org.jpedal.examples.viewer.gui.javafx.JavaFXSearchWindow 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
*
* ---------------
* JavaFXSearchWindow.java
* ---------------
*/
package org.jpedal.examples.viewer.gui.javafx;
import java.util.*;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Cursor;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import org.jpedal.PdfDecoderInt;
import org.jpedal.display.GUIDisplay;
import org.jpedal.examples.viewer.Commands;
import org.jpedal.examples.viewer.Values;
import org.jpedal.examples.viewer.gui.GUI;
import org.jpedal.examples.viewer.gui.JavaFxGUI;
import org.jpedal.examples.viewer.gui.generic.GUISearchList;
import org.jpedal.examples.viewer.gui.generic.GUISearchWindow;
import org.jpedal.grouping.DefaultSearchListener;
import org.jpedal.grouping.PdfGroupingAlgorithms;
import org.jpedal.grouping.SearchListener;
import org.jpedal.grouping.SearchType;
import org.jpedal.gui.GUIFactory;
import org.jpedal.objects.PdfPageData;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
import org.jpedal.utils.repositories.generic.Vector_Rectangle_Int;
/**
* Provides interactive search Window and search capabilities.
*
* We extend from Stage to add search into the left side-tab or
* to pop open a search window when either
* style==SEARCH_EXTERNAL_WINDOW || style==SEARCH_TABBED_PANE
* search style can be controlled from Viewer preferences.
*/
public class JavaFXSearchWindow extends Stage implements GUISearchWindow {
/*Flag to show search has happened and needs reset*/
public boolean hasSearched;
/*flag to show searching taking place*/
public boolean isSearch;
int firstPageWithResults;
int searchTypeParameters;
private int style;
Values commonValues;
final GUIFactory currentGUI;
PdfDecoderInt decode_pdf;
/*flag to stop multiple listeners*/
private boolean isSetup;
boolean usingMenuBarSearch;
private boolean endSearch;
private boolean backGroundSearch;
private Map searchAreas;
VBox contentVB = new VBox();
private int searchKey;
private Thread searchThread;
private final Runnable searchRunner = new Runnable() {
@Override
public void run() {
resultsList.setStatus(GUISearchList.SEARCH_INCOMPLETE);
final boolean searchingInBackground = backGroundSearch;
//Now local variable is set we can turn off global variable
backGroundSearch = false;
final int currentKey = searchKey;
try{
// [AWI]: Create a new list model to append the search results to
// NOTE: This was added to prevent a deadlock issue that occurred on the
// EDT when the search resulted in a large number of hits
final ObservableList resultListModel;
if(updateListDuringSearch) {
resultListModel = listModel;
} else {
resultListModel = FXCollections.observableArrayList();
}
int start = 1;
int end = decode_pdf.getPageCount()+1;
if(singlePageSearch){
start = decode_pdf.getPageNumber();
end = start+1;
}
//Create new value as this current page could change half way through a search
final int currentPage = commonValues.getCurrentPage();
int page;
boolean continueSearch = true;
for(; start!=end; start++){
if(usingMenuBarSearch){
//When using menu bar, break from loop if result found
if(resultsList.getResultCount()>=1){
break;
}
page = currentPage+(start-1);
if(page>commonValues.getPageCount()) {
page -= commonValues.getPageCount();
}
}else{
page = start;
}
if(searchAreas!=null){
final int[][] highlights = (int[][])searchAreas.get(page);
if(highlights!=null){
for(int i = highlights.length-1; i>-1; i--){
final int[] a = highlights[i];
//[AWI]: Update the search method to take the target list model as a parameter
continueSearch = searchPage(page, a[0], a[1], a[0]+a[2], a[1]+a[3], currentKey, resultListModel);
}
}
}else{
continueSearch = searchPage(page, currentKey, resultListModel);
}
if(!continueSearch) {
break;
}
// new value or 16 pages elapsed
if (!searchingInBackground && (!resultListModel.isEmpty()) | ((page % 16) == 0)) {
final int pp = page;
Platform.runLater(new Runnable() {
@Override
public void run() {
searchCount.setText(Messages.getMessage("PdfViewerSearch.ItemsFound") + ' ' + itemFoundCount + ' '
+ Messages.getMessage("PdfViewerSearch.Scanning") + pp);
}
});
}
}
if(!searchingInBackground){
Platform.runLater(new Runnable() {
@Override
public void run() {
searchCount.setText(Messages.getMessage("PdfViewerSearch.ItemsFound") + ' ' + itemFoundCount + " "
+ Messages.getMessage("PdfViewerSearch.Done"));
}
});
}
if(!usingMenuBarSearch){ //MenuBarSearch freezes if we attempt to wait
//Wait for EDT to catch up and prevent losing results
while(resultListModel.size()!=itemFoundCount){
Thread.sleep(200);
}
}
// [AWI]: Update the list model displayed in the results list
// NOTE: This was added here to address an EDT lock-up and contention issue
// that can occur when a large result set is returned from a search. By
// setting the model once at the end, we only take the hit for updating the
// JList once.
