1 | var mapEnabled = true; // variable to detect when map-scripts have been included into document_scripts.js and classifier_scripts.js
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2 |
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3 | //var newLat, newLng = 0;
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4 | var _docList = new Array();
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5 | _docList.ids = new Array();
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6 | _docList.getDocByIndex = function(index)
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7 | {
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8 | return _docList[_docList.ids[index]];
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9 | };
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10 |
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11 | var _map;
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12 | var _intervalHandle;
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13 | var _baseURL = document.URL.substring(0, document.URL.indexOf("?") + 1);
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14 | var _retrievedClassifiers = new Array();
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15 | var _preventLoopingSingleMarker = false;
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16 | var _searchRunning = false;
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17 | var _nearbyDocs = new Array();
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18 | var _scrollThroughDefault = true; // TODO: default starts at true
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19 |
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20 | function initializeMapScripts()
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21 | {
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22 | //console.log("@@@@ initializeMapScripts()");
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23 |
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24 | var jsonNodeDiv = $("#jsonNodes");
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25 | if(jsonNodeDiv.length)
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26 | {
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27 | //console.log("@@@ JSON node div html: " + jsonNodeDiv.html());
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28 | var jsonNodes = eval(jsonNodeDiv.html());
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29 |
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30 | renderMap();
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31 | if(jsonNodes && jsonNodes.length > 0)
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32 | {
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33 | for(var i = 0; i < jsonNodes.length; i++)
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34 | {
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35 | _docList[jsonNodes[i].nodeID] = jsonNodes[i];
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36 | _docList.ids.push(jsonNodes[i].nodeID);
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37 | createMarkers(jsonNodes[i], true);
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38 | }
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39 | updateMap();
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40 | }
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41 | else
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42 | {
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43 | //hiding the map
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44 | mapEnabled = false;
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45 | $("#map_canvas").css({display:"none"});
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46 | return;
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47 | }
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48 | }
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49 | _docList.loopIndex = 0;
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50 |
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51 | if(_docList.ids.length > 1)
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52 | {
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53 | var startStopCheckbox = $("<input>", {"type": "checkbox", "checked": _scrollThroughDefault, "id": "scrollCheckbox"});
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54 | startStopCheckbox.click(function()
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55 | {
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56 | // http://stackoverflow.com/questions/901712/how-to-check-if-a-checkbox-is-checked-in-jquery
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57 | // http://stackoverflow.com/questions/5270689/attrchecked-checked-does-not-work
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58 |
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59 | if($('#scrollCheckbox').is(':checked')) // OR: if(document.getElementById('scrollCheckbox').checked)
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60 | {
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61 | if(_intervalHandle == null)
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62 | {
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63 | _intervalHandle = setInterval(loopThroughMarkers, 2000);
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64 | }
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65 | }
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66 | else
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67 | {
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68 | clearInterval(_intervalHandle);
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69 | _intervalHandle = null;
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70 | }
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71 | });
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72 |
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73 | var label = $("<span>Scroll through places</span>");
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74 | var container = $("<div>", {"class": "ui-widget-header ui-corner-all", "style": "clear:right; float:right; padding:0px 5px 3px 0px;"});
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75 | container.append(startStopCheckbox);
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76 | container.append(label);
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77 |
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78 | $(container).insertAfter("#map_canvas");
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79 |
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80 | if (_scrollThroughDefault) {
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81 | _intervalHandle = setInterval(loopThroughMarkers, 2000);
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82 | }
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83 |
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84 | }
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85 | }
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86 |
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87 | function renderMap()
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88 | {
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89 | //console.log("@@@@in map-scripts::renderMap()");
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90 | var myOptions =
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91 | {
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92 | zoom: 2,
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93 | center: new google.maps.LatLng(0, 0),
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94 | mapTypeId: google.maps.MapTypeId.HYBRID
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95 | };
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96 | var $map_canvas = $("#map_canvas");
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97 |
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98 | if ($map_canvas.length > 0) {
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99 | //console.log("docList is " + _docList.toString());
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100 | _map = new google.maps.Map($map_canvas[0], myOptions);
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101 | //console.log("@@@ created Google _map");
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102 |
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103 | google.maps.event.addListener(_map, 'bounds_changed', performSearchForMarkers);
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104 | }
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105 | }
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106 |
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107 | function performSearchForMarkers()
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108 | {
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109 | //console.log("@@@ performSearchForMarkers()");
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110 |
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111 | var bounds = _map.getBounds();
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112 | var ne = bounds.getNorthEast();
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113 | var sw = bounds.getSouthWest();
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114 |
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115 | //console.log("bounds: ne = " + ne + ", sw = " + sw);
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116 |
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117 |
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118 | if(_searchRunning)
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119 | {
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120 | //console.log("*** performSearchForMarkers(): already running search => not initiating an additional search");
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121 | return;
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122 | }
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123 |
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124 |
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125 | _searchRunning = true;
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126 |
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127 | var bounds = _map.getBounds();
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128 |
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129 | var neLat = bounds.getNorthEast().lat();
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130 | var neLng = bounds.getNorthEast().lng();
