/*
* Copyright 2011 cruxframework.org.
*
* 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 org.cruxframework.crux.gwt.rebind;
import org.cruxframework.crux.core.client.utils.EscapeUtils;
import org.cruxframework.crux.core.rebind.AbstractProxyCreator.SourcePrinter;
import org.cruxframework.crux.core.rebind.screen.widget.AttributeProcessor;
import org.cruxframework.crux.core.rebind.screen.widget.ViewFactoryCreator;
import org.cruxframework.crux.core.rebind.screen.widget.WidgetCreator;
import org.cruxframework.crux.core.rebind.screen.widget.WidgetCreatorContext;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasAllMouseHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasAllTouchHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasClickHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasDoubleClickHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.event.LoadErrorEvtBind;
import org.cruxframework.crux.core.rebind.screen.widget.creator.event.LoadEvtBind;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.DeclarativeFactory;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagAttribute;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagAttributes;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagEvent;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagEvents;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.Image;
/**
* A Factory for Image widgets
* @author Thiago da Rosa de Bustamante
*/
@DeclarativeFactory(id="image", library="gwt", targetWidget=Image.class)
@TagAttributes({
@TagAttribute(value="url", processor=ImageFactory.URLAttributeParser.class, supportsResources=true),
@TagAttribute(value="altText"),
@TagAttribute(value="visibleRect", processor=ImageFactory.VisibleRectAttributeParser.class)
})
@TagEvents({
@TagEvent(LoadEvtBind.class),
@TagEvent(LoadErrorEvtBind.class)
})
public class ImageFactory extends WidgetCreator<WidgetCreatorContext>
implements HasClickHandlersFactory<WidgetCreatorContext>,
HasAllMouseHandlersFactory<WidgetCreatorContext>,
HasDoubleClickHandlersFactory<WidgetCreatorContext>,
HasAllTouchHandlersFactory<WidgetCreatorContext>
{
public static class URLAttributeParser extends AttributeProcessor<WidgetCreatorContext>
{
public URLAttributeParser(WidgetCreator<?> widgetCreator)
{
super(widgetCreator);
}
@Override
public void processAttribute(SourcePrinter out, WidgetCreatorContext context, String attributeValue)
{
String property = context.readWidgetProperty("url");
if (getWidgetCreator().isResourceReference(property))
{
String resource = ViewFactoryCreator.createVariableName("resource");
out.println(ImageResource.class.getCanonicalName()+" "+resource+" = "+getWidgetCreator().getResourceAccessExpression(property)+";");
out.println(context.getWidget()+".setUrlAndVisibleRect(Screen.rewriteUrl("+resource+".getSafeUri().asString()), "+resource+".getLeft(), "+resource+".getTop(), "+resource+".getWidth(), "+resource+".getHeight());");
}
else
{
out.println(context.getWidget()+".setUrl(Screen.rewriteUrl("+EscapeUtils.quote(property)+"));");
}
}
}
/**
* @author Thiago da Rosa de Bustamante
*
*/
public static class VisibleRectAttributeParser extends AttributeProcessor<WidgetCreatorContext>
{
public VisibleRectAttributeParser(WidgetCreator<?> widgetCreator)
{
super(widgetCreator);
}
@Override
public void processAttribute(SourcePrinter out, WidgetCreatorContext context, String attributeValue)
{
String widget = context.getWidget();
String[] coord = attributeValue.split(",");
if (coord != null && coord.length == 4)
{
out.println(widget+".setVisibleRect("+Integer.parseInt(coord[0].trim())+", "+Integer.parseInt(coord[1].trim())+","+
Integer.parseInt(coord[2].trim())+", "+Integer.parseInt(coord[3].trim())+");");
}
}
}
@Override
public WidgetCreatorContext instantiateContext()
{
return new WidgetCreatorContext();
}
}