blob: 2c890647b582acbb4024d8da2d84dc7463fe1fca [file] [log] [blame]
/**
* @license
* Copyright (C) 2020 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.
*/
// Element class exists in all browsers:
// https://developer.mozilla.org/en-US/docs/Web/API/Element
// Rename it to PolymerElement to avoid conflicts. Also,
// typescript reports the following error:
// error TS2451: Cannot redeclare block-scoped variable 'Element'.
const {html, Element: PolymerElement} = Polymer;
class MyBindSample extends PolymerElement {
static get is() { return 'my-bind-sample'; }
static get properties() {
return {
computedExample: {
type: String,
computed: '_computeExample(revision._number)',
},
revision: {
type: Object,
observer: '_onRevisionChanged',
},
};
}
static get template() {
return html`
Template example: Patchset number [[revision._number]]. <br/>
Computed example: [[computedExample]].
`;
}
_computeExample(value) {
if (!value) { return '(empty)'; }
return `(patchset ${value} selected)`;
}
_onRevisionChanged(value) {
console.log(`(attributeHelper.bind) revision number: ${value._number}`);
}
}
// register the custom component
customElements.define(MyBindSample.is, MyBindSample);
/**
* This plugin will add a new section
* between the file list and change log with the
* `my-bind-sample` component.
*/
Gerrit.install(plugin => {
// You should see the above text with the right revision number shown
// between the file list and the change log
plugin.registerCustomComponent(
'change-view-integration', 'my-bind-sample');
});