listModel = resultListModel;
Platform.runLater(new Runnable() {
@Override
public void run() {
if ( resultsList != null && listModel != null ) {
resultsList.setItems(listModel);
}
}
});
if(continueSearch){
//resultsList.setLength(listModel.capacity());
Platform.runLater(new Runnable() {
@Override
public void run() {
currentGUI.setResults(resultsList);
resultsList.scrollTo(0);
resultsList.getSelectionModel().clearAndSelect(0);
}
});
}
if(itemFoundCount>0) {
resultsList.setStatus(GUISearchList.SEARCH_COMPLETE_SUCCESSFULLY);
} else {
resultsList.setStatus(GUISearchList.NO_RESULTS_FOUND);
}
//switch on buttons as soon as search produces valid results
if(!searchingInBackground){
Platform.runLater(new Runnable() {
@Override
public void run() {
currentGUI.getButtons().getButton(Commands.NEXTRESULT).setEnabled(true);
currentGUI.getButtons().getButton(Commands.PREVIOUSRESULT).setEnabled(true);
}
});
}
/*
* show time and memory usage
*/
if(GUI.debugFX){
System.out.println("Search memory="+((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / 1000)+ 'K');
// System.out.println("Search time="+(((float) Math.abs(((System.currentTimeMillis() - startTime) / 100))) / 10)+ 's');
System.out.println("Found "+resultsList.getResultCount()+" Search Results");
}
}catch(final Exception e){
e.printStackTrace();
if(!searchingInBackground){
Platform.runLater(new Runnable() {
@Override
public void run() {
currentGUI.getButtons().getButton(Commands.NEXTRESULT).setEnabled(true);
currentGUI.getButtons().getButton(Commands.PREVIOUSRESULT).setEnabled(true);
}
});
}
resultsList.setStatus(GUISearchList.SEARCH_PRODUCED_ERROR);
}
}
};
int lastPage=-1;
String defaultMessage="Search PDF Here";
public boolean requestInterupt;
/*
* deletes message when user starts typing
*/
private boolean deleteOnClick;
final ProgressBar progress = new ProgressBar(100);
TextField searchText;
Label searchCount;
//DefaultListModel listModel;
JavaFXSearchList resultsList;
Button advOpts;
private final VBox nav=new VBox();
private VBox advancedPanel;
private ComboBox searchType;
private CheckBox wholeWordsOnlyBox, caseSensitiveBox, multiLineBox, highlightAll, searchAll, useRegEx, searchHighlightedOnly, ignoreWhiteSpace;
Button searchButton;
ObservableList listModel;
/*Search this page only*/
boolean singlePageSearch;
/*Current Search value*/
String[] searchTerms = {""};
/*number of search items*/
private int itemFoundCount;
final Map textPages=new HashMap();
final Map textRectangles=new HashMap();
public JavaFXSearchWindow(final GUIFactory currentGUI) {
if(GUI.debugFX) {
System.out.println("JavaFXSearchWindow constructor not yet implemented for JavaFX in JavaFXSearchWindow.java");
}
this.currentGUI=currentGUI;
//setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
@Override
public void find(final PdfDecoderInt dec, final Values values) {
// System.out.println("clicked pdf = "+decode_pdf.getClass().getName() + "@" + Integer.toHexString(decode_pdf.hashCode()));
/*
* pop up new window to search text (initialise if required
*/
if(!backGroundSearch){
init(dec, values);
if(style==SEARCH_EXTERNAL_WINDOW) {
this.show();
}
}else{
try {
searchText();
} catch (final Exception e) {
e.printStackTrace();
}
}
}
@Override
