/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.eclipse.rulebuilder.ui;
import org.drools.ide.common.client.modeldriven.brl.BaseSingleFieldConstraint;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.forms.widgets.FormToolkit;
public class ValueEditorTypeSelectionDialog extends RuleDialog {
private final FormToolkit toolkit;
private RuleModeller modeller;
private BaseSingleFieldConstraint constraint;
public ValueEditorTypeSelectionDialog(Shell parent,
FormToolkit toolkit,
RuleModeller modeller,
BaseSingleFieldConstraint constraint) {
super( parent,
"Select value editor type",
"Select value editor type" );
this.toolkit = toolkit;
this.modeller = modeller;
this.constraint = constraint;
}
protected Control createDialogArea(final Composite parent) {
Composite composite = (Composite) super.createDialogArea( parent );
createLabel( composite,
"Field value:" );
final Combo valueTypeCombo = new Combo( composite,
SWT.READ_ONLY );
valueTypeCombo.add( "Literal value" ); // 0
valueTypeCombo.add( "A formula" ); // 1
if ( modeller.getModel().getBoundVariablesInScope( constraint ).size() > 0 ) {
valueTypeCombo.add( "Bound variable" ); // 2
}
valueTypeCombo.addModifyListener( new ModifyListener() {
public void modifyText(ModifyEvent e) {
switch ( valueTypeCombo.getSelectionIndex() ) {
case 0 :
constraint.setConstraintValueType(BaseSingleFieldConstraint.TYPE_LITERAL);
break;
case 1 :
constraint.setConstraintValueType(BaseSingleFieldConstraint.TYPE_RET_VALUE);
break;
case 2 :
constraint.setConstraintValueType(BaseSingleFieldConstraint.TYPE_VARIABLE);
break;
}
getShell().getDisplay().asyncExec( new Runnable() {
public void run() {
modeller.reloadLhs();
modeller.setDirty( true );
close();
}
} );
}
} );
toolkit.paintBordersFor( composite );
return composite;
}
}