/*
* ====================================================================
*
* 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.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
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* 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.
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* promote products derived from this software without prior written permission.
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* 5. Products derived from this software may not be called "ObjectStyle" nor
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* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
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* Group, please see <http://objectstyle.org/>.
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package org.objectstyle.wolips.eomodeler.editors.relationship;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
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.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
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.Activator;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.EODeleteRule;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOJoinSemantic;
import org.objectstyle.wolips.eomodeler.core.model.EOModel;
import org.objectstyle.wolips.eomodeler.core.model.EOModelGroup;
import org.objectstyle.wolips.eomodeler.core.model.EORelationship;
import org.objectstyle.wolips.eomodeler.core.model.EORelationshipPath;
import org.objectstyle.wolips.eomodeler.editors.entity.EOEntityLabelProvider;
import org.objectstyle.wolips.eomodeler.editors.entity.EOEntityListContentProvider;
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 EORelationshipBasicEditorSection extends AbstractPropertySection {
private EORelationship _relationship;
private Text _nameText;
private Text _definitionText;
private Button _toOneButton;
private Button _toManyButton;
private Button _optionalButton;
private Button _mandatoryButton;
private JoinsTableEditor _joinsTableEditor;
private ComboViewer _deleteRuleComboViewer;
private ComboViewer _modelComboViewer;
private ComboViewer _joinSemanticComboViewer;
private ComboViewer _entityComboViewer;
private JoinsListener _joinsListener;
private DataBindingContext _bindingContext;
private ComboViewerBinding _deleteRuleBinding;
private ComboViewerBinding _joinSemanticBinding;
private ComboViewerBinding _modelBinding;
private ComboViewerBinding _entityBinding;
private Button _classPropertyButton;
public EORelationshipBasicEditorSection() {
_joinsListener = new JoinsListener();
}
@Override
public boolean shouldUseExtraSpace() {
return true;
}
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("EORelationship." + EORelationship.NAME), SWT.NONE);
_nameText = new Text(topForm, SWT.BORDER);
GridData nameFieldLayoutData = new GridData(GridData.FILL_HORIZONTAL);
_nameText.setLayoutData(nameFieldLayoutData);
UglyFocusHackWorkaroundListener.addListener(_nameText);
getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship." + EORelationship.DEFINITION), SWT.NONE);
_definitionText = new Text(topForm, SWT.BORDER);
GridData definitionFieldLayoutData = new GridData(GridData.FILL_HORIZONTAL);
_definitionText.setLayoutData(definitionFieldLayoutData);
UglyFocusHackWorkaroundListener.addListener(_definitionText);
getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship.settings"), SWT.NONE);
Composite settingsComposite = new Composite(topForm, SWT.NONE);
settingsComposite.setBackground(topForm.getBackground());
FillLayout settingsLayout = new FillLayout(SWT.HORIZONTAL);
settingsLayout.spacing = 10;
settingsComposite.setLayout(settingsLayout);
GridData settingsLayoutData = new GridData(GridData.FILL_HORIZONTAL);
settingsLayoutData.heightHint = 25;
settingsComposite.setLayoutData(settingsLayoutData);
_toManyButton = new Button(settingsComposite, SWT.TOGGLE | SWT.FLAT);
_toManyButton.setToolTipText(Messages.getString("EORelationship." + EORelationship.TO_MANY));
_toManyButton.setImage(Activator.getDefault().getImageRegistry().get(Activator.TO_MANY_ICON));
_classPropertyButton = new Button(settingsComposite, SWT.TOGGLE | SWT.FLAT);
_classPropertyButton.setToolTipText(Messages.getString("EORelationship." + EORelationship.CLASS_PROPERTY));
_classPropertyButton.setImage(Activator.getDefault().getImageRegistry().get(Activator.CLASS_PROPERTY_ICON));
_optionalButton = new Button(settingsComposite, SWT.TOGGLE | SWT.FLAT);
_optionalButton.setToolTipText(Messages.getString("EORelationship." + EORelationship.OPTIONAL));
_optionalButton.setImage(Activator.getDefault().getImageRegistry().get(Activator.ALLOW_NULL_ICON));
// getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship.cardinality"), SWT.NONE);
