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package org.openoffice.xforms;

import com.sun.star.beans.PropertyVetoException;
import com.sun.star.beans.UnknownPropertyException;
import com.sun.star.beans.XPropertySet;
import com.sun.star.lang.IllegalArgumentException;
import com.sun.star.lang.WrappedTargetException;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.xforms.XFormsUIHelper1;
import com.sun.star.xforms.XModel;
import com.sun.star.xml.dom.XNode;

/** encapsulates an XForms model
 *
 * @author fs93730
 */
public class Model
{
    private XModel          m_model;
    private XPropertySet    m_modelProps;
    private XFormsUIHelper1 m_helper;

    protected Model( Object _model )
    {
        m_model = (XModel)UnoRuntime.queryInterface( XModel.class, _model );
        m_modelProps = (XPropertySet)UnoRuntime.queryInterface( XPropertySet.class, _model );
        m_helper = (XFormsUIHelper1)UnoRuntime.queryInterface( XFormsUIHelper1.class,
            m_model );
    }

    protected XModel getXModel()
    {
        return m_model;
    }

    protected XFormsUIHelper1 getUIHelper()
    {
        return m_helper;
    }

    public Instance getDefaultInstance()
    {
        return new Instance( this, m_model.getDefaultInstance() );
    }

    /** creates a binding for the given DOM node
     * 
     * @param _node
     *      the DOM node to create a binding for
     * @param _dataType
     *      the data type to be used for the binding
     * @return
     */
    public XPropertySet createBindingForNode( XNode _node, short _dataTypeClass )
    {
        XPropertySet binding = m_helper.getBindingForNode(_node, true);
        try
        {
            String basicTypeName = (String)m_model.getDataTypeRepository().getBasicDataType( _dataTypeClass ).
                getPropertyValue( "Name" );
            binding.setPropertyValue( "Type", basicTypeName );
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
        return binding;
    }

    public void setIsDocumentInternalData( boolean _internalData )
    {
        try
        {
            m_modelProps.setPropertyValue("ExternalData", new Boolean(!_internalData));
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
    }

    public boolean getIsDocumentInternalData()
    {
        boolean isInternalData = false;
        try
        {
            isInternalData = !((Boolean)m_modelProps.getPropertyValue( "ExternalData" )).booleanValue();
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
        return isInternalData;
    }
}