third_party/polymer/components-chromium/paper-dropdown-menu/paper-dropdown-menu-extracted.js

   1
   2
   3 (function() {
   4
   5   var p = {
   6
   7     publish: {
   8
   9       /**
  10        * A label for the control. The label is displayed if no item is selected.
  11        *
  12        * @attribute label
  13        * @type string
  14        * @default 'Select an item'
  15        */
  16       label: 'Select an item',
  17
  18       /**
  19        * The icon to display when the drop-down is opened.
  20        *
  21        * @attribute openedIcon
  22        * @type string
  23        * @default 'arrow-drop-up'
  24        */
  25       openedIcon: 'arrow-drop-up',
  26
  27       /**
  28        * The icon to display when the drop-down is closed.
  29        *
  30        * @attribute closedIcon
  31        * @type string
  32        * @default 'arrow-drop-down'
  33        */
  34       closedIcon: 'arrow-drop-down'
  35
  36     },
  37
  38     selectedItemLabel: '',
  39
  40     overlayListeners: {
  41       'core-overlay-open': 'openAction',
  42       'core-activate': 'activateAction',
  43       'core-select': 'selectAction'
  44     },
  45
  46     activateAction: function(e) {
  47       this.opened = false;
  48     },
  49
  50     selectAction: function(e) {
  51       var detail = e.detail;
  52       if (detail.isSelected) {
  53         this.selectedItemLabel = detail.item.label || detail.item.textContent;
  54       } else {
  55         this.selectedItemLabel = '';
  56       }
  57     }
  58
  59   };
  60
  61   Polymer.mixin2(p, Polymer.CoreFocusable);
  62   Polymer('paper-dropdown-menu',p);
  63
  64 })();
  65