/*
* Copyright (c) 1997-2019 IDRsolutions (https://www.idrsolutions.com)
*/
package org.jpedal.examples.viewer;
import org.jpedal.PdfDecoderInt;
import org.jpedal.display.Display;
import org.jpedal.examples.viewer.commands.AccelerationOff;
import org.jpedal.examples.viewer.commands.AccelerationOn;
import org.jpedal.examples.viewer.commands.AlwaysShowMouse;
import org.jpedal.examples.viewer.commands.AutoScroll;
import org.jpedal.examples.viewer.commands.BitMap;
import org.jpedal.examples.viewer.commands.Bookmark;
import org.jpedal.examples.viewer.commands.Buy;
import org.jpedal.examples.viewer.commands.Cascade;
import org.jpedal.examples.viewer.commands.ChangeLineArt;
import org.jpedal.examples.viewer.commands.Continuous;
import org.jpedal.examples.viewer.commands.ContinuousFacing;
import org.jpedal.examples.viewer.commands.Copy;
import org.jpedal.examples.viewer.commands.CurrentPage;
import org.jpedal.examples.viewer.commands.DeSelectAll;
import org.jpedal.examples.viewer.commands.DeletePropertiesOnExit;
import org.jpedal.examples.viewer.commands.DocInfo;
import org.jpedal.examples.viewer.commands.Exit;
import org.jpedal.examples.viewer.commands.ExtractSelectionAsImage;
import org.jpedal.examples.viewer.commands.ExtractText;
import org.jpedal.examples.viewer.commands.Facing;
import org.jpedal.examples.viewer.commands.Find;
import org.jpedal.examples.viewer.commands.FullScreen;
import org.jpedal.examples.viewer.commands.Help;
import org.jpedal.examples.viewer.commands.Highlight;
import org.jpedal.examples.viewer.commands.Info;
import org.jpedal.examples.viewer.commands.MouseModeCommand;
import org.jpedal.examples.viewer.commands.NavigateDocuments;
import org.jpedal.examples.viewer.commands.NextResults;
import org.jpedal.examples.viewer.commands.OpenFile;
import org.jpedal.examples.viewer.commands.OpenInSystemDefault;
import org.jpedal.examples.viewer.commands.PageCount;
import org.jpedal.examples.viewer.commands.PageFlow;
import org.jpedal.examples.viewer.commands.PageGrouping;
import org.jpedal.examples.viewer.commands.PageNavigator;
import org.jpedal.examples.viewer.commands.PanMode;
import org.jpedal.examples.viewer.commands.Preferences;
import org.jpedal.examples.viewer.commands.PreviousResult;
import org.jpedal.examples.viewer.commands.Print;
import org.jpedal.examples.viewer.commands.ReplaceTextColor;
import org.jpedal.examples.viewer.commands.Reset;
import org.jpedal.examples.viewer.commands.Rotation;
import org.jpedal.examples.viewer.commands.RotationLeft;
import org.jpedal.examples.viewer.commands.RotationRight;
import org.jpedal.examples.viewer.commands.SaveFile;
import org.jpedal.examples.viewer.commands.SaveForm;
import org.jpedal.examples.viewer.commands.Scaling;
import org.jpedal.examples.viewer.commands.Scroll;
import org.jpedal.examples.viewer.commands.SelectAll;
import org.jpedal.examples.viewer.commands.SeperateCover;
import org.jpedal.examples.viewer.commands.SetDisplayBackground;
import org.jpedal.examples.viewer.commands.SetEnhanceFractionalLines;
import org.jpedal.examples.viewer.commands.SetPageColor;
import org.jpedal.examples.viewer.commands.SetReplacementThreshold;
import org.jpedal.examples.viewer.commands.SetTextColor;
import org.jpedal.examples.viewer.commands.SetUndrawnPageColor;
import org.jpedal.examples.viewer.commands.ShowFormNames;
import org.jpedal.examples.viewer.commands.Single;
import org.jpedal.examples.viewer.commands.Text;
import org.jpedal.examples.viewer.commands.TextSelect;
import org.jpedal.examples.viewer.commands.Tile;
import org.jpedal.examples.viewer.commands.Tip;
import org.jpedal.examples.viewer.commands.UpdateGUILayout;
import org.jpedal.examples.viewer.commands.ViewStack;
import org.jpedal.examples.viewer.commands.VisitWebsite;
import org.jpedal.examples.viewer.commands.Snapshot;
import org.jpedal.examples.viewer.commands.ZoomIn;
import org.jpedal.examples.viewer.commands.ZoomOut;
import org.jpedal.examples.viewer.gui.SwingGUI;
import org.jpedal.examples.viewer.gui.popups.SaveImage;
