Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / preferences / ProjectSelectionDialog.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/preferences/ProjectSelectionDialog.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/preferences/ProjectSelectionDialog.java
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+/*******************************************************************************
+ * 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.preferences;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.core.runtime.IStatus;
+
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogSettings;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+import org.eclipse.jface.window.Window;
+
+import org.eclipse.ui.dialogs.SelectionStatusDialog;
+
+import org.eclipse.jdt.core.IJavaModel;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
+
+import org.eclipse.jdt.ui.JavaElementComparator;
+import org.eclipse.jdt.ui.JavaElementLabelProvider;
+import org.eclipse.jdt.ui.StandardJavaElementContentProvider;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
+
+public class ProjectSelectionDialog extends SelectionStatusDialog {
+
+       // the visual selection widget group
+       private TableViewer fTableViewer;
+       private Set<IJavaProject> fProjectsWithSpecifics;
+
+       // sizing constants
+       private final static int SIZING_SELECTION_WIDGET_HEIGHT= 250;
+       private final static int SIZING_SELECTION_WIDGET_WIDTH= 300;
+
+       private final static String DIALOG_SETTINGS_SHOW_ALL= "ProjectSelectionDialog.show_all"; //$NON-NLS-1$
+
+       private ViewerFilter fFilter;
+
+       public ProjectSelectionDialog(Shell parentShell, Set<IJavaProject> projectsWithSpecifics) {
+               super(parentShell);
+               setTitle(PreferencesMessages.ProjectSelectionDialog_title);
+               setMessage(PreferencesMessages.ProjectSelectionDialog_desciption);
+               fProjectsWithSpecifics= projectsWithSpecifics;
+
+               fFilter= new ViewerFilter() {
+                       @Override
+                       public boolean select(Viewer viewer, Object parentElement, Object element) {
+                               return fProjectsWithSpecifics.contains(element);
+                       }
+               };
+       }
+
+
+       /* (non-Javadoc)
+        * Method declared on Dialog.
+        */
+       @Override
+       protected Control createDialogArea(Composite parent) {
+               // page group
+               Composite composite= (Composite) super.createDialogArea(parent);
+
+               Font font= parent.getFont();
+               composite.setFont(font);
+
+               createMessageArea(composite);
+
+               fTableViewer= new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
+               fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
+                       public void selectionChanged(SelectionChangedEvent event) {
+                               doSelectionChanged(((IStructuredSelection) event.getSelection()).toArray());
+                       }
+               });
+               fTableViewer.addDoubleClickListener(new IDoubleClickListener() {
+                       public void doubleClick(DoubleClickEvent event) {
+                okPressed();
+                       }
+               });
+               GridData data= new GridData(SWT.FILL, SWT.FILL, true, true);
+               data.heightHint= SIZING_SELECTION_WIDGET_HEIGHT;
+               data.widthHint= SIZING_SELECTION_WIDGET_WIDTH;
+               fTableViewer.getTable().setLayoutData(data);
+
+               fTableViewer.setLabelProvider(new JavaElementLabelProvider());
+               fTableViewer.setContentProvider(new StandardJavaElementContentProvider());
+               fTableViewer.setComparator(new JavaElementComparator());
+               fTableViewer.getControl().setFont(font);
+
+               Button checkbox= new Button(composite, SWT.CHECK);
+               checkbox.setText(PreferencesMessages.ProjectSelectionDialog_filter);
+               checkbox.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false));
+               checkbox.addSelectionListener(new SelectionListener() {
+                       public void widgetSelected(SelectionEvent e) {
+                               updateFilter(((Button) e.widget).getSelection());
+                       }
+                       public void widgetDefaultSelected(SelectionEvent e) {
+                               updateFilter(((Button) e.widget).getSelection());
+                       }
+               });
+               IDialogSettings dialogSettings= JavaPlugin.getDefault().getDialogSettings();
+               boolean doFilter= !dialogSettings.getBoolean(DIALOG_SETTINGS_SHOW_ALL) && !fProjectsWithSpecifics.isEmpty();
+               checkbox.setSelection(doFilter);
+               updateFilter(doFilter);
+
+               IJavaModel input= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot());
+               fTableViewer.setInput(input);
+
+               doSelectionChanged(new Object[0]);
+               Dialog.applyDialogFont(composite);
+               return composite;
+       }
+
+       protected void updateFilter(boolean selected) {
+               if (selected) {
+                       fTableViewer.addFilter(fFilter);
+               } else {
+                       fTableViewer.removeFilter(fFilter);
+               }
+               JavaPlugin.getDefault().getDialogSettings().put(DIALOG_SETTINGS_SHOW_ALL, !selected);
+       }
+
+       private void doSelectionChanged(Object[] objects) {
+               if (objects.length != 1) {
+                       updateStatus(new StatusInfo(IStatus.ERROR, "")); //$NON-NLS-1$
+                       setSelectionResult(null);
+               } else {
+                       updateStatus(new StatusInfo());
+                       setSelectionResult(objects);
+               }
+       }
+
+       /* (non-Javadoc)
+        * @see org.eclipse.ui.dialogs.SelectionStatusDialog#computeResult()
+        */
+       @Override
+       protected void computeResult() {
+       }
+
+
+       public void generated_2705229931928849964(Map<String, Object> data, PropertyAndPreferencePage propertyandpreferencepage) {
+               if (open() == Window.OK) {
+                       IJavaProject res= (IJavaProject) getFirstResult();
+                       propertyandpreferencepage.openProjectProperties(res.getProject(), data);
+               }
+       }
+}