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Bugzilla – Attachment 192180 Details for
Bug 327004
[Viewers] Widget is disposed exception when refreshing TreeViewer after modifying a filter
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[patch]
Test Case
patch.txt (text/plain), 3.37 KB, created by
Dani Megert
on 2011-03-30 08:51:27 EDT
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Description:
Test Case
Filename:
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Creator:
Dani Megert
Created:
2011-03-30 08:51:27 EDT
Size:
3.37 KB
patch
obsolete
>### Eclipse Workspace Patch 1.0 >#P org.eclipse.ui.tests >Index: Eclipse JFace Tests/org/eclipse/jface/tests/viewers/SimpleTreeViewerTest.java >=================================================================== >RCS file: /cvsroot/eclipse/org.eclipse.ui.tests/Eclipse JFace Tests/org/eclipse/jface/tests/viewers/SimpleTreeViewerTest.java,v >retrieving revision 1.6 >diff -u -r1.6 SimpleTreeViewerTest.java >--- Eclipse JFace Tests/org/eclipse/jface/tests/viewers/SimpleTreeViewerTest.java 6 Sep 2007 19:56:39 -0000 1.6 >+++ Eclipse JFace Tests/org/eclipse/jface/tests/viewers/SimpleTreeViewerTest.java 30 Mar 2011 12:50:49 -0000 >@@ -1,5 +1,5 @@ > /******************************************************************************* >- * Copyright (c) 2006, 2007 IBM Corporation and others. >+ * Copyright (c) 2006, 2011 IBM Corporation and others. > * All rights reserved. This program and the accompanying materials > * are made available under the terms of the Eclipse Public License v1.0 > * which accompanies this distribution, and is available at >@@ -11,6 +11,9 @@ > > package org.eclipse.jface.tests.viewers; > >+import org.eclipse.swt.graphics.Image; >+import org.eclipse.swt.widgets.Composite; >+ > import org.eclipse.jface.viewers.ILabelProviderListener; > import org.eclipse.jface.viewers.ISelectionChangedListener; > import org.eclipse.jface.viewers.ITableLabelProvider; >@@ -19,12 +22,13 @@ > import org.eclipse.jface.viewers.SelectionChangedEvent; > import org.eclipse.jface.viewers.StructuredSelection; > import org.eclipse.jface.viewers.StructuredViewer; >+import org.eclipse.jface.viewers.TreeNode; >+import org.eclipse.jface.viewers.TreeNodeContentProvider; > import org.eclipse.jface.viewers.TreePathViewerSorter; > import org.eclipse.jface.viewers.TreeViewer; > import org.eclipse.jface.viewers.Viewer; >+import org.eclipse.jface.viewers.ViewerFilter; > import org.eclipse.jface.viewers.ViewerSorter; >-import org.eclipse.swt.graphics.Image; >-import org.eclipse.swt.widgets.Composite; > > /** > * @since 3.2 >@@ -106,15 +110,17 @@ > treeViewer.refresh(); > treeViewer.removeSelectionChangedListener(listener); > } >- >+ > public void testBug184712() { > class TableAndTreeLabelProvider extends LabelProvider implements ITableLabelProvider { > public Image getColumnImage(Object element, int columnIndex) { > return null; > } >+ > public String getColumnText(Object element, int columnIndex) { > return "wrong"; > } >+ > public String getText(Object element) { > return "right"; > } >@@ -122,4 +128,25 @@ > treeViewer.setLabelProvider(new TableAndTreeLabelProvider()); > assertEquals("right", treeViewer.getTree().getItem(0).getText()); > } >+ >+ public void test327004() { >+ TreeNode root= new TreeNode("root"); >+ final TreeNode[] children= new TreeNode[4]; >+ children[0]= new TreeNode("1"); >+ children[1]= new TreeNode("1"); >+ children[2]= new TreeNode("1"); >+ children[3]= new TreeNode("1"); >+ root.setChildren(children); >+ treeViewer.setContentProvider(new TreeNodeContentProvider()); >+ treeViewer.setInput(children); >+ ViewerFilter filter= new ViewerFilter() { >+ public boolean select(Viewer viewer, Object parentElement, Object element) { >+ if (element == children[0] || element == children[1] || element == children[2]) >+ return false; >+ return true; >+ } >+ }; >+ treeViewer.setFilters(new ViewerFilter[] { filter }); >+ } >+ > }
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