public void findWithoutWindow(final PdfDecoderInt dec, final Values values, final int searchType, final boolean listOfTerms, final boolean singlePageOnly, final String searchValue) {
if(!isSearch){
backGroundSearch = true;
isSearch=true;
this.decode_pdf = dec;
this.commonValues = values;
progress.setProgress(0);
progress.setVisible(true);
if(!listOfTerms){ // find exact word or phrase
searchTerms = new String[] {searchValue};
} else { // match any of the words
searchTerms = searchValue.split(" ");
for (int i = 0; i < searchTerms.length; i++) {
searchTerms[i] = searchTerms[i].trim();
}
}
searchTypeParameters = searchType;
singlePageSearch = singlePageOnly;
find(dec, values);
}else{
currentGUI.showMessageDialog("Please wait for search to finish before starting another.");
}
}
@Override
public void grabFocusInInput() {
searchText.requestFocus();
}
@Override
public boolean isSearchVisible() {
return this.isShowing();
}
@Override
public void init(final PdfDecoderInt dec, final Values values) {
this.decode_pdf = dec;
this.commonValues = values;
if (isSetup) { //global variable so do NOT reinitialise
searchCount.setText(Messages.getMessage("PdfViewerSearch.ItemsFound") + ' ' + itemFoundCount);
searchText.selectAll();
//searchText.grabFocus();
} else {
isSetup = true;
setTitle(Messages.getMessage("PdfViewerSearchGUITitle.DefaultMessage"));
defaultMessage = Messages.getMessage("PdfViewerSearchGUI.DefaultMessage");
searchText = new TextField();
//may need to apply line wrap for searchText
searchText.setText(defaultMessage);
searchText.setId("searchText");
/*
* [AWI] Add a focus listener to detect when keyboard input is needed in the search text field. This
* registration was added to support systems configured with touchscreens and virtual keyboards.
*/
//searchText.addFocusListener(new SearchTextFocusListener());
searchButton = new Button(Messages.getMessage("PdfViewerSearch.Button"));
advancedPanel = new VBox();
final ObservableList searchOptions
= FXCollections.observableArrayList(
Messages.getMessage("PdfViewerSearch.MatchWhole"),
Messages.getMessage("PdfViewerSearch.MatchAny")
);
searchType = new ComboBox(searchOptions);
searchType.setValue(searchType.getItems().get(0));
wholeWordsOnlyBox = new CheckBox(Messages.getMessage("PdfViewerSearch.WholeWords"));
wholeWordsOnlyBox.setId("wholeWords");
caseSensitiveBox = new CheckBox(Messages.getMessage("PdfViewerSearch.CaseSense"));
caseSensitiveBox.setId("caseSensitive");
multiLineBox = new CheckBox(Messages.getMessage("PdfViewerSearch.MultiLine"));
multiLineBox.setId("multiLine");
highlightAll = new CheckBox(Messages.getMessage("PdfViewerSearch.HighlightsCheckBox"));
highlightAll.setId("highlightAll");
useRegEx = new CheckBox(Messages.getMessage("PdfViewerSearch.RegExCheckBox"));
useRegEx.setId("useregex");
ignoreWhiteSpace = new CheckBox(Messages.getMessage("PdfViewerSearch.IgnoreWhiteSpace"));
ignoreWhiteSpace.setId("ignoreWhiteSpace");
searchHighlightedOnly = new CheckBox(Messages.getMessage("PdfViewerSearch.HighlightsOnly"));
searchHighlightedOnly.setId("highlightsOnly");
searchType.setId("combo");
advancedPanel.getChildren().add(new Label(Messages.getMessage("PdfViewerSearch.ReturnResultsAs")));
advancedPanel.getChildren().add(searchType);
