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1 <!-- | |
2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | |
3 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
5 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
6 Code distributed by Google as part of the polymer project is also | |
7 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
8 --> | |
9 | |
10 <link rel="import" href="../polymer/polymer.html"> | |
11 | |
12 <polymer-element name="core-slide" attributes="open closed vertical target targe
tId"> | |
13 | |
14 <template> | |
15 | |
16 <style> | |
17 :host { | |
18 display: none; | |
19 } | |
20 </style> | |
21 | |
22 </template> | |
23 | |
24 <script> | |
25 | |
26 Polymer('core-slide', { | |
27 | |
28 closed: false, | |
29 open: true, | |
30 vertical: false, | |
31 targetId: '', | |
32 target: null, | |
33 | |
34 ready: function() { | |
35 this.setAttribute('nolayout', ''); | |
36 }, | |
37 | |
38 attached: function() { | |
39 this.target = this.parentNode; | |
40 }, | |
41 | |
42 targetIdChanged: function() { | |
43 var p = this.parentNode; | |
44 while (p.parentNode) {p = p.parentNode;}; | |
45 this.target = p.querySelector('#' + this.targetId); | |
46 }, | |
47 | |
48 targetChanged: function() { | |
49 if (this.closed) { | |
50 this.asyncMethod(this.update); | |
51 } | |
52 }, | |
53 | |
54 toggle: function() { | |
55 this.open = !this.open; | |
56 }, | |
57 | |
58 closedChanged: function() { | |
59 this.open = !this.closed; | |
60 }, | |
61 | |
62 openChanged: function() { | |
63 this.asyncMethod(this.update); | |
64 }, | |
65 | |
66 update: function() { | |
67 this.closed = !this.open; | |
68 if (this.target) { | |
69 if (this.vertical) { | |
70 if (this.target.style.top !== '') { | |
71 this.updateTop(); | |
72 } else { | |
73 this.updateBottom(); | |
74 } | |
75 } else { | |
76 if (this.target.style.left !== '') { | |
77 this.updateLeft(); | |
78 } else { | |
79 this.updateRight(); | |
80 } | |
81 } | |
82 } | |
83 }, | |
84 | |
85 updateLeft: function() { | |
86 var w = this.target.offsetWidth; | |
87 var l = this.open ? 0 : -w; | |
88 this.target.style.left = l + 'px'; | |
89 var s = this.target.nextElementSibling; | |
90 while (s) { | |
91 if (!s.hasAttribute('nolayout')) { | |
92 if (s.style.left === '' && s.style.right !== '') { | |
93 break; | |
94 } | |
95 l += w; | |
96 s.style.left = l + 'px'; | |
97 w = s.offsetWidth; | |
98 } | |
99 s = s.nextElementSibling; | |
100 } | |
101 }, | |
102 | |
103 updateRight: function() { | |
104 var w = this.target.offsetWidth; | |
105 var r = this.open ? 0 : -w; | |
106 this.target.style.right = r + 'px'; | |
107 //var s = this.target.previousElementSibling; | |
108 var s = previousElementSibling(this.target); | |
109 while (s) { | |
110 if (!s.hasAttribute('nolayout')) { | |
111 if (s.style.right === '' && s.style.left !== '') { | |
112 break; | |
113 } | |
114 r += w; | |
115 s.style.right = r + 'px'; | |
116 w = s.offsetWidth; | |
117 } | |
118 //if (s == s.previousElementSibling) { | |
119 // console.error(s.localName + ' is its own sibling', s); | |
120 // break; | |
121 //} | |
122 //s = s.previousElementSibling; | |
123 s = previousElementSibling(s); | |
124 } | |
125 }, | |
126 | |
127 updateTop: function() { | |
128 var h = this.target.offsetHeight; | |
129 var t = this.open ? 0 : -h; | |
130 this.target.style.top = t + 'px'; | |
131 var s = this.target.nextElementSibling; | |
132 while (s) { | |
133 if (!s.hasAttribute('nolayout')) { | |
134 if (s.style.top === '' && s.style.bottom !== '') { | |
135 break; | |
136 } | |
137 t += h; | |
138 s.style.top = t + 'px'; | |
139 h = s.offsetHeight; | |
140 } | |
141 s = s.nextElementSibling; | |
142 } | |
143 }, | |
144 | |
145 updateBottom: function() { | |
146 var h = this.target.offsetHeight; | |
147 var b = this.open ? 0 : -h; | |
148 this.target.style.bottom = b + 'px'; | |
149 //var s = this.target.previousElementSibling; | |
150 var s = previousElementSibling(this.target); | |
151 while (s) { | |
152 if (!s.hasAttribute('nolayout')) { | |
153 if (s.style.bottom === '' && s.style.top !== '') { | |
154 break; | |
155 } | |
156 b = b + h; | |
157 s.style.bottom = b + 'px'; | |
158 h = s.offsetHeight; | |
159 } | |
160 //if (s == s.previousElementSibling) { | |
161 // console.error(s.localName + ' is its own sibling', s); | |
162 // break; | |
163 //} | |
164 //s = s.previousElementSibling; | |
165 s = previousElementSibling(s); | |
166 } | |
167 } | |
168 | |
169 }); | |
170 | |
171 // TODO(sjmiles): temporary workaround for b0rked property in ShadowDOMPolyf
ill | |
172 function previousElementSibling(e) { | |
173 do { | |
174 e = e.previousSibling; | |
175 } while (e && e.nodeType !== Node.ELEMENT_NODE); | |
176 return e; | |
177 }; | |
178 | |
179 </script> | |
180 | |
181 </polymer-element> | |
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