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131 | var swLat = bounds.getSouthWest().lat();
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132 | var swLng = bounds.getSouthWest().lng();
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133 |
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134 | var latDistance = neLat - swLat;
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135 | var lngDistance = neLng - swLng;
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136 |
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137 | //Check which increment to use for latitude (i.e. 0.001, 0.01, 0.1 or 1 degree increments)
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138 | var latDelta;
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139 | var latPrecision;
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140 | for(var i = 3; i >= 0; i--)
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141 | {
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142 | latDelta = (1 / Math.pow(10, i));
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143 | if((latDistance / latDelta) <= 5 || latDelta == 1)
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144 | {
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145 | latPrecision = i;
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146 | break;
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147 | }
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148 | }
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149 |
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150 | //Check which increment to use for longitude (i.e. 0.001, 0.01, 0.1 or 1 degree increments)
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151 | var lngDelta;
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152 | var lngPrecision;
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153 | for(var i = 3; i >= 0; i--)
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154 | {
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155 | lngDelta = (1 / Math.pow(10, i));
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156 | if((lngDistance / lngDelta) <= 5 || lngDelta == 1)
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157 | {
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158 | lngPrecision = i;
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159 | break;
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160 | }
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161 | }
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162 |
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163 | if(latDelta == 0.1){latDelta = 1; latPrecision = 0; }
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164 | if(lngDelta == 0.1){lngDelta = 1; lngPrecision = 0; }
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165 |
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166 | /*
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167 | var query = "";
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168 | for(var i = 0; i <= Math.floor(latDistance / latDelta) + 1; i++)
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169 | {
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170 | for(var j = 0; j <= Math.floor(lngDistance / lngDelta) + 1; j++)
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171 | {
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172 | //Some necessary variables
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173 | var newLat = neLat - (latDelta * i);
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174 | var newLatString = "" + newLat;
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175 | var newLatTrunc;
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176 | if(newLat < 0){newLatTrunc = Math.ceil(newLat);}
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177 | else{newLatTrunc = Math.floor(newLat);}
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178 |
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179 | var newLng = neLng - (lngDelta * j);
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180 | var newLngString = "" + newLng;
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181 | var newLngTrunc;
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182 | if(newLng < 0){newLngTrunc = Math.ceil(newLng);}
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183 | else{newLngTrunc = Math.floor(newLng);}
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184 |
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185 | //Construct query
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186 | query += "(";
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187 | query += "LA:" + coordToAbsDirected(newLatTrunc, "lat");
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188 | if(latDelta != 1)
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189 | {
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190 | query += "+AND+";
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191 | query += "LA:" + newLatString.substring(newLatString.indexOf(".") + 1, newLatString.indexOf(".") + latPrecision + 1);
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192 | }
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193 | query += "+AND+";
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194 | query += "LN:" + coordToAbsDirected(newLngTrunc, "lng");
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195 | if(lngDelta != 1)
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196 | {
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197 | query += "+AND+";
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198 | query += "LN:" + newLngString.substring(newLngString.indexOf(".") + 1, newLngString.indexOf(".") + lngPrecision + 1);
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199 | }
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200 | query += ")";
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201 |
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202 | if(i != (Math.floor(latDistance / latDelta) + 1) || j != (Math.floor(lngDistance / lngDelta) + 1)){ query += "+OR+"; }
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203 | }
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204 | }
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205 | */
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206 | var query = "";
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207 | var iMax = Math.floor(latDistance / latDelta) + 1;
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208 | var jMax = Math.floor(lngDistance / lngDelta) + 1;
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209 | for(var i = 0; i <= iMax; i++) //for(var i = 0; i <= Math.floor(latDistance / latDelta) + 1; i++)
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210 | {
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211 | for(var j = 0; j <= jMax; j++) //for(var j = 0; j <= Math.floor(lngDistance / lngDelta) + 1; j++)
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212 | {
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213 | //Some necessary variables
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214 | var newLat = neLat - (latDelta * i);
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215 | var newLatString = "" + newLat;
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216 | var newLatTrunc;
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217 | if(newLat < 0){newLatTrunc = Math.ceil(newLat);}
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218 | else{newLatTrunc = Math.floor(newLat);}
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219 |
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220 | var newLng = neLng - (lngDelta * j);
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221 | var newLngString = "" + newLng;
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222 | var newLngTrunc;
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223 | if(newLng < 0){newLngTrunc = Math.ceil(newLng);}
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224 | else{newLngTrunc = Math.floor(newLng);}
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225 |
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226 | //Construct query
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227 | query += "(";
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228 | query += "CS:\"" + coordToAbsDirected(newLatTrunc, "lat");
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229 | //query += "CS:\"" + coordToAbsDirected(newLatTrunc, "lat") + "\" \"" + coordToAbsDirected(newLngTrunc, "lng") + "\""; //query += "LA:" + coordToAbsDirected(newLatTrunc, "lat");
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230 | if(latDelta != 1)
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231 | {
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232 | query += newLatString.substring(newLatString.indexOf(".") + 1, newLatString.indexOf(".") + latPrecision + 1);
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233 | }
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234 | query += " ";
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235 | //query += "+AND+";
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236 |
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237 | //query += "LN:" + coordToAbsDirected(newLngTrunc, "lng");
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238 | query += coordToAbsDirected(newLngTrunc, "lng");
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239 | if(lngDelta != 1)
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240 | {
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241 | query += newLngString.substring(newLngString.indexOf(".") + 1, newLngString.indexOf(".") + lngPrecision + 1);
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242 | }
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243 | query += "\"";
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244 | query += ")";
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245 |
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246 | //if(i != (Math.floor(latDistance / latDelta) + 1) || j != (Math.floor(lngDistance / lngDelta) + 1)){ query += "+OR+"; }
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247 | if(i != iMax || j != jMax){ query += "+OR+"; }
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248 | }
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249 | }
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250 |
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251 | // This works, why not from the double loop above?
