/*
* 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.WidgetCreator;
import org.cruxframework.crux.core.rebind.screen.widget.WidgetCreatorContext;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasBeforeSelectionHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.HasSelectionHandlersFactory;
import org.cruxframework.crux.core.rebind.screen.widget.creator.children.ChoiceChildProcessor;
import org.cruxframework.crux.core.rebind.screen.widget.creator.children.WidgetChildProcessor;
import org.cruxframework.crux.core.rebind.screen.widget.creator.children.WidgetChildProcessor.AnyWidget;
import org.cruxframework.crux.core.rebind.screen.widget.creator.children.WidgetChildProcessor.HTMLTag;
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 com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.ui.StackLayoutPanel;
class StackLayoutContext extends WidgetCreatorContext
{
boolean selected = false;
double headerSize;
String headerWidget;
String title;
boolean isHtmlTitle;
public boolean headerWidgetPartialSupport;
public String headerWidgetClassType;
public void clearAttributes()
{
title = null;
isHtmlTitle = false;
selected = false;
headerSize = 0;
headerWidget = null;
}
}
/**
* @author Thiago da Rosa de Bustamante
*
*/
@DeclarativeFactory(id="stackLayoutPanel", library="gwt", targetWidget=StackLayoutPanel.class)
@TagAttributesDeclaration({
@TagAttributeDeclaration(value="unit", type=Unit.class, defaultValue="PX")
})
@TagChildren({
@TagChild(StackLayoutPanelFactory.StackItemProcessor.class)
})
public class StackLayoutPanelFactory extends WidgetCreator<StackLayoutContext>
implements HasBeforeSelectionHandlersFactory<StackLayoutContext>,
HasSelectionHandlersFactory<StackLayoutContext>
{
@Override
public void instantiateWidget(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
String className = getWidgetClassName();
Unit unit = AbstractLayoutPanelFactory.getUnit(context.readWidgetProperty("unit"));
out.println(className + " " + context.getWidget()+" = new "+className+"("+Unit.class.getCanonicalName()+"."+unit.toString()+");");
}
@TagConstraints(tagName="item", maxOccurs="unbounded")
@TagChildren({
@TagChild(StackHeaderProcessor.class),
@TagChild(StackContentProcessor.class)
})
@TagAttributesDeclaration({
@TagAttributeDeclaration(value="selected", type=Boolean.class, defaultValue="false")
})
public static class StackItemProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
context.clearAttributes();
String selected = context.readChildProperty("selected");
if (!StringUtils.isEmpty(selected))
{
context.selected = Boolean.parseBoolean(selected);
}
}
}
@TagConstraints(tagName="header")
@TagChildren({
@TagChild(StackHeader.class)
})
@TagAttributesDeclaration({
@TagAttributeDeclaration(value="size", type=Double.class, required=true)
})
public static class StackHeaderProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
context.headerSize = Double.parseDouble(context.readChildProperty("size"));
}
}
@TagChildren({
@TagChild(StackHeaderWidgetProcessor.class),
@TagChild(StackHeaderTextProcessor.class),
@TagChild(StackHeaderHTMLProcessor.class)
})
public static class StackHeader extends ChoiceChildProcessor<StackLayoutContext> {}
@TagConstraints(tagName="text", type=String.class)
public static class StackHeaderTextProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
context.title = getWidgetCreator().getDeclaredMessage(getWidgetCreator().
ensureTextChild(context.getChildElement(), true, context.getWidgetId(), false));
context.isHtmlTitle = false;
}
}
@TagConstraints(tagName="html", type=HTMLTag.class)
public static class StackHeaderHTMLProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
context.title = getWidgetCreator().ensureHtmlChild(context.getChildElement(), true, context.getWidgetId());
context.isHtmlTitle = true;
}
}
@TagConstraints(tagName="widget", type=AnyWidget.class)
public static class StackHeaderWidgetProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
String childWidget = getWidgetCreator().createChildWidget(out, context.getChildElement(), context);
context.headerWidget = childWidget;
context.headerWidgetPartialSupport = getWidgetCreator().hasChildPartialSupport(context.getChildElement());
if (context.headerWidgetPartialSupport)
{
context.headerWidgetClassType = getWidgetCreator().getChildWidgetClassName(context.getChildElement());
}
}
}
@TagConstraints(tagName="content")
@TagChildren({
@TagChild(StackContentWidgetProcessor.class)
})
public static class StackContentProcessor extends WidgetChildProcessor<StackLayoutContext> {}
@TagConstraints(type=AnyWidget.class)
public static class StackContentWidgetProcessor extends WidgetChildProcessor<StackLayoutContext>
{
@Override
public void processChildren(SourcePrinter out, StackLayoutContext context) throws CruxGeneratorException
{
String contentWidget = getWidgetCreator().createChildWidget(out, context.getChildElement(), context);
String rootWidget = context.getWidget();
boolean childPartialSupport = getWidgetCreator().hasChildPartialSupport(context.getChildElement());
if (childPartialSupport)
{
out.println("if ("+getWidgetCreator().getChildWidgetClassName(context.getChildElement())+".isSupported()){");
}
if (context.headerWidget != null)
{
if (context.headerWidgetPartialSupport)
{
out.println("if ("+context.headerWidgetClassType+".isSupported()){");
}
out.println(rootWidget+".add("+contentWidget+", "+context.headerWidget+", "+context.headerSize+");");
if (context.headerWidgetPartialSupport)
{
out.println("}");
}
}
else
{
out.println(rootWidget+".add("+contentWidget+", "+context.title+", "+context.isHtmlTitle+", "+context.headerSize+");");
}
if (context.selected)
{
out.println(rootWidget+".showWidget("+contentWidget+");");
}
if (childPartialSupport)
{
out.println("}");
}
}
}
@Override
public StackLayoutContext instantiateContext()
{
return new StackLayoutContext();
}
}