1 | package org.greenstone.client;
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2 |
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3 | import com.google.gwt.core.client.EntryPoint;
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4 | import com.google.gwt.core.client.GWT;
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5 | import com.google.gwt.core.client.JsArray;
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6 | import com.google.gwt.user.client.DOM;
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7 | import com.google.gwt.user.client.Element;
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8 | import com.google.gwt.user.client.Window;
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9 | import com.google.gwt.event.dom.client.ChangeEvent;
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10 | import com.google.gwt.event.dom.client.ChangeHandler;
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11 | import com.google.gwt.event.dom.client.ClickEvent;
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12 | import com.google.gwt.event.dom.client.ClickHandler;
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13 | import com.google.gwt.event.dom.client.MouseMoveEvent;
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14 | import com.google.gwt.event.dom.client.MouseMoveHandler;
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15 | import com.google.gwt.event.dom.client.MouseOutEvent;
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16 | import com.google.gwt.event.dom.client.MouseOutHandler;
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17 | import com.google.gwt.event.dom.client.MouseOverEvent;
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18 | import com.google.gwt.event.dom.client.MouseOverHandler;
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19 | import com.google.gwt.event.dom.client.MouseUpEvent;
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20 | import com.google.gwt.event.dom.client.MouseUpHandler;
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21 | import com.google.gwt.event.logical.shared.ValueChangeEvent;
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22 | import com.google.gwt.event.logical.shared.ValueChangeHandler;
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23 | import com.google.gwt.event.shared.HandlerRegistration;
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24 | import com.google.gwt.http.client.Request;
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25 | import com.google.gwt.http.client.Response;
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26 | import com.google.gwt.http.client.RequestBuilder;
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27 | import com.google.gwt.http.client.RequestCallback;
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28 | import com.google.gwt.maps.client.InfoWindow;
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29 | import com.google.gwt.maps.client.InfoWindowContent;
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30 | import com.google.gwt.maps.client.MapWidget;
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31 | import com.google.gwt.maps.client.control.ControlAnchor;
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32 | import com.google.gwt.maps.client.control.ControlPosition;
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33 | import com.google.gwt.maps.client.control.LargeMapControl;
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34 | import com.google.gwt.maps.client.control.MapTypeControl;
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35 | import com.google.gwt.maps.client.control.Control.CustomControl;
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36 | import com.google.gwt.maps.client.event.MapClickHandler;
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37 | import com.google.gwt.maps.client.event.MapMoveHandler;
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38 | import com.google.gwt.maps.client.event.PolygonClickHandler;
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39 | import com.google.gwt.maps.client.geocode.Geocoder;
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40 | import com.google.gwt.maps.client.geocode.LatLngCallback;
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41 | import com.google.gwt.maps.client.geom.LatLng;
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42 | import com.google.gwt.maps.client.overlay.Marker;
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43 | import com.google.gwt.maps.client.overlay.MarkerOptions;
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44 | import com.google.gwt.maps.client.overlay.Polygon;
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45 | import com.google.gwt.maps.client.overlay.Polyline;
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46 | import com.google.gwt.maps.client.overlay.PolylineOptions;
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47 | import com.google.gwt.user.client.Timer;
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48 | import com.google.gwt.user.client.rpc.AsyncCallback;
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49 | import com.google.gwt.user.client.rpc.ServiceDefTarget;
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50 | import com.google.gwt.user.client.ui.Button;
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51 | import com.google.gwt.user.client.ui.CheckBox;
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52 | import com.google.gwt.user.client.ui.FlowPanel;
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53 | import com.google.gwt.user.client.ui.FormPanel;
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54 | import com.google.gwt.user.client.ui.Frame;
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55 | import com.google.gwt.user.client.ui.HTML;
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56 | import com.google.gwt.user.client.ui.Hidden;
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57 | import com.google.gwt.user.client.ui.HorizontalPanel;
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58 | import com.google.gwt.user.client.ui.Label;
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59 | import com.google.gwt.user.client.ui.ListBox;
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60 | import com.google.gwt.user.client.ui.RootPanel;
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61 | import com.google.gwt.user.client.ui.VerticalPanel;
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62 | import com.google.gwt.user.client.ui.Widget;
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63 | import com.google.gwt.dom.client.FormElement;
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64 | import com.google.gwt.dom.client.InputElement;
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65 | import com.google.gwt.dom.client.NativeEvent;
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66 | import com.google.gwt.dom.client.NodeCollection;
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67 | import com.google.gwt.dom.client.NodeList;
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68 | import com.google.gwt.dom.client.OptionElement;
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69 | import com.google.gwt.dom.client.SelectElement;
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70 | import com.google.gwt.dom.client.TextAreaElement;
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71 |
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72 | import java.util.ArrayList;
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73 | import java.util.HashMap;
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74 |
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75 | public class GS3MapLibrary implements EntryPoint
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76 | {
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77 | protected MapWidget _map;
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78 |
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79 | protected VerticalPanel _containerPanel = new VerticalPanel();
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80 | protected VerticalPanel _scoreAdjustPanel = new VerticalPanel();
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81 | protected VerticalPanel _headerDiv = new VerticalPanel();
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82 | protected HorizontalPanel _viewPanel = new HorizontalPanel();
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83 |
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84 | protected Frame _gsTempFrame = new Frame();
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85 |
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86 | protected StatusBar _statusBar = new StatusBar();
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87 |
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88 | protected HTML _gsPanel = new HTML();
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89 | protected HTML _columnViewBox = new HTML();
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90 |
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91 | protected HorizontalPanel _contentDiv = new HorizontalPanel();
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92 | protected HorizontalPanel _footerDiv = new HorizontalPanel();
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93 |
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94 | protected Menu _currentDocumentMenu = null;
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95 | protected Menu _lastCreatedPlaceMenu = null;
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96 |
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97 | protected FlowPanel _radioPanel = new FlowPanel();
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98 | protected FlowPanel _checkBoxPanel = new FlowPanel();
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99 |
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100 | protected Label _loadingBox = new Label("");
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101 | protected Label _mapLoadingLabel = new Label("Loading map content");
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102 |
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103 | protected ListBox _textViewSelector = new ListBox();
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104 |
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105 | protected Button _geoQueryButton = new Button("Specify Search Square");
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106 |
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107 | protected Timer _loadingTimer = null;
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108 | protected Timer _resizeCheckTimer = null;
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109 | protected Timer _scrollCheckTimer = null;
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110 | protected Timer _placeMouseOverTimer = null;
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111 | protected Timer _documentMouseOverTimer = null;
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112 | protected Timer _menuOverTimer = null;
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113 | protected Timer _menuOutTimer = null;
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114 |
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115 | protected Geocoder _geocoder = null;
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116 |
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117 | protected static FindPlaceServiceAsync _findPlaceService = GWT.create(FindPlaceService.class);
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118 |
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119 | protected ArrayList<Place> _currentPlaces = null;
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120 | protected ArrayList<String> _highlightedPlaces = new ArrayList<String>();
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121 | protected ArrayList<String> _highlightedTextPlaces = new ArrayList<String>();
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122 | protected ArrayList<com.google.gwt.dom.client.Element> _mainLinks = new ArrayList<com.google.gwt.dom.client.Element>();
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123 | protected ArrayList<com.google.gwt.dom.client.Element> _mainScripts = new ArrayList<com.google.gwt.dom.client.Element>();
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124 | protected ArrayList<Boolean> _visiblePlaceSets = new ArrayList<Boolean>();
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125 | protected ArrayList<LatLng> _areaPoints = new ArrayList<LatLng>();
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126 |
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127 | protected ArrayList<ArrayList<Place>> _currentMultiPlaces = null;
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128 | protected ArrayList<String> _removedPlaces = new ArrayList<String>();
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129 |
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130 | protected HashMap<String, Place> _chosenPlaces = new HashMap<String, Place>();
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131 |
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132 | protected HandlerRegistration _fishEyeHandlerReg = null;
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133 | protected HandlerRegistration _columnViewHandlerReg = null;
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134 |
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135 | protected MapMoveHandler _mapMoveHandler = null;
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136 | protected MapClickHandler _spatialSearchClickHandler = null;
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137 | protected SpatialSearchControls _searchControls = null;
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138 |
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139 | protected final int _MAXVISIBLEMARKERS = 500;
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140 | protected int _currentZoomLevel = 2;
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141 | protected int _loadingCount = 0;
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142 | protected int _currentBrowserPixelWidth = 0;
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143 | protected int _currentBrowserPixelHeight = 0;
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144 | protected int _currentScrollTopValue = 0;
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145 |
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146 | protected boolean _updatingMap = false;
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147 | protected boolean _gazetteerLoaded = false;
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148 | protected boolean _redraw = false;
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149 | protected boolean _resize = false;
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150 | protected boolean _mapVisible = false;
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151 | protected boolean _gsVisible = true;
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152 | protected boolean _frameLoaded = false;
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153 | protected boolean _initialised = false;
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154 | protected boolean _showAllPlaces = false;
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155 | protected boolean _mouseEventPause = false;
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156 | protected boolean _mapMoveHandlerOn = true;
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157 | protected boolean _searchResultsPage = false;
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158 |
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159 | protected String _selectedPlaceName = "";
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160 | protected String _currentCollection = "";
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161 | protected String _currentURL = "";
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162 | protected final String _GREENSTONEURL = "http://localhost:8080/greenstone3";
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163 | protected final String _GREENSTONEDEVURL = _GREENSTONEURL + "/dev";
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164 |
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165 | /**
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166 | * GWT module entry point
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167 | */
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168 | public void onModuleLoad()
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169 | {
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170 | //Get a Google geocoder to help find places that the Gazetteer does not know the coordinates for
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171 | _geocoder = new Geocoder();
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172 |
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173 | ((ServiceDefTarget) _findPlaceService).setServiceEntryPoint("http://localhost:8080/GS3MapLibrary/gs3maplibrary/findPlace");
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174 |
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175 | //Setup native Javascript functions
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176 | setUpLoadPageFromUrl(this);
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177 | setUpLoadPageFromForm(this);
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178 | setUpLoadSpatialSearchPage(this);
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179 |
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180 | //Setup the map
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181 | setUpMap();
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182 |
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183 | //Make the Firebug console so that browsers that don't have it don't break
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184 | setUpConsole();
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185 |
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186 | //Set up the invisible frame that temporarily stores pages as they load
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187 | setUpTempFrame();
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188 |
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189 | //Set up the list box that stores the text view options
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190 | setUpTextViewSelector();
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191 |
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192 | //Load the Greenstone home page
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193 | loadPageFromUrl(_GREENSTONEDEVURL);
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194 | }
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195 |
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196 | /**
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197 | * Sets up the invisible frame that temporarily stores pages as they load
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198 | */
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199 | public void setUpTempFrame()
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200 | {
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201 | //Get the frame for the web page
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202 | _gsTempFrame.getElement().setId("tempFrame");
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203 |
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204 | //Make the frame have no size
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205 | _gsTempFrame.setSize("0px", "0px");
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206 |
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207 | //Make the frame have no border
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208 | _gsTempFrame.getElement().getStyle().setProperty("border", "0px");
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209 |
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210 | //Add the frame to the main frame
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211 | RootPanel.get("mainFrame").add(_gsTempFrame);
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212 | }
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213 |
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214 | /**
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215 | * Adds the three options to the text view selector
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216 | */
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217 | public void setUpTextViewSelector()
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218 | {
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219 | _textViewSelector.addItem("Normal");
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220 | _textViewSelector.addItem("Fisheye");
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221 | _textViewSelector.addItem("Column");
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222 | }
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223 |
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224 | /**
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225 | * Loads the page at the given URL
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226 | * @param url is the url to load
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227 | */
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228 | public void loadPageFromUrl(final String url)
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229 | {
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230 | //Make sure a url was given
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231 | if(url == null)
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232 | {
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233 | return;
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234 | }
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235 |
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236 | //Save the given url for later use
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237 | _currentURL = url;
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238 |
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239 | //Set Greenstone to be visible
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240 | _gsVisible = true;
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241 |
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242 | //Clear the map
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243 | _map.clearOverlays();
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244 |
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245 | updateHandlers();
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246 | clearStatusUpdates();
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247 |
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248 | //Check if the page being loaded is a search page
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249 | if (url.contains("s1.query="))
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250 | {
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251 | //Load the search page
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252 | loadSearchPageFromUrl(url);
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253 | }
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254 | else
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255 | {
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256 | //This page is not a search page
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257 | _searchResultsPage = false;
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258 | }
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259 |
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260 | //If the url contains a collection name
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261 | if (url.contains("&c="))
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262 | {
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263 | //logToConsole("url contains collection");
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264 | //Store the collection name
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265 | _currentCollection = getCollectionFromURL(url);
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266 | }
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267 |
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268 | //Add the "Page loading" update to the status bar"
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269 | _statusBar.addUpdate("Loading new page", "LoadPage");
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270 |
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271 | //Start loading the given url
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272 | _gsTempFrame.setUrl(url);
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273 |
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274 | //Create and start the timer that checks if the page is loaded
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275 | Timer _checkLoadedTimer = getLoadedTimer();
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276 | _checkLoadedTimer.scheduleRepeating(500);
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277 | }
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278 |
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279 | public void loadPageWithoutUrl()
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280 | {
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281 | //Set the current url to be empty
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282 | _currentURL = "";
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283 |
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284 | //Set Greenstone to be visible
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285 | _gsVisible = true;
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286 |
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287 | //Clear the map
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288 | _map.clearOverlays();
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289 |
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290 | updateHandlers();
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291 | clearStatusUpdates();
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292 |
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293 | //Add the "Page loading" update to the status bar"
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294 | _statusBar.addUpdate("Loading new page", "LoadPage");
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295 |
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296 | //Create and start the timer that checks if the page is loaded
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297 | Timer _checkLoadedTimer = getLoadedTimer();
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298 | _checkLoadedTimer.scheduleRepeating(500);
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299 | }
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300 |
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301 | /**
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302 | * Clears several of the status updates that should not persist across pages
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303 | */
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304 | public void clearStatusUpdates()
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305 | {
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306 | _statusBar.removeUpdate("DisPlaces");
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307 | _statusBar.removeUpdate("SearchLoad");
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308 | _statusBar.removeUpdate("TextSearch");
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309 | }
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310 |
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311 | /**
