1 | var global_autocompleteLabelsList = [];
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2 | var global_labels_hashmap = {};
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3 |
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4 | function MapEditor(id) {
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5 | // TODO: investigate const, see https://www.w3schools.com/js/js_const.asp and check it will work on older browsers,
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6 | // https://stackoverflow.com/questions/4271566/how-do-i-know-which-version-of-javascript-im-using
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7 | this.MAX_THICKNESS = 5.0;
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8 | this.MIN_THICKNESS = 0.0;
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9 | this.MAX_OPACITY = 100.00;
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10 | this.MIN_OPACITY = 0.00;
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11 |
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12 | // WORK-IN-PROGRESS FEATURE: label on Map (to be changed to a label associated with each shape later)
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13 | // Also uncomment import of label-overlay-class.js in document.xsl
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14 | //this.labelOverlay = null;
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15 |
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16 |
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17 | this.id = id;
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18 | this.shiftKeyPressed = false;
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19 | this.beingDragged = false;
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20 | this.allowDeselect = true;
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21 | this.colors = ['#1E90FF', '#FF1493', '#4B0082', '#32CD32', '#FF8C00', '#000000'];
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22 | this.selectedColor;
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23 | this.colorButtons = {};
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24 | this.thicknessValue = 1;
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25 | this.opacityValue = 40;
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26 | this.overlays = [];
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27 | this.selectedShapes = [];
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28 | this.listenersArray = [];
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29 | this.mapsArray = [];
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30 | this.drawingManager;
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31 | this.selectedShape;
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32 | this.savedOverlays = null;
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33 | this.map = null;
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34 | this.counter = 0;
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35 | this.branchNum = 1;
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36 | this.mouseState = "up";
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37 | this.thicknessRangeListener = this.thicknessValue; // ????
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38 | this.resizable = false;
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39 | this.dontResize = false;
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40 |
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41 |
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42 | this.shapeOptions = {
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43 | suppressUndo: true,
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44 | fillColor: '#CA4A2F',
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45 | strokeWeight: this.thicknessValue,
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46 | fillOpacity: this.opacityValue / 100,
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47 | editable: true,
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48 | geodesic: false,
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49 | draggable: true,
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50 | description: ""
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51 | };
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52 | this.mapEditorHistory = new MapEditorHistory(this);
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53 | }
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54 |
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55 | //draggable checkbox control
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56 | MapEditor.prototype.initMapEditorControls = function () {
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57 | var that = this;
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58 |
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59 | var draggableCB = document.getElementById("draggableCB-"+ this.id);
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60 | draggableCB.addEventListener('change', function () {
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61 | if (this.checked) {
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62 | for (var i = 0; i < that.overlays.length; i++) {
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63 | that.overlays[i].draggable = false;
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64 | that.shapeOptions.draggable = false;
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65 | }
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66 | } else {
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67 | for (var i = 0; i < that.overlays.length; i++) {
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68 | that.overlays[i].draggable = true;
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69 | that.shapeOptions.draggable = true;
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70 | }
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71 | }
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72 | });
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73 |
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74 |
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75 | //Update thickness
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76 | var thicknessSliderOutput = document.getElementById("thicknessRangeVal" + "-" + this.id);
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77 | var thicknessSlider = document.getElementById("thicknessRange" + "-" + this.id);
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78 | var thicknessValue = ((thicknessSlider.value / 20) * 100) / 100;
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79 | thicknessSliderOutput.value = thicknessValue.toFixed(2);
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80 |
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81 | thicknessSlider.oninput = function () {
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82 | that.shapeSpecsChangeMD();
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83 | var thicknessVal = ((this.value / 20) * 100) / 100;
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84 | thicknessSliderOutput.value = thicknessVal.toFixed(2);
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85 | that.thicknessValue = this.value / 20;
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86 | that.shapeOptions.strokeWeight = that.thicknessValue;
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87 | that.setSelectedThickness(that.thicknessValue);
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88 | }
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89 |
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90 | thicknessSliderOutput.oninput = function () {
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91 | that.shapeSpecsChangeMD(); // TODO: DO WE NEED THIS LINE? (LINE COPIED & PASTED FROM ABOVE)
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92 | if(this.value > that.MAX_THICKNESS) this.value = that.MAX_THICKNESS;
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93 | if(this.value < that.MIN_THICKNESS) this.value = that.MIN_THICKNESS;
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94 | var thicknessVal = this.value * 20;
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95 | thicknessSlider.value = thicknessVal.toFixed(2);
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96 | that.thicknessValue = this.value;
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97 | that.shapeOptions.strokeWeight = that.thicknessValue;
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98 | that.setSelectedThickness(that.thicknessValue);
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99 | }
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100 | //Update opacity
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101 | // TODO: https://stackoverflow.com/questions/469357/html-text-input-allow-only-numeric-input?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
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102 | var opacitySlider = document.getElementById("colourOpacity" + "-" + this.id);
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103 | var opacitySliderOutput = document.getElementById("opacityRangeVal" + "-" + this.id);
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104 |
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105 | opacitySlider.oninput = function () {
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106 | that.shapeSpecsChangeMD();
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107 | opacitySliderOutput.value = this.value;
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108 | that.opacityValue = this.value / 100;
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109 | that.shapeOptions.fillOpacity = that.opacityValue;
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110 | that.setSelectedOpacity(that.opacityValue);
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111 | }
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112 | opacitySliderOutput.oninput = function () {
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113 | that.shapeSpecsChangeOnInput();
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114 | if(this.value > that.MAX_OPACITY) this.value = that.MAX_OPACITY;
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115 | if(this.value < that.MIN_OPACITY) this.value = that.MIN_OPACITY;
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116 | opacitySlider.value = this.value;
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117 | that.opacityValue = this.value / 100;
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118 | that.shapeOptions.fillOpacity = that.opacityValue;
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119 | that.setSelectedOpacity(that.opacityValue);
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120 | }
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121 |
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122 | var descriptionInput = document.getElementById("description" + "-" + this.id);
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123 | // don't use oninput, use onchange, because with autocomplete a newly entered or pasted value
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124 | // doesn't always get stored properly when using oninput.
