/*
* 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.widget.vkImage;
import java.util.List;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.DoubleClickEvent;
import com.google.gwt.event.dom.client.DoubleClickHandler;
import com.google.gwt.event.dom.client.ErrorEvent;
import com.google.gwt.event.dom.client.ErrorHandler;
import com.google.gwt.event.dom.client.LoadEvent;
import com.google.gwt.event.dom.client.LoadHandler;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
import com.google.gwt.event.dom.client.MouseMoveEvent;
import com.google.gwt.event.dom.client.MouseMoveHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;
import com.google.gwt.event.dom.client.MouseWheelEvent;
import com.google.gwt.event.dom.client.MouseWheelHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Widget;
import com.gwtstructs.gwt.client.widgets.jsBridge.Export;
import com.vk.gwt.designer.client.api.attributes.HasVkAllMouseHandlers;
import com.vk.gwt.designer.client.api.attributes.HasVkAlternateText;
import com.vk.gwt.designer.client.api.attributes.HasVkClickHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkDoubleClickHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkErrorHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkLoadHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseDownHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseMoveHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseOutHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseOverHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseUpHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkMouseWheelHandler;
import com.vk.gwt.designer.client.api.attributes.HasVkUrl;
import com.vk.gwt.designer.client.api.component.IVkWidget;
import com.vk.gwt.designer.client.designer.VkStateHelper;
public class VkImage extends Image implements IVkWidget, HasVkAllMouseHandlers, HasVkLoadHandler, HasVkErrorHandler, HasVkAlternateText, HasVkUrl{
public static final String NAME = "Image";
private HandlerRegistration clickHandlerRegistration;
private HandlerRegistration doubleClickHandlerRegistration;
private HandlerRegistration mouseDownHandlerRegistration;
private HandlerRegistration mouseUpHandlerRegistration;
private HandlerRegistration mouseMoveHandlerRegistration;
private HandlerRegistration mouseOutHandlerRegistration;
private HandlerRegistration mouseOverHandlerRegistration;
private HandlerRegistration mouseWheelHandlerRegistration;
private HandlerRegistration loadHandlerRegistration;
private HandlerRegistration errorHandlerRegistration;
private String mouseDownJs = "";
private String mouseUpJs = "";
private String mouseMoveJs = "";
private String mouseOutJs = "";
private String mouseOverJs = "";
private String mouseWheelJs = "";
private String clickJs = "";
private String doubleClickJs = "";
private String loadJs = "";
private String errorJs = "";
private IVkWidget vkParent;
@Override
public void addClickHandler(final String js) {
if(clickHandlerRegistration != null)
clickHandlerRegistration.removeHandler();
clickHandlerRegistration = null;
clickJs = js.trim();
if(!clickJs.isEmpty())
{
clickHandlerRegistration = addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(clickJs, event, true);
}
});
}
}
@Override
public void addDoubleClickHandler(final String js) {
if(doubleClickHandlerRegistration != null)
doubleClickHandlerRegistration.removeHandler();
doubleClickHandlerRegistration = null;
doubleClickJs = js.trim();
if(!doubleClickJs.isEmpty())
{
doubleClickHandlerRegistration = addDoubleClickHandler(new DoubleClickHandler() {
@Override
public void onDoubleClick(DoubleClickEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(doubleClickJs, event, true);
}
});
}
}
@Override
public void addMouseDownHandler(String js) {
if(mouseDownHandlerRegistration != null)
mouseDownHandlerRegistration.removeHandler();
mouseDownHandlerRegistration = null;
mouseDownJs = js.trim();
if(!mouseDownJs.isEmpty())
{
mouseDownHandlerRegistration = addMouseDownHandler(new MouseDownHandler() {
@Override
public void onMouseDown(MouseDownEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseDownJs, event, true);
}
});
}
}
@Override
public void addMouseUpHandler(String js) {
if(mouseUpHandlerRegistration != null)
mouseUpHandlerRegistration.removeHandler();
mouseUpHandlerRegistration = null;
mouseUpJs = js.trim();
if(!mouseUpJs.isEmpty())
{