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312 | * Gets a collection name from a given url
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313 | * @param url the url to search for a collection in
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314 | * @return the collection name
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315 | */
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316 | public String getCollectionFromURL(String url)
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317 | {
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318 | int start = (url.indexOf("&c=") + 3);
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319 | int end = -1;
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320 | if (url.indexOf("&", (url.indexOf("&c=") + 1)) == -1)
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321 | {
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322 | end = url.length();
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323 | }
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324 | else
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325 | {
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326 | end = url.indexOf("&", (url.indexOf("&c=") + 1));
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327 | }
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328 | return url.substring(start, end);
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329 | }
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330 |
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331 | /**
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332 | * Sets up various handlers for a new page
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333 | */
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334 | public void updateHandlers()
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335 | {
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336 | if (_fishEyeHandlerReg != null)
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337 | {
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338 | _fishEyeHandlerReg.removeHandler();
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339 | _fishEyeHandlerReg = null;
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340 | }
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341 |
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342 | if (!_mapMoveHandlerOn)
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343 | {
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344 | _mapMoveHandlerOn = true;
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345 | _map.addMapMoveHandler(_mapMoveHandler);
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346 | }
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347 |
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348 | if (_searchControls != null)
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349 | {
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350 | _map.removeControl(_searchControls);
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351 | _searchControls = null;
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352 | }
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353 |
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354 | if (_spatialSearchClickHandler != null)
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355 | {
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356 | _map.removeMapClickHandler(_spatialSearchClickHandler);
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357 | _spatialSearchClickHandler = null;
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358 | }
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359 | }
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360 |
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361 | /**
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362 | * Gets the timer than checks for when the pages is loaded and then loads the page
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363 | * @param url is the url being loaded
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364 | * @return the timer
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365 | */
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366 | public Timer getLoadedTimer()
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367 | {
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368 | return new Timer()
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369 | {
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370 | int timercount = 0;
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371 |
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372 | public void run()
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373 | {
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374 | //Check to see if we should timeout yet
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375 | if (timercount++ > 50)
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376 | {
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377 | logToConsole("Failed to load page after 50 attempts");
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378 | this.cancel();
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379 | return;
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380 | }
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381 |
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382 | //Check to see if the page is loaded
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383 | if (tempFrameGetElementById("banner") != null && tempFrameGetElementById("content") != null && tempFrameGetElementById("footer") != null)
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384 | {
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385 | this.cancel();
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386 | showLoadedPage();
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387 | }
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388 | }
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389 | };
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390 | }
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391 |
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392 | /**
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393 | * Moves the loaded page from the temporary frame to the main page
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394 | */
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395 | private void showLoadedPage()
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396 | {
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397 | //If ATLAS has not yet been initialised then do so
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398 | if (!_initialised)
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399 | {
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400 | //Fix webpage elements so that they point to the correct address
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401 | fixForms();
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402 | fixAnchors();
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403 | fixImages();
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404 |
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405 | initialiseATLAS();
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406 |
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407 | //Add <link> and <script> elements to <head>
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408 | changeCSSLinksAndScripts();
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409 | }
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410 | else
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411 | {
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412 | //Add <link> and <script> elements to <head>
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413 | changeCSSLinksAndScripts();
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414 |
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415 | //Fix webpage elements so that they point to the correct address
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416 | fixForms();
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417 | fixAnchors();
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418 | fixImages();
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419 |
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420 | //Swap the current banner with the new banner
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421 | Element oldBanner = getElementById("banner");
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422 | Element newBanner = tempFrameGetElementById("banner");
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423 | oldBanner.getParentElement().removeChild(oldBanner);
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424 | _headerDiv.insert(HTML.wrap(newBanner), 0);
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425 |
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426 | //If the content div was in column view mode then reset it
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427 | if (_contentDiv.getWidget(0).getElement().getId().equals("columnBox"))
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428 | {
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429 | _contentDiv.clear();
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430 | _contentDiv.add(_gsPanel);
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431 | _contentDiv.add(_map);
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432 | }
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433 |
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434 | //Swap the current Greenstone content with the new Greenstone content
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435 | _gsPanel.setHTML(HTML.wrap(tempFrameGetElementById("content")).getHTML());
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436 | }
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437 |
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438 | //If the page is a collection home page then add spatial search to the list of options
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439 | if (_currentURL.contains("sa=about"))
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440 | {
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441 | addSpatialSearchLinkToAboutPage();
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442 | }
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443 |
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444 | //The page has now finished being updated
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445 | _statusBar.removeUpdate("LoadPage");
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446 |
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447 | //Do an initial resize of the page elements
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448 | Timer tempResizeTimer = new Timer()
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449 | {
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450 | public void run()
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451 | {
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452 | resizeElements();
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453 | }
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454 | };
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455 | tempResizeTimer.schedule(500);
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456 |
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457 | //Check the document's text for places
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458 | checkDocText();
|
---|
459 | }
|
---|
460 |
|
---|
461 | /**
|
---|
462 | * Add a link to spatial searching on the current page
|
---|
463 | */
|
---|
464 | private void addSpatialSearchLinkToAboutPage()
|
---|
465 | {
|
---|
466 | //Get the list to add the link to
|
---|
467 | Element list = getElementById("servicelist");
|
---|
468 |
|
---|
469 | //If the list does not exist then stop
|
---|
470 | if(list == null)
|
---|
471 | {
|
---|
472 | return;
|
---|
473 | }
|
---|
474 |
|
---|
475 | //Create the div for the link and explanation
|
---|
476 | Element linkLabel = DOM.createDiv();
|
---|
477 | list.appendChild(linkLabel);
|
---|
478 | linkLabel.setClassName("paramLabel");
|
---|
479 |
|
---|
480 | //Create the link and append it to the div
|
---|
481 | Element spatialLink = DOM.createAnchor();
|
---|
482 | linkLabel.appendChild(spatialLink);
|
---|
483 | spatialLink.setAttribute("href", "javascript:loadSpatialSearchPageJS()");
|
---|
484 | spatialLink.setInnerText("Spatial Search");
|
---|
485 |
|
---|
486 | //Create the explanation div and add to the parent div
|
---|
487 | Element explainationDiv = DOM.createDiv();
|
---|
488 | list.appendChild(explainationDiv);
|
---|
489 | explainationDiv.setClassName("paramLabel");
|
---|
490 | explainationDiv.setInnerText("Search for documents mentioning places from a certain area");
|
---|
491 |
|
---|
492 | Element br = DOM.createElement("br");
|
---|
493 | list.appendChild(br);
|
---|
494 | br.setClassName("clear");
|
---|
495 | }
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Initialise the webpage elements for ATLAS
|
---|
499 | */
|
---|
500 | public void initialiseATLAS()
|
---|
501 | {
|
---|
502 | //Get the head section of the HTML page
|
---|
503 | Element head = getDocumentHead();
|
---|
504 |
|
---|
505 | //Get all of the <link> elements from the HTML header
|
---|
506 | logToConsole("Saving links");
|
---|
507 | NodeList<com.google.gwt.dom.client.Element> linksToSave = head.getElementsByTagName("link");
|
---|
508 |
|
---|
509 | for(int i = 0; i < linksToSave.getLength(); i++)
|
---|
510 | {
|
---|
511 | logToConsole("Link save = " + linksToSave.getItem(i).getAttribute("href"));
|
---|
512 | _mainLinks.add(linksToSave.getItem(i));
|
---|
513 | }
|
---|
514 |
|
---|
515 | //Get all of the <script> elements from the HTML header
|
---|
516 | logToConsole("Saving scripts");
|
---|
517 | NodeList<com.google.gwt.dom.client.Element> scriptsToSave = head.getElementsByTagName("script");
|
---|
518 |
|
---|
519 | for(int i = 0; i < scriptsToSave.getLength(); i++)
|
---|
520 | {
|
---|
521 | logToConsole("Script save = " + scriptsToSave.getItem(i).getAttribute("src"));
|
---|
522 | _mainScripts.add(scriptsToSave.getItem(i));
|
---|
523 | }
|
---|
524 |
|
---|
525 | //Reload the page when the view type is changed
|
---|
526 | _textViewSelector.addChangeHandler(new ChangeHandler()
|
---|
527 | {
|
---|
528 | public void onChange(ChangeEvent event)
|
---|
529 | {
|
---|
530 | if (getDocTextElement() != null)
|
---|
531 | {
|
---|
532 | loadPageFromUrl(_gsTempFrame.getUrl());
|
---|
533 | }
|
---|
534 | }
|
---|
535 | });
|
---|
536 |
|
---|
537 | //Set up content
|
---|
538 | _containerPanel.add(_headerDiv);
|
---|
539 | _containerPanel.add(_statusBar.getStatusBarDiv());
|
---|
540 | _containerPanel.add(_contentDiv);
|
---|
541 | _containerPanel.add(_footerDiv);
|
---|
542 |
|
---|
543 | _viewPanel.add(new Label("View: "));
|
---|
544 | _viewPanel.add(_textViewSelector);
|
---|
545 | _viewPanel.setVisible(false);
|
---|
546 |
|
---|
547 | // Add header
|
---|
548 | _headerDiv.add(HTML.wrap(tempFrameGetElementById("banner")));
|
---|
549 | _headerDiv.add(_viewPanel);
|
---|
550 | _headerDiv.setWidth("100%");
|
---|
551 | _headerDiv.getElement().setId("GSHeader");
|
---|
552 |
|
---|
553 | _gsPanel.getElement().getStyle().setProperty("overflow", "auto");
|
---|
554 |
|
---|
555 | _contentDiv.setWidth("100%");
|
---|
556 | _contentDiv.getElement().getStyle().setProperty("backgroundColor", "#FFFFFF");
|
---|
557 | _contentDiv.getElement().setId("GSContent");
|
---|
558 |
|
---|
559 | // Add content
|
---|
560 | Element contentElement = tempFrameGetElementById("content");
|
---|
561 | _gsPanel = HTML.wrap(contentElement);
|
---|
562 | _contentDiv.add(_gsPanel);
|
---|
563 | _contentDiv.add(_map);
|
---|
564 |
|
---|
565 | // Add footer
|
---|
566 | _footerDiv.add(HTML.wrap(tempFrameGetElementById("footer")));
|
---|
567 | _footerDiv.setWidth("100%");
|
---|
568 | _footerDiv.getElement().setId("GSFooter");
|
---|
569 |
|
---|
570 | RootPanel.get("mainFrame").add(_containerPanel);
|
---|
571 |
|
---|
572 | setUpBrowserResizeCheckTimer();
|
---|
573 |
|
---|
574 | // Make the call to check if the Gazetteer is loaded
|
---|
575 | _findPlaceService.isGazetteerLoaded(setUpCheckGazetteerCallback());
|
---|
576 | _initialised = true;
|
---|
577 | }
|
---|
578 |
|
---|
579 | /**
|
---|
580 | * Loads a Greenstone search page from a url
|
---|
581 | * @param url is the url to load
|
---|
582 | */
|
---|
583 | public void loadSearchPageFromUrl(String url)
|
---|
584 | {
|
---|
585 | _searchResultsPage = true;
|
---|
586 |
|
---|
587 | //Set up the request to get returned documents from the xml
|
---|
588 | RequestBuilder xmlRequest = new RequestBuilder(RequestBuilder.GET, url);
|
---|
589 | try
|
---|
590 | {
|
---|
591 | //Make the request
|
---|
592 | xmlRequest.sendRequest(null, new RequestCallback()
|
---|
593 | {
|
---|
594 | public void onError(Request request, Throwable exception)
|
---|
595 | {
|
---|
596 | logToConsole("xml Request Error -> " + exception.getMessage());
|
---|
597 | }
|
---|
598 |
|
---|
599 | public void onResponseReceived(Request request, Response response)
|
---|
600 | {
|
---|
601 | processResponse(response);
|
---|
602 | }
|
---|
603 | });
|
---|
604 | }
|
---|
605 | catch (Exception ex)
|
---|
606 | {
|
---|
607 | ex.printStackTrace();
|
---|
608 | }
|
---|
609 | }
|
---|
610 |
|
---|
611 | public void processResponse(Response response)
|
---|
612 | {
|
---|
613 | //If the status code is not the page loaded code then stop
|
---|
614 | if(response.getStatusCode() != 200)
|
---|
615 | {
|
---|
616 | return;
|
---|
617 | }
|
---|
618 |
|
---|
619 | //Add the status update that indicates that the system is searching for places in the result document
|
---|
620 | _statusBar.addUpdate("Finding places in result documents", "SearchLoad");
|
---|
621 |
|
---|
622 | //Get the response text
|
---|
623 | String text = response.getText();
|
---|
624 |
|
---|
625 | //Get the hash codes for the documents
|
---|
626 | ArrayList<String> docURLs = getDocURLsFromResponse(text);
|
---|
627 |
|
---|
628 | TemporaryFrame.setCurrentFrameIndex(getNumberOfFrames() - 1);
|
---|
629 | //Load each search result in a temporary frame
|
---|
630 | final ArrayList<TemporaryFrame> tempFrames = new ArrayList<TemporaryFrame>();
|
---|
631 | for (int j = 0; j < docURLs.size(); j++)
|
---|
632 | {
|
---|
633 | //Create the url of the search result
|
---|
634 | String url = _GREENSTONEURL + "/" + docURLs.get(j);
|
---|
635 |
|
---|
636 | //Create the temporary frame
|
---|
637 | TemporaryFrame currentFrame = new TemporaryFrame(url);
|
---|
638 |
|
---|
639 | //Add the frame to the footer of the page
|
---|
640 | _footerDiv.add(currentFrame.getFrame());
|
---|
641 |
|
---|
642 | //Begin loading the page
|
---|
643 | currentFrame.loadPage();
|
---|
644 |
|
---|
645 | //Store the frame
|
---|
646 | tempFrames.add(currentFrame);
|
---|
647 | }
|
---|
648 |
|
---|
649 | //Create a timer that periodically checks if all the frames have finished loading
|
---|
650 | Timer docsReadyTimer = new Timer()
|
---|
651 | {
|
---|
652 | public void run()
|
---|
653 | {
|
---|
654 | //Check to see if all of the frames have finished loading
|
---|
655 | boolean allDone = true;
|
---|
656 | for (int i = 0; i < tempFrames.size(); i++)
|
---|
657 | {
|
---|
658 | if (!tempFrames.get(i).isFinishedLoading())
|
---|
659 | {
|
---|
660 | logToConsole(i + " has NOT finished loading");
|
---|
661 | allDone = false;
|
---|
662 | }
|
---|
663 | else
|
---|
664 | {
|
---|
665 | logToConsole(i + " has finished loading");
|
---|
666 | }
|
---|
667 | }
|
---|
668 |
|
---|
669 | //If all the frames have finished loading
|
---|
670 | if (allDone && _gazetteerLoaded)
|
---|
671 | {
|
---|
672 | this.cancel();
|
---|
673 |
|
---|
674 | //Get all of the texts from the frames
|
---|
675 | ArrayList<String> texts = new ArrayList<String>();
|
---|
676 | while (tempFrames.size() > 0)
|
---|
677 | {
|
---|
678 | texts.add(tempFrames.get(0).getText());
|
---|
679 | tempFrames.get(0).removeFromParent();
|
---|
680 | tempFrames.remove(0);
|
---|
681 | }
|
---|
682 |
|
---|
683 | findPlacesInTexts(texts);
|
---|
684 | }
|
---|
685 | else
|
---|
686 | {
|
---|
687 | logToConsole("Still getting doc text...");
|
---|
688 | }
|
---|
689 | }
|
---|
690 | };
|
---|
691 | docsReadyTimer.scheduleRepeating(2000);
|
---|
692 | }
|
---|
693 |
|
---|
694 | /**
|
---|
695 | * Makes a call to the server to look through multiple places for places
|
---|
696 | * @param texts is a list of texts from different documents
|
---|
697 | */
|
---|
698 | private void findPlacesInTexts(ArrayList<String> texts)
|
---|
699 | {
|
---|
700 | logToConsole("Finished gettings doc text and gazetteer loaded!");
|
---|
701 |
|
---|
702 | //Make the call to the server that finds the places
|
---|
703 | _findPlaceService.findPlacesInMultipleTexts(texts, setUpFindMultiplePlacesCallback());
|
---|
704 |
|
---|
705 | //Set up the map for viewing multiple places
|
---|
706 | _map.clearOverlays();
|
---|
707 | _mapVisible = true;
|
---|
708 | _map.setVisible(true);
|
---|
709 | _contentDiv.add(_mapLoadingLabel);
|
---|
710 |
|
---|
711 | _mapLoadingLabel.getElement().getStyle().setProperty("left", ((int) (_headerDiv.getOffsetWidth() * (3.0 / 4.0) - _mapLoadingLabel.getOffsetWidth() / 2)) + "px");
|
---|
712 | _mapLoadingLabel.getElement().getStyle().setProperty("top", (_headerDiv.getOffsetHeight() + _contentDiv.getOffsetHeight() / 3) + "px");
|
---|
713 |
|
---|
714 | _map.getElement().getStyle().setProperty("left", (Window.getClientWidth() / 2 + 8) + "px");
|
---|
715 | _map.getElement().getStyle().setProperty("top", (_headerDiv.getOffsetHeight() + 28 + Window.getScrollTop()) + "px");
|
---|
716 |
|
---|
717 | _resize = true;
|
---|
718 | }
|
---|
719 |
|
---|
720 | /**
|
---|
721 | * Takes Greenstone search response xml text and extracts the document hashes from it
|
---|
722 | * @param text is the xml to use
|
---|
723 | * @return a list of document hashes
|
---|
724 | */
|
---|
725 | private ArrayList<String> getDocURLsFromResponse(String text)
|
---|
726 | {
|
---|
727 | ArrayList<String> docURLs = new ArrayList<String>();
|
---|
728 |
|
---|
729 | int index = text.indexOf("<ul id=\"results\"");
|
---|
730 | int endIndex = text.indexOf("</ul>", index);
|
---|
731 | while ((index = text.indexOf("<a href=\"", index)) != -1 && index < endIndex)
|
---|
732 | {
|
---|
733 | int urlStart = index + "<a href=\"".length();
|
---|
734 | int urlEnd = text.indexOf("\"", urlStart + 1);
|
---|
735 |
|
---|
736 | docURLs.add(text.substring(urlStart, urlEnd));
|
---|
737 |
|
---|
738 | index++;
|
---|
739 | }
|
---|
740 |
|
---|
741 | return docURLs;
|
---|
742 | }
|
---|
743 |
|
---|
744 | /**
|
---|
745 | * Creates and shows a spatial search page
|
---|
746 | */
|
---|
747 | public void loadSpatialSearchPage()
|
---|
748 | {
|
---|
749 | //Clear the Greenstone panel
|
---|
750 | _gsPanel.setHTML((new HTML()).getHTML());
|
---|
751 |
|
---|
752 | //Turn off the map move handler if it is on
|
---|
753 | if (_mapMoveHandlerOn)
|
---|
754 | {
|
---|
755 | _mapMoveHandlerOn = false;
|
---|
756 | _map.removeMapMoveHandler(_mapMoveHandler);
|
---|
757 | }
|
---|
758 |
|
---|
759 | //Set up the page
|
---|
760 | _map.clearOverlays();
|
---|
761 | _mapVisible = true;
|
---|
762 | _gsVisible = false;
|
---|
763 | _map.setVisible(true);
|
---|
764 |
|
---|
765 | //Create a new list that will store the points that the user clicks on
|
---|
766 | _areaPoints = new ArrayList<LatLng>();
|
---|
767 |
|
---|
768 | //If the map does not currently have a spatial search handler
|
---|
769 | if (_spatialSearchClickHandler == null)
|
---|
770 | {
|
---|
771 | //Create a new map spatial search handler
|
---|
772 | _spatialSearchClickHandler = new MapClickHandler()
|
---|
773 | {
|
---|
774 | public void onClick(MapClickEvent event)
|
---|
775 | {
|
---|
776 | //Take the point that has been clicked and add it to the list
|
---|
777 | LatLng point = event.getLatLng();
|
---|
778 | _areaPoints.add(point);
|
---|
779 |
|
---|
780 | //Create a marker at the clicked point
|
---|
781 | MarkerOptions mo = MarkerOptions.newInstance();
|
---|
782 | mo.setClickable(false);
|
---|
783 | Marker marker = new Marker(point, mo);
|
---|
784 | _map.addOverlay(marker);
|
---|
785 |
|
---|
786 | //If this is not the first point then add a line between this and the previous point
|
---|
787 | logToConsole("Points array size = " + _areaPoints.size());
|
---|
788 | if (_areaPoints.size() > 1)
|
---|
789 | {
|
---|
790 | PolylineOptions po = PolylineOptions.newInstance();
|
---|
791 | po.setClickable(false);
|
---|
792 |
|
---|
793 | Polyline line = new Polyline(new LatLng[] { point, _areaPoints.get(_areaPoints.size() - 2) }, "#FFFFFF", 3, 1, po);
|
---|
794 | logToConsole("Adding line");
|
---|
795 | _map.addOverlay(line);
|
---|
796 | }
|
---|
797 | }
|
---|
798 | };
|
---|
799 | }
|
---|
800 | _map.addMapClickHandler(_spatialSearchClickHandler);
|
---|
801 |
|
---|
802 | //If the map does not have search controls then add them
|
---|
803 | if (_searchControls == null)
|
---|
804 | {
|
---|
805 | _searchControls = new SpatialSearchControls(new ControlPosition(ControlAnchor.BOTTOM_RIGHT, 0, 0));
|
---|
806 | }
|
---|
807 | _map.addControl(_searchControls);
|
---|
808 |
|
---|
809 | _resize = true;
|
---|
810 | }
|
---|
811 |
|
---|
812 | /**
|
---|
813 | * Takes an HTML form element and loads a page using its content
|
---|
814 | * @param form is the form to use
|
---|
815 | */
|
---|
816 | public void loadPageFromForm(Element form)
|
---|
817 | {
|
---|
818 | //Get the top level url
|
---|
819 | StringBuilder url = new StringBuilder(_GREENSTONEDEVURL);
|
---|
820 |
|
---|
821 | //Get the elements from the form
|
---|
822 | FormElement formElement = FormElement.as(form);
|
---|
823 | NodeCollection<com.google.gwt.dom.client.Element> elements = formElement.getElements();
|
---|
824 |
|
---|
825 | //Go through each element
|
---|
826 | for (int i = 0; i < elements.getLength(); i++)
|
---|
827 | {
|
---|
828 | Element currentItem = (Element) elements.getItem(i);
|
---|
829 |
|
---|
830 | //If the element is an input element
|
---|
831 | if (currentItem.getTagName().equals("INPUT"))
|
---|
832 | {
|
---|
833 | InputElement input = InputElement.as(currentItem);
|
---|
834 |
|
---|
835 | //If the element is a text or hidden element
|
---|
836 | if (input.getType().equals("text") || input.getType().equals("hidden"))
|
---|
837 | {
|
---|
838 | //Append the name and value of this element to the url
|
---|
839 | url.append("&" + input.getName() + "=" + input.getValue());
|
---|
840 | }
|
---|
841 | //If the element is a radio or checkbox element
|
---|
842 | else if (input.getType().equals("radio") || input.getType().equals("checkbox"))
|
---|
843 | {
|
---|
844 | //If the element has been checked
|
---|
845 | if (input.isChecked())
|
---|
846 | {
|
---|
847 | //Append the name and value of this element to the url
|
---|
848 | url.append("&" + input.getName() + "=" + input.getAttribute("value"));
|
---|
849 | }
|
---|
850 | }
|
---|
851 | }
|
---|
852 | //If the element is a select element (drop down box)
|
---|
853 | else if (currentItem.getTagName().equals("SELECT"))
|
---|
854 | {
|
---|
855 | SelectElement select = SelectElement.as(currentItem);
|
---|
856 | NodeList<OptionElement> options = select.getOptions();
|
---|
857 |
|
---|
858 | //Append the name of the element and the value of the currently selected index to the url
|
---|
859 | url.append("&" + select.getName() + "=" + options.getItem(select.getSelectedIndex()).getAttribute("value"));
|
---|
860 | }
|
---|
861 | //If the element is a text area element
|
---|
862 | else if (currentItem.getTagName().equals("TEXTAREA"))
|
---|
863 | {
|
---|
864 | TextAreaElement text = TextAreaElement.as(currentItem);
|
---|
865 |
|
---|
866 | //Append the name and value of the text area to the url
|
---|
867 | url.append("&" + text.getName() + "=" + text.getValue());
|
---|
868 | }
|
---|
869 | }
|
---|
870 | //Replace the first & with a ?