import org.jpedal.examples.viewer.gui.swing.SearchList;
import org.jpedal.examples.viewer.gui.swing.SwingSearchWindow;
import org.jpedal.examples.viewer.gui.swing.SwingThumbnailPanel;
import org.jpedal.examples.viewer.utils.Exporter;
import org.jpedal.examples.viewer.utils.Printer;
import org.jpedal.examples.viewer.utils.PropertiesFile;
import org.jpedal.external.JPedalActionHandler;
import org.jpedal.external.Options;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
import javax.swing.JOptionPane;
import java.awt.Rectangle;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;
/**
* <h2><b>Commands</b></h2>
* <br>
* <p>This class contains code to execute the actual commands :
* <a href="https://support.idrsolutions.com/hc/en-us/articles/115003973189-Access-PDF-Viewer-features-from-your-code">Access PDF Viewer features from your code.</a></p>
*/
@SuppressWarnings("WeakerAccess")
public class Commands {
/**
* used to store the IE views so we can go back to previous views and store changes
*/
protected final ViewStack viewStack = new ViewStack();
public boolean extractingAsImage;
private final Printer currentPrinter;
//0-50 handled in executeMenuBarCommands(final int ID, Object[] args)
public static final int ABOUT = 1;
public static final int BITMAP = 2;
public static final int IMAGES = 3;
public static final int TEXT = 4;
public static final int SAVE = 5;
public static final int PRINT = 6;
public static final int EXIT = 7;
public static final int AUTOSCROLL = 8;
public static final int DOCINFO = 9;
public static final int OPENFILE = 10;
public static final int BOOKMARK = 11;
public static final int FIND = 12;
public static final int SNAPSHOT = 13;
public static final int OPENURL = 14;
public static final int VISITWEBSITE = 15;
public static final int PREVIOUSDOCUMENT = 16;
public static final int NEXTDOCUMENT = 17;
public static final int PREVIOUSRESULT = 18;
public static final int NEXTRESULT = 19;
public static final int TIP = 20;
public static final int CASCADE = 21;
public static final int TILE = 22;
//public static final int UPDATE = 23;
public static final int PREFERENCES = 24;
public static final int COPY = 25;
public static final int SELECTALL = 26;
public static final int DESELECTALL = 27;
public static final int UPDATEGUILAYOUT = 28;
public static final int MOUSEMODE = 29;
public static final int PANMODE = 30;
public static final int TEXTSELECT = 31;
public static final int SEPARATECOVER = 32;
public static final int EXTRACTTEXT = 33;
public static final int EXTRACTASIMAGE = 34;
public static final int ROTATELEFT = 35;
public static final int ROTATERIGHT = 36;
public static final int OPENINSYSTEMDEFAULT = 37;
//0-49 handled in executeMenuBarCommands(final int ID, Object[] args)
//50-249 handled in executeDisplayCommands(final int ID, Object[] args)
public static final int FIRSTPAGE = 50;
public static final int FBACKPAGE = 51;
public static final int BACKPAGE = 52;
public static final int FORWARDPAGE = 53;
public static final int FFORWARDPAGE = 54;
public static final int LASTPAGE = 55;
public static final int GOTO = 56;
public static final int SINGLE = 57;
public static final int CONTINUOUS = 58;
public static final int CONTINUOUS_FACING = 59;
public static final int FACING = 60;
public static final int PAGEFLOW = 61;
public static final int FULLSCREEN = 62;
public static final int ZOOMIN = 63;
public static final int ZOOMOUT = 64;
public static final int PORTFOLIO_DETAIL = 65;
public static final int PORTFOLIO_TILES = 66;
//50-249 handled in executeDisplayCommands(final int ID, Object[] args)
//250-299 handled in executeComboCommands(final int ID, Object[] args)
//combo boxes start at 250
public static final int ROTATION = 251;
public static final int SCALING = 252;
//250-299 handled in executeComboCommands(final int ID, Object[] args)
//300-499 not handled here
public static final int CURRENTMENU = 300;
public static final int CONTENTMENU = 304;
public static final int PDFMENU = 306;
public static final int EXPORTMENU = 307;
public static final int WINDOWMENU = 308;
