/**
* 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.guvnor.client.modeldriven.ui;
/*
* Copyright 2005 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.
*/
import org.drools.guvnor.client.common.DirtyableFlexTable;
import org.drools.guvnor.client.messages.Constants;
import org.drools.ide.common.client.modeldriven.brl.FreeFormLine;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
/**
* Free form DRL line widget
* @author esteban.aliverti@gmail.com
*
*/
public class FreeFormLineWidget extends RuleModellerWidget {
private FreeFormLine action;
private DirtyableFlexTable layout = new DirtyableFlexTable();
private Constants constants = ((Constants) GWT.create(Constants.class));
private boolean readOnly;
public FreeFormLineWidget(RuleModeller mod, FreeFormLine p) {
this(mod, p, null);
}
/**
* Creates a new FactPatternWidget
* @param mod
* @param p
* @param readOnly if the widget should be in RO mode. If this parameter
* is null, the readOnly attribute is calculated.
*/
public FreeFormLineWidget(RuleModeller mod, FreeFormLine p,
Boolean readOnly) {
super(mod);
this.action = p;
if (readOnly == null) {
this.readOnly = false;
} else {
this.readOnly = readOnly;
}
layout.setWidget(0, 0, createTextBox());
FlexCellFormatter formatter = layout.getFlexCellFormatter();
formatter.setAlignment(0, 0, HasHorizontalAlignment.ALIGN_LEFT, HasVerticalAlignment.ALIGN_BOTTOM);
if (this.readOnly) {
this.layout.addStyleName("editor-disabled-widget");
}
initWidget(layout);
}
private Widget createTextBox() {
final TextBox tb = new TextBox();
tb.setText(this.action.text);
tb.setTitle(constants.ThisIsADrlExpressionFreeForm());
if (!this.readOnly) {
tb.addChangeHandler(new ChangeHandler() {
public void onChange(ChangeEvent event) {
setModified(true);
action.text = tb.getText();
}
});
} else {
tb.setEnabled(false);
}
return tb;
}
@Override
public boolean isDirty() {
return layout.hasDirty();
}
@Override
public boolean isReadOnly() {
return this.readOnly;
}
}