/*
* 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.TextBox;
import com.google.gwt.user.client.ui.Widget;
/**
* @author Heiko Braun
* @date 2/21/11
*/
public class TextBoxItem extends FormItem<String> {
protected TextBox textBox;
private InputElementWrapper wrapper;
private boolean allowWhiteSpace;
public TextBoxItem(String name, String title) {
super(name, title);
textBox = new TextBox();
textBox.setName(name);
textBox.setTitle(title);
textBox.setTabIndex(0);
textBox.addValueChangeHandler(new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
setModified(true);
setUndefined(event.getValue().equals(""));
setExpressionValue(null);
}
});
wrapper = new InputElementWrapper(textBox, this);
}
public TextBoxItem(String name, String title, boolean isRequired) {
super(name, title);
setRequired(isRequired);
textBox = new TextBox();
textBox.setName(name);
textBox.setTitle(title);
textBox.setTabIndex(0);
textBox.addValueChangeHandler(new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
setModified(true);
setUndefined(event.getValue().equals(""));
}
});
wrapper = new InputElementWrapper(textBox, this);
}
public void setAllowWhiteSpace(boolean allowWhiteSpace) {
this.allowWhiteSpace = allowWhiteSpace;
}
@Override
public void setFiltered(boolean filtered) {
super.setFiltered(filtered);
super.toggleAccessConstraint(textBox, filtered);
textBox.setEnabled(!filtered);
wrapper.setConstraintsApply(filtered);
}
@Override
public Element getInputElement() {
return textBox.getElement();
}
@Override
public Widget asWidget() {
return wrapper;
}
@Override
public String getValue() {
return textBox.getValue();
}
@Override
public void resetMetaData() {
super.resetMetaData();
textBox.setValue(null);
}
@Override
public void setExpressionValue(String expr) {
this.expressionValue = expr;
if(expressionValue!=null)
{
toggleExpressionInput(textBox, true);
textBox.setValue(expressionValue);
}
}
@Override
public String asExpressionValue() {
return textBox.getValue();
}
@Override
public void setValue(String value) {
toggleExpressionInput(textBox, false);
textBox.setValue(value.trim());
}
@Override
public void setEnabled(boolean b) {
textBox.setEnabled(b);
}
@Override
public void setErroneous(boolean b) {
super.setErroneous(b);
wrapper.setErroneous(b);
}
@Override
public String getErrMessage() {
return super.getErrMessage()+": no whitespace, no special chars";
}
@Override
public void setErrMessage(final String errMessage) {
super.setErrMessage(errMessage);
wrapper.setErrMessage(errMessage);
}
@Override
public boolean validate(String value) {
if(expressionValue!=null || isExpressionScheme(textBox.getValue()))
{
return true;
}
else if(isRequired() && value.equals(""))
{
return false;
}
else
{
// whitespace
if(!allowWhiteSpace) {
String updated = value.replace(" ", ""); // contains white space?
boolean containsWhiteSpace = !updated.equals(value);
if (containsWhiteSpace)
return false;
}
return true;
}
}
@Override
public void clearValue() {
textBox.setText("");
}
@Override
protected void toggleExpressionInput(Widget target, boolean flag) {
wrapper.setExpression(flag);
}
}