Created
June 12, 2013 14:45
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Google Maps v3 Drawing Tools
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"> | |
<meta charset="UTF-8"> | |
<title>Drawing Tools</title> | |
<script type="text/javascript" | |
src="http://maps.google.com/maps/api/js?sensor=false&libraries=drawing"></script> | |
<style type="text/css"> | |
#map, html, body { | |
padding: 0; | |
margin: 0; | |
width: 960px; | |
height: 700px; | |
} | |
#panel { | |
width: 200px; | |
font-family: Arial, sans-serif; | |
font-size: 13px; | |
float: right; | |
margin: 10px; | |
} | |
#color-palette { | |
clear: both; | |
} | |
.color-button { | |
width: 14px; | |
height: 14px; | |
font-size: 0; | |
margin: 2px; | |
float: left; | |
cursor: pointer; | |
} | |
#delete-button { | |
margin-top: 5px; | |
} | |
</style> | |
<script type="text/javascript"> | |
var drawingManager; | |
var selectedShape; | |
var colors = ['#1E90FF', '#FF1493', '#32CD32', '#FF8C00', '#4B0082']; | |
var selectedColor; | |
var colorButtons = {}; | |
function clearSelection () { | |
if (selectedShape) { | |
selectedShape.setEditable(false); | |
selectedShape = null; | |
} | |
} | |
function setSelection (shape) { | |
clearSelection(); | |
selectedShape = shape; | |
shape.setEditable(true); | |
selectColor(shape.get('fillColor') || shape.get('strokeColor')); | |
} | |
function deleteSelectedShape () { | |
if (selectedShape) { | |
selectedShape.setMap(null); | |
} | |
} | |
function selectColor (color) { | |
selectedColor = color; | |
for (var i = 0; i < colors.length; ++i) { | |
var currColor = colors[i]; | |
colorButtons[currColor].style.border = currColor == color ? '2px solid #789' : '2px solid #fff'; | |
} | |
// Retrieves the current options from the drawing manager and replaces the | |
// stroke or fill color as appropriate. | |
var polylineOptions = drawingManager.get('polylineOptions'); | |
polylineOptions.strokeColor = color; | |
drawingManager.set('polylineOptions', polylineOptions); | |
var rectangleOptions = drawingManager.get('rectangleOptions'); | |
rectangleOptions.fillColor = color; | |
drawingManager.set('rectangleOptions', rectangleOptions); | |
var circleOptions = drawingManager.get('circleOptions'); | |
circleOptions.fillColor = color; | |
drawingManager.set('circleOptions', circleOptions); | |
var polygonOptions = drawingManager.get('polygonOptions'); | |
polygonOptions.fillColor = color; | |
drawingManager.set('polygonOptions', polygonOptions); | |
} | |
function setSelectedShapeColor (color) { | |
if (selectedShape) { | |
if (selectedShape.type == google.maps.drawing.OverlayType.POLYLINE) { | |
selectedShape.set('strokeColor', color); | |
} else { | |
selectedShape.set('fillColor', color); | |
} | |
} | |
} | |
function makeColorButton (color) { | |
var button = document.createElement('span'); | |
button.className = 'color-button'; | |
button.style.backgroundColor = color; | |
google.maps.event.addDomListener(button, 'click', function () { | |
selectColor(color); | |
setSelectedShapeColor(color); | |
}); | |
return button; | |
} | |
function buildColorPalette () { | |
var colorPalette = document.getElementById('color-palette'); | |
for (var i = 0; i < colors.length; ++i) { | |
var currColor = colors[i]; | |
var colorButton = makeColorButton(currColor); | |
colorPalette.appendChild(colorButton); | |
colorButtons[currColor] = colorButton; | |
} | |
selectColor(colors[0]); | |
} | |
function initialize () { | |
var map = new google.maps.Map(document.getElementById('map'), { | |
zoom: 16, | |
center: new google.maps.LatLng(52.25097, 20.97114), | |
mapTypeId: google.maps.MapTypeId.SATELLITE, | |
disableDefaultUI: true, | |
zoomControl: true | |
}); | |
var polyOptions = { | |
strokeWeight: 0, | |
fillOpacity: 0.45, | |
editable: true, | |
draggable: true | |
}; | |
// Creates a drawing manager attached to the map that allows the user to draw | |
// markers, lines, and shapes. | |
drawingManager = new google.maps.drawing.DrawingManager({ | |
drawingMode: google.maps.drawing.OverlayType.POLYGON, | |
markerOptions: { | |
draggable: true | |
}, | |
polylineOptions: { | |
editable: true, | |
draggable: true | |
}, | |
rectangleOptions: polyOptions, | |
circleOptions: polyOptions, | |
polygonOptions: polyOptions, | |
map: map | |
}); | |
google.maps.event.addListener(drawingManager, 'overlaycomplete', function (e) { | |
if (e.type !== google.maps.drawing.OverlayType.MARKER) { | |
// Switch back to non-drawing mode after drawing a shape. | |
drawingManager.setDrawingMode(null); | |
// Add an event listener that selects the newly-drawn shape when the user | |
// mouses down on it. | |
var newShape = e.overlay; | |
newShape.type = e.type; | |
google.maps.event.addListener(newShape, 'click', function (e) { | |
if (e.vertex !== undefined) { | |
if (newShape.type === google.maps.drawing.OverlayType.POLYGON) { | |
var path = newShape.getPaths().getAt(e.path); | |
path.removeAt(e.vertex); | |
if (path.length < 3) { | |
newShape.setMap(null); | |
} | |
} | |
if (newShape.type === google.maps.drawing.OverlayType.POLYLINE) { | |
var path = newShape.getPath(); | |
path.removeAt(e.vertex); | |
if (path.length < 2) { | |
newShape.setMap(null); | |
} | |
} | |
} | |
setSelection(newShape); | |
}); | |
setSelection(newShape); | |
} | |
}); | |
// Clear the current selection when the drawing mode is changed, or when the | |
// map is clicked. | |
google.maps.event.addListener(drawingManager, 'drawingmode_changed', clearSelection); | |
google.maps.event.addListener(map, 'click', clearSelection); | |
google.maps.event.addDomListener(document.getElementById('delete-button'), 'click', deleteSelectedShape); | |
buildColorPalette(); | |
} | |
google.maps.event.addDomListener(window, 'load', initialize); | |
</script> | |
</head> | |
<body> | |
<div id="panel"> | |
<div id="color-palette"></div> | |
<div> | |
<button id="delete-button">Delete Selected Shape</button> | |
</div> | |
</div> | |
<div id="map"></div> | |
</body> | |
</html> |
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This is awesome, and would be very useful to me. I am not familiar with Gist and was wondering what type of license is in effect here.
Thanks!