source:
trunk/workshop-routing-foss4g/web/OpenLayers/lib/OpenLayers/Style2.js
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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 | * @requires OpenLayers/Rule.js | |
8 | * @requires OpenLayers/Symbolizer/Point.js | |
9 | * @requires OpenLayers/Symbolizer/Line.js | |
10 | * @requires OpenLayers/Symbolizer/Polygon.js | |
11 | * @requires OpenLayers/Symbolizer/Text.js | |
12 | * @requires OpenLayers/Symbolizer/Raster.js | |
13 | */ | |
14 | ||
15 | /** | |
16 | * Class: OpenLayers.Style2 | |
17 | * This class represents a collection of rules for rendering features. | |
18 | */ | |
19 | OpenLayers.Style2 = OpenLayers.Class({ | |
20 | ||
21 | /** | |
22 | * Property: id | |
23 | * {String} A unique id for this session. | |
24 | */ | |
25 | id: null, | |
26 | ||
27 | /** | |
28 | * APIProperty: name | |
29 | * {String} Style identifier. | |
30 | */ | |
31 | name: null, | |
32 | ||
33 | /** | |
34 | * APIProperty: title | |
35 | * {String} Title of this style. | |
36 | */ | |
37 | title: null, | |
38 | ||
39 | /** | |
40 | * APIProperty: description | |
41 | * {String} Description of this style. | |
42 | */ | |
43 | description: null, | |
44 | ||
45 | /** | |
46 | * APIProperty: layerName | |
47 | * {<String>} Name of the layer that this style belongs to, usually | |
48 | * according to the NamedLayer attribute of an SLD document. | |
49 | */ | |
50 | layerName: null, | |
51 | ||
52 | /** | |
53 | * APIProperty: isDefault | |
54 | * {Boolean} | |
55 | */ | |
56 | isDefault: false, | |
57 | ||
58 | /** | |
59 | * APIProperty: rules | |
60 | * {Array(<OpenLayers.Rule>)} Collection of rendering rules. | |
61 | */ | |
62 | rules: null, | |
63 | ||
64 | /** | |
65 | * Constructor: OpenLayers.Style2 | |
66 | * Creates a style representing a collection of rendering rules. | |
67 | * | |
68 | * Parameters: | |
69 | * config - {Object} An object containing properties to be set on the | |
70 | * style. Any documented properties may be set at construction. | |
71 | * | |
72 | * Return: | |
73 | * {<OpenLayers.Style2>} A new style object. | |
74 | */ | |
75 | initialize: function(config) { | |
76 | OpenLayers.Util.extend(this, config); | |
77 | this.id = OpenLayers.Util.createUniqueID(this.CLASS_NAME + "_"); | |
78 | }, | |
79 | ||
80 | /** | |
81 | * APIMethod: destroy | |
82 | * nullify references to prevent circular references and memory leaks | |
83 | */ | |
84 | destroy: function() { | |
85 | for (var i=0, len=this.rules.length; i<len; i++) { | |
86 | this.rules[i].destroy(); | |
87 | } | |
88 | delete this.rules; | |
89 | }, | |
90 | ||
91 | /** | |
92 | * APIMethod: clone | |
93 | * Clones this style. | |
94 | * | |
95 | * Returns: | |
96 | * {<OpenLayers.Style2>} Clone of this style. | |
97 | */ | |
98 | clone: function() { | |
99 | var config = OpenLayers.Util.extend({}, this); | |
100 | // clone rules | |
101 | if (this.rules) { | |
102 | config.rules = []; | |
103 | for (var i=0, len=this.rules.length; i<len; ++i) { | |
104 | config.rules.push(this.rules[i].clone()); | |
105 | } | |
106 | } | |
107 | return new OpenLayers.Style2(config); | |
108 | }, | |
109 | ||
110 | CLASS_NAME: "OpenLayers.Style2" | |
111 | }); |
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