Java tutorial
/* * ==================================================================== * * The ObjectStyle Group Software License, Version 1.0 * * Copyright (c) 2006 The ObjectStyle Group and individual authors of the * software. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The end-user documentation included with the redistribution, if any, must * include the following acknowlegement: "This product includes software * developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately, * this acknowlegement may appear in the software itself, if and wherever such * third-party acknowlegements normally appear. * * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or * promote products derived from this software without prior written permission. * For written permission, please contact andrus@objectstyle.org. * * 5. Products derived from this software may not be called "ObjectStyle" nor * may "ObjectStyle" appear in their names without prior written permission of * the ObjectStyle Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many individuals on * behalf of the ObjectStyle Group. For more information on the ObjectStyle * Group, please see <http://objectstyle.org/>. * */ package org.objectstyle.wolips.eomodeler.editors.entity; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.BeansObservables; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage; import org.objectstyle.wolips.baseforplugins.util.ComparisonUtils; import org.objectstyle.wolips.eomodeler.Messages; import org.objectstyle.wolips.eomodeler.core.model.EOEntity; import org.objectstyle.wolips.eomodeler.core.model.EOModel; import org.objectstyle.wolips.eomodeler.utils.BooleanUpdateValueStrategy; import org.objectstyle.wolips.eomodeler.utils.ComboViewerBinding; import org.objectstyle.wolips.eomodeler.utils.FormUtils; import org.objectstyle.wolips.eomodeler.utils.UglyFocusHackWorkaroundListener; public class EOEntityAdvancedEditorSection extends AbstractPropertySection { private EOEntity _entity; private Text _maxNumberOfInstancesToBatchFetchText; private Button _cacheInMemoryButton; private Button _readOnlyButton; private Button _immutableButton; private Button _generateSourceButton; private Button _rawRowsOnlyButton; private Text _externalQueryText; private Text _clientClassNameText; private Text _parentClassNameText; private ComboViewer _partialEntityComboViewer; private ComboViewerBinding _partialEntityBinding; private DataBindingContext _bindingContext; public EOEntityAdvancedEditorSection() { // DO NOTHING } public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) { super.createControls(parent, tabbedPropertySheetPage); Composite form = getWidgetFactory().createFlatFormComposite(parent); FormLayout formLayout = new FormLayout(); form.setLayout(formLayout); Composite topForm = FormUtils.createForm(getWidgetFactory(), form); getWidgetFactory().createCLabel(topForm, Messages.getString("EOEntity." + EOEntity.MAX_NUMBER_OF_INSTANCES_TO_BATCH_FETCH), SWT.NONE); _maxNumberOfInstancesToBatchFetchText = new Text(topForm, SWT.BORDER); GridData maxNumberOfInstancesToBatchFetchFieldLayoutData = new GridData(GridData.FILL_HORIZONTAL); _maxNumberOfInstancesToBatchFetchText.setLayoutData(maxNumberOfInstancesToBatchFetchFieldLayoutData); getWidgetFactory().createCLabel(topForm, "", SWT.NONE); _cacheInMemoryButton = new Button(topForm, SWT.CHECK); _cacheInMemoryButton.setText(Messages.getString("EOEntity." + EOEntity.CACHES_OBJECTS)); getWidgetFactory().createCLabel(topForm, "", SWT.NONE); _readOnlyButton = new Button(topForm, SWT.CHECK); _readOnlyButton.setText(Messages.getString("EOEntity." + EOEntity.READ_ONLY)); getWidgetFactory().createCLabel(topForm, "", SWT.NONE); _immutableButton = new Button(topForm, SWT.CHECK); _immutableButton.setText(Messages.getString("EOEntity." + EOEntity.IMMUTABLE)); getWidgetFactory().createCLabel(topForm, "", SWT.NONE); _generateSourceButton = new Button(topForm, SWT.CHECK); _generateSourceButton.setText(Messages.getString("EOEntity." + EOEntity.GENERATE_SOURCE)); getWidgetFactory().createCLabel(topForm, "", SWT.NONE); _rawRowsOnlyButton = new