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An Open Source JavaFX PDF Viewer
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/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2016 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
     This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


 *
 * ---------------
 * Single.java
 * ---------------
 */
package org.jpedal.examples.viewer.commands;

import java.awt.Component;
import org.jpedal.PdfDecoderInt;
import org.jpedal.display.Display;
import org.jpedal.examples.viewer.Commands;
import org.jpedal.examples.viewer.SharedViewer;
import org.jpedal.gui.GUIFactory;

/**
 * Change page display mode to single
 */
public class Single {

    public static void execute(final Object[] args, final PdfDecoderInt decode_pdf, final GUIFactory currentGUI) {
        if (!decode_pdf.isOpen() || decode_pdf.getDisplayView()==Display.SINGLE_PAGE) {
            return;
        }

        if (args == null) {

            currentGUI.getCombo(Commands.SCALING).setEnabled(true);
            currentGUI.getCombo(Commands.ROTATION).setEnabled(true);
            
            currentGUI.getButtons().getButton(Commands.ROTATELEFT).setEnabled(true);
            currentGUI.getButtons().getButton(Commands.ROTATERIGHT).setEnabled(true);
            
            if (currentGUI.getGlassPane() != null){
                ((Component)currentGUI.getGlassPane()).setVisible(true);
            }            

            currentGUI.getButtons().getButton(Commands.MOUSEMODE).setEnabled(true);
            currentGUI.getButtons().getButton(Commands.SNAPSHOT).setEnabled(true);

            currentGUI.getButtons().alignLayoutMenuOption(Display.SINGLE_PAGE);

            if(SharedViewer.isFX()){
                ModeChange.changeModeInJavaFX(Display.SINGLE_PAGE,decode_pdf,currentGUI);
            }else{
                ModeChange.changeModeInSwing(Display.SINGLE_PAGE,decode_pdf,currentGUI,null);
            }
            
            currentGUI.resetRotationBox();
            currentGUI.scaleAndRotate();

            //Change the page number for single page mode
            //This ensures facing mode number is replaced with a single number
            currentGUI.setPageNumber();
            currentGUI.updateTextBoxSize();
        }
    }
}