org.jpedal.objects.acroforms.actions.JavaFXDefaultActionHandler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of OpenViewerFX Show documentation
Show all versions of OpenViewerFX Show documentation
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
*
* ---------------
* JavaFXDefaultActionHandler.java
* ---------------
*/
package org.jpedal.objects.acroforms.actions;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.stage.Stage;
import org.jpedal.display.Display;
import org.jpedal.display.GUIDisplay;
import org.jpedal.examples.viewer.Commands;
import org.jpedal.external.Options;
import org.jpedal.gui.GUIFactory;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.acroforms.javafx.JavaFXSummary;
import org.jpedal.objects.raw.FormObject;
import org.jpedal.objects.raw.PdfDictionary;
import org.jpedal.objects.raw.PdfObject;
import org.jpedal.utils.LogWriter;
/**
*
* @author Simon
*/
public class JavaFXDefaultActionHandler extends SharedActionHandler {
public JavaFXDefaultActionHandler(GUIFactory currentGUI) {
super(currentGUI);
}
/**
* this calls the PdfDecoder to open a new page and change to the correct page and location on page,
* is any value is null, it means leave as is.
* @param type - the type of action
*/
@Override
public void changeTo(final String file, int page, final Object location, final Integer type, final boolean storeView) {
// open file 'file'
if (file != null) {
try {
//we are working at '2 levels'. We have the Viewer and the
//instance of PdfDecoder. If we only open in PDFDecoder, GUI thinks it is
//still the original file, which causes issues. So we have to change file
//at the viewer level.
//added to check the forms save flag to tell the user how to save the now changed pdf file
final org.jpedal.gui.GUIFactory gui = ((GUIFactory) decode_pdf.getExternalHandler(Options.GUIContainer));
if(gui!=null){
gui.stopThumbnails();
// gui.checkformSavedMessage();
}
if(file.startsWith("http://") || file.startsWith("ftp://") || file.startsWith("https:")){
if(gui!=null) {
gui.getCommand().executeCommand(Commands.OPENURL, new Object[]{file});
} else {
decode_pdf.openPdfFileFromURL(file, true);
}
}else {
if(gui!=null) {
gui.getCommand().executeCommand(Commands.OPENFILE, new Object[]{file});
} else {
decode_pdf.openPdfFile(file);
}
}
if(page==-1) {
page = 1;
}
} catch (final Exception e) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
}
// change to 'page'
if (((page != -1) &&
//we should use +1 as we reference pages from 1.
(decode_pdf.getPageCount()!=1 && (decode_pdf.getDisplayView() != Display.SINGLE_PAGE || (decode_pdf.getDisplayView() == Display.SINGLE_PAGE && decode_pdf.getlastPageDecoded()!=page))))
&& (page > 0 && page < decode_pdf.getPageCount()+1)) {
try {
final org.jpedal.PdfDecoderFX decode_pdf = (org.jpedal.PdfDecoderFX) this.decode_pdf;
//If we are using continuous or continuous facing we need to scroll to the correct page
if(decode_pdf.getDisplayView() == Display.CONTINUOUS || decode_pdf.getDisplayView() == Display.CONTINUOUS_FACING){
// Display d = ((Display)decode_pdf.getPages());
// decode_pdf.scrollRectToVisible(new Rectangle(d.getXCordForPage(page), d.getYCordForPage(page), decode_pdf.getPdfPageData().getScaledCropBoxWidth(page), decode_pdf.getPdfPageData().getScaledCropBoxHeight(page)));
}
this.decode_pdf.decodePage(page);
//update page number
if (page != -1){
gui.setPage(page);
}
} catch (final Exception e) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
/* reset as rotation may change! */
decode_pdf.setPageParameters(-1, page);
}
if(type!=null){
//now available via callback
final Object gui = this.decode_pdf.getExternalHandler(org.jpedal.external.Options.GUIContainer);
/*
* Display the page designated by page, with its contents magnified just enough to
* fit the entire page within the window both horizontally and vertically.
* If the required horizontal and vertical magnification factors are different,
* use the smaller of the two, centering the page within the window in the other
* dimension.