mouseUpHandlerRegistration = addMouseUpHandler(new MouseUpHandler() {
@Override
public void onMouseUp(MouseUpEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseUpJs, event, true);
}
});
}
}
@Override
public void addMouseMoveHandler(String js) {
if(mouseMoveHandlerRegistration != null)
mouseMoveHandlerRegistration.removeHandler();
mouseMoveHandlerRegistration = null;
mouseMoveJs = js.trim();
if(!mouseMoveJs.isEmpty())
{
mouseMoveHandlerRegistration = addMouseMoveHandler(new MouseMoveHandler() {
@Override
public void onMouseMove(MouseMoveEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseMoveJs, event, true);
}
});
}
}
@Override
public void addMouseOverHandler(String js) {
if(mouseOverHandlerRegistration != null)
mouseOverHandlerRegistration.removeHandler();
mouseOverHandlerRegistration = null;
mouseOverJs = js.trim();
if(!mouseOverJs.isEmpty())
{
mouseOverHandlerRegistration = addMouseOverHandler(new MouseOverHandler() {
@Override
public void onMouseOver(MouseOverEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseOverJs, event, true);
}
});
}
}
@Override
public void addMouseOutHandler(String js) {
if(mouseOutHandlerRegistration != null)
mouseOutHandlerRegistration.removeHandler();
mouseOutHandlerRegistration = null;
mouseOutJs = js;
if(!mouseOutJs.isEmpty())
{
mouseOutHandlerRegistration = addMouseOutHandler(new MouseOutHandler() {
@Override
public void onMouseOut(MouseOutEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseOutJs, event, true);
}
});
}
}
@Override
public void addMouseWheelHandler(String js) {
if(mouseWheelHandlerRegistration != null)
mouseWheelHandlerRegistration.removeHandler();
mouseWheelHandlerRegistration = null;
mouseWheelJs = js.trim();
if(!mouseWheelJs.isEmpty())
{
mouseWheelHandlerRegistration = addMouseWheelHandler(new MouseWheelHandler() {
@Override
public void onMouseWheel(MouseWheelEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseWheelJs, event, true);
}
});
}
}
@Override
public void addLoadHandler(String js) {
if(loadHandlerRegistration != null)
loadHandlerRegistration.removeHandler();
loadHandlerRegistration = null;
loadJs = js.trim();
if(!loadJs.isEmpty())
{
loadHandlerRegistration = addLoadHandler(new LoadHandler() {
@Override
public void onLoad(LoadEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(loadJs, event, true);
}
});
}
}
@Override
public void addErrorHandler(String js) {
if(errorHandlerRegistration != null)
errorHandlerRegistration.removeHandler();
errorHandlerRegistration = null;
errorJs = js.trim();
if(!errorJs.isEmpty())
{
errorHandlerRegistration = addErrorHandler(new ErrorHandler() {
@Override
public void onError(ErrorEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(errorJs, event, true);
}
});
}
}
@Override
public String getPriorJs(String eventName) {
if(eventName.equals(HasVkClickHandler.NAME))
return clickJs;
else if(eventName.equals(HasVkDoubleClickHandler.NAME))
return doubleClickJs;
else if(eventName.equals(HasVkMouseDownHandler.NAME))
return mouseDownJs;
else if(eventName.equals(HasVkMouseUpHandler.NAME))
return mouseUpJs;
else if(eventName.equals(HasVkMouseOverHandler.NAME))
return mouseOverJs;
else if(eventName.equals(HasVkMouseOutHandler.NAME))
return mouseOutJs;
else if(eventName.equals(HasVkMouseWheelHandler.NAME))
return mouseWheelJs;
else if(eventName.equals(HasVkMouseMoveHandler.NAME))
return mouseMoveJs;
else if(eventName.equals(HasVkLoadHandler.NAME))
return loadJs;
else if(eventName.equals(HasVkErrorHandler.NAME))
return errorJs;
else return "";
}
public void setAlt(String text) {
DOM.setElementAttribute(getElement(), "alt", text);
}
public String getAlt() {
return DOM.getElementAttribute(getElement(), "alt");
}
@Override
public String getWidgetName() {
return NAME;
}
@Override
public void clone(Widget targetWidget) {}
@Override
public boolean showMenu() {
return true;
}
@Override
public boolean isMovable() {
return true;
}
@Override
public boolean isResizable() {
return true;
}
/**************************Export attribute Methods********************************/
@Override
@Export
public void setUrl(String url)
{
super.setUrl(url);
}
@Override
@Export
public String getUrl()
{
return super.getUrl();
}
@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() {
// TODO Auto-generated method stub
return null;
}
@Override
public IVkWidget getVkParent() {
return vkParent;
}
@Override
public void setVkParent(IVkWidget panel) {
this.vkParent = panel;
}
}