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252 | //query = "(CS:\"" + coordToAbsDirected(newLatTrunc, "lat") + " " + coordToAbsDirected(newLngTrunc, "lng") + "\")";
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253 | //alert("@@@@in map-scripts::performSearchForMarkers() - query: " + query);
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254 |
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255 | //var url = gs.xsltParams.library_name + "?a=q&s=RawQuery&rt=rd&c=" + gs.cgiParams.c + "&s1.rawquery=" + query + "&excerptid=jsonNodes";
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256 | var url = gs.xsltParams.library_name;
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257 | var data = "a=q&s=RawQuery&rt=rd&c=" + gs.cgiParams.c + "&s1.rawquery=" + query + "&excerptid=jsonNodes";
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258 | //console.log("*** performSearchForMarkers(): rawQuery query data = " + query);
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259 |
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260 | $.ajax({type:"POST", url:url, data:data})
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261 | .success(function(responseText)
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262 | {
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263 | //console.log("*** responseText (first 250) = " + responseText.substring(0,256));
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264 |
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265 | if(responseText.search("id=\"jsonNodes") != -1)
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266 | {
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267 | var startIndex = responseText.indexOf(">");
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268 | var endIndex = responseText.indexOf("</");
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269 |
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270 | //console.log("@@@@ performSearch, got response: " + responseText);
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271 |
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272 | var jsonNodes = eval(responseText.substring(startIndex+1, endIndex));
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273 | //console.log("Number of matches returned from ajax rawQuery search = " + jsonNodes.length);
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274 | if(jsonNodes && jsonNodes.length > 0)
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275 | {
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276 | for(var i = 0; i < jsonNodes.length; i++)
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277 | {
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278 | var doc = jsonNodes[i];
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279 |
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280 | var found = false;
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281 | for(var j = 0; j < _docList.ids.length; j++){if(doc.nodeID == _docList.ids[j]){found = true; break;}}
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282 |
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283 | if(!found)
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284 | {
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285 | _docList[doc.nodeID] = doc;
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286 | _docList.ids.push(doc.nodeID);
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287 |
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288 | createMarkers(doc, false);
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289 | }
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290 | }
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291 | }
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292 | }
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293 | else
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294 | {
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295 | console.log("No JSON information received");
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296 | }
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297 |
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298 | _searchRunning = false;
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299 | }).fail(function(responseText, textStatus, errorThrown) // fail() has replaced error(), http://api.jquery.com/jquery.ajax/
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300 | {
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301 | console.log("In map-scripts.performSearchForMarkers(): Got an error in ajax call");
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302 | _searchRunning = false;
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303 | });
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304 | }
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305 |
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306 | function coordToAbsDirected(coord, type)
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307 | {
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308 | var value = "" + coord;
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309 | if(coord < 0)
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310 | {
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311 | value = value.substring(1);
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312 | if(type == "lat")
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313 | {
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314 | value += "S";
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315 | }
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316 | else
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317 | {
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318 | value += "W";
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319 | }
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320 | }
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321 | else
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322 | {
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323 | if(type == "lat")
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324 | {
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325 | value += "N";
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326 | }
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327 | else
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328 | {
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329 | value += "E";
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330 | }
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331 | }
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332 |
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333 | return value;
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334 | }
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335 |
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336 | function updateMap()
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337 | {
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338 | //console.log("@@@ updateMap()");
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339 | var markersOnMap = 0;
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340 | var bounds = new google.maps.LatLngBounds();
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341 | for(var i = 0; i < _docList.ids.length; i++)
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342 | {
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343 | var doc = _docList.getDocByIndex(i);
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344 | if(doc.parentCL && doc.parentCL.style.display == "none")
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345 | {
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346 | if(doc.shapes) {
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347 | for(var x = 0; x < doc.shapes.length; x++) {
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348 | doc.shapes[x].setVisible(false);
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349 | }
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350 | } else {
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351 | doc.marker.setVisible(false);
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352 | }
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353 | continue;
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354 | }
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355 | else
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356 | {
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357 | if(doc.shapes) {
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358 | for(var x = 0; x < doc.shapes.length; x++) {
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359 | doc.shapes[x].setVisible(true);
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360 | markersOnMap += ShapesUtil.numberOfCoordinatesInBounds(doc.shapes[x]);
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361 | }
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362 | } else {
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363 | doc.marker.setVisible(true);
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364 | markersOnMap++;
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365 | }
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366 |
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367 | }
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368 |
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369 | if(doc.shapes) {
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370 | console.log("@@@@ HERE IN doc.shapes");
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371 | var docSection_overlay_bounds = ShapesUtil.overlayBounds(doc.shapes);
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372 | // We now have the current document or document subsection's bounds.
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373 | // Use this to extend the overall bounds (the cumulative bounds for all nearby documents,
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374 | // or at least the cumulative bounds for this document with all its subsections).
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375 | bounds.extend(docSection_overlay_bounds.getNorthEast());
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376 | bounds.extend(docSection_overlay_bounds.getSouthWest());
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377 | }
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378 | else {
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379 | var doc_latlng = new google.maps.LatLng(doc.lat, doc.lng);
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380 | bounds.extend(doc_latlng);
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381 | }
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382 | }
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383 |
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384 | //console.log("@@@ UpdateMap() : bounds = " + bounds);
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385 | if(markersOnMap > 1)
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386 | {
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387 | _map.fitBounds(bounds);
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388 | } else if (markersOnMap == 1) {
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389 | //console.log("@@@ updating bounds with " + markersOnMap + " markers on the map");
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390 | //console.log(bounds);
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391 |
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392 | // sometimes a single point bounds are too small for the map to display, so use center and zoom instead of fitbounds.
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393 | _map.setCenter(bounds.getCenter());
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394 | _map.setZoom(18); // arbitrary value that looked nice for my example
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395 | }
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396 | }
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397 |
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398 | // TODO: FUNCTION DUPLICATED IN panoramaViewer.js
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399 | function getLatLngForCoord(coord) {
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400 |
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401 | // https://stackoverflow.com/questions/2559318/how-to-check-for-an-undefined-or-null-variable-in-javascript
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402 | if(!coord) {
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403 | // some_variable is either null, undefined, 0, NaN, false, or an empty string
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404 | console.log("@@@@ In map-scripts::getLatLngForCoord(): no or invalid coord info");
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405 | return null;
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406 | }
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407 |
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408 | // coord is of the form: "37S77 157E53"
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409 | // lat will be 37S77, lng 157E53.
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410 | var indexOfSpace = coord.indexOf(" ");
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411 | if(indexOfSpace === -1) {
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412 | console.log("@@@@ In map-scripts::getLatLngForCoord(): bad format for coord " + coord);
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413 | return null;
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414 | }
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415 | var latitude = coord.substring(0, indexOfSpace);
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416 | var longitude = coord.substring(indexOfSpace+1);
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417 | return {lat: latitude, lng: longitude}; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
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418 | }
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419 |
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420 | function loopThroughMarkers()
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421 | {
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422 | if(_docList.ids.length == 0)
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423 | {
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424 | return;
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425 | }
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426 |
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427 | var visibleMarkers = new Array();
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428 | for(var i = 0; i < _docList.ids.length; i++)
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429 | {
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430 | var doc = _docList.getDocByIndex(i);
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431 | if(typeof doc.shapes !== 'undefined') {
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432 | for(var x = 0; x < doc.shapes.length; x++) {
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433 | var shape = doc.shapes[x];
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434 | if(shape.type === google.maps.drawing.OverlayType.MARKER && shape.getVisible())
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435 | {
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436 | visibleMarkers.push(doc);
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437 | }
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438 | }
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439 | }
|
---|
440 | if(doc.marker && doc.marker.getVisible())
|
---|
441 | {
|
---|
442 | visibleMarkers.push(doc);
|
---|
443 | }
|
---|
444 | }
|
---|
445 |
|
---|
446 | if(visibleMarkers.length < 2)
|
---|
447 | {
|
---|
448 | clearAllInfoBoxes();
|
---|
449 | return;
|
---|
450 | }
|
---|
451 |
|
---|
452 | clearAllInfoBoxes();
|
---|
453 |
|
---|
454 | var elem = null;
|
---|
455 | while(!elem) // TODO: why redefine elem? Why does this work, and only this, but not while(true) or while(doc.marker) or while(!AnythingFalse)???
