/*
* License (BSD Style License):
* Copyright (c) 2011
* Software Engineering
* Department of Computer Science
* Technische Universität Darmstadt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - 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.
* - Neither the name of the Software Engineering Group or Technische
* Universität Darmstadt nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
*/
package de.tud.cs.st.vespucci.vespucci_model.diagram.part;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.FeatureMap;
import org.eclipse.emf.edit.provider.IWrapperItemProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
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.jface.viewers.TreeViewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
/**
* Wizard page that allows to select element from model.
* @generated
*/
public class ModelElementSelectionPage extends WizardPage {
/**
* @generated
*/
protected EObject selectedModelElement;
/**
* @generated
*/
private TreeViewer modelViewer;
/**
* @generated
*/
public ModelElementSelectionPage(String pageName) {
super(pageName);
}
/**
* @generated
*/
public EObject getModelElement() {
return selectedModelElement;
}
/**
* @generated
*/
public void setModelElement(EObject modelElement) {
selectedModelElement = modelElement;
if (modelViewer != null) {
if (selectedModelElement != null) {
modelViewer.setInput(selectedModelElement.eResource());
modelViewer.setSelection(new StructuredSelection(selectedModelElement));
} else {
modelViewer.setInput(null);
}
setPageComplete(validatePage());
}
}
/**
* @generated
*/
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Composite plate = new Composite(parent, SWT.NONE);
plate.setLayoutData(new GridData(GridData.FILL_BOTH));
GridLayout layout = new GridLayout();
layout.marginWidth = 0;
plate.setLayout(layout);
setControl(plate);
Label label = new Label(plate, SWT.NONE);
label.setText(getSelectionTitle());
label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
modelViewer = new TreeViewer(plate, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
GridData layoutData = new GridData(GridData.FILL_BOTH);
layoutData.heightHint = 300;
layoutData.widthHint = 300;
modelViewer.getTree().setLayoutData(layoutData);
modelViewer.setContentProvider(new AdapterFactoryContentProvider(
de.tud.cs.st.vespucci.vespucci_model.diagram.part.VespucciDiagramEditorPlugin.getInstance()
.getItemProvidersAdapterFactory()));
modelViewer.setLabelProvider(new AdapterFactoryLabelProvider(
de.tud.cs.st.vespucci.vespucci_model.diagram.part.VespucciDiagramEditorPlugin.getInstance()
.getItemProvidersAdapterFactory()));
if (selectedModelElement != null) {
modelViewer.setInput(selectedModelElement.eResource());
modelViewer.setSelection(new StructuredSelection(selectedModelElement));
}
modelViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
ModelElementSelectionPage.this.updateSelection((IStructuredSelection) event.getSelection());
}
});
setPageComplete(validatePage());
}
/**
* Override to provide custom model element description.
* @generated
*/
protected String getSelectionTitle() {
return de.tud.cs.st.vespucci.vespucci_model.diagram.part.Messages.ModelElementSelectionPageMessage;
}
/**
* @generated
*/
protected void updateSelection(IStructuredSelection selection) {
selectedModelElement = null;
if (selection.size() == 1) {
Object selectedElement = selection.getFirstElement();
if (selectedElement instanceof IWrapperItemProvider) {
selectedElement = ((IWrapperItemProvider) selectedElement).getValue();
}
if (selectedElement instanceof FeatureMap.Entry) {
selectedElement = ((FeatureMap.Entry) selectedElement).getValue();
}
if (selectedElement instanceof EObject) {
selectedModelElement = (EObject) selectedElement;
}
}
setPageComplete(validatePage());
}
/**
* Override to provide specific validation of the selected model element.
* @generated
*/
protected boolean validatePage() {
return true;
}
}