Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / packageview / GotoTypeAction.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/packageview/GotoTypeAction.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/packageview/GotoTypeAction.java
new file mode 100644 (file)
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+++ b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/packageview/GotoTypeAction.java
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.packageview;
+
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.dialogs.SelectionDialog;
+
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.core.search.SearchEngine;
+
+import org.eclipse.jdt.internal.corext.util.Messages;
+
+import org.eclipse.jdt.ui.IJavaElementSearchConstants;
+import org.eclipse.jdt.ui.JavaElementLabels;
+import org.eclipse.jdt.ui.JavaUI;
+
+import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
+
+class GotoTypeAction extends Action {
+
+       private PackageExplorerPart fPackageExplorer;
+
+       GotoTypeAction(PackageExplorerPart part) {
+               super();
+               setText(PackagesMessages.GotoType_action_label);
+               setDescription(PackagesMessages.GotoType_action_description);
+               fPackageExplorer= part;
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.GOTO_TYPE_ACTION);
+       }
+
+       @Override
+       public void run() {
+               Shell shell= JavaPlugin.getActiveWorkbenchShell();
+               SelectionDialog dialog= null;
+               try {
+                       dialog= JavaUI.createTypeDialog(shell, new ProgressMonitorDialog(shell),
+                               SearchEngine.createWorkspaceScope(), IJavaElementSearchConstants.CONSIDER_ALL_TYPES, false);
+               } catch (JavaModelException e) {
+                       String title= getDialogTitle();
+                       String message= PackagesMessages.GotoType_error_message;
+                       ExceptionHandler.handle(e, title, message);
+                       return;
+               }
+
+               dialog.setTitle(getDialogTitle());
+               dialog.setMessage(PackagesMessages.GotoType_dialog_message);
+               if (dialog.open() == IDialogConstants.CANCEL_ID) {
+                       return;
+               }
+
+               Object[] types= dialog.getResult();
+               if (types != null && types.length > 0) {
+                       gotoType((IType) types[0]);
+               }
+       }
+
+       private void gotoType(IType type) {
+               ICompilationUnit cu= (ICompilationUnit) type.getAncestor(IJavaElement.COMPILATION_UNIT);
+               IJavaElement element= null;
+               if (cu != null) {
+                       element= cu.getPrimary();
+               }
+               else {
+                       element= type.getAncestor(IJavaElement.CLASS_FILE);
+               }
+               if (element != null) {
+                       PackageExplorerPart view= PackageExplorerPart.openInActivePerspective();
+                       if (view != null) {
+                               view.selectReveal(new StructuredSelection(element));
+                               if (!element.equals(getSelectedElement(view))) {
+                                       MessageDialog.openInformation(fPackageExplorer.getSite().getShell(),
+                                               getDialogTitle(),
+                                               Messages.format(PackagesMessages.PackageExplorer_element_not_present, JavaElementLabels.getElementLabel(element, JavaElementLabels.ALL_DEFAULT)));
+                               }
+                       }
+               }
+       }
+
+       private Object getSelectedElement(PackageExplorerPart view) {
+               return ((IStructuredSelection)view.getSite().getSelectionProvider().getSelection()).getFirstElement();
+       }
+
+       private String getDialogTitle() {
+               return PackagesMessages.GotoType_dialog_title;
+       }
+}