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125 | descriptionInput.onchange = function () {
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126 | that.shapeSpecsChangeOnInput(); // takes care of history (undo/redo)
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127 | var description = this.value;
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128 | that.shapeOptions.description = description;
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129 | that.setSelectedDescription(that.shapeOptions.description);
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130 | }
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131 |
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132 | // Also add a COMPLETED description (i.e. when description input box loses focus)
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133 | // to the autocomplete list of descriptions/labels
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134 | descriptionInput.onblur = function () {
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135 | var description = this.value;
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136 | that.addToAutocompleteLabelsList(description);
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137 | }
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138 |
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139 | // TODO: Do we need these listeners, when we already have onInput methods above? Test.
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140 | document.getElementById("color-palette1" + "-" + this.id).addEventListener("mousedown", function() { that.shapeSpecsChangeMD() });
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141 | document.getElementById("thicknessRange" + "-" + this.id).addEventListener("mouseup", function () { that.shapeSpecsChangeMU() });
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142 | document.getElementById("colourOpacity" + "-" + this.id).addEventListener("mouseup", function () { that.shapeSpecsChangeMU() });
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143 | //document.getElementById("description" + "-" + this.id).addEventListener("keypress", function () { that.shapeSpecsChangeOnInput() });
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144 |
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145 | document.onmousedown = function (ev) {
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146 | that.mouseState = "down";
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147 | // console.log('Down State you can now start dragging');
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148 | //do not write any code here in this function
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149 | }
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150 |
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151 | document.onmouseup = function (ev) {
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152 | that.mouseState = "up";
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153 | // console.log('up state you cannot drag now because you are not holding your mouse')
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154 | //do not write any code here in this function
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155 | }
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156 |
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157 |
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158 | //prompts the user to save the changes before reloading/leaving the page
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159 | window.onbeforeunload = function (e) {
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160 | var currentOverlays = JSON.stringify(ShapesUtil.overlayToJSON(that.overlays));
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161 | var enableMessage = currentOverlays !== that.savedOverlays;
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162 | var message = "Changes are not saved. Are you sure you want to leave?";
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163 |
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164 |
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165 | // Comment out following section in entirety -- from "e = e || window.event" to end of "if(e)" -- if
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166 | // you don't want to see the popup about changes that haven't been saved yet
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167 | e = e || window.event;
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168 | // For IE and Firefox
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169 | if (e) {
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170 |
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171 | if(enableMessage){
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172 | if(currentOverlays !== "[]") {
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173 | alert(message);
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174 | e.returnValue = message;
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175 |
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176 | // For Safari
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177 | return message;
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178 | }
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179 | }
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180 | }
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181 | }
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182 | }
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183 |
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184 |
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185 | // Ensure only unique labels are added to our autocomplete list
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186 | MapEditor.prototype.addToAutocompleteLabelsList = function (newLabel) {
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187 |
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188 | if (newLabel !== "" && !global_autocompleteLabelsList.includes(newLabel)) {
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189 | // add to autocomplete list and sort alphabetically
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190 | global_autocompleteLabelsList.push(newLabel);
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191 | global_autocompleteLabelsList.sort();
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192 | }
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193 |
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194 | console.log("the added new label to global autocomplete array:"); console.log(global_autocompleteLabelsList);
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195 | }
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196 |
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197 | MapEditor.prototype.settingThePath = function () {
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198 | var that = this;
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199 | this.listenersArray = []
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200 | this.counter = 0;
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201 | this.branchNum = 1;
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202 |
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203 | for (var i = 0; i < this.selectedShapes.length * 2; i++) {
