1 files changed, 295 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/OrderByComposite.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/OrderByComposite.java
new file mode 100644
index 0000000000..ae5495f424
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/OrderByComposite.java
@@ -0,0 +1,295 @@
+/*******************************************************************************
+ * Copyright (c) 2007 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.mappings.details;
+
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.impl.AdapterImpl;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.ITextListener;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.TextEvent;
+import org.eclipse.jface.text.TextViewer;
+import org.eclipse.jpt.core.internal.mappings.IOrderBy;
+import org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage;
+import org.eclipse.jpt.core.internal.mappings.OrderingType;
+import org.eclipse.jpt.ui.internal.IJpaHelpContextIds;
+import org.eclipse.jpt.ui.internal.details.BaseJpaComposite;
+import org.eclipse.jpt.ui.internal.mappings.JpaUiMappingsMessages;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
+
+/**
+ *
+ */
+public class OrderByComposite extends BaseJpaComposite  {
+
+	private IOrderBy orderBy;
+	private Adapter orderingListener;
+	
+	private Button noOrderingRadioButton;
+	private Button primaryKeyOrderingRadioButton;
+	private Button customOrderingRadioButton;
+	
+	private ITextViewer orderingTextViewer;
+	
+
+	public OrderByComposite(Composite parent, CommandStack commandStack, TabbedPropertySheetWidgetFactory widgetFactory) {
+		super(parent, commandStack, widgetFactory);
+		this.orderingListener = buildOrderingListener();
+	}
+
+	private Adapter buildOrderingListener() {
+		return new AdapterImpl() {
+			public void notifyChanged(Notification notification) {
+				orderByChanged(notification);
+			}
+		};
+	}
+
+	@Override
+	protected void initializeLayout(Composite composite) {
+		GridLayout layout = new GridLayout();
+		layout.marginHeight = 0;
+		layout.marginWidth = 0;
+		composite.setLayout(layout);
+		
+		Group orderByGroup = getWidgetFactory().createGroup(composite, JpaUiMappingsMessages.OrderByComposite_orderByGroup);
+		orderByGroup.setLayout(new GridLayout(1, false));
+		GridData gridData =  new GridData();
+		gridData.horizontalAlignment = GridData.FILL;
+		gridData.grabExcessHorizontalSpace = true;
+		orderByGroup.setLayoutData(gridData);
+
+		this.noOrderingRadioButton = buildNoOrderingRadioButton(orderByGroup);
+		gridData =  new GridData();
+		gridData.horizontalAlignment = GridData.FILL;
+		gridData.grabExcessHorizontalSpace = true;
+		this.noOrderingRadioButton.setLayoutData(gridData);
+		PlatformUI.getWorkbench().getHelpSystem().setHelp(this.noOrderingRadioButton, IJpaHelpContextIds.MAPPING_ORDER_BY_NO_ORDERING);
+
+
+		this.primaryKeyOrderingRadioButton = buildPrimaryKeyOrderingRadioButton(orderByGroup);
+		gridData =  new GridData();
+		gridData.horizontalAlignment = GridData.FILL;
+		gridData.grabExcessHorizontalSpace = true;
+		this.primaryKeyOrderingRadioButton.setLayoutData(gridData);
+		PlatformUI.getWorkbench().getHelpSystem().setHelp(this.primaryKeyOrderingRadioButton, IJpaHelpContextIds.MAPPING_ORDER_BY_PRIMARY_KEY_ORDERING);
+
+		this.customOrderingRadioButton = buildCustomOrderingRadioButton(orderByGroup);
+		gridData =  new GridData();
+		gridData.horizontalAlignment = GridData.FILL;
+		gridData.grabExcessHorizontalSpace = true;
+		this.customOrderingRadioButton.setLayoutData(gridData);
+		PlatformUI.getWorkbench().getHelpSystem().setHelp(this.customOrderingRadioButton, IJpaHelpContextIds.MAPPING_ORDER_BY_CUSTOM_ORDERING);
+
+		
+		this.orderingTextViewer = buildOrderByTestViewer(orderByGroup);
+		gridData =  new GridData();
+		gridData.horizontalAlignment = GridData.FILL;
+		gridData.grabExcessHorizontalSpace = true;
+		gridData.horizontalIndent = 15;
+		this.orderingTextViewer.getTextWidget().setLayoutData(gridData);
+		PlatformUI.getWorkbench().getHelpSystem().setHelp(this.orderingTextViewer.getTextWidget(), IJpaHelpContextIds.MAPPING_ORDER_BY);
+	}
+	
+	private Button buildNoOrderingRadioButton(Composite parent) {
+		Button button = getWidgetFactory().createButton(
+			parent, 
+			JpaUiMappingsMessages.OrderByComposite_noOrdering, 
+			SWT.RADIO);
+		button.addSelectionListener(new SelectionListener() {
+			public void widgetDefaultSelected(SelectionEvent e) {
+				// ignore
+			}
+			public void widgetSelected(SelectionEvent e) {
+				OrderByComposite.this.noOrderingRadioButtonSelected(e);
+			}
+		});
+
+		return button;
+	}
+
+	void noOrderingRadioButtonSelected(SelectionEvent e) {
+		if (!((Button) e.widget).getSelection()) {
+			//ignore case where radio button is deselected
+			return;
+		}
+		if (this.orderBy.getType() == OrderingType.NONE) {
+			return;
+		}
+		this.orderBy.setType(OrderingType.NONE);
