3fd2b102e1
This commit converts almost all Polymer elements from Polymer-function based components to class-based components. There are few files which should be converted manually after this commit. Change-Id: I9e597e79053e0a6b5d5c0f1b54676d11b9d81db7
111 lines
2.8 KiB
JavaScript
111 lines
2.8 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2017 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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(function() {
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'use strict';
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const REQUEST_DEBOUNCE_INTERVAL_MS = 200;
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/**
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* @appliesMixin Gerrit.BaseUrlMixin
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* @appliesMixin Gerrit.FireMixin
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* @appliesMixin Gerrit.URLEncodingMixin
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*/
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class GrListView extends Polymer.mixinBehaviors( [
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Gerrit.BaseUrlBehavior,
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Gerrit.FireBehavior,
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Gerrit.URLEncodingBehavior,
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], Polymer.GestureEventListeners(
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Polymer.LegacyElementMixin(
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Polymer.Element))) {
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static get is() { return 'gr-list-view'; }
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static get properties() {
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return {
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createNew: Boolean,
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items: Array,
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itemsPerPage: Number,
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filter: {
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type: String,
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observer: '_filterChanged',
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},
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offset: Number,
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loading: Boolean,
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path: String,
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};
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}
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detached() {
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super.detached();
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this.cancelDebouncer('reload');
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}
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_filterChanged(newFilter, oldFilter) {
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if (!newFilter && !oldFilter) {
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return;
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}
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this._debounceReload(newFilter);
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}
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_debounceReload(filter) {
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this.debounce('reload', () => {
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if (filter) {
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return page.show(`${this.path}/q/filter:` +
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this.encodeURL(filter, false));
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}
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page.show(this.path);
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}, REQUEST_DEBOUNCE_INTERVAL_MS);
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}
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_createNewItem() {
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this.fire('create-clicked');
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}
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_computeNavLink(offset, direction, itemsPerPage, filter, path) {
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// Offset could be a string when passed from the router.
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offset = +(offset || 0);
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const newOffset = Math.max(0, offset + (itemsPerPage * direction));
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let href = this.getBaseUrl() + path;
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if (filter) {
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href += '/q/filter:' + this.encodeURL(filter, false);
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}
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if (newOffset > 0) {
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href += ',' + newOffset;
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}
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return href;
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}
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_computeCreateClass(createNew) {
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return createNew ? 'show' : '';
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}
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_hidePrevArrow(loading, offset) {
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return loading || offset === 0;
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}
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_hideNextArrow(loading, items) {
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if (loading || !items || !items.length) {
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return true;
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}
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const lastPage = items.length < this.itemsPerPage + 1;
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return lastPage;
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}
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}
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customElements.define(GrListView.is, GrListView);
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})();
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