[32709] | 1 | <!DOCTYPE html>
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| 2 | <html>
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| 3 | <head>
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| 4 | <title>Drawing Tools</title>
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| 5 | <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
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| 6 | <meta charset="utf-8">
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| 7 | <style>
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| 8 | /* Always set the map height explicitly to define the size of the div
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| 9 | * element that contains the map. */
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| 10 | #map {
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| 11 | height: 83%;
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| 12 | width: 90;
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| 13 | float: bottom;
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| 14 | clear: both;
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| 15 | }
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| 16 | /* Optional: Makes the sample page fill the window. */
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| 17 | html, body {
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| 18 | height: 100%;
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| 19 | width: 99%;
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| 20 | margin: 0;
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| 21 | padding: 0;
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| 22 |
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| 23 | }
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| 24 |
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| 25 | #DeleteButtons{
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| 26 | display: inline-block;
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| 27 | float: left;
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| 28 | padding-left: 10px;
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| 29 | padding-top: 5px;
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| 30 | width: 100%
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| 31 |
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| 32 | }
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| 33 |
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| 34 | #LineThickness{
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| 35 | display: inline-block;
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| 36 | float: left;
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| 37 | padding-left: 10px;
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| 38 | padding-top: 5px;
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| 39 |
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| 40 | }
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| 41 |
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| 42 | #ColourOpacity{
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| 43 | display: inline-block;
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| 44 | float: left;
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| 45 | padding-left: 10px;
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| 46 | padding-top: 5px;
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| 47 |
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| 48 | }
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| 49 |
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| 50 | #buttons3{
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| 51 | display: inline-block;
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| 52 | float: left;
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| 53 | padding-left: 10px;
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| 54 | padding-top: 5px;
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| 55 |
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| 56 | }
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| 57 |
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| 58 | #FillColour {
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| 59 | display: inline-block;
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| 60 | float: left;
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| 61 | padding-left: 10px;
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| 62 | padding-top: 5px;
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| 63 | }
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| 64 |
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| 65 | #color-palette1 {
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| 66 | clear: both;
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| 67 | }
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| 68 |
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| 69 | .color-buttons1 {
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| 70 | width: 14px;
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| 71 | height: 14px;
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| 72 | font-size: 0;
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| 73 | margin: 2px;
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| 74 | float: left;
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| 75 | cursor: pointer;
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| 76 | }
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| 77 |
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| 78 |
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| 79 | </style>
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| 80 | </head>
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| 81 | <body>
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| 82 | <div id = "DeleteButtons">
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| 83 | <button onclick="removeLine()" accesskey="z">Delete Last</button>
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| 84 | <button onclick="deleteAllShape()" accesskey="c">Clear All</button>
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| 85 | <button onclick="deleteSelectedShape()" accesskey="b">Delete Selected</button>
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| 86 | <button onclick="polygonGetPath()" accesskey="n">Get Path</button>
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| 87 |
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| 88 | </div>
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| 89 |
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| 90 | <div id = "LineThickness">
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| 91 | <p>Line thickness: <input type="range" min="20" max="100" value="1" class="slider" id="thicknessRange"> </p>
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| 92 | <p>Value: <span id="thicknessRangeVal"></span></p>
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| 93 | </div>
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| 94 |
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| 95 | <div id = "ColourOpacity">
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| 96 | <p>Colour opacity: <input type="range" min="10" max="100" value="40" class="slider" id="colourOpacity"> </p>
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| 97 | <p>Value: <span id="opacityRangeVal"></span></p>
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| 98 | </div>
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| 99 |
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| 100 |
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| 101 |
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| 102 | <div id="FillColour">
