/*
* 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 com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style.Overflow;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.TooltipInfo;
import com.vaadin.client.Util;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.SimpleManagedLayout;
import com.vaadin.client.ui.VTabsheet;
import com.vaadin.client.ui.layout.MayScrollChildren;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.tabsheet.TabsheetClientRpc;
import com.vaadin.ui.TabSheet;
@Connect(TabSheet.class)
public class TabsheetConnector extends TabsheetBaseConnector implements
SimpleManagedLayout, MayScrollChildren {
public TabsheetConnector() {
registerRpc(TabsheetClientRpc.class, new TabsheetClientRpc() {
@Override
public void revertToSharedStateSelection() {
for (int i = 0; i < getState().tabs.size(); ++i) {
final String key = getState().tabs.get(i).key;
final boolean selected = key.equals(getState().selected);
if (selected) {
getWidget().waitingForResponse = false;
getWidget().selectTab(i);
break;
}
}
renderContent();
}
});
}
@Override
protected void init() {
super.init();
getWidget().setConnector(this);
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.client.ui.AbstractComponentConnector#onStateChanged(com.vaadin
* .client.communication.StateChangeEvent)
*/
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
getWidget().handleStyleNames(getState());
if (getState().tabsVisible) {
getWidget().showTabs();
} else {
getWidget().hideTabs();
}
// tabs; push or not
if (!isUndefinedWidth()) {
getWidget().tabs.getStyle().setOverflow(Overflow.HIDDEN);
} else {
getWidget().showAllTabs();
getWidget().tabs.getStyle().clearWidth();
getWidget().tabs.getStyle().setOverflow(Overflow.VISIBLE);
getWidget().updateDynamicWidth();
}
if (!isUndefinedHeight()) {
// Must update height after the styles have been set
getWidget().updateContentNodeHeight();
getWidget().updateOpenTabSize();
}
getWidget().iLayout();
}
@Override
public VTabsheet getWidget() {
return (VTabsheet) super.getWidget();
}
@Override
public void updateCaption(ComponentConnector component) {
/* Tabsheet does not render its children's captions */
}
@Override
public void layout() {
VTabsheet tabsheet = getWidget();
tabsheet.updateContentNodeHeight();
if (isUndefinedWidth()) {
tabsheet.contentNode.getStyle().setProperty("width", "");
} else {
int contentWidth = tabsheet.getOffsetWidth()
- tabsheet.getContentAreaBorderWidth();
if (contentWidth < 0) {
contentWidth = 0;
}
tabsheet.contentNode.getStyle().setProperty("width",
contentWidth + "px");
}
tabsheet.updateOpenTabSize();
if (isUndefinedWidth()) {
tabsheet.updateDynamicWidth();
}
tabsheet.iLayout();
}
@Override
public TooltipInfo getTooltipInfo(Element element) {
TooltipInfo info = null;
// Find a tooltip for the tab, if the element is a tab
if (element != getWidget().getElement()) {
Object node = Util.findWidget(element, VTabsheet.TabCaption.class);
if (node != null) {
VTabsheet.TabCaption caption = (VTabsheet.TabCaption) node;
info = caption.getTooltipInfo();
}
}
// If not tab tooltip was found, use the default
if (info == null) {
info = super.getTooltipInfo(element);
}
return info;
}
@Override
public boolean hasTooltip() {
/*
* Tab tooltips are not processed until updateFromUIDL, so we can't be
* sure that there are no tooltips during onStateChange when this method
* is used.
*/
return true;
}
@Override
public void onConnectorHierarchyChange(
ConnectorHierarchyChangeEvent connector) {
renderContent();
}
/**
* (Re-)render the content of the active tab.
*/
protected void renderContent() {
ComponentConnector contentConnector = null;
if (!getChildComponents().isEmpty()) {
contentConnector = getChildComponents().get(0);
}
if (null != contentConnector) {
getWidget().renderContent(contentConnector.getWidget());
} else {
getWidget().renderContent(null);
}
}
}