public static final int PAGELAYOUTMENU = 309;
public static final int EDITMENU = 310;
public static final int GOTOMENU = 311;
public static final int VIEWMENU = 312;
public static final int RESAVEASFORM = 315;
public static final int OPENMENU = 316;
public static final int FILEMENU = 317;
public static final int HELPFORUM = 318;
public static final int PORTFOLIOMENU = 319;
//300-499 not handled here
// external/itext menu options start at 500 - add your own CONSTANT here
// and refer to action using name at ALL times
//500-599 (existing values) handled in executeExternalCommands(final int ID, Object[] args)
public static final int SAVEFORM = 500;
//public static final int NEWFUNCTION = 513;
//500-599 (existing values) handled in executeExternalCommands(final int ID, Object[] args)
//600-699 handled in executePageCommands(final int ID, Object[] args)
public static final int HIGHLIGHT = 600;
public static final int SCROLL = 601;
//600-699 handled in executePageCommands(final int ID, Object[] args)
//700-899 handled in executeViewerFunctionalityCommands(final int ID, Object[] args)
// commands for the forward and back tracking of views, ie when a page changes
public static final int ADDVIEW = 700, FORWARD = 701, BACK = 702, PAGECOUNT = 703, CURRENTPAGE = 704;
public static final int GETOUTLINEPANEL = 705;
public static final int GETTHUMBNAILPANEL = 706;
public static final int GETPAGECOUNTER = 707;
public static final int PAGEGROUPING = 708;
public static final int SETPAGECOLOR = 709;
public static final int SETUNDRAWNPAGECOLOR = 710;
public static final int REPLACETEXTCOLOR = 711;
public static final int SETTEXTCOLOR = 712;
public static final int CHANGELINEART = 713;
public static final int SETDISPLAYBACKGROUND = 714;
public static final int SETREPLACEMENTCOLORTHRESHOLD = 715;
public static final int SETENHANCEFRACTIONALLINES = 717;
//700-899 handled in executeViewerFunctionalityCommands(final int ID, Object[] args)
//997-999 handled in executeDemoVersionCommands(final int ID, Object[] args)
public static final int HELP = 998;
public static final int BUY = 999;
//997-999 handled in executeDemoVersionCommands(final int ID, Object[] args)
//>=1000 handled in executeDebugCommands(final int ID, Object[] args)
//public static final int TOGGLE = 1_000;
public static final int RESET = 1_002;
public static final int ACCELERATIONON = 1_003;
public static final int ACCELERATIONOFF = 1_004;
public static final int SHOWFORMNAMES = 1_006;
public static final int DELETEPROPERTIESONEXIT = 1_007;
public static final int ALWAYSSHOWMOUSE = 1_008;
//>=1000 handled in executeDebugCommands(final int ID, Object[] args)
//status values returned by command
public static final Integer FIRST_DOCUMENT_SEARCH_RESULT_NOW_SHOWN = 1;
public static final Integer SEARCH_RETURNED_TO_START = 2;
public static final Integer SEARCH_NOT_FOUND = 3;
protected final Values commonValues;
protected final SwingGUI currentGUI;
protected final PdfDecoderInt decode_pdf;
protected final SwingThumbnailPanel thumbnails;
protected final PropertiesFile properties;
protected final SwingSearchWindow searchFrame;
/**
* tracks mouse operation mode currently selected
*/
protected final MouseMode mouseMode = new MouseMode();
public Commands(final Values commonValues, final SwingGUI currentGUI, final PdfDecoderInt decode_pdf, final SwingThumbnailPanel thumbnails,
final PropertiesFile properties, final SwingSearchWindow searchFrame) {
this.commonValues = commonValues;
this.currentGUI = currentGUI;
this.decode_pdf = decode_pdf;
this.thumbnails = thumbnails;
this.properties = properties;
this.searchFrame = searchFrame;
//Define printer here as it is only required for the Swing Viewer
currentPrinter = new Printer();
}
/**
* main routine which executes code for current command
* <p>
* Values can also be passed in so it can be called from your own code
* <p>
* some commands return a status Object otherwise null
*
* @param ID is of type Int
* @param args Program arguments passed into the Viewer.