|
---|
871 | url.replace(url.indexOf("&"), url.indexOf("&") + 1, "?");
|
---|
872 |
|
---|
873 | //Load the page with the created url
|
---|
874 | loadPageFromUrl(url.toString());
|
---|
875 | }
|
---|
876 |
|
---|
877 | /**
|
---|
878 | * Remove old CSS links from the page and add new ones, the href attributes are also corrected
|
---|
879 | */
|
---|
880 | public void changeCSSLinksAndScripts()
|
---|
881 | {
|
---|
882 | //Get the head section of the HTML page
|
---|
883 | Element head = getDocumentHead();
|
---|
884 |
|
---|
885 | //Get all of the <link> elements from the HTML header
|
---|
886 | NodeList<com.google.gwt.dom.client.Element> currentLinks = head.getElementsByTagName("link");
|
---|
887 |
|
---|
888 | //Get all of the <script> elements from the HTML header
|
---|
889 | NodeList<com.google.gwt.dom.client.Element> currentScripts = head.getElementsByTagName("script");
|
---|
890 |
|
---|
891 | //Remove all of the old links on the page
|
---|
892 | for(int i = 0; i < currentLinks.getLength(); i++)
|
---|
893 | {
|
---|
894 | currentLinks.getItem(i).getParentElement().removeChild(currentLinks.getItem(i));
|
---|
895 | }
|
---|
896 |
|
---|
897 | //Remove all of the old scripts on the page
|
---|
898 | for(int i = 0; i < currentScripts.getLength(); i++)
|
---|
899 | {
|
---|
900 | currentScripts.getItem(i).getParentElement().removeChild(currentScripts.getItem(i));
|
---|
901 | }
|
---|
902 |
|
---|
903 | //Add the links present in every page
|
---|
904 | for (int i = 0; i < _mainLinks.size(); i++)
|
---|
905 | {
|
---|
906 | Element e = (Element) _mainLinks.get(i);
|
---|
907 | if(!e.getAttribute("href").startsWith("http://"))
|
---|
908 | {
|
---|
909 | e.setAttribute("href", _GREENSTONEURL + "/" + e.getAttribute("href"));
|
---|
910 | }
|
---|
911 | head.appendChild(e);
|
---|
912 | }
|
---|
913 |
|
---|
914 | //Add the scripts present in every page
|
---|
915 | for (int i = 0; i < _mainScripts.size(); i++)
|
---|
916 | {
|
---|
917 | Element e = (Element) _mainScripts.get(i);
|
---|
918 | if(!e.getAttribute("src").startsWith("http://"))
|
---|
919 | {
|
---|
920 | e.setAttribute("src", _GREENSTONEURL + "/" + e.getAttribute("src"));
|
---|
921 | }
|
---|
922 | head.appendChild(e);
|
---|
923 | }
|
---|
924 |
|
---|
925 | //Add the new links
|
---|
926 | JsArray<Element> newLinks = tempFrameGetElementsByTagName("link");
|
---|
927 | for (int i = 0; i < newLinks.length(); i++)
|
---|
928 | {
|
---|
929 | Element e = newLinks.get(i);
|
---|
930 | if(!e.getAttribute("href").startsWith("http://"))
|
---|
931 | {
|
---|
932 | e.setAttribute("href", _GREENSTONEURL + "/" + e.getAttribute("href"));
|
---|
933 | }
|
---|
934 | head.appendChild(e);
|
---|
935 | }
|
---|
936 |
|
---|
937 | //Add the new scripts on the page
|
---|
938 | JsArray<Element> scripts = tempFrameGetElementsByTagName("script");
|
---|
939 | for (int i = 0; i < scripts.length(); i++)
|
---|
940 | {
|
---|
941 | Element e = scripts.get(i);
|
---|
942 | if(!e.getAttribute("src").startsWith("http://"))
|
---|
943 | {
|
---|
944 | e.setAttribute("src", _GREENSTONEURL + "/" + e.getAttribute("src"));
|
---|
945 | }
|
---|
946 | head.appendChild(e);
|
---|
947 | }
|
---|
948 | }
|
---|
949 |
|
---|
950 | /**
|
---|
951 | * Go through each form on the page and add a javascript function in place of its action attribute
|
---|
952 | */
|
---|
953 | public void fixForms()
|
---|
954 | {
|
---|
955 | JsArray<Element> forms = tempFrameGetElementsByTagName("form");
|
---|
956 | for (int i = 0; i < forms.length(); i++)
|
---|
957 | {
|
---|
958 | Element e = forms.get(i);
|
---|
959 | e.setAttribute("id", "form" + i);
|
---|
960 |
|
---|
961 | if (!e.getAttribute("action").startsWith("http://"))
|
---|
962 | {
|
---|
963 | e.setAttribute("action", "javascript:loadPageFromFormJS(document.getElementById('form" + i + "'))");
|
---|
964 | }
|
---|
965 | }
|
---|
966 | }
|
---|
967 |
|
---|
968 | /**
|
---|
969 | * Go through each anchor on the page and add a javascript function in place of the href attribute
|
---|
970 | */
|
---|
971 | public void fixAnchors()
|
---|
972 | {
|
---|
973 | JsArray<Element> anchors = tempFrameGetElementsByTagName("a");
|
---|
974 | for (int i = 0; i < anchors.length(); i++)
|
---|
975 | {
|
---|
976 | Element e = anchors.get(i);
|
---|
977 |
|
---|
978 | if (!e.getAttribute("href").startsWith("http://"))
|
---|
979 | {
|
---|
980 | e.setAttribute("href", _GREENSTONEURL + "/" + e.getAttribute("href"));
|
---|
981 | e.setAttribute("onClick", "loadPageFromUrlJS('" + e.getAttribute("href") + "'); return false;");
|
---|
982 | }
|
---|
983 | }
|
---|
984 | }
|
---|
985 |
|
---|
986 | /**
|
---|
987 | * Go through each image on the page and correct its src attribute
|
---|
988 | */
|
---|
989 | public void fixImages()
|
---|
990 | {
|
---|
991 | JsArray<Element> images = tempFrameGetElementsByTagName("img");
|
---|
992 | for (int i = 0; i < images.length(); i++)
|
---|
993 | {
|
---|
994 | Element e = images.get(i);
|
---|
995 | if (!e.getAttribute("src").startsWith("http://"))
|
---|
996 | {
|
---|
997 | e.setAttribute("src", _GREENSTONEURL + "/" + e.getAttribute("src"));
|
---|
998 | }
|
---|
999 | }
|
---|
1000 | }
|
---|
1001 |
|
---|
1002 | /**
|
---|
1003 | * Makes calls to console.log harmless on browsers that do not have Firebug
|
---|
1004 | */
|
---|
1005 | public static native void setUpConsole()
|
---|
1006 | /*-{
|
---|
1007 | if (! ("console" in $wnd) || !("firebug" in console))
|
---|
1008 | {
|
---|
1009 | var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];
|
---|
1010 | $wnd.console = {};
|
---|
1011 | for (var i = 0; i < names.length; ++i) $wnd.console[names[i]] = function() {};
|
---|
1012 | }
|
---|
1013 | }-*/;
|
---|
1014 |
|
---|
1015 | /**
|
---|
1016 | * Creates the javascript function that calls the loadPageFromForm GWT function
|
---|
1017 | * @param ml is the instance of the GS3MapLibrary class that you wish to attach this function to
|
---|
1018 | */
|
---|
1019 | public static native void setUpLoadPageFromForm(GS3MapLibrary ml)
|
---|
1020 | /*-{
|
---|
1021 | $wnd.loadPageFromFormJS = function(form)
|
---|
1022 | {
|
---|
1023 | [email protected]::loadPageFromForm(Lcom/google/gwt/user/client/Element;) (form);
|
---|
1024 | };
|
---|
1025 | }-*/;
|
---|
1026 |
|
---|
1027 | /**
|
---|
1028 | * Creates the javascript function that calls the loadPageFromURL GWT function
|
---|
1029 | * @param ml is the instance of the GS3MapLibrary class that you wish to attach this function to
|
---|
1030 | */
|
---|
1031 | public static native void setUpLoadPageFromUrl(GS3MapLibrary ml)
|
---|
1032 | /*-{
|
---|
1033 | $wnd.loadPageFromUrlJS = function(url)
|
---|
1034 | {
|
---|
1035 | [email protected]::loadPageFromUrl(Ljava/lang/String;) (url);
|
---|
1036 | };
|
---|
1037 | }-*/;
|
---|
1038 |
|
---|
1039 | /**
|
---|
1040 | * Creates the javascript function that calls the loadSpatialSearchPage GWT function
|
---|
1041 | * @param ml is the instance of the GS3MapLibrary class that you wish to attach this function to
|
---|
1042 | */
|
---|
1043 | public static native void setUpLoadSpatialSearchPage(GS3MapLibrary ml)
|
---|
1044 | /*-{
|
---|
1045 | $wnd.loadSpatialSearchPageJS = function()
|
---|
1046 | {
|
---|
1047 | [email protected]::loadSpatialSearchPage() ();
|
---|
1048 | };
|
---|
1049 | }-*/;
|
---|
1050 |
|
---|
1051 | /**
|
---|
1052 | * Gets all of the specified type of element in the given frame
|
---|
1053 | * @param frameIndex is the index of the frame to search in
|
---|
1054 | * @param tagname is the specific tag type to get
|
---|
1055 | * @return the list of elements with that tag name
|
---|
1056 | */
|
---|
1057 | public static native JsArray<Element> tempFrameGetElementsByTagName(int frameIndex, String tagname)
|
---|
1058 | /*-{
|
---|
1059 | return $wnd.frames[frameIndex].document.getElementsByTagName(tagname);
|
---|
1060 | }-*/;
|
---|
1061 |
|
---|
1062 | /**
|
---|
1063 | * Gets a element specifed by a given id in the specified frame
|
---|
1064 | * @param frameIndex is the index of the frame to search in
|
---|
1065 | * @param id is the id of the element to find
|
---|
1066 | * @return the specified element
|
---|
1067 | */
|
---|
1068 | public static native Element tempFrameGetElementById(int frameIndex, String id)
|
---|
1069 | /*-{
|
---|
1070 | return $wnd.frames[frameIndex].document.getElementById(id);
|
---|
1071 | }-*/;
|
---|
1072 |
|
---|
1073 | /**
|
---|
1074 | * Gets the total number of frames in the webpage
|
---|
1075 | * @return the total number of frames
|
---|
1076 | */
|
---|
1077 | public static native int getNumberOfFrames()
|
---|
1078 | /*-{
|
---|
1079 | return $wnd.frames.length;
|
---|
1080 | }-*/;
|
---|
1081 |
|
---|
1082 | /**
|
---|
1083 | * Gets an element specified the given id in the intermediate frame
|
---|
1084 | * @param id is the id of the element to find
|
---|
1085 | * @return the specified element
|
---|
1086 | */
|
---|
1087 | public static native Element tempFrameGetElementById(String id)
|
---|
1088 | /*-{
|
---|
1089 | return $wnd.frames[2].document.getElementById(id);
|
---|
1090 | }-*/;
|
---|
1091 |
|
---|
1092 | /**
|
---|
1093 | * Gets all of the specified type of element in the intermediate frame
|
---|
1094 | * @param tagname is the specific tag type to get
|
---|
1095 | * @return the list of elements with that tag name
|
---|
1096 | */
|
---|
1097 | public static native JsArray<Element> tempFrameGetElementsByTagName(String tagname)
|
---|
1098 | /*-{
|
---|
1099 | return $wnd.frames[2].document.getElementsByTagName(tagname);
|
---|
1100 | }-*/;
|
---|
1101 |
|
---|
1102 | /**
|
---|
1103 | * Prints a given message to the Firebug console
|
---|
1104 | * @param msg is the message to print
|
---|
1105 | */
|
---|
1106 | public static native void logToConsole(String msg)
|
---|
1107 | /*-{
|
---|
1108 | console.log(msg);
|
---|
1109 | }-*/;
|
---|
1110 |
|
---|
1111 | /**
|
---|
1112 | * Gets the <head> element of the <html>
|
---|
1113 | * @return the head element
|
---|
1114 | */
|
---|
1115 | public static native Element getDocumentHead()
|
---|
1116 | /*-{
|
---|
1117 | return $doc.getElementsByTagName("head")[0];
|
---|
1118 | }-*/;
|
---|
1119 |
|
---|
1120 | /**
|
---|
1121 | * Gets an element specified by the given id in the document
|
---|
1122 | * @param id the id of the element to find
|
---|
1123 | * @return the specified element
|
---|
1124 | */
|
---|
1125 | public static native Element getElementById(String id)
|
---|
1126 | /*-{
|
---|
1127 | return $doc.getElementById(id);
|
---|
1128 | }-*/;
|
---|
1129 |
|
---|
1130 | /**
|
---|
1131 | * Gets all of the elements specified by the given tag name
|
---|
1132 | * @param tagName is the tag name of the elements to find
|
---|
1133 | * @return the list of elements specified by the given tag name
|
---|
1134 | */
|
---|
1135 | public static native JsArray<Element> getElementsByTagName(String tagName)
|
---|
1136 | /*-{
|
---|
1137 | return $doc.getElementsByTagName(tagName);
|
---|
1138 | }-*/;
|
---|
1139 |
|
---|
1140 | /**
|
---|
1141 | * Calls the method the initialises the fisheye viewing
|
---|
1142 | */
|
---|
1143 | public static native void setUpFishEye()
|
---|
1144 | /*-{
|
---|
1145 | console.log("Fish eye set up");
|
---|
1146 | $wnd.fishEyeSetUp();
|
---|
1147 | }-*/;
|
---|
1148 |
|
---|
1149 | /**
|
---|
1150 | * Passes the mouse y coordinates from the GWT handler to the fisheye handler
|
---|
1151 | * @param y is the mouse y coordinate
|
---|
1152 | */
|
---|
1153 | public static native void passMouseCoordsToFishEye(int y)
|
---|
1154 | /*-{
|
---|
1155 | $wnd.checkMousePos(y);
|
---|
1156 | }-*/;
|
---|
1157 |
|
---|
1158 | /**
|
---|
1159 | * Sets up the timer that checks periodically whether or not the elements in the page need to be resized
|
---|
1160 | */
|
---|
1161 | public void setUpBrowserResizeCheckTimer()
|
---|
1162 | {
|
---|
1163 | _resizeCheckTimer = new Timer()
|
---|
1164 | {
|
---|
1165 | public void run()
|
---|
1166 | {
|
---|
1167 | if (_currentBrowserPixelHeight != Window.getClientHeight() || _currentBrowserPixelWidth != Window.getClientWidth() || _resize)
|
---|
1168 | {
|
---|
1169 | _resize = false;
|
---|
1170 | resizeElements();
|
---|
1171 | _currentBrowserPixelHeight = Window.getClientHeight();
|
---|
1172 | _currentBrowserPixelWidth = Window.getClientWidth();
|
---|
1173 | }
|
---|
1174 | }
|
---|
1175 | };
|
---|
1176 | _resizeCheckTimer.scheduleRepeating(500);
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | /**
|
---|
1180 | * Resizes elements based on the current width and height of the browser window
|
---|
1181 | */
|
---|
1182 | public void resizeElements()
|
---|
1183 | {
|
---|
1184 | //Get the width and height we want to use for the content div
|
---|
1185 | int cwidth = Window.getClientWidth() - 45;
|
---|
1186 | int cheight = (int) (Window.getClientHeight() - _headerDiv.getOffsetHeight() - _footerDiv.getOffsetHeight() - 70);
|
---|
1187 |
|
---|
1188 | //If the height is less than 300 then set it to 300
|
---|
1189 | if (cheight < 300)