+		this.orderBy.setValue(null);
+	}
+	
+	private Button buildPrimaryKeyOrderingRadioButton(Composite parent) {
+		Button button = getWidgetFactory().createButton(
+			parent, 
+			JpaUiMappingsMessages.OrderByComposite_primaryKeyOrdering, 
+			SWT.RADIO);
+		button.addSelectionListener(new SelectionListener() {
+			public void widgetDefaultSelected(SelectionEvent e) {
+				// ignore
+			}
+			public void widgetSelected(SelectionEvent e) {
+				OrderByComposite.this.primaryKeyOrderingRadioButtonSelected(e);
+			}
+		});
+		return button;
+	}
+	
+	void primaryKeyOrderingRadioButtonSelected(SelectionEvent e) {
+		if (!((Button) e.widget).getSelection()) {
+			//ignore case where radio button is deselected
+			return;
+		}
+		if (this.orderBy.getType() == OrderingType.PRIMARY_KEY) {
+			return;
+		}
+		this.orderBy.setType(OrderingType.PRIMARY_KEY);
+	}
+
+	private Button buildCustomOrderingRadioButton(Composite parent) {
+		Button button = getWidgetFactory().createButton(
+			parent, 
+			JpaUiMappingsMessages.OrderByComposite_customOrdering, 
+			SWT.RADIO);
+		button.addSelectionListener(new SelectionListener() {
+			public void widgetDefaultSelected(SelectionEvent e) {
+				// ignore
+			}
+			public void widgetSelected(SelectionEvent e) {
+				OrderByComposite.this.customOrderingRadioButtonSelected(e);
+			}
+		});
+
+		return button;
+	}
+	
+	void customOrderingRadioButtonSelected(SelectionEvent e) {
+		if (!((Button) e.widget).getSelection()) {
+			//ignore case where radio button is deselected
+			return;
+		}
+		if (this.orderBy.getType() == OrderingType.CUSTOM) {
+			return;
+		}
+		this.orderBy.setType(OrderingType.CUSTOM);
+	}
+	
+	private ITextViewer buildOrderByTestViewer(Composite parent) {
+		final TextViewer textViewer = new TextViewer(parent, SWT.SINGLE | SWT.BORDER);
+		textViewer.setDocument(new Document());
+		textViewer.addTextListener(new ITextListener() {
+			public void textChanged(TextEvent event) {
+				orderingTextViewerChanged();
+			}
+		});
+		return textViewer;
+	}
+	
+	private void orderingTextViewerChanged() {
+		if (isPopulating()) {
+			return;
+		}
+		String orderByValue = this.orderingTextViewer.getDocument().get();
+		if (orderByValue.equals(this.orderBy.getValue())) {
+			return;
+		}
+		this.orderBy.setValue(orderByValue);
+	}
+
+	private void orderByChanged(Notification notification) {
+		if (notification.getFeatureID(IOrderBy.class) == JpaCoreMappingsPackage.IORDER_BY__VALUE
+			|| notification.getFeatureID(IOrderBy.class) == JpaCoreMappingsPackage.IORDER_BY__TYPE) {
+			Display.getDefault().asyncExec(new Runnable() {
+				public void run() {
+					populate();
+				}
+			});
+		}		
+	}
+
+	@Override
+	protected void doPopulate(EObject obj) {
+		this.orderBy = (IOrderBy) obj;
+		if (this.orderBy == null) {
+			return;
+		}
+		populateOrderingRadioButtons();		
+	}
+	
+	@Override
+	protected void doPopulate() {
+		populateOrderingRadioButtons();		
+	}
+
+	@Override
+	protected void engageListeners() {
+		if (this.orderBy != null) {
+			this.orderBy.eAdapters().add(this.orderingListener);
+		}
+	}
+
+	@Override
+	protected void disengageListeners() {
+		if (this.orderBy != null) {
+			this.orderBy.eAdapters().remove(this.orderingListener);
+		}
+	}
+	
+	private void populateOrderingRadioButtons() {
+		if (this.orderBy.getType() == OrderingType.NONE) {
+			this.primaryKeyOrderingRadioButton.setSelection(false);			
+			this.customOrderingRadioButton.setSelection(false);
+			this.noOrderingRadioButton.setSelection(true);
+			if (!"".equals(this.orderingTextViewer.getDocument().get())) {
+				this.orderingTextViewer.getDocument().set("");
+			}
+		}
+		else if (this.orderBy.getType() == OrderingType.PRIMARY_KEY) {
+			this.customOrderingRadioButton.setSelection(false);
+			this.noOrderingRadioButton.setSelection(false);
+			this.primaryKeyOrderingRadioButton.setSelection(true);			
+			String value = this.orderBy.getValue();
+			if (value != null && !value.equals(this.orderingTextViewer.getDocument().get())) {
+				this.orderingTextViewer.getDocument().set(value);
+			}
+			else {
+				if (!"".equals(this.orderingTextViewer.getDocument().get())) {
+					this.orderingTextViewer.getDocument().set("");				
+				}
+			}
+		}
+		else if (this.orderBy.getType() == OrderingType.CUSTOM) {
+			this.noOrderingRadioButton.setSelection(false);
+			this.primaryKeyOrderingRadioButton.setSelection(false);			
+			this.customOrderingRadioButton.setSelection(true);
+			String value = this.orderBy.getValue();
+			if (value != null && !value.equals(this.orderingTextViewer.getDocument().get())) {
+				this.orderingTextViewer.getDocument().set(value);
+			}
+		}
+		
+		this.orderingTextViewer.setEditable(this.orderBy.getType() == OrderingType.CUSTOM);
+		this.orderingTextViewer.getTextWidget().setEnabled(this.orderBy.getType() == OrderingType.CUSTOM);
+	}
+}