/*
* Copyright 2011 Gaurav Saxena < gsaxena81 AT gmail.com >
*
* 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.vk.gwt.designer.client.ui.panel.vkDisclosurePanel;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.Widget;
import com.gwtstructs.gwt.client.widgets.jsBridge.Export;
import com.vk.gwt.designer.client.api.attributes.HasVkAnimation;
import com.vk.gwt.designer.client.api.attributes.HasVkCloseHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkOpenHandler;
import com.vk.gwt.designer.client.api.component.IVkPanel;
import com.vk.gwt.designer.client.api.component.IVkWidget;
import com.vk.gwt.designer.client.api.widgets.HasVkWidgets;
import com.vk.gwt.designer.client.designer.VkDesignerUtil;
import com.vk.gwt.designer.client.designer.VkStateHelper;
import com.vk.gwt.designer.client.ui.panel.vkAbsolutePanel.VkAbsolutePanel;
import com.vk.gwt.designer.client.ui.widget.label.vkHtml.VkHTML;
import com.vk.gwt.designer.client.ui.widget.label.vkLabel.VkLabel;
public class VkDisclosurePanel extends Composite implements IVkPanel, HasVkWidgets, HasVkAnimation, HasVkCloseHandler, HasVkOpenHandler{
public static final String NAME = "Disclosure Panel";
private DisclosurePanel dp;
private HandlerRegistration closeHandlerRegistration;
private HandlerRegistration openHandlerRegistration;
private String closeJs = "";
private String openJs = "";
private IVkWidget vkParent;
private boolean isInitInProgress = false;
public VkDisclosurePanel(){
dp = new DisclosurePanel();
initWidget(dp);
isInitInProgress = true;
VkLabel header = (VkLabel) VkStateHelper.getInstance().getEngine().addWidget(VkLabel.NAME, this);
VkAbsolutePanel absolutePanel = (VkAbsolutePanel) VkStateHelper.getInstance().getEngine().addWidget(VkAbsolutePanel.NAME, this);
isInitInProgress = false;
header.setText("Header");
VkHTML contentLabel = (VkHTML) VkStateHelper.getInstance().getEngine().addWidget(VkHTML.NAME, absolutePanel);
contentLabel.setHTML("Content");
contentLabel.setHeight("40px");
}
public void add(Widget w) {
if(dp.getHeader() == null) {
dp.setHeader(w);
int width = VkDesignerUtil.getPixelValue(dp.getElement(), "width") ;
if(width == 0)
w.setWidth("100px");
else
w.setWidth(width + "px");
if(VkStateHelper.getInstance().isDesignerMode() && !isInitInProgress)
Window.alert("Widget added as header of Disclosure Panel");
if(w instanceof IVkWidget)
((IVkWidget)w).setVkParent(this);
} else if(dp.getContent() == null) {
dp.add(w);
int width = VkDesignerUtil.getPixelValue(dp.getElement(), "width") ;
if(width != 0)
w.setWidth("100px");
else
w.setWidth(width + "px");
DOM.setStyleAttribute(w.getElement(), "padding", "0px");
DOM.setStyleAttribute(w.getElement(), "margin", "0px");
if(VkStateHelper.getInstance().isDesignerMode() && !isInitInProgress)
Window.alert("Widget added as content of Disclosure Panel");
if(w instanceof IVkWidget)
((IVkWidget)w).setVkParent(this);
} else
Window.alert("Disclosure Panel can add only two widgets");
}
@Override
public Iterator<Widget> iterator()
{
List<Widget> list = new ArrayList<Widget>();
if(dp.getHeader() != null)
list.add(dp.getHeader());
if(dp.getContent() != null)
list.add(dp.getContent());
return list.iterator();
}
@Override
public void addCloseHandler(String js) {
if(closeHandlerRegistration != null)
closeHandlerRegistration.removeHandler();
closeHandlerRegistration = null;
closeJs = js.trim();
if(!closeJs.isEmpty())
{
closeHandlerRegistration = dp.addCloseHandler(new CloseHandler<DisclosurePanel>() {
@Override
public void onClose(CloseEvent<DisclosurePanel> event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(closeJs, (Map<String, String>)null);
}
});
}
}
@Override
public void addOpenHandler(String js) {
if(openHandlerRegistration != null)
openHandlerRegistration.removeHandler();
openHandlerRegistration = null;
openJs = js.trim();
if(!openJs.isEmpty())
{
openHandlerRegistration = dp.addOpenHandler(new OpenHandler<DisclosurePanel>() {
@Override
public void onOpen(OpenEvent<DisclosurePanel> event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(openJs, (Map<String, String>)null);
}
});
}
}
@Override
public String getPriorJs(String eventName) {
if(eventName.equals(HasVkCloseHandler.NAME))
return closeJs;
else if(eventName.equals(HasVkOpenHandler.NAME))
return openJs;
else
return "";
}
public void setAnimationEnabled(boolean enabled)
{
dp.setAnimationEnabled(enabled);
}
public boolean isAnimationEnabled()
{
return dp.isAnimationEnabled();
}
@Override
public String getWidgetName() {
return NAME;
}
@Override
public void clone(Widget targetWidget) {
((VkDisclosurePanel)targetWidget).setOpen(isOpen());
}
@Override
public boolean showMenu() {
return true;
}
@Override
public void setWidth(String width){
if(dp.getHeader() != null)
dp.getHeader().setWidth(width);
if(dp.getContent() != null)
dp.getContent().setWidth(width);
}
@Override
public boolean isMovable() {
return true;
}
@Override
public boolean isResizable() {
return true;
}
/**************************Export attribute Methods********************************/
@Export
public String getHeaderText()
{
return dp.getHeaderTextAccessor().getText();
}
@Export
public void setOpen(boolean open)
{
dp.setOpen(open);
}
@Export
public boolean isOpen()
{
return dp.isOpen();
}
@Override
@Export
public void setVisible(boolean isVisible)
{
super.setVisible(isVisible);
}
@Override
@Export
public boolean isVisible()
{
return super.isVisible();
}
@Override
@Export
public void addStyleName(String className)
{
super.addStyleName(className);
}
@Override
@Export
public void removeStyleName(String className)
{
super.removeStyleName(className);
}
@Override
public List<Widget> getToolbarWidgets() {
return null;
}
@Override
public IVkWidget getVkParent() {
return vkParent;
}
@Override
public void setVkParent(IVkWidget panel) {
this.vkParent = panel;
}
}