|
---|
1190 | {
|
---|
1191 | cheight = 300;
|
---|
1192 | }
|
---|
1193 |
|
---|
1194 | //Set the widths of the header and footer divs
|
---|
1195 | _headerDiv.setWidth(cwidth + "px");
|
---|
1196 | _footerDiv.setWidth(cwidth + "px");
|
---|
1197 |
|
---|
1198 | //Set the size of the content div
|
---|
1199 | _contentDiv.setSize(cwidth + "px", (cheight + 50) + "px");
|
---|
1200 |
|
---|
1201 | //Set up the style of the Greenstone panel
|
---|
1202 | _gsPanel.getElement().getStyle().setProperty("position", "absolute");
|
---|
1203 | _gsPanel.getElement().getStyle().setProperty("overflow", "auto");
|
---|
1204 |
|
---|
1205 | //Set up the style of the Map panel
|
---|
1206 | _map.getElement().getStyle().setProperty("position", "absolute");
|
---|
1207 | _map.getElement().getStyle().setProperty("top", _contentDiv.getAbsoluteTop() + "px");
|
---|
1208 |
|
---|
1209 | //If the map is visible and the Greenstone panel is visible
|
---|
1210 | if (_mapVisible && _gsVisible)
|
---|
1211 | {
|
---|
1212 | _map.setSize((cwidth / 2 - 60) + "px", cheight + "px");
|
---|
1213 | _map.getElement().getStyle().setProperty("left", (cwidth / 2 + 50) + "px");
|
---|
1214 | _gsPanel.setSize((cwidth / 2) + "px", cheight + "px");
|
---|
1215 | }
|
---|
1216 |
|
---|
1217 | //If the map is visible and the Greenstone panel is not visible
|
---|
1218 | if (_mapVisible && !_gsVisible)
|
---|
1219 | {
|
---|
1220 | _gsPanel.setSize("0px", "0px");
|
---|
1221 | _map.setSize((cwidth - 40) + "px", cheight + "px");
|
---|
1222 | _map.getElement().getStyle().setProperty("left", _gsPanel.getAbsoluteLeft() + "px");
|
---|
1223 | }
|
---|
1224 |
|
---|
1225 | //If the map is not visible and the Greenstone panel is visible
|
---|
1226 | if (!_mapVisible && _gsVisible)
|
---|
1227 | {
|
---|
1228 | _gsPanel.setSize(cwidth + "px", cheight + "px");
|
---|
1229 | _map.setSize("0px", "0px");
|
---|
1230 | }
|
---|
1231 |
|
---|
1232 | //If neither panel is visible
|
---|
1233 | if (!_mapVisible && !_gsVisible)
|
---|
1234 | {
|
---|
1235 | _gsPanel.setSize("0px", "0px");
|
---|
1236 | _map.setSize("0px", "0px");
|
---|
1237 | }
|
---|
1238 | }
|
---|
1239 |
|
---|
1240 | /**
|
---|
1241 | * Initialises the Google Map view
|
---|
1242 | */
|
---|
1243 | public void setUpMap()
|
---|
1244 | {
|
---|
1245 | //Set up the map size, style, starting point and zoom level
|
---|
1246 | LatLng startPoint = LatLng.newInstance(0, 0);
|
---|
1247 | _map = new MapWidget(startPoint, _currentZoomLevel);
|
---|
1248 | _map.setSize(Window.getClientWidth() / 2 + "px", "600px");
|
---|
1249 | _map.getElement().getStyle().setProperty("margin", "5px");
|
---|
1250 | _map.setStyleName("map");
|
---|
1251 |
|
---|
1252 | //Store the default map move handler
|
---|
1253 | _mapMoveHandler = new MapMoveHandler()
|
---|
1254 | {
|
---|
1255 | public void onMove(MapMoveEvent event)
|
---|
1256 | {
|
---|
1257 | if (_map.getZoomLevel() != _currentZoomLevel)
|
---|
1258 | {
|
---|
1259 | _currentZoomLevel = _map.getZoomLevel();
|
---|
1260 | _map.clearOverlays();
|
---|
1261 |
|
---|
1262 | //If this is not a search page then there is only one place set
|
---|
1263 | if(!_searchResultsPage)
|
---|
1264 | {
|
---|
1265 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", _searchResultsPage);
|
---|
1266 | }
|
---|
1267 | //If this is a search page then there are likely to be multiple place sets
|
---|
1268 | else
|
---|
1269 | {
|
---|
1270 | displayMultiplePlaceSets();
|
---|
1271 | }
|
---|
1272 | }
|
---|
1273 | }
|
---|
1274 | };
|
---|
1275 | _map.addMapMoveHandler(_mapMoveHandler);
|
---|
1276 |
|
---|
1277 | // Add some controls for the zoom level
|
---|
1278 | _map.addControl(new LargeMapControl());
|
---|
1279 | _map.addControl(new MapTypeControl());
|
---|
1280 |
|
---|
1281 | //Add the map loading label
|
---|
1282 | _mapLoadingLabel.setStyleName("mapLoadingLabel");
|
---|
1283 | _mapLoadingLabel.getElement().getStyle().setProperty("left", ((int) (_headerDiv.getOffsetWidth() * (3.0 / 4.0) - _mapLoadingLabel.getOffsetWidth() / 2)) + "px");
|
---|
1284 | _mapLoadingLabel.getElement().getStyle().setProperty("top", (_headerDiv.getOffsetHeight() + _contentDiv.getOffsetHeight() / 3) + "px");
|
---|
1285 |
|
---|
1286 | //Make the map initially invisible
|
---|
1287 | _map.setVisible(false);
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 | /**
|
---|
1291 | * Creates a marker at the given point
|
---|
1292 | * @param p is the place to create a marker for
|
---|
1293 | * @param point is the point to place the marker at (if this is null the place will be used to provide the coordinates)
|
---|
1294 | * @param borderColour is the colour of the border to use
|
---|
1295 | * @param fillColour is the colour to use to fill the marker
|
---|
1296 | * @param colourInfo stores whether or not to show a coloured rectangle in the information box that is shown when the marker is clicked
|
---|
1297 | * @return the marker
|
---|
1298 | */
|
---|
1299 | public Polygon createMarkerAtPoint(Place p, LatLng point, String borderColour, String fillColour, Boolean colourInfo)
|
---|
1300 | {
|
---|
1301 | float lat = 0.0f;
|
---|
1302 | float lng = 0.0f;
|
---|
1303 |
|
---|
1304 | //Get the coordinates
|
---|
1305 | if (point == null)
|
---|
1306 | {
|
---|
1307 | lat = p.getLatitude();
|
---|
1308 | lng = p.getLongitude();
|
---|
1309 | }
|
---|
1310 | else
|
---|
1311 | {
|
---|
1312 | lat = (float) point.getLatitude();
|
---|
1313 | lng = (float) point.getLongitude();
|
---|
1314 | }
|
---|
1315 |
|
---|
1316 | LatLng newPoint = ((point == null) ? LatLng.newInstance(lat, lng) : point);
|
---|
1317 |
|
---|
1318 | //Work out the size of the new marker based on the current zoom level
|
---|
1319 | double size = 4.0 / (_map.getZoomLevel() * (_map.getZoomLevel() / 2));
|
---|
1320 |
|
---|
1321 | //Create the corner of the polygon
|
---|
1322 | LatLng tl = LatLng.newInstance(lat - size, lng + size);
|
---|
1323 | LatLng tr = LatLng.newInstance(lat + size, lng + size);
|
---|
1324 | LatLng br = LatLng.newInstance(lat + size, lng - size);
|
---|
1325 | LatLng bl = LatLng.newInstance(lat - size, lng - size);
|
---|
1326 |
|
---|
1327 | //If the user has chosen to highlight this place then make the marker red
|
---|
1328 | Polygon newMarker = null;
|
---|
1329 | if (_highlightedPlaces.contains(p.getName()))
|
---|
1330 | {
|
---|
1331 | newMarker = new Polygon(new LatLng[] { tl, tr, br, bl, tl }, borderColour, 1, 1, "#FF0000", 0.75);
|
---|
1332 | }
|
---|
1333 | //Otherwise make it the normal colour
|
---|
1334 | else
|
---|
1335 | {
|
---|
1336 | newMarker = new Polygon(new LatLng[] { tl, tr, br, bl, tl }, borderColour, 1, 1, fillColour, 0.75);
|
---|
1337 | }
|
---|
1338 |
|
---|
1339 | // When the marker is clicked it will show its address in a info box
|
---|
1340 | newMarker.addPolygonClickHandler(new MarkerClickHandler(fillColour, p, newPoint, colourInfo));
|
---|
1341 |
|
---|
1342 | return newMarker;
|
---|
1343 | }
|
---|
1344 |
|
---|
1345 | /**
|
---|
1346 | * Shows an info box above the marker when the marker is clicked
|
---|
1347 | */
|
---|
1348 | public class MarkerClickHandler implements PolygonClickHandler
|
---|
1349 | {
|
---|
1350 | String _fillColour = "";
|
---|
1351 | Boolean _colourInfo = false;
|
---|
1352 | LatLng _point = null;
|
---|
1353 | Place _place = null;
|
---|
1354 |
|
---|
1355 | public MarkerClickHandler(String fillColour, Place place, LatLng point, Boolean colourInfo)
|
---|
1356 | {
|
---|
1357 | _fillColour = fillColour;
|
---|
1358 | _place = place;
|
---|
1359 | _point = point;
|
---|
1360 | _colourInfo = colourInfo;
|
---|
1361 | }
|
---|
1362 |
|
---|
1363 | public void onClick(PolygonClickEvent event)
|
---|
1364 | {
|
---|
1365 | InfoWindow info = _map.getInfoWindow();
|
---|
1366 | if (_colourInfo)
|
---|
1367 | {
|
---|
1368 | info.open(_point, new InfoWindowContent(createPlaceInformationString(_place)));
|
---|
1369 | }
|
---|
1370 | else
|
---|
1371 | {
|
---|
1372 | info.open(_point, new InfoWindowContent("<span style=\"background: " + _fillColour + "; color: " + _fillColour + ";\">...</span> " + createPlaceInformationString(_place)));
|
---|
1373 | }
|
---|
1374 | }
|
---|
1375 | }
|
---|
1376 |
|
---|
1377 | /**
|
---|
1378 | * Takes a place object and creates a string with information about that place
|
---|
1379 | * @param p is the place to make an information string from
|
---|
1380 | * @return the information string
|
---|
1381 | */
|
---|
1382 | public String createPlaceInformationString(Place p)
|
---|
1383 | {
|
---|
1384 | //If we do not have a valid place then stop
|
---|
1385 | if(p == null)
|
---|
1386 | {
|
---|
1387 | return null;
|
---|
1388 | }
|
---|
1389 |
|
---|
1390 | //Add the place name to the string
|
---|
1391 | StringBuilder s = new StringBuilder(p.getName());
|
---|
1392 |
|
---|
1393 | //Add the full parent name to the string
|
---|
1394 | if (p.getParentPlaceName() != null)
|
---|
1395 | {
|
---|
1396 | s.append(" in " + p.getParentPlaceName());
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 | //If we have population information then add it to the string
|
---|
1400 | if (p.getPopulation() > 0)
|
---|
1401 | {
|
---|
1402 | StringBuilder pop = new StringBuilder(Long.toString(p.getPopulation()));
|
---|
1403 |
|
---|
1404 | //Insert commas into long numbers
|
---|
1405 | for (int i = pop.length() - 3; i > 0; i -= 3)
|
---|
1406 | {
|
---|
1407 | pop.insert(i, ',');
|
---|
1408 | }
|
---|
1409 |
|
---|
1410 | s.append("<br/>Population: " + pop);
|
---|
1411 | }
|
---|
1412 |
|
---|
1413 | //If we have coordinates then add those to the string as well
|
---|
1414 | if (p.getLongitude() != null && p.getLatitude() != null)
|
---|
1415 | {
|
---|
1416 | StringBuilder lat = new StringBuilder(Float.toString(p.getLatitude()));
|
---|
1417 | StringBuilder lng = new StringBuilder(Float.toString(p.getLongitude()));
|
---|
1418 |
|
---|
1419 | //Shorten coordinates to 3 decimal places
|
---|
1420 | int i = 0;
|
---|
1421 | while (lat.charAt(i++) != '.');
|
---|
1422 | int j = 0;
|
---|
1423 | while (lng.charAt(j++) != '.');
|
---|
1424 |
|
---|
1425 | if ((i + 3) < lat.length())
|
---|
1426 | {
|
---|
1427 | lat.delete(i + 3, lat.length());
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 | if ((j + 3) < lng.length())
|
---|
1431 | {
|
---|
1432 | lng.delete(j + 3, lng.length());
|
---|
1433 | }
|
---|
1434 |
|
---|
1435 | s.append("<br/>Coordinates: " + lat + ", " + lng);
|
---|
1436 | }
|
---|
1437 |
|
---|
1438 | return s.toString();
|
---|
1439 | }
|
---|
1440 |
|
---|
1441 | /**
|
---|
1442 | * Make a call to the server that gets places that match the given criteria
|
---|
1443 | */
|
---|
1444 | public void updateCurrentPlaces()
|
---|
1445 | {
|
---|
1446 | _findPlaceService.getPlaces(0, 100, 0, true, true, true, _MAXVISIBLEMARKERS, setUpGetPlacesCallback());
|
---|
1447 | }
|
---|
1448 |
|
---|
1449 | /**
|
---|
1450 | * Displays all of the place sets created from a text search
|
---|
1451 | */
|
---|
1452 | public void displayMultiplePlaceSets()
|
---|
1453 | {
|
---|
1454 | //Clear the map
|
---|
1455 | _map.clearOverlays();
|
---|
1456 |
|
---|
1457 | //Go through each place set and if it has been marked visible then add it
|
---|
1458 | for (int j = 0; j < _currentMultiPlaces.size(); j++)
|
---|
1459 | {
|
---|
1460 | logToConsole("Adding set " + j + " to the map");
|
---|
1461 | if (_visiblePlaceSets.get(j))
|
---|
1462 | {
|
---|
1463 | addPlacesToMap(_currentMultiPlaces.get(j), "#FFFFFF", numToColour(j, _currentMultiPlaces.size(), 100, 255), true);
|
---|
1464 | }
|
---|
1465 | }
|
---|
1466 | _statusBar.removeUpdate("DisPlaces");
|
---|
1467 | }
|
---|
1468 |
|
---|
1469 | /**
|
---|
1470 | * Creates a colour from the given parameters
|
---|
1471 | * @param num is the specified index
|
---|
1472 | * @param max is the total number of indexes
|
---|
1473 | * @param cmin is the minimum colour
|
---|
1474 | * @param cmax is the maximum colour
|
---|
1475 | * @return the colour string (e.g. #F35A22)
|
---|
1476 | */
|
---|
1477 | public String numToColour(int num, int max, int cmin, int cmax)
|
---|
1478 | {
|
---|
1479 | logToConsole("num = " + num + ", max = " + max + ", cmin = " + cmin + ", cmax = " + cmax);
|
---|
1480 | //Make sure num and max are good numbers
|
---|
1481 | if(num < 0){num = 0;}
|
---|
1482 | if(max <= 0){return "#000000";}
|
---|
1483 | if(max > 255){max = 255;}
|
---|
1484 | if(num > max){num = max;}
|
---|
1485 |
|
---|
1486 | //Work out where this colour will lie in the spectrum
|
---|
1487 | int colourNum = (int) ((((float) num) / ((float) max)) * ((cmax - cmin) * 8));
|
---|
1488 |
|
---|
1489 | String red = null;
|
---|
1490 | String green = null;
|
---|
1491 | String blue = null;
|
---|
1492 |
|
---|
1493 | //If the colour is in the first section then make it a mix between red and green
|
---|
1494 | if (colourNum <= (cmax - cmin) * 2)
|
---|
1495 | {
|
---|
1496 | if (colourNum <= (cmax - cmin))
|
---|
1497 | {
|
---|
1498 | red = Integer.toHexString(colourNum + cmin);
|
---|