*/
//set to fit - please use full paths (we do not want in imports as it will break Adobe version)
if(gui!=null){
if(type <0){
//set scaling box to 0 index, which is scale to window
((org.jpedal.examples.viewer.gui.GUI)gui).setSelectedComboIndex(org.jpedal.examples.viewer.Commands.SCALING, type +3);
}else {
//set scaling box to actual scaling value
((org.jpedal.examples.viewer.gui.GUI)gui).setSelectedComboItem(org.jpedal.examples.viewer.Commands.SCALING,type.toString());
}
}
}
final org.jpedal.PdfDecoderFX decode_pdf=(org.jpedal.PdfDecoderFX)this.decode_pdf;
//scroll to 'location'
if (location != null) {
// Display pages=(org.jpedal.display.swing.SingleDisplay) decode_pdf.getExternalHandler(org.jpedal.external.Options.Display);
//
// double scaling = decode_pdf.getScaling();
// double x = ((decode_pdf.getPdfPageData().getMediaBoxWidth(page) - ((Rectangle)location).getX())*scaling) + pages.getXCordForPage(page);
// double y = ((decode_pdf.getPdfPageData().getCropBoxHeight(page) - ((Rectangle)location).getY())*scaling) + pages.getYCordForPage(page);
//
// location = new Rectangle((int)x, (int)y, (int)decode_pdf.getVisibleRect().getWidth(), (int)decode_pdf.getVisibleRect().getHeight());
//
// decode_pdf.scrollRectToVisible((Rectangle) location);
}
final GUIFactory javaFXGUI=((GUIFactory)decode_pdf.getExternalHandler(Options.GUIContainer));
if(javaFXGUI!=null){
javaFXGUI.scaleAndRotate();
if(storeView) {
javaFXGUI.getCommand().executeCommand(Commands.ADDVIEW, new Object[]{page, location, type});
}
}
// decode_pdf.revalidate();
// decode_pdf.repaint();
}
@Override
public Object setHoverCursor(){
return new EventHandler(){
@Override public void handle(final MouseEvent event) {
if(event.getEventType().equals(MouseEvent.MOUSE_ENTERED)){
setCursor(MOUSEENTERED);
}else if (event.getEventType().equals(MouseEvent.MOUSE_EXITED)){
setCursor(MOUSEEXITED);
}
}
};
}
@Override
protected void setCursor(final int eventType) {
final org.jpedal.PdfDecoderFX decode_pdf = (org.jpedal.PdfDecoderFX) this.decode_pdf;
if (decode_pdf == null) {
//do nothing
} else if (eventType == ActionHandler.MOUSEENTERED) {
if (GUIDisplay.allowChangeCursor) {
decode_pdf.setCursor(javafx.scene.Cursor.HAND);
}
} else if (eventType == ActionHandler.MOUSEEXITED && GUIDisplay.allowChangeCursor) {
decode_pdf.setCursor(javafx.scene.Cursor.DEFAULT);
}
}
@Override
protected void popup(final Object raw, final FormObject formObj, final PdfObjectReader currentPdfFile) {
if (((MouseEvent)raw).getClickCount() == 2) {
//find the popup dictionary so we can get the ref (we do this to get the ref so we can lookup)
final FormObject popupObj= (FormObject) formObj.getDictionary(PdfDictionary.Popup);
currentPdfFile.checkResolved(popupObj);
//use the ref to lookup the actual instance where the gui comp will be stored in
final FormObject decodedObj= this.acrorend.getFormObject(popupObj.getObjectRefAsString());
//if it exists toggle on/off
final Object comp=decodedObj.getGUIComponent();
if(comp!=null){
//and we need a seperate popup for each field.
final Node popup = (Node)comp;
if (popup.isVisible()) {
popup.setVisible(false);
} else {
popup.setVisible(true);
}
}
//move focus so that the button does not flash
// ((Button)((MouseEvent)raw).getSource()).setFocusable(false);
}
}
/**
* V action when fields value is changed [javascript], validate
*/
@Override
public void V(final Object ex, final FormObject formObj, final int actionID) {
if (showMethods) {
System.out.println("DefaultActionHandler.V()");
}
javascript.execute(formObj, PdfDictionary.V, actionID, getKeyPressed(ex));
}
/**
* when user types a keystroke
* K action on - [javascript]
* keystroke in textfield or combobox
* modifys the list box selection
* (can access the keystroke for validity and reject or modify)
*/
@Override
public int K(final Object ex, final FormObject formObj, final int actionID) {
if (showMethods) {
System.out.println("DefaultActionHandler.K()");
}
return javascript.execute(formObj, PdfDictionary.K, actionID,getKeyPressed(ex));
}
/**
* pick up key press or return ' '
*/
public static char getKeyPressed(final Object raw) {
try{
if (raw instanceof KeyEvent){
return ((KeyEvent) raw).getCharacter().charAt(0);
}else{
return ' ';
}
}catch(final Exception ee){
System.out.println("Exception "+ee);
}
return ' ';
}
@Override
protected void showSig(final PdfObject sigObject) {
//org.jpedal.PdfDecoderFX decode_pdf = (org.jpedal.PdfDecoderFX) this.decode_pdf;
final Stage frame = new Stage();
final JavaFXSummary summary = new JavaFXSummary(frame,sigObject);
summary.setValues(sigObject.getTextStreamValue(PdfDictionary.Name),
sigObject.getTextStreamValue(PdfDictionary.Reason),
sigObject.getTextStreamValue(PdfDictionary.Location));
System.out.println("Name : " + sigObject.getTextStreamValue(PdfDictionary.Name));
System.out.println("Reason :" + sigObject.getTextStreamValue(PdfDictionary.Reason));
System.out.println("Location :" + sigObject.getTextStreamValue(PdfDictionary.Location));
final Scene scene = new Scene(summary);
frame.setScene(scene);
frame.setScene(scene);
frame.show();
// Swing code
// org.jpedal.PdfDecoder decode_pdf = (org.jpedal.PdfDecoder) this.decode_pdf;
//
// JDialog frame = new JDialog(getParentJFrame(decode_pdf), "Signature Properties", true);
//
// Summary summary = new Summary(frame, sigObject);
// summary.setValues(sigObject.getTextStreamValue(PdfDictionary.Name),
// sigObject.getTextStreamValue(PdfDictionary.Reason),
// sigObject.getTextStreamValue(PdfDictionary.Location));
//
// frame.getContentPane().add(summary);
// frame.setSize(550, 220);
// frame.setLocationRelativeTo(null);
// frame.setVisible(true);
}
}