Button(topForm, SWT.CHECK); _rawRowsOnlyButton.setText(Messages.getString("EOEntity." + EOEntity.RAW_ROWS_ONLY)); getWidgetFactory().createCLabel(topForm, Messages.getString("EOEntity." + EOEntity.EXTERNAL_QUERY), SWT.NONE); _externalQueryText = new Text(topForm, SWT.BORDER); GridData externalQueryFieldLayoutData = new GridData(GridData.FILL_HORIZONTAL); _externalQueryText.setLayoutData(externalQueryFieldLayoutData); UglyFocusHackWorkaroundListener.addListener(_externalQueryText); getWidgetFactory().createCLabel(topForm, Messages.getString("EOEntity." + EOEntity.CLIENT_CLASS_NAME), SWT.NONE); _clientClassNameText = new Text(topForm, SWT.BORDER); GridData clientClassNameLayoutData = new GridData(GridData.FILL_HORIZONTAL); _clientClassNameText.setLayoutData(clientClassNameLayoutData); UglyFocusHackWorkaroundListener.addListener(_clientClassNameText); getWidgetFactory().createCLabel(topForm, Messages.getString("EOEntity." + EOEntity.PARENT_CLASS_NAME), SWT.NONE); _parentClassNameText = new Text(topForm, SWT.BORDER); GridData parentClassNameLayoutData = new GridData(GridData.FILL_HORIZONTAL); _parentClassNameText.setLayoutData(parentClassNameLayoutData); UglyFocusHackWorkaroundListener.addListener(_parentClassNameText); getWidgetFactory().createCLabel(topForm, Messages.getString("EOEntity." + EOEntity.PARTIAL_ENTITY), SWT.NONE); Combo partialEntityCombo = new Combo(topForm, SWT.BORDER | SWT.FLAT | SWT.READ_ONLY); _partialEntityComboViewer = new ComboViewer(partialEntityCombo); _partialEntityComboViewer.setLabelProvider(new EOEntityLabelProvider()); _partialEntityComboViewer.setContentProvider(new EOEntityListContentProvider(true, false, false)); GridData entityComboLayoutData = new GridData(GridData.FILL_HORIZONTAL); partialEntityCombo.setLayoutData(entityComboLayoutData); } public void setInput(IWorkbenchPart part, ISelection selection) { if (ComparisonUtils.equals(selection, getSelection())) { return; } super.setInput(part, selection); disposeBindings(); Object selectedObject = ((IStructuredSelection) selection).getFirstElement(); _entity = (EOEntity) selectedObject; if (_entity != null) { _bindingContext = new DataBindingContext(); _bindingContext.bindValue(SWTObservables.observeText(_maxNumberOfInstancesToBatchFetchText, SWT.Modify), BeansObservables.observeValue(_entity, EOEntity.MAX_NUMBER_OF_INSTANCES_TO_BATCH_FETCH), null, null); // new BindSpec(null, null, new RegexStringValidator("^[0-9]*$", // "^[0-9]+$", "Please enter a number"), null)); _bindingContext.bindValue(SWTObservables.observeSelection(_cacheInMemoryButton), BeansObservables.observeValue(_entity, EOEntity.CACHES_OBJECTS), null, new BooleanUpdateValueStrategy()); _bindingContext.bindValue(SWTObservables.observeSelection(_readOnlyButton), BeansObservables.observeValue(_entity, EOEntity.READ_ONLY), null, new BooleanUpdateValueStrategy()); _bindingContext.bindValue(SWTObservables.observeSelection(_immutableButton), BeansObservables.observeValue(_entity, EOEntity.IMMUTABLE), null, new BooleanUpdateValueStrategy()); _bindingContext.bindValue(SWTObservables.observeSelection(_generateSourceButton), BeansObservables.observeValue(_entity, EOEntity.GENERATE_SOURCE), null, new BooleanUpdateValueStrategy()); _bindingContext.bindValue(SWTObservables.observeSelection(_rawRowsOnlyButton), BeansObservables.observeValue(_entity, EOEntity.RAW_ROWS_ONLY), null, new BooleanUpdateValueStrategy()); _bindingContext.bindValue(SWTObservables.observeText(_externalQueryText, SWT.Modify), BeansObservables.observeValue(_entity, EOEntity.EXTERNAL_QUERY), null, null); _bindingContext.bindValue(SWTObservables.observeText(_clientClassNameText, SWT.Modify), BeansObservables.observeValue(_entity, EOEntity.CLIENT_CLASS_NAME), null, null); _bindingContext.bindValue(SWTObservables.observeText(_parentClassNameText, SWT.Modify), BeansObservables.observeValue(_entity, EOEntity.PARENT_CLASS_NAME), null, null); _partialEntityComboViewer.setInput(_entity); _partialEntityBinding = new ComboViewerBinding(_partialEntityComboViewer, _entity, EOEntity.PARTIAL_ENTITY, _entity.getModel(), EOModel.ENTITIES, EOEntityListContentProvider.BLANK_ENTITY); } } protected void disposeBindings() { if (_bindingContext != null) { _bindingContext.dispose(); _partialEntityBinding.dispose(); } } public void dispose() { super.dispose(); disposeBindings(); } }