Author: DartPeng Date: 2008-08-12 05:00:15 -0400 (Tue, 12 Aug 2008) New Revision: 9655 Modified: workspace/dart/plugins/org.jboss.tools.smooks.ui/src/org/jboss/tools/smooks/utils/UIUtils.java Log: add a setTheProvidersForTreeViewer method give a return value Modified: workspace/dart/plugins/org.jboss.tools.smooks.ui/src/org/jboss/tools/smooks/utils/UIUtils.java =================================================================== --- workspace/dart/plugins/org.jboss.tools.smooks.ui/src/org/jboss/tools/smooks/utils/UIUtils.java 2008-08-12 08:59:41 UTC (rev 9654) +++ workspace/dart/plugins/org.jboss.tools.smooks.ui/src/org/jboss/tools/smooks/utils/UIUtils.java 2008-08-12 09:00:15 UTC (rev 9655) @@ -1,5 +1,7 @@ package org.jboss.tools.smooks.utils; +import org.eclipse.jface.viewers.ILabelProvider; +import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridLayout; @@ -47,13 +49,19 @@ layout.marginHeight = 13; return layout; } - - public static void setTheProvidersForTreeViewer(TreeViewer viewer,String dataTypeID){ + + public static boolean setTheProvidersForTreeViewer(TreeViewer viewer, + String dataTypeID) { if (dataTypeID == null || viewer == null) - return; - viewer.setLabelProvider(ViewerInitorStore.getInstance() - .getLabelProvider(dataTypeID)); - viewer.setContentProvider(ViewerInitorStore.getInstance() - .getTreeCotentProvider(dataTypeID)); + return false; + ILabelProvider lprovider = ViewerInitorStore.getInstance() + .getLabelProvider(dataTypeID); + ITreeContentProvider tprovider = ViewerInitorStore.getInstance() + .getTreeCotentProvider(dataTypeID); + if (tprovider == null) + return false; + viewer.setLabelProvider(lprovider); + viewer.setContentProvider(tprovider); + return true; } }