/*
* 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.popupview;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.event.shared.HandlerRegistration;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.VCaption;
import com.vaadin.client.VCaptionWrapper;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.AbstractHasComponentsConnector;
import com.vaadin.client.ui.PostLayoutListener;
import com.vaadin.client.ui.VOverlay;
import com.vaadin.client.ui.VPopupView;
import com.vaadin.shared.ui.ComponentStateUtil;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.popupview.PopupViewServerRpc;
import com.vaadin.shared.ui.popupview.PopupViewState;
import com.vaadin.ui.PopupView;
@Connect(PopupView.class)
public class PopupViewConnector extends AbstractHasComponentsConnector
implements PostLayoutListener, VisibilityChangeHandler {
private boolean centerAfterLayout = false;
private final List<HandlerRegistration> handlerRegistration = new ArrayList<HandlerRegistration>();
@Override
protected void init() {
super.init();
handlerRegistration.add(getWidget().addVisibilityChangeHandler(this));
}
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
getWidget().setHTML(getState().html);
getWidget().popup.setHideOnMouseOut(getState().hideOnMouseOut);
}
@Override
public PopupViewState getState() {
return (PopupViewState) super.getState();
}
@Override
public void updateCaption(ComponentConnector component) {
if (VCaption.isNeeded(component.getState())) {
if (getWidget().popup.captionWrapper != null) {
getWidget().popup.captionWrapper.updateCaption();
} else {
getWidget().popup.captionWrapper = new VCaptionWrapper(
component, getConnection());
getWidget().popup.setWidget(getWidget().popup.captionWrapper);
getWidget().popup.captionWrapper.updateCaption();
}
} else {
if (getWidget().popup.captionWrapper != null) {
getWidget().popup
.setWidget(getWidget().popup.popupComponentWidget);
}
}
}
@Override
public VPopupView getWidget() {
return (VPopupView) super.getWidget();
}
@Override
public void postLayout() {
if (centerAfterLayout) {
centerAfterLayout = false;
getWidget().center();
}
}
@Override
public void onConnectorHierarchyChange(
ConnectorHierarchyChangeEvent connectorHierarchyChangeEvent) {
// Render the popup if visible and show it.
if (!getChildComponents().isEmpty()) {
getWidget().preparePopup(getWidget().popup);
getWidget().popup.setPopupConnector(getChildComponents().get(0));
final StringBuffer styleBuf = new StringBuffer();
final String primaryName = getWidget().popup.getStylePrimaryName();
styleBuf.append(primaryName);
// Add "animate-in" class back if already present
boolean isAnimatingIn = getWidget().popup.getStyleName().contains(
VOverlay.ADDITIONAL_CLASSNAME_ANIMATE_IN);
if (isAnimatingIn) {
styleBuf.append(" ");
styleBuf.append(primaryName);
styleBuf.append("-");
styleBuf.append(VOverlay.ADDITIONAL_CLASSNAME_ANIMATE_IN);
}
if (ComponentStateUtil.hasStyles(getState())) {
for (String style : getState().styles) {
styleBuf.append(" ");
styleBuf.append(primaryName);
styleBuf.append("-");
styleBuf.append(style);
}
}
getWidget().popup.setStyleName(styleBuf.toString());
getWidget().showPopup(getWidget().popup);
centerAfterLayout = true;
} else {
// The popup shouldn't be visible, try to hide it.
getWidget().popup.hide();
}
}
@Override
public void onVisibilityChange(VisibilityChangeEvent event) {
getRpcProxy(PopupViewServerRpc.class).setPopupVisibility(
event.isVisible());
}
}