// Composite cardinalityComposite = getWidgetFactory().createPlainComposite(topForm, SWT.NONE);
// GridLayout cardinalityLayout = new GridLayout();
// cardinalityLayout.numColumns = 2;
// cardinalityLayout.makeColumnsEqualWidth = true;
// cardinalityComposite.setLayout(cardinalityLayout);
// _toOneButton = new Button(cardinalityComposite, SWT.RADIO);
// _toOneButton.setText(Messages.getString("EORelationship.toOne"));
// GridData toOneButtonLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// _toOneButton.setLayoutData(toOneButtonLayoutData);
// _toManyButton = new Button(cardinalityComposite, SWT.RADIO);
// _toManyButton.setText(Messages.getString("EORelationship.toMany"));
// GridData toManyButtonLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// _toManyButton.setLayoutData(toManyButtonLayoutData);
// GridData cardinalityCompositeLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// cardinalityComposite.setLayoutData(cardinalityCompositeLayoutData);
// getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship.optionality"), SWT.NONE);
// Composite optionalityComposite = getWidgetFactory().createPlainComposite(topForm, SWT.NONE);
// GridLayout optionalityLayout = new GridLayout();
// optionalityLayout.numColumns = 2;
// optionalityLayout.makeColumnsEqualWidth = true;
// optionalityComposite.setLayout(optionalityLayout);
// _optionalButton = new Button(optionalityComposite, SWT.RADIO);
// _optionalButton.setText(Messages.getString("EORelationship.optional"));
// GridData optionalButtonLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// _optionalButton.setLayoutData(optionalButtonLayoutData);
// _mandatoryButton = new Button(optionalityComposite, SWT.RADIO);
// _mandatoryButton.setText(Messages.getString("EORelationship.mandatory"));
// GridData mandatoryButtonLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// _mandatoryButton.setLayoutData(mandatoryButtonLayoutData);
// GridData optioanlityCompositeLayoutData = new GridData(GridData.FILL_HORIZONTAL);
// optionalityComposite.setLayoutData(optioanlityCompositeLayoutData);
getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship." + EORelationship.DELETE_RULE), SWT.NONE);
Combo deleteRuleCombo = new Combo(topForm, SWT.BORDER | SWT.FLAT | SWT.READ_ONLY);
_deleteRuleComboViewer = new ComboViewer(deleteRuleCombo);
_deleteRuleComboViewer.setLabelProvider(new EODeleteRuleLabelProvider());
_deleteRuleComboViewer.setContentProvider(new EODeleteRuleContentProvider());
_deleteRuleComboViewer.setInput(EODeleteRule.DELETE_RULES);
_deleteRuleComboViewer.setSelection(new StructuredSelection(EODeleteRule.NULLIFY));
GridData deleteRuleComboLayoutData = new GridData(GridData.FILL_HORIZONTAL);
deleteRuleCombo.setLayoutData(deleteRuleComboLayoutData);
getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship.model"), SWT.NONE);
Combo modelCombo = new Combo(topForm, SWT.BORDER | SWT.FLAT | SWT.READ_ONLY);
_modelComboViewer = new ComboViewer(modelCombo);
_modelComboViewer.setLabelProvider(new EOModelLabelProvider());
_modelComboViewer.setContentProvider(new EOModelListContentProvider());
_modelComboViewer.addSelectionChangedListener(new ModelSelectionListener());
GridData modelRuleComboLayoutData = new GridData(GridData.FILL_HORIZONTAL);
modelCombo.setLayoutData(modelRuleComboLayoutData);
getWidgetFactory().createCLabel(topForm, Messages.getString("EORelationship." + EORelationship.DESTINATION), SWT.NONE);
Combo entityCombo = new Combo(topForm, SWT.BORDER | SWT.FLAT | SWT.READ_ONLY);
_entityComboViewer = new ComboViewer(entityCombo);
_entityComboViewer.setLabelProvider(new EOEntityLabelProvider());
_entityComboViewer.setContentProvider(new EOEntityListContentProvider(false, true, false));
GridData entityComboLayoutData = new GridData(GridData.FILL_HORIZONTAL);
entityCombo.setLayoutData(entityComboLayoutData);
Combo joinSemanticCombo = new Combo(topForm, SWT.BORDER | SWT.FLAT | SWT.READ_ONLY);
_joinSemanticComboViewer = new ComboViewer(joinSemanticCombo);
_joinSemanticComboViewer.setLabelProvider(new EOJoinSemanticLabelProvider());
_joinSemanticComboViewer.setContentProvider(new EOJoinSemanticContentProvider());
_joinSemanticComboViewer.setInput(EOJoinSemantic.JOIN_SEMANTICS);
_joinSemanticComboViewer.setSelection(new StructuredSelection(EOJoinSemantic.INNER));
GridData joinSemanticLayoutData = new GridData(GridData.FILL_HORIZONTAL);
joinSemanticLayoutData.verticalAlignment = SWT.TOP;
joinSemanticCombo.setLayoutData(joinSemanticLayoutData);
_joinsTableEditor = new JoinsTableEditor(topForm, SWT.NONE);
_joinsTableEditor.setBackground(topForm.getBackground());
GridData joinsTableLayoutData = new GridData(GridData.FILL_BOTH);
_joinsTableEditor.setLayoutData(joinsTableLayoutData);