|
---|
456 | // Some clever behaviour here, but no documentation on the cleverness. Hard to understand
|
---|
457 | {
|
---|
458 | if(_docList.loopIndex >= visibleMarkers.length)
|
---|
459 | {
|
---|
460 | _docList.loopIndex = 0;
|
---|
461 | }
|
---|
462 |
|
---|
463 | var doc = visibleMarkers[_docList.loopIndex];
|
---|
464 | elem = gs.jqGet("div" + doc.nodeID); // TODO: this used to redefine elem by doing var elem = <....>
|
---|
465 | if(elem.length)
|
---|
466 | {
|
---|
467 | elem.css("background", "#BBFFBB");
|
---|
468 | setTimeout(function(){elem.css("background", "");}, 2000);
|
---|
469 | }
|
---|
470 | _docList.loopIndex ++;
|
---|
471 | }
|
---|
472 | //console.log("@@@@ DOC:");
|
---|
473 | //console.log(doc);
|
---|
474 |
|
---|
475 | if(doc.marker) {
|
---|
476 | doc.marker.markerInfo.open(_map, doc.marker); // TODO: how does doc have a value here? Where is the value set at this block level?
|
---|
477 | }
|
---|
478 |
|
---|
479 | if(doc.shapes) {
|
---|
480 | for(var x = 0; x < doc.shapes.length; x++) {
|
---|
481 | var shape = doc.shapes[i];
|
---|
482 | if(shape.type === google.maps.drawing.OverlayType.MARKER) {
|
---|
483 | shape.markerInfo.open(_map, shape);
|
---|
484 | } else {
|
---|
485 | shape.markerInfo.open(_map);
|
---|
486 | }
|
---|
487 | }
|
---|
488 | }
|
---|
489 | }
|
---|
490 |
|
---|
491 |
|
---|
492 | function focusDocument(id)
|
---|
493 | {
|
---|
494 | var doc = _docList[id];
|
---|
495 | if(doc)
|
---|
496 | {
|
---|
497 | clearInterval(_intervalHandle);
|
---|
498 | _intervalHandle = null;
|
---|
499 |
|
---|
500 | if(doc.shapes) {
|
---|
501 | var docShapesBounds = ShapesUtil.overlayBounds(doc.shapes);
|
---|
502 | _map.panToBounds(docShapesBounds); // https://developers.google.com/maps/documentation/javascript/reference/map#Map.panToBounds
|
---|
503 | } else {
|
---|
504 | _map.panTo(new google.maps.LatLng(doc.lat, doc.lng));
|
---|
505 | }
|
---|
506 |
|
---|
507 | clearAllInfoBoxes();
|
---|
508 | if(doc.shapes) { // TODO
|
---|
509 | //console.log("Opening infowindow for doc " + doc.nodeID);
|
---|
510 | for(var x = 0; x < doc.shapes.length; x++) {
|
---|
511 | if(doc.shapes[x].markerInfo) {
|
---|
512 | doc.shapes[x].markerInfo.open(_map); // label
|
---|
513 | }
|
---|
514 | else {
|
---|
515 | console.log("No infowindow for doc " + doc.nodeID + "'s shape " + doc.shapes[x].type);
|
---|
516 | }
|
---|
517 | }
|
---|
518 | //openInfoBoxes(doc);
|
---|
519 | } else { // only Lat and Lng meta, so we have just one marker per doc, which will have the doc title not label
|
---|
520 | doc.marker.markerInfo.open(_map, doc.marker); // doc title
|
---|
521 | }
|
---|
522 | var scrollCheckbox = $("#scrollCheckbox");
|
---|
523 | if(scrollCheckbox.checked)
|
---|
524 | {
|
---|
525 | scrollCheckbox.checked = false;
|
---|
526 | }
|
---|
527 | }
|
---|
528 | }
|
---|
529 |
|
---|
530 | function clearAllInfoBoxes()
|
---|
531 | {
|
---|
532 | for(var i = 0; i < _docList.ids.length; i++)
|
---|
533 | {
|
---|
534 | var doc = _docList.getDocByIndex(i);
|
---|
535 |
|
---|
536 | if(doc.shapes) {
|
---|
537 | for(var x = 0; x < doc.shapes.length; x++) {
|
---|
538 | if(doc.shapes[x].markerInfo) {
|
---|
539 | //console.log("Closing infowindow for doc " + _docList.ids[i]);
|
---|
540 | doc.shapes[x].markerInfo.close();
|
---|
541 | }
|
---|
542 | }
|
---|
543 | }
|
---|
544 | else { // only Lat and Lng meta, so we have just one marker per doc
|
---|
545 | doc.marker.markerInfo.close();
|
---|
546 | }
|
---|
547 | }
|
---|
548 | }
|
---|
549 |
|
---|
550 | function createMarkers(doc, mainMarker) {
|
---|
551 | if(doc.mapoverlay) {
|
---|
552 | //console.log("Have shapes: " + doc.mapoverlay.toString());
|
---|
553 | createShapes(doc, mainMarker);
|
---|
554 | } else { // backwards compatible to deal with Lat and Lng meta stored for doc
|
---|
555 | pos = new google.maps.LatLng(doc.lat,doc.lng);
|
---|
556 | createMarker(doc, pos, mainMarker);
|
---|
557 | }
|
---|
558 | }
|
---|
559 |
|
---|
560 | function addInfoMarker(doc, shape) {
|
---|
561 |
|
---|
562 | if(!shape.description) {
|
---|
563 | console.log("@@@@ " + shape.type.toString() + " had no description/label");
|
---|
564 | return;
|
---|
565 | }
|
---|
566 |
|
---|
567 | // else add an InfoWindow for this shape using the label (shape.description)
|
---|
568 |
|
---|
569 | // https://developers.google.com/maps/documentation/javascript/infowindows
|
---|
570 | // An InfoWindow's "position contains the LatLng at which this info window is anchored.