1499 | green = "00";
|
---|
1500 | blue = "00";
|
---|
1501 | }
|
---|
1502 | else
|
---|
1503 | {
|
---|
1504 | colourNum -= (cmax - cmin);
|
---|
1505 | red = Integer.toHexString(cmax);
|
---|
1506 | green = Integer.toHexString(colourNum + cmin);
|
---|
1507 | blue = "00";
|
---|
1508 | }
|
---|
1509 | }
|
---|
1510 | //If the colour is in the second section then make it a mix between green and blue
|
---|
1511 | else if (colourNum <= (cmax - cmin) * 4)
|
---|
1512 | {
|
---|
1513 | colourNum -= ((cmax - cmin) * 2);
|
---|
1514 | if (colourNum <= (cmax - cmin))
|
---|
1515 | {
|
---|
1516 | red = "00";
|
---|
1517 | green = Integer.toHexString(colourNum + cmin);
|
---|
1518 | blue = "00";
|
---|
1519 | }
|
---|
1520 | else
|
---|
1521 | {
|
---|
1522 | colourNum -= (cmax - cmin);
|
---|
1523 | red = "00";
|
---|
1524 | green = Integer.toHexString(cmax);
|
---|
1525 | blue = Integer.toHexString(colourNum + cmin);
|
---|
1526 | }
|
---|
1527 | }
|
---|
1528 | //If the colour is in the third section then make it a mix between red and blue
|
---|
1529 | else if (colourNum <= (cmax - cmin) * 6)
|
---|
1530 | {
|
---|
1531 | colourNum -= ((cmax - cmin) * 4);
|
---|
1532 | if (colourNum <= (cmax - cmin))
|
---|
1533 | {
|
---|
1534 | red = "00";
|
---|
1535 | green = "00";
|
---|
1536 | blue = Integer.toHexString(colourNum + cmin);
|
---|
1537 | }
|
---|
1538 | else
|
---|
1539 | {
|
---|
1540 | colourNum -= (cmax - cmin);
|
---|
1541 | red = Integer.toHexString(colourNum + cmin);
|
---|
1542 | green = "00";
|
---|
1543 | blue = Integer.toHexString(cmax);
|
---|
1544 | }
|
---|
1545 | }
|
---|
1546 | //If the colour is in the fourth section then make it a mix between all colours
|
---|
1547 | else
|
---|
1548 | {
|
---|
1549 | colourNum -= ((cmax - cmin) * 6);
|
---|
1550 | colourNum /= 2;
|
---|
1551 |
|
---|
1552 | red = Integer.toHexString(colourNum + cmin);
|
---|
1553 | green = Integer.toHexString(colourNum + cmin);
|
---|
1554 | blue = Integer.toHexString(colourNum + cmin);
|
---|
1555 | }
|
---|
1556 |
|
---|
1557 | //If the hex strings are only one character long then add a zero the the front
|
---|
1558 | if (red.length() < 2){red = "0" + red;}
|
---|
1559 | if (green.length() < 2){green = "0" + green;}
|
---|
1560 | if (blue.length() < 2){blue = "0" + blue;}
|
---|
1561 |
|
---|
1562 | logToConsole("#" + red + green + blue);
|
---|
1563 | return "#" + red + green + blue;
|
---|
1564 | }
|
---|
1565 |
|
---|
1566 | /**
|
---|
1567 | * Takes an array of places and displays them on the map
|
---|
1568 | * @param places is the list of places to display
|
---|
1569 | * @param borderColour is the colour of the marker borders
|
---|
1570 | * @param fillColour is the main colour of the marker
|
---|
1571 | * @param colourInfo is whether or not to display a coloured box in the information box of the marker
|
---|
1572 | */
|
---|
1573 | public void addPlacesToMap(ArrayList<Place> places, String borderColour, String fillColour, boolean colourInfo)
|
---|
1574 | {
|
---|
1575 | //If we do not have a valid set of places then stop
|
---|
1576 | if(places == null || places.size() == 0)
|
---|
1577 | {
|
---|
1578 | return;
|
---|
1579 | }
|
---|
1580 |
|
---|
1581 | ArrayList<Place> placesSeen = new ArrayList<Place>();
|
---|
1582 |
|
---|
1583 | // Make the best places visible
|
---|
1584 | for (Place p : places)
|
---|
1585 | {
|
---|
1586 | if (!_showAllPlaces)
|
---|
1587 | {
|
---|
1588 | //If the place is not directly referenced then don't use it
|
---|
1589 | if (!p.isDirectlyReferenced())
|
---|
1590 | {
|
---|
1591 | continue;
|
---|
1592 | }
|
---|
1593 |
|
---|
1594 | //If a different place with this name has been chosen then don't use it
|
---|
1595 | if ((_chosenPlaces.containsKey(p.getName()) && !_chosenPlaces.get(p.getName()).equals(p)) || _removedPlaces.contains(p.getName()))
|
---|
1596 | {
|
---|
1597 | continue;
|
---|
1598 | }
|
---|
1599 |
|
---|
1600 | //Make sure we only add the place once
|
---|
1601 | boolean found = false;
|
---|
1602 | for (Place q : placesSeen)
|
---|
1603 | {
|
---|
1604 | if (p.getName().equals(q.getName()))
|
---|
1605 | {
|
---|
1606 | found = true;
|
---|
1607 | }
|
---|
1608 | }
|
---|
1609 |
|
---|
1610 | if (found)
|
---|
1611 | {
|
---|
1612 | continue;
|
---|
1613 | }
|
---|
1614 | placesSeen.add(p);
|
---|
1615 | }
|
---|
1616 |
|
---|
1617 | // If there is no latitude and longitude provided for this place
|
---|
1618 | if (p.getLatitude() == null)
|
---|
1619 | {
|
---|
1620 | // Use Google's geocoder to find the place
|
---|
1621 | findAndMarkAddress(p, borderColour, fillColour, colourInfo);
|
---|
1622 | }
|
---|
1623 | // Latitude and longitude are provided in the address
|
---|
1624 | else
|
---|
1625 | {
|
---|
1626 | Polygon marker = createMarkerAtPoint(p, null, borderColour, fillColour, colourInfo);
|
---|
1627 | // Add the marker to the map
|
---|
1628 | _map.addOverlay(marker);
|
---|
1629 | }
|
---|
1630 | }
|
---|
1631 | }
|
---|
1632 |
|
---|
1633 | /**
|
---|
1634 | * Finds and puts a marker at the given address using Google's geocoder service
|
---|
1635 | * @param address is the address to find and mark (e.g. Hamilton, Waikato, New Zealand)
|
---|
1636 | * @param index is where in the list of place locations this is to be added
|
---|
1637 | */
|
---|
1638 | private void findAndMarkAddress(final Place place, final String borderColour, final String fillColour, final boolean colourInfo)
|
---|
1639 | {
|
---|
1640 | String address = null;
|
---|
1641 |
|
---|
1642 | if (place.getParentPlaceName() != null)
|
---|
1643 | {
|
---|
1644 | address = place.getName() + ", " + place.getParentPlaceName();
|
---|
1645 | }
|
---|
1646 | else
|
---|
1647 | {
|
---|
1648 | address = place.getName();
|
---|
1649 | }
|
---|
1650 |
|
---|
1651 | // Make the call to the geocoder service
|
---|
1652 | _geocoder.getLatLng(address, new LatLngCallback()
|
---|
1653 | {
|
---|
1654 | // Ignore the place if it is not valid
|
---|
1655 | public void onFailure()
|
---|
1656 | {
|
---|
1657 | // LogToConsole("Failed");
|
---|
1658 | }
|
---|
1659 |
|
---|
1660 | // If the geocoder service found the place
|
---|
1661 | public void onSuccess(final LatLng point)
|
---|
1662 | {
|
---|
1663 | // LogToConsole("Found");
|
---|
1664 | Polygon marker = createMarkerAtPoint(place, point, borderColour, fillColour, colourInfo);
|
---|
1665 |
|
---|
1666 | place.setLatitude((float) point.getLatitude());
|
---|
1667 | place.setLongitude((float) point.getLongitude());
|
---|
1668 |
|
---|
1669 | // Add the marker to the map
|
---|
1670 | _map.addOverlay(marker);
|
---|
1671 | }
|
---|
1672 | });
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 | public AsyncCallback<ArrayList<Place>> setUpGetPlacesCallback()
|
---|
1676 | {
|
---|
1677 | AsyncCallback<ArrayList<Place>> callback = new AsyncCallback<ArrayList<Place>>()
|
---|
1678 | {
|
---|
1679 | public void onFailure(Throwable caught)
|
---|
1680 | {
|
---|
1681 | logToConsole("Get Places FAIL" + caught.getMessage());
|
---|
1682 | }
|
---|
1683 |
|
---|
1684 | // This is called when a successful call to findAllPlaces() is
|
---|
1685 | // completed
|
---|
1686 | public void onSuccess(ArrayList<Place> places)
|
---|
1687 | {
|
---|
1688 | logToConsole("Get Places Success!");
|
---|
1689 | _currentPlaces = places;
|
---|
1690 |
|
---|
1691 | addPlacesToMap(places, "#FFFFFF", "#00FF00", _searchResultsPage);
|
---|
1692 | _updatingMap = false;
|
---|
1693 | }
|
---|
1694 | };
|
---|
1695 |
|
---|
1696 | return callback;
|
---|
1697 | }
|
---|
1698 |
|
---|
1699 | /**
|
---|
1700 | * Creates the callback object that is used when the call to the server returns
|
---|
1701 | * @return the callback object
|
---|
1702 | */
|
---|
1703 | public AsyncCallback<Boolean> setUpFindPlacesCallback()
|
---|
1704 | {
|
---|
1705 | return new AsyncCallback<Boolean>()
|
---|
1706 | {
|
---|
1707 | /**
|
---|
1708 | * This is called when the call to the server fails
|
---|
1709 | */
|
---|
1710 | public void onFailure(Throwable caught)
|
---|
1711 | {
|
---|
1712 | _statusBar.removeUpdate("TextSearch");
|
---|
1713 | logToConsole("Find places fail" + caught.getMessage());
|
---|
1714 | }
|
---|
1715 |
|
---|
1716 | /**
|
---|
1717 | * This is called when the call to the server succeeds
|
---|
1718 | * @param result is a dummy variable that does not do anything
|
---|
1719 | */
|
---|
1720 | public void onSuccess(Boolean result)
|
---|
1721 | {
|
---|
1722 | //Remove the "searching for places" status bar message
|
---|
1723 | _statusBar.removeUpdate("TextSearch");
|
---|
1724 |
|
---|
1725 | logToConsole("Find Places success!");
|
---|
1726 |
|
---|
1727 | //Get the marked up text from the server
|
---|
1728 | _findPlaceService.getMarkedUpText(setUpGetMarkedUpTextCallback());
|
---|
1729 |
|
---|
1730 | //Get the found places from the server
|
---|
1731 | updateCurrentPlaces();
|
---|
1732 |
|
---|
1733 | //Clear the map
|
---|
1734 | _map.clearOverlays();
|
---|
1735 |
|
---|
1736 | //Add the new places to the map
|
---|
1737 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", _searchResultsPage);
|
---|
1738 |
|
---|
1739 | //Remove the "map loading" message from the map
|
---|
1740 | _mapLoadingLabel.removeFromParent();
|
---|
1741 | }
|
---|
1742 | };
|
---|
1743 | }
|
---|
1744 |
|
---|
1745 | public AsyncCallback<ArrayList<ArrayList<Place>>> setUpFindMultiplePlacesCallback()
|
---|
1746 | {
|
---|
1747 | AsyncCallback<ArrayList<ArrayList<Place>>> callback = new AsyncCallback<ArrayList<ArrayList<Place>>>()
|
---|
1748 | {
|
---|
1749 | public void onFailure(Throwable caught)
|
---|
1750 | {
|
---|
1751 | logToConsole("Find multi places fail" + caught.getMessage());
|
---|
1752 | }
|
---|
1753 |
|
---|
1754 | public void onSuccess(ArrayList<ArrayList<Place>> places)
|
---|
1755 | {
|
---|
1756 | _statusBar.removeUpdate("SearchLoad");
|
---|
1757 | _statusBar.addUpdate("Displaying places", "DisPlaces");
|
---|
1758 |
|
---|
1759 | logToConsole("Find multi places success");
|
---|
1760 | _currentMultiPlaces = places;
|
---|
1761 | _visiblePlaceSets = new ArrayList<Boolean>();
|
---|
1762 | for (int i = 0; i < _currentMultiPlaces.size(); i++)
|
---|
1763 | {
|
---|
1764 | _visiblePlaceSets.add(true);
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 | _mapLoadingLabel.removeFromParent();
|
---|
1768 | displayMultiplePlaceSets();
|
---|
1769 | addElementsToSearchResults(places);
|
---|
1770 | }
|
---|
1771 | };
|
---|
1772 | return callback;
|
---|
1773 | }
|
---|
1774 |
|
---|
1775 | public AsyncCallback<Boolean> setUpCheckGazetteerCallback()
|
---|
1776 | {
|
---|
1777 | AsyncCallback<Boolean> callback = new AsyncCallback<Boolean>()
|
---|
1778 | {
|
---|
1779 | public void onFailure(Throwable caught)
|
---|
1780 | {
|
---|
1781 | logToConsole("Check Gazetteer fail " + caught.getMessage());
|
---|
1782 | }
|
---|
1783 |
|
---|
1784 | public void onSuccess(Boolean result)
|
---|
1785 | {
|
---|
1786 | if (!result)
|
---|
1787 | {
|
---|
1788 | _statusBar.addUpdate("Server is loading gazetteer", "GazLoad");
|
---|
1789 |
|
---|
1790 | _findPlaceService.loadGazetteer(setUpLoadGazetteerCallback());
|
---|
1791 | }
|
---|
1792 | else
|
---|
1793 | {
|
---|
1794 | logToConsole("Gazetteer Already Loaded!");
|
---|
1795 | _gazetteerLoaded = true;
|
---|
1796 | }
|
---|
1797 | }
|
---|
1798 | };
|
---|
1799 | return callback;
|
---|
1800 | }
|
---|
1801 |
|
---|
1802 | /**
|
---|
1803 | * Checks to see if the current page has text from a document so that it can be checked for places
|
---|
1804 | */
|
---|
1805 | public void checkDocText()
|
---|
1806 | {
|
---|
1807 | //Get the document text element if it exists
|
---|
1808 | Element documentText = getDocTextElement();
|
---|
1809 |
|
---|
1810 | //If it does not exist then stop
|
---|
1811 | if (documentText == null)
|
---|
1812 | {
|
---|
1813 | logToConsole("document text div not found");
|
---|
1814 | if (_mapVisible)
|
---|
1815 | {
|
---|
1816 | _map.setVisible(false);
|
---|
1817 | _mapVisible = false;
|
---|
1818 | }
|
---|
1819 | _viewPanel.setVisible(false);
|
---|
1820 | return;
|
---|
1821 | }
|
---|
1822 |
|
---|
1823 | logToConsole("Document text found!");
|
---|
1824 |
|
---|
1825 | //Allow the user to change the method they wish to use view the text
|
---|
1826 | _viewPanel.setVisible(true);
|
---|
1827 |
|
---|
1828 | //If the view type is not set to normal then remove the TOC
|
---|
1829 | if (_textViewSelector.getSelectedIndex() > 0)
|
---|
1830 | {
|
---|
1831 | HTML.wrap(getElementById("rightSidebar")).setVisible(false);
|
---|
1832 | }
|
---|
1833 |
|
---|
1834 | //Create the document menu if we have not already done so
|
---|
1835 | if (_currentDocumentMenu == null)
|
---|
1836 | {
|
---|
1837 | createDocumentMenu();
|
---|
1838 | }
|
---|
1839 |
|
---|
1840 | //Create the timer that closes the document menu when it is not in focus
|
---|
1841 | _menuOutTimer = new Timer()
|
---|
1842 | {
|
---|
1843 | public void run()
|
---|
1844 | {
|
---|
1845 | _currentDocumentMenu.hideMenu();
|
---|
1846 | }
|
---|
1847 | };