* @return the status object
*/
public Object executeCommand(final int ID, Object[] args) {
//teat null and Object[]{null} as both null
if (args != null && args.length == 1 && args[0] == null) {
args = null;
}
final Map<Integer, Object> jpedalActionHandlers = (Map<Integer, Object>) decode_pdf.getExternalHandler(Options.JPedalActionHandlers);
if (jpedalActionHandlers != null) {
final JPedalActionHandler jpedalAction = (JPedalActionHandler) jpedalActionHandlers.get(ID);
if (jpedalAction != null) {
jpedalAction.actionPerformed(currentGUI, this);
return null;
}
}
Object status = null;
if (ID < FIRSTPAGE) {
status = executeMenuBarCommands(ID, args);
} else if (ID < ROTATION) {
executeDisplayCommands(ID, args);
} else if (ID < CURRENTMENU) {
executeComboCommands(ID, args);
} else if (ID < SAVEFORM) {
//These options do nothing at the moment
} else if (ID < HIGHLIGHT) {
executeExternalCommands(ID, args);
} else if (ID < ADDVIEW) {
executePageCommands(ID, args);
} else if (ID < 997) {
status = executeViewerFunctionalityCommands(ID, args);
} else if (ID < 1_000) { //Use hard coded value for a debug value remvoed during build
executeDemoVersionCommands(ID, args);
} else {
executeDebugCommands(ID, args);
}
return status;
}
public void handleTransferedFile(final String file) {
//Before anything handle any unsaved forms
SaveFile.handleUnsaveForms(currentGUI, commonValues);
while (Values.getOpeningTransferedFile() || Values.isProcessing()) {
try {
Thread.sleep(250);
} catch (final InterruptedException e) {
e.printStackTrace();
}
}
Values.setOpeningTransferedFile(true);
final boolean isURL = file.startsWith("http:") || file.startsWith("file:");
try {
if (!isURL) {
commonValues.setFileIsURL(false);
commonValues.setFileSize(new File(file).length() >> 10);
} else {
commonValues.setFileIsURL(true);
}
commonValues.setSelectedFile(file);
currentGUI.setViewerTitle(null);
} catch (final Exception e) {
LogWriter.writeLog("Exception " + e + " getting paths");
}
// check file exists
final Path testFile;
if (isURL) {
testFile = Paths.get(URI.create(commonValues.getSelectedFile()));
} else {
testFile = Paths.get(commonValues.getSelectedFile());
}
if (!isURL && Files.notExists(testFile)) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerFile.text") + commonValues.getSelectedFile() + Messages.getMessage("PdfViewerNotExist"));
} else if (commonValues.getSelectedFile() != null && !Values.isProcessing()) {
openTransferedFile();
if (commonValues.isPDF()) {
Values.setOpeningTransferedFile(false);
}
}
}
public void recentDocumentsOption() {
currentGUI.setRecentDocument();
final String[] recentDocs = properties.getRecentDocuments();
if (recentDocs == null) {
return;
}
for (int i = 0; i < PropertiesFile.getNoRecentDocumentsToDisplay(); i++) {
if (recentDocs[i] == null) {
recentDocs[i] = "";
}
try {
final String fileNameToAdd = recentDocs[i];
currentGUI.getRecentDocument().createMenuItems(fileNameToAdd, i, currentGUI, commonValues);
} catch (final Exception ee) {
ee.printStackTrace();
}
}
}
/**
* Returns the searchList of the last search preformed.
