Refactor index pane

So that it only loads when needed, and caches results so things are
nice and snappy

ember/app/components/back-button.js

@@ -3,7 +3,8 @@ import Ember from 'ember';
 export default Ember.Component.extend({
 	classNames: ['back-button'],
 	classNameBindings: ['active'],
-	active: Ember.computed.or('target.paneShowing', 'target.panePinned'),
+
+	active: Ember.computed.or('target.paneIsShowing', 'target.paneIsPinned'),
  
 	mouseEnter: function() {
         this.get('target').send('showPane');
@@ -18,9 +19,9 @@ export default Ember.Component.extend({
     		this.get('target').send('transitionFromBackButton');
             this.set('target', null);
     	},
+
     	togglePinned: function() {
             this.get('target').send('togglePinned');
     	}
     }
-
 });

ember/app/controllers/index.js

@@ -1,142 +0,0 @@
-import Ember from 'ember';
-
-import DiscussionResult from '../models/discussion-result';
-import PostResult from '../models/post-result';
-import PaneableMixin from '../mixins/paneable';
-
-export default Ember.ArrayController.extend(Ember.Evented, PaneableMixin, {
-
-	needs: ['application', 'composer'],
-
-	count: function() {
-		return this.get('model.length');
-	}.property('model.@each'),
-
-	queryParams: ['sort', 'show', {searchQuery: 'q'}, 'filter'],
-	sort: 'recent',
-	show: 'discussions',
-	filter: '',
-
-	searchQuery: '',
-
-	sortOptions: [
-		{sort: 'recent', label: 'Recent'},
-		{sort: 'replies', label: 'Replies'},
-		{sort: 'newest', label: 'Newest'},
-		{sort: 'oldest', label: 'Oldest'},
-	],
-
-	terminalPostType: function() {
-		return ['newest', 'oldest'].indexOf(this.get('sort')) !== -1 ? 'start' : 'last';
-	}.property('sort'),
-
-	countType: function() {
-		return this.get('sort') === 'replies' ? 'replies' : 'unread';
-	}.property('sort'),
-
-	discussionsCount: function() {
-		return this.get('model.length');
-	}.property('@each'),
-
-	resultsLoading: false,
-
-	start: 0,
-
-	moreResults: function() {
-		return !! this.get('meta.moreUrl');
-	}.property('meta.moreUrl'),
-
-	meta: null,
-
-	getResults: function(start) {
-		var sort = this.get('sort');
-		// var order = this.get('order');
-		var order;
-		var show = this.get('show');
-		var searchQuery = this.get('searchQuery');
-
-		if (sort === 'newest') {
-			sort = 'created';
-			order = 'desc';
-		} else if (sort === 'oldest') {
-			sort = 'created';
-		}
-		else if (sort === 'recent') {
-			sort = '';
-		}
-		else if (sort === 'replies') {
-			order = 'desc';
-		}
-
-		var params = {
-			sort: (order === 'desc' ? '-' : '')+sort,
-			q: searchQuery,
-			start: start
-		};
-
-		if (show === 'posts') {
-			if (searchQuery) {
-				params.include = 'relevantPosts';
-			} else if (sort === 'created') {
-				params.include = 'startPost,startUser';
-			} else {
-				params.include = 'lastPost,lastUser';
-			}
-		}
-
-		return this.store.find('discussion', params).then(function(discussions) {
-			var results = Ember.A();
-			discussions.forEach(function(discussion) {
-				var relevantPosts = Ember.A();
-				// discussion.get('relevantPosts.content').forEach(function(post) {
-				// 	relevantPosts.pushObject(PostResult.create(post));
-				// });
-				results.pushObject(DiscussionResult.create({
-					content: discussion,
-					relevantPosts: relevantPosts,
-					lastPost: PostResult.create(discussion.get('lastPost')),
-					startPost: PostResult.create(discussion.get('startPost'))
-				}));
-				results.set('meta', discussions.get('meta'));
-			});
-			return results;
-		});
-	},
-
-	actions: {
-		loadMore: function() {
-			var self = this;
-			this.set('start', this.get('length'));
-			this.set('resultsLoading', true);
-
-			this.getResults(this.get('start')).then(function(results) {
-				self.get('model').addObjects(results);
-				self.set('meta', results.get('meta'));
-				self.set('resultsLoading', false);
-			});
-		},
-
-		transitionFromBackButton: function() {
-			this.transitionToRoute('index');
-		}
-	},
-
-	searchQueryDidChange: function() {
-		this.get('controllers.application').set('searchQuery', this.get('searchQuery'));
-		this.get('controllers.application').set('searchActive', !! this.get('searchQuery'));
-
-		var sortOptions = this.get('sortOptions');
-
-		if (this.get('searchQuery') && sortOptions[0].sort !== 'relevance') {
-			sortOptions.unshiftObject({sort: 'relevance', label: 'Relevance'});
-		}
-		else if ( ! this.get('searchQuery') && sortOptions[0].sort === 'relevance') {
-			sortOptions.shiftObject();
-		}
-	}.observes('searchQuery'),
-
-	paramsDidChange: function() {
-		this.set('start', 0);
-	}.observes('show', 'sort', 'searchQuery')
-
-});

