/**
* 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.SuggestionCompletionEngine;
import org.drools.ide.common.client.modeldriven.brl.CompositeFactPattern;
import org.drools.ide.common.client.modeldriven.brl.FactPattern;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
/**
* Adds new fact pattern to a composite fact
*
* @author Anton Arhipov
* @author Ahti Kitsik
*/
public class AddNewFactConstraintDialog extends RuleDialog {
private RuleModeller modeller;
private CompositeFactPattern pattern;
public AddNewFactConstraintDialog(Shell parent,
RuleModeller modeller,
CompositeFactPattern pattern) {
super( parent,
"New fact pattern",
"Pick the value from combobox." );
this.modeller = modeller;
this.pattern = pattern;
}
protected Control createDialogArea(final Composite parent) {
Composite composite = (Composite) super.createDialogArea( parent );
createLabel( composite,
"Choose fact type" );
String[] fieldCompletitions = getCompletion().getFactTypes();
final Combo factsCombo = new Combo( composite,
SWT.READ_ONLY );
factsCombo.add( "Choose fact type..." );
for ( int i = 0; i < fieldCompletitions.length; i++ ) {
factsCombo.add( fieldCompletitions[i] );
}
factsCombo.select( 0 );
factsCombo.addListener( SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
if ( factsCombo.getSelectionIndex() == 0 ) {
return;
}
FactPattern factPattern = new FactPattern();
factPattern.factType = factsCombo.getText();
pattern.addFactPattern( factPattern );
modeller.setDirty( true );
modeller.reloadLhs();
close();
}
} );
return composite;
}
private SuggestionCompletionEngine getCompletion() {
return modeller.getSuggestionCompletionEngine();
}
}