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204 | for (var j = 1; j < 6; j++) {
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205 | var path = "//*[@id='map-" + this.id + "']/div/div/div[1]/div[3]/div/div[3]/div[" + this.branchNum + "]/div[" + j + "]/div";
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206 | this.listenersArray[this.counter] = this.getElementByXpath(path);
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207 | if (this.listenersArray[this.counter] !== (undefined || null)) {
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208 | this.listenersArray[this.counter].addEventListener("mousemove", function () {
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209 | that.resizable = true;
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210 | that.shapeResize();
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211 | });
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212 | this.listenersArray[this.counter].addEventListener("mouseout", function () {
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213 | if (this.mouseDown) {
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214 | that.resizable = true;
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215 | that.shapeResize();
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216 |
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217 | }
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218 | });
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219 | }
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220 | this.counter++;
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221 | }
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222 | this.branchNum++;
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223 | }
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224 | }
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225 |
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226 | MapEditor.prototype.shapeResize = function () {
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227 | if (this.mouseState == "down") {
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228 | if (this.selectedShapes.length > 0) {
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229 | if (this.resizable) {
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230 | if (this.dontResize == false) {
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231 | this.mapEditorHistory.historyOverlayPush();
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232 | }
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233 |
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234 | }
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235 | }
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236 | }
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237 | }
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238 |
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239 | MapEditor.prototype.shapeSpecsChangeMD = function () {
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240 | if (this.selectedShapes.length > 0) {
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241 | this.mapEditorHistory.historyOverlayPush();
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242 | }
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243 | }
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244 |
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245 | MapEditor.prototype.shapeSpecsChangeMU = function () {
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246 | if (this.selectedShapes.length > 0) {
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247 | this.mapEditorHistory.presentOverlayPush();
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248 | }
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249 | }
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250 |
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251 | MapEditor.prototype.shapeSpecsChangeOnInput = function () {
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252 | if (this.selectedShapes.length > 0) {
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253 | this.mapEditorHistory.presentOverlayPush();
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254 | }
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255 | }
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256 |
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257 | MapEditor.prototype.makeColorButton = function (color) {
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258 | var that = this;
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259 |
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260 | var button = document.createElement('span');
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261 | button.className = 'color-buttons1';
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262 | button.style.backgroundColor = color;
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263 | google.maps.event.addDomListener(button, 'click', function () {
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264 | that.selectColor(color);
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265 | that.setSelectedShapeColor(color);
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266 | that.shapeSpecsChangeMU();
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267 | });
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268 | return button;
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269 | }
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270 |
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271 | MapEditor.prototype.buildColorPalette = function () {
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272 | var colorPalette = document.getElementById("color-palette1" + "-" + this.id);
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273 | for (var i = 0; i < this.colors.length; ++i) {
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274 | var currColor = this.colors[i];
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275 | var colorButton = this.makeColorButton(currColor);
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276 | colorPalette.appendChild(colorButton);
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277 | this.colorButtons[currColor] = colorButton;
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278 | }
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279 | this.selectColor(this.colors[0]);
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280 | };
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281 |
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282 | MapEditor.prototype.selectColor = function (color) {
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283 | this.selectedColor = color;
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284 | for (var i = 0; i < this.colors.length; ++i) {
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285 | var currColor = this.colors[i];
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286 | this.colorButtons[currColor].style.border = currColor == color ? '2px solid #789' : '2px solid #fff';
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287 | }
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288 |
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289 | // Retrieves the current options from the drawing manager and replaces the