|
---|
571 | // Note: An InfoWindow may be attached either to a Marker object (in which case its position is based on the marker's location)
|
---|
572 | // or on the map itself at a specified LatLng. Opening an info window on a marker will automatically update the position."
|
---|
573 | var infoWindow = new google.maps.InfoWindow({content:shape.description}); // NOTE: if not setting content or position properties
|
---|
574 | // inside this constructor, need to call setContent/setPosition to set them
|
---|
575 |
|
---|
576 | if(shape.type === google.maps.drawing.OverlayType.MARKER) {
|
---|
577 | var marker = shape;
|
---|
578 | console.log("Coord for marker is " + coord.toString());
|
---|
579 |
|
---|
580 | marker.addListener('mouseover', function() {
|
---|
581 | infoWindow.open(_map, marker);
|
---|
582 | });
|
---|
583 | marker.addListener('mouseout', function() {
|
---|
584 | infoWindow.close();
|
---|
585 | });
|
---|
586 | attachClickHandler(marker, doc.nodeID); // do what the original code used to do here
|
---|
587 | }
|
---|
588 | else {
|
---|
589 | var coord = ShapesUtil.getLabelCoordinate(shape);
|
---|
590 | console.log("Coord for " + shape.type.toString() + " is " + coord.toString());
|
---|
591 | infoWindow.setPosition(coord);
|
---|
592 | shape.addListener('mouseover', function() {
|
---|
593 | infoWindow.open(_map);
|
---|
594 | });
|
---|
595 | shape.addListener('mouseout', function() {
|
---|
596 | infoWindow.close();
|
---|
597 | });
|
---|
598 | attachClickHandler(shape, doc.nodeID); // as above
|
---|
599 | }
|
---|
600 | shape.markerInfo = infoWindow;
|
---|
601 | //console.log("######## Added markerInfo object to shape");
|
---|
602 | }
|
---|
603 |
|
---|
604 | // This function will create Google Shapes/Overlays and markers out of a given doc JSONNode's doc.mapOverlay
|
---|
605 | // (doc.mapOverlay shapes are stored as an array of JSON) and store the shapes/overlays in the doc.shapes array.
|
---|
606 | // Param mainMarker: if set to true, marker is red. If false, marker is blue
|
---|
607 | function createShapes(doc, mainMarker)
|
---|
608 | {
|
---|
609 | // for doc.shapes: don't store JSON anymore, convert them to google Shapes overlays and store them instead
|
---|
610 | doc.shapes = [];
|
---|
611 |
|
---|
612 | for (var i=0; i<doc.mapoverlay.length; i++) {
|
---|
613 | //console.log("in: mapoverlay["+i+"] =" + JSON.stringify(doc.mapoverlay[i]));
|
---|
614 | var shape = ShapesUtil.JSONToShape(doc.mapoverlay[i]);
|
---|
615 | //console.log("out: shape = " + JSON.stringify(shape));
|
---|
616 |
|
---|
617 | doc.shapes[i] = shape;
|
---|
618 | shape.setMap(_map);
|
---|
619 | //shape["title"] = doc.title; // TODO: Think on it some more.
|
---|
620 |
|
---|
621 | // Unset editable and draggable properties of shape
|
---|
622 | // And for markers, which are initialised to clickable besides, undo the clickability
|
---|
623 | // and set them
|
---|
624 | if(shape.type === google.maps.drawing.OverlayType.MARKER) {
|
---|
625 | var marker = shape;
|
---|
626 | // mainMarkers should be red
|
---|
627 | if(!mainMarker) {
|
---|
628 | marker["icon"] = "interfaces/" + gs.xsltParams.interface_name + "/images/bluemarker.png";
|
---|
629 | }
|
---|
630 | marker.clickable = false; // only markers
|
---|
631 | /*
|
---|
632 | console.log("@@@ map-scripts::addInfoMarker - marker.position");
|
---|
633 | console.log("Lat is " + typeof(marker.position.lat()));
|
---|
634 | console.log(marker.position.lat());
|
---|
635 | console.log("Long is " + typeof(marker.position.lng()));
|
---|
636 | console.log(marker.position.lng());
|
---|
637 | */
|
---|
638 | } else {
|
---|
639 | //console.log("Creating non-marker shape.");
|
---|
640 | }
|
---|
641 |
|
---|
642 | shape.editable = false;
|
---|
643 | shape.draggable = false;
|
---|
644 |
|
---|
645 | console.log("#### calling addInfoMarker");
|
---|
646 | // doc[i]'s label = doc.shapes[i].description
|
---|
647 | addInfoMarker(doc, shape);
|
---|
648 | }
|
---|
649 |
|
---|
650 | var docElement = gs.jqGet("div" + doc.nodeID);
|
---|
651 | var parent;
|
---|
652 | if(docElement)
|
---|
653 | {
|
---|
654 | parent = docElement.parentNode;
|
---|
655 | }
|
---|
656 |
|
---|
657 | while(parent && parent.nodeName != "BODY")
|
---|
658 | {
|
---|
659 | if($(parent).attr("id") && $(parent).attr("id").search("divCL") != -1)
|
---|
660 | {
|
---|
661 | doc.parentCL = parent;
|
---|
662 | break;
|
---|
663 | }
|
---|
664 |
|
---|
665 | parent = parent.parentNode;
|
---|
666 | }
|
---|
667 | }
|
---|
668 |
|
---|
669 | // This method is only for backwards compatibility: for those collections with docs that only have Lat and Lng meta
|
---|
670 | // and no GPS.mapOverlay (and hence Coordinate) meta.