}
public void setInput(IWorkbenchPart part, ISelection selection) {
if (ComparisonUtils.equals(selection, getSelection())) {
return;
}
super.setInput(part, selection);
EORelationship relationship = null;
Object selectedObject = ((IStructuredSelection) selection).getFirstElement();
if (selectedObject instanceof EORelationship) {
relationship = (EORelationship) selectedObject;
} else if (selectedObject instanceof EORelationshipPath) {
relationship = ((EORelationshipPath) selectedObject).getChildRelationship();
}
if (!ComparisonUtils.equals(relationship, _relationship)) {
disposeBindings();
_relationship = relationship;
if (_relationship != null) {
_relationship.addPropertyChangeListener(EORelationship.JOINS, _joinsListener);
_relationship.addPropertyChangeListener(EORelationship.DEFINITION, _joinsListener);
_joinsTableEditor.setRelationship(_relationship);
_modelComboViewer.setInput(_relationship);
_entityComboViewer.setInput(_relationship);
EOEntity destinationEntity = _relationship.getDestination();
if (destinationEntity != null) {
_modelComboViewer.setSelection(new StructuredSelection(destinationEntity.getModel()));
}
_bindingContext = new DataBindingContext();
_bindingContext.bindValue(SWTObservables.observeText(_nameText, SWT.Modify), BeansObservables.observeValue(_relationship, EORelationship.NAME), null, null);
_bindingContext.bindValue(SWTObservables.observeText(_definitionText, SWT.Modify), BeansObservables.observeValue(_relationship, EORelationship.DEFINITION), null, null);
//_bindingContext.bindValue(SWTObservables.observeSelection(_toOneButton), BeansObservables.observeValue(_relationship, EORelationship.TO_ONE), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_toManyButton), BeansObservables.observeValue(_relationship, EORelationship.TO_MANY), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_optionalButton), BeansObservables.observeValue(_relationship, EORelationship.OPTIONAL), null, new BooleanUpdateValueStrategy());
//_bindingContext.bindValue(SWTObservables.observeSelection(_mandatoryButton), BeansObservables.observeValue(_relationship, EORelationship.MANDATORY), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_classPropertyButton), BeansObservables.observeValue(_relationship, EORelationship.CLASS_PROPERTY), null, new BooleanUpdateValueStrategy());
_deleteRuleBinding = new ComboViewerBinding(_deleteRuleComboViewer, _relationship, EORelationship.DELETE_RULE, null, null, null);
_joinSemanticBinding = new ComboViewerBinding(_joinSemanticComboViewer, _relationship, EORelationship.JOIN_SEMANTIC, _relationship.getEntity().getModel().getModelGroup(), EOModelGroup.MODELS, null);
_entityBinding = new ComboViewerBinding(_entityComboViewer, _relationship, EORelationship.DESTINATION, _relationship.getEntity().getModel(), EOModel.ENTITIES, null);
// boolean flattened = myRelationship.isFlattened();
// myDefinitionLabel.setVisible(flattened);
// myDefinitionText.setVisible(flattened);
updateModelAndEntityCombosEnabled();
}
}
}
protected void updateModelAndEntityCombosEnabled() {
boolean joinsEnabled = !_relationship.isFlattened();
boolean hasJoins = _relationship.getJoins().size() != 0;
boolean enabled = !hasJoins && joinsEnabled;
_modelComboViewer.getCombo().setEnabled(enabled);
_entityComboViewer.getCombo().setEnabled(enabled);
//_joinSemanticComboViewer.getCombo().setEnabled(enabled);
_definitionText.setEnabled(!hasJoins);
}
protected void updateEntityCombo() {
IStructuredSelection selection = (IStructuredSelection) _modelComboViewer.getSelection();
EOModel selectedModel = (EOModel) selection.getFirstElement();
_entityComboViewer.setInput(selectedModel);
}
protected void disposeBindings() {
if (_relationship != null) {
_relationship.removePropertyChangeListener(EORelationship.JOINS, _joinsListener);
_relationship.removePropertyChangeListener(EORelationship.DEFINITION, _joinsListener);
}
if (_bindingContext != null) {
_bindingContext.dispose();
}
if (_deleteRuleBinding != null) {
_deleteRuleBinding.dispose();
}
if (_joinSemanticBinding != null) {
_joinSemanticBinding.dispose();
}
if (_modelBinding != null) {
_modelBinding.dispose();
}
if (_entityBinding != null) {
_entityBinding.dispose();
}
if (_joinsTableEditor != null) {
_joinsTableEditor.disposeBindings();
}
}
public void dispose() {
super.dispose();
disposeBindings();
}
protected class JoinsListener implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent event) {
EORelationshipBasicEditorSection.this.updateModelAndEntityCombosEnabled();
}
}
protected class ModelSelectionListener implements ISelectionChangedListener {
public void selectionChanged(SelectionChangedEvent event) {
EORelationshipBasicEditorSection.this.updateEntityCombo();
}
}
}