/*
* 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.accordion;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.Util;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.SimpleManagedLayout;
import com.vaadin.client.ui.VAccordion;
import com.vaadin.client.ui.VAccordion.StackItem;
import com.vaadin.client.ui.layout.MayScrollChildren;
import com.vaadin.client.ui.tabsheet.TabsheetBaseConnector;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.accordion.AccordionState;
import com.vaadin.ui.Accordion;
@Connect(Accordion.class)
public class AccordionConnector extends TabsheetBaseConnector implements
SimpleManagedLayout, MayScrollChildren {
@Override
protected void init() {
super.init();
getWidget().setConnector(this);
}
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
/*
* Render content after all tabs have been created and we know how large
* the content area is
*/
if (getWidget().selectedItemIndex >= 0) {
StackItem selectedItem = getWidget().getStackItem(
getWidget().selectedItemIndex);
getWidget().open(getWidget().selectedItemIndex);
ComponentConnector contentConnector = getChildComponents().get(0);
if (contentConnector != null) {
selectedItem.setContent(contentConnector.getWidget());
}
} else if (getWidget().getOpenStackItem() != null) {
getWidget().close(getWidget().getOpenStackItem());
}
getLayoutManager().setNeedsVerticalLayout(this);
}
@Override
public VAccordion getWidget() {
return (VAccordion) super.getWidget();
}
@Override
public void updateCaption(ComponentConnector component) {
/* Accordion does not render its children's captions */
}
@Override
public void layout() {
StackItem openTab = getWidget().getOpenStackItem();
if (openTab == null) {
return;
}
// WIDTH
if (!isUndefinedWidth()) {
openTab.setWidth("100%");
} else {
int maxWidth = 40;
for (StackItem si : getWidget().getStackItems()) {
int captionWidth = si.getCaptionWidth();
if (captionWidth > maxWidth) {
maxWidth = captionWidth;
}
}
int widgetWidth = openTab.getWidgetWidth();
if (widgetWidth > maxWidth) {
maxWidth = widgetWidth;
}
openTab.setWidth(maxWidth);
}
// HEIGHT
if (!isUndefinedHeight()) {
int usedPixels = 0;
for (StackItem item : getWidget().getStackItems()) {
if (item == openTab) {
usedPixels += item.getCaptionHeight();
} else {
// This includes the captionNode borders
usedPixels += Util.getRequiredHeight(item.getElement());
}
}
int rootElementInnerHeight = getLayoutManager().getInnerHeight(
getWidget().getElement());
int spaceForOpenItem = rootElementInnerHeight - usedPixels;
if (spaceForOpenItem < 0) {
spaceForOpenItem = 0;
}
openTab.setHeight(spaceForOpenItem);
} else {
openTab.setHeightFromWidget();
}
}
/*
* (non-Javadoc)
*
* @see com.vaadin.client.ConnectorHierarchyChangeEvent.
* ConnectorHierarchyChangeHandler
* #onConnectorHierarchyChange(com.vaadin.client
* .ConnectorHierarchyChangeEvent)
*/
@Override
public void onConnectorHierarchyChange(
ConnectorHierarchyChangeEvent connectorHierarchyChangeEvent) {
}
@Override
public AccordionState getState() {
return (AccordionState) super.getState();
}
}