index.html
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<html>
<head>
<link rel="stylesheet" type="text/css" href="/static/font/Cabin.css" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- Conditional commenting for non-IE browsers -->
<!--[if !IE]><!-->
<link rel="stylesheet" type="text/css" href="/static/wicket/doc/index.css" />
<!--<![endif]-->
<!-- Conditional commenting for IE 6.x -->
<!--[if IE]>
<link rel="stylesheet" type="text/css" href="index.ie.css" />
<![endif]-->
<!--<link rel="stylesheet" href="../lib/leaflet.css" />-->
<!--[if lte IE 8]>
<link rel="stylesheet" href="../lib/leaflet.ie.css" />
<![endif]-->
</head>
<title>Wicket - Lightweight Javascript for WKT [Sandbox]</title>
<!--<script src="../lib/leaflet.js"></script>-->
<script src="http://maps.google.com/maps/api/js?sensor=false&libraries=drawing" type="text/javascript"></script>
<script src="../wicket.js" type="text/javascript"></script>
<script src="../wicket-gmap3.js" type="text/javascript"></script>
<script type="text/javascript">
var app = (function () {
return {
features: [],
/**
* Clears the map contents.
*/
clearMap: function () {
var i;
// Reset the remembered last string (so that we can clear the map,
// paste the same string, and see it again)
document.getElementById('wkt').last = '';
for (i in this.features) {
if (this.features.hasOwnProperty(i)) {
this.features[i].setMap(null);
}
}
this.features.length = 0;
},
/**
* Clears the current contents of the textarea.
*/
clearText: function () {
document.getElementById('wkt').value = '';
},
/**
* Maps the current contents of the textarea.
* @return {Object} Some sort of geometry object
*/
mapIt: function () {
var el, obj, wkt;
el = document.getElementById('wkt');
wkt = new Wkt.Wkt();
if (el.last === el.value) { // Remember the last string
return; // Do nothing if the WKT string hasn't changed
} else {
el.last = el.value;
}
try { // Catch any malformed WKT strings
wkt.read(el.value);
} catch (e1) {
try {
wkt.read(el.value.replace('\n', '').replace('\r', '').replace('\t', ''));
} catch (e2) {
if (e2.name === 'WKTError') {
alert('Wicket could not understand the WKT string you entered. Check that you have parentheses balanced, and try removing tabs and newline characters.');
return;
}
}
}
obj = wkt.toObject(this.gmap.defaults); // Make an object
// Add listeners for overlay editing events
if (!Wkt.isArray(obj) && wkt.type !== 'point') {
// New vertex is inserted
google.maps.event.addListener(obj.getPath(), 'insert_at', function (n) {
app.updateText();
});
// Existing vertex is removed (insertion is undone)
google.maps.event.addListener(obj.getPath(), 'remove_at', function (n) {
app.updateText();
});
// Existing vertex is moved (set elsewhere)
google.maps.event.addListener(obj.getPath(), 'set_at', function (n) {
app.updateText();
});
} else {
if (obj.setEditable) {obj.setEditable(false);}
}
if (Wkt.isArray(obj)) { // Distinguish multigeometries (Arrays) from objects
for (i in obj) {
if (obj.hasOwnProperty(i) && !Wkt.isArray(obj[i])) {
obj[i].setMap(this.gmap);
}
if (wkt.type !== 'point') {
// New vertex is inserted
google.maps.event.addListener(obj[i].getPath(), 'insert_at', function (n) {
app.updateTextPart();
});
// Existing vertex is removed (insertion is undone)
google.maps.event.addListener(obj[i].getPath(), 'remove_at', function (n) {
app.updateTextPart();
});
// Existing vertex is moved (set elsewhere)
google.maps.event.addListener(obj[i].getPath(), 'set_at', function (n) {
app.updateTextPart();
});
}
}
this.features = this.features.concat(obj);
} else {
obj.setMap(this.gmap); // Add it to the map
this.features.push(obj);
}
// Pan the map to the feature
if (obj.getBounds !== undefined && typeof obj.getBounds === 'function') {
// For objects that have defined bounds or a way to get them
this.gmap.fitBounds(obj.getBounds());
} else {
if (obj.getPath !== undefined && typeof obj.getPath === 'function') {
// For Polygons and Polylines
this.gmap.panTo(obj.getPath().getAt(0));
} else { // But points (Markers) are different
if (obj.getPosition !== undefined && typeof obj.getPosition === 'function') {
this.gmap.panTo(obj.getPosition());
}
}
}
return obj;
},
/**
* Updates the textarea based on the first available feature.
*/
updateText: function () {
var wkt = new Wkt.Wkt();
wkt.fromObject(this.features[0]);
document.getElementById('wkt').value = wkt.write();
},
updateTextPart: function () {
var i, w, v;
w = new Wkt.Wkt(this.features[0]);
i = 1;
while (i < this.features.length) {
v = new Wkt.Wkt(this.features[i]);
w.merge(v);
i += 1;
}
document.getElementById('wkt').value = w.write();
},
/**
* Formats the textarea contents for a URL.
* @param checked {Boolean} The check state of the associated checkbox
*/
urlify: function (checked) {
var wkt = new Wkt.Wkt();
wkt.read(document.getElementById('wkt').value);
wkt.delimiter = (checked) ? '+' : ' ';
document.getElementById('wkt').value = wkt.write();
return wkt;
},
/**
* Application entry point.
