px-data-grid-filters-modal.html

<!--
Copyright (c) 2018, General Electric

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<link rel="import" href="../polymer/polymer-element.html">
<link rel="import" href="../px-modal/px-modal.html">
<link rel="import" href="../px-icon-set/px-icon.html">
<link rel="import" href="css/px-data-grid-filters-modal-styles.html">

<link rel="import" href="px-data-grid-filter.html">

<dom-module id="px-data-grid-filters-modal">
  <template>
    <style include="px-data-grid-filters-modal-styles"></style>

    <px-modal
      id="filtersModal"
      header-text="[[localize('Filter Columns')]]"
      open-trigger="[[filtersModalTrigger]]">
      <div slot="body">
        <px-data-grid-filter
          id="filters"
          columns="[[columns]]"
          filters="{{filters}}"
          temp-filters="{{_tempFilters}}"
          compact-mode="[[compactMode]]"
          disable-all-columns-filter="[[disableAllColumnsFilter]]"
          string-comparators="[[stringComparators]]"
          number-comparators="[[numberComparators]]"
          localize="[[localize]]">
        </px-data-grid-filter>

        <template is="dom-if" if="[[_showSaveCheckbox(offerFilterSaving, _tempFilters, _tempFilters.*)]]" restamp>
          <input id="saveFilterSet" type="checkbox">
          <label class="label--inline" for="saveFilterSet">[[localize('Save this filter set')]]</label>
        </template>
      </div>
      <div slot="actions" class="action-buttons">
        <template is="dom-if" if="[[_hasAnyEntity(_tempFilters, _tempFilters.*)]]">
          <button class="btn" on-click="_reset">[[localize('Reset')]]</button>
        </template>
      </div>
      <button slot="reject-trigger" class="btn action-btn" on-click="_cancel">[[localize('Cancel')]]</button>
      <button slot="accept-trigger" class="btn btn--call-to-action action-btn" on-click="_apply">[[localize('Apply')]]</button>
    </px-modal>

    <px-modal-trigger trigger="{{filtersModalTrigger}}">
      <button class="btn table-filters">
        <px-icon icon="px-utl:filter"></px-icon>
        [[localize('Table Filters')]]
      </button>
    </px-modal-trigger>
  </template>

  <script>
    {
      /**
       * @memberof Predix
       * @extends Polymer.Element
       */
      class DataGridFiltersModalElement extends Polymer.Element {
        static get is() {
          return 'px-data-grid-filters-modal';
        }

        static get properties() {
          return {
            columns: Array,

            filters: {
              type: Array,
              notify: true
            },

            initialFilterState: {
              type: Array,
            },

            offerFilterSaving: {
              type: Boolean,
              value: false
            },

            compactMode: {
              type: Boolean,
              value: false
            },

            disableAllColumnsFilter: {
              type: Boolean,
              value: false
            },

            stringComparators: {
              type: Array
            },

            numberComparators: {
              type: Array
            },

            _tempFilters: {
              type: Array
            },

            localize: Function
          };
        }

        ready() {
          super.ready();

          this.addEventListener('update-modal-focusable-elements', (event) => {
            this.$.filtersModal.findFocusableElements();
          });
        }

        open() {
          this.$.filtersModal.opened = true;
        }

        _apply() {
          this.$.filters.applyFilters();

          const checkbox = this.shadowRoot.querySelector('#saveFilterSet');

          if (checkbox && checkbox.checked) {
            this.dispatchEvent(
              new CustomEvent('save-filters',
                {
                  bubbles: true,
                  composed: true,
                  detail: {
                    filters: this.filters
                  }
                }
              )
            );
          }

          this.$.filtersModal.opened = false;
        }

        _cancel() {
          this.$.filters.cancelChanges();
          this.$.filtersModal.opened = false;
        }

        _reset() {
          this.$.filters.resetFilters();
          this.set('filters', this.initialFilterState);
        }

        _hasAnyEntity(filters) {
          return filters.filter(filter => filter.entities && filter.entities.length > 0).length > 0;
        }

        _showSaveCheckbox(offerFilterSaving, filters) {
          return offerFilterSaving && filters && this._hasAnyEntity(filters);
        }
      }

      customElements.define(DataGridFiltersModalElement.is, DataGridFiltersModalElement);

      /**
       * @namespace Predix
       */
      window.Predix = window.Predix || {};
      Predix.DataGridFiltersModalElement = DataGridFiltersModalElement;
    }
  </script>

</dom-module>