| /******************************************************************************* |
| * Copyright (c) 2005, 2011 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.jpa.ui.internal.details; |
| |
| import java.util.ListIterator; |
| import org.eclipse.jpt.common.ui.internal.widgets.Pane; |
| import org.eclipse.jpt.common.ui.internal.widgets.PostExecution; |
| import org.eclipse.jpt.common.utility.internal.iterators.SuperListIteratorWrapper; |
| import org.eclipse.jpt.common.utility.internal.model.value.CachingTransformationPropertyValueModel; |
| import org.eclipse.jpt.common.utility.internal.model.value.ReadOnlyWritablePropertyValueModelWrapper; |
| import org.eclipse.jpt.common.utility.internal.model.value.ValueListAdapter; |
| import org.eclipse.jpt.common.utility.model.event.StateChangeEvent; |
| import org.eclipse.jpt.common.utility.model.listener.StateChangeListener; |
| import org.eclipse.jpt.common.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.jpa.core.context.JoinColumn; |
| import org.eclipse.jpt.jpa.core.context.JoinColumnRelationship; |
| import org.eclipse.jpt.jpa.core.context.JoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.ui.internal.details.JoinColumnsComposite.JoinColumnsEditor; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * Here is the layout of this pane: |
| * <pre> |
| * --------------------------------------------------------------------- |
| * | | |
| * | JoinColumnsComposite | |
| * | | |
| * --------------------------------------------------------------------- |
| * -------------------------------------------------------------------------</pre> |
| * |
| * @see JoinColumnRelationship |
| * @see JoinColumnRelationshipStrategy |
| * @see JoinColumnJoiningStrategyPane |
| * @see JoinColumnInJoiningStrategyDialog |
| * |
| * @version 3.0 |
| * @since 2.0 |
| */ |
| public class JoiningStrategyJoinColumnsComposite |
| extends Pane<ReadOnlyJoinColumnRelationshipStrategy> |
| { |
| |
| private JoinColumnsComposite<ReadOnlyJoinColumnRelationshipStrategy> joinColumnsComposite; |
| |
| public JoiningStrategyJoinColumnsComposite( |
| Pane<?> parentPane, |
| PropertyValueModel<ReadOnlyJoinColumnRelationshipStrategy> subjectHolder, |
| Composite parent) { |
| super(parentPane, subjectHolder, parent); |
| } |
| |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| this.joinColumnsComposite = new JoinColumnsComposite<ReadOnlyJoinColumnRelationshipStrategy>(this, container, buildJoinColumnsProvider()); |
| this.joinColumnsComposite.installJoinColumnsPaneEnabler(new JoinColumnPaneEnablerHolder()); |
| } |
| |
| private JoinColumnsEditor<ReadOnlyJoinColumnRelationshipStrategy> buildJoinColumnsProvider() { |
| return new JoinColumnsEditor<ReadOnlyJoinColumnRelationshipStrategy>() { |
| |
| public void addJoinColumn(ReadOnlyJoinColumnRelationshipStrategy subject) { |
| JoiningStrategyJoinColumnsComposite.this.addJoinColumn(subject); |
| } |
| |
| public boolean hasSpecifiedJoinColumns(ReadOnlyJoinColumnRelationshipStrategy subject) { |
| return subject.hasSpecifiedJoinColumns(); |
| } |
| |
| public void editJoinColumn(ReadOnlyJoinColumnRelationshipStrategy subject, ReadOnlyJoinColumn joinColumn) { |
| JoiningStrategyJoinColumnsComposite.this.editJoinColumn(subject, joinColumn); |
| } |
| |
| public ReadOnlyJoinColumn getDefaultJoinColumn(ReadOnlyJoinColumnRelationshipStrategy subject) { |
| return subject.getDefaultJoinColumn(); |
| } |
| |
| public String getDefaultPropertyName() { |
| return ReadOnlyJoinColumnRelationshipStrategy.DEFAULT_JOIN_COLUMN_PROPERTY; |
| } |
| |
| public String getSpecifiedJoinColumnsListPropertyName() { |
| return ReadOnlyJoinColumnRelationshipStrategy.SPECIFIED_JOIN_COLUMNS_LIST; |
| } |
| |
| public void removeJoinColumns(ReadOnlyJoinColumnRelationshipStrategy subject, int[] selectedIndices) { |
| for (int index = selectedIndices.length; --index >= 0; ) { |
