c51fec7fda
- clear line detection cache on category change - don't show last visited unless latest / descending - improve perf of last visited detection algorithm
113 lines
2.5 KiB
JavaScript
113 lines
2.5 KiB
JavaScript
import {default as computed, observes} from 'ember-addons/ember-computed-decorators';
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export default Ember.Component.extend({
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tagName: 'table',
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classNames: ['topic-list'],
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showTopicPostBadges: true,
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_init: function(){
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this.addObserver('hideCategory', this.rerender);
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this.addObserver('order', this.rerender);
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this.addObserver('ascending', this.rerender);
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}.on('init'),
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toggleInTitle: function(){
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return !this.get('bulkSelectEnabled') && this.get('canBulkSelect');
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}.property('bulkSelectEnabled'),
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sortable: function(){
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return !!this.get('changeSort');
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}.property(),
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skipHeader: function() {
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return this.site.mobileView;
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}.property(),
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showLikes: function(){
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return this.get('order') === "likes";
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}.property('order'),
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showOpLikes: function(){
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return this.get('order') === "op_likes";
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}.property('order'),
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@observes('category')
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categoryChanged: function(){
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this.set('prevTopic', null);
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},
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@computed('topics.@each', 'order', 'ascending')
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lastVisitedTopic(topics, order, ascending) {
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if (!this.get('highlightLastVisited')) { return; }
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if (order !== "default" && order !== "activity") { return; }
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if (!topics || topics.length === 1) { return; }
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if (ascending) { return; }
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let user = Discourse.User.current();
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if (!user || !user.previous_visit_at) {
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return;
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}
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let prevTopic, topic;
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prevTopic = this.get('prevTopic');
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if (prevTopic) {
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return prevTopic;
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}
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let prevVisit = user.get('previousVisitAt');
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// this is more efficient cause we keep appending to list
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// work backwards
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let start = 0;
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while(topics[start] && topics[start].get('pinned')) {
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start++;
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}
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let i;
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for(i=topics.length-1;i>=start;i--){
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if (topics[i].get('bumpedAt') > prevVisit) {
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prevTopic = topics[i];
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break;
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}
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topic = topics[i];
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}
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if (!prevTopic || !topic) {
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return;
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}
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// end of list that was scanned
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if (topic.get('bumpedAt') > prevVisit) {
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return;
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}
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this.set('prevTopic', prevTopic);
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return prevTopic;
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},
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click(e) {
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var self = this;
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var on = function(sel, callback){
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var target = $(e.target).closest(sel);
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if(target.length === 1){
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callback.apply(self, [target]);
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}
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};
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on('button.bulk-select', function(){
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this.sendAction('toggleBulkSelect');
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this.rerender();
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});
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on('th.sortable', function(e2){
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this.sendAction('changeSort', e2.data('sort-order'));
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this.rerender();
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});
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}
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});
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