/*
* Copyright 2009 Andrew Pietsch
*
* 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.client.form.binding;
import com.dragome.forms.bindings.client.form.FormattedFieldModel;
import com.dragome.forms.bindings.client.value.GuardedValueChangeHandler;
import com.dragome.forms.bindings.client.value.MutableValueModel;
import com.dragome.model.interfaces.ValueChangeEvent;
/**
* Created by IntelliJ IDEA.
* User: andrew
* Date: Jul 1, 2009
* Time: 4:53:36 PM
* To change this template use File | Settings | File Templates.
*/
public abstract class AbstractFormattedValueBinding<T> extends AbstractFormattedBinding<FormattedFieldModel<T>>
{
private GuardedValueChangeHandler<String> fieldMonitor= new GuardedValueChangeHandler<String>()
{
public void onGuardedValueChanged(ValueChangeEvent<String> event)
{
updateTarget(event.getValue());
}
};
private MutableValueModel<String> textModel;
public AbstractFormattedValueBinding(FormattedFieldModel<T> model)
{
super(model);
textModel= model.getTextModel();
registerDisposable(textModel.addValueChangeHandler(fieldMonitor));
}
protected abstract void updateTarget(String value);
public void updateTarget()
{
updateTarget(textModel.getValue());
}
protected void onWidgetChanged(String text)
{
fieldMonitor.setIgnoreEvents(true);
try
{
getModel().getTextModel().setValue(text);
}
finally
{
fieldMonitor.setIgnoreEvents(false);
}
}
}