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Issue 1155683008: Rename polymer and cr_elements v0_8 to v1_0 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@v1
Patch Set: fix a merge mistake Created 5 years, 6 months ago
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1
2 /** @polymerBehavior Polymer.IronMultiSelectableBehavior */
3 Polymer.IronMultiSelectableBehaviorImpl = {
4 properties: {
5
6 /**
7 * If true, multiple selections are allowed.
8 */
9 multi: {
10 type: Boolean,
11 value: false,
12 observer: 'multiChanged'
13 },
14
15 /**
16 * Gets or sets the selected elements. This is used instead of `selected` when `multi`
17 * is true.
18 */
19 selectedValues: {
20 type: Array,
21 notify: true
22 },
23
24 /**
25 * Returns an array of currently selected items.
26 */
27 selectedItems: {
28 type: Array,
29 readOnly: true,
30 notify: true
31 },
32
33 },
34
35 observers: [
36 '_updateSelected(attrForSelected, selectedValues)'
37 ],
38
39 /**
40 * Selects the given value. If the `multi` property is true, then the select ed state of the
41 * `value` will be toggled; otherwise the `value` will be selected.
42 *
43 * @method select
44 * @param {string} value the value to select.
45 */
46 select: function(value) {
47 if (this.multi) {
48 if (this.selectedValues) {
49 this._toggleSelected(value);
50 } else {
51 this.selectedValues = [value];
52 }
53 } else {
54 this.selected = value;
55 }
56 },
57
58 multiChanged: function(multi) {
59 this._selection.multi = multi;
60 },
61
62 _updateSelected: function() {
63 if (this.multi) {
64 this._selectMulti(this.selectedValues);
65 } else {
66 this._selectSelected(this.selected);
67 }
68 },
69
70 _selectMulti: function(values) {
71 this._selection.clear();
72 if (values) {
73 for (var i = 0; i < values.length; i++) {
74 this._selection.setItemSelected(this._valueToItem(values[i]), true);
75 }
76 }
77 },
78
79 _selectionChange: function() {
80 var s = this._selection.get();
81 if (this.multi) {
82 this._setSelectedItems(s);
83 } else {
84 this._setSelectedItems([s]);
85 this._setSelectedItem(s);
86 }
87 },
88
89 _toggleSelected: function(value) {
90 var i = this.selectedValues.indexOf(value);
91 var unselected = i < 0;
92 if (unselected) {
93 this.selectedValues.push(value);
94 } else {
95 this.selectedValues.splice(i, 1);
96 }
97 this._selection.setItemSelected(this._valueToItem(value), unselected);
98 }
99 };
100
101 /** @polymerBehavior */
102 Polymer.IronMultiSelectableBehavior = [
103 Polymer.IronSelectableBehavior,
104 Polymer.IronMultiSelectableBehaviorImpl
105 ];
106
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