FormBinder.java

package com.dragome.forms.bindings.client.form.binding;

import com.dragome.forms.bindings.client.binding.AbstractBinding;
import com.dragome.forms.bindings.client.binding.Binder;
import com.dragome.forms.bindings.client.binding.BindingBuilderCallback;
import com.dragome.forms.bindings.client.binding.MutableListBindingBuilder;
import com.dragome.forms.bindings.client.binding.MutableValueBindingBuilder;
import com.dragome.forms.bindings.client.form.BindingCallback;
import com.dragome.forms.bindings.client.form.FieldModel;
import com.dragome.forms.bindings.client.form.FormattedFieldModel;
import com.dragome.forms.bindings.client.form.FormattedListFieldModel;
import com.dragome.forms.bindings.client.form.ListFieldModel;

/**
 * FormBinder provides a builders to bind widgets to field models.  During the binding process
 * any {@link com.pietschy.gwt.pectin.client.binding.BindingBuilderCallback}s installed by plugins will be automatically invoked.
 */
public class FormBinder extends Binder
{
	public <T> MutableValueBindingBuilder<T> bind(final FieldModel<T> field)
	{
		return new MutableValueBindingBuilder<T>(field, new BindingBuilderCallback()
		{
			public void onBindingCreated(AbstractBinding binding, Object target)
			{
				registerDisposableAndUpdateTarget(binding);
				// now notify plugins..
				for (BindingCallback callback : field.getFormModel().getBindingCallbacks())
				{
					callback.onWidgetBinding(binding, field, target);
				}
			}
		});
	}

	public <T> MutableListBindingBuilder<T> bind(final ListFieldModel<T> field)
	{
		return new MutableListBindingBuilder<T>(field, new BindingBuilderCallback()
		{
			public void onBindingCreated(AbstractBinding binding, Object target)
			{
				registerDisposableAndUpdateTarget(binding);
				for (BindingCallback callback : field.getFormModel().getBindingCallbacks())
				{
					callback.onWidgetBinding(binding, field, target);
				}
			}
		});
	}

	public <T> FormattedFieldBindingBuilder<T> bind(final FormattedFieldModel<T> field)
	{
		return new FormattedFieldBindingBuilder<T>(field, new BindingBuilderCallback()
		{
			public void onBindingCreated(AbstractBinding binding, Object target)
			{
				registerDisposableAndUpdateTarget(binding);
				for (BindingCallback callback : field.getFormModel().getBindingCallbacks())
				{
					callback.onWidgetBinding(binding, field, target);
				}
			}
		});
	}

	public <T> FormattedListFieldBindingBuilder<T> bind(final FormattedListFieldModel<T> formattedList)
	{
		return new FormattedListFieldBindingBuilder<T>(formattedList, new BindingBuilderCallback()
		{
			public void onBindingCreated(AbstractBinding binding, Object target)
			{
				registerDisposableAndUpdateTarget(binding);
				for (BindingCallback callback : formattedList.getFormModel().getBindingCallbacks())
				{
					callback.onWidgetBinding(binding, formattedList, target);
				}
			}
		});
	}
}