source:
trunk/workshop-routing-foss4g/web/OpenLayers/lib/OpenLayers/Marker/Box.js
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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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