/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */
package mod._sw;

import java.io.PrintWriter;

import lib.StatusException;
import lib.TestCase;
import lib.TestEnvironment;
import lib.TestParameters;
import util.AccessibilityTools;
import util.WriterTools;
import util.utils;

import com.sun.star.accessibility.AccessibleRole;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleValue;
import com.sun.star.awt.XWindow;
import com.sun.star.frame.XModel;
import com.sun.star.text.ControlCharacter;
import com.sun.star.text.XText;
import com.sun.star.text.XTextCursor;
import com.sun.star.text.XTextDocument;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XInterface;

/**
* Test of accessible object for the text document.<p>
* Object implements the following interfaces :
* <ul>
*  <li> <code>::com::sun::star::accessibility::XAccessible</code></li>
* </ul>
* @see com.sun.star.accessibility.XAccessible
*/
public class SwAccessibleDocumentView extends TestCase {

    XTextDocument xTextDoc = null;

    /**
    * Called to create an instance of <code>TestEnvironment</code>
    * with an object to test and related objects. The method is called from
    * <code>getTestEnvironment()</code>. Obtains accissible object for
    * text document.
    *
    * @param Param test parameters
    * @param log writer to log information while testing
    *
    * @see TestEnvironment
    * @see #getTestEnvironment
    */
    @Override
    protected TestEnvironment createTestEnvironment(
        TestParameters Param, PrintWriter log) {

        XInterface oObj = null;

        XText oText = xTextDoc.getText();
        XTextCursor oCursor = oText.createTextCursor();

        log.println( "inserting some lines" );
        try {
            for (int i=0; i<5; i++){
                oText.insertString( oCursor,"Paragraph Number: " + i, false);
                oText.insertString( oCursor,
                    " The quick brown fox jumps over the lazy Dog: SwXParagraph",
                    false);
                oText.insertControlCharacter(
                    oCursor, ControlCharacter.PARAGRAPH_BREAK, false );
                oText.insertString( oCursor,
                    "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG: SwXParagraph",
                    false);
                oText.insertControlCharacter(oCursor,
                    ControlCharacter.PARAGRAPH_BREAK, false );
                oText.insertControlCharacter(
                    oCursor, ControlCharacter.LINE_BREAK, false );
            }
        } catch ( com.sun.star.lang.IllegalArgumentException e ){
            e.printStackTrace(log);
            throw new StatusException( "Couldn't insert lines", e );
        }

        XModel aModel = UnoRuntime.queryInterface(XModel.class, xTextDoc);

        new AccessibilityTools();

        XWindow xWindow = AccessibilityTools.getCurrentWindow(aModel);
        XAccessible xRoot = AccessibilityTools.getAccessibleObject(xWindow);

        oObj = AccessibilityTools.getAccessibleObjectForRole(xRoot, AccessibleRole.DOCUMENT);

        log.println("ImplementationName " + utils.getImplName(oObj));
        AccessibilityTools.printAccessibleTree(log, xRoot, Param.getBool(util.PropertyName.DEBUG_IS_ACTIVE));

        TestEnvironment tEnv = new TestEnvironment(oObj);

        getAccessibleObjectForRole(xRoot, AccessibleRole.SCROLL_BAR);
        final XAccessibleValue xAccVal = UnoRuntime.queryInterface
                                (XAccessibleValue.class, SearchedContext) ;

        tEnv.addObjRelation("EventProducer",
            new ifc.accessibility._XAccessibleEventBroadcaster.EventProducer() {
                public void fireEvent() {
                    xAccVal.setCurrentValue(xAccVal.getMinimumValue());
                    xAccVal.setCurrentValue(xAccVal.getMaximumValue());
                }
            });

        return tEnv;

    }

    public static boolean first = false;
    public static XAccessibleContext SearchedContext = null;

    public static void getAccessibleObjectForRole(XAccessible xacc,short role) {
        XAccessibleContext ac = xacc.getAccessibleContext();
        if (ac.getAccessibleRole()==role) {
            if (first) SearchedContext = ac;
                else first=true;
        } else {
            int k = ac.getAccessibleChildCount();
            for (int i=0;i<k;i++) {
                try {
                    getAccessibleObjectForRole(ac.getAccessibleChild(i),role);
                    if (SearchedContext != null) return ;
                } catch (com.sun.star.lang.IndexOutOfBoundsException e) {
                    System.out.println("Couldn't get Child");
                }
            }
        }
    }


    /**
    * Called while disposing a <code>TestEnvironment</code>.
    * Disposes text document.
    * @param Param test parameters
    * @param log writer to log information while testing
    */
    @Override
    protected void cleanup( TestParameters Param, PrintWriter log) {
        log.println("dispose text document");
        util.DesktopTools.closeDoc(xTextDoc);
    }

    /**
     * Called while the <code>TestCase</code> initialization.
     * Creates a text document.
     *
     * @param Param test parameters
     * @param log writer to log information while testing
     *
     * @see #initializeTestCase
     */
    @Override
    protected void initialize(TestParameters Param, PrintWriter log) {
        log.println( "creating a text document" );
        xTextDoc = WriterTools.createTextDoc(Param.getMSF());
    }
}