| ((JoinColumnRelationshipStrategy) subject).removeSpecifiedJoinColumn(selectedIndices[index]); |
| } |
| } |
| |
| public ListIterator<ReadOnlyJoinColumn> specifiedJoinColumns(ReadOnlyJoinColumnRelationshipStrategy subject) { |
| return new SuperListIteratorWrapper<ReadOnlyJoinColumn>(subject.specifiedJoinColumns()); |
| } |
| |
| public int specifiedJoinColumnsSize(ReadOnlyJoinColumnRelationshipStrategy subject) { |
| return subject.specifiedJoinColumnsSize(); |
| } |
| }; |
| } |
| |
| void addJoinColumn(ReadOnlyJoinColumnRelationshipStrategy 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()); |
| } |
| } |
| }; |
| } |
| |
| void addJoinColumn(JoinColumnInJoiningStrategyStateObject stateObject) { |
| JoinColumnRelationshipStrategy subject = (JoinColumnRelationshipStrategy) getSubject(); |
| JoinColumn joinColumn = subject.addSpecifiedJoinColumn(); |
| stateObject.updateJoinColumn(joinColumn); |
| this.setSelectedJoinColumn(joinColumn); |
| } |
| |
| public void setSelectedJoinColumn(JoinColumn joinColumn) { |
| this.joinColumnsComposite.setSelectedJoinColumn(joinColumn); |
| } |
| |
| void editJoinColumn(ReadOnlyJoinColumnRelationshipStrategy joiningStrategy, ReadOnlyJoinColumn 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()); |
| } |
| } |
| }; |
| } |
| |
| void updateJoinColumn(JoinColumnInJoiningStrategyStateObject stateObject) { |
| stateObject.updateJoinColumn(stateObject.getJoinColumn()); |
| } |
| |
| protected CachingTransformationPropertyValueModel<ReadOnlyJoinColumnRelationshipStrategy, Boolean> buildJoinColumnsPaneEnabledHolder() { |
| return new CachingTransformationPropertyValueModel<ReadOnlyJoinColumnRelationshipStrategy, Boolean>( |
| new ValueListAdapter<ReadOnlyJoinColumnRelationshipStrategy>( |
| new ReadOnlyWritablePropertyValueModelWrapper<ReadOnlyJoinColumnRelationshipStrategy>(getSubjectHolder()), |
| ReadOnlyJoinColumnRelationshipStrategy.SPECIFIED_JOIN_COLUMNS_LIST)) { |
| |
| @Override |
| protected Boolean transform(ReadOnlyJoinColumnRelationshipStrategy value) { |
| if (value == null) { |
| return Boolean.FALSE; |
| } |
| return super.transform(value); |
| } |
| |
| @Override |
| protected Boolean transform_(ReadOnlyJoinColumnRelationshipStrategy value) { |
| boolean virtual = value.getRelationship().getMapping().getPersistentAttribute().isVirtual(); |
| return Boolean.valueOf(! virtual && value.specifiedJoinColumnsSize() > 0); |
| } |
| }; |
| |
| } |
| |
| |
| private class JoinColumnPaneEnablerHolder |
| extends CachingTransformationPropertyValueModel<ReadOnlyJoinColumnRelationshipStrategy, Boolean> |
| { |
| private StateChangeListener stateChangeListener; |
| |
| |
| public JoinColumnPaneEnablerHolder() { |
| super( |
| new ValueListAdapter<ReadOnlyJoinColumnRelationshipStrategy>( |
| new ReadOnlyWritablePropertyValueModelWrapper<ReadOnlyJoinColumnRelationshipStrategy>(getSubjectHolder()), |
| ReadOnlyJoinColumnRelationshipStrategy.SPECIFIED_JOIN_COLUMNS_LIST)); |
| this.stateChangeListener = buildStateChangeListener(); |
| } |
| |
| |
| private StateChangeListener buildStateChangeListener() { |
| return new StateChangeListener() { |
| public void stateChanged(StateChangeEvent event) { |
| valueStateChanged(); |
| } |
| }; |
| } |
| |
| void valueStateChanged() { |
| Object oldValue = this.cachedValue; |
| Object newValue = transformNew(this.valueHolder.getValue()); |
| firePropertyChanged(VALUE, oldValue, newValue); |
| } |
| |
| @Override |
| protected Boolean transform(ReadOnlyJoinColumnRelationshipStrategy value) { |
| if (value == null) { |
| return Boolean.FALSE; |
| } |
| return super.transform(value); |
| } |
| |
| @Override |
| protected Boolean transform_(ReadOnlyJoinColumnRelationshipStrategy value) { |
| boolean virtual = value.getRelationship().isVirtual(); |
| 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(); |
| } |
| } |
| } |