polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog.js

/**
 * @license
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.
 */
import '../../shared/gr-dialog/gr-dialog.js';
import '../../../styles/shared-styles.js';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {htmlTemplate} from './gr-confirm-delete-item-dialog_html.js';

const DETAIL_TYPES = {
  BRANCHES: 'branches',
  ID: 'id',
  TAGS: 'tags',
};

/**
 * @extends PolymerElement
 */
class GrConfirmDeleteItemDialog extends GestureEventListeners(
    LegacyElementMixin(PolymerElement)) {
  static get template() { return htmlTemplate; }

  static get is() { return 'gr-confirm-delete-item-dialog'; }
  /**
   * Fired when the confirm button is pressed.
   *
   * @event confirm
   */

  /**
   * Fired when the cancel button is pressed.
   *
   * @event cancel
   */

  static get properties() {
    return {
      item: String,
      itemType: String,
    };
  }

  _handleConfirmTap(e) {
    e.preventDefault();
    e.stopPropagation();
    this.dispatchEvent(new CustomEvent('confirm', {
      composed: true, bubbles: false,
    }));
  }

  _handleCancelTap(e) {
    e.preventDefault();
    e.stopPropagation();
    this.dispatchEvent(new CustomEvent('cancel', {
      composed: true, bubbles: false,
    }));
  }

  _computeItemName(detailType) {
    if (detailType === DETAIL_TYPES.BRANCHES) {
      return 'Branch';
    } else if (detailType === DETAIL_TYPES.TAGS) {
      return 'Tag';
    } else if (detailType === DETAIL_TYPES.ID) {
      return 'ID';
    }
  }
}

customElements.define(GrConfirmDeleteItemDialog.is,
    GrConfirmDeleteItemDialog);