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Diffstat (limited to 'js/panels/css-panel/style-declaration.reel/style-declaration.js')
-rw-r--r-- | js/panels/css-panel/style-declaration.reel/style-declaration.js | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/js/panels/css-panel/style-declaration.reel/style-declaration.js b/js/panels/css-panel/style-declaration.reel/style-declaration.js new file mode 100644 index 00000000..6187989b --- /dev/null +++ b/js/panels/css-panel/style-declaration.reel/style-declaration.js | |||
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1 | /* <copyright> | ||
2 | This file contains proprietary software owned by Motorola Mobility, Inc.<br/> | ||
3 | No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/> | ||
4 | (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. | ||
5 | </copyright> */ | ||
6 | |||
7 | var Montage = require("montage/core/core").Montage, | ||
8 | Component = require("montage/ui/component").Component, | ||
9 | ShorthandProps = require("js/panels/CSSPanel/css-shorthand-map"); | ||
10 | |||
11 | exports.StyleDeclaration = Montage.create(Component, { | ||
12 | cssText : { value: null }, | ||
13 | focusDelegate : { value: null }, | ||
14 | needsSort : { value: null }, | ||
15 | |||
16 | includeEmptyStyle : { | ||
17 | value: true, | ||
18 | distinct: true | ||
19 | }, | ||
20 | styles : { | ||
21 | value: [], | ||
22 | distinct: true | ||
23 | }, | ||
24 | |||
25 | _styleSortFunction : { | ||
26 | value: function(styleA, styleB) { | ||
27 | ///// If the style is an empty style (with Add button) | ||
28 | ///// push to end of declaration | ||
29 | if(styleA.isEmpty) { | ||
30 | return 1; | ||
31 | } else if (styleB.isEmpty) { | ||
32 | return -1; | ||
33 | } | ||
34 | |||
35 | return 0; | ||
36 | ///// Alphabetic sort based on property name | ||
37 | // if (styleA.name < styleB.name) { | ||
38 | // return -1; | ||
39 | // } else if (styleA.name > styleB.name) { | ||
40 | // return 1; | ||
41 | // } else { | ||
42 | // return 0; | ||
43 | // } | ||
44 | } | ||
45 | }, | ||
46 | _styleFilterFunction: { | ||
47 | value: function(style, styleArray) { | ||
48 | var shorthands = ShorthandProps.CSS_SHORTHAND_MAP[style.name]; | ||
49 | |||
50 | ///// No shorthands, return true to include style | ||
51 | if(!shorthands) { return true; } | ||
52 | |||
53 | var subProps = ShorthandProps.CSS_SHORTHAND_TO_SUBPROP_MAP[shorthands[0]], | ||
54 | stylesArray = styleArray, | ||
55 | hasAll; | ||
56 | |||
57 | debugger; | ||
58 | hasAll = subProps.every(function(subProp) { | ||
59 | debugger; | ||
60 | return this.declaration[subProp]; | ||
61 | }, this); | ||
62 | |||
63 | if(hasAll) { | ||
64 | return false; | ||
65 | } | ||
66 | } | ||
67 | }, | ||
68 | |||
69 | _declaration: { | ||
70 | value: null | ||
71 | }, | ||
72 | declaration: { | ||
73 | get: function() { | ||
74 | return this._declaration; | ||
75 | }, | ||
76 | set: function(dec) { | ||
77 | var stylesArray; | ||
78 | |||
79 | if(this._declaration) { | ||
80 | this.styles = null; | ||
81 | this.styles = []; | ||
82 | } | ||
83 | |||
84 | ///// Take snapshot of declaration | ||
85 | this.cssText = dec.cssText; | ||
86 | |||
87 | stylesArray = this.filterShorthands(Array.prototype.slice.call(dec)); | ||
88 | stylesArray.forEach(function(prop, index) { | ||
89 | this.styles.push({ | ||
90 | name: prop, | ||
91 | value: dec.getPropertyValue(prop), | ||
92 | isEmpty: false | ||
93 | }); | ||
94 | }, this); | ||
95 | |||
96 | if(this.includeEmptyStyle) { | ||
97 | this.styles.push({ | ||
98 | name : "property", | ||
99 | value : "value", | ||
