third_party/polymer/components-chromium/core-input/core-input-extracted.js

   1
   2
   3   Polymer('core-input', {
   4
   5     publish: {
   6
   7       /**
   8        * The "committed" value of the input, ie. the input value when the user
   9        * hits the "enter" key or blurs the input after changing the value. You
  10        * can bind to this value instead of listening for the "change" event.
  11        * Setting this property has no effect on the input value.
  12        *
  13        * @attribute committedValue
  14        * @type string
  15        * @default ''
  16        */
  17       committedValue: '',
  18
  19       /**
  20        * Set to true to prevent invalid input from being entered.
  21        *
  22        * @attribute preventInvalidInput
  23        * @type boolean
  24        * @default false
  25        */
  26       preventInvalidInput: false
  27
  28     },
  29
  30     previousValidInput: '',
  31
  32     eventDelegates: {
  33       input: 'inputAction',
  34       change: 'changeAction'
  35     },
  36
  37     ready: function() {
  38       /* set ARIA attributes */
  39       this.disabledHandler();
  40       this.placeholderHandler();
  41     },
  42
  43     attributeChanged: function(attr, old) {
  44       if (this[attr + 'Handler']) {
  45         this[attr + 'Handler'](old);
  46       }
  47     },
  48
  49     disabledHandler: function() {
  50       if (this.disabled) {
  51         this.setAttribute('aria-disabled', '');
  52       } else {
  53         this.removeAttribute('aria-disabled');
  54       }
  55     },
  56
  57     placeholderHandler: function() {
  58       if (this.placeholder) {
  59         this.setAttribute('aria-label', this.placeholder);
  60       } else {
  61         this.removeAttribute('aria-label');
  62       }
  63     },
  64
  65     /**
  66      * Commits the `value` to `committedValue`
  67      *
  68      * @method commit
  69      */
  70     commit: function() {
  71       this.committedValue = this.value;
  72     },
  73
  74     changeAction: function() {
  75       this.commit();
  76     },
  77
  78     inputAction: function(e) {
  79       if (this.preventInvalidInput) {
  80         if (!e.target.validity.valid) {
  81           e.target.value = this.previousValidInput;
  82         } else {
  83           this.previousValidInput = e.target.value;
  84         }
  85       }
  86     }
  87
  88   });
  89