/*
* 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.vkHorizontalSplitPanel;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HorizontalSplitPanel;
import com.google.gwt.user.client.ui.Widget;
import com.gwtstructs.gwt.client.widgets.jsBridge.Export;
import com.vk.gwt.designer.client.api.attributes.HasVkImageUrl;
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.VkStateHelper;
public class VkHorizontalSplitPanel extends Composite implements IVkPanel, HasVkWidgets, HasVkImageUrl{
public static final String NAME = "Horizontal Split Panel";
private HorizontalSplitPanel horizontalSplitPanel;
private IVkWidget vkParent;
//TODO if mousedown event of VkDesignerUtil is not being used then there is no need for this complex structure of widgets
public VkHorizontalSplitPanel()
{
/*SimplePanel spParent = new SimplePanel();
SimplePanel sp = new SimplePanel(){
@Override
public void onBrowserEvent(Event event) {
switch (DOM.eventGetType(event)) {
case Event.ONMOUSEDOWN:
if(event.getButton() == 0 || event.getButton() == 1)
event.stopPropagation();
break;
}
super.onBrowserEvent(event);
}
};
spParent.setWidget(sp);
sp.sinkEvents(Event.ONMOUSEDOWN);*/
horizontalSplitPanel = new HorizontalSplitPanel();
initWidget(horizontalSplitPanel);
//sp.add(horizontalSplitPanel);
}
@Override
public void add(Widget widget)
{
if(horizontalSplitPanel.getStartOfLineWidget() == null) {
horizontalSplitPanel.setStartOfLineWidget(widget);
if(VkStateHelper.getInstance().isDesignerMode())
Window.alert("Widget added as start line widget of Horizontal Split Panel");
if(widget instanceof IVkWidget)
((IVkWidget)widget).setVkParent(this);
} else if(horizontalSplitPanel.getEndOfLineWidget() == null) {
horizontalSplitPanel.setEndOfLineWidget(widget);
if(VkStateHelper.getInstance().isDesignerMode())
Window.alert("Widget added as end line widget of Horizontal Split Panel");
if(widget instanceof IVkWidget)
((IVkWidget)widget).setVkParent(this);
}
else
Window.alert("Horizontal Split Panel can add only two widgets");
}
@Override
public Iterator<Widget> iterator()
{
List<Widget> list = new ArrayList<Widget>();
if(horizontalSplitPanel.getStartOfLineWidget() != null)
list.add(horizontalSplitPanel.getStartOfLineWidget());
if(horizontalSplitPanel.getEndOfLineWidget() != null)
list.add(horizontalSplitPanel.getEndOfLineWidget());
/*if(list.size() == 0)
return super.iterator();//when widget is initialized, panel housekeeping needs the iterator of VerticalPanel
else*/
return list.iterator();//used by the serializer
}
@Override
public void setImageUrl(String url) {
DOM.setStyleAttribute((Element) horizontalSplitPanel.getElement().getFirstChildElement().getFirstChildElement().getNextSiblingElement()
.getElementsByTagName("IMG").getItem(0) , "backgroundImage", "url(\"" + url + "\")");
}
@Override
public String getImageUrl() {
return DOM.getStyleAttribute((Element) horizontalSplitPanel.getElement().getFirstChildElement().getFirstChildElement().getNextSiblingElement()
.getElementsByTagName("IMG").getItem(0), "backgroundImage").replace("url(\"","").replace("\")","");
}
@Override
public String getWidgetName() {
return NAME;
}
@Override
public void clone(Widget targetWidget) {
((VkHorizontalSplitPanel)targetWidget).horizontalSplitPanel.setSplitPosition(splitterPosition() + "px");
}
@Override
public boolean showMenu() {
return true;
}
@Override
public boolean isMovable() {
return true;
}
@Override
public boolean isResizable() {
return true;
}
/**************************Export attribute Methods********************************/
@Export
public int splitterPosition(){
return horizontalSplitPanel.getElement().getFirstChildElement().getFirstChildElement().getOffsetWidth();
}
@Export
public void setSplitPosition(String pos) {
horizontalSplitPanel.setSplitPosition(pos);
}
@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;
}
}