* @return {<google.maps.Map>} The Google Maps API instance
*/
init: function () {
var gmap;
gmap = new google.maps.Map(document.getElementById('canvas'), {
center: new google.maps.LatLng(30, 10),
defaults: {
icon: 'red_dot.png',
shadow: 'dot_shadow.png',
editable: true,
strokeColor: '#990000',
fillColor: '#EEFFCC',
fillOpacity: 0.6
},
disableDefaultUI: true,
mapTypeControl: true,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControlOptions: {
position: google.maps.ControlPosition.TOP_LEFT,
style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
},
panControl: false,
streetViewControl: false,
zoom: 2,
zoomControl: true,
zoomControlOptions: {
position: google.maps.ControlPosition.LEFT_TOP,
style: google.maps.ZoomControlStyle.SMALL
}
});
google.maps.event.addListener(gmap, 'tilesloaded', function () {
if (!this.loaded) {
this.loaded = true;
// NOTE: We start with a MULTIPOLYGON; these aren't easily deconstructed, so we won't set this object to be editable in this example
document.getElementById('wkt').value = 'MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)), ((20 35, 45 20, 30 5, 10 10, 10 30, 20 35), (30 20, 20 25, 20 15, 30 20)))';
app.mapIt();
}
});
gmap.drawingManager = new google.maps.drawing.DrawingManager({
drawingControlOptions: {
position: google.maps.ControlPosition.TOP_CENTER,
drawingModes: [
google.maps.drawing.OverlayType.MARKER,
google.maps.drawing.OverlayType.POLYLINE,
google.maps.drawing.OverlayType.POLYGON,
google.maps.drawing.OverlayType.RECTANGLE
]
},
markerOptions: gmap.defaults,
polygonOptions: gmap.defaults,
polylineOptions: gmap.defaults,
rectangleOptions: gmap.defaults
});
gmap.drawingManager.setMap(gmap);
google.maps.event.addListener(gmap.drawingManager, 'overlaycomplete', function (event) {
var wkt;
app.clearText();
app.clearMap();
// Set the drawing mode to "pan" (the hand) so users can immediately edit
this.setDrawingMode(null);
// Polygon drawn
if (event.type === google.maps.drawing.OverlayType.POLYGON || event.type === google.maps.drawing.OverlayType.POLYLINE) {
// New vertex is inserted
google.maps.event.addListener(event.overlay.getPath(), 'insert_at', function (n) {
app.updateText();
});
// Existing vertex is removed (insertion is undone)
google.maps.event.addListener(event.overlay.getPath(), 'remove_at', function (n) {
app.updateText();
});
// Existing vertex is moved (set elsewhere)
google.maps.event.addListener(event.overlay.getPath(), 'set_at', function (n) {
app.updateText();
});
} else if (event.type === google.maps.drawing.OverlayType.RECTANGLE) { // Rectangle drawn
// Listen for the 'bounds_changed' event and update the geometry
google.maps.event.addListener(event.overlay, 'bounds_changed', function () {
app.updateText();
});
}
app.features.push(event.overlay);
wkt = new Wkt.Wkt();
wkt.fromObject(event.overlay);
document.getElementById('wkt').value = wkt.write();
});
return gmap;
}
};
}()); // Execute immediately
</script>
<body onload="app.gmap=app.init();">
<a href="http://github.com/arthur-e/Wicket">
<div id="forkme">
</div>
</a>
<div id="head">
<div class="wrapper">
</div>
</div>
<div id="ribbon">
<div class="wrapper">
<div id="canvas">
</div>
<div id="controls">
<div class="title">
<div class="brand">Wicket</div>
It whispers WKT in your application's ear.
</div>
<div class="text">
Wicket is a lightweight Javascript library that reads and writes <a href="http://en.wikipedia.org/wiki/Well-known_text#Geometric_objects" target="_blaknk">Well-Known Text (WKT)</a> strings. It can also be extended to parse and to create geometric objects from various mapping frameworks, such as <a href="http://http://leafletjs.com/" target="_blank">Leaflet</a> and the Google Maps API.
</div>
<div id="form">
<textarea type="text" name="wkt" id="wkt"></textarea>
<label><input type="checkbox" name="urlify" id="urlify" onchange="app.urlify(this.checked);" />Format for URLs</label>
<input type="submit" id="submit" value="Map It!" onclick="app.clearMap();app.mapIt();" />
<input type="reset" id="reset" value="Clear Map" onclick="app.clearText();app.clearMap();" />
</div>
</div>
</div>
</div>
<div id="foot">
<div class="wrapper">
<div class="menu" id="nav">
<a href="/">Home</a>
<a href="mailto:kaendsle@mtu.edu">Contact Me</a>
<a href="http://github.com/arthur-e/Wicket">"Fork me on GitHub!"</a>
</div>
<div class="attribute">
Design © 2012-2013 <a href="mailto:kaendsle@mtu.edu">K. Arthur Endsley</a>
<a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/deed.en_GB">
<img alt="Wicket is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License" style="float:right;border-width:0;vertical-align:middle;" src="http://i.creativecommons.org/l/by-sa/3.0/80x15.png" />
</a><br />
Wicket is released under the <a href="https://github.com/arthur-e/Wicket/blob/master/LICENSE" target="_blank">GPL v3</a><br />
</div>
</div>
</div>
</body>
</html>