editable-table/editable-table-filter.html at master · LRNWebComponents/editable-table · GitHub

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<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../paper-button/paper-button.html">
<link rel="import" href="../paper-tooltip/paper-tooltip.html">
<link rel="import" href="../iron-icons/iron-icons.html">
<link rel="import" href="editable-table-iconset.html">

<!--
`editable-table-filter`
Displays a cell in the editable-table-display mode
(editable-table-display.html) as a filter button.

@demo demo/index.html

@microcopy - the mental model for this element

<editable-table-filter
  column-number="1"       //The index of the cell's column
  text="">                //The text of the cell, which will become the filter value when button is toggled.
</editable-table-filter>

-->

<dom-module id="editable-table-filter">
  <template>
    <style is="custom-style">
      :host paper-button {
        padding: 0;
        margin: 0;
        width: 100%;
        min-width: unset;
        display: inline-flex;
        justify-content: space-between;
        align-items:center;
        align-content: stretch;
        text-transform: unset;
      }
      :host paper-button > div {
        flex-grow: 1;
      }
      :host .sr-only {
        position: absolute;
        left: -9999px;
        font-size: 0;
        height: 0;
        width: 0;
        overflow: hidden;
      }
      :host #filter-off {
        opacity: 0.25;
      }
      :host:not([filtered]) .filtered,
      :host:not([filtered]):not(:focus):not(:hover) #filter,
      :host:not([filtered]):focus #filter-off,
      :host:not([filtered]):hover #filter-off,
      :host[filtered]:not(:focus):not(:hover) #filter-off,
      :host[filtered]:focus #filter,
      :host[filtered]:hover #filter {
        display: none;
      }
    </style>
    <paper-button id="button" class="container">
      <span>[[text]]</span>
      <span class="sr-only" hidden$="[[!filtered]]"> (filtered)</span>
      <span class="sr-only"> Toggle filter.</span>
      <iron-icon id="filter" icon="editable-table:filter"></iron-icon>
      <iron-icon id="filter-off" icon="editable-table:filter-off"></iron-icon>
    </paper-button>
    <paper-tooltip for="button">Toggle filter for "[[text]]"</paper-tooltip>
  </template>

  <script>
    Polymer({

      is: 'editable-table-filter',

      listeners: {
        "tap": "_onFilterTapped"
      },

      properties: {
        /**
          * the column for the filter
          */
        columnNumber: {
          type: Number,
          value: null
        },
        /**
          * is the data filtered
          */
        filtered: {
          type: Boolean,
          value: false,
          reflectToAttribute: true
        },
        /**
          * the column header text
          */
        text: {
          type: String,
          value: ""
        },
      },
      /**
        * listen for button tap
        */
      _getPressed: function(filtered){
        return filtered ? 'true' : 'false';
      },
      /**
        * listen for button tap
        */
      _onFilterTapped: function(){
        let root = this;
        root.fire('toggle-filter',root);
      }
    });
  </script>
</dom-module>