package contextMenuInterceptor;

import com.sun.star.ui.*;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.XIndexContainer;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.Exception;
import com.sun.star.beans.UnknownPropertyException;
import com.sun.star.lang.IllegalArgumentException;

public class ContextMenuInterceptor implements XContextMenuInterceptor {

        private com.sun.star.awt.XBitmap myBitmap;

        public ContextMenuInterceptor( com.sun.star.awt.XBitmap aBitmap ) {
            myBitmap = aBitmap;
        }

        public ContextMenuInterceptorAction notifyContextMenuExecute(
        com.sun.star.ui.ContextMenuExecuteEvent aEvent ) throws RuntimeException
    {
        try
        {
            // Retrieve context menu container and query for service factory to
            // create sub menus, menu entries and separators
            com.sun.star.container.XIndexContainer xContextMenu = aEvent.ActionTriggerContainer;
            com.sun.star.lang.XMultiServiceFactory xMenuElementFactory =
                (com.sun.star.lang.XMultiServiceFactory)UnoRuntime.queryInterface(
                com.sun.star.lang.XMultiServiceFactory.class, xContextMenu );

            if ( xMenuElementFactory != null )
            {

                // create root menu entry for sub menu and sub menu
                com.sun.star.beans.XPropertySet xRootMenuEntry =
                    (XPropertySet)UnoRuntime.queryInterface(
                    com.sun.star.beans.XPropertySet.class,
                    xMenuElementFactory.createInstance("com.sun.star.ui.ActionTrigger" ));

                // create a line separator for our new help sub menu
                com.sun.star.beans.XPropertySet xSeparator =
                    (com.sun.star.beans.XPropertySet)UnoRuntime.queryInterface(
                    com.sun.star.beans.XPropertySet.class,
                    xMenuElementFactory.createInstance("com.sun.star.ui.ActionTriggerSeparator" ) );
                Short aSeparatorType = new Short( ActionTriggerSeparatorType.LINE );
                xSeparator.setPropertyValue( "SeparatorType", (Object)aSeparatorType );

                // query sub menu for index container to get access
                com.sun.star.container.XIndexContainer xSubMenuContainer =
                    (com.sun.star.container.XIndexContainer)UnoRuntime.queryInterface(
                    com.sun.star.container.XIndexContainer.class,
                    xMenuElementFactory.createInstance("com.sun.star.ui.ActionTriggerContainer" ));

                // intialize root menu entry "Help"
                xRootMenuEntry.setPropertyValue( "Text", new String( "Help" ));
                xRootMenuEntry.setPropertyValue( "CommandURL", new String( "slot:5410" ));
                xRootMenuEntry.setPropertyValue( "HelpURL", new String( "5410" ));
                xRootMenuEntry.setPropertyValue( "SubContainer", (Object)xSubMenuContainer );
                xRootMenuEntry.setPropertyValue( "Image", myBitmap );

                // create menu entries for the new sub menu
                // intialize help/content menu entry
                // entry "Content"
                XPropertySet xMenuEntry = (XPropertySet)UnoRuntime.queryInterface(
                    XPropertySet.class, xMenuElementFactory.createInstance (
                    "com.sun.star.ui.ActionTrigger" ));
                xMenuEntry.setPropertyValue( "Text", new String( "Content" ));
                xMenuEntry.setPropertyValue( "CommandURL", new String( "slot:5401" ));
                xMenuEntry.setPropertyValue( "HelpURL", new String( "5401" ));

                // insert menu entry to sub menu
                xSubMenuContainer.insertByIndex ( 0, (Object)xMenuEntry );

                // intialize help/help agent
                // entry "Help Agent"
                xMenuEntry = (com.sun.star.beans.XPropertySet)UnoRuntime.queryInterface(
                    com.sun.star.beans.XPropertySet.class,
                    xMenuElementFactory.createInstance("com.sun.star.ui.ActionTrigger" ));
                xMenuEntry.setPropertyValue( "Text", new String( "Help Agent" ));
                xMenuEntry.setPropertyValue( "CommandURL", new String( "slot:5962" ));
                xMenuEntry.setPropertyValue( "HelpURL", new String( "5962" ));

                // insert menu entry to sub menu
                xSubMenuContainer.insertByIndex( 1, (Object)xMenuEntry );
                // intialize help/tips
                // entry "Tips"
                xMenuEntry = (com.sun.star.beans.XPropertySet)UnoRuntime.queryInterface(
                    com.sun.star.beans.XPropertySet.class,
                    xMenuElementFactory.createInstance("com.sun.star.ui.ActionTrigger" ));
                xMenuEntry.setPropertyValue( "Text", new String( "Tips" ));
                xMenuEntry.setPropertyValue( "CommandURL", new String( "slot:5404" ));
                xMenuEntry.setPropertyValue( "HelpURL", new String( "5404" ));

                // insert menu entry to sub menu
                xSubMenuContainer.insertByIndex ( 2, (Object)xMenuEntry );

                // add separator into the given context menu
                xContextMenu.insertByIndex ( 0, (Object)xSeparator );

                // add new sub menu into the given context menu
                xContextMenu.insertByIndex ( 0, (Object)xRootMenuEntry );

                // The controller should execute the modified context menu and stop notifying other
                // interceptors.
                return com.sun.star.ui.ContextMenuInterceptorAction.EXECUTE_MODIFIED ;
            }
        }
        catch ( com.sun.star.beans.UnknownPropertyException ex )
        {
            // do something useful
            // we used a unknown property
        }
        catch ( com.sun.star.lang.IndexOutOfBoundsException ex )
        {
            // do something useful
            // we used an invalid index for accessing a container
        }
        catch ( com.sun.star.uno.Exception ex )
        {
            // something strange has happend!
        }
        catch ( java.lang.Throwable ex )
        {
            // catch java exceptions � do something useful
        }

        return com.sun.star.ui.ContextMenuInterceptorAction.IGNORED;
    }
}