/*
* ====================================================================
*
* 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,
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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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* For written permission, please contact andrus@objectstyle.org.
*
* 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
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* 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.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.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.EORelationship;
import org.objectstyle.wolips.eomodeler.core.model.EORelationshipPath;
import org.objectstyle.wolips.eomodeler.utils.BooleanUpdateValueStrategy;
import org.objectstyle.wolips.eomodeler.utils.FormUtils;
import org.objectstyle.wolips.eomodeler.utils.UglyFocusHackWorkaroundListener;
public class EORelationshipAdvancedEditorSection extends AbstractPropertySection {
private EORelationship _relationship;
private Text _numberOfToManyFaultsToBatchFetchText;
private Button _ownsDestinationButton;
private Button _propagatesPrimaryKeyButton;
private Button _clientClassPropertyButton;
private Button _commonClassPropertyButton;
private DataBindingContext _bindingContext;
private RelationshipPropertyChangeListener _relationshipPropertyChangeListener;
public EORelationshipAdvancedEditorSection() {
_relationshipPropertyChangeListener = new RelationshipPropertyChangeListener();
}
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.NUMBER_OF_TO_MANY_FAULTS_TO_BATCH_FETCH), SWT.NONE);
_numberOfToManyFaultsToBatchFetchText = new Text(topForm, SWT.BORDER);
GridData nameFieldLayoutData = new GridData(GridData.FILL_HORIZONTAL);
_numberOfToManyFaultsToBatchFetchText.setLayoutData(nameFieldLayoutData);
UglyFocusHackWorkaroundListener.addListener(_numberOfToManyFaultsToBatchFetchText);
getWidgetFactory().createCLabel(topForm, "", SWT.NONE);
_ownsDestinationButton = new Button(topForm, SWT.CHECK);
_ownsDestinationButton.setText(Messages.getString("EORelationship." + EORelationship.OWNS_DESTINATION));
getWidgetFactory().createCLabel(topForm, "", SWT.NONE);
_propagatesPrimaryKeyButton = new Button(topForm, SWT.CHECK);
_propagatesPrimaryKeyButton.setText(Messages.getString("EORelationship." + EORelationship.PROPAGATES_PRIMARY_KEY));
getWidgetFactory().createCLabel(topForm, "", SWT.NONE);
_clientClassPropertyButton = new Button(topForm, SWT.CHECK);
_clientClassPropertyButton.setText(Messages.getString("EORelationship." + EORelationship.CLIENT_CLASS_PROPERTY));
getWidgetFactory().createCLabel(topForm, "", SWT.NONE);
_commonClassPropertyButton = new Button(topForm, SWT.CHECK);
_commonClassPropertyButton.setText(Messages.getString("EORelationship." + EORelationship.COMMON_CLASS_PROPERTY));
}
public void setInput(IWorkbenchPart part, ISelection selection) {
if (ComparisonUtils.equals(selection, getSelection())) {
return;
}
super.setInput(part, selection);
disposeBindings();
Object selectedObject = ((IStructuredSelection) selection).getFirstElement();
if (selectedObject instanceof EORelationship) {
_relationship = (EORelationship) selectedObject;
} else if (selectedObject instanceof EORelationshipPath) {
_relationship = ((EORelationshipPath) selectedObject).getChildRelationship();
}
if (_relationship != null) {
_relationship.addPropertyChangeListener(EORelationship.TO_MANY, _relationshipPropertyChangeListener);
_bindingContext = new DataBindingContext();
_bindingContext.bindValue(SWTObservables.observeText(_numberOfToManyFaultsToBatchFetchText, SWT.Modify), BeansObservables.observeValue(_relationship, EORelationship.NUMBER_OF_TO_MANY_FAULTS_TO_BATCH_FETCH), null, null);
// new BindSpec(null, null, new RegexStringValidator("^[0-9]*$",
// "^[0-9]+$", "Please enter a number"), null)
_bindingContext.bindValue(SWTObservables.observeSelection(_ownsDestinationButton), BeansObservables.observeValue(_relationship, EORelationship.OWNS_DESTINATION), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_propagatesPrimaryKeyButton), BeansObservables.observeValue(_relationship, EORelationship.PROPAGATES_PRIMARY_KEY), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_clientClassPropertyButton), BeansObservables.observeValue(_relationship, EORelationship.CLIENT_CLASS_PROPERTY), null, new BooleanUpdateValueStrategy());
_bindingContext.bindValue(SWTObservables.observeSelection(_commonClassPropertyButton), BeansObservables.observeValue(_relationship, EORelationship.COMMON_CLASS_PROPERTY), null, new BooleanUpdateValueStrategy());
updateCardinalityEnabled();
}
}
protected void updateCardinalityEnabled() {
Boolean isToMany = _relationship.isToMany();
boolean enabled = (isToMany != null && isToMany.booleanValue());
_numberOfToManyFaultsToBatchFetchText.setEnabled(enabled);
}
protected void removeRelationshipListeners() {
if (_relationship != null) {
_relationship.removePropertyChangeListener(EORelationship.TO_MANY, _relationshipPropertyChangeListener);
}
}
protected void disposeBindings() {
if (_bindingContext != null) {
_bindingContext.dispose();
}
removeRelationshipListeners();
}
public void dispose() {
super.dispose();
disposeBindings();
}
protected class RelationshipPropertyChangeListener implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent event) {
EORelationshipAdvancedEditorSection.this.updateCardinalityEnabled();
}
}
}