/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * 
 *************************************************************/


import com.sun.star.uno.UnoRuntime;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleTable;


class AccessibleTableHandler extends NodeHandler
{
    public NodeHandler createHandler (XAccessibleContext xContext)
    {
        XAccessibleTable xTable = 
            (XAccessibleTable) UnoRuntime.queryInterface (
                XAccessibleTable.class, xContext);
        if (xTable != null)
            return new AccessibleTableHandler (xTable);
        else
            return null;
    }

    public AccessibleTableHandler ()
    {
    }

    public AccessibleTableHandler (XAccessibleTable xTable)
    {
        if (xTable != null)
            maChildList.setSize (4);
    }

    protected static XAccessibleTable getTable(Object aObject)
    {
        return (XAccessibleTable) UnoRuntime.queryInterface (
            XAccessibleTable.class, aObject);
    }

    public AccessibleTreeNode createChild (AccessibleTreeNode aParent, int nIndex)
    {
        AccessibleTreeNode aChild = null;
        XAccessibleTable xTable = null;
        if (aParent instanceof AccTreeNode)
            xTable = ((AccTreeNode)aParent).getTable();
        try
        {
            if( xTable != null )
            {
                switch( nIndex )
                {
                    case 0:
                        aChild = new StringNode ("# table rows: " + xTable.getAccessibleRowCount(), aParent);
                        break;
                    case 1:
                        aChild = new StringNode ("# table columns: " + xTable.getAccessibleColumnCount(), aParent);
                        break;
                    case 2:
						{
							String sText = "selected rows: ";
							int[] aSelected = xTable.getSelectedAccessibleRows();
							for( int i=0; i < aSelected.length; i++ )
							{
								sText += aSelected[i];
								sText += " ";
							}
                        	aChild = new StringNode (sText, aParent);
						}
                        break;
                    case 3:
						{
							String sText = "selected columns: ";
							int[] aSelected = xTable.getSelectedAccessibleColumns();
							for( int i=0; i < aSelected.length; i++ )
							{
								sText += aSelected[i];
								sText += " ";
							}
                        	aChild = new StringNode (sText, aParent);
						}
                        break;
                    default:
                        aChild = new StringNode ("unknown child index " + nIndex, aParent);
                }
            }
        }
        catch (Exception e)
        {
            // Return empty child.
        }

        return aChild;
    }
}