ember/app/controllers/index/index.js

@@ -1,5 +1,108 @@
 import Ember from 'ember';
 
-export default Ember.ArrayController.extend({
-	needs: ['application']
+import DiscussionResult from '../../models/discussion-result';
+import PostResult from '../../models/post-result';
+
+export default Ember.Controller.extend({
+	needs: ['application'],
+
+	queryParams: ['sort', 'show', {searchQuery: 'q'}, 'filter'],
+	sort: 'recent',
+	show: 'discussions',
+	filter: '',
+	searchQuery: '',
+
+	meta: null,
+	resultsLoading: false,
+
+	sortOptions: [
+		{key: 'recent', label: 'Recent', sort: 'recent'},
+		{key: 'replies', label: 'Replies', sort: '-replies'},
+		{key: 'newest', label: 'Newest', sort: '-created'},
+		{key: 'oldest', label: 'Oldest', sort: 'created'},
+	],
+
+	terminalPostType: function() {
+		return ['newest', 'oldest'].indexOf(this.get('sort')) !== -1 ? 'start' : 'last';
+	}.property('sort'),
+
+	countType: function() {
+		return this.get('sort') === 'replies' ? 'replies' : 'unread';
+	}.property('sort'),
+
+	moreResults: function() {
+		return !!this.get('meta.moreUrl');
+	}.property('meta.moreUrl'),
+
+	getResults: function(start) {
+		var searchQuery = this.get('searchQuery');
+		var sort = this.get('sort');
+		var sortOptions = this.get('sortOptions');
+		var sortOption = sortOptions.findBy('key', sort) || sortOptions.objectAt(0);
+
+		var params = {
+			sort: sortOption.sort,
+			q: searchQuery,
+			start: start
+		};
+
+		if (this.get('show') === 'posts') {
+			if (searchQuery) {
+				params.include = 'relevantPosts';
+			} else if (sort === 'created') {
+				params.include = 'startPost,startUser';
+			} else {
+				params.include = 'lastPost,lastUser';
+			}
+		}
+
+		return this.store.find('discussion', params).then(function(discussions) {
+			var results = Ember.A();
+			discussions.forEach(function(discussion) {
+				var relevantPosts = Ember.A();
+				// discussion.get('relevantPosts.content').forEach(function(post) {
+				// 	relevantPosts.pushObject(PostResult.create(post));
+				// });
+				results.pushObject(DiscussionResult.create({
+					content: discussion,
+					relevantPosts: relevantPosts,
+					lastPost: PostResult.create(discussion.get('lastPost')),
+					startPost: PostResult.create(discussion.get('startPost'))
+				}));
+				results.set('meta', discussions.get('meta'));
+			});
+			return results;
+		});
+	},
+
+	searchQueryDidChange: function() {
+		this.get('controllers.application').set('searchQuery', this.get('searchQuery'));
+		this.get('controllers.application').set('searchActive', !! this.get('searchQuery'));
+
+		var sortOptions = this.get('sortOptions');
+
+		if (this.get('searchQuery') && sortOptions[0].sort !== 'relevance') {
+			sortOptions.unshiftObject({key: 'relevance', label: 'Relevance', sort: 'relevance'});
+		} else if (!this.get('searchQuery') && sortOptions[0].sort === 'relevance') {
+			sortOptions.shiftObject();
+		}
+	}.observes('searchQuery'),
+
+	paramsDidChange: function() {
+		if (this.get('model')) {
+			this.send('refresh');
+		}
+	}.observes('sort', 'show', 'searchQuery'),
+
+	actions: {
+		loadMore: function() {
+			var controller = this;
+			this.set('resultsLoading', true);
+			this.getResults(this.get('model.length')).then(function(results) {
+				controller.get('model').addObjects(results);
+				controller.set('meta', results.get('meta'));
+				controller.set('resultsLoading', false);
+			});
+		}
+	}
 });

