/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.ballroom.client.widgets.forms;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.Widget;
/**
* @author Heiko Braun
* @author David Bosschaert
*/
public class TextAreaItem extends FormItem<String> {
protected TextArea textArea;
private InputElementWrapper wrapper;
ValueChangeHandler<String> valueChangeHandler;
private boolean allowWhiteSpace;
public TextAreaItem(String name, String title) {
super(name, title);
setup();
}
public TextAreaItem(String name, String title, boolean required) {
super(name, title);
setup();
setRequired(required);
}
private void setup() {
textArea = new TextArea();
textArea.setName(name);
textArea.setTitle(title);
textArea.setTabIndex(0);
valueChangeHandler = new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
setModified(true);
setUndefined(event.getValue().equals(""));
}
};
textArea.addValueChangeHandler(valueChangeHandler);
textArea.setVisibleLines(3);
wrapper = new InputElementWrapper(textArea, this);
}
@Override
public void setFiltered(boolean filtered) {
super.setFiltered(filtered);
super.toggleAccessConstraint(textArea, filtered);
textArea.setEnabled(!filtered);
wrapper.setConstraintsApply(filtered);
}
@Override
public Element getInputElement() {
return textArea.getElement();
}
public void setVisibleLines(int lines) {
textArea.setVisibleLines(lines);
}
@Override
public Widget asWidget() {
return wrapper;
}
@Override
public String getValue() {
return textArea.getValue().replace("\n", "\\n").replace("\"", "\\\"");
}
@Override
public String asString() {
return textArea.getValue();
}
@Override
public void resetMetaData() {
super.resetMetaData();
textArea.setValue(null);
}
@Override
public void setExpressionValue(String expr) {
this.expressionValue = expr;
if(expressionValue!=null)
{
toggleExpressionInput(textArea, true);
textArea.setValue(expressionValue);
}
}
@Override
public String asExpressionValue() {
return textArea.getValue();
}
@Override
public void setValue(String value) {
toggleExpressionInput(textArea, false);
textArea.setValue(value);
}
@Override
public void setEnabled(boolean b) {
textArea.setEnabled(b);
}
@Override
public void setErroneous(boolean b) {
super.setErroneous(b);
wrapper.setErroneous(b);
}
@Override
public boolean validate(String value) {
return !(isRequired() && value.trim().equals(""));
}
@Override
public void clearValue() {
textArea.setText("");
}
@Override
protected void toggleExpressionInput(Widget target, boolean flag) {
wrapper.setExpression(flag);
}
}