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package org.eclipse.papyrus.customization.properties.providers;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.papyrus.infra.widgets.editors.AbstractEditor;
import org.eclipse.papyrus.infra.widgets.editors.BooleanToggle;
import org.eclipse.papyrus.infra.widgets.editors.ICommitListener;
import org.eclipse.papyrus.infra.widgets.providers.IGraphicalContentProvider;
import org.eclipse.papyrus.views.properties.environment.EnvironmentPackage;
import org.eclipse.papyrus.views.properties.environment.PropertyEditorType;
import org.eclipse.papyrus.views.properties.environment.Type;
import org.eclipse.papyrus.views.properties.ui.PropertyEditor;
import org.eclipse.papyrus.views.properties.widgets.layout.PropertiesLayout;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
public class PropertyEditorTypeContentProvider extends EnvironmentContentProvider implements IGraphicalContentProvider, ICommitListener {
private PropertyEditor source;
private Viewer viewer;
private boolean filter = true;
private BooleanToggle filterButton;
public PropertyEditorTypeContentProvider(PropertyEditor source) {
super(EnvironmentPackage.eINSTANCE.getEnvironment_PropertyEditorTypes());
this.source = source;
}
@Override
public void createBefore(Composite parent) {
Composite self = new Composite(parent, SWT.NONE);
self.setLayout(new PropertiesLayout());
filterButton = new BooleanToggle(self);
filterButton.setText("Filter");
filterButton.setValue(this.filter);
filterButton.addCommitListener(this);
super.createBefore(self);
}
@Override
public Object[] getElements() {
Object[] elements = super.getElements();
if(!filter || source.getProperty() == null) {
return elements;
}
Type type = source.getProperty().getType();
boolean isPropertyMultiple = source.getProperty().getMultiplicity() != 1;
List<Object> filteredElements = new LinkedList<Object>();
for(Object element : elements) {
PropertyEditorType editorType = (PropertyEditorType)element;
boolean isElementMultiple = editorType.getMultiplicity() != 1;
if(editorType.getType() == type && isPropertyMultiple == isElementMultiple) {
filteredElements.add(element);
}
}
return filteredElements.toArray();
}
public void commit(AbstractEditor editor) {
filter = filterButton.getValue();
if(super.viewer != null) {
super.viewer.refresh();
}
}
}
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