|
---|
1848 |
|
---|
1849 | //Let the user know that the system is searching for places
|
---|
1850 | _statusBar.addUpdate("Searching text for places", "TextSearch");
|
---|
1851 |
|
---|
1852 | //Clear the map
|
---|
1853 | _map.clearOverlays();
|
---|
1854 |
|
---|
1855 | //Make the map visible
|
---|
1856 | _mapVisible = true;
|
---|
1857 | _map.setVisible(true);
|
---|
1858 |
|
---|
1859 | //Add the "Loading" message to the map
|
---|
1860 | _contentDiv.add(_mapLoadingLabel);
|
---|
1861 |
|
---|
1862 | _mapLoadingLabel.getElement().getStyle().setProperty("left", ((int) (_headerDiv.getOffsetWidth() * (3.0 / 4.0) - _mapLoadingLabel.getOffsetWidth() / 2)) + "px");
|
---|
1863 | _mapLoadingLabel.getElement().getStyle().setProperty("top", (_headerDiv.getOffsetHeight() + _contentDiv.getOffsetHeight() / 3) + "px");
|
---|
1864 |
|
---|
1865 | //Resize the page elemens
|
---|
1866 | _resize = true;
|
---|
1867 |
|
---|
1868 | //Send the document text to the server to be checked for places
|
---|
1869 | final Element finalDocumentText = documentText;
|
---|
1870 | Timer checkLoadTimer = new Timer()
|
---|
1871 | {
|
---|
1872 | public void run()
|
---|
1873 | {
|
---|
1874 | if (_gazetteerLoaded)
|
---|
1875 | {
|
---|
1876 | this.cancel();
|
---|
1877 | _findPlaceService.findPlacesInText(finalDocumentText.getInnerText(), finalDocumentText.getInnerHTML(), setUpFindPlacesCallback());
|
---|
1878 | }
|
---|
1879 | }
|
---|
1880 | };
|
---|
1881 | checkLoadTimer.scheduleRepeating(1000);
|
---|
1882 | }
|
---|
1883 |
|
---|
1884 | /**
|
---|
1885 | * Creates and returns the callback object used when the call to the server returns
|
---|
1886 | * @return the callback object
|
---|
1887 | */
|
---|
1888 | public AsyncCallback<String> setUpGetMarkedUpTextCallback()
|
---|
1889 | {
|
---|
1890 | return new AsyncCallback<String>()
|
---|
1891 | {
|
---|
1892 | /**
|
---|
1893 | * This is called when the call to the server fails
|
---|
1894 | */
|
---|
1895 | public void onFailure(Throwable caught)
|
---|
1896 | {
|
---|
1897 | logToConsole("Mark up text failed -> " + caught.getMessage());
|
---|
1898 | }
|
---|
1899 |
|
---|
1900 | /**
|
---|
1901 | * This is called when the call the to server succeeds
|
---|
1902 | * @param markedUpText is the text (marked up with place names) returned from the server
|
---|
1903 | */
|
---|
1904 | public void onSuccess(String markedUpText)
|
---|
1905 | {
|
---|
1906 | logToConsole("Mark up text success");
|
---|
1907 |
|
---|
1908 | //Get the unmodified document text element from the web page
|
---|
1909 | Element documentText = getDocTextElement();
|
---|
1910 |
|
---|
1911 | //Set the document text HTML to be the marked up text
|
---|
1912 | documentText.setInnerHTML(markedUpText);
|
---|
1913 |
|
---|
1914 | //Get the spans in the marked up text that are place names
|
---|
1915 | JsArray<Element> textPlaces = getElementsByTagName("span");
|
---|
1916 | ArrayList<Element> placeElements = new ArrayList<Element>();
|
---|
1917 |
|
---|
1918 | //Add the place spans to the array
|
---|
1919 | for (int j = 0; j < textPlaces.length(); j++)
|
---|
1920 | {
|
---|
1921 | logToConsole("Attempting to match " + textPlaces.get(j).getAttribute("class") + " with place");
|
---|
1922 | if (textPlaces.get(j).getAttribute("class").equals("place"))
|
---|
1923 | {
|
---|
1924 | placeElements.add(textPlaces.get(j));
|
---|
1925 | }
|
---|
1926 | }
|
---|
1927 |
|
---|
1928 | logToConsole("Adding events to " + placeElements.size() + " place spans");
|
---|
1929 |
|
---|
1930 | //Add mouse over and mouse out handlers to each span
|
---|
1931 | for (Element e : placeElements)
|
---|
1932 | {
|
---|
1933 | Label newLabel = Label.wrap(e);
|
---|
1934 | newLabel.addMouseOverHandler(new PlaceMouseOverHandler());
|
---|
1935 | newLabel.addMouseOutHandler(new PlaceMouseOutHandler());
|
---|
1936 | newLabel.addMouseUpHandler(new PlaceMouseUpHandler());
|
---|
1937 | }
|
---|
1938 |
|
---|
1939 | //If Fisheye view is selected in the list box then use it
|
---|
1940 | if (_textViewSelector.getSelectedIndex() == 1)
|
---|
1941 | {
|
---|
1942 | _statusBar.addUpdate("Loading fisheye view", "FishLoad");
|
---|
1943 | setUpFishEye();
|
---|
1944 | _statusBar.removeUpdate("FishLoad");
|
---|
1945 | _fishEyeHandlerReg = _gsPanel.addMouseMoveHandler(new FishEyeMouseMoveHandler());
|
---|
1946 | }
|
---|
1947 |
|
---|
1948 | //If Column view is selected in the list box then use it
|
---|
1949 | if (_textViewSelector.getSelectedIndex() == 2)
|
---|
1950 | {
|
---|
1951 | setUpColumnView(documentText);
|
---|
1952 | }
|
---|
1953 | }
|
---|
1954 | };
|
---|
1955 | }
|
---|
1956 |
|
---|
1957 | public void setUpColumnView(Element documentText)
|
---|
1958 | {
|
---|
1959 | _statusBar.addUpdate("Loading column view", "ColLoad");
|
---|
1960 |
|
---|
1961 | logToConsole("Wrapping doc text");
|
---|
1962 | HTML docText = HTML.wrap(documentText);
|
---|
1963 | int width = docText.getOffsetWidth();
|
---|
1964 | String html = docText.getHTML();
|
---|
1965 | ArrayList<String> words = new ArrayList<String>();
|
---|
1966 |
|
---|
1967 | int inTag = 0;
|
---|
1968 | boolean inWord = false;
|
---|
1969 |
|
---|
1970 | StringBuilder currentWord = new StringBuilder();
|
---|
1971 |
|
---|
1972 | for (int i = 0; i < html.length(); i++)
|
---|
1973 | {
|
---|
1974 | boolean add = true;
|
---|
1975 | char c = html.charAt(i);
|
---|
1976 |
|
---|
1977 | if (inTag > 0 && c == '>')
|
---|
1978 | {
|
---|
1979 | inTag--;
|
---|
1980 |
|
---|
1981 | if (inTag == 0)
|
---|
1982 | {
|
---|
1983 | words.add(currentWord.toString() + ">");
|
---|
1984 | currentWord = new StringBuilder();
|
---|
1985 | add = false;
|
---|
1986 | }
|
---|
1987 | }
|
---|
1988 | else if (c == '<')
|
---|
1989 | {
|
---|
1990 | inTag++;
|
---|
1991 |
|
---|
1992 | if (inWord)
|
---|
1993 | {
|
---|
1994 | inWord = false;
|
---|
1995 | words.add(currentWord.toString());
|
---|
1996 | currentWord = new StringBuilder();
|
---|
1997 | }
|
---|
1998 | }
|
---|
1999 | else if (("" + c).matches("\\s"))
|
---|
2000 | {
|
---|
2001 | if (inTag == 0)
|
---|
2002 | {
|
---|
2003 | add = false;
|
---|
2004 | }
|
---|
2005 |
|
---|
2006 | if (inWord)
|
---|
2007 | {
|
---|
2008 | inWord = false;
|
---|
2009 | words.add(currentWord.toString());
|
---|
2010 | currentWord = new StringBuilder();
|
---|
2011 | }
|
---|
2012 | }
|
---|
2013 | else
|
---|
2014 | {
|
---|
2015 | if (inTag == 0 && !inWord)
|
---|
2016 | {
|
---|
2017 | inWord = true;
|
---|
2018 | }
|
---|
2019 | }
|
---|
2020 |
|
---|
2021 | if (add)
|
---|
2022 | {
|
---|
2023 | currentWord.append(c);
|
---|
2024 | }
|
---|
2025 | }
|
---|
2026 |
|
---|
2027 | docText.setHTML("");
|
---|
2028 |
|
---|
2029 | HorizontalPanel columns = new HorizontalPanel();
|
---|
2030 | ArrayList<Label> labels = new ArrayList<Label>();
|
---|
2031 | logToConsole("Adding columns to panel");
|
---|
2032 |
|
---|
2033 | if (_contentDiv.getWidget(0).getElement().getId() == "content")
|
---|
2034 | {
|
---|
2035 | VerticalPanel newDocTextPanel = new VerticalPanel();
|
---|
2036 | newDocTextPanel.add(columns);
|
---|
2037 | newDocTextPanel.add(_contentDiv.getWidget(0));
|
---|
2038 | newDocTextPanel.getElement().setId("columnBox");
|
---|
2039 | _contentDiv.insert(newDocTextPanel, 0);
|
---|
2040 | }
|
---|
2041 | else
|
---|
2042 | {
|
---|
2043 | ((VerticalPanel) (_contentDiv.getWidget(0))).remove(0);
|
---|
2044 | ((VerticalPanel) (_contentDiv.getWidget(0))).insert(columns, 0);
|
---|
2045 | }
|
---|
2046 |
|
---|
2047 | float fontSize = 12;
|
---|
2048 | do
|
---|
2049 | {
|
---|
2050 | logToConsole("Looping");
|
---|
2051 | Label l = new Label();
|
---|
2052 | labels.add(l);
|
---|
2053 | columns.add(l);
|
---|
2054 |
|
---|
2055 | for (int j = 0; j < labels.size(); j++)
|
---|
2056 | {
|
---|
2057 | StringBuilder labelText = new StringBuilder();
|
---|
2058 | for (int i = (words.size() / labels.size()) * j; i < ((j < (labels.size() - 1)) ? (((words.size() / labels.size()) * (j + 1)) - 1) : (words.size())); i++)
|
---|
2059 | {
|
---|
2060 | labelText.append(words.get(i) + " ");
|
---|
2061 | }
|
---|
2062 |
|
---|
2063 | labels.get(j).getElement().setInnerHTML(labelText.toString());
|
---|
2064 | labels.get(j).setWidth((width / labels.size()) + "px");
|
---|
2065 | labels.get(j).getElement().getStyle().setProperty("fontSize", fontSize + "px");
|
---|
2066 | }
|
---|
2067 | fontSize *= 0.85;
|
---|
2068 |
|
---|
2069 | logToConsole("Font size = " + fontSize);
|
---|
2070 | } while (columns.getOffsetHeight() > (Window.getClientHeight() - _headerDiv.getOffsetHeight() - _footerDiv.getOffsetHeight() - 70));
|
---|
2071 |
|
---|
2072 | for (int i = 0; i < labels.size(); i++)
|
---|
2073 | {
|
---|
2074 | ArrayList<String> subList = new ArrayList<String>();
|
---|
2075 | for (int j = (words.size() / labels.size()) * i; j < ((i < (labels.size() - 1)) ? (((words.size() / labels.size()) * (i + 1)) - 1) : (words.size())); j++)
|
---|
2076 | {
|
---|
2077 | subList.add(words.get(j));
|
---|
2078 | }
|
---|
2079 | labels.get(i).addMouseMoveHandler(new ColumnViewMouseMoveHandler(labels.get(i), subList));
|
---|
2080 | }
|
---|
2081 |
|
---|
2082 | columns.add(_columnViewBox);
|
---|
2083 | _columnViewBox.getElement().getStyle().setProperty("position", "absolute");
|
---|
2084 | _columnViewBox.getElement().getStyle().setProperty("border", "2px solid");
|
---|
2085 | _columnViewBox.getElement().getStyle().setProperty("background", "#FFFFFF");
|
---|
2086 | _columnViewBox.getElement().getStyle().setProperty("fontSize", "10px");
|
---|
2087 | _columnViewBox.setPixelSize(250, 100);
|
---|
2088 | _columnViewBox.setVisible(false);
|
---|
2089 |
|
---|
2090 | _statusBar.removeUpdate("ColLoad");
|
---|
2091 | }
|
---|
2092 |
|
---|
2093 | class ColumnViewMouseMoveHandler implements MouseMoveHandler
|
---|
2094 | {
|
---|
2095 | Label _label = null;
|
---|
2096 | ArrayList<String> _words = null;
|
---|
2097 |
|
---|
2098 | public ColumnViewMouseMoveHandler(Label label, ArrayList<String> words)
|
---|
2099 | {
|
---|
2100 | _label = label;
|
---|
2101 | _words = words;
|
---|
2102 | }
|
---|
2103 |
|
---|
2104 | public void onMouseOut(MouseOutEvent event)
|
---|
2105 | {
|
---|
2106 | _columnViewBox.setVisible(false);
|
---|
2107 | }
|
---|
2108 |
|
---|
2109 | public void onMouseOver(MouseOverEvent event)
|
---|
2110 | {
|
---|
2111 | _columnViewBox.setVisible(true);
|
---|
2112 | }
|
---|
2113 |
|
---|
2114 | public void onMouseMove(MouseMoveEvent event)
|
---|
2115 | {
|
---|
2116 | _columnViewBox.setVisible(true);
|
---|
2117 |
|
---|
2118 | JsArray<Element> divs = getElementsByTagName("div");
|
---|
2119 | Element documentText = null;
|
---|
2120 | for (int i = 0; i < divs.length(); i++)
|
---|
2121 | {
|
---|
2122 | if (divs.get(i).getAttribute("class").equals("documenttext"))
|
---|
2123 | {
|
---|
2124 | documentText = divs.get(i);
|
---|
2125 | break;
|
---|
2126 | }
|
---|
2127 | }
|
---|
2128 |
|
---|
2129 | if (event.getY() < 125)
|
---|
2130 | {
|
---|
2131 | logToConsole("1");
|
---|
2132 | _columnViewBox.getElement().getStyle().setProperty("top", (event.getY() + _label.getAbsoluteTop() + 25) + "px");
|
---|
2133 | }
|
---|
2134 | else
|
---|
2135 | {
|
---|
2136 | logToConsole("2");
|
---|
2137 | _columnViewBox.getElement().getStyle().setProperty("top", (event.getY() + _label.getAbsoluteTop() - 125) + "px");
|
---|
2138 | }
|
---|
2139 |
|
---|
2140 | if (event.getX() + _label.getAbsoluteLeft() - 125 < documentText.getAbsoluteLeft())
|
---|
2141 | {
|
---|
2142 | _columnViewBox.getElement().getStyle().setProperty("left", documentText.getAbsoluteLeft() + "px");
|
---|
2143 | }
|
---|
2144 | else if (event.getX() + _label.getAbsoluteLeft() + 125 > documentText.getOffsetWidth() + documentText.getAbsoluteLeft())
|
---|
2145 | {
|
---|
2146 | _columnViewBox.getElement().getStyle().setProperty("left", documentText.getOffsetWidth() + documentText.getAbsoluteLeft() - 250 + "px");
|
---|
2147 | }
|
---|
2148 | else
|
---|
2149 | {
|
---|
2150 | _columnViewBox.getElement().getStyle().setProperty("left", (event.getX() + _label.getAbsoluteLeft() - 125) + "px");
|
---|
2151 | }
|
---|
2152 |
|
---|
2153 | int midWordIndex = (int) (((float) (event.getY()) / ((_label.getAbsoluteTop() + _label.getOffsetHeight()) - _label.getAbsoluteTop())) * _words.size());
|
---|
2154 | int topWord = midWordIndex - 25;
|
---|
2155 | int botWord = midWordIndex + 25;
|
---|
2156 |
|
---|
2157 | if (_words.size() < 50)
|
---|
2158 | {
|
---|
2159 | topWord = 0;
|
---|
2160 | botWord = _words.size();
|
---|
2161 | }
|
---|
2162 | else
|
---|
2163 | {
|
---|
2164 | if (topWord < 0)
|
---|
2165 | {
|
---|
2166 | topWord = 0;
|
---|
2167 | }
|
---|
2168 | else if (topWord > _words.size() - 50)
|
---|
2169 | {
|
---|
2170 | topWord = _words.size() - 50;
|
---|
2171 | }
|
---|
2172 |
|
---|
2173 | if (botWord > _words.size())
|
---|
2174 | {
|
---|
2175 | botWord = _words.size();
|
---|
2176 | }
|
---|
2177 | else if (botWord < 50)
|
---|
2178 | {
|
---|
2179 | botWord = 50;
|
---|
2180 | }
|
---|
2181 | }
|