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290 | // stroke or fill color as appropriate.
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291 | var polylineOptions = this.drawingManager.get('polylineOptions');
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292 | polylineOptions.strokeColor = color;
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293 | this.drawingManager.set('polylineOptions', polylineOptions);
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294 |
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295 | var rectangleOptions = this.drawingManager.get('rectangleOptions');
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296 | rectangleOptions.fillColor = color;
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297 | this.drawingManager.set('rectangleOptions', rectangleOptions);
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298 |
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299 | var circleOptions = this.drawingManager.get('circleOptions');
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300 | circleOptions.fillColor = color;
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301 | this.drawingManager.set('circleOptions', circleOptions);
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302 |
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303 | var polygonOptions = this.drawingManager.get('polygonOptions');
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304 | polygonOptions.fillColor = color;
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305 | this.drawingManager.set('polygonOptions', polygonOptions);
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306 | }
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307 |
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308 | MapEditor.prototype.initMapEditor = function () {
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309 | var that = this;
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310 |
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311 | this.map = new google.maps.Map(document.getElementById("map-" + this.id), {
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312 | center: {
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313 | lat: -37.7891,
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314 | lng: 175.3180
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315 | },
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316 | zoom: 14,
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317 | mapId: this.id,
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318 | });
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319 |
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320 | // WORK-IN-PROGRESS FEATURE: label on Map (to be changed to a label associated with each shape later)
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321 | // let's associate a label with the map (for now, later associate labels for each shape)
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322 | //this.labelOverlay = new LabelOverlay(this.map);
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323 |
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324 | this.mapsArray.push(this.map);
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325 | // Add a style-selector control to the map.
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326 | var styleControl = document.getElementById('style-selector-control' + "-" + this.id);
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327 | this.map.controls[google.maps.ControlPosition.TOP_RIGHT].push(styleControl);
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328 |
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329 | /*
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330 | // Set the map's style to the initial value of the selector.
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331 | var styleSelector = document.getElementById('style-selector' + "-" + this.id);
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332 | //console.log(styleSelector);
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333 | //map = google.maps.Map(document.getElementById('map' +"-"+ this.id));
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334 | this.map.setOptions({
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335 | styles: styles[styleSelector.value]
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336 |
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337 | });
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338 |
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339 | // Apply new JSON when the user selects a different style.
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340 | styleSelector.addEventListener('change', function () {
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341 | that.map.setOptions({
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342 | styles: styles[styleSelector.value]
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343 | });
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344 | });
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345 | */
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346 |
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347 | this.drawingManager = new google.maps.drawing.DrawingManager({
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348 | //drawingMode: google.maps.drawing.OverlayType.RECTANGLE,
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349 | drawingControl: true,
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350 | drawingControlOptions: {
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351 | position: google.maps.ControlPosition.TOP_CENTER,
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352 | drawingModes: ['marker', 'circle', 'polygon', 'polyline', 'rectangle']
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353 | },
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354 | markerOptions: {
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355 | draggable: true
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356 | },
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357 | circleOptions: this.shapeOptions,
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358 | polylineOptions: this.shapeOptions,
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359 | polygonOptions: this.shapeOptions,
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360 | rectangleOptions: this.shapeOptions,
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361 | });
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362 |
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363 | this.drawingManager.setMap(this.map);
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364 |
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365 | google.maps.event.addListener(this.drawingManager, "drawingmode_changed", function () {
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366 | if (that.shiftKeyPressed != true && that.drawingManager.drawingMode !== null) {
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367 | that.deselectAll();
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368 | }
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369 | that.settingThePath();
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370 |
