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| 1 <!-- | |
| 2 @license | |
| 3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. | |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 7 Code distributed by Google as part of the polymer project is also | |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 9 --> | |
| 10 | |
| 11 <link rel="import" href="../polymer/polymer.html"> | |
| 12 <link rel="import" href="iron-selectable.html"> | |
| 13 | |
| 14 <script> | |
| 15 /** @polymerBehavior Polymer.IronMultiSelectableBehavior */ | |
| 16 Polymer.IronMultiSelectableBehaviorImpl = { | |
| 17 properties: { | |
| 18 | |
| 19 /** | |
| 20 * If true, multiple selections are allowed. | |
| 21 */ | |
| 22 multi: { | |
| 23 type: Boolean, | |
| 24 value: false, | |
| 25 observer: 'multiChanged' | |
| 26 }, | |
| 27 | |
| 28 /** | |
| 29 * Gets or sets the selected elements. This is used instead of `selected`
when `multi` | |
| 30 * is true. | |
| 31 */ | |
| 32 selectedValues: { | |
| 33 type: Array, | |
| 34 notify: true | |
| 35 }, | |
| 36 | |
| 37 /** | |
| 38 * Returns an array of currently selected items. | |
| 39 */ | |
| 40 selectedItems: { | |
| 41 type: Array, | |
| 42 readOnly: true, | |
| 43 notify: true | |
| 44 }, | |
| 45 | |
| 46 }, | |
| 47 | |
| 48 observers: [ | |
| 49 '_updateSelected(attrForSelected, selectedValues)' | |
| 50 ], | |
| 51 | |
| 52 /** | |
| 53 * Selects the given value. If the `multi` property is true, then the select
ed state of the | |
| 54 * `value` will be toggled; otherwise the `value` will be selected. | |
| 55 * | |
| 56 * @method select | |
| 57 * @param {string} value the value to select. | |
| 58 */ | |
| 59 select: function(value) { | |
| 60 if (this.multi) { | |
| 61 if (this.selectedValues) { | |
| 62 this._toggleSelected(value); | |
| 63 } else { | |
| 64 this.selectedValues = [value]; | |
| 65 } | |
| 66 } else { | |
| 67 this.selected = value; | |
| 68 } | |
| 69 }, | |
| 70 | |
| 71 multiChanged: function(multi) { | |
| 72 this._selection.multi = multi; | |
| 73 }, | |
| 74 | |
| 75 _updateSelected: function() { | |
| 76 if (this.multi) { | |
| 77 this._selectMulti(this.selectedValues); | |
| 78 } else { | |
| 79 this._selectSelected(this.selected); | |
| 80 } | |
| 81 }, | |
| 82 | |
| 83 _selectMulti: function(values) { | |
| 84 this._selection.clear(); | |
| 85 if (values) { | |
| 86 for (var i = 0; i < values.length; i++) { | |
| 87 this._selection.setItemSelected(this._valueToItem(values[i]), true); | |
| 88 } | |
| 89 } | |
| 90 }, | |
| 91 | |
| 92 _selectionChange: function() { | |
| 93 var s = this._selection.get(); | |
| 94 if (this.multi) { | |
| 95 this._setSelectedItems(s); | |
| 96 } else { | |
| 97 this._setSelectedItems([s]); | |
| 98 this._setSelectedItem(s); | |
| 99 } | |
| 100 }, | |
| 101 | |
| 102 _toggleSelected: function(value) { | |
| 103 var i = this.selectedValues.indexOf(value); | |
| 104 var unselected = i < 0; | |
| 105 if (unselected) { | |
| 106 this.selectedValues.push(value); | |
| 107 } else { | |
| 108 this.selectedValues.splice(i, 1); | |
| 109 } | |
| 110 this._selection.setItemSelected(this._valueToItem(value), unselected); | |
| 111 } | |
| 112 }; | |
| 113 | |
| 114 /** @polymerBehavior */ | |
| 115 Polymer.IronMultiSelectableBehavior = [ | |
| 116 Polymer.IronSelectableBehavior, | |
| 117 Polymer.IronMultiSelectableBehaviorImpl | |
| 118 ]; | |
| 119 | |
| 120 </script> | |
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Chromium Code Reviews
Issue 1269803005:
Remove third_party/polymer from .gitignore (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master