diff options
Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/navigator/deferred/ClearPlaceHolderJob.java')
-rw-r--r-- | bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/navigator/deferred/ClearPlaceHolderJob.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/navigator/deferred/ClearPlaceHolderJob.java b/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/navigator/deferred/ClearPlaceHolderJob.java new file mode 100644 index 00000000..80611b87 --- /dev/null +++ b/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/navigator/deferred/ClearPlaceHolderJob.java @@ -0,0 +1,49 @@ +/******************************************************************************* + * Copyright (c) 2012 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 + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.wst.jsdt.internal.ui.navigator.deferred; + +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; +import org.eclipse.jface.viewers.AbstractTreeViewer; +import org.eclipse.ui.progress.UIJob; +import org.eclipse.wst.jsdt.internal.ui.packageview.PackagesMessages; + +public class ClearPlaceHolderJob extends UIJob { + + private AbstractTreeViewer viewer; + private LoadingModelNode placeHolder; + private Object[] children; + private Object parent; + + public ClearPlaceHolderJob(AbstractTreeViewer viewer, LoadingModelNode placeHolder, Object parent, Object[] children) { + super(PackagesMessages.UpdatingViewer); + this.viewer = viewer; + this.placeHolder = placeHolder; + this.parent = parent; + this.children = children; + setRule(new NonConflictingRule()); + } + + public IStatus runInUIThread(IProgressMonitor monitor) { + if (!viewer.getControl().isDisposed()) { + try { + viewer.getControl().setRedraw(false); + viewer.add(parent, children); + viewer.remove(placeHolder); + } + finally { + viewer.getControl().setRedraw(true); + } + } + return Status.OK_STATUS; + } +}
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