/*
* JBoss, Home of Professional Open Source
* Copyright 2013 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.as.console.client.administration.role;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import org.jboss.ballroom.client.widgets.forms.FormItem;
import org.jboss.ballroom.client.widgets.forms.InputElementWrapper;
/**
* @author Harald Pehl
*/
public class MultiselectListBoxItem extends FormItem<List<String>> {
private final ListBox listBox;
private final InputElementWrapper wrapper;
private final ChangeHandler valueChangeHandler;
public MultiselectListBoxItem(final String name, final String title) {
this(name, title, 5);
}
public MultiselectListBoxItem(final String name, final String title, final int visibleItemCount) {
super(name, title);
listBox = new ListBox(true);
listBox.setName(name);
listBox.setTitle(title);
listBox.setVisibleItemCount(visibleItemCount);
listBox.setTabIndex(0);
listBox.addStyleName("multiselect");
valueChangeHandler = new ChangeHandler() {
@Override
public void onChange(ChangeEvent event) {
setModified(true);
}
};
listBox.addChangeHandler(valueChangeHandler);
wrapper = new InputElementWrapper(listBox.asWidget(), this);
wrapper.getElement().setAttribute("style", "width:100%");
}
@Override
public void setFiltered(boolean filtered) {
super.setFiltered(filtered);
super.toggleAccessConstraint(listBox, filtered);
listBox.setEnabled(!filtered);
wrapper.setConstraintsApply(filtered);
}
@Override
public Widget asWidget() {
return wrapper;
}
@Override
public void setEnabled(boolean b) {
listBox.setEnabled(b);
}
@Override
public boolean validate(List<String> value) {
return !(isRequired && getValue().isEmpty());
}
@Override
public void setErroneous(boolean b) {
super.setErroneous(b);
wrapper.setErroneous(b);
}
@Override
public String getErrMessage() {
return super.getErrMessage() + ": Select an item";
}
@Override
public void clearValue() {
// We could implement this but not sure when it would be useful
}
@Override
public List<String> getValue() {
List<String> value = new ArrayList<String>();
for (int i = 0; i < listBox.getItemCount(); i++) {
if (listBox.isItemSelected(i)) {
value.add(listBox.getItemText(i));
}
}
return value;
}
@Override
public void setValue(final List<String> value) {
for (int i = 0; i < listBox.getItemCount(); i++) {
String itemText = listBox.getItemText(i);
listBox.setItemSelected(i, value.contains(itemText));
}
}
public void setChoices(List<String> values) {
listBox.clear();
for (String value : values) {
listBox.addItem(value, value);
}
}
}