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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.properties.ui.creation;
import java.util.Arrays;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.jface.dialogs.TrayDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.papyrus.infra.properties.internal.ui.Activator;
import org.eclipse.papyrus.infra.properties.ui.widgets.layout.PropertiesLayout;
import org.eclipse.papyrus.infra.widgets.editors.AbstractEditor;
import org.eclipse.papyrus.infra.widgets.editors.ICommitListener;
import org.eclipse.papyrus.infra.widgets.editors.ReferenceDialog;
import org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
public class CreateInDialog extends TrayDialog {
/**
* The ContentProvider for browsing potential container EObjects
*/
protected IStaticContentProvider containerContentProvider;
/**
* The ContentProvider for browsing potential containment EReferences.
* The input of this content provider is the object selected through the
* containerContentProvider
*/
protected IStaticContentProvider referenceContentProvider;
/**
* The LabelProvider for displaying potential container EObjects
*/
protected ILabelProvider containerLabelProvider;
/**
* The LabelProvider for displaying potential containment EReferences
*/
protected ILabelProvider referenceLabelProvider;
/**
* This dialog's shell's title
*/
protected String title;
protected EObject container;
protected EReference containmentReference;
protected ReferenceDialog referenceDialog;
/**
* The instance of object being created
*/
protected Object input;
public CreateInDialog(Shell parentShell, Object input) {
super(parentShell);
this.input = input;
}
@Override
public void create() {
super.create();
getShell().setText(title);
getShell().setImage(Activator.getDefault().getImage(org.eclipse.papyrus.infra.widgets.Activator.PLUGIN_ID, "icons/papyrus.png")); //$NON-NLS-1$
Label label = new Label(getDialogArea(), SWT.NONE);
label.setText("Choose the parent element for the new object:");
GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
data.horizontalIndent = 5;
data.verticalIndent = 5;
label.setLayoutData(data);
final ReferenceDialog containerDialog = new ReferenceDialog(getDialogArea(), SWT.NONE);
containerDialog.setLabel("Container : ");
containerDialog.setLabelProvider(containerLabelProvider);
containerDialog.setContentProvider(containerContentProvider);
containerDialog.setInput(input);
referenceDialog = new ReferenceDialog(getDialogArea(), SWT.NONE);
referenceDialog.setLabel("Reference : ");
referenceDialog.setLabelProvider(referenceLabelProvider);
referenceDialog.setContentProvider(referenceContentProvider);
containerDialog.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
container = (EObject) containerDialog.getValue();
referenceDialog.setInput(container);
referenceContentProvider.inputChanged(null, null, container);
if (referenceContentProvider.getElements().length == 0) {
referenceDialog.setValue(null);
} else if (referenceContentProvider.getElements().length == 1) {
referenceDialog.setValue(referenceContentProvider.getElements()[0]);
} else {
if (!Arrays.asList(referenceContentProvider.getElements()).contains(referenceDialog.getValue())) {
referenceDialog.setValue(null);
}
}
updateControls();
}
});
referenceDialog.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
containmentReference = (EReference) referenceDialog.getValue();
updateControls();
}
});
updateControls();
getShell().setSize(450, 180);
}
protected void updateControls() {
referenceDialog.setReadOnly(referenceContentProvider.getElements().length < 2);
if (container == null || containmentReference == null) {
getButton(OK).setEnabled(false);
return;
}
getButton(OK).setEnabled(container.eClass().getEAllReferences().contains(containmentReference));
}
@Override
protected Composite getDialogArea() {
return (Composite) super.getDialogArea();
}
public EObject getContainer() {
return container;
}
public EReference getContainmentReference() {
return containmentReference;
}
public void setTitle(String title) {
this.title = title;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
composite.setLayout(new PropertiesLayout(true));
return composite;
}
@Override
protected boolean isResizable() {
return true;
}
public void setProviders(IStaticContentProvider containerContentProvider, IStaticContentProvider referenceContentProvider, ILabelProvider containerLabelProvider, ILabelProvider referenceLabelProvider) {
this.containerContentProvider = containerContentProvider;
this.referenceContentProvider = referenceContentProvider;
this.containerLabelProvider = containerLabelProvider;
this.referenceLabelProvider = referenceLabelProvider;
}
}
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