151 lines
No EOL
3.6 KiB
JavaScript
151 lines
No EOL
3.6 KiB
JavaScript
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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var INFO_WINDOW = createInfoWindow("", "300");
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var Polygon = Class.extend({
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init : function(options) {
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this.options = $.extend({}, this.options, options);
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if (options.polygon) {
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this.polygon = options.polygon;
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} else {
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this.polygon = createGooglePolygon(options);
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}
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this.registerEvents();
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},
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options : {
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map : null,
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icon : null,
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position : null,
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content : null
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},
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addToMap : function() {
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this.polygon.setMap(this.options.map);
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this.registerEvents();
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},
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removeFromMap : function() {
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this.unregisterEvents();
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this.polygon.setMap(null);
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},
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show : function() {
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this.polygon.setMap(this.options.map);
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},
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hide : function() {
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this.polygon.setMap(null);
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},
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setIcon : function(icon) {
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},
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setZIndex: function(zIndex){
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this.polygon.zIndex = zIndex;
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},
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setTitle : function(title) {
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this.polygon.title = title;
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},
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setOptions: function(options) {
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this.polygon.setOptions(options);
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},
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registerEvent : function(handler) {
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var me = this;
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if (me.handlers == null) {
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me.handlers = new Array();
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}
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me.handlers.push(handler);
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},
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unregisterEvent : function(handler) {
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if (this.handlers[handler]) {
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removeListener(handler);
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delete(this.handlers[handler]);
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}
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},
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registerEvents : function() {
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},
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unregisterEvents : function() {
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$.each(this.handlers, function(){
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removeListener(this);
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});
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this.handlers = null;
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}
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});
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var RADIAN_PER_DEGREE = Math.PI / 180;
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function degreeToRadians(degree) {
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return degree * RADIAN_PER_DEGREE;
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}
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var TOOLTIP = new Tooltip({ attachedToMouse: true });
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var CirclePolygon = Polygon.extend({
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init : function(options) {
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this.options = $.extend({}, this.options, options);
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this._super(this.options);
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},
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options : {
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radius: 0.0,
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center: null
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},
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addToMap: function() {
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if (!this.isPointsCreated()) {
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this.initCirclePoints();
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}
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this._super();
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},
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show: function() {
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if (!this.isPointsCreated()) {
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this.initCirclePoints();
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}
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this._super();
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},
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isPointsCreated: function() {
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return (this.polygon.getPath().getLength() > 1);
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},
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initCirclePoints: function() {
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this.clearCirclePoints();
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this.createCirclePoints();
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},
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createCirclePoints: function() {
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var me = this;
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var map = me.options.map;
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var latLngArray = new google.maps.MVCArray(); // Circle's LatLngs
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if (map && map.getProjection()) {
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var projection = map.getProjection();
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var centerPoint = projection.fromLatLngToPoint(me.options.center);
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var radius = me.options.radius;
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var incrementDegreeBy = (radius > 2) ? 1 : 10;
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// Create polygon points (extra point to close polygon)
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for (var degree = 0; degree < 360; degree+=incrementDegreeBy) {
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var radian = degreeToRadians(degree);
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var x = centerPoint.x + (radius * Math.sin(radian));
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var y = centerPoint.y + (radius * Math.cos(radian));
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var point = new google.maps.Point(parseFloat(x), parseFloat(y));
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latLngArray.push(projection.fromPointToLatLng(point));
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}
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}
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me.polygon.setPath(latLngArray);
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},
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clearCirclePoints: function() {
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this.polygon.getPath().clear();
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},
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setRadius: function(radius) {
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this.polygon.radius = radius;
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this.options.radius = radius;
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this.initCirclePoints();
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},
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registerEvents: function() {
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var me = this;
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var polygon = me.polygon;
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this.registerEvent(addMapProjectionChangedListener(me.options.map, function() {
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me.initCirclePoints();
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}));
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this.registerEvent(addMouseOverListener(polygon, function() {
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TOOLTIP.setHtml("<b>" + this.label + "</b>");
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TOOLTIP.show();
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}));
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this.registerEvent(addMouseOutListener(polygon, function() {
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TOOLTIP.hide();
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}));
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}
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}); |