147 lines
4.1 KiB
JavaScript
147 lines
4.1 KiB
JavaScript
// 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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(function() {
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'use strict';
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Polymer({
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is: 'gr-diff-comment-thread-group',
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properties: {
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changeNum: String,
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comments: {
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type: Array,
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value() { return []; },
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},
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projectName: String,
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patchForNewThreads: String,
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range: Object,
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isOnParent: {
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type: Boolean,
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value: false,
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},
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parentIndex: {
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type: Number,
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value: null,
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},
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_threads: {
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type: Array,
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value() { return []; },
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},
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},
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observers: [
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'_commentsChanged(comments.*)',
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],
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addNewThread(locationRange) {
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this.push('_threads', {
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comments: [],
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locationRange,
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patchNum: this.patchForNewThreads,
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});
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},
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removeThread(locationRange) {
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for (let i = 0; i < this._threads.length; i++) {
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if (this._threads[i].locationRange === locationRange) {
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this.splice('_threads', i, 1);
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return;
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}
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}
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},
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getThreadForRange(rangeToCheck) {
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const threads = [].filter.call(
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Polymer.dom(this.root).querySelectorAll('gr-diff-comment-thread'),
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thread => {
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return thread.locationRange === rangeToCheck;
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});
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if (threads.length === 1) {
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return threads[0];
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}
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},
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_commentsChanged() {
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this._threads = this._getThreadGroups(this.comments);
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},
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_sortByDate(threadGroups) {
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if (!threadGroups.length) { return; }
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return threadGroups.sort((a, b) => {
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// If a comment is a draft, it doesn't have a start_datetime yet.
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// Assume it is newer than the comment it is being compared to.
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if (!a.start_datetime) {
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return 1;
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}
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if (!b.start_datetime) {
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return -1;
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}
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return util.parseDate(a.start_datetime) -
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util.parseDate(b.start_datetime);
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});
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},
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_calculateLocationRange(range, comment) {
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return 'range-' + range.start_line + '-' +
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range.start_character + '-' +
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range.end_line + '-' +
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range.end_character + '-' +
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comment.__commentSide;
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},
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/**
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* Determines what the patchNum of a thread should be. Use patchNum from
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* comment if it exists, otherwise the property of the thread group.
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* This is needed for switching between side-by-side and unified views when
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* there are unsaved drafts.
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*/
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_getPatchNum(comment) {
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return comment.patchNum || this.patchForNewThreads;
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},
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_getThreadGroups(comments) {
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const threadGroups = {};
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for (const comment of comments) {
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let locationRange;
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if (!comment.range) {
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locationRange = 'line-' + comment.__commentSide;
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} else {
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locationRange = this._calculateLocationRange(comment.range, comment);
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}
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if (threadGroups[locationRange]) {
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threadGroups[locationRange].comments.push(comment);
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} else {
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threadGroups[locationRange] = {
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start_datetime: comment.updated,
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comments: [comment],
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locationRange,
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commentSide: comment.__commentSide,
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patchNum: this._getPatchNum(comment),
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};
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}
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}
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const threadGroupArr = [];
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const threadGroupKeys = Object.keys(threadGroups);
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for (const threadGroupKey of threadGroupKeys) {
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threadGroupArr.push(threadGroups[threadGroupKey]);
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}
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return this._sortByDate(threadGroupArr);
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},
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});
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})();
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