100 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright (C) 2019 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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import '../../../styles/shared-styles.js';
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import '../../shared/gr-button/gr-button.js';
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import '../../shared/gr-diff-preferences/gr-diff-preferences.js';
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import '../../shared/gr-overlay/gr-overlay.js';
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import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
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import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
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import {PolymerElement} from '@polymer/polymer/polymer-element.js';
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import {htmlTemplate} from './gr-diff-preferences-dialog_html.js';
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/**
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 * @extends PolymerElement
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 */
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class GrDiffPreferencesDialog extends GestureEventListeners(
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    LegacyElementMixin(PolymerElement)) {
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  static get template() { return htmlTemplate; }
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  static get is() { return 'gr-diff-preferences-dialog'; }
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  static get properties() {
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    return {
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      /** @type {?} */
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      diffPrefs: Object,
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      /**
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       * _editableDiffPrefs is a clone of diffPrefs.
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       * All changes in the dialog are applied to this object
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       * immediately, when a value in an editor is changed.
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       * The "Save" button replaces the "diffPrefs" object with
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       * the value of _editableDiffPrefs.
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       *
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       * @type {?}
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       */
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      _editableDiffPrefs: Object,
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      _diffPrefsChanged: Boolean,
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    };
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  }
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  getFocusStops() {
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    return {
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      start: this.$.diffPreferences.$.contextSelect,
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      end: this.$.saveButton,
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    };
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  }
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  resetFocus() {
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    this.$.diffPreferences.$.contextSelect.focus();
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  }
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  _computeHeaderClass(changed) {
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    return changed ? 'edited' : '';
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  }
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  _handleCancelDiff(e) {
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    e.stopPropagation();
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    this.$.diffPrefsOverlay.close();
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  }
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  open() {
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    // JSON.parse(JSON.stringify(...)) makes a deep clone of diffPrefs.
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    // It is known, that diffPrefs is obtained from an RestAPI call and
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    // it is safe to clone the object this way.
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    this._editableDiffPrefs = JSON.parse(JSON.stringify(this.diffPrefs));
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    this.$.diffPrefsOverlay.open().then(() => {
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      const focusStops = this.getFocusStops();
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      this.$.diffPrefsOverlay.setFocusStops(focusStops);
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      this.resetFocus();
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    });
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  }
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  _handleSaveDiffPreferences() {
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    this.diffPrefs = this._editableDiffPrefs;
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    this.$.diffPreferences.save().then(() => {
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      this.dispatchEvent(new CustomEvent('reload-diff-preference', {
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        composed: true, bubbles: false,
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      }));
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      this.$.diffPrefsOverlay.close();
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    });
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  }
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}
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customElements.define(GrDiffPreferencesDialog.is, GrDiffPreferencesDialog);
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