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371 | })
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372 |
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373 | // store reference to added overlay
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374 | google.maps.event.addListener(this.drawingManager, 'overlaycomplete', function (e) {
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375 | that.allowDeselect = true;
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376 | that.mapEditorHistory.historyOverlayPush();
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377 | that.overlays.push(e.overlay); // store reference to added overlay
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378 | var newShape = e.overlay;
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379 | newShape.type = e.type;
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380 | that.mapEditorHistory.presentOverlayPush();
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381 |
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382 | if (e.type !== google.maps.drawing.OverlayType.MARKER) {
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383 | that.addShapeListeners(newShape, e);
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384 | that.setSelection(newShape, e);
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385 | } else {
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386 | that.addMarkerListeners(newShape, e);
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387 | that.setSelection(newShape, e);
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388 | }
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389 | });
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390 |
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391 | //Clears selection if clicked on the map when shift is not presseed
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392 | google.maps.event.addListener(this.map, 'click', function (e) {
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393 | var c = document.body.childNodes;
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394 | if (e.target && e.target.matches("a.classA")) {
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395 | console.log("Anchor element clicked!");
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396 | }
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397 | if (that.shiftKeyPressed == false) {
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398 | that.clearSelection();
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399 | that.selectedShape = null;
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400 | }
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401 | });
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402 |
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403 | google.maps.event.addListener(this.map, 'mousedown', function (e) {
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404 | that.dontResize = true;
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405 | });
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406 |
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407 | google.maps.event.addListener(this.map, 'mouseup', function (e) {
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408 | that.dontResize = false;
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409 | });
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410 |
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411 | //Keyboard shortcuts
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412 | var mapAndControls = document.getElementById("map-and-controls-" + this.id);
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413 | var thicknessField = document.getElementById ("thicknessRangeVal-" + this.id);
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414 | var opacityField = document.getElementById ("opacityRangeVal-" + this.id);
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415 | var openMapFunction = function() {
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416 | //Sets shift as unpressed
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417 | mapAndControls.addEventListener('keyup', function (event) {
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418 | if (event.keyCode == '16') {
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419 | that.shiftKeyPressed = false;
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420 | }
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421 | });
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422 |
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423 | mapAndControls.addEventListener('keydown', function (event) {
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424 |
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425 | // https://stackoverflow.com/questions/2220196/how-to-decode-character-pressed-from-jquerys-keydowns-event-handler
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426 | var keyCode = String.fromCharCode(event.which);
|
---|
427 | //console.log("Key pressed: " + keyCode);
|
---|
428 |
|
---|
429 | //disable keyboard shortcut within the number input field
|
---|
430 | var activeElement = $(document.activeElement);
|
---|
431 | if(activeElement.attr('type') == 'number' || activeElement.attr('type') == 'text'){
|
---|
432 | //console.log('number detected')
|
---|
433 | return;
|
---|
434 | }
|
---|
435 | //Sets shift as pressed
|
---|
436 | if (event.keyCode == '16') {
|
---|
437 | that.shiftKeyPressed = true;
|
---|
438 | }
|
---|
439 | else if (keyCode == 'Y' && (event.ctrlKey || event.metaKey)) {
|
---|
440 | that.mapEditorHistory.redo();
|
---|
441 | }
|
---|
442 | else if (keyCode == 'Z' && (event.ctrlKey || event.metaKey) ) {
|
---|
443 | if (that.shiftKeyPressed == false) {
|
---|
444 | that.mapEditorHistory.undo();
|
---|
445 | }
|
---|
446 | }
|
---|
447 | else if (keyCode == 'A' && (event.ctrlKey || event.metaKey)) {
|
---|
448 | event.preventDefault();
|
---|
449 | that.drawingManager.setDrawingMode(null);
|
---|
450 | that.selectAll();
|
---|
451 | }
|
---|
452 | else if (keyCode == 'D' && (event.ctrlKey || event.metaKey)) {
|
---|
453 | event.preventDefault();
|
---|
454 | that.deselectAll();
|
---|
455 | }
|
---|
456 |
|
---|
457 | else if (keyCode == '0' || keyCode == 'Ã' || (keyCode == 'G'&& (event.ctrlKey || event.metaKey))) {
|
---|
458 | event.preventDefault();
|
---|
459 | that.drawingManager.setDrawingMode(null);
|
---|
460 | } else if (keyCode == '1') {
|
---|
461 | that.drawingManager.setDrawingMode('marker');
|
---|
462 | } else if (keyCode == '2') {
|
---|
463 | that.drawingManager.setDrawingMode('circle');
|
---|
464 | } else if (keyCode == '3') {
|
---|
465 | that.drawingManager.setDrawingMode('polygon');
|
---|
466 | } else if (keyCode == '4') {
|
---|
467 | that.drawingManager.setDrawingMode('polyline');
|
---|
468 | } else if (keyCode == '5') {
|
---|
469 | that.drawingManager.setDrawingMode('rectangle');
|
---|
470 | }
|
---|
471 |
|
---|
472 | //else if (keyCode == 'S') {
|
---|
473 | // that.saveToArchives();
|
---|
474 | //}
|
---|
475 | else if (keyCode == 'Q') { // for debugging information, press Q (easy to hit key)
|
---|
476 | that.printHistory();
|
---|
477 | }
|
---|
478 | else if (keyCode == '.') {
|
---|
479 | that.deleteSelectedShapes();
|
---|
480 | }
|
---|
