Fix #1054, UI breakage after unsubscribing from feed

chrome/content/zotero/xpcom/collectionTreeView.js

@@ -372,6 +372,7 @@ Zotero.CollectionTreeView.prototype.notify = Zotero.Promise.coroutine(function*
 	
 	if (action == 'delete') {
 		var selectedIndex = this.selection.count ? this.selection.currentIndex : 0;
+		let refreshFeeds = false;
 		
 		// Since a delete involves shifting of rows, we have to do it in reverse order
 		let rows = [];
@@ -399,6 +400,10 @@ Zotero.CollectionTreeView.prototype.notify = Zotero.Promise.coroutine(function*
 						row++;
 					}
 					while (row < this.rowCount && this.getLevel(row) > level);
+					
+					if (type == 'feed') {
+						refreshFeeds = true;
+					}
 					break;
 			}
 		}
@@ -411,6 +416,18 @@ Zotero.CollectionTreeView.prototype.notify = Zotero.Promise.coroutine(function*
 				this._removeRow(row);
 			}
 			
+			// If a feed was removed and there are no more, remove Feeds header
+			if (refreshFeeds && !Zotero.Feeds.haveFeeds()) {
+				for (let i = 0; i < this._rows.length; i++) {
+					let row = this._rows[i];
+					if (row.ref.id == 'feed-libraries-header') {
+						this._removeRow(i);
+						this._removeRow(i - 1);
+						break;
+					}
+				}
+			}
+			
 			this._refreshRowMap();
 		}
 		
@@ -1186,26 +1203,15 @@ Zotero.CollectionTreeView.prototype.deleteSelection = Zotero.Promise.coroutine(f
 			yield treeRow.ref.eraseTx({
 				deleteItems: true
 			});
+			if (treeRow.isFeed()) {
+				refreshFeeds = true;
 			}
-		if (treeRow.isCollection() || treeRow.isFeed()) {
-			yield treeRow.ref.erase(deleteItems);
 		}
 		else if (treeRow.isSearch()) {
 			yield Zotero.Searches.erase(treeRow.ref.id);
 		}
 	}
 	//this._treebox.endUpdateBatch();
-	
-	if (end.value < this.rowCount) {
-		var row = this.getRow(end.value);
-		if (row.isSeparator()) {
-			return;
-		}
-		this.selection.select(end.value);
-	}
-	else {
-		this.selection.select(this.rowCount-1);
-	}
 });
 
 

chrome/content/zotero/xpcom/data/feed.js

@@ -61,8 +61,8 @@ Zotero.Feed = function(params = {}) {
 	// Return a proxy so that we can disable the object once it's deleted
 	return new Proxy(this, {
 		get: function(obj, prop) {
-			if (obj._disabled && !(prop == 'libraryID' || prop == 'id')) {
+			if (obj._disabled && !(prop == 'libraryID' || prop == 'id' || prop == 'treeViewID')) {
-				throw new Error("Feed (" + obj.libraryID + ") has been disabled");
+				throw new Error("Feed " + obj.libraryID + " has been disabled");
 			}
 			return obj[prop];
 		}

chrome/content/zotero/zoteroPane.js

@@ -1905,7 +1905,7 @@ var ZoteroPane = new function()
 				"", "", "", {}
 			);
 			if (index == 0) {
-				this.collectionsView.deleteSelection(deleteItems);
+				return this.collectionsView.deleteSelection(deleteItems);
 			}
 		}
 	}

test/tests/collectionTreeViewTest.js

@@ -383,6 +383,15 @@ describe("Zotero.CollectionTreeView", function() {
 			assert.equal(cv.getSelectedLibraryID(), feed.id);
 		})
 		
+		it("should remove deleted feed", function* () {
+			var feed = yield createFeed();
+			yield cv.selectLibrary(feed.libraryID);
+			waitForDialog();
+			var id = feed.treeViewID;
+			yield win.ZoteroPane.deleteSelectedCollection();
+			assert.isFalse(cv.getRowIndexByID(id))
+		})
+		
 	})
 	
 	describe("#drop()", function () {