/*
* 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.StringUtils;
import org.cruxframework.crux.core.rebind.AbstractProxyCreator.SourcePrinter;
import org.cruxframework.crux.core.rebind.CruxGeneratorException;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasHorizontalAlignmentFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasVerticalAlignmentFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.children.WidgetChildProcessor.AnyWidget;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.DeclarativeFactory;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagAttributeDeclaration;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagAttributesDeclaration;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagChild;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagChildren;
import org.cruxframework.crux.core.rebind.screen.widget.declarative.TagConstraints;
import org.cruxframework.crux.gwt.rebind.DockPanelContext.DockDirection;
import org.json.JSONObject;
import com.google.gwt.user.client.ui.DockPanel;
class DockPanelContext extends CellPanelContext
{
public static enum DockDirection{center, lineStart, lineEnd, east, north, south, west}
public DockDirection direction;
}
/**
* @author Thiago da Rosa de Bustamante
*
*/
@DeclarativeFactory(id="dockPanel", library="gwt", targetWidget=DockPanel.class)
@TagChildren({
@TagChild(DockPanelFactory.DockPanelProcessor.class)
})
public class DockPanelFactory extends CellPanelFactory<DockPanelContext>
implements HasHorizontalAlignmentFactory<DockPanelContext>,
HasVerticalAlignmentFactory<DockPanelContext>
{
@TagConstraints(minOccurs="0", maxOccurs="unbounded")
@TagChildren({
@TagChild(DockCellProcessor.class),
@TagChild(DockWidgetProcessor.class)
})
public static class DockPanelProcessor extends AbstractCellPanelProcessor<DockPanelContext>
{
@Override
public void processChildren(SourcePrinter out, DockPanelContext context) throws CruxGeneratorException
{
super.processChildren(out, context);
context.direction = DockDirection.center;
}
}
@TagConstraints(tagName="cell", minOccurs="0", maxOccurs="unbounded")
@TagAttributesDeclaration({
@TagAttributeDeclaration(value="direction", type=DockDirection.class, defaultValue="center")
})
@TagChildren({
@TagChild(value=DockWidgetProcessor.class)
})
public static class DockCellProcessor extends AbstractCellProcessor<DockPanelContext>
{
@Override
public void processChildren(SourcePrinter out, DockPanelContext context) throws CruxGeneratorException
{
super.processChildren(out, context);
String directionProp = context.readChildProperty("direction");
if (!StringUtils.isEmpty(directionProp))
{
try
{
context.direction = DockDirection.valueOf(directionProp);
}
catch (Exception e)
{
String childId = context.readChildProperty("id");
throw new CruxGeneratorException("Error adding widget ["+childId+"] on parent Dockpanel ["+context.getWidgetId()+"]. Invalid direction.");
}
}
else
{
context.direction = DockDirection.center;
}
}
}
@TagConstraints(type=AnyWidget.class)
public static class DockWidgetProcessor extends AbstractCellWidgetProcessor<DockPanelContext>
{
@Override
public void processChildren(SourcePrinter out, DockPanelContext context) throws CruxGeneratorException
{
JSONObject childElement = context.getChildElement();
String child = getWidgetCreator().createChildWidget(out, childElement, context);
String parent = context.getWidget();
boolean childPartialSupport = getWidgetCreator().hasChildPartialSupport(context.getChildElement());
if (childPartialSupport)
{
out.println("if ("+getWidgetCreator().getChildWidgetClassName(context.getChildElement())+".isSupported()){");
}
switch (context.direction) {
case center: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".CENTER);");
break;
case lineStart: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".LINE_START);");
break;
case lineEnd: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".LINE_END);");
break;
case east: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".EAST);");
break;
case north: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".NORTH);");
break;
case south: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".SOUTH);");
break;
case west: out.println(parent+".add("+child+", "+DockPanel.class.getCanonicalName()+".WEST);");
break;
default:
break;
}
context.direction = DockDirection.center;
context.child = child;
super.processChildren(out, context);
context.child = null;
if (childPartialSupport)
{
out.println("}");
}
}
}
@Override
public DockPanelContext instantiateContext()
{
return new DockPanelContext();
}
}