481 | // console.log(keyCode);
|
---|
482 | });
|
---|
483 | };
|
---|
484 |
|
---|
485 | openMapFunction();
|
---|
486 |
|
---|
487 | this.buildColorPalette();
|
---|
488 |
|
---|
489 |
|
---|
490 | var collection = gs.cgiParams.c;
|
---|
491 | var site_name = gs.xsltParams.site_name;
|
---|
492 | var nodeID = this.id; // documentID, hopefully contains section ID too
|
---|
493 | var metaname = gps_metadata_name;
|
---|
494 |
|
---|
495 | // collection, site, documentID, metadataName, metadataPosition, responseFunction
|
---|
496 | gs.functions.getArchivesMetadata(collection, site_name, nodeID, metaname, 0, function(responseText){
|
---|
497 | // responseText is of type GSMetadata
|
---|
498 |
|
---|
499 | // called when data has been retrieved from archives
|
---|
500 | var JSONString = responseText.getValue();
|
---|
501 | if(JSONString !== "")
|
---|
502 | {
|
---|
503 | that.LOAD(JSONString, nodeID);
|
---|
504 | that.savedOverlays = JSONString;
|
---|
505 | }
|
---|
506 | }
|
---|
507 | ); // TODO: responseFunction in setMeta call
|
---|
508 | }
|
---|
509 |
|
---|
510 | //Deletes a vertex if clicked on it
|
---|
511 | MapEditor.prototype.vertexAndPolyDel = function (e, newShape) {
|
---|
512 | var vertex = e.vertex;
|
---|
513 | if (e.vertex !== undefined) {
|
---|
514 | if (newShape.type === google.maps.drawing.OverlayType.POLYGON) {
|
---|
515 | var path = newShape.getPaths().getAt(e.path);
|
---|
516 | path.removeAt(e.vertex);
|
---|
517 | if (path.length < 3) {
|
---|
518 | newShape.setMap(null);
|
---|
519 | }
|
---|
520 | }
|
---|
521 | if (newShape.type === google.maps.drawing.OverlayType.POLYLINE) {
|
---|
522 | var path = newShape.getPath();
|
---|
523 | path.removeAt(e.vertex);
|
---|
524 | if (path.length < 2) {
|
---|
525 | newShape.setMap(null);
|
---|
526 | }
|
---|
527 | }
|
---|
528 | }
|
---|
529 | }
|
---|
530 |
|
---|
531 | MapEditor.prototype.addMarkerListeners = function (newShape, e) {
|
---|
532 | var that = this;
|
---|
533 | //Click event if a marker is created
|
---|
534 | google.maps.event.addListener(newShape, 'click', function (e) {
|
---|
535 | if(that.shiftKeyPressed){
|
---|
536 |
|
---|
537 | } else {
|
---|
538 | that.mapEditorHistory.historyOverlayPush();
|
---|
539 | newShape.setMap(null);
|
---|
540 | that.mapEditorHistory.presentOverlayPush();
|
---|
541 | }
|
---|
542 |
|
---|
543 | });
|
---|
544 |
|
---|
545 | google.maps.event.addListener(newShape, 'dragstart', function (e) {
|
---|
546 | that.beingDragged = true;
|
---|
547 | that.mapEditorHistory.historyOverlayPush();
|
---|
548 |
|
---|
549 | });
|
---|
550 |
|
---|
551 | google.maps.event.addListener(newShape, 'dragend', function () {
|
---|
552 | that.beingDragged = false;
|
---|
553 | that.mapEditorHistory.presentOverlayPush();
|
---|
554 | that.allowDeselect = false;
|
---|
555 | });
|
---|
556 | }
|
---|
557 |
|
---|
558 | MapEditor.prototype.addShapeListeners = function (newShape, e) {
|
---|
559 | var that = this;
|
---|
560 | // Add an event listener that selects the newly-drawn shape when the user
|
---|
561 | // mouses down on it.
|
---|
562 | google.maps.event.addListener(newShape, 'click', function (e) {
|
---|
563 | that.vertexAndPolyDel(e, newShape);
|
---|
564 | });
|
---|
565 |
|
---|
566 | google.maps.event.addListener(newShape, 'dragstart', function (e) {
|
---|
567 | that.allowDeselect = false;
|
---|
568 | that.mapEditorHistory.historyOverlayPush();
|
---|
569 | });
|
---|
570 |
|
---|
571 | google.maps.event.addListener(newShape, 'dragend', function () {
|
---|
572 | that.beingDragged = false;
|
---|
573 | that.mapEditorHistory.presentOverlayPush();
|
---|
574 | that.settingThePath();
|
---|
575 |
|
---|
576 | that.allowDeselect = false;
|
---|
577 | that.setSelection(newShape, e);
|
---|
578 | });
|
---|
579 |
|
---|
580 | //Store information after the event ends
|
---|
581 | google.maps.event.addListener(newShape, 'bounds_changed', function (e) {
|
---|
582 | if (that.beingDragged == false) {
|
---|
583 | that.mapEditorHistory.presentOverlayPush();
|
---|
584 | }
|
---|
585 | });
|
---|
586 |
|
---|
587 | //Add an event listener to select a shape if the mouse hovers over it
|
---|
588 | google.maps.event.addListener(newShape, 'mousedown', function (e) {
|
---|
589 | if (e.target && e.target.matches("a.classA")) {
|
---|
590 | console.log("Anchor element clicked!");
|
---|
591 | }
|
---|
592 | if (e.vertex !== undefined || e.edge !== undefined) {
|
---|
593 | that.mapEditorHistory.historyOverlayPush()
|
---|
594 | }
|
---|
595 | if (that.drawingManager.drawingMode == null) {
|
---|
596 | that.setSelection(newShape, e);
|
---|
597 | }
|
---|
598 | });
|
---|
599 |
|
---|
600 | google.maps.event.addListener(newShape, 'mouseup', function (e) {
|
---|
601 | if (e.vertex !== undefined || e.edge !== undefined) {
|
---|
602 | that.mapEditorHistory.presentOverlayPush()
|
---|
603 | } else {
|
---|
604 | //that.setSelection(newShape, e);
|
---|
605 | }
|
---|
606 |
|
---|
607 | });
|
---|
608 | }
|
---|
609 | MapEditor.prototype.clearSelection = function () {
|
---|
610 | if (this.selectedShape) {
|
---|
611 | if (this.shiftKeyPressed == false) {
|
---|
612 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
613 | if(this.selectedShapes[i].type !== 'marker') {
|
---|
614 | this.selectedShapes[i].setEditable(false);
|
---|
615 | }
|
---|
616 | }
|
---|
617 | this.selectedShapes = [];
|
---|
618 | }
|
---|
619 | this.selectedShape = null;
|
---|
620 | }
|
---|
621 | }
|
---|
622 |
|
---|
623 | //Set selection for the selected overlay
|
---|
624 | MapEditor.prototype.setSelection = function (shape, e) {
|
---|
625 | //var that = this;
|
---|
626 | if (shape.type !== 'marker') {
|
---|
627 | if (this.shiftKeyPressed == false) {
|
---|
628 | if (e !== null) {
|
---|
629 | if (e.vertex == undefined) {
|
---|
630 | if (e.edge == undefined) {
|
---|
631 | this.clearSelection();
|
---|
632 | shape.setEditable(true);
|
---|
633 | }
|
---|
634 | }
|
---|
635 | }
|
---|
636 | }
|
---|
637 | if (this.selectedShapes.includes(shape)) {
|
---|
638 | if (e !== null) {
|
---|
639 | if (e.vertex == undefined) {
|
---|
640 | if (e.edge == undefined) {
|
---|
641 | this.allowDeselect = true;
|
---|
642 | this.removeFromSelectedShapes(shape);
|
---|
643 | }
|
---|
644 | }
|
---|
645 | }
|
---|
646 | } else {
|
---|
647 | this.allowDeselect = false;
|
---|
648 | shape.setEditable(true);
|
---|
649 | this.selectedShapes.push(shape);
|
---|
650 | }
|
---|
651 |
|
---|
652 | //Send the values to be updated
|
---|
653 | var thi = shape.strokeWeight;
|
---|
654 | var opa = shape.fillOpacity;
|
---|
655 | var fCol = shape.fillColor;
|
---|
656 | var sCol = shape.strokeColor;
|
---|
657 | var description = shape.description;
|
---|
658 | this.updateMenuValues(thi, opa, fCol, sCol, description);
|
---|
659 |
|
---|
660 | } else if (shape.type == 'marker') {
|
---|
661 | this.allowDeselect = false;
|
---|
662 | this.selectedShapes.push(shape);
|
---|
663 | }
|
---|
664 | this.selectedShape = shape;
|
---|
665 | this.settingThePath();
|
---|
666 | }
|
---|
667 |
|
---|
668 | MapEditor.prototype.removeFromSelectedShapes = function (shape) {
|
---|
669 | if (this.selectedShapes.includes(shape)) {
|
---|
670 | if (this.allowDeselect) {
|
---|
671 | const index = this.selectedShapes.indexOf(shape);
|
---|
672 | this.selectedShapes.splice(index, 1);
|
---|
673 | shape.setEditable(false);
|
---|
674 | }
|
