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Dragome SDK module: form bindings

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/*
 * Copyright (c) 2011-2014 Fernando Petrola
 *
 * 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.dragome.forms.bindings.builders;

import java.util.ArrayList;
import java.util.List;

import com.dragome.forms.bindings.client.form.binding.FormBinder;
import com.dragome.forms.bindings.client.form.metadata.binding.ConditionBinderBuilder;
import com.dragome.forms.bindings.client.style.StyleBinder;
import com.dragome.forms.bindings.client.style.StyleBindingBuilder;
import com.dragome.forms.bindings.client.style.StyleBuilder;
import com.dragome.guia.components.interfaces.VisualComponent;
import com.dragome.guia.components.interfaces.VisualPanel;
import com.dragome.guia.events.listeners.interfaces.BlurListener;
import com.dragome.guia.events.listeners.interfaces.ClickListener;
import com.dragome.guia.events.listeners.interfaces.DoubleClickListener;
import com.dragome.guia.events.listeners.interfaces.InputListener;
import com.dragome.guia.events.listeners.interfaces.KeyUpListener;
import com.dragome.model.interfaces.ValueChangeEvent;
import com.dragome.model.interfaces.ValueChangeHandler;
import com.dragome.model.pectin.VisualComponentHasEnabled;

public abstract class BaseBuilder>
{
	protected BaseBuilder parentBuilder;

	public BaseBuilder getParentBuilder()
	{
		return parentBuilder;
	}

	public void setParentBuilder(BaseBuilder parentBuilder)
	{
		this.parentBuilder= parentBuilder;
	}

	protected ConditionBinderBuilder conditionBinderBuilder;
	protected FormBinder binder= new FormBinder();
	protected C component;

	private StyleBinder styleBinder= new StyleBinder();
	private StyleBinder styleBinder2= new StyleBinder();
	private StyleBuilder styleBuilder;
	private StyleBuilder styleBuilder2;
	private StyleBindingBuilder styleBindingBuilder;
	private StyleBindingBuilder styleBindingBuilder2;

	private ValueModelDelegator switchSource;
	private List cases= new ArrayList();
	private boolean buildEnding= false;

	public BaseBuilder()
	{
	}

	public BaseBuilder parentBuilder()
	{
		return parentBuilder;
	}

	public B show(C visualComponent)
	{
		conditionBinderBuilder= binder.show(visualComponent);
		return (B) this;
	}

	public B styleWith(String trueClassName, String falseClassName)
	{
		B style= style(component);
		return style.with(trueClassName, falseClassName);
	}

	public B styleWith(String className)
	{
		return style(component).with(className);
	}

	public B showWhen(Supplier supplier)
	{
		return show(component).when(supplier);
	}

	public B disable(C visualComponent)
	{
		conditionBinderBuilder= binder.disable(new VisualComponentHasEnabled(component));
		return (B) this;
	}

	public B disableWhen(Supplier supplier)
	{
		return disable(component).when(supplier);
	}

	public B with(String className)
	{
		styleBindingBuilder= styleBuilder.with(className);

		return (B) this;
	}

	public B style(VisualComponent component)
	{
		styleBuilder= styleBinder.style(component);
		styleBuilder2= styleBinder2.style(component);
		return (B) this;
	}

	public B when(Supplier object)
	{
		build();

		ValueModelDelegator condition= BindingSync.createCondition(object);

		if (conditionBinderBuilder != null)
		{
			conditionBinderBuilder.when(condition);
			conditionBinderBuilder= null;
		}
		else
		{
			styleBindingBuilder.when(condition);
			styleBindingBuilder= null;
		}

		return (B) this;
	}

	public B with(String trueClassName, String falseClassName)
	{
		styleBindingBuilder= styleBuilder.with(trueClassName);
		styleBindingBuilder2= styleBuilder2.with(falseClassName);
		return (B) this;
	}

	public B accordingTo(final Supplier object)
	{
		build();

		styleBindingBuilder.when(BindingSync.createCondition(object));
		styleBindingBuilder2.when(BindingSync.createCondition(new Supplier()
		{
			public Boolean get()
			{
				return !object.get();
			}
		}));

		return (B) this;
	}

	public  B switchWith(Supplier supplier)
	{
		this.switchSource= (ValueModelDelegator) BindingSync.createCondition(supplier);
		this.switchSource.addValueChangeHandler(new ValueChangeHandler()
		{
			public void onValueChange(ValueChangeEvent event)
			{
				updateCases();
			}
		});
		return (B) this;
	}

	public void addCase(Case aCase)
	{
		cases.add(aCase);
	}

	public void updateCases()
	{
		if (switchSource != null)
		{
			Object value= switchSource.getValue();