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| 103 | <p> Fill Colour:</p> <div id="color-palette1"></div>
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| 104 | </div>
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| 105 |
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| 106 |
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| 107 |
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| 108 | <div id="map"></div>
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| 109 |
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| 110 | <script>
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| 111 | var shiftKeyPressed = false;
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| 112 | var mousedDownFired = false;
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| 113 | var colors = ['#1E90FF', '#FF1493', '#4B0082', '#32CD32', '#FF8C00', '#000000'];
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| 114 | var selectedColor;
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| 115 | var colorButtons = {};
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| 116 | var thicknessValue = 1;
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| 117 | var opacityValue = 0.4;
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| 118 | var polyOptions = {
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| 119 | fillColor: '#CA4A2F',
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| 120 | strokeWeight: thicknessValue,
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| 121 | fillOpacity: opacityValue,
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| 122 | editable: true,
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| 123 | draggable: true,
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| 124 | geodesic : false,
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| 125 | };
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| 126 |
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| 127 |
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| 128 | var overlays = [];
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| 129 | var drawingManager;
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| 130 | var selectedShape;
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| 131 | var selectedShapes = [];
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| 132 |
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| 133 |
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| 134 |
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| 135 | //Update thickness
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| 136 | var thicknessSlider = document.getElementById("thicknessRange");
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| 137 | var thicknessSliderOutput = document.getElementById("thicknessRangeVal");
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| 138 | thicknessSliderOutput.innerHTML = thicknessSlider.value/20;
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| 139 |
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| 140 | thicknessSlider.oninput = function() {
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| 141 | thicknessSliderOutput.innerHTML = this.value/20;
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| 142 | thicknessValue = this.value/20;
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| 143 | polyOptions.strokeWeight = thicknessValue;
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| 144 | setSelectedThickness(thicknessValue);
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| 145 | }
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| 146 |
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| 147 | //Update opacity
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| 148 | var opacitySlider = document.getElementById("colourOpacity");
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| 149 | var opacitySliderOutput = document.getElementById("opacityRangeVal");
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| 150 | opacitySliderOutput.innerHTML = "% " + Math.round(opacitySlider.value);
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| 151 |
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| 152 | opacitySlider.oninput = function() {
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| 153 | opacityValue = this.value/100;
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| 154 | polyOptions.fillOpacity = opacityValue;
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| 155 | opacitySliderOutput = opacityValue;
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| 156 | opacityRangeVal.innerHTML = "% " + Math.round( opacitySliderOutput * 100);
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| 157 | setSelectedOpacity(opacityValue);
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| 158 | }
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| 159 |
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| 160 |
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| 161 | ////////////////////////////////////////////////////////////////////////////////////////
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| 162 | function makeColorButton (color) {
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| 163 | var button = document.createElement('span');
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| 164 | button.className = 'color-buttons1';
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| 165 | button.style.backgroundColor = color;
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| 166 | google.maps.event.addDomListener(button, 'click', function () {
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| 167 | selectColor(color);
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| 168 | setSelectedShapeColor(color);
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| 169 | });
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| 170 | return button;
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| 171 | }
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| 172 | function buildColorPalette () {
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| 173 | var colorPalette = document.getElementById('color-palette1');
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| 174 | for (var i = 0; i < colors.length; ++i) {
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| 175 | var currColor = colors[i];
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| 176 | var colorButton = makeColorButton(currColor);
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| 177 | colorPalette.appendChild(colorButton);
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| 178 | colorButtons[currColor] = colorButton;
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| 179 | }
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| 180 | selectColor(colors[0]);
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| 181 | };
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| 182 | function selectColor (color) {
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| 183 | selectedColor = color;
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| 184 | for (var i = 0; i < colors.length; ++i) {
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| 185 | var currColor = colors[i];
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| 186 | colorButtons[currColor].style.border = currColor == color ? '2px solid #789' : '2px solid #fff';
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| 187 | }
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| 188 |
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| 189 | // Retrieves the current options from the drawing manager and replaces the
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| 190 | // stroke or fill color as appropriate.
