public ImageFieldTemplate() 
{
    dataRowDataSource = new DataRowDataSource();
    imageLoadFilter = new ImageLoadFilter();
    imageLoadFilter.setDataSource(dataRowDataSource);
    imageRefFilter = new ImageRefFilter();
    imageRefFilter.setDataSource(imageLoadFilter);
}

Creates a new image field template.

 public Object clone() throws CloneNotSupportedException 
{
    final ImageFieldTemplate template = (ImageFieldTemplate) super.clone();
    template.imageRefFilter = (ImageRefFilter) imageRefFilter.clone();
    template.imageLoadFilter = (ImageLoadFilter) imageRefFilter.getDataSource();
    template.dataRowDataSource = (DataRowDataSource) template.imageLoadFilter.getDataSource();
    return template;
}

Clones the template.

 protected DataRowDataSource getDataRowDataSource() 
{
    return dataRowDataSource;
}

Returns the datarow data source used in this template.

 public String getField() 
{
    return dataRowDataSource.getDataSourceColumnName();
}

Returns the field name.

 public String getFormula() 
{
    return dataRowDataSource.getFormula();
}

Returns the formula used to compute the value of the data source.

 public Object getValue(ExpressionRuntime runtime,
    Element element) 
{
    return imageRefFilter.getValue(runtime, element);
}

Returns the current value for the data source.

 public  void setField(String field) 
{
    dataRowDataSource.setDataSourceColumnName(field);
}

Sets the field name.

 public  void setFormula(String formula) 
{
    dataRowDataSource.setFormula(formula);
}

Defines the formula used to compute the value of this data source.