/*
* 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.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;
import java.util.ArrayList;
import java.util.List;
/**
* @author Heiko Braun
* @date 5/12/11
*/
public class ListItem extends FormItem<List<String>> {
private TextArea textArea;
private List<String> value = new ArrayList<String>();
private boolean displayOnly;
private InputElementWrapper wrapper;
public ListItem(String name, String title) {
this(name, title, false);
}
/**
* Create a new ListItem.
*
* @param name The item name.
* @param title The displayed title for the item.
* @param displayOnly If true, never allow editing.
*/
public ListItem(String name, String title, boolean displayOnly) {
super(name, title);
this.textArea = new TextArea();
this.textArea.setTabIndex(0);
this.textArea.addValueChangeHandler(new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
setModified(true);
}
});
this.displayOnly = displayOnly;
wrapper = new InputElementWrapper(textArea, this);
}
@Override
public Widget asWidget() {
return wrapper;
}
@Override
public void setEnabled(boolean b) {
this.textArea.setEnabled(b && !displayOnly);
}
@Override
public boolean validate(List value) {
return true;
}
@Override
public List<String> getValue() {
String[] split = textArea.getText().split("\n");
value.clear();
for(String s : split)
if(!s.equals("")) value.add(s);
// prevent references
return new ArrayList(value);
}
@Override
public void setValue(List<String> list) {
this.value.clear();
this.value.addAll(list);
this.textArea.setText("");
if (list.size() > 0) {
this.textArea.setVisibleLines(list.size());
}
for(Object item : list)
{
textArea.setText(textArea.getText()+item.toString()+"\n");
}
}
@Override
public void clearValue() {
this.textArea.setText("");
}
@Override
public void setErroneous(final boolean b)
{
super.setErroneous(b);
wrapper.setErroneous(b);
}
@Override
protected void toggleExpressionInput(final Widget target, final boolean flag)
{
wrapper.setExpression(flag);
}
}