|
---|
671 | // Param mainMarker: if set to true, marker is red. If false, marker is blue
|
---|
672 | function createMarker(doc, pos, mainMarker)
|
---|
673 | {
|
---|
674 | var marker;
|
---|
675 | if(mainMarker)
|
---|
676 | {
|
---|
677 | marker = new google.maps.Marker
|
---|
678 | ({
|
---|
679 | position: pos,
|
---|
680 | title:doc.title,
|
---|
681 | map:_map
|
---|
682 | });
|
---|
683 | }
|
---|
684 | else
|
---|
685 | {
|
---|
686 | marker = new google.maps.Marker
|
---|
687 | ({
|
---|
688 | position: pos,
|
---|
689 | title:doc.title,
|
---|
690 | map:_map,
|
---|
691 | icon:"interfaces/" + gs.xsltParams.interface_name + "/images/bluemarker.png"
|
---|
692 | });
|
---|
693 | }
|
---|
694 |
|
---|
695 | var docElement = gs.jqGet("div" + doc.nodeID);
|
---|
696 | var parent;
|
---|
697 | if(docElement)
|
---|
698 | {
|
---|
699 | parent = docElement.parentNode;
|
---|
700 | }
|
---|
701 |
|
---|
702 | while(parent && parent.nodeName != "BODY")
|
---|
703 | {
|
---|
704 | if($(parent).attr("id") && $(parent).attr("id").search("divCL") != -1)
|
---|
705 | {
|
---|
706 | doc.parentCL = parent;
|
---|
707 | break;
|
---|
708 | }
|
---|
709 |
|
---|
710 | parent = parent.parentNode;
|
---|
711 | }
|
---|
712 |
|
---|
713 | var info = new google.maps.InfoWindow({content:doc.title});
|
---|
714 | marker.markerInfo = info;
|
---|
715 | doc.marker = marker;
|
---|
716 | attachClickHandler(marker, doc.nodeID);
|
---|
717 | }
|
---|
718 |
|
---|
719 | // TODO: with the following, it seems that clicking on shape expands the entire document
|
---|
720 | // Should it be that clicking on a shape should expand the doc section that contains that shape meta?
|
---|
721 | function attachClickHandler(shapeOrMarker, nodeID)
|
---|
722 | {
|
---|
723 | google.maps.event.addListener(shapeOrMarker, 'click', function()
|
---|
724 | {
|
---|
725 | document.location.href = gs.xsltParams.library_name + "?a=d&ed=1&c=" + gs.cgiParams.c + "&d=" + nodeID + "&dt=hierarchy&p.a=b&p.sa=&p.s=ClassifierBrowse";
|
---|
726 | });
|
---|
727 | }
|
---|
728 |
|
---|
729 | function NewLatLng(lat, lng)
|
---|
730 | {
|
---|
731 | console.log("Latitude " + lat);
|
---|
732 | console.log("Longitude " + lng);
|
---|
733 | }
|
---|
734 |
|
---|
735 | function getSubClassifier(sectionID)
|
---|
736 | {
|
---|
737 | var url = gs.xsltParams.library_name + "?a=b&rt=s&s=ClassifierBrowse&c=" + gs.cgiParams.c + "&cl=" + sectionID + "&excerptid=jsonNodes";
|
---|
738 | $.ajax(url)
|
---|
739 | .success(function(responseText)
|
---|
740 | {
|
---|
741 | var startIndex = responseText.indexOf(">");
|
---|
742 | var endIndex = responseText.indexOf("</");
|
---|
743 |
|
---|
744 | var jsonNodes = eval(responseText.substring(startIndex+1, endIndex));
|
---|
745 | if(jsonNodes && jsonNodes.length > 0)
|
---|
746 | {
|
---|
747 | for(var i = 0; i < jsonNodes.length; i++)
|
---|
748 | {
|
---|
749 | var doc = jsonNodes[i];
|
---|
750 | _docList[doc.nodeID] = doc;
|
---|
751 | _docList.ids.push(doc.nodeID);
|
---|
752 |
|
---|
753 | createMarkers(doc, true);
|
---|
754 | }
|
---|
755 |
|
---|
756 | $("#map_canvas").css({"visibility": "visible", "height": ""});
|
---|
757 | }
|
---|
758 |
|
---|
759 | updateMap();
|
---|
760 | //console.log("getSub Classifier -> updateMap()");
|
---|
761 | })
|
---|
762 | .error(function()
|
---|
763 | {
|
---|
764 | //console.log("Error getting subclassifiers");
|
---|
765 | return;
|
---|
766 | });
|
---|
767 | }
|
---|
768 |
|
---|
769 | function performDistanceSearchWithCoordinates(id, coord, degrees)
|
---|
770 | {
|
---|
771 | var coordInfo = getLatLngForCoord(coord);
|
---|
772 | if(!coordInfo) {
|
---|
773 | console.log("@@@ ERROR in map-scripts::performDistanceSearchWithCoordinates: coordInfo is null");
|
---|
774 | }
|
---|
775 | performDistanceSearch(id, coordInfo.lat, coordInfo.lng, degrees);
|
---|
776 | }
|
---|
777 |
|
---|
778 | function performDistanceSearch(id, lat, lng, degrees)
|
---|
779 | {
|
---|
780 | if(parseFloat(lat) > 180 || parseFloat(lat) < -180 || parseFloat(lng) > 180 || parseFloat(lat) < -180)
|
---|
781 | {
|
---|
782 | console.log("Latitude or longitude incorrectly formatted");
|
---|
783 | return;
|
---|
784 | }
|
---|
785 |
|
---|
786 | if(lat.indexOf(".") == -1 || lng.indexOf(".") == -1 || (lat.indexOf(".") + 3) >= lat.length || (lng.indexOf(".") + 3) >= lng.length)
|
---|
787 | {
|
---|
788 | console.log("Latitude or longitude does not have the required precision for a distance search");
|
---|
789 | return;
|
---|
790 | }
|
---|
791 |
|
---|
792 | var query = "";
|
---|
793 | for(var i = 0; i < degrees * 2; i++)
|
---|
794 | {
|
---|
795 | for (var j = 0; j < degrees * 2; j++)
|
---|
796 | {
|
---|
797 | var latDelta = (i - degrees) * 0.01;
|
---|
798 | var lngDelta = (j - degrees) * 0.01;
|
---|
799 |
|
---|
800 | //query += "(" + getDistanceQueryStringOldApproach(lat, latDelta, 2, "LA", ["N","S"]);
|
---|
801 | //query += "+AND+";
|
---|
802 | //query += getDistanceQueryStringOldApproach(lng, lngDelta, 2, "LN", ["E","W"]) + ")";
|
---|
803 |
|
---|