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| 191 | var polylineOptions = drawingManager.get('polylineOptions');
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| 192 | polylineOptions.strokeColor = color;
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| 193 | drawingManager.set('polylineOptions', polylineOptions);
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| 194 |
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| 195 | var rectangleOptions = drawingManager.get('rectangleOptions');
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| 196 | rectangleOptions.fillColor = color;
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| 197 | drawingManager.set('rectangleOptions', rectangleOptions);
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| 198 |
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| 199 | var circleOptions = drawingManager.get('circleOptions');
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| 200 | circleOptions.fillColor = color;
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| 201 | drawingManager.set('circleOptions', circleOptions);
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| 202 |
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| 203 | var polygonOptions = drawingManager.get('polygonOptions');
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| 204 | polygonOptions.fillColor = color;
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| 205 | drawingManager.set('polygonOptions', polygonOptions);
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| 206 | }
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| 207 |
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| 208 |
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| 209 |
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| 210 |
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| 211 | function initMap() {
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| 212 |
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| 213 | var map = new google.maps.Map(document.getElementById('map'), {
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| 214 | center: {lat: -34.397, lng: 150.644},
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| 215 | zoom: 3
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| 216 | });
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| 217 |
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| 218 |
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| 219 | drawingManager = new google.maps.drawing.DrawingManager({
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| 220 | drawingMode: google.maps.drawing.OverlayType.RECTANGLE,
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| 221 | drawingControl: true,
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| 222 | drawingControlOptions: {
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| 223 | position: google.maps.ControlPosition.TOP_CENTER,
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| 224 | drawingModes: ['marker', 'circle', 'polygon', 'polyline', 'rectangle']
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| 225 | },
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| 226 | markerOptions: { draggable: true},
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| 227 | circleOptions: polyOptions,
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| 228 | polylineOptions : polyOptions,
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| 229 | polygonOptions: polyOptions,
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| 230 | rectangleOptions: polyOptions,
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| 231 | });
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| 232 |
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| 233 | drawingManager.setMap(map);
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| 234 |
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| 235 |
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| 236 | //overlays.push(event.overlay); // store reference to added overlay
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| 237 | google.maps.event.addListener(drawingManager, 'overlaycomplete', function (e) {
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| 238 | overlays.push(e.overlay); // store reference to added overlay
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| 239 | var newShape = e.overlay;
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| 240 | newShape.type = e.type;
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| 241 |
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| 242 | if (e.type !== google.maps.drawing.OverlayType.MARKER) {
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| 243 |
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| 244 | // Switch back to non-drawing mode after drawing a shape.
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| 245 | //drawingManager.setDrawingMode(null);
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| 246 |
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| 247 | // Add an event listener that selects the newly-drawn shape when the user
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| 248 | // mouses down on it.
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| 249 | google.maps.event.addListener(newShape, 'click', function(e) {
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| 250 |
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| 251 | vertexAndPolyDel(e,newShape);
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| 252 | mousedDownFired = false;
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| 253 | return;
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| 254 |
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| 255 | });
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| 256 |
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| 257 | google.maps.event.addListener(newShape, 'drag', function() {
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| 258 | //console.log(selectedShape);
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| 259 | console.log(selectedShapes.length);
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| 260 | if (selectedShapes.length > 1) {
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| 261 | //var xPos = selectedShape.
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| 262 | console.log(selectedShape);
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| 263 | }
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| 264 |
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| 265 | });
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| 266 |
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| 267 | //Add an event listener to select a shape if the mouse hovers over it
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| 268 | google.maps.event.addListener(newShape, 'mousedown', function(e) {
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| 269 | if(drawingManager.drawingMode == null) {
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| 270 | mousedDownFired =true;
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| 271 | // console.log("MOUSDOWN ", e);
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| 272 |
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| 273 | setSelection(newShape);
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| 274 | }
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| 275 | });
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| 276 | setSelection(newShape);
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| 277 | }
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| 278 | else {
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| 279 | //cLICK EVENT IF A MARKER IS CREATED
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| 280 | google.maps.event.addListener(newShape, 'click', function (e) {
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| 281 | setSelection(newShape);
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| 282 | });
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| 283 | setSelection(newShape);
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| 284 | }
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| 285 | });
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| 286 |
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| 287 | //Deletes a vertex if clicked on it
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| 288 | function vertexAndPolyDel(e,newShape) {
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| 289 | var vertex = e.vertex;
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| 290 | if (e.vertex !== undefined) {
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| 291 | if (newShape.type === google.maps.drawing.OverlayType.POLYGON) {
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| 292 | var path = newShape.getPaths().getAt(e.path);
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| 293 | path.removeAt(e.vertex);
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| 294 | if (path.length < 3) {
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| 295 | newShape.setMap(null);
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| 296 | }
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| 297 | }
