/*
Copyright (c) 2003-2009 ITerative Consulting Pty Ltd. All Rights Reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
o Redistributions of source code must retain the above copyright notice, this list of conditions and
the following disclaimer.
o Redistributions in binary form must reproduce the above copyright notice, this list of conditions
and the following disclaimer in the documentation and/or other materials provided with the distribution.
o This jcTOOL Helper Class software, whether in binary or source form may not be used within,
or to derive, any other product without the specific prior written permission of the copyright holder
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package DisplayProject.binding;
import DisplayProject.binding.beans.ExtendedPropertyChangeSupport;
import DisplayProject.binding.beans.PropertyAccessException;
import DisplayProject.binding.value.AbstractConverter;
import DisplayProject.binding.value.ValueModel;
import Framework.TextData;
/**
* Converts textdata to strings so they can be bound to text components
* which only work with string property types
*/
@SuppressWarnings("serial")
public class TextDataToStringConverter extends AbstractConverter {
/**
* Determine whether to use identity checks in the firing of property change support events. If this flag
* is <tt>false</tt> then the <tt>equals</tt> method will be used, otherwise <tt>==</tt> will be used.
*/
private boolean checkIdentityDefault = false;
/**
* Creates a new TextDataToStringConverter instance.
*
* @param subject a model to observe.
*/
public TextDataToStringConverter(ValueModel subject) {
super(subject);
}
/**
* Creates a new TextDataToStringConverter instance.
*
* @param subject a model to observe.
* @param checkIdentityDefault true enables the identity check by default
*/
public TextDataToStringConverter(ValueModel subject, boolean checkIdentityDefault) {
super(subject);
this.checkIdentityDefault = checkIdentityDefault;
}
@Override
protected ExtendedPropertyChangeSupport createExtendedPropertyChangeSupport() {
return new ExtendedPropertyChangeSupport(this, this.checkIdentityDefault);
}
public Object convertFromSubject(Object subjectValue) {
if (subjectValue != null) {
return subjectValue.toString();
}
return subjectValue;
}
/**
* Sets the new value. First tries to set the value without converting
* and if a property access exception is thrown, then attempts to convert
* @param newValue
*/
public void setValue(Object newValue) {
try {
subject.setValue(newValue);
}
catch (PropertyAccessException pae) {
subject.setValue(new TextData((String)newValue));
}
}
}