* If currently searching this method will return the results for last completed search
*
* @return SearchList of all results, all data but the actual highlgiht areas
*/
public SearchList getSearchList() {
return searchFrame.getResults();
}
public MouseMode getMouseMode() {
return mouseMode;
}
/**
* examine first few bytes to see if linearized and return true linearized file
*
* @param pdfUrl is of type String
* @return the isLinear
*/
public static final boolean isPDFLinearized(final String pdfUrl) {
if (pdfUrl.startsWith("jar")) {
return false;
}
boolean isLinear = false;
//read first few bytes
try (InputStream is = new URL(pdfUrl).openStream()) {
//final String filename = url.getPath().substring(url.getPath().lastIndexOf('/')+1);
// Download buffer
final byte[] buffer = new byte[128];
is.read(buffer);
is.close();
//test if linearized
//scan for Linearized in text
final int len = buffer.length;
for (int i = 0; i < len; i++) {
if (buffer[i] == '/' && buffer[i + 1] == 'L' && buffer[i + 2] == 'i' && buffer[i + 3] == 'n' && buffer[i + 4] == 'e' && buffer[i + 5] == 'a' && buffer[i + 6] == 'r') {
isLinear = true;
i = len;
}
}
} catch (final IOException e) {
LogWriter.writeLog("[PDF] Exception " + e + " scanning URL " + pdfUrl);
}
return isLinear;
}
protected void openTransferedFile() {
decode_pdf.flushObjectValues(true);
OpenFile.openFile(commonValues.getSelectedFile(), commonValues, searchFrame, currentGUI,
decode_pdf, properties, thumbnails);
}
@SuppressWarnings("OverlyLongMethod")
private Object executeMenuBarCommands(final int ID, final Object[] args) {
Object status = null;
switch (ID) {
case ABOUT:
Info.execute(args, currentGUI); //Gets the info box
break;
case BITMAP:
BitMap.execute(args, currentGUI, commonValues, decode_pdf);
break;
case IMAGES:
saveImage(args, currentGUI, commonValues, decode_pdf);
break;
case TEXT:
Text.execute(args, currentGUI, commonValues, decode_pdf);
break;
case SAVE:
SaveFile.execute(args, currentGUI, commonValues);
break;
case PRINT:
Print.execute(args, currentGUI, commonValues, properties, currentPrinter, decode_pdf);
break;
case EXIT:
Exit.execute(args, thumbnails, currentGUI, commonValues, decode_pdf, properties);
break;
case AUTOSCROLL:
AutoScroll.execute(args, currentGUI);
break;
case DOCINFO:
DocInfo.execute(args, currentGUI, commonValues, decode_pdf);
break;
case OPENFILE:
OpenFile.executeOpenFile(args, commonValues, searchFrame, currentGUI,
decode_pdf, properties, thumbnails);
break;
case BOOKMARK:
Bookmark.execute(args, currentGUI);
break;
case FIND:
Find.execute(args, commonValues, currentGUI, decode_pdf, searchFrame);
break;
case SNAPSHOT:
status = Snapshot.execute(args, currentGUI, decode_pdf, extractingAsImage);
//we need to sync value
extractingAsImage = (Boolean) status;
break;
case OPENURL:
OpenFile.executeOpenURL(args, commonValues, searchFrame, currentGUI,
decode_pdf, properties, thumbnails);
break;
case VISITWEBSITE:
VisitWebsite.execute(args, currentGUI);
break;
case PREVIOUSDOCUMENT:
NavigateDocuments.executePrevDoc(args, currentGUI);
break;
case NEXTDOCUMENT:
NavigateDocuments.executeNextDoc(args, currentGUI);
break;
case PREVIOUSRESULT:
status = PreviousResult.execute(args, commonValues, currentGUI, decode_pdf, searchFrame);
break;
case NEXTRESULT:
status = NextResults.execute(args, commonValues, searchFrame, currentGUI, decode_pdf);
break;
case TIP:
Tip.execute(args, currentGUI, properties);
break;
case CASCADE:
Cascade.execute(args, currentGUI);
break;
case TILE:
Tile.execute(args, currentGUI);
break;
//case UPDATE: break;
case PREFERENCES:
Preferences.execute(args, currentGUI);
break;
case COPY:
Copy.execute(currentGUI, decode_pdf, commonValues);
