| /******************************************************************************* |
| * 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.IMultiRelationshipMapping; |
| import org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage; |
| import org.eclipse.jpt.ui.internal.IJpaHelpContextIds; |
| import org.eclipse.jpt.ui.internal.details.BaseJpaComposite; |
| import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages; |
| 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.help.IWorkbenchHelpSystem; |
| import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; |
| |
| /** |
| * |
| */ |
| public class OrderingComposite extends BaseJpaComposite { |
| |
| private IMultiRelationshipMapping mapping; |
| private Adapter mappingListener; |
| |
| private Button noOrderingRadioButton; |
| private Button primaryKeyOrderingRadioButton; |
| private Button customOrderingRadioButton; |
| |
| private ITextViewer orderingTextViewer; |
| |
| // short circuit flag for user typing |
| private boolean updatingCustomOrderBy = false; |
| |
| |
| public OrderingComposite(Composite parent, CommandStack commandStack, TabbedPropertySheetWidgetFactory widgetFactory) { |
| super(parent, commandStack, widgetFactory); |
| this.mappingListener = buildMappingListener(); |
| } |
| |
| private Adapter buildMappingListener() { |
| return new AdapterImpl() { |
| public void notifyChanged(Notification notification) { |
| mappingChanged(notification); |
| } |
| }; |
| } |
| |
| @Override |
| protected void initializeLayout(Composite composite) { |
| IWorkbenchHelpSystem helpSystem = PlatformUI.getWorkbench().getHelpSystem(); |
| |
| GridLayout layout = new GridLayout(); |
| layout.marginHeight = 0; |
| layout.marginWidth = 0; |
| composite.setLayout(layout); |
| |
| Group orderByGroup = getWidgetFactory().createGroup(composite, JptUiMappingsMessages.OrderByComposite_orderByGroup); |
| orderByGroup.setLayout(new GridLayout(1, false)); |
| GridData gridData = new GridData(); |
| gridData.horizontalAlignment = GridData.FILL; |
| gridData.grabExcessHorizontalSpace = true; |
| orderByGroup.setLayoutData(gridData); |
| helpSystem.setHelp(orderByGroup, IJpaHelpContextIds.MAPPING_ORDER_BY); |
| |
| |
| this.noOrderingRadioButton = buildNoOrderingRadioButton(orderByGroup); |
| gridData = new GridData(); |
| gridData.horizontalAlignment = GridData.FILL; |
| gridData.grabExcessHorizontalSpace = true; |
| this.noOrderingRadioButton.setLayoutData(gridData); |
| // helpSystem().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); |
| // helpSystem().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); |
| // helpSystem().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); |
| helpSystem.setHelp(this.orderingTextViewer.getTextWidget(), IJpaHelpContextIds.MAPPING_ORDER_BY); |
| } |
| |
| private Button buildNoOrderingRadioButton(Composite parent) { |
| Button button = getWidgetFactory().createButton( |
| parent, |
| JptUiMappingsMessages.OrderByComposite_noOrdering, |
| SWT.RADIO); |
| button.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| // ignore |
| } |
| public void widgetSelected(SelectionEvent e) { |
| OrderingComposite.this.noOrderingRadioButtonSelected(e); |
| } |
| }); |
| |
| return button; |
| } |
| |
| void noOrderingRadioButtonSelected(SelectionEvent e) { |
| if (!((Button) e.widget).getSelection()) { |
| //ignore case where radio button is deselected |
| return; |
| } |
| if (this.mapping.isNoOrdering()) { |
| return; |
| } |
| this.mapping.setNoOrdering(); |
| } |
| |
| private Button buildPrimaryKeyOrderingRadioButton(Composite parent) { |
| Button button = getWidgetFactory().createButton( |
| parent, |
| JptUiMappingsMessages.OrderByComposite_primaryKeyOrdering, |
| SWT.RADIO); |
| button.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| // ignore |
| } |
| public void widgetSelected(SelectionEvent e) { |
| OrderingComposite.this.primaryKeyOrderingRadioButtonSelected(e); |
| } |
| }); |
| return button; |
| } |
| |
| void primaryKeyOrderingRadioButtonSelected(SelectionEvent e) { |
| if (!((Button) e.widget).getSelection()) { |
| //ignore case where radio button is deselected |
| return; |
| } |
| if (! this.mapping.isOrderByPk()) { |
| this.mapping.setOrderByPk(); |
| } |
| setTextViewerEnabled(false); |
| } |
| |
| private Button buildCustomOrderingRadioButton(Composite parent) { |
| Button button = getWidgetFactory().createButton( |
| parent, |
| JptUiMappingsMessages.OrderByComposite_customOrdering, |
| SWT.RADIO); |
| button.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| // ignore |
| } |
| public void widgetSelected(SelectionEvent e) { |
| OrderingComposite.this.customOrderingRadioButtonSelected(e); |
| } |
| }); |
| |
| return button; |
| } |
| |
| void customOrderingRadioButtonSelected(SelectionEvent e) { |
| if (!((Button) e.widget).getSelection()) { |
| //ignore case where radio button is deselected |
| return; |
| } |
| setTextViewerEnabled(true); |
| } |
| |
| 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.mapping.getOrderBy())) { |
| return; |
| } |
| |
| this.updatingCustomOrderBy = true; |
| this.mapping.setOrderBy(orderByValue); |
| } |
| |
| private void setTextViewerEnabled(boolean enabled) { |
| this.orderingTextViewer.setEditable(enabled); |
| this.orderingTextViewer.getTextWidget().setEnabled(enabled); |
| } |
| |
| private void mappingChanged(Notification notification) { |
| if (notification.getFeatureID(IMultiRelationshipMapping.class) == JpaCoreMappingsPackage.IMULTI_RELATIONSHIP_MAPPING__ORDER_BY) { |
| Display.getDefault().asyncExec(new Runnable() { |
| public void run() { |
| populate(); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| protected void doPopulate(EObject obj) { |
| this.mapping = (IMultiRelationshipMapping) obj; |
| if (this.mapping == null) { |
| return; |
| } |
| populateOrderingRadioButtons(); |
| } |
| |
| @Override |
| protected void doPopulate() { |
| populateOrderingRadioButtons(); |
| } |
| |
| @Override |
| protected void engageListeners() { |
| if (this.mapping != null) { |
| this.mapping.eAdapters().add(this.mappingListener); |
| } |
| } |
| |
| @Override |
| protected void disengageListeners() { |
| if (this.mapping != null) { |
| this.mapping.eAdapters().remove(this.mappingListener); |
| } |
| } |
| |
| private void populateOrderingRadioButtons() { |
| // short circuit if user is typing |
| if (updatingCustomOrderBy) { |
| updatingCustomOrderBy = false; |
| return; |
| } |
| |
| if (this.mapping.isNoOrdering()) { |
| 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.mapping.isOrderByPk()) { |
| this.customOrderingRadioButton.setSelection(false); |
| this.noOrderingRadioButton.setSelection(false); |
| this.primaryKeyOrderingRadioButton.setSelection(true); |
| // String value = this.ordering.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.mapping.isCustomOrdering()) { |
| this.noOrderingRadioButton.setSelection(false); |
| this.primaryKeyOrderingRadioButton.setSelection(false); |
| this.customOrderingRadioButton.setSelection(true); |
| String value = this.mapping.getOrderBy(); |
| if (value != null && !value.equals(this.orderingTextViewer.getDocument().get())) { |
| this.orderingTextViewer.getDocument().set(value); |
| } |
| } |
| |
| setTextViewerEnabled(this.mapping.isCustomOrdering()); |
| } |
| } |