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/*****************************************************************************
* Copyright (c) 2014 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:
* Quentin Le Menez (CEA LIST) quentin.lemenez@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.migration.rsa.wizard.pages;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.papyrus.infra.widgets.util.FileUtil;
import org.eclipse.papyrus.migration.rsa.messages.Messages;
import org.eclipse.papyrus.migration.rsa.RSAToPapyrusParameters.Config;
import org.eclipse.papyrus.views.properties.runtime.DisplayEngine;
import org.eclipse.papyrus.views.properties.util.PropertiesDisplayHelper;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
/**
*
* Generic and reusable composite used to display the previously selected elements and the migration options
*
* @author Quentin Le Menez
*
*/
public abstract class ImportConfigComposite extends Composite {
protected Config config;
protected Collection<Object> transformationFiles;
protected CheckboxTableViewer listViewer;
protected ISelectionChangedListener listListener;
protected DisplayEngine displayEngine;
protected Collection<Object> uncheckedFiles;
/**
*
* Constructor.
*
* @param parent
* The parent composite
* @param style
* The swt style used for this ConfigurationComposite
* @param config
* The configuration used to display the transformation options
*/
public ImportConfigComposite(Composite parent, int style, Config config) {
super(parent, style);
this.setLayout(new GridLayout(1, false));
this.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
this.config = config;
Composite filesComposite = new Composite(this, SWT.BORDER);
filesComposite.setLayout(new FillLayout());
filesComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Composite configComposite = new Composite(this, SWT.BORDER);
configComposite.setLayout(new FillLayout());
configComposite.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
createFilesComposite(filesComposite);
createParamComposite(configComposite);
}
/**
*
* Fills the selection area with all the files selected previously
*
* @param parent
* The parent composite
*/
protected void createFilesComposite(Composite parent) {
Composite listComposite = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(2, false);
listComposite.setLayout(gridLayout);
listViewer = CheckboxTableViewer.newCheckList(listComposite, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
GridData viewerGrid = new GridData(SWT.FILL, SWT.FILL, true, true);
listViewer.getTable().setLayoutData(viewerGrid);
listViewer.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof IFile) {
return FileUtil.getPath((IFile) element, true);
} else if (element instanceof File) {
return ((File) element).getAbsolutePath();
} else {
return Messages.WrongFileType;
}
}
});
listViewer.setContentProvider(new ArrayContentProvider());
listListener = new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
fireSelectionEvent(event);
}
};
listViewer.addSelectionChangedListener(listListener);
setTransformationFiles();
createSelectionButtons(listComposite);
}
/**
*
* Used to update the display from a changed selection in the ConfigPage
*
* @param selectedFiles
* The new list of selected files
*/
abstract void setViewerInput(Collection<Object> selectedFiles);
/**
*
* Abstract method to be implemented by the child in order to create the useful buttons to manipulate the tableViewer's elements
*
* @param parent
* The parent composite in which the new buttons will be created
*/
abstract void createSelectionButtons(Composite parent);
/**
*
* Abstract method to be implemented by the child in order to handle the transformation options
*
* @param event
* The event linked to the configuration's selection buttons
*/
abstract void fireSelectionEvent(SelectionChangedEvent event);
/**
*
* Updates the list of files to be transformed
*
*/
public void setTransformationFiles() {
transformationFiles = new LinkedList<Object>(Arrays.asList(listViewer.getCheckedElements()));
}
/**
*
* Fills the composite with the configuration parameters
*
* @param parent
* The parent composite
*/
public void createParamComposite(Composite parent) {
displayEngine = PropertiesDisplayHelper.display(config, parent);
}
@Override
public void dispose() {
if (displayEngine != null) {
displayEngine.dispose();
}
if (listListener != null) {
listViewer.removeSelectionChangedListener(listListener);
}
super.dispose();
}
}
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