Hi,
ok, after writing the tutorial I thought I had understood everything
about object inheritance and qooxdoo properties etc... but now I have
run into a mystery.
Here is my modifier function:
/**
* associates data element with data container
*/
QxTarget.prototype._modifyDataContainer = function( propValue,
propOldValue, propData )
{
if ( propValue )
{
if ( propValue.getChildElement( this.getName() ) !== this )
{
propValue.add ( this );
}
}
else
{
if ( propOldValue ) {
propOldValue.remove ( this );
};
};
return true;
};
it works flawlessly, if I do foo.setDataContainer(bar) , bar will be
retrieved on executing foo.getDataContainer(). But if I try to access
the dataContainer property in a different method later, such as
QxTarget.prototype.updateLocal = function ()
{
var self = this,
name = this.getName(),
container = this.getDataContainer();
alert (container);
}
container will be "null". I don't get it Any ideas?
Christian
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