ember/app/mixins/paneable.js

@@ -17,7 +17,25 @@ export default Ember.Mixin.create({
 
 	// Whether or not the pane is always visible on screen, even when the
 	// mouse is taken away.
-	panePinned: false,
+	panePinned: localStorage.getItem('panePinned'),
+
+	// Disable the paneable behaviour completely, regardless of if it is
+	// paned, showing, or pinned.
+	paneDisabled: false,
+
+	paneIsShowing: function() {
+		return this.get('paned') && this.get('paneShowing') && !this.get('paneDisabled');
+	}.property('paned', 'paneShowing', 'paneDisabled'),
+
+	paneIsPinned: function() {
+		return this.get('paned') && this.get('panePinned') && !this.get('paneDisabled');
+	}.property('paned', 'panePinned', 'paneDisabled'),
+
+	// Tell the application controller when we pin/unpin the pane so that
+	// other parts of the interface can respond appropriately.
+	paneIsPinnedChanged: function() {
+		this.set('controllers.application.panePinned', this.get('paneIsPinned'));
+	}.observes('paneIsPinned'),
 
 	actions: {
 		showPane: function() {
@@ -35,13 +53,7 @@ export default Ember.Mixin.create({
 		},
 		
 		togglePinned: function() {
-			this.toggleProperty('panePinned');
+			localStorage.setItem('panePinned', this.toggleProperty('panePinned') || '');
 		}
-	},
-
-	// Tell the application controller when we pin/unpin the pane so that
-	// other parts of the interface can respond appropriately.
-	panePinnedChanged: function() {
-		this.set('controllers.application.panePinned', this.get('paned') && this.get('panePinned'));
-	}.observes('paned', 'panePinned')
-});
+	}
+});

ember/app/routes/index.js

@@ -1,35 +0,0 @@
-import Ember from 'ember';
-
-export default Ember.Route.extend({
-
-	setupController: function(controller, model) {
-		controller.set('model', model);
-
-		if ( ! model.get('length')) {
-			controller.set('resultsLoading', true);
-
-			controller.getResults().then(function(results) {
-				controller
-					.set('resultsLoading', false)
-					.set('meta', results.get('meta'))
-					.set('model.content', results);
-			});
-		}
-	},
-
-	model: function() {
-		var model = Ember.ArrayProxy.create();
-
-		return Ember.RSVP.resolve(model);
-	},
-
-	actions: {
-		queryParamsDidChange: function() {
-			var self = this;
-			Ember.run.scheduleOnce('afterRender', function() {
-				self.refresh();
-			});
-		}
-	}
-
-});

