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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* 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
*
* ---------------
* SelectAll.java
* ---------------
*/
package org.jpedal.examples.viewer.commands;
import org.jpedal.PdfDecoderInt;
import org.jpedal.display.Display;
import org.jpedal.examples.viewer.Values;
import org.jpedal.gui.GUIFactory;
import org.jpedal.parser.DecoderOptions;
import org.jpedal.utils.Messages;
/**
* Selects and highlights everything in the document
*/
public class SelectAll {
public static void execute(final GUIFactory currentGUI, final PdfDecoderInt decode_pdf, final Values commonValues) {
if (decode_pdf.getDisplayView() == Display.SINGLE_PAGE) {
final int[][] allHighlights = decode_pdf.getTextLines().getLineAreasAs2DArray(commonValues.getCurrentPage());
final int coordX;
final int coordY;
final int width;
final int height;
if (allHighlights != null) { //breaks in legacy text mode so trap
int top = 0;
int bottom = 0;
for (int r = 0; r != allHighlights.length; r++) {
if (allHighlights[r][1] > allHighlights[top][1]) {
top = r;
}
if (allHighlights[r][1] < allHighlights[bottom][1]) {
bottom = r;
}
}
coordX = allHighlights[top][0];
coordY = allHighlights[top][1] + (allHighlights[top][3] / 2);
height = (allHighlights[bottom][1] + (allHighlights[bottom][3] / 2)) - coordY;
width = (allHighlights[bottom][0] + allHighlights[bottom][2]) - coordX;
decode_pdf.getTextLines().clearHighlights();
decode_pdf.getTextLines().addHighlights(allHighlights, true, commonValues.getCurrentPage());
} else {
//breaks in legacy text mode so trap
height = decode_pdf.getPdfPageData().getCropBoxHeight(commonValues.getCurrentPage());
width = decode_pdf.getPdfPageData().getCropBoxWidth(commonValues.getCurrentPage());
coordX = decode_pdf.getPdfPageData().getCropBoxX(commonValues.getCurrentPage());
coordY = decode_pdf.getPdfPageData().getCropBoxY(commonValues.getCurrentPage());
}
// values require to manipulate selected text
commonValues.m_x1 = coordX;
commonValues.m_x2 = coordX + width;
commonValues.m_y1 = coordY;
commonValues.m_y2 = coordY + height;
// add an outline rectangle to the display
final int[] currentRectangle = {coordX, coordY, width, height};
// Remove all previous highlight areas
decode_pdf.updateCursorBoxOnScreen(null, 0); // remove box
decode_pdf.getPages().setHighlightedImage(null);// remove image highlight
decode_pdf.updateCursorBoxOnScreen(currentRectangle, DecoderOptions.highlightColor.getRGB());
decode_pdf.repaintPane(commonValues.getCurrentPage());
} else {
currentGUI.showMessageDialog(Messages.getMessage("PageLayoutMessage.SinglePageOnly"));
}
}
}