100 | isEmpty : true | ||
101 | }); | ||
102 | } | ||
103 | |||
104 | this._declaration = dec; | ||
105 | this.needsDraw = this.needsSort = true; | ||
106 | } | ||
107 | }, | ||
108 | |||
109 | filterShorthands : { | ||
110 | value: function(styles) { | ||
111 | var shorthandsToAdd = [], | ||
112 | subProps, hasAll; | ||
113 | |||
114 | var stylesCopy = styles.map(function(style) { | ||
115 | return style; | ||
116 | }); | ||
117 | |||
118 | stylesCopy.forEach(function(property, index) { | ||
119 | var shorthands = ShorthandProps.CSS_SHORTHAND_MAP[property]; | ||
120 | if(shorthands) { | ||
121 | subProps = ShorthandProps.CSS_SHORTHAND_TO_SUBPROP_MAP[shorthands[0]]; | ||
122 | |||
123 | hasAll = subProps.every(function(subProp) { | ||
124 | return styles.indexOf(subProp) !== -1; | ||
125 | }); | ||
126 | |||
127 | if(hasAll) { | ||
128 | for(var i = subProps.length-1; i>=0; i--) { | ||
129 | styles.splice(styles.indexOf(subProps[i]), 1); | ||
130 | } | ||
131 | shorthandsToAdd.push(shorthands[0]); | ||
132 | } | ||
133 | |||
134 | return true; | ||
135 | } | ||
136 | }, this); | ||
137 | |||
138 | return styles.concat(shorthandsToAdd); | ||
139 | } | ||
140 | }, | ||
141 | |||
142 | _getStyleToIndexMap : { | ||
143 | value: function() { | ||
144 | var map = {}; | ||
145 | |||
146 | for(var i = 0; i<this.styles.length; i++) { | ||
147 | map[this.styles[i].name] = i; | ||
148 | } | ||
149 | |||
150 | return map; | ||
151 | } | ||
152 | }, | ||
153 | |||
154 | update : { | ||
155 | value: function() { | ||
156 | if(this.declaration.cssText !== this.cssText) { | ||
157 | var usedIndices = [], | ||
158 | styleToIndexMap = this._getStyleToIndexMap(); | ||
159 | |||
160 | Array.prototype.slice.call(this.declaration).forEach(function(prop, index) { | ||
161 | var styleObjectIndex = styleToIndexMap[prop]; | ||
162 | |||
163 | ///// Style component exists for property | ||
164 | ///// Update its value | ||
165 | if(styleObjectIndex !== undefined) { | ||
166 | this.styles[styleObjectIndex].value = this.declaration.getPropertyValue(prop); | ||
167 | usedIndices.push(styleObjectIndex); | ||
168 | } else { | ||
169 | //// styles doesn't exist, does shorthand? | ||
170 | var shorthands = ShorthandProps.CSS_SHORTHAND_MAP[prop], | ||
171 | shorthandUpdated = false; | ||
172 | |||
173 | if(shorthands) { | ||
174 | shorthands.forEach(function(shorthand) { | ||
175 | var shorthandIndex = styleToIndexMap[shorthand]; | ||
176 | if(shorthandIndex) { | ||
177 | //// if shorthand exists in list of rendered styles | ||
178 | //// update it | ||
179 | this.styles[shorthandIndex].value = this.declaration.getPropertyValue(shorthand); | ||
180 | usedIndices.push(shorthandIndex); | ||
181 | shorthandUpdated = true; | ||
182 | } | ||
183 | }, this); | ||
184 | } | ||
185 | |||
186 | if(!shorthandUpdated) { | ||
187 | //// push to usedIndices so we don't remove styles we just added | ||
188 | usedIndices.push(this.styles.length); | ||
189 | this.addStyle(prop, this.declaration.getPropertyValue(prop)); | ||
190 | } | ||
191 | } | ||
192 | }, this); | ||
193 | |||
194 | for(var i = this.styles.length-1; i>=0; i--) { | ||
195 | if(usedIndices.indexOf(i) === -1) { | ||
196 | if(!this.styles[i].isEmpty) { | ||
197 | ///// index not used, remove style | ||
198 | this.removeStyle(this.styles[i]); | ||
199 | } | ||
200 | } | ||
201 | } | ||
202 | |||
203 | ///// Keep copy of cssText to know when we need to | ||
204 | ///// update the view | ||
205 | this.cssText = this.declaration.cssText; | ||
206 | this.needsDraw = this.needsSort = true; | ||
207 | } | ||
208 | } |