--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.ui.viewsupport;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.internal.ui.PHPUIMessages;
+
+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 = JavaElementLabels.DEFAULT_QUALIFIED
+ | JavaElementLabels.ROOT_POST_QUALIFIED
+ | JavaElementLabels.APPEND_ROOT_PATH
+ | JavaElementLabels.M_PARAMETER_TYPES
+ | JavaElementLabels.M_PARAMETER_NAMES
+ | JavaElementLabels.M_APP_RETURNTYPE
+ | JavaElementLabels.M_EXCEPTIONS
+ | JavaElementLabels.F_APP_TYPE_SIGNATURE;
+
+ 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 PHPUIMessages
+ .getFormattedString(
+ "StatusBarUpdater.num_elements_selected", String.valueOf(nElements)); //$NON-NLS-1$
+ } else {
+ Object elem = selection.getFirstElement();
+ if (elem instanceof IJavaElement) {
+ return formatJavaElementMessage((IJavaElement) elem);
+ } else if (elem instanceof IResource) {
+ return formatResourceMessage((IResource) elem);
+ }
+ }
+ }
+ return ""; //$NON-NLS-1$
+ }
+
+ private String formatJavaElementMessage(IJavaElement element) {
+ return JavaElementLabels.getElementLabel(element, LABEL_FLAGS);
+ }
+
+ private String formatResourceMessage(IResource element) {
+ IContainer parent = element.getParent();
+ if (parent != null && parent.getType() != IResource.ROOT)
+ return element.getName() + JavaElementLabels.CONCAT_STRING
+ + parent.getFullPath().makeRelative().toString();
+ else
+ return element.getName();
+ }
+
+}