break;
case SELECTALL:
SelectAll.execute(currentGUI, decode_pdf, commonValues);
break;
case DESELECTALL:
DeSelectAll.execute(currentGUI, decode_pdf);
break;
case UPDATEGUILAYOUT:
UpdateGUILayout.execute(args, currentGUI);
break;
case MOUSEMODE:
MouseModeCommand.execute(args, currentGUI, mouseMode, decode_pdf);
break;
case PANMODE:
PanMode.execute(args, currentGUI, mouseMode, decode_pdf);
break;
case TEXTSELECT:
TextSelect.execute(args, currentGUI, mouseMode);
break;
case SEPARATECOVER:
SeperateCover.execute(args, decode_pdf, properties, currentGUI, commonValues);
break;
case EXTRACTTEXT:
ExtractText.execute(args, currentGUI, decode_pdf, commonValues);
break;
case EXTRACTASIMAGE:
ExtractSelectionAsImage.execute(commonValues, currentGUI, decode_pdf);
break;
case ROTATELEFT:
RotationLeft.execute(currentGUI, commonValues);
break;
case ROTATERIGHT:
RotationRight.execute(currentGUI, commonValues);
break;
case OPENINSYSTEMDEFAULT:
OpenInSystemDefault.execute(args, currentGUI, commonValues);
break;
}
return status;
}
private void executeDisplayCommands(final int ID, final Object[] args) {
switch (ID) {
case FIRSTPAGE:
PageNavigator.goFirstPage(args, commonValues, decode_pdf, currentGUI);
break;
case FBACKPAGE:
PageNavigator.goFBackPage(args, commonValues, decode_pdf, currentGUI);
break;
case BACKPAGE:
PageNavigator.goBackPage(args, commonValues, decode_pdf, currentGUI);
break;
case FORWARDPAGE:
PageNavigator.goForwardPage(args, commonValues, decode_pdf, currentGUI);
break;
case FFORWARDPAGE:
PageNavigator.goFForwardPage(args, commonValues, decode_pdf, currentGUI);
break;
case LASTPAGE:
PageNavigator.goLastPage(args, commonValues, decode_pdf, currentGUI);
break;
case GOTO:
PageNavigator.goPage(args, currentGUI, commonValues, decode_pdf);
break;
case SINGLE:
Single.execute(args, decode_pdf, currentGUI);
TextSelect.execute(args, currentGUI, mouseMode); //Enable text selection
break;
case CONTINUOUS:
Continuous.execute(decode_pdf, currentGUI, args);
PanMode.execute(args, currentGUI, mouseMode, decode_pdf); //Enables Panning of document
break;
case CONTINUOUS_FACING:
ContinuousFacing.execute(args, decode_pdf, currentGUI, commonValues);
PanMode.execute(args, currentGUI, mouseMode, decode_pdf); //Enables Panning of document
break;
case FACING:
Facing.execute(args, decode_pdf, currentGUI, commonValues);
PanMode.execute(args, currentGUI, mouseMode, decode_pdf); //Enables Panning of document
break;
case PAGEFLOW:
PageFlow.execute(args, currentGUI, commonValues, decode_pdf, properties, searchFrame);
break;
case FULLSCREEN:
FullScreen.execute(args, currentGUI, thumbnails, commonValues, decode_pdf, properties);
break;
case ZOOMIN:
ZoomIn.execute(args, currentGUI, decode_pdf);
break;
case ZOOMOUT:
ZoomOut.execute(args, currentGUI, decode_pdf);
break;
case PORTFOLIO_DETAIL:
currentGUI.setDisplayView(Display.PORTFOLIO_DETAIL, Display.DISPLAY_CENTERED);
break;
case PORTFOLIO_TILES:
currentGUI.setDisplayView(Display.PORTFOLIO_TILE, Display.DISPLAY_CENTERED);
break;
}
}
private void executeDemoVersionCommands(final int ID, final Object[] args) {
switch (ID) {
case HELP:
Help.execute(args, currentGUI); //gets the help box
break;
case BUY:
Buy.execute(args, currentGUI); //takes user to pricing page
break;
}
}
private void executeComboCommands(final int ID, final Object[] args) {
switch (ID) {
case SCALING:
Scaling.execute(args, commonValues, decode_pdf, currentGUI, viewStack);
break;
case ROTATION:
Rotation.execute(args, currentGUI, commonValues);
break;
}
}
private void executeExternalCommands(final int ID, final Object[] args) {
if (ID == SAVEFORM) {
SaveForm.execute(args, currentGUI, decode_pdf, commonValues);
}
}