804 | query += "(" + getDistanceQueryStringTerm(lat, lng, latDelta, lngDelta, 2, "CS") + ")";
|
---|
805 |
|
---|
806 | if(i != ((degrees * 2) - 1) || j != ((degrees * 2) - 1)){ query += "+OR+"; }
|
---|
807 | }
|
---|
808 | }
|
---|
809 |
|
---|
810 | var inlineTemplate = '\
|
---|
811 | <xsl:template match="/" priority="5">\
|
---|
812 | <table id="nearbyDocs">\
|
---|
813 | <tr>\
|
---|
814 | <th><a href="javascript:sortByDistance();">Distance</a></th><th><a href="javascript:sortAlphabetically();">Document</a></th>\
|
---|
815 | </tr>\
|
---|
816 | <xsl:apply-templates select="//documentNode"/>\
|
---|
817 | </table>\
|
---|
818 | </xsl:template>\
|
---|
819 | \
|
---|
820 | <xsl:template match="documentNode" priority="5">\
|
---|
821 | <xsl:if test="@nodeID !=\''+id+'\'">\
|
---|
822 | <tr>\
|
---|
823 | <td>___<gsf:metadata name="Latitude"/>______<gsf:metadata name="Longitude"/>___</td>\
|
---|
824 | <td><gsf:link title="'+gs.text.doc.nearby_doc_tooltip+'" type="document"><gsf:metadata name="Title"/></gsf:link></td>\
|
---|
825 | </tr>\
|
---|
826 | </xsl:if>\
|
---|
827 | </xsl:template>';
|
---|
828 |
|
---|
829 | var url = gs.xsltParams.library_name + "?a=q&s=RawQuery&rt=rd&c=" + gs.cgiParams.c + "&s1.rawquery=" + query + "&excerptid=nearbyDocs&ilt=" + inlineTemplate.replace(/ /, "%20");
|
---|
830 | $.ajax(url)
|
---|
831 | .success(function(response)
|
---|
832 | {
|
---|
833 | response = response.replace(/<img src="[^"]*map_marker.png"[^>]*>/g, "");
|
---|
834 |
|
---|
835 | var nearbyDocsArray = new Array();
|
---|
836 |
|
---|
837 | var lats = new Array();
|
---|
838 | var lngs = new Array();
|
---|
839 | var matches = response.match(/___(-?[0-9\.]*)___/g);
|
---|
840 | for(var i = 0; i < matches.length; i += 2)
|
---|
841 | {
|
---|
842 | var matchLatFloat = parseFloat(matches[i].replace("___", ""));
|
---|
843 | var matchLngFloat = parseFloat(matches[i+1].replace("___", ""));
|
---|
844 |
|
---|
845 | lats.push(matchLatFloat);
|
---|
846 | lngs.push(matchLngFloat);
|
---|
847 | var distance = Math.sqrt(Math.pow(matchLatFloat - parseFloat(lat), 2) + Math.pow(matchLngFloat - parseFloat(lng), 2)) * (40000.0/360.0);
|
---|
848 | var distanceString = "" + distance;
|
---|
849 | distanceString = distanceString.substring(0, 6);
|
---|
850 | response = response.replace(matches[i] + matches[i+1], distanceString);
|
---|
851 | }
|
---|
852 |
|
---|
853 | var index = 0;
|
---|
854 | var i = 0;
|
---|
855 | while(true)
|
---|
856 | {
|
---|
857 | var distanceStart = response.indexOf("<td>", index);
|
---|
858 | if(distanceStart == -1)
|
---|
859 | {
|
---|
860 | break;
|
---|
861 | }
|
---|
862 | var distanceEnd = response.indexOf("</td>", distanceStart);
|
---|
863 |
|
---|
864 | var docLinkStart = response.indexOf("<td>", distanceEnd);
|
---|
865 | var docLinkEnd = response.indexOf("</td>", docLinkStart);
|
---|
866 |
|
---|
867 | var dist = response.substring(distanceStart + 4, distanceEnd);
|
---|
868 | var docLink = response.substring(docLinkStart + 4, docLinkEnd);
|
---|
869 |
|
---|
870 | _nearbyDocs.push({title:docLink, distance:dist, lat:lats[i], lng:lngs[i++]});
|
---|
871 |
|
---|
872 | index = docLinkEnd;
|
---|
873 | }
|
---|
874 |
|
---|
875 | sortByDistance(lat,lng);
|
---|
876 |
|
---|
877 | var toggle = $("#nearbyDocumentsToggle");
|
---|
878 | toggle.attr("src", gs.imageURLs.collapse);
|
---|
879 | gs.functions.makeToggle(toggle, $("#nearbyDocuments"));
|
---|
880 | });
|
---|
881 | }
|
---|
882 |
|
---|
883 | var map_centering_timeout = null;
|
---|
884 | function recenterMapF(lat, lng)
|
---|
885 | {
|
---|
886 | return function() {
|
---|
887 | _map.setCenter(new google.maps.LatLng(lat, lng));
|
---|
888 | }
|
---|
889 | }
|
---|
890 | function recenterMap(lat, lng)
|
---|
891 | {
|
---|
892 |
|
---|
893 | _map.setCenter(new google.maps.LatLng(lat, lng));
|
---|
894 |
|
---|
895 | }
|
---|
896 | function sortByDistance(base_lat,base_lng)
|
---|
897 | {
|
---|
898 | var sortedTable = '<table id="nearbyDocs" onmouseleave="clearTimeout(map_centering_timeout); recenterMap('+base_lat+','+base_lng+');"><tr><th><a href="javascript:;">Distance</a></th><th><a href="javascript:sortAlphabetically('+base_lat+', '+base_lng+');">Document</a></th></tr>';
|
---|
899 | _nearbyDocs.sort(function(a, b){return (a.distance - b.distance);});
|
---|
900 | for(var i = 0; i < _nearbyDocs.length; i++)
|
---|
901 | {
|
---|
902 |
|
---|
903 | sortedTable += "<tr><td>" + prettifyDistance(_nearbyDocs[i].distance) + '</td><td onmouseover="clearTimeout(map_centering_timeout); map_centering_timeout = setTimeout(recenterMapF(' + _nearbyDocs[i].lat + ',' + _nearbyDocs[i].lng + '), 900)" >' + _nearbyDocs[i].title + "</td></tr>";
|
---|
904 | }
|
---|
905 | sortedTable += "</table>";
|
---|
906 |
|
---|
907 | $("#nearbyDocuments").html(sortedTable);
|
---|
908 | }
|
---|
909 | function prettifyDistance(distance) {
|
---|
910 |
|
---|
911 | var new_distance;
|
---|
912 | if (distance < 1) {
|
---|
913 | new_distance = (distance * 1000);
|
---|
914 | // Round to nearest whole number - don't need to show points of metres..