---|
2182 |
|
---|
2183 | StringBuilder s = new StringBuilder();
|
---|
2184 |
|
---|
2185 | for (int i = topWord; i < botWord; i++)
|
---|
2186 | {
|
---|
2187 | s.append(_words.get(i) + " ");
|
---|
2188 | }
|
---|
2189 |
|
---|
2190 | _columnViewBox.getElement().setInnerHTML(s.toString());
|
---|
2191 | }
|
---|
2192 | }
|
---|
2193 |
|
---|
2194 | public AsyncCallback<Boolean> setUpLoadGazetteerCallback()
|
---|
2195 | {
|
---|
2196 | AsyncCallback<Boolean> callback = new AsyncCallback<Boolean>()
|
---|
2197 | {
|
---|
2198 | public void onFailure(Throwable caught)
|
---|
2199 | {
|
---|
2200 | logToConsole("Loading Gazetteer failed ->" + caught.getMessage());
|
---|
2201 | }
|
---|
2202 |
|
---|
2203 | public void onSuccess(Boolean success)
|
---|
2204 | {
|
---|
2205 | logToConsole("Loading Gazetteer success!");
|
---|
2206 | _statusBar.removeUpdate("GazLoad");
|
---|
2207 | _gazetteerLoaded = true;
|
---|
2208 | }
|
---|
2209 | };
|
---|
2210 |
|
---|
2211 | return callback;
|
---|
2212 | }
|
---|
2213 |
|
---|
2214 | public void createDocumentMenu()
|
---|
2215 | {
|
---|
2216 | // Menu
|
---|
2217 | final Menu documentMenu = new Menu(_footerDiv.getElement(), new MouseOverHandler()
|
---|
2218 | {
|
---|
2219 | public void onMouseOver(MouseOverEvent event)
|
---|
2220 | {
|
---|
2221 | if(_menuOverTimer != null)
|
---|
2222 | {
|
---|
2223 | _menuOverTimer.cancel();
|
---|
2224 | _menuOverTimer = null;
|
---|
2225 | }
|
---|
2226 | Label item = (Label) event.getSource();
|
---|
2227 | item.getElement().getStyle().setProperty("background", "#0000FF");
|
---|
2228 | item.getElement().getStyle().setProperty("color", "#FFFFFF");
|
---|
2229 | item.getElement().getStyle().setProperty("border", "1px solid");
|
---|
2230 | if (_menuOutTimer != null)
|
---|
2231 | {
|
---|
2232 | _menuOutTimer.cancel();
|
---|
2233 | _menuOutTimer = null;
|
---|
2234 | }
|
---|
2235 | }
|
---|
2236 | }, new MouseOutHandler()
|
---|
2237 | {
|
---|
2238 | public void onMouseOut(MouseOutEvent event)
|
---|
2239 | {
|
---|
2240 | // logToConsole("MENU OUT!");
|
---|
2241 | Label item = (Label) event.getSource();
|
---|
2242 | item.getElement().getStyle().setProperty("background", "#FFFFFF");
|
---|
2243 | item.getElement().getStyle().setProperty("color", "#000000");
|
---|
2244 | item.getElement().getStyle().setProperty("border", "1px solid");
|
---|
2245 |
|
---|
2246 | _menuOutTimer = new Timer()
|
---|
2247 | {
|
---|
2248 | public void run()
|
---|
2249 | {
|
---|
2250 | _currentDocumentMenu.hideMenu();
|
---|
2251 | }
|
---|
2252 | };
|
---|
2253 |
|
---|
2254 | _menuOutTimer.schedule(500);
|
---|
2255 | }
|
---|
2256 | });
|
---|
2257 |
|
---|
2258 | // Menu items
|
---|
2259 | ArrayList<MenuItem> menuItems = new ArrayList<MenuItem>();
|
---|
2260 | menuItems.add(new MenuItem("Centre this place on the map", new ClickHandler()
|
---|
2261 | {
|
---|
2262 | public void onClick(ClickEvent event)
|
---|
2263 | {
|
---|
2264 | Place place = null;
|
---|
2265 |
|
---|
2266 | logToConsole("Center clicked, selected place name = " + _selectedPlaceName);
|
---|
2267 |
|
---|
2268 | if ((place = _chosenPlaces.get(_selectedPlaceName)) == null)
|
---|
2269 | {
|
---|
2270 | for (int i = 0; i < _currentPlaces.size(); i++)
|
---|
2271 | {
|
---|
2272 | if (_currentPlaces.get(i).getName().equals(_selectedPlaceName))
|
---|
2273 | {
|
---|
2274 | place = _currentPlaces.get(i);
|
---|
2275 | break;
|
---|
2276 | }
|
---|
2277 | }
|
---|
2278 | }
|
---|
2279 |
|
---|
2280 | if (place != null && place.getLatitude() != null && place.getLongitude() != null)
|
---|
2281 | {
|
---|
2282 | logToConsole("Centering map");
|
---|
2283 | _map.setCenter(LatLng.newInstance(place.getLatitude(), place.getLongitude()));
|
---|
2284 | }
|
---|
2285 |
|
---|
2286 | _currentDocumentMenu.hideMenu();
|
---|
2287 | }
|
---|
2288 | }));
|
---|
2289 |
|
---|
2290 | menuItems.add(new MenuItem("Highlight this place on the map", new ClickHandler()
|
---|
2291 | {
|
---|
2292 | public void onClick(ClickEvent event)
|
---|
2293 | {
|
---|
2294 | _highlightedPlaces.add(_selectedPlaceName);
|
---|
2295 | _map.clearOverlays();
|
---|
2296 | logToConsole("Overlays cleared");
|
---|
2297 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", false);
|
---|
2298 | logToConsole("Places added");
|
---|
2299 |
|
---|
2300 | _currentDocumentMenu.hideMenu();
|
---|
2301 | }
|
---|
2302 | }));
|
---|
2303 |
|
---|
2304 | menuItems.add(new MenuItem("Highlight this place in the text", new ClickHandler()
|
---|
2305 | {
|
---|
2306 | public void onClick(ClickEvent event)
|
---|
2307 | {
|
---|
2308 | _highlightedTextPlaces.add(_selectedPlaceName);
|
---|
2309 |
|
---|
2310 | JsArray<Element> places = getElementsByTagName("span");
|
---|
2311 |
|
---|
2312 | for (int i = 0; i < places.length(); i++)
|
---|
2313 | {
|
---|
2314 | Element e = places.get(i);
|
---|
2315 |
|
---|
2316 | if (e.getClassName() == "place" && e.getInnerText() == _selectedPlaceName)
|
---|
2317 | {
|
---|
2318 | e.getStyle().setProperty("background", "#FF0000");
|
---|
2319 | }
|
---|
2320 | }
|
---|
2321 |
|
---|
2322 | _currentDocumentMenu.hideMenu();
|
---|
2323 | }
|
---|
2324 | }));
|
---|
2325 |
|
---|
2326 | menuItems.add(new MenuItem("Remove all highlights", new ClickHandler()
|
---|
2327 | {
|
---|
2328 | public void onClick(ClickEvent event)
|
---|
2329 | {
|
---|
2330 | _highlightedPlaces.clear();
|
---|
2331 |
|
---|
2332 | _map.clearOverlays();
|
---|
2333 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", false);
|
---|
2334 |
|
---|
2335 | JsArray<Element> places = getElementsByTagName("span");
|
---|
2336 |
|
---|
2337 | for (int i = 0; i < places.length(); i++)
|
---|
2338 | {
|
---|
2339 | Element e = places.get(i);
|
---|
2340 |
|
---|
2341 | if (e.getClassName() == "place" && _highlightedTextPlaces.contains(e.getInnerText()))
|
---|
2342 | {
|
---|
2343 | e.getStyle().setProperty("background", "#FFFF00");
|
---|
2344 | }
|
---|
2345 | }
|
---|
2346 | _highlightedTextPlaces.clear();
|
---|
2347 |
|
---|
2348 | _currentDocumentMenu.hideMenu();
|
---|
2349 | }
|
---|
2350 | }));
|
---|
2351 |
|
---|
2352 | final MenuItem prevMenuItem = new MenuItem("Remove this place", new ClickHandler()
|
---|
2353 | {
|
---|
2354 | public void onClick(ClickEvent event)
|
---|
2355 | {
|
---|
2356 | _removedPlaces.add(_selectedPlaceName);
|
---|
2357 | _currentDocumentMenu.hideMenu();
|
---|
2358 |
|
---|
2359 | JsArray<Element> textPlaces = getElementsByTagName("span");
|
---|
2360 |
|
---|
2361 | //Add the place spans to the array
|
---|
2362 | for (int j = 0; j < textPlaces.length(); j++)
|
---|
2363 | {
|
---|
2364 | Element e = textPlaces.get(j);
|
---|
2365 | if (e.getAttribute("class").equals("place") && e.getInnerText().equals(_selectedPlaceName))
|
---|
2366 | {
|
---|
2367 | e.getParentElement().insertBefore(e.getFirstChild(), e);
|
---|
2368 | }
|
---|
2369 | }
|
---|
2370 |
|
---|
2371 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", false);
|
---|
2372 | }
|
---|
2373 | });
|
---|
2374 | menuItems.add(prevMenuItem);
|
---|
2375 |
|
---|
2376 | menuItems.add(new MenuItem("Choose correct place >", new ClickHandler()
|
---|
2377 | {
|
---|
2378 | public void onClick(ClickEvent event)
|
---|
2379 | {
|
---|
2380 | logToConsole("MARKER!");
|
---|
2381 | ArrayList<MenuItem> places = new ArrayList<MenuItem>();
|
---|
2382 |
|
---|
2383 | ArrayList<Place> matchingPlaces = new ArrayList<Place>();
|
---|
2384 |
|
---|
2385 | for (Place p : _currentPlaces)
|
---|
2386 | {
|
---|
2387 | if (p.getName().equals(_selectedPlaceName))
|
---|
2388 | {
|
---|
2389 | matchingPlaces.add(p);
|
---|
2390 | }
|
---|
2391 | }
|
---|
2392 |
|
---|
2393 | for (final Place p : matchingPlaces)
|
---|
2394 | {
|
---|
2395 | places.add(new MenuItem(p.getName() + ((p.getParentPlaceName() != null) ? (", " + p.getParentPlaceName()) : (" (Country)")), new ClickHandler()
|
---|
2396 | {
|
---|
2397 | public void onClick(ClickEvent e)
|
---|
2398 | {
|
---|
2399 | _chosenPlaces.put(_selectedPlaceName, p);
|
---|
2400 |
|
---|
2401 | _map.clearOverlays();
|
---|
2402 | logToConsole("Chose a new place!!!");
|
---|
2403 | addPlacesToMap(_currentPlaces, "#FFFFFF", "#00FF00", false);
|
---|
2404 | logToConsole("Places added!!!");
|
---|
2405 |
|
---|
2406 | _currentDocumentMenu.hideMenu();
|
---|
2407 | }
|
---|
2408 | }));
|
---|
2409 | }
|
---|
2410 |
|
---|
2411 | Menu placeMenu = new Menu(_footerDiv.getElement(), new MouseOverHandler()
|
---|
2412 | {
|
---|
2413 | public void onMouseOver(MouseOverEvent event)
|
---|
2414 | {
|
---|
2415 | Label item = (Label) event.getSource();
|
---|
2416 | item.getElement().getStyle().setProperty("background", "#0000FF");
|
---|
2417 | item.getElement().getStyle().setProperty("color", "#FFFFFF");
|
---|
2418 | if (_menuOutTimer != null)
|
---|
2419 | {
|
---|
2420 | _menuOutTimer.cancel();
|
---|
2421 | _menuOutTimer = null;
|
---|
2422 | }
|
---|
2423 | }
|
---|
2424 | }, new MouseOutHandler()
|
---|
2425 | {
|
---|
2426 | public void onMouseOut(MouseOutEvent event)
|
---|
2427 | {
|
---|
2428 | Label item = (Label) event.getSource();
|
---|
2429 | item.getElement().getStyle().setProperty("background", "#FFFFFF");
|
---|
2430 | item.getElement().getStyle().setProperty("color", "#000000");
|
---|
2431 |
|
---|
2432 | _menuOutTimer = new Timer()
|
---|
2433 | {
|
---|
2434 | public void run()
|
---|
2435 | {
|
---|
2436 | _currentDocumentMenu.hideMenu();
|
---|
2437 | }
|
---|
2438 | };
|
---|
2439 |
|
---|
2440 | _menuOutTimer.schedule(500);
|
---|
2441 | }
|
---|
2442 | });
|
---|
2443 |
|
---|
2444 | documentMenu.addChildMenu(placeMenu);
|
---|
2445 | placeMenu.addMenuItems(places);
|
---|
2446 | placeMenu.moveMenu(_currentDocumentMenu.getMenuDiv().getAbsoluteLeft() + _currentDocumentMenu.getMenuDiv().getOffsetWidth(), prevMenuItem.getMenuElement().getAbsoluteTop() + prevMenuItem.getMenuElement().getOffsetHeight() - 2);
|
---|
2447 | placeMenu.showMenu();
|
---|
2448 | }
|
---|
2449 | }){
|
---|
2450 | public boolean condition()
|
---|
2451 | {
|
---|
2452 | ArrayList<Place> matchingPlaces = new ArrayList<Place>();
|
---|
2453 |
|
---|
2454 | if(_currentPlaces == null || _currentPlaces.size() == 0)
|
---|
2455 | {
|
---|
2456 | return false;
|
---|
2457 | }
|
---|
2458 |
|
---|
2459 | for (Place p : _currentPlaces)
|
---|
2460 | {
|
---|
2461 | if (p.getName().equals(_selectedPlaceName))
|
---|
2462 | {
|
---|
2463 | matchingPlaces.add(p);
|
---|
2464 | }
|
---|
2465 | }
|
---|
2466 |
|
---|
2467 | if(matchingPlaces.size() > 1)
|
---|
2468 | {
|
---|
2469 | return true;
|
---|
2470 | }
|
---|
2471 | return false;
|
---|
2472 | }
|
---|
2473 | });
|
---|
2474 |
|
---|
2475 | documentMenu.addMenuItems(menuItems);
|
---|
2476 | documentMenu.hideMenu();
|
---|
2477 | _currentDocumentMenu = documentMenu;
|
---|
2478 | }
|
---|
2479 |
|
---|
2480 | public void startDocumentMouseOverTimer(final int x, final int y)
|
---|
2481 | {
|
---|
2482 | _documentMouseOverTimer = new Timer()
|
---|
2483 | {
|
---|
2484 | public void run()
|
---|
2485 | {
|
---|
2486 | _currentDocumentMenu.moveMenu(x, y);
|
---|
2487 | _currentDocumentMenu.showMenu();
|
---|
2488 |
|
---|
2489 | _documentMouseOverTimer = null;
|
---|
2490 | }
|
---|
2491 | };
|
---|
2492 |
|
---|
2493 | _documentMouseOverTimer.schedule(1000);
|
---|
2494 | }
|
---|
2495 |
|
---|
2496 | /**
|
---|
2497 | * Gets the document text element from the web page
|
---|
2498 | * @return the document text element
|
---|
2499 | */
|
---|
2500 | public Element getDocTextElement()
|
---|
2501 | {
|
---|
2502 | JsArray<Element> divs = getElementsByTagName("div");
|
---|
2503 |
|
---|
2504 | Element documentText = null;
|
---|
2505 | for (int i = 0; i < divs.length(); i++)
|
---|
2506 | {
|
---|
2507 | if (divs.get(i).getAttribute("class").equals("documenttext"))
|
---|
2508 | {
|
---|
2509 | documentText = divs.get(i);
|
---|
2510 | break;
|
---|
2511 | }
|
---|
2512 | }
|
---|
2513 |
|
---|
2514 | return documentText;
|
---|
2515 | }
|
---|
2516 |
|
---|
2517 | public void addElementsToSearchResults(ArrayList<ArrayList<Place>> places)
|
---|
2518 | {
|
---|
2519 | JsArray<Element> elements = getElementsByTagName("li");
|
---|
2520 | ArrayList<Element> listElements = new ArrayList<Element>();
|
---|
2521 |
|
---|
2522 | for (int i = 0; i < elements.length(); i++)
|
---|
2523 | {
|
---|
2524 | if (elements.get(i).getAttribute("class").equals("document"))
|
---|
2525 | {
|
---|
2526 | listElements.add(elements.get(i));
|
---|
2527 | }
|
---|
2528 | }
|
---|
2529 |
|
---|
2530 | for (int i = 0; i < listElements.size(); i++)
|
---|
2531 | {
|
---|
2532 | Element span = DOM.createSpan();
|
---|
2533 | listElements.get(i).insertBefore(span, listElements.get(i).getFirstChild());
|
---|
2534 | span.getStyle().setBackgroundColor(numToColour(i, listElements.size(), 100, 255));
|
---|
2535 | span.getStyle().setColor(numToColour(i, listElements.size(), 100, 255));
|
---|
2536 | span.setInnerText("...");
|
---|
2537 |
|
---|
2538 | Element checkBoxSpan = DOM.createSpan();
|
---|