private void executePageCommands(final int ID, final Object[] args) {
switch (ID) {
case HIGHLIGHT:
Highlight.execute(args, decode_pdf);
break;
case SCROLL:
Scroll.execute(args, commonValues, decode_pdf);
break;
}
}
private Object executeViewerFunctionalityCommands(final int ID, final Object[] args) {
Object status = null;
switch (ID) {
case ADDVIEW:
viewStack.add((Integer) args[0], (Rectangle) args[1], (Integer) args[2]);
break;
case FORWARD:
//go forward to next viewed location
if (viewStack.forward() != null) {
decode_pdf.getFormRenderer().getActionHandler().changeTo(null, viewStack.forward().getPage(),
viewStack.forward().getLocation(), viewStack.forward().getType(), false);
}
break;
case BACK:
//go back to last viewed location
if (viewStack.back() != null) {
decode_pdf.getFormRenderer().getActionHandler().changeTo(null, viewStack.back().getPage(),
viewStack.back().getLocation(), viewStack.back().getType(), false);
}
break;
case PAGECOUNT:
status = PageCount.execute(decode_pdf);
break;
case CURRENTPAGE:
status = CurrentPage.execute(decode_pdf, currentGUI);
break;
case GETOUTLINEPANEL:
//ensure setup
currentGUI.setBookmarks(true);
status = currentGUI.getOutlinePanel();
break;
case GETTHUMBNAILPANEL:
//ensure setup
currentGUI.setBookmarks(true);
status = currentGUI.getThumbnailPanel();
break;
case GETPAGECOUNTER:
status = currentGUI.getPageCounter(SwingGUI.PageCounter.PAGECOUNTER2);
break;
case PAGEGROUPING:
status = PageGrouping.execute(args, decode_pdf); //Group Pages
break;
case SETPAGECOLOR:
SetPageColor.execute(args, decode_pdf);
break;
case SETUNDRAWNPAGECOLOR:
SetUndrawnPageColor.execute(args, decode_pdf);
break;
case REPLACETEXTCOLOR:
ReplaceTextColor.execute(args, decode_pdf);
break;
case SETTEXTCOLOR:
SetTextColor.execute(args, decode_pdf);
break;
case CHANGELINEART:
ChangeLineArt.execute(args, decode_pdf);
break;
case SETDISPLAYBACKGROUND:
SetDisplayBackground.execute(args, decode_pdf);
break;
case SETREPLACEMENTCOLORTHRESHOLD:
SetReplacementThreshold.execute(args, decode_pdf);
break;
case SETENHANCEFRACTIONALLINES: //Used for JavaFX Netbeans PDF Viewer Plugin.
SetEnhanceFractionalLines.execute(args, decode_pdf);
break;
}
return status;
}
private void executeDebugCommands(final int ID, final Object[] args) {
switch (ID) {
case RESET:
Reset.execute(args, commonValues);
break;
case ACCELERATIONON:
AccelerationOn.execute(args, decode_pdf);
break;
case ACCELERATIONOFF:
AccelerationOff.execute(args, decode_pdf);
break;
case SHOWFORMNAMES:
ShowFormNames.execute(args, decode_pdf);
break;
case DELETEPROPERTIESONEXIT:
DeletePropertiesOnExit.execute(args);
break;
case ALWAYSSHOWMOUSE:
AlwaysShowMouse.execute(args);
break;
}
}
private static void saveImage(final Object[] args, final SwingGUI currentGUI, final Values commonValues,
final PdfDecoderInt decode_pdf) {
if (args == null) {
if (commonValues.getSelectedFile() == null) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewer.NoFile"));
} else {
// get values from user
final SaveImage current_selection = new SaveImage(commonValues.getInputDir(),
commonValues.getPageCount(), commonValues.getCurrentPage());
final int userChoice = current_selection.display(currentGUI.getFrame(),
Messages.getMessage("PdfViewerTitle.SaveImagesFromPageRange"));
// get parameters and call if YES
if (commonValues.getFileIsURL()) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerMessage.CannotExportFromURL"));
} else if (userChoice == JOptionPane.OK_OPTION) {
final Exporter exporter = new Exporter(currentGUI, commonValues.getSelectedFile(), decode_pdf);
exporter.extractImagesOnPages(current_selection);
}
}
}
}
}
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