|
---|
915 | new_distance = Math.round(new_distance);
|
---|
916 | new_distance += " m";
|
---|
917 | }
|
---|
918 | else {
|
---|
919 | new_distance = distance +" km";
|
---|
920 |
|
---|
921 | }
|
---|
922 | return new_distance;
|
---|
923 | }
|
---|
924 |
|
---|
925 |
|
---|
926 |
|
---|
927 | function sortAlphabetically(base_lat, base_lng)
|
---|
928 | {
|
---|
929 | var sortedTable = '<table id="nearbyDocs" onmouseleave="clearTimeout(map_centering_timeout); recenterMap('+base_lat+','+base_lng+');"><tr><th><a href="javascript:sortByDistance('+base_lat+', '+base_lng+');">Distance</a></th><th><a href="javascript:;">Document</a></th></tr>';
|
---|
930 | _nearbyDocs.sort(function(a, b)
|
---|
931 | {
|
---|
932 | var firstTitleStartIndex = a.title.indexOf(">");
|
---|
933 | var firstTitleEndIndex = a.title.indexOf("<", firstTitleStartIndex);
|
---|
934 | var firstTitle = a.title.substring(firstTitleStartIndex + 1, firstTitleEndIndex);
|
---|
935 | var secondTitleStartIndex = b.title.indexOf(">");
|
---|
936 | var secondTitleEndIndex = b.title.indexOf("<", secondTitleStartIndex);
|
---|
937 | var secondTitle = b.title.substring(secondTitleStartIndex + 1, secondTitleEndIndex);
|
---|
938 | return ((firstTitle.toLowerCase() == secondTitle.toLowerCase()) ? 0 : ((firstTitle.toLowerCase() > secondTitle.toLowerCase()) ? 1 : -1));
|
---|
939 | });
|
---|
940 | for(var i = 0; i < _nearbyDocs.length; i++)
|
---|
941 | {
|
---|
942 | sortedTable += "<tr><td>" + _nearbyDocs[i].distance + '</td><td onmouseover="clearTimeout(map_centering_timeout); map_centering_timeout = setTimeout(recenterMapF(' + _nearbyDocs[i].lat + ',' + _nearbyDocs[i].lng + '), 900)">' + _nearbyDocs[i].title + "</td></tr>";
|
---|
943 | }
|
---|
944 | sortedTable += "</table>";
|
---|
945 |
|
---|
946 | $("#nearbyDocuments").html(sortedTable);
|
---|
947 | }
|
---|
948 |
|
---|
949 | function getDistanceQueryStringOldApproach(currentCoord, delta, precision, indexName, directions)
|
---|
950 | {
|
---|
951 | console.error("**** Old Approach called!!!");
|
---|
952 |
|
---|
953 | var query = "";
|
---|
954 | var coordFloat = parseFloat(currentCoord);
|
---|
955 |
|
---|
956 | var newCoord = "" + (coordFloat + delta);
|
---|
957 | var beforeDec = newCoord.substring(0, newCoord.indexOf("."));
|
---|
958 |
|
---|
959 | var direction = directions[0];
|
---|
960 | if(coordFloat < 0)
|
---|
961 | {
|
---|
962 | // negative value
|
---|
963 | direction = directions[1];
|
---|
964 | beforeDec = beforeDec.substring(1); // skip over '-' at front
|
---|
965 | }
|
---|
966 | beforeDec += direction;
|
---|
967 |
|
---|
968 | var afterDec = newCoord.substring(newCoord.indexOf(".") + 1, newCoord.indexOf(".") + (precision) + 1);
|
---|
969 |
|
---|
970 | return indexName + ":" + beforeDec + "+AND+" + indexName + ":" + afterDec;
|
---|
971 | }
|
---|
972 |
|
---|
973 | function coordValToIndexToken(coordValStr, delta, precision, directions)
|
---|
974 | {
|
---|
975 | var coordValFloat = parseFloat(coordValStr);
|
---|
976 |
|
---|
977 | var deltaCoordValStr = "" + (coordValFloat + delta);
|
---|
978 | var beforeDec = deltaCoordValStr.substring(0, deltaCoordValStr.indexOf("."));
|
---|
979 |
|
---|
980 | var direction = directions[0];
|
---|
981 | if(coordValFloat < 0)
|
---|
982 | {
|
---|
983 | // negative value
|
---|
984 | direction = directions[1];
|
---|
985 | beforeDec = beforeDec.substring(1); // skip over '-' at front
|
---|
986 | }
|
---|
987 |
|
---|
988 | var beforeDecWithDirection = beforeDec + direction;
|
---|
989 |
|
---|
990 | var afterDecPrecision = deltaCoordValStr.substring(deltaCoordValStr.indexOf(".") + 1, deltaCoordValStr.indexOf(".") + (precision) + 1);
|
---|
991 |
|
---|
992 | var indexToken = beforeDecWithDirection + afterDecPrecision;
|
---|
993 |
|
---|
994 | return indexToken;
|
---|
995 | }
|
---|
996 |
|
---|
997 | function getDistanceQueryStringTerm(currentLat,currentLng, deltaLat, deltaLng, precision, indexName)
|
---|
998 | {
|
---|
999 | var latToken = coordValToIndexToken(currentLat,deltaLat,precision,["N","S"]);
|
---|
1000 | var lngToken = coordValToIndexToken(currentLng,deltaLng,precision,["E","W"]);
|
---|
1001 |
|
---|
1002 | var queryStringTerm = indexName + ":\"" + latToken + " " + lngToken + "\"";
|
---|
1003 |
|
---|
1004 | return queryStringTerm;
|
---|
1005 | }
|
---|