advancedPanel.getChildren().add(new Label(Messages.getMessage("PdfViewerSearch.AdditionalOptions")));
advancedPanel.getChildren().add(wholeWordsOnlyBox);
advancedPanel.getChildren().add(caseSensitiveBox);
advancedPanel.getChildren().add(multiLineBox);
advancedPanel.getChildren().add(highlightAll);
advancedPanel.getChildren().add(useRegEx);
advancedPanel.getChildren().add(searchHighlightedOnly);
// advancedPanel.getChildren().add(ignoreWhiteSpace);
advancedPanel.setVisible(false);
searchAll = new CheckBox();
searchAll.setSelected(true);
searchAll.setText(Messages.getMessage("PdfViewerSearch.CheckBox"));
final VBox topPanel = new VBox();
topPanel.getChildren().add(searchAll);
advOpts = new Button(Messages.getMessage("PdfViewerSearch.ShowOptions"));
advOpts.setId("advSearch");
advOpts.setOnMouseEntered(new EventHandler() {
@Override
public void handle(final MouseEvent me) {
if (GUIDisplay.allowChangeCursor) {
nav.setCursor(Cursor.HAND);
}
}
});
advOpts.setOnMouseExited(new EventHandler() {
@Override
public void handle(final MouseEvent me) {
if (GUIDisplay.allowChangeCursor) {
nav.setCursor(Cursor.DEFAULT);
}
}
});
advOpts.setOnMouseClicked(new EventHandler() {
boolean isVisible;
@Override
public void handle(final MouseEvent me) {
if (isVisible) {
advOpts.setText(Messages.getMessage("PdfViewerSearch.ShowOptions"));
advancedPanel.setVisible(false);
} else {
advOpts.setText(Messages.getMessage("PdfViewerSearch.HideOptions"));
advancedPanel.setVisible(true);
}
isVisible = !isVisible;
}
});
topPanel.getChildren().add(advOpts);
nav.getChildren().add(topPanel);
final HBox navBox = new HBox();
navBox.getChildren().addAll(searchText, searchButton);
nav.getChildren().add(navBox);
itemFoundCount = 0;
textPages.clear();
textRectangles.clear();
//listModel = null;
searchCount = new Label(Messages.getMessage("PdfViewerSearch.ItemsFound") + ' ' + itemFoundCount);
nav.getChildren().add(searchCount);
listModel = FXCollections.observableArrayList();
listModel = FXCollections.observableArrayList();
resultsList = new JavaFXSearchList(listModel, textPages, textRectangles);
resultsList.setId("results");
/*
* highlight text on item selected
*/
resultsList.getSelectionModel().selectedIndexProperty().addListener(new ChangeListener() {
@Override
public void changed(final ObservableValue ov, final Number t, final Number t1) {
/*
* Only do something on mouse button up, prevents this code
* being called twice on mouse click
*/
if (!Values.isProcessing()) {//{if (!event.getValueIsAdjusting()) {
final float scaling = currentGUI.getScaling();
//int inset=currentGUI.getPDFDisplayInset();
final int id = (Integer)t1;//resultsList.getSelectedIndex();
decode_pdf.getTextLines().clearHighlights();
//System.out.println("clicked pdf = "+decode_pdf.getClass().getName() + "@" + Integer.toHexString(decode_pdf.hashCode()));
if (id != -1) {
final Integer key = id;
final Integer newPage = textPages.get(key);
if (newPage != null) {
final int nextPage = newPage;
//move to new page
if (commonValues.getCurrentPage() != nextPage) {
commonValues.setCurrentPage(nextPage);
currentGUI.resetStatusMessage(Messages.getMessage("PdfViewer.LoadingPage") + ' ' + commonValues.getCurrentPage());
/*
* reset as rotation may change!
