| /******************************************************************************* |
| * Copyright (c) 2005, 2010 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.details; |
| |
| import java.util.ListIterator; |
| |
| import org.eclipse.jpt.core.context.JoinColumn; |
| import org.eclipse.jpt.core.context.JoinColumnJoiningStrategy; |
| import org.eclipse.jpt.ui.internal.details.JoinColumnsComposite.JoinColumnsEditor; |
| import org.eclipse.jpt.ui.internal.widgets.Pane; |
| import org.eclipse.jpt.ui.internal.widgets.PostExecution; |
| import org.eclipse.jpt.utility.internal.model.value.CachingTransformationPropertyValueModel; |
| import org.eclipse.jpt.utility.internal.model.value.ReadOnlyWritablePropertyValueModelWrapper; |
| import org.eclipse.jpt.utility.internal.model.value.ValueListAdapter; |
| import org.eclipse.jpt.utility.model.event.StateChangeEvent; |
| import org.eclipse.jpt.utility.model.listener.StateChangeListener; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * Here is the layout of this pane: |
| * <pre> |
| * --------------------------------------------------------------------- |
| * | | |
| * | JoinColumnsComposite | |
| * | | |
| * --------------------------------------------------------------------- |
| * -------------------------------------------------------------------------</pre> |
| * |
| * @see JoinColumnEnabledRelationshipReference |
| * @see JoinColumnJoiningStrategy |
| * @see JoinColumnJoiningStrategyPane |
| * @see JoinColumnInJoiningStrategyDialog |
| * |
| * @version 3.0 |
| * @since 2.0 |
| */ |
| public class JoiningStrategyJoinColumnsComposite |
| extends Pane<JoinColumnJoiningStrategy> |
| { |
| |
| private JoinColumnsComposite<JoinColumnJoiningStrategy> joinColumnsComposite; |
| |
| public JoiningStrategyJoinColumnsComposite( |
| Pane<?> parentPane, |
| PropertyValueModel<JoinColumnJoiningStrategy> subjectHolder, |
| Composite parent) { |
| super(parentPane, subjectHolder, parent); |
| } |
| |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| this.joinColumnsComposite = new JoinColumnsComposite<JoinColumnJoiningStrategy>(this, container, buildJoinColumnsProvider()); |
| this.joinColumnsComposite.installJoinColumnsPaneEnabler(new JoinColumnPaneEnablerHolder()); |
| } |
| |
| private JoinColumnsEditor<JoinColumnJoiningStrategy> buildJoinColumnsProvider() { |
| return new JoinColumnsEditor<JoinColumnJoiningStrategy>() { |
| |
| public void addJoinColumn(JoinColumnJoiningStrategy subject) { |
| JoiningStrategyJoinColumnsComposite.this.addJoinColumn(subject); |
| } |
| |
| public boolean hasSpecifiedJoinColumns(JoinColumnJoiningStrategy subject) { |
| return subject.hasSpecifiedJoinColumns(); |
| } |
| |
| public void editJoinColumn(JoinColumnJoiningStrategy subject, JoinColumn joinColumn) { |
| JoiningStrategyJoinColumnsComposite.this.editJoinColumn(subject, joinColumn); |
| } |
| |
| public JoinColumn getDefaultJoinColumn(JoinColumnJoiningStrategy subject) { |
| return subject.getDefaultJoinColumn(); |
| } |
| |
| public String getDefaultPropertyName() { |
| return JoinColumnJoiningStrategy.DEFAULT_JOIN_COLUMN_PROPERTY; |
| } |
| |
| public String getSpecifiedJoinColumnsListPropertyName() { |
| return JoinColumnJoiningStrategy.SPECIFIED_JOIN_COLUMNS_LIST; |
| } |
| |
| public void removeJoinColumns(JoinColumnJoiningStrategy subject, int[] selectedIndices) { |
| for (int index = selectedIndices.length; --index >= 0; ) { |
| subject.removeSpecifiedJoinColumn(selectedIndices[index]); |
| } |
| } |
| |
| public ListIterator<JoinColumn> specifiedJoinColumns(JoinColumnJoiningStrategy subject) { |
| return subject.specifiedJoinColumns(); |
| } |
| |
| public int specifiedJoinColumnsSize(JoinColumnJoiningStrategy subject) { |
| return subject.specifiedJoinColumnsSize(); |
| } |
| }; |
| } |
| |
| private void addJoinColumn(JoinColumnJoiningStrategy joiningStrategy) { |
| JoinColumnInJoiningStrategyDialog dialog = |
| new JoinColumnInJoiningStrategyDialog(getShell(), joiningStrategy, null); |
| dialog.openDialog(buildAddJoinColumnPostExecution()); |
| } |
| |
| private PostExecution<JoinColumnInJoiningStrategyDialog> buildAddJoinColumnPostExecution() { |
