/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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 com.vaadin.client.ui.tabsheet;
import java.util.ArrayList;
import java.util.Iterator;
import com.google.gwt.user.client.ui.Widget;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.AbstractComponentContainerConnector;
import com.vaadin.client.ui.VTabsheetBase;
import com.vaadin.shared.ui.tabsheet.TabState;
import com.vaadin.shared.ui.tabsheet.TabsheetState;
public abstract class TabsheetBaseConnector extends
AbstractComponentContainerConnector {
/*
* (non-Javadoc)
*
* @see com.vaadin.client.ui.AbstractConnector#init()
*/
@Override
protected void init() {
super.init();
getWidget().setClient(getConnection());
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.client.ui.AbstractComponentConnector#onStateChanged(com.vaadin
* .client.communication.StateChangeEvent)
*/
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
// Update member references
getWidget().setEnabled(isEnabled());
// Widgets in the TabSheet before update
ArrayList<Widget> oldWidgets = new ArrayList<Widget>();
for (Iterator<Widget> iterator = getWidget().getWidgetIterator(); iterator
.hasNext();) {
oldWidgets.add(iterator.next());
}
// Clear previous values
getWidget().clearTabKeys();
int index = 0;
for (TabState tab : getState().tabs) {
final String key = tab.key;
final boolean selected = key.equals(getState().selected);
getWidget().addTabKey(key, !tab.enabled && tab.visible);
if (selected) {
getWidget().setActiveTabIndex(index);
}
getWidget().renderTab(tab, index);
if (selected) {
getWidget().selectTab(index);
}
index++;
}
int tabCount = getWidget().getTabCount();
while (tabCount-- > index) {
getWidget().removeTab(index);
}
for (int i = 0; i < getWidget().getTabCount(); i++) {
ComponentConnector p = getWidget().getTab(i);
// null for PlaceHolder widgets
if (p != null) {
oldWidgets.remove(p.getWidget());
}
}
// Detach any old tab widget, should be max 1
for (Iterator<Widget> iterator = oldWidgets.iterator(); iterator
.hasNext();) {
Widget oldWidget = iterator.next();
if (oldWidget.isAttached()) {
oldWidget.removeFromParent();
}
}
}
@Override
public VTabsheetBase getWidget() {
return (VTabsheetBase) super.getWidget();
}
@Override
public TabsheetState getState() {
return (TabsheetState) super.getState();
}
}