---|
675 | this.allowDeselect = true;
|
---|
676 | }
|
---|
677 | }
|
---|
678 |
|
---|
679 | //Set selected label
|
---|
680 | MapEditor.prototype.setSelectedDescription = function (label) {
|
---|
681 | if (this.selectedShapes.length > 0) {
|
---|
682 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
683 | this.selectedShapes[i].set('description', label); //SAME: this.selectedShapes[i].description = label;
|
---|
684 | }
|
---|
685 | }
|
---|
686 | }
|
---|
687 |
|
---|
688 | //Set selected thickness
|
---|
689 | MapEditor.prototype.setSelectedThickness = function (sWeight) {
|
---|
690 | if (this.selectedShapes.length > 0) {
|
---|
691 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
692 | this.selectedShapes[i].set('strokeWeight', sWeight);
|
---|
693 | }
|
---|
694 | }
|
---|
695 | }
|
---|
696 |
|
---|
697 | //Set selected opacity
|
---|
698 | MapEditor.prototype.setSelectedOpacity = function (fOpacity) {
|
---|
699 |
|
---|
700 | if (this.selectedShapes.length > 0) {
|
---|
701 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
702 | this.selectedShapes[i].set('fillOpacity', fOpacity);
|
---|
703 | }
|
---|
704 | }
|
---|
705 | }
|
---|
706 |
|
---|
707 | //set selected fill colour
|
---|
708 | MapEditor.prototype.setSelectedShapeColor = function (color) {
|
---|
709 | if (this.selectedShapes.length > 0) {
|
---|
710 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
711 | this.selectedShapes[i].set('fillColor', color);
|
---|
712 | this.selectedShapes[i].set('strokeColor', color);
|
---|
713 | }
|
---|
714 | }
|
---|
715 | }
|
---|
716 |
|
---|
717 | MapEditor.prototype.getElementByXpath = function (path) {
|
---|
718 | return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
|
---|
719 | }
|
---|
720 |
|
---|
721 | MapEditor.prototype.updateMenuValues = function (thi, opa, fCol, sCol, description) {
|
---|
722 | //Update thickness slider and value on the settings menu
|
---|
723 | var thicknessSliderOutput = document.getElementById("thicknessRangeVal" + "-" + this.id);
|
---|
724 | // update the thickness innerHTML's value to always have 2 decimal places, https://www.w3schools.com/js/js_number_methods.asp
|
---|
725 | thi = parseFloat(thi); //Ensure the thi is a number
|
---|
726 | thicknessSliderOutput.value = thi.toFixed(2);
|
---|
727 | document.getElementById("thicknessRange" + "-" + this.id).value = Math.round((thi * 20) * 100) / 100;
|
---|
728 |
|
---|
729 | //Update the opacity slider and value on the settings menu
|
---|
730 | var opacitySliderOutput = document.getElementById("opacityRangeVal" + "-" + this.id);
|
---|
731 | opacitySliderOutput.value = opa * 100;
|
---|
732 | document.getElementById("colourOpacity" + "-" + this.id).value = opa * 100;
|
---|
733 |
|
---|
734 | // Show the description in the description field
|
---|
735 | var descriptionInput = document.getElementById("description" + "-" + this.id);
|
---|
736 | descriptionInput.value = description;
|
---|
737 |
|
---|
738 | if (this.drawingManager.drawingMode == null) {
|
---|
739 | this.selectColor(fCol);
|
---|
740 | }
|
---|
741 | }
|
---|
742 | MapEditor.prototype.selectAll = function () {
|
---|
743 | this.shiftKeyPressed = true;
|
---|
744 | var e = new Object();
|
---|
745 | e.vertex = undefined;
|
---|
746 | this.selectedShapes = [];
|
---|
747 | for (var i = 0; i < this.overlays.length; i++) {
|
---|
748 | this.setSelection(this.overlays[i], e);
|
---|
749 | }
|
---|
750 | this.shiftKeyPressed = false;
|
---|
751 | }
|
---|
752 | MapEditor.prototype.deselectAll = function () {
|
---|
753 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
754 | if (this.selectedShapes[i].type !== google.maps.drawing.OverlayType.MARKER) {
|
---|
755 | this.selectedShapes[i].setEditable(false);
|
---|
756 | }
|
---|
757 |
|
---|
758 | }
|
---|
759 | this.selectedShapes = [];
|
---|
760 | }
|
---|
761 |
|
---|
762 | // event handler for s being pressed *when map editor has the focus*
|
---|
763 | // For saving and rebuilding, see map_scripts
|
---|
764 | MapEditor.prototype.saveToArchives = function () {
|
---|
765 | var that = this;
|
---|
766 | console.log("Save pressed");
|
---|
767 |
|
---|
768 | var json_overlays = JSON.stringify(ShapesUtil.overlayToJSON(this.overlays));
|
---|
769 | that.savedOverlays = json_overlays; // save the old version to compare with future changes
|
---|
770 | var collection = gs.cgiParams.c;
|
---|
771 | var site_name = gs.xsltParams.site_name;
|
---|
772 | var nodeID = this.id; // documentID, hopefully contains section ID too
|
---|
773 | var metaname = "GPS.mapOverlay";
|
---|
774 |
|
---|
775 | // collection, site, documentID, metadataName, metadataPosition, metadataValue, prevMetadataValue, metamode, responseFunction
|
---|
776 | gs.functions.setArchivesMetadata(collection, site_name, nodeID, metaname, 0, json_overlays, null, "override", function(){
|
---|
777 | console.log("SAVED");
|
---|
778 | }
|
---|
779 | );
|
---|
780 | }
|
---|
781 |
|
---|
782 | // TODO: When finished testing, can remove this debug function that just prints to console
|
---|
783 | MapEditor.prototype.printHistory = function () {
|
---|
784 | console.log("prev", this.mapEditorHistory.prevOverlays);
|
---|
785 | console.log("present ", this.mapEditorHistory.presentOverlays);
|
---|
786 | console.log("undone ", this.mapEditorHistory.undoneOverlays);
|
---|
787 | console.log("@@@@ allShapes: ", this.overlays);
|
---|
788 | console.log("@@@@ selectedShapes: ", this.selectedShapes);
|
---|
789 | }
|
---|
790 |
|
---|
791 | // to be called after reading back in stored JSON from archives meta
|
---|
792 | MapEditor.prototype.LOAD = function (json_str, nodeID) {
|
---|
793 | this.mapEditorHistory.historyOverlayPush();
|
---|
794 |
|
---|
795 | // This seems to convert the map_store object into an array and forces array index access, instead of convenient property access using nodeID
|
---|
796 | //Object.values(gsmap_store)[0]; // Always gets top level section's map-editor, not what we want.
|
---|
797 |
|
---|
798 | // Get the map editor for the nodeID, as we're asked to load that editor
|
---|
799 | var map_editor = gsmap_store["map-"+nodeID];
|
---|
800 |
|
---|
801 | var new_overlays = ShapesUtil.JSONToOverlays(json_str);
|
---|
802 | for (var i=0; i<map_editor.overlays.length; i++) {
|
---|
803 | map_editor.overlays[i].setMap(null);
|
---|
804 | }
|
---|
805 |
|
---|
806 | map_editor.overlays = new_overlays;
|
---|
807 |
|
---|
808 | var local_labels_hashmap = {};
|
---|
809 | for (var i=0; i<map_editor.overlays.length; i++) {
|
---|
810 | var shape = map_editor.overlays[i];
|
---|
811 |
|
---|
812 | // set up the autocomplete list using saved labels/descriptions
|
---|
813 | //map_editor.addToAutocompleteLabelsList(shape.description); // inefficient in ensuring uniqueness of values, use (hash)map
|
---|
814 | if (shape.description !== "") {
|
---|
815 | local_labels_hashmap[shape.description] = 1; // we just want the shape.description added to the map as key, don't care about value
|
---|
816 | // so that we can maintain a list of unique descriptions
|
---|
817 | }
|
---|
818 |
|
---|
819 | // make the shapes selectable on load:
|
---|
820 | if (ShapesUtil.overlayItemIsShape(shape)) {
|
---|
821 | map_editor.addShapeListeners(shape, null); // don't have an overlay event!
|
---|
822 | } else {
|
---|
823 | map_editor.addMarkerListeners(shape, null); // don't have an overlay event!