ember/app/routes/index/index.js

@@ -1,21 +0,0 @@
-import Ember from 'ember';
-
-import AddCssClassToBodyMixin from '../../mixins/add-css-class-to-body';
-
-export default Ember.Route.extend(AddCssClassToBodyMixin, {
-
-	// When we enter the discussions list view, we no longer want the
-	// discussions list to be in pane mode.
-    setupController: function(controller, model) {
-        this.controllerFor('index').set('paned', false);
-        this.controllerFor('index').set('paneShowing', false);
-        this._super(controller, model);
-    },
-
-    actions: {
-	    didTransition: function() {
-	    	// @todo only if it's not a new discussion
-	    	this.controllerFor('composer').send('minimize');
-	    }
-	}
-});

ember/app/styles/flarum/index.less

@@ -143,8 +143,6 @@
 
 // When the pane is pinned, move the other page content inwards
 .global-main, .global-footer {
-	.transition(margin-left 0.2s);
-
 	.with-pane & {
 		margin-left: @index-pane-width;
 		& .container {
@@ -154,8 +152,6 @@
 	}
 }
 .global-header .container {
-	.transition(width 0.2s);
-
 	.with-pane & {
 		width: 100%;
 	}

ember/app/templates/application.hbs

@@ -1,4 +1,4 @@
-<div id="page" {{bind-attr class=":page panePinned:with-pane"}}>
+<div id="page" {{bind-attr class=":page backButtonTarget.paneIsPinned:with-pane"}}>
 
 	<header id="header" class="global-header">
 
@@ -55,4 +55,4 @@
 			{{view alert dismiss="dismissAlert"}}
 		</div>
 	{{/each}}
-</div>
+</div>

ember/app/templates/components/discussions/discussion-listing.hbs

@@ -13,7 +13,7 @@
 	{{/each}}
 </div>
 
-{{#link-to "discussion" discussion.content (query-params searchQuery=searchQuery start=start) current-when="discussion" class="info"}}
+{{#link-to "discussion" discussion.content (query-params start=start) current-when="discussion" class="info"}}
 	<h3 class="title">{{highlight-words discussion.title searchQuery}}</h3>
 	<span class="terminal-post">
 		{{#if displayLastPost}}

ember/app/templates/index.hbs

@@ -1,4 +1,4 @@
-<div {{bind-attr class=":index-area paned paneShowing:showing"}}>
+<div {{bind-attr class=":index-area paned paneIsShowing:showing"}}>
 
 	{{welcome-hero}}
 
@@ -17,7 +17,7 @@
 						{{#link-to (query-params show="posts") class="btn btn-default btn-icon"}}{{fa-icon "square-o"}}{{/link-to}}
 					</span>
 
-					{{ui/controls/select-input class="control-sort" content=sortOptions optionValuePath="content.sort" optionLabelPath="content.label" value=sort}}
+					{{ui/controls/select-input class="control-sort" content=index.sortOptions optionValuePath="content.key" optionLabelPath="content.label" value=index.sort}}
 				</div>
 				<div class="index-toolbar-action">
 					{{ui/controls/action-button class="control-markAllAsRead btn btn-default btn-icon" icon="check" title="Mark All as Read"}}
@@ -25,22 +25,22 @@
 			</div>
 
 			<ul class="discussions-list">
-				{{#each discussion in content}}
+				{{#each discussion in index.model}}
 					{{discussions/discussion-listing
 						discussion=discussion
-						searchQuery=searchQuery
-						terminalPostType=terminalPostType
-						countType=countType
+						searchQuery=index.searchQuery
+						terminalPostType=index.terminalPostType
+						countType=index.countType
 						markAsRead="markAsRead"}}
 				{{/each}}
 			</ul>
 
-			{{#if resultsLoading}}
+			{{#if index.resultsLoading}}
 				{{ui/controls/loading-indicator size="small"}}
 			{{/if}}
 
-			{{#if moreResults}}
-				{{#unless resultsLoading}}
+			{{#if index.moreResults}}
+				{{#unless index.resultsLoading}}
 					<div class="load-more">
 						{{ui/controls/action-button class="control-loadMore btn btn-default" action="loadMore" label="Load More"}}
 					</div>