/*******************************************************************************
* Copyright (c) 2009-2013 CWI
* 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:
* * Bert Lisser - Bert.Lisser@cwi.nl (CWI)
* * Paul Klint - Paul.Klint@cwi.nl - CWI
*******************************************************************************/
package org.rascalmpl.library.vis.figure.interaction.swtwidgets;
import java.util.List;
import org.eclipse.imp.pdb.facts.IValue;
import org.eclipse.imp.pdb.facts.type.TypeFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.rascalmpl.interpreter.result.Result;
import org.rascalmpl.library.vis.graphics.GraphicsContext;
import org.rascalmpl.library.vis.properties.Properties;
import org.rascalmpl.library.vis.properties.PropertyManager;
import org.rascalmpl.library.vis.swt.IFigureConstructionEnv;
import org.rascalmpl.library.vis.swt.SWTFontsAndColors;
import org.rascalmpl.library.vis.swt.applet.IHasSWTElement;
import org.rascalmpl.library.vis.util.FigureColorUtils;
import org.rascalmpl.values.ValueFactoryFactory;
public class TextField extends SWTWidgetFigureWithValidationAndCallBack<Text> {
private final Color falseColor;
public TextField(IFigureConstructionEnv env, String text, IValue cb, IValue validate, PropertyManager properties) {
super(env, cb, validate, properties);
falseColor = SWTFontsAndColors.getRgbColor(FigureColorUtils.colorNames.get("red").intValue());
widget = makeWidget(env.getSWTParent(), env,text);
widget.setVisible(false);
widget.setText(text);
}
@Override
public void drawElement(GraphicsContext gc, List<IHasSWTElement> visibleSWTElements) {
super.drawElement(gc, visibleSWTElements);
widget.setForeground(validated ? SWTFontsAndColors.getRgbColor(prop.getColor(Properties.FONT_COLOR)) : falseColor);
}
Text makeWidget(Composite comp, IFigureConstructionEnv env,String text) {
Text textfield = new Text(comp, SWT.SINGLE | SWT.BORDER);
textfield.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
doValidate();
}
});
textfield.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
doCallback();
}
});
return textfield;
}
@Override
Result<IValue> executeValidate() {
return cbenv.executeRascalCallBackSingleArgument(validate, TypeFactory.getInstance().stringType(), ValueFactoryFactory.getValueFactory().string(widget.getText()));
}
@Override
void executeCallback() {
cbenv.executeRascalCallBackSingleArgument(callback, TypeFactory.getInstance().stringType(), ValueFactoryFactory.getValueFactory().string(widget.getText()));
}
}