|
---|
824 | }
|
---|
825 | shape.setMap(map_editor.map);
|
---|
826 | }
|
---|
827 |
|
---|
828 | this.mapEditorHistory.presentOverlayPush();
|
---|
829 |
|
---|
830 |
|
---|
831 | // DO NOT assign "this.autocompleteLabelsList = keys(local_labels_hashmap);"
|
---|
832 | // Because Javascript is like Java and (in this) like C, not like C++. JavaScript uses Call-By-Sharing for objects:
|
---|
833 | // when reference addresses that are overwritten inside functions,
|
---|
834 | // the new address local to the function is not remembered/visible back outside the function
|
---|
835 | // https://stackoverflow.com/questions/518000/is-javascript-a-pass-by-reference-or-pass-by-value-language
|
---|
836 | // Instead, push.apply=addAll elements of keys to our autocomplete list, see
|
---|
837 | // https://stackoverflow.com/questions/35658464/what-is-the-equivalent-of-java-collection-addall-for-javascript-arrays/35658514
|
---|
838 |
|
---|
839 | // Combining contents of one JavaScript Object/hashmap (or associative 'array') into another is also described as merging our JavaScript Objects, so see
|
---|
840 | // https://stackoverflow.com/questions/929776/merging-objects-associative-arrays
|
---|
841 | // We've decided to use the jQuery based suggested solution for merging hashmaps:
|
---|
842 | // $.extend(obj1, obj2); means obj1 = obj1 + obj2. Overwriting any existing properties in obj1 with new values in obj2.
|
---|
843 |
|
---|
844 | console.log("@@@@ Adding local contents to global: "); console.log(local_labels_hashmap);
|
---|
845 | console.log("@@@@ global map before: "); console.log(global_labels_hashmap);
|
---|
846 |
|
---|
847 |
|
---|
848 | $.extend(global_labels_hashmap, local_labels_hashmap);
|
---|
849 |
|
---|
850 | console.log("@@@@ global map after: "); console.log(global_labels_hashmap);
|
---|
851 |
|
---|
852 | // important to empty our global autocomplete labels list array
|
---|
853 | //See https://stackoverflow.com/questions/1232040/how-do-i-empty-an-array-in-javascript
|
---|
854 | // and https://www.jstips.co/en/javascript/two-ways-to-empty-an-array/
|
---|
855 | global_autocompleteLabelsList.length = 0;
|
---|
856 |
|
---|
857 | var keys = Object.keys(global_labels_hashmap);
|
---|
858 | global_autocompleteLabelsList.push.apply(global_autocompleteLabelsList, keys); // addAll keys to our global_autocompleteLabelsList (turns map's keys into array)
|
---|
859 |
|
---|
860 | console.log("@@@@ global ARRAY after setting to global map: "); console.log(global_autocompleteLabelsList);
|
---|
861 | global_autocompleteLabelsList.sort();
|
---|
862 | }
|
---|
863 |
|
---|
864 | MapEditor.prototype.deleteSelectedShapes = function () {
|
---|
865 | if(this.selectedShapes.length !== 0) {
|
---|
866 | this.mapEditorHistory.historyOverlayPush();
|
---|
867 | for (var i = 0; i < this.selectedShapes.length; i++) {
|
---|
868 | this.selectedShapes[i].setMap(null);
|
---|
869 |
|
---|
870 | if (this.overlays.includes(this.selectedShapes[i])) {
|
---|
871 | const index = this.overlays.indexOf(this.selectedShapes[i]);
|
---|
872 | this.overlays.splice(index, 1);
|
---|
873 | // this.selectedShapes[i].setEditable(false);
|
---|
874 | }
|
---|
875 | }
|
---|
876 | this.selectedShapes = [];
|
---|
877 | this.mapEditorHistory.presentOverlayPush();
|
---|
878 | }
|
---|
879 | }
|
---|
880 |
|
---|
881 | MapEditor.prototype.draggableState = function () {
|
---|
882 |
|
---|
883 | var draggableCB = document.querySelector("input[name=draggableCB]");
|
---|
884 | draggableCB.addEventListener('change', function () {
|
---|
885 | if (this.checked) {
|
---|
886 | this.overlays.draggable = false;
|
---|
887 | } else {
|
---|
888 | this.overlays.draggable = false;
|
---|
889 | }
|
---|
890 | });
|
---|
891 | }
|
---|
892 |
|
---|
893 | MapEditor.prototype.deleteAllShapes = function () {
|
---|
894 | if(this.overlays.length !== 0) {
|
---|
895 | //console.log("deleteAllShape() this.id = " + this.id);
|
---|
896 | this.mapEditorHistory.historyOverlayPush();
|
---|
897 | for (var i = 0; i < this.overlays.length; i++) {
|
---|
898 | this.overlays[i].setMap(null);
|
---|
899 | }
|
---|
900 | this.overlays = [];
|
---|
901 | this.mapEditorHistory.presentOverlayPush();
|
---|
902 | }
|
---|
903 | }
|
---|
904 |
|
---|
905 |
|
---|
906 | // Having got our unique (set) of descriptions/labels, we're ready to set it up as the source for our autocomplete list
|
---|
907 | $(function setupAutocompleteLabelsList() {
|
---|
908 | // Overrides the default autocomplete filter function to
|
---|
909 | // search only from the beginning of the string
|
---|
910 | //resource: https://miroslavpopovic.com/posts/2012/06/jqueryui-autocomplete-filter-words-starting-with-term
|
---|
911 | $.ui.autocomplete.filter = function (array, term) {
|
---|
912 | var matcher = new RegExp("^" + $.ui.autocomplete.escapeRegex(term), "i");
|
---|
913 | return $.grep(array, function (value) {
|
---|
914 | return matcher.test(value.label || value.value || value);
|
---|
915 | });
|
---|
916 | };
|
---|
917 |
|
---|
918 | $(".description").autocomplete({
|
---|
919 | source: global_autocompleteLabelsList
|
---|
920 | });
|
---|
921 | });
|
---|