source:
trunk/workshop-routing-foss4g/web/OpenLayers/lib/OpenLayers/Marker/Box.js
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Revision 76, 2.7 KB checked in by djay, 12 years ago (diff) | |
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[76] | 1 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for |
2 | * full list of contributors). Published under the Clear BSD license. | |
3 | * See http://svn.openlayers.org/trunk/openlayers/license.txt for the | |
4 | * full text of the license. */ | |
5 | ||
6 | ||
7 | /** | |
8 | * @requires OpenLayers/Marker.js | |
9 | */ | |
10 | ||
11 | /** | |
12 | * Class: OpenLayers.Marker.Box | |
13 | * | |
14 | * Inherits from: | |
15 | * - <OpenLayers.Marker> | |
16 | */ | |
17 | OpenLayers.Marker.Box = OpenLayers.Class(OpenLayers.Marker, { | |
18 | ||
19 | /** | |
20 | * Property: bounds | |
21 | * {<OpenLayers.Bounds>} | |
22 | */ | |
23 | bounds: null, | |
24 | ||
25 | /** | |
26 | * Property: div | |
27 | * {DOMElement} | |
28 | */ | |
29 | div: null, | |
30 | ||
31 | /** | |
32 | * Constructor: OpenLayers.Marker.Box | |
33 | * | |
34 | * Parameters: | |
35 | * bounds - {<OpenLayers.Bounds>} | |
36 | * borderColor - {String} | |
37 | * borderWidth - {int} | |
38 | */ | |
39 | initialize: function(bounds, borderColor, borderWidth) { | |
40 | this.bounds = bounds; | |
41 | this.div = OpenLayers.Util.createDiv(); | |
42 | this.div.style.overflow = 'hidden'; | |
43 | this.events = new OpenLayers.Events(this, this.div, null); | |
44 | this.setBorder(borderColor, borderWidth); | |
45 | }, | |
46 | ||
47 | /** | |
48 | * Method: destroy | |
49 | */ | |
50 | destroy: function() { | |
51 | ||
52 | this.bounds = null; | |
53 | this.div = null; | |
54 | ||
55 | OpenLayers.Marker.prototype.destroy.apply(this, arguments); | |
56 | }, | |
57 | ||
58 | /** | |
59 | * Method: setBorder | |
60 | * Allow the user to change the box's color and border width | |
61 | * | |
62 | * Parameters: | |
63 | * color - {String} Default is "red" | |
64 | * width - {int} Default is 2 | |
65 | */ | |
66 | setBorder: function (color, width) { | |
67 | if (!color) { | |
68 | color = "red"; | |
69 | } | |
70 | if (!width) { | |
71 | width = 2; | |
72 | } | |
73 | this.div.style.border = width + "px solid " + color; | |
74 | }, | |
75 | ||
76 | /** | |
77 | * Method: draw | |
78 | * | |
79 | * Parameters: | |
80 | * px - {<OpenLayers.Pixel>} | |
81 | * sz - {<OpenLayers.Size>} | |
82 | * | |
83 | * Returns: | |
84 | * {DOMElement} A new DOM Image with this markerŽs icon set at the | |
85 | * location passed-in | |
86 | */ | |
87 | draw: function(px, sz) { | |
88 | OpenLayers.Util.modifyDOMElement(this.div, null, px, sz); | |
89 | return this.div; | |
90 | }, | |
91 | ||
92 | /** | |
93 | * Method: onScreen | |
94 | * | |
95 | * Rreturn: | |
96 | * {Boolean} Whether or not the marker is currently visible on screen. | |
97 | */ | |
98 | onScreen:function() { | |
99 | var onScreen = false; | |
100 | if (this.map) { | |
101 | var screenBounds = this.map.getExtent(); | |
102 | onScreen = screenBounds.containsBounds(this.bounds, true, true); | |
103 | } | |
104 | return onScreen; | |
105 | }, | |
106 | ||
107 | /** | |
108 | * Method: display | |
109 | * Hide or show the icon | |
110 | * | |
111 | * Parameters: | |
112 | * display - {Boolean} | |
113 | */ | |
114 | display: function(display) { | |
115 | this.div.style.display = (display) ? "" : "none"; | |
116 | }, | |
117 | ||
118 | CLASS_NAME: "OpenLayers.Marker.Box" | |
119 | }); | |
120 |
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