add new slider

dashboard-ui/bower_components/paper-input/paper-input-char-counter.html

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+<!--
+@license
+Copyright (c) 2015 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
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../paper-styles/paper-styles.html">
+<link rel="import" href="paper-input-addon-behavior.html">
+
+<!--
+`<paper-input-char-counter>` is a character counter for use with `<paper-input-container>`. It
+shows the number of characters entered in the input and the max length if it is specified.
+
+    <paper-input-container>
+      <input is="iron-input" maxlength="20">
+      <paper-input-char-counter></paper-input-char-counter>
+    </paper-input-container>
+
+### Styling
+
+The following mixin is available for styling:
+
+Custom property | Description | Default
+----------------|-------------|----------
+`--paper-input-char-counter` | Mixin applied to the element | `{}`
+-->
+<dom-module id="paper-input-char-counter">
+
+  <style>
+
+    :host {
+      display: inline-block;
+      float: right;
+
+      @apply(--paper-font-caption);
+      @apply(--paper-input-char-counter);
+    }
+
+  </style>
+
+  <template>
+
+    <span>[[_charCounterStr]]</span>
+
+  </template>
+
+</dom-module>
+
+<script>
+
+(function() {
+
+  Polymer({
+
+    is: 'paper-input-char-counter',
+
+    behaviors: [
+      Polymer.PaperInputAddonBehavior
+    ],
+
+    properties: {
+
+      _charCounterStr: {
+        type: String,
+        value: '0'
+      }
+
+    },
+
+    update: function(state) {
+      if (!state.inputElement) {
+        return;
+      }
+
+      state.value = state.value || '';
+
+      // Account for the textarea's new lines.
+      var str = state.value.replace(/(\r\n|\n|\r)/g, '--').length;
+
+      if (state.inputElement.hasAttribute('maxlength')) {
+        str += '/' + state.inputElement.getAttribute('maxlength');
+      }
+      this._charCounterStr = str;
+    }
+
+  });
+
+})();
+
+</script>