org.jpedal.objects.acroforms.actions.JavaFXDefaultActionHandler Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2015 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.*;
import org.jpedal.examples.viewer.Commands;
import org.jpedal.examples.viewer.gui.JavaFxGUI;
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 DefaultActionHandler {
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 = ((org.jpedal.examples.viewer.gui.GUI) 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) {
//tell user and log
if(LogWriter.isOutput()) {
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) {
//tell user and log
if(LogWriter.isOutput()) {
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=((JavaFxGUI)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();
//
}
}
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