/*
* Copyright 2013, Arondor
*
* 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.arondor.common.reflection.gwt.client.presenter.fields;
import com.arondor.common.reflection.gwt.client.event.TreeNodeClearEvent;
import com.arondor.common.reflection.gwt.client.presenter.TreeNodePresenter;
import com.arondor.common.reflection.model.config.ElementConfiguration;
import com.arondor.common.reflection.model.config.ObjectConfigurationFactory;
import com.arondor.common.reflection.model.config.PrimitiveConfiguration;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
public class PrimitiveTreeNodePresenter implements TreeNodePresenter
{
private final String fieldName;
private String fieldValue;
private String defaultValue;
public interface PrimitiveDisplay extends ValueDisplay<String>
{
}
private final PrimitiveDisplay primitiveDisplay;
public PrimitiveTreeNodePresenter(String fieldName, PrimitiveDisplay primitiveDisplay)
{
this.fieldName = fieldName;
this.primitiveDisplay = primitiveDisplay;
bind();
}
private void bind()
{
primitiveDisplay.addValueChangeHandler(new ValueChangeHandler<String>()
{
public void onValueChange(ValueChangeEvent<String> event)
{
fieldValue = event.getValue();
}
});
primitiveDisplay.addTreeNodeClearHandler(new TreeNodeClearEvent.Handler()
{
public void onTreeNodeClearEvent(TreeNodeClearEvent treeNodeClearEvent)
{
fieldValue = null;
primitiveDisplay.setDefaultValue(defaultValue);
}
});
}
public String getFieldName()
{
return fieldName;
}
public ElementConfiguration getElementConfiguration(ObjectConfigurationFactory objectConfigurationFactory)
{
if (fieldValue != null && !fieldValue.isEmpty())
{
return objectConfigurationFactory.createPrimitiveConfiguration(fieldValue);
}
return null;
}
public void setElementConfiguration(ElementConfiguration elementConfiguration)
{
if (elementConfiguration instanceof PrimitiveConfiguration)
{
PrimitiveConfiguration primitiveConfiguration = (PrimitiveConfiguration) elementConfiguration;
fieldValue = primitiveConfiguration.getValue();
if (defaultValue != null)
{
primitiveDisplay.setDefaultValue(defaultValue);
}
if (fieldValue != null)
{
primitiveDisplay.setValue(fieldValue);
}
}
}
public String getDefaultValue()
{
return defaultValue;
}
public void setDefaultValue(String defaultValue)
{
this.defaultValue = defaultValue;
}
public Display getDisplay()
{
return primitiveDisplay;
}
}