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Added auto-validate #207

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Added auto-validate #207

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1b06a64
Added auto-validate
mercmobily Oct 20, 2016
e6a712e
Added documentation of the new property
mercmobily Oct 20, 2016
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23 changes: 23 additions & 0 deletions paper-dropdown-menu.html
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Expand Up @@ -57,6 +57,11 @@
Applications can listen for the `iron-select` and `iron-deselect` events
to react when options are selected and deselected.

### Validation

If the `auto-validate` attribute is set, the element will be validated when
the selected item changes.

### Styling

The following custom properties and mixins are also available for styling:
Expand Down Expand Up @@ -135,6 +140,14 @@
],

properties: {

/**
* Set to true to auto-validate the input value when it changes.
*/
autoValidate: {
type: Boolean
},

/**
* The derived "label" of the currently selected item. This value
* is the `label` property on the selected item if set, or else the
Expand Down Expand Up @@ -365,6 +378,16 @@

this._setValue(value);
this._setSelectedItemLabel(value);

if( this.autoValidate ){
var valid;
if (this.validate) {
valid = this.validate();
} else {
valid = this.checkValidity();
}
this.invalid = !valid;
}
},

/**
Expand Down