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/*****************************************************************************
* Copyright (c) 2014 Cedric Dumoulin.
*
*
* 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:
* Cedric Dumoulin Cedric.dumoulin@lifl.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.profile.drafter.ui.dialog;
import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalListener;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.papyrus.uml.profile.drafter.ui.contentassist.TypeContentProposalBase;
import org.eclipse.papyrus.uml.profile.drafter.ui.contentassist.TypeContentProposalProvider;
import org.eclipse.papyrus.uml.profile.drafter.ui.model.ITypeCatalog;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.uml2.uml.Type;
/**
* A Label used to select a uml {@link Type}.
*
* @author cedric dumoulin
*
* TODO : 20141126 not used - can be removed
*
*/
public class TypeSelectorLabel extends Text {
/**
* Type catalog used to propose existing types.
*/
protected ITypeCatalog typeProvider;
protected ILabelProvider typeLabelProvider;
protected Type type;
/**
* Constructor.
*
* @param parent
* @param style
*/
public TypeSelectorLabel(Composite parent, int style, ITypeCatalog typeProvider, ILabelProvider typeLabelProvider, Type defaultType) {
super(parent, style);
this.typeProvider = typeProvider;
this.typeLabelProvider = typeLabelProvider;
// TODO: set first type
setType(defaultType);
// Set content assist
installContentAssist();
}
/**
* Associate a ContentAssist based on the {@link ITypeCatalog}.
*/
private void installContentAssist() {
installContentAssistantProvider( new TypeContentProposalProvider( typeProvider ));
}
/**
* Install content assistant provider.
*
* @param control The control to which content assist is installed.
*
* @param contentProposalProvider The associated {@link ContentProposalAdapter}.
*/
protected void installContentAssistantProvider( IContentProposalProvider contentProposalProvider) {
// KeyStroke keyStroke = KeyStroke.getInstance("Ctrl+Space");
KeyStroke keyStroke = null;
char[] autoActivationCharacters = null;
int autoActivationDelay = 500;
ContentProposalAdapter adapter = new ContentProposalAdapter(this, new TextContentAdapter(), contentProposalProvider, keyStroke, autoActivationCharacters);
adapter.setAutoActivationDelay(autoActivationDelay);
// filter proposals as keys are pressed and proposals popup is present
adapter.setFilterStyle(ContentProposalAdapter.FILTER_NONE);
// replace all text
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
// Listener called when a selection is made.
// Use the associated type to set the Type.
adapter.addContentProposalListener(new IContentProposalListener() {
@Override
public void proposalAccepted(IContentProposal proposal) {
// set the corresponding type
if( proposal instanceof TypeContentProposalBase ) {
TypeContentProposalBase typeProposal = (TypeContentProposalBase)proposal;
setType(typeProposal.getType());
}
}
});
}
/**
* @return the type
*/
public Type getType() {
return type;
}
/**
* @param type the type to set
*/
public void setType(Type type) {
String label = typeLabelProvider.getText(type);
setText(label);
setTypeInternal(type);
}
/**
* Set the type and throw an event.
*
* @param type the type to set
*/
public void setTypeInternal(Type type) {
this.type = type;
}
}
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