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| 298 | if (newShape.type === google.maps.drawing.OverlayType.POLYLINE) {
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| 299 | var path = newShape.getPath();
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| 300 | path.removeAt(e.vertex);
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| 301 | if (path.length < 2) {
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| 302 | newShape.setMap(null);
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| 303 | }
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| 304 | }
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| 305 | }
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| 306 |
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| 307 | //if(mousedDownFired == false)
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| 308 | //{
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| 309 | //setSelection(newShape, vertex);
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| 310 | //mousedDownFired = false;
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| 311 | //return;
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| 312 | //}
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| 313 | }
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| 314 |
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| 315 | function clearSelection () {
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| 316 | if (selectedShape) {
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| 317 | if (selectedShape.type !== 'marker') {
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| 318 | selectedShape.setEditable(false);
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| 319 | if(shiftKeyPressed == false){
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| 320 | for (var i=0; i < selectedShapes.length; i++) {
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| 321 | selectedShapes[i].setEditable(false);
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| 322 | }
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| 323 | selectedShapes = [];
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| 324 | }
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| 325 | }
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| 326 |
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| 327 | selectedShape = null;
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| 328 | }
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| 329 | }
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| 330 | var i = 0;
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| 331 | function setSelection (shape, e) {
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| 332 | // console.log(e);
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| 333 | // console.log(selectedShapes.length);
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| 334 | if (shape.type !== 'marker') {
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| 335 | if(shiftKeyPressed == false) {
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| 336 | if(e == undefined) {
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| 337 | clearSelection();
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| 338 | shape.setEditable(true);
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| 339 | }
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| 340 |
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| 341 | }
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| 342 |
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| 343 | //var shapeAlreadySelected = selectedShapes.includes(shape);
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| 344 |
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| 345 | if (selectedShapes.includes(shape)){
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| 346 | shape.setEditable(false);
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| 347 | selectedShapes.splice(shape, 1)
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| 348 | }
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| 349 |
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| 350 | else {
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| 351 | shape.setEditable(true);
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| 352 | selectedShapes.push(shape);
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| 353 | }
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| 354 |
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| 355 |
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| 356 | console.log(selectedShapes.length);
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| 357 |
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| 358 | //Send the values to be updated
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| 359 | var thi = shape.strokeWeight;
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| 360 | var opa = shape.fillOpacity;
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| 361 | var fCol = shape.fillColor;
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| 362 | var sCol = shape.strokeColor;
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| 363 | updateMenuValues(thi, opa, fCol, sCol);
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| 364 |
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| 365 | }
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| 366 | else if (shape.type == 'marker') {
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| 367 | clearSelection();
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| 368 | }
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| 369 |
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| 370 | selectedShape = shape;
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| 371 | }
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| 372 |
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| 373 |
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| 374 | //Clears selection if clicked on the map when shift is not presseed
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| 375 | google.maps.event.addListener(map, 'click', function() {
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| 376 | if (shiftKeyPressed == false) {
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| 377 | clearSelection();
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| 378 | }
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| 379 | });
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| 380 |
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| 381 |
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| 382 |
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| 383 |
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| 384 | //Setting drawing tool option
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| 385 | document.addEventListener('keydown', function() {
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| 386 | //if (event.code == 'KeyX' && (event.ctrlKey || event.metaKey))
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| 387 | if (event.code == 'Digit0' || event.code == 'Numpad0' || event.code == 'Backquote') {
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| 388 | //clearSelection();
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| 389 | drawingManager.setDrawingMode(null);
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| 390 | } else if (event.code == 'Digit1') {
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| 391 | drawingManager.setDrawingMode('marker');
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| 392 | } else if (event.code == 'Digit2') {
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| 393 | drawingManager.setDrawingMode('circle');
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| 394 | } else if (event.code == 'Digit3') {
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| 395 | drawingManager.setDrawingMode('polygon');
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| 396 | } else if (event.code == 'Digit4') {
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| 397 | drawingManager.setDrawingMode('polyline');
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| 398 | } else if (event.code == 'Digit5' ) {
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| 399 | drawingManager.setDrawingMode('rectangle');
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| 400 | }
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| 401 | // console.log(event.code);
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| 402 | });
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| 403 |
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| 404 | //Sets shift as pressed
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| 405 | document.addEventListener('keydown', function() {
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| 406 | if (event.code == 'ShiftLeft' || event.code == 'ShiftRight')
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| 407 | {
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| 408 | shiftKeyPressed = true;
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| 409 |
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| 410 | }
