1 files changed, 91 insertions, 0 deletions
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/viewsupport/StatusBarUpdater.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/viewsupport/StatusBarUpdater.java
new file mode 100644
index 00000000000..2f8eb354627
--- /dev/null
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/viewsupport/StatusBarUpdater.java
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.ui.viewsupport;
+
+
+import org.eclipse.cdt.core.browser.ITypeInfo;
+import org.eclipse.cdt.core.model.ICElement;
+import org.eclipse.cdt.internal.ui.CUIMessages;
+import org.eclipse.cdt.ui.browser.typeinfo.TypeInfoLabelProvider;
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IResource;
+
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+
+/**
+ * Add the <code>StatusBarUpdater</code> to your ViewPart to have the statusbar
+ * describing the selected elements.
+ */
+public class StatusBarUpdater implements ISelectionChangedListener {
+	
+	private final int LABEL_FLAGS= CElementLabels.DEFAULT_QUALIFIED | CElementLabels.ROOT_POST_QUALIFIED | CElementLabels.APPEND_ROOT_PATH |
+			CElementLabels.M_PARAMETER_TYPES | CElementLabels.M_PARAMETER_NAMES | CElementLabels.M_APP_RETURNTYPE | CElementLabels.M_EXCEPTIONS | 
+		 	CElementLabels.F_APP_TYPE_SIGNATURE;
+
+	private final TypeInfoLabelProvider fTypeInfoLabelProvider = new TypeInfoLabelProvider(TypeInfoLabelProvider.SHOW_FULLY_QUALIFIED + TypeInfoLabelProvider.SHOW_PATH);
+		 	
+	private IStatusLineManager fStatusLineManager;
+	
+	public StatusBarUpdater(IStatusLineManager statusLineManager) {
+		fStatusLineManager= statusLineManager;
+	}
+		
+	/*
+	 * @see ISelectionChangedListener#selectionChanged
+	 */
+	public void selectionChanged(SelectionChangedEvent event) {
+		String statusBarMessage= formatMessage(event.getSelection());
+		fStatusLineManager.setMessage(statusBarMessage);
+	}
+	
+	
+	protected String formatMessage(ISelection sel) {
+		if (sel instanceof IStructuredSelection && !sel.isEmpty()) {
+			IStructuredSelection selection= (IStructuredSelection) sel;
+			
+			int nElements= selection.size();
+			if (nElements > 1) {
+				return CUIMessages.getFormattedString("StatusBarUpdater.num_elements_selected", String.valueOf(nElements)); //$NON-NLS-1$
+			} else { 
+				Object elem= selection.getFirstElement();
+				if (elem instanceof ICElement) {
+					return formatCElementMessage((ICElement) elem);
+				} else if (elem instanceof ITypeInfo) {
+					return formatTypeInfoMessage((ITypeInfo) elem);
+				} else if (elem instanceof IResource) {
+					return formatResourceMessage((IResource) elem);
+				}
+			}
+		}
+		return "";  //$NON-NLS-1$
+	}
+		
+	private String formatCElementMessage(ICElement element) {
+		return CElementLabels.getElementLabel(element, LABEL_FLAGS);
+	}
+		
+	private String formatTypeInfoMessage(ITypeInfo info) {
+		return fTypeInfoLabelProvider.getText(info);
+	}
+
+	private String formatResourceMessage(IResource element) {
+		IContainer parent= element.getParent();
+		if (parent != null && parent.getType() != IResource.ROOT)
+			return element.getName() + CElementLabels.CONCAT_STRING + parent.getFullPath().makeRelative().toString();
+		else
+			return element.getName();
+	}	
+
+}