			Case defaultCase= null;
			Case found= null;
			for (Case currentCase : cases)
			{
				currentCase.hide();
				if (currentCase.isDefaultCase())
					defaultCase= currentCase;
				else if (currentCase.getSupplier().get().equals(value))
					found= currentCase;
			}

			if (found == null)
				found= defaultCase;

			found.show();
			found.build();
		}
	}

	public abstract C build();

	public ComponentBuilder childrenBuilder()
	{
		return new ComponentBuilder((VisualPanel) component, this);
	}

	public ComponentBuilder buildChildren(ChildrenBuilder childrenBuilder)
	{
		if (!buildEnding)
			build();

		ComponentBuilder builder= childrenBuilder();
		childrenBuilder.build(builder);

		if (buildEnding)
			build();

		updateCases();

		return builder;
	}

	public B onDoubleClick(DoubleClickListener doubleClickPerformed)
	{
		component.addDoubleClickListener(doubleClickPerformed);
		return (B) this;
	}

	public B onClick(ClickListener clickListener)
	{
		component.addClickListener(clickListener);
		return (B) this;
	}

	public B onClick(final ActionExecutor actionExecutor)
	{
		component.addClickListener(new ClickListener()
		{
			public void clickPerformed(VisualComponent aVisualComponent)
			{
				actionExecutor.execute();
			}
		});
		return (B) this;
	}

	public B onValueChange(final ActionExecutor actionExecutor)
	{
		component.addListener(ValueChangeHandler.class, new ValueChangeHandler()
		{
			public void onValueChange(ValueChangeEvent event)
			{
				actionExecutor.execute();
			}
		});
		return (B) this;
	}

	public VisualComponent component()
	{
		return component;
	}

	public B onKeyUp(final KeyUpListener keyUpListener, final int... codes)
	{
		component.addKeyListener(new KeyUpListener()
		{
			public void keyupPerformed(VisualComponent visualComponent, int keyCode)
			{
				for (int code : codes)
				{
					if (code == keyCode || code == 0)
					{
						keyUpListener.keyupPerformed(visualComponent, keyCode);
						break;
					}
				}
			}
		});
		return (B) this;
	}

	public B onBlur(BlurListener blurListener)
	{
		component.addListener(BlurListener.class, blurListener);
		return (B) this;
	}

	public B onInput(InputListener inputListener)
	{
		component.addListener(InputListener.class, inputListener);
		return (B) this;
	}

	//	private void switchCase(String templateName, CaseBuilder caseBuilder)
	//	{
	//		ComponentBuilder componentBuilder= (ComponentBuilder) this;
	//
	//		parentBuilder.cases.add(new Case(caseBuilder, true, componentBuilder.bindTemplate(templateName)));
	//	}

//	private  void switchWhen(String templateName, final Supplier supplier, CaseBuilder caseBuilder)
//	{
//		ComponentBuilder componentBuilder= (ComponentBuilder) this;
//
//		parentBuilder.cases.add(new Case(supplier, caseBuilder, componentBuilder.bindTemplate(templateName)));
//	}

	public void switchDefaultCase(CaseBuilder caseBuilder)
	{
		TemplateBindingBuilder componentBuilder= (TemplateBindingBuilder) this;
		componentBuilder.getParentBuilder().cases.add(new Case(caseBuilder, true, componentBuilder));
	}

	public  void switchCase(Supplier supplier, CaseBuilder caseBuilder)
	{
		TemplateBindingBuilder componentBuilder= (TemplateBindingBuilder) this;
		componentBuilder.getParentBuilder().cases.add(new Case(supplier, caseBuilder, componentBuilder));
	}

}    

    

    

            

    

            



    
    






    
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