1 files changed, 204 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/prefs/JpaPreferencePage.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/prefs/JpaPreferencePage.java
new file mode 100644
index 0000000000..d0ccf9c17d
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/prefs/JpaPreferencePage.java
@@ -0,0 +1,204 @@
+/*******************************************************************************
+ *  Copyright (c) 2006 Oracle. 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: Oracle. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jpt.ui.internal.prefs;
+
+import java.io.IOException;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.internal.ui.preferences.UserLibraryPreferencePage;
+import org.eclipse.jface.preference.IPersistentPreferenceStore;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferencePage;
+import org.eclipse.jpt.core.internal.JpaCorePlugin;
+import org.eclipse.jpt.core.internal.prefs.JpaPreferenceConstants;
+import org.eclipse.jpt.ui.internal.JpaUiMessages;
+import org.eclipse.jpt.utility.internal.CollectionTools;
+import org.eclipse.jpt.utility.internal.StringTools;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Link;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;
+import org.eclipse.ui.preferences.ScopedPreferenceStore;
+
+public class JpaPreferencePage extends PreferencePage 
+	implements IWorkbenchPreferencePage
+{
+	public static final String ID = "org.eclipse.jpt.ui.jpaPreferencePage";
+	
+	
+	private IPersistentPreferenceStore preferences;
+	
+	private IPreferenceStore userLibPreferences;
+	
+	private Label jpaLibLabel;
+		
+	private Combo jpaLibCombo;
+	
+	private Link userLibsLink;
+		
+	
+	public JpaPreferencePage() {
+		super();
+		preferences = 
+			new ScopedPreferenceStore(
+				new InstanceScope(),
+				JpaCorePlugin.getPlugin().getBundle().getSymbolicName());
+		userLibPreferences =
+			new ScopedPreferenceStore(
+				new InstanceScope(),
+				JavaCore.getPlugin().getBundle().getSymbolicName());
+	}
+	
+	public void init(IWorkbench workbench) {}
+	
+	public Control createContents(Composite parent) {
+		Composite container = new Composite(parent, SWT.NONE);
+		GridLayout layout = new GridLayout();
+		container.setLayout(layout);
+		
+		jpaLibLabel = createLabel(container, 1, JpaUiMessages.JpaPreferencePage_defaultJpaLib);
+			
+		jpaLibCombo = createCombo(container, true);
+		
+		userLibsLink =  new Link(container, SWT.NONE);
+		GridData data = new GridData(GridData.END, GridData.CENTER, false, false);
+		data.horizontalSpan = 2;
+		userLibsLink.setLayoutData(data);
+		userLibsLink.setText(JpaUiMessages.JpaPreferencePage_userLibsLink);
+		userLibsLink.addSelectionListener(
+			new SelectionAdapter() {
+				public void widgetSelected(SelectionEvent e) {
+					((IWorkbenchPreferenceContainer) getContainer())
+						.openPage(UserLibraryPreferencePage.ID, null);
+				}
+			}
+		);
+			
+		performDefaults();
+		return container;
+	}
+	
+	private Label createLabel(Composite container, int span, String text) {
+		Label label = new Label(container, SWT.NONE);
+		label.setText(text);
+		GridData gd = new GridData();
+		gd.horizontalSpan = span;
+		label.setLayoutData(gd);
+		return label;
+	}
+	
+	private Combo createCombo(Composite container, boolean fillHorizontal) {
+		Combo combo = new Combo(container, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
+		if (fillHorizontal) {
+			combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+		}
+		else {
+			combo.setLayoutData(new GridData());
+		}
+		return combo;
+	}
+	
+	private void fillJpaLibs() {
+		int index = jpaLibCombo.getSelectionIndex();
+		String selectedJpaLib = null;
+		if (index >= 0) {
+			selectedJpaLib = jpaLibCombo.getItem(jpaLibCombo.getSelectionIndex());
+		}
+		
+		jpaLibCombo.clearSelection();
+		jpaLibCombo.setItems(JavaCore.getUserLibraryNames());
+		
+		if (selectedJpaLib != null) {
+			int newIndex = CollectionTools.indexOf(jpaLibCombo.getItems(), selectedJpaLib);
+			if (newIndex >= 0) {
+				jpaLibCombo.select(newIndex);
+			}
+		}
+	}
+	
+	@Override
+	public void setVisible(boolean visible) {
+		super.setVisible(visible);
+		if (visible) {
+			fillJpaLibs();
+		}
+	}
+	
+	public void performDefaults() {
+		fillJpaLibs();
+		String defaultLib = preferences.getString(JpaPreferenceConstants.PREF_DEFAULT_JPA_LIB);
+		int index = -1;
+		if (! StringTools.stringIsEmpty(defaultLib)) {
+			index = CollectionTools.indexOf(jpaLibCombo.getItems(), defaultLib);
+		}
+		if (index >= 0) {
+			jpaLibCombo.select(index);
+		}
+		
+		super.performDefaults();
+	}
+
+	public boolean performOk() {
+		int index = jpaLibCombo.getSelectionIndex();
+		String defaultLib = (index >= 0) ? jpaLibCombo.getItem(index) : null;
+		if (! StringTools.stringIsEmpty(defaultLib)) {
+			preferences.setValue(JpaPreferenceConstants.PREF_DEFAULT_JPA_LIB, defaultLib);
+		}
+		try {
+			preferences.save();
+		}
+		catch (IOException ioe) {
+			JpaCorePlugin.log(ioe);
+		}
+		return true;
+	}
+	
+	public void dispose() {
+		// null pointer check - bug 168337
+		if (jpaLibLabel != null) jpaLibLabel.dispose();
+		if (jpaLibCombo != null) jpaLibCombo.dispose();
+		super.dispose();
+	}
+	
+	
+		
+//		private boolean libContainsJpaClasses() {
+//			return true;
+//			String jarLocation = getStringValue();
+//			String errorMessage = JpaUiMessages.JpaPreferencePage_invalidJpaLib;
+//			boolean hasError = false;
+//			
+//			try {
+//				JarFile jarFile = new JarFile(jarLocation);
+//				hasError = jarFile.getEntry("javax/persistence/EntityManager.class") == null;
+//			}
+//			catch (IOException ioe) {
+//				hasError = true;
+//			}
+//			
+//			if (hasError) {
+//				showErrorMessage(errorMessage);
+//			}
+//			else {
+//				clearErrorMessage();
+//			}
+//			
+//			return ! hasError;
+//		}
+//	}
+}