| return new PostExecution<JoinColumnInJoiningStrategyDialog>() { |
| public void execute(JoinColumnInJoiningStrategyDialog dialog) { |
| if (dialog.wasConfirmed()) { |
| addJoinColumn(dialog.getSubject()); |
| } |
| } |
| }; |
| } |
| |
| private void addJoinColumn(JoinColumnInJoiningStrategyStateObject stateObject) { |
| JoinColumnJoiningStrategy subject = getSubject(); |
| int index = subject.specifiedJoinColumnsSize(); |
| |
| JoinColumn joinColumn = subject.addSpecifiedJoinColumn(index); |
| stateObject.updateJoinColumn(joinColumn); |
| this.setSelectedJoinColumn(joinColumn); |
| } |
| |
| public void setSelectedJoinColumn(JoinColumn joinColumn) { |
| this.joinColumnsComposite.setSelectedJoinColumn(joinColumn); |
| } |
| |
| private void editJoinColumn(JoinColumnJoiningStrategy joiningStrategy, JoinColumn joinColumn) { |
| JoinColumnInJoiningStrategyDialog dialog = |
| new JoinColumnInJoiningStrategyDialog(getShell(), joiningStrategy, joinColumn); |
| dialog.openDialog(buildEditJoinColumnPostExecution()); |
| } |
| |
| private PostExecution<JoinColumnInJoiningStrategyDialog> buildEditJoinColumnPostExecution() { |
| return new PostExecution<JoinColumnInJoiningStrategyDialog>() { |
| public void execute(JoinColumnInJoiningStrategyDialog dialog) { |
| if (dialog.wasConfirmed()) { |
| updateJoinColumn(dialog.getSubject()); |
| } |
| } |
| }; |
| } |
| |
| private void updateJoinColumn(JoinColumnInJoiningStrategyStateObject stateObject) { |
| stateObject.updateJoinColumn(stateObject.getJoinColumn()); |
| } |
| |
| protected CachingTransformationPropertyValueModel<JoinColumnJoiningStrategy, Boolean> buildJoinColumnsPaneEnabledHolder() { |
| return new CachingTransformationPropertyValueModel<JoinColumnJoiningStrategy, Boolean>( |
| new ValueListAdapter<JoinColumnJoiningStrategy>( |
| new ReadOnlyWritablePropertyValueModelWrapper<JoinColumnJoiningStrategy>(getSubjectHolder()), |
| JoinColumnJoiningStrategy.SPECIFIED_JOIN_COLUMNS_LIST)) { |
| |
| @Override |
| protected Boolean transform(JoinColumnJoiningStrategy value) { |
| if (value == null) { |
| return Boolean.FALSE; |
| } |
| return super.transform(value); |
| } |
| |
| @Override |
| protected Boolean transform_(JoinColumnJoiningStrategy value) { |
| boolean virtual = value.getRelationshipReference().getRelationshipMapping().getPersistentAttribute().isVirtual(); |
| return Boolean.valueOf(! virtual && value.specifiedJoinColumnsSize() > 0); |
| } |
| }; |
| |
| } |
| |
| |
| private class JoinColumnPaneEnablerHolder |
| extends CachingTransformationPropertyValueModel<JoinColumnJoiningStrategy, Boolean> |
| { |
| private StateChangeListener stateChangeListener; |
| |
| |
| public JoinColumnPaneEnablerHolder() { |
| super( |
| new ValueListAdapter<JoinColumnJoiningStrategy>( |
| new ReadOnlyWritablePropertyValueModelWrapper<JoinColumnJoiningStrategy>(getSubjectHolder()), |
| JoinColumnJoiningStrategy.SPECIFIED_JOIN_COLUMNS_LIST)); |
| this.stateChangeListener = buildStateChangeListener(); |
| } |
| |
| |
| private StateChangeListener buildStateChangeListener() { |
| return new StateChangeListener() { |
| public void stateChanged(StateChangeEvent event) { |
| valueStateChanged(event); |
| } |
| }; |
| } |
| |
| private void valueStateChanged(StateChangeEvent event) { |
| Object oldValue = this.cachedValue; |
| Object newValue = transformNew(this.valueHolder.getValue()); |
| firePropertyChanged(VALUE, oldValue, newValue); |
| } |
| |
| @Override |
| protected Boolean transform(JoinColumnJoiningStrategy value) { |
| if (value == null) { |
| return Boolean.FALSE; |
| } |
| return super.transform(value); |
| } |
| |
| @Override |
| protected Boolean transform_(JoinColumnJoiningStrategy value) { |
| boolean virtual = value.getRelationshipReference().isParentVirtual(); |
| return Boolean.valueOf(! virtual && value.specifiedJoinColumnsSize() > 0); |
| } |
| |
| @Override |
| protected void engageModel() { |
| super.engageModel(); |
| this.valueHolder.addStateChangeListener(this.stateChangeListener); |
| } |
| |
| @Override |
| protected void disengageModel() { |
| this.valueHolder.removeStateChangeListener(this.stateChangeListener); |
| super.disengageModel(); |
| } |
| } |
| } |