2539 | listElements.get(i).insertBefore(checkBoxSpan, listElements.get(i).getFirstChild());
|
---|
2540 | checkBoxSpan.setId("Result" + i);
|
---|
2541 |
|
---|
2542 | CheckBox c = new CheckBox();
|
---|
2543 | c.setValue(true);
|
---|
2544 | c.addValueChangeHandler(new SearchResultsCheckBoxChangeHandler(i));
|
---|
2545 | RootPanel.get("Result" + i).add(c);
|
---|
2546 | }
|
---|
2547 | }
|
---|
2548 |
|
---|
2549 | public class SearchResultsCheckBoxChangeHandler implements ValueChangeHandler<Boolean>
|
---|
2550 | {
|
---|
2551 | int _index = -1;
|
---|
2552 |
|
---|
2553 | public SearchResultsCheckBoxChangeHandler(int index)
|
---|
2554 | {
|
---|
2555 | _index = index;
|
---|
2556 | }
|
---|
2557 |
|
---|
2558 | public void onValueChange(ValueChangeEvent<Boolean> event)
|
---|
2559 | {
|
---|
2560 | if (event.getValue())
|
---|
2561 | {
|
---|
2562 | _visiblePlaceSets.set(_index, true);
|
---|
2563 | }
|
---|
2564 | else
|
---|
2565 | {
|
---|
2566 | _visiblePlaceSets.set(_index, false);
|
---|
2567 | }
|
---|
2568 |
|
---|
2569 | _map.clearOverlays();
|
---|
2570 | displayMultiplePlaceSets();
|
---|
2571 | }
|
---|
2572 | }
|
---|
2573 |
|
---|
2574 | public class DocumentOverHandler implements MouseOverHandler
|
---|
2575 | {
|
---|
2576 | int _index = -1;
|
---|
2577 |
|
---|
2578 | public DocumentOverHandler(int index)
|
---|
2579 | {
|
---|
2580 | _index = index;
|
---|
2581 | }
|
---|
2582 |
|
---|
2583 | public void onMouseOver(MouseOverEvent event)
|
---|
2584 | {
|
---|
2585 | Label currentLabel = (Label) event.getSource();
|
---|
2586 | currentLabel.setStyleName("placeOver");
|
---|
2587 |
|
---|
2588 | startDocumentMouseOverTimer(event.getX() + currentLabel.getAbsoluteLeft(), event.getY() + currentLabel.getAbsoluteTop());
|
---|
2589 | }
|
---|
2590 | }
|
---|
2591 |
|
---|
2592 | public class PlaceMouseOverHandler implements MouseOverHandler
|
---|
2593 | {
|
---|
2594 | public void onMouseOver(MouseOverEvent event)
|
---|
2595 | {
|
---|
2596 | Label currentLabel = (Label) event.getSource();
|
---|
2597 | currentLabel.setStyleName("placeOver");
|
---|
2598 |
|
---|
2599 | _selectedPlaceName = currentLabel.getElement().getInnerText();
|
---|
2600 |
|
---|
2601 | startPlaceMouseOverTimer(event.getX() + currentLabel.getAbsoluteLeft(), event.getY() + currentLabel.getAbsoluteTop());
|
---|
2602 | }
|
---|
2603 | }
|
---|
2604 |
|
---|
2605 | public class PlaceMouseOutHandler implements MouseOutHandler
|
---|
2606 | {
|
---|
2607 | public void onMouseOut(MouseOutEvent event)
|
---|
2608 | {
|
---|
2609 | Label currentLabel = (Label) event.getSource();
|
---|
2610 | currentLabel.setStyleName("place");
|
---|
2611 |
|
---|
2612 | if (_placeMouseOverTimer != null)
|
---|
2613 | {
|
---|
2614 | _placeMouseOverTimer.cancel();
|
---|
2615 | _placeMouseOverTimer = null;
|
---|
2616 | }
|
---|
2617 | }
|
---|
2618 | }
|
---|
2619 |
|
---|
2620 | public class PlaceMouseUpHandler implements MouseUpHandler
|
---|
2621 | {
|
---|
2622 | public void onMouseUp(MouseUpEvent event)
|
---|
2623 | {
|
---|
2624 | Label currentLabel = (Label) event.getSource();
|
---|
2625 | currentLabel.setStyleName("place");
|
---|
2626 | if(event.getNativeButton() == NativeEvent.BUTTON_LEFT)
|
---|
2627 | {
|
---|
2628 | String placeName = currentLabel.getText();
|
---|
2629 | Place place = _chosenPlaces.get(placeName);
|
---|
2630 |
|
---|
2631 | if(place == null)
|
---|
2632 | {
|
---|
2633 | for(Place p : _currentPlaces)
|
---|
2634 | {
|
---|
2635 | if(p.getName().equals(placeName))
|
---|
2636 | {
|
---|
2637 | place = p;
|
---|
2638 | break;
|
---|
2639 | }
|
---|
2640 | }
|
---|
2641 | }
|
---|
2642 |
|
---|
2643 | if(place != null && place.getLatitude() != null && place.getLongitude() != null)
|
---|
2644 | {
|
---|
2645 | _map.setCenter(LatLng.newInstance(place.getLatitude(), place.getLongitude()));
|
---|
2646 | }
|
---|
2647 | }
|
---|
2648 | /*
|
---|
2649 | else if(event.getNativeButton() == NativeEvent.BUTTON_RIGHT)
|
---|
2650 | {
|
---|
2651 | _currentDocumentMenu.moveMenu(event.getX() + currentLabel.getAbsoluteLeft(), event.getY() + currentLabel.getAbsoluteTop());
|
---|
2652 | _currentDocumentMenu.showMenu();
|
---|
2653 | }
|
---|
2654 | */
|
---|
2655 | }
|
---|
2656 | }
|
---|
2657 |
|
---|
2658 | public void startPlaceMouseOverTimer(final int x, final int y)
|
---|
2659 | {
|
---|
2660 | _placeMouseOverTimer = new Timer()
|
---|
2661 | {
|
---|
2662 | public void run()
|
---|
2663 | {
|
---|
2664 | _currentDocumentMenu.refreshMenu();
|
---|
2665 | _currentDocumentMenu.moveMenu(x, y);
|
---|
2666 | _currentDocumentMenu.showMenu();
|
---|
2667 |
|
---|
2668 | _menuOverTimer = new Timer()
|
---|
2669 | {
|
---|
2670 | public void run()
|
---|
2671 | {
|
---|
2672 | _menuOverTimer = null;
|
---|
2673 | _currentDocumentMenu.hideMenu();
|
---|
2674 | }
|
---|
2675 | };
|
---|
2676 | _menuOverTimer.schedule(4000);
|
---|
2677 |
|
---|
2678 | _placeMouseOverTimer = null;
|
---|
2679 | }
|
---|
2680 | };
|
---|
2681 |
|
---|
2682 | _placeMouseOverTimer.schedule(1000);
|
---|
2683 | }
|
---|
2684 |
|
---|
2685 | public class FishEyeMouseMoveHandler implements MouseMoveHandler
|
---|
2686 | {
|
---|
2687 | public void onMouseMove(MouseMoveEvent e)
|
---|
2688 | {
|
---|
2689 | if (!_mouseEventPause)
|
---|
2690 | {
|
---|
2691 | _mouseEventPause = true;
|
---|
2692 | passMouseCoordsToFishEye(e.getY());
|
---|
2693 | Timer pauseTimer = new Timer()
|
---|
2694 | {
|
---|
2695 | public void run()
|
---|
2696 | {
|
---|
2697 | _mouseEventPause = false;
|
---|
2698 | }
|
---|
2699 | };
|
---|
2700 | pauseTimer.schedule(50);
|
---|
2701 | }
|
---|
2702 | }
|
---|
2703 | }
|
---|
2704 |
|
---|
2705 | /**
|
---|
2706 | * This class contains methods that initialise and control the spatial search controls present on the map during a spatial search
|
---|
2707 | */
|
---|
2708 | public class SpatialSearchControls extends CustomControl
|
---|
2709 | {
|
---|
2710 | /**
|
---|
2711 | * Inherited parent constructor
|
---|
2712 | */
|
---|
2713 | protected SpatialSearchControls(ControlPosition arg0)
|
---|
2714 | {
|
---|
2715 | super(arg0);
|
---|
2716 | }
|
---|
2717 |
|
---|
2718 | /**
|
---|
2719 | * Second inherited parent constructor
|
---|
2720 | */
|
---|
2721 | protected SpatialSearchControls(ControlPosition arg0, boolean arg1, boolean arg2)
|
---|
2722 | {
|
---|
2723 | super(arg0, arg1, arg2);
|
---|
2724 | }
|
---|
2725 |
|
---|
2726 | /**
|
---|
2727 | * Initialises the control buttons
|
---|
2728 | */
|
---|
2729 | protected Widget initialize(MapWidget map)
|
---|
2730 | {
|
---|
2731 | //Create the panel to store the buttons
|
---|
2732 | HorizontalPanel panel = new HorizontalPanel();
|
---|
2733 |
|
---|
2734 | //Create the button that clears the user's currently created points
|
---|
2735 | Button clearButton = new Button("Clear Points", new ClickHandler()
|
---|
2736 | {
|
---|
2737 | public void onClick(ClickEvent event)
|
---|
2738 | {
|
---|
2739 | _areaPoints.clear();
|
---|
2740 | _map.clearOverlays();
|
---|
2741 | }
|
---|
2742 | });
|
---|
2743 |
|
---|
2744 | //Create the button the performs the spatial search
|
---|
2745 | Button performSearch = new Button("Search Area", new ClickHandler()
|
---|
2746 | {
|
---|
2747 | public void onClick(ClickEvent event)
|
---|
2748 | {
|
---|
2749 | //If the users has marked less than 3 points on the map then we cannot perform a spatial search
|
---|
2750 | if (_areaPoints.size() < 3)
|
---|
2751 | {
|
---|
2752 | //Show an error message on the status bar
|
---|
2753 | _statusBar.removeUpdate("SpatialWarn");
|
---|
2754 | _statusBar.addUpdate("A minimum of 3 points is needed on the map to perform a spatial search", "SpatialWarn");
|
---|
2755 |
|
---|
2756 | //Remove the message after 5 seconds
|
---|
2757 | Timer warningRemoveTimer = new Timer()
|
---|
2758 | {
|
---|
2759 | public void run()
|
---|
2760 | {
|
---|
2761 | _statusBar.removeUpdate("SpatialWarn");
|
---|
2762 | }
|
---|
2763 | };
|
---|
2764 | warningRemoveTimer.schedule(5000);
|
---|
2765 |
|
---|
2766 | return;
|
---|
2767 | }
|
---|
2768 |
|
---|
2769 | ArrayList<Float[]> points = new ArrayList<Float[]>();
|
---|
2770 |
|
---|
2771 | //Turn the points into a list of float arrays
|
---|
2772 | for (LatLng point : _areaPoints)
|
---|
2773 | {
|
---|
2774 | points.add(new Float[] { (float) point.getLatitude(), (float) point.getLongitude() });
|
---|
2775 | }
|
---|
2776 |
|
---|
2777 | //Ask the server to perform the spatial search
|
---|
2778 | _findPlaceService.spatialSearch(points, getSpatialSearchCallback());
|
---|
2779 | }
|
---|
2780 | });
|
---|
2781 |
|
---|
2782 | //Add the two buttons to the panel
|
---|
2783 | panel.add(clearButton);
|
---|
2784 | panel.add(performSearch);
|
---|
2785 |
|
---|
2786 | return panel;
|
---|
2787 | }
|
---|
2788 |
|
---|
2789 | /**
|
---|
2790 | * Creates and returns the callback necessary to perform a spatial search on the server
|
---|
2791 | * @return the callback object
|
---|
2792 | */
|
---|
2793 | public AsyncCallback<ArrayList<String>> getSpatialSearchCallback()
|
---|
2794 | {
|
---|
2795 | return new AsyncCallback<ArrayList<String>>()
|
---|
2796 | {
|
---|
2797 | /**
|
---|
2798 | * If the call to the server failed then this is called
|
---|
2799 | * @see com.google.gwt.user.client.rpc.AsyncCallback#onFailure(java.lang.Throwable)
|
---|
2800 | */
|
---|
2801 | public void onFailure(Throwable arg0)
|
---|
2802 | {
|
---|
2803 | logToConsole("Spatial search FAIL!");
|
---|
2804 | }
|
---|
2805 |
|
---|
2806 | /**
|
---|
2807 | * If the call to the server succeeded then this is called
|
---|
2808 | * @param placeNames is the places found within the spatial search polygon
|
---|
2809 | */
|
---|
2810 | public void onSuccess(ArrayList<String> placeNames)
|
---|
2811 | {
|
---|
2812 | logToConsole("Spatial search Success!");
|
---|
2813 |
|
---|
2814 | //Create the query to pass to Greenstone
|
---|
2815 | StringBuffer query = new StringBuffer();
|
---|
2816 | for (int j = 0; j < placeNames.size() && j < 20; j++)
|
---|
2817 | {
|
---|
2818 | if (j == 0)
|
---|
2819 | {
|
---|
2820 | query.append(placeNames.get(j).replaceAll(" ", "+").replaceAll("-", "+"));
|
---|
2821 | }
|
---|
2822 | else
|
---|
2823 | {
|
---|
2824 | query.append("+" + placeNames.get(j).replaceAll(" ", "+").replaceAll("-", "+"));
|
---|
2825 | }
|
---|
2826 | }
|
---|
2827 |
|
---|
2828 | logToConsole("Query -> " + query);
|
---|
2829 | logToConsole("Collection -> " + _currentCollection);
|
---|
2830 |
|
---|
2831 | //Create an invisible form
|
---|
2832 | FormPanel form = new FormPanel();
|
---|
2833 | form.setAction(_GREENSTONEDEVURL);
|
---|
2834 | form.setMethod(FormPanel.METHOD_POST);
|
---|
2835 | form.getElement().setAttribute("target", "_self");
|
---|
2836 |
|
---|
2837 | VerticalPanel tempForm = new VerticalPanel();
|
---|
2838 | form.setWidget(tempForm);
|
---|
2839 |
|
---|
2840 | tempFrameGetElementsByTagName("body").get(0).appendChild(form.getElement());
|
---|
2841 |
|
---|
2842 | logToConsole("Adding hidden form elements");
|
---|
2843 |
|
---|
2844 | Hidden a = new Hidden("a", "q");
|
---|
2845 | tempForm.add(a);
|
---|
2846 | Hidden sa = new Hidden("sa");
|
---|
2847 | tempForm.add(sa);
|
---|
2848 | Hidden rt = new Hidden("rt", "rd");
|
---|
2849 | tempForm.add(rt);
|
---|
2850 | Hidden s = new Hidden("s", "TextQuery");
|
---|
2851 | tempForm.add(s);
|
---|
2852 | Hidden c = new Hidden("c", _currentCollection);
|
---|
2853 | tempForm.add(c);
|
---|
2854 | Hidden startPage = new Hidden("startPage", "1");
|
---|
2855 | tempForm.add(startPage);
|
---|
2856 | Hidden s1level = new Hidden("s1.level", "Sec");
|
---|
2857 | tempForm.add(s1level);
|
---|
2858 | Hidden s1case = new Hidden("s1.case", "1");
|
---|
2859 | tempForm.add(s1case);
|
---|
2860 | Hidden s1stem = new Hidden("s1.stem", "0");
|
---|
2861 | tempForm.add(s1stem);
|
---|
2862 | Hidden s1accent = new Hidden("s1.accent", "0");
|
---|
2863 | tempForm.add(s1accent);
|
---|
2864 | Hidden s1matchMode = new Hidden("s1.matchMode", "some");
|
---|
2865 | tempForm.add(s1matchMode);
|
---|
2866 | Hidden s1sort = new Hidden("s1.sortBy", "1");
|
---|
2867 | tempForm.add(s1sort);
|
---|
2868 | Hidden s1index = new Hidden("s1.index", "ZZ");
|
---|
2869 | tempForm.add(s1index);
|
---|
2870 | Hidden s1maxDocs = new Hidden("s1.maxDocs", "100");
|
---|
2871 | tempForm.add(s1maxDocs);
|
---|
2872 | Hidden s1query = new Hidden("s1.query", query.toString());
|
---|
2873 | tempForm.add(s1query);
|
---|
2874 |
|
---|
2875 | logToConsole("Submitting");
|
---|
2876 |
|
---|
2877 | form.submit();
|
---|
2878 |
|
---|
2879 | logToConsole("Loading results page");
|
---|
2880 |
|
---|
2881 | loadPageWithoutUrl();
|
---|
2882 | }
|
---|
2883 | };
|
---|
2884 | }
|
---|
2885 |
|
---|
2886 | public boolean isSelectable()
|
---|
2887 | {
|
---|
2888 | return false;
|
---|
2889 | }
|
---|
2890 | }
|
---|
2891 |
|
---|
2892 | public static FindPlaceServiceAsync getServerConnection()
|
---|
2893 | {
|
---|
2894 | return _findPlaceService;
|
---|
2895 | }
|
---|
2896 | } |
---|