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| 411 |
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| 412 | });
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| 413 |
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| 414 | //Sets shift as unpressed
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| 415 | document.addEventListener('keyup', function() {
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| 416 | if (event.code == 'ShiftLeft' || event.code == 'ShiftRight')
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| 417 | {
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| 418 | shiftKeyPressed = false;
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| 419 | }
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| 420 |
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| 421 | });
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| 422 |
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| 423 |
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| 424 | buildColorPalette();
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| 425 | }
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| 426 | //Set selected thickness
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| 427 | function setSelectedThickness(sWeight) {
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| 428 | if (selectedShape){
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| 429 | selectedShape.set('strokeWeight', sWeight)
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| 430 | }
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| 431 | if(selectedShapes !== 0) {
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| 432 | for (var i=0; i < selectedShapes.length; i++) {
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| 433 | selectedShapes[i].set('strokeWeight', sWeight);
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| 434 | }
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| 435 | }
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| 436 | }
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| 437 |
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| 438 | //Set selected opacity
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| 439 | function setSelectedOpacity(fOpacity) {
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| 440 | if (selectedShape) {
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| 441 | selectedShape.set('fillOpacity', fOpacity)
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| 442 | }
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| 443 | if(selectedShapes !== 0) {
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| 444 | for (var i=0; i < selectedShapes.length; i++) {
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| 445 | selectedShapes[i].set('fillOpacity', fOpacity);
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| 446 | }
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| 447 | }
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| 448 | }
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| 449 |
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| 450 |
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| 451 |
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| 452 | //set selected fill colour
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| 453 | function setSelectedShapeColor (color) {
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| 454 | if (selectedShape) {
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| 455 | if (selectedShape.type == google.maps.drawing.OverlayType.POLYLINE) {
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| 456 | selectedShape.set('strokeColor', color);
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| 457 | } else {
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| 458 | selectedShape.set('fillColor', color);
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| 459 | selectedShape.set('strokeColor', color);
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| 460 | }
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| 461 | }
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| 462 | if(selectedShapes !== 0) {
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| 463 | for (var i=0; i < selectedShapes.length; i++) {
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| 464 | selectedShapes[i].set('fillColor', color);
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| 465 | selectedShapes[i].set('strokeColor', color);
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| 466 | }
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| 467 | }
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| 468 | }
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| 469 |
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| 470 |
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| 471 | function updateMenuValues(thi, opa, fCol, sCol){
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| 472 |
|
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| 473 | //Update thickness slider and value on the settings menu
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| 474 | var thicknessSliderOutput = document.getElementById("thicknessRangeVal");
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| 475 | thicknessSliderOutput.innerHTML = thi;
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| 476 | document.getElementById("thicknessRange").value = thi*20;
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| 477 |
|
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| 478 | //Update the opacity slider and value on the settings menu
|
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| 479 | var opacitySliderOutput = document.getElementById("opacityRangeVal");
|
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| 480 | opacitySliderOutput.innerHTML = "% " + opa*100;
|
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| 481 | document.getElementById("colourOpacity").value = opa*100;
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| 482 |
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| 483 |
|
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| 484 | if (drawingManager.drawingMode == null) {
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| 485 | selectColor(fCol);
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| 486 | }
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| 487 | }
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| 488 |
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| 489 |
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| 490 | function polygonGetPath() {
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| 491 | if (selectedShape){
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| 492 | var Psp = selectedShape.getPaths();
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| 493 | console.log(Psp);
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| 494 | }
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| 495 |
|
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| 496 | }
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| 497 |
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| 498 | function deleteSelectedShape () {
|
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| 499 | for (var i=0; i < selectedShapes.length; i++){
|
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| 500 | selectedShapes[i].setMap(null);
|
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| 501 | }
|
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| 502 | selectedShapes = [];
|
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| 503 | }
|
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| 504 |
|
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| 505 | function removeLine() {
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| 506 | var lastOverlay = overlays.pop();
|
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| 507 | if (lastOverlay) lastOverlay.setMap(null);
|
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| 508 | }
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| 509 |
|
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| 510 | function deleteAllShape() {
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| 511 | for (var i=0; i < overlays.length; i++) {
|
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| 512 | overlays[i].setMap(null);
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| 513 |
|
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| 514 | }
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| 515 | overlays = [];
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| 516 | }
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| 517 |
|
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| 518 | </script>
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| 519 | <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBzunGwIF2OwsfrOkIC_8bhh0OPGZXo52Y&libraries=drawing&callback=initMap" async defer></script>
|
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| 520 | <script src="shortcuts.js"></script>
|
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| 521 | </body>
|
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| 522 | </html> |
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