blob: 7c9d1ecbfe64be461cadd4038e017fa98e9bad49 [file] [log] [blame]
/**
* @license
* Copyright (C) 2018 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 '@polymer/iron-icon/iron-icon.js';
import '../../../styles/shared-styles.js';
import '../../shared/gr-button/gr-button.js';
import '../../shared/gr-rest-api-interface/gr-rest-api-interface.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-diff-mode-selector_html.js';
/** @extends PolymerElement */
class GrDiffModeSelector extends GestureEventListeners(
LegacyElementMixin(
PolymerElement)) {
static get template() { return htmlTemplate; }
static get is() { return 'gr-diff-mode-selector'; }
static get properties() {
return {
mode: {
type: String,
notify: true,
},
/**
* If set to true, the user's preference will be updated every time a
* button is tapped. Don't set to true if there is no user.
*/
saveOnChange: {
type: Boolean,
value: false,
},
/** @type {?} */
_VIEW_MODES: {
type: Object,
readOnly: true,
value: {
SIDE_BY_SIDE: 'SIDE_BY_SIDE',
UNIFIED: 'UNIFIED_DIFF',
},
},
};
}
/**
* Set the mode. If save on change is enabled also update the preference.
*/
setMode(newMode) {
if (this.saveOnChange && this.mode && this.mode !== newMode) {
this.$.restAPI.savePreferences({diff_view: newMode});
}
this.mode = newMode;
}
_computeSelectedClass(diffViewMode, buttonViewMode) {
return buttonViewMode === diffViewMode ? 'selected' : '';
}
_handleSideBySideTap() {
this.setMode(this._VIEW_MODES.SIDE_BY_SIDE);
}
_handleUnifiedTap() {
this.setMode(this._VIEW_MODES.UNIFIED);
}
}
customElements.define(GrDiffModeSelector.is, GrDiffModeSelector);