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/*****************************************************************************
* Copyright (c) 2013 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:
* Juan Cadavid (CEA LIST) juan.cadavid@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.widgets.providers;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.papyrus.infra.widgets.messages.Messages;
import org.eclipse.papyrus.infra.widgets.selectors.ReferenceSelector;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
/**
*
* @author JC236769
*
*/
public class FlattenableRestrictedFilteredContentProvider extends AbstractFilteredContentProvider implements IStaticContentProvider, IRestrictedContentProvider, IFlattenableContentProvider {
private boolean isFlat = false;
private ReferenceSelector selector;
protected IRestrictedContentProvider provider;
protected HierarchicToFlatContentProvider flatProvider;
/**
*
* Constructor.
*
* @param provider
* the encapsulated content provider
* @param selector
* the reference selector (we need it to refresh it)
*/
public FlattenableRestrictedFilteredContentProvider(IRestrictedContentProvider provider, ReferenceSelector selector) {
this.provider = provider;
flatProvider = new HierarchicToFlatContentProvider(provider);
this.selector = selector;
}
/**
* Add 2 checkboxes to the dialog
*
* @see org.eclipse.papyrus.infra.widgets.providers.AbstractFilteredContentProvider#createAfter(org.eclipse.swt.widgets.Composite)
*
* @param parent
*/
@Override
public void createAfter(final Composite parent) {
super.createAfter(parent);
Composite checkboxSection = new Composite(parent, SWT.NONE);
checkboxSection.setLayout(new FillLayout(SWT.VERTICAL));
final Button onlyCurrentContainersCheckbox = new Button(checkboxSection, SWT.CHECK);
onlyCurrentContainersCheckbox.setText(Messages.FlattenableRestrictedFilteredContentProvider_AllPossibleContentsMessage);
final Button showFlatListOfFeaturesCheckbox = new Button(checkboxSection, SWT.CHECK);
showFlatListOfFeaturesCheckbox.setText(Messages.FlattenableRestrictedFilteredContentProvider_FlatViewMessage);
onlyCurrentContainersCheckbox.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
setRestriction(!onlyCurrentContainersCheckbox.getSelection());
viewer.refresh();
selector.refresh();
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
showFlatListOfFeaturesCheckbox.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
setFlat(showFlatListOfFeaturesCheckbox.getSelection());
viewer.refresh();
selector.refresh();
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
}
public Object[] getElements(Object inputElement) {
if(isFlat) {
return flatProvider.getElements(inputElement);
}
return provider.getElements(inputElement);
}
@Override
public void dispose() {
flatProvider.dispose();
provider.dispose();
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
super.inputChanged(viewer, oldInput, newInput);
flatProvider.inputChanged(viewer, oldInput, newInput);
provider.inputChanged(viewer, oldInput, newInput);
}
public boolean isValidValue(Object element) {
return provider.isValidValue(element);
}
public Object[] getChildren(Object parentElement) {
if(isFlat) {
return new Object[0];
}
return provider.getChildren(parentElement);
}
public Object getParent(Object element) {
if(isFlat) {
return null;
}
return provider.getParent(element);
}
public boolean hasChildren(Object element) {
if(isFlat) {
return false;
}
return provider.hasChildren(element);
}
public void setRestriction(boolean isRestricted) {
provider.setRestriction(isRestricted);
}
public void setFlat(boolean flat) {
this.isFlat = flat;
}
public Object[] getElements() {
return null;
}
/**
*
* @see org.eclipse.papyrus.infra.widgets.providers.IInheritedElementContentProvider#setIgnoreInheritedElements(boolean)
*
* @param ignoreInheritedElements
*/
@Override
public void setIgnoreInheritedElements(boolean ignoreInheritedElements) {
provider.setIgnoreInheritedElements(ignoreInheritedElements);
}
/**
*
* @see org.eclipse.papyrus.infra.widgets.providers.IInheritedElementContentProvider#isIgnoringInheritedElements()
*
* @return
*/
@Override
public boolean isIgnoringInheritedElements() {
return provider.isIgnoringInheritedElements();
}
/**
*
* @see org.eclipse.papyrus.infra.widgets.providers.IRestrictedContentProvider#isRestricted()
*
* @return
*/
@Override
public boolean isRestricted() {
return provider.isRestricted();
}
}
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