Polymer elements added to third_party/polymer.

third_party/polymer/components/paper-toggle-button/paper-toggle-button.html

+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<!--
+`paper-toggle-button` provides a ON/OFF switch that user can toggle the state
+by tapping or by dragging the swtich.
+
+Example:
+
+    <paper-toggle-button></paper-toggle-button>
+
+Styling toggle button:
+
+To change the ink color for checked state:
+
+    paper-toggle-button::shadow paper-radio-button::shadow #ink[checked] {
+      color: #4285f4;
+    }
+    
+To change the radio checked color:
+    
+    paper-toggle-button::shadow paper-radio-button::shadow #onRadio {
+      background-color: #4285f4;
+    }
+    
+To change the bar color for checked state:
+
+    paper-toggle-button::shadow #toggleBar[checked] {
+      background-color: #4285f4;
+    }
+    
+To change the ink color for unchecked state:
+
+    paper-toggle-button::shadow paper-radio-button::shadow #ink {
+      color: #b5b5b5;
+    }
+    
+To change the radio unchecked color:
+    
+    paper-toggle-button::shadow paper-radio-button::shadow #offRadio {
+      border-color: #b5b5b5;
+    }
+
+To change the bar color for unchecked state:
+
+    paper-toggle-button::shadow #toggleBar {
+      background-color: red;
+    }
+
+@group Paper Elements
+@element paper-toggle-button
+@homepage github.io
+-->
+
+<link rel="import" href="../paper-radio-button/paper-radio-button.html">
+
+<polymer-element name="paper-toggle-button" attributes="checked" role="button" aria-pressed="false" tabindex="0">
+<template>
+
+  <link rel="stylesheet" href="paper-toggle-button.css">
+
+  <div id="toggleContainer">
+  
+    <div id="toggleBar" checked?="{{checked}}"></div>
+  
+    <paper-radio-button id="toggleRadio" toggles checked="{{checked}}"
+        on-trackstart="{{trackStart}}" on-trackx="{{trackx}}" on-trackend="{{trackEnd}}"></paper-radio-button>
+    
+  </div>
+
+</template>
+<script>
+
+  Polymer('paper-toggle-button', {
+    
+    /**
+     * Fired when the checked state changes.
+     *
+     * @event change
+     */
+
+    /**
+     * Gets or sets the state, `true` is checked and `false` is unchecked.
+     *
+     * @attribute checked
+     * @type boolean
+     * @default false
+     */
+    checked: false,
+
+    trackStart: function(e) {
+      this._w = this.$.toggleBar.offsetLeft + this.$.toggleBar.offsetWidth;
+      e.preventTap();
+    },
+
+    trackx: function(e) {
+      this._x = Math.min(this._w, 
+          Math.max(0, this.checked ? this._w + e.dx : e.dx));
+      this.$.toggleRadio.classList.add('dragging');
+      var s =  this.$.toggleRadio.style;
+      s.webkitTransform = s.transform = 'translate3d(' + this._x + 'px,0,0)';
+    },
+
+    trackEnd: function() {
+      var s =  this.$.toggleRadio.style;
+      s.webkitTransform = s.transform = null;
+      this.$.toggleRadio.classList.remove('dragging');
+      this.checked = Math.abs(this._x) > this._w / 2;
+    },
+
+    checkedChanged: function() {
+      this.setAttribute('aria-pressed', Boolean(this.checked));
+      this.fire('change');
+    }
+
+  });
+
+</script>
+</polymer-element>