*/
decode_pdf.setPageParameters(scaling, commonValues.getCurrentPage());
//decode the page
currentGUI.decodePage();
}
while (Values.isProcessing()) {
//Ensure page has been processed else highlight may be incorrect
try {
Thread.sleep(500);
} catch (final InterruptedException ee) {
ee.printStackTrace();
}
}
/*
* Highlight all search results on page.
*/
if ((searchTypeParameters & SearchType.HIGHLIGHT_ALL_RESULTS) == SearchType.HIGHLIGHT_ALL_RESULTS) {
// PdfHighlights.clearAllHighlights(decode_pdf);
int[][] showAllOnPage;
Vector_Rectangle_Int storageVector = new Vector_Rectangle_Int();
int lastPage = -1;
for (int k = 0; k != resultsList.getItems().size(); k++) {
final Integer page = textPages.get(k);
if (page != null) {
final int currentPage = page;
if (currentPage != lastPage) {
storageVector.trim();
showAllOnPage = storageVector.get();
for (int p = 0; p != showAllOnPage.length; p++) {
System.out.println(Arrays.toString(showAllOnPage[p]));
}
decode_pdf.getTextLines().addHighlights(showAllOnPage, true, lastPage);
lastPage = currentPage;
storageVector = new Vector_Rectangle_Int();
}
final Object highlight = textRectangles.get(k);
if (highlight instanceof int[]) {
storageVector.addElement((int[]) highlight);
}
if (highlight instanceof int[][]) {
final int[][] areas = (int[][]) highlight;
for (int i = 0; i != areas.length; i++) {
storageVector.addElement(areas[i]);
}
}
//decode_pdf.addToHighlightAreas(decode_pdf, storageVector, currentPage);
// }
}
}
storageVector.trim();
showAllOnPage = storageVector.get();
decode_pdf.getTextLines().addHighlights(showAllOnPage, true, lastPage);
} else {
// PdfHighlights.clearAllHighlights(decode_pdf);
final Integer page = textPages.get(key);
final int currentPage = page;
final Vector_Rectangle_Int storageVector = new Vector_Rectangle_Int();
// int[] scroll = null;
final Object highlight = textRectangles.get(key);
if (highlight instanceof int[]) {
storageVector.addElement((int[]) highlight);
//scroll = (int[]) highlight;
}
if (highlight instanceof int[][]) {
final int[][] areas = (int[][]) highlight;
// scroll = areas[0];
for (int i = 0; i != areas.length; i++) {
storageVector.addElement(areas[i]);
}
}
//Scroll.rectToHighlight(scroll, currentPage, decode_pdf);
storageVector.trim();
decode_pdf.getTextLines().addHighlights(storageVector.get(), true, currentPage);
//PdfHighlights.addToHighlightAreas(decode_pdf, storageVector, currentPage);
}
Platform.runLater(new Runnable() {
@Override
public void run() {
decode_pdf.repaintPane(commonValues.getCurrentPage());
currentGUI.scaleAndRotate();
}
});
}
}
}
//When page changes make sure only relevant navigation buttons are displayed
if (commonValues.getCurrentPage() == 1) {
currentGUI.getButtons().setBackNavigationButtonsEnabled(false);
} else {
currentGUI.getButtons().setBackNavigationButtonsEnabled(true);
}
if (commonValues.getCurrentPage() == decode_pdf.getPageCount()) {
currentGUI.getButtons().setForwardNavigationButtonsEnabled(false);
} else {
currentGUI.getButtons().setForwardNavigationButtonsEnabled(true);
}
}
});
//setup searching
searchButton.setOnAction(new EventHandler() {
@Override
public void handle(final ActionEvent e) {
if (!isSearch) {
try {
searchTypeParameters = SearchType.DEFAULT;
if (wholeWordsOnlyBox.isSelected()) {
searchTypeParameters |= SearchType.WHOLE_WORDS_ONLY;
}
if (caseSensitiveBox.isSelected()) {
searchTypeParameters |= SearchType.CASE_SENSITIVE;
}
if (multiLineBox.isSelected()) {
searchTypeParameters |= SearchType.MUTLI_LINE_RESULTS;
}
if (highlightAll.isSelected()) {
searchTypeParameters |= SearchType.HIGHLIGHT_ALL_RESULTS;
}
if (useRegEx.isSelected()) {
searchTypeParameters |= SearchType.USE_REGULAR_EXPRESSIONS;
}
if (ignoreWhiteSpace.isSelected()) {
searchTypeParameters |= SearchType.IGNORE_SPACE_CHARACTERS;
}
if (searchHighlightedOnly.isSelected()) {
searchTypeParameters |= SearchType.SEARCH_HIGHLIGHTS_ONLY;
}
final String textToFind = searchText.getText().trim();
if (searchType.getValue().equals(searchType.getItems().get(0))) { // find exact word or phrase
searchTerms = new String[]{textToFind};
} else { // match any of the words
searchTerms = textToFind.split(" ");
for (int i = 0; i < searchTerms.length; i++) {
searchTerms[i] = searchTerms[i].trim();
}
}
singlePageSearch = !searchAll.isSelected();
searchText();
} catch (final Exception e1) {
e1.printStackTrace();
}
} else {
requestInterupt = true;
isSearch = false;
searchButton.setText(Messages.getMessage("PdfViewerSearch.Button"));
}
((JavaFxGUI)currentGUI).getPdfDecoder().requestFocus();
}
});
searchText.selectAll();
deleteOnClick = true;
searchText.setOnKeyPressed(new EventHandler() {
@Override
public void handle(final KeyEvent e) {
currentGUI.getButtons().getButton(Commands.NEXTRESULT).setEnabled(false);
currentGUI.getButtons().getButton(Commands.PREVIOUSRESULT).setEnabled(false);
if (e.getCode() == KeyCode.ENTER) {
if (!decode_pdf.isOpen()) {
currentGUI.showMessageDialog("File must be open before you can search.");
} else {
try {
isSearch = false;
searchTypeParameters = SearchType.DEFAULT;
if (wholeWordsOnlyBox.isSelected()) {
searchTypeParameters |= SearchType.WHOLE_WORDS_ONLY;
}
if (caseSensitiveBox.isSelected()) {
searchTypeParameters |= SearchType.CASE_SENSITIVE;
}
if (multiLineBox.isSelected()) {
searchTypeParameters |= SearchType.MUTLI_LINE_RESULTS;
}
if (highlightAll.isSelected()) {
searchTypeParameters |= SearchType.HIGHLIGHT_ALL_RESULTS;
}
if (useRegEx.isSelected()) {
searchTypeParameters |= SearchType.USE_REGULAR_EXPRESSIONS;
}
if (ignoreWhiteSpace.isSelected()) {
searchTypeParameters |= SearchType.IGNORE_SPACE_CHARACTERS;
}
if (searchHighlightedOnly.isSelected()) {
searchTypeParameters |= SearchType.SEARCH_HIGHLIGHTS_ONLY;
}
final String textToFind = searchText.getText().trim();
if (searchType.getValue() .equals( searchType.getItems().get(0))) { // find exact word or phrase
searchTerms = new String[]{textToFind};
} else { // match any of the words
searchTerms = textToFind.split(" ");
for (int i = 0; i < searchTerms.length; i++) {
searchTerms[i] = searchTerms[i].trim();
}
}
singlePageSearch = !searchAll.isSelected();
searchText();
((JavaFxGUI)currentGUI).getPdfDecoder().requestFocus();
} catch (final Exception e1) {
e1.printStackTrace();
}
}
}
}
});
searchText.focusedProperty().addListener(new ChangeListener()
{
@Override
public void changed(final ObservableValue arg0, final Boolean oldPropertyValue, final Boolean newPropertyValue)
{
if (newPropertyValue && deleteOnClick) //focus gained
{
deleteOnClick = false;
searchText.setText("");
}
else if(searchText.getText().isEmpty()) //focus lost
{
searchText.setText(defaultMessage);
deleteOnClick = true;
}
}
});
if (style == SEARCH_EXTERNAL_WINDOW || style == SEARCH_TABBED_PANE) {
if(GUI.debugFX)
{
System.err.println("Implementation of tab bar not here yet for JavaFX");
}
/*
* Finalise the Stage, add items and scene.
*/
final BorderPane bp = new BorderPane();
contentVB = new VBox();
contentVB.getChildren().addAll(nav,resultsList, advancedPanel);
bp.setCenter(contentVB);
final Scene scene = new Scene(bp);
this.setScene(scene);
//
// if (style == SEARCH_EXTERNAL_WINDOW) {
// Code here which positions the External Window to the right
// next to the main viewer window.
// }
// searchAll.setFocusable(false);
//
// searchText.grabFocus();
} else {
//Whole Panel not used, take what is needed
currentGUI.setSearchText(searchText);
}
}
}
public VBox getContentVB(){
return contentVB;
}
@Override
public void removeSearchWindow(final boolean justHide) {
this.close();
if (isSetup && !justHide) {
if (listModel != null) {
listModel.clear();
}
itemFoundCount = 0;
isSearch = false;
}
//lose any highlights and force redraw with non-existent box
if (decode_pdf != null) {
decode_pdf.getTextLines().clearHighlights();
decode_pdf.repaintPane(commonValues.getCurrentPage());
}
}
/*
* Reset search text and menu bar buttons when opening new page
*/
@Override
public void resetSearchWindow(){
if(isSetup){
searchText.setText(defaultMessage);
deleteOnClick=true;
if(hasSearched){
// resultsList = null;
currentGUI.getButtons().getButton(Commands.NEXTRESULT).setEnabled(false);
currentGUI.getButtons().getButton(Commands.PREVIOUSRESULT).setEnabled(false);
hasSearched = false;
}
decode_pdf.requestFocus();
}
}
@Override
public GUISearchList getResults() {
return resultsList;
}
@Override
public GUISearchList getResults(final int page) {
usingMenuBarSearch = style==SEARCH_MENU_BAR;
if(page !=lastPage && usingMenuBarSearch){
try {
searchKey++;
if(searchKey>3000) {
searchKey = 0;
}
clearCurrentResults();
searchPage(page, searchKey, listModel);
} catch (final Exception e) {
e.printStackTrace();
}
}
return resultsList;
}
@Override
public Map getTextRectangles() {
return Collections.unmodifiableMap(textRectangles);
}
@Override
public int getViewStyle() {
return style;
}
@Override
public void setViewStyle(final int i) {
style = i;
}
@Override
public int getFirstPageWithResults() {
return firstPageWithResults;
}
@Override
public void setWholeWords(final boolean wholeWords) {
wholeWordsOnlyBox.setSelected(wholeWords);
}
@Override
public void setCaseSensitive(final boolean caseSensitive) {
caseSensitiveBox.setSelected(caseSensitive);
}
@Override
public void setMultiLine(final boolean multiLine) {
multiLineBox.setSelected(multiLine);
}
@Override
public void setSearchText(final String s) {
searchText.setText(s);
}
//@Override
// public void setSearchHighlightsOnly(boolean highlightOnly){
// searchHighlightedOnly.setSelected(highlightOnly);
//}
private void searchText() throws Exception{
//Flag is we are using menu bar search
usingMenuBarSearch = style == SEARCH_MENU_BAR;
//Alter searchKey so the update thread knows not to update
searchKey++;
//Reset last page searched flag.
lastPage=-1;
/*
* To prevent the chance of hitting the maximum value of searchKey
* we should reset long after a value large enough to guarantee
* any thread using a searchKey of 0 is closed.
*/
if(searchKey>3000) {
searchKey = 0;
}
//Cancel a search if currently exists
if(searchThread!=null && searchThread.isAlive()){
//Call for search to finish
endSearch = true;
searchThread.interrupt();
while (searchThread.isAlive()) {
//Wait for search to end
try {
Thread.sleep(5000);
} catch (Exception e) {
LogWriter.writeLog("Attempting to set propeties values " + e);
}
}
endSearch = false;
}
if(!usingMenuBarSearch && (searchTypeParameters & SearchType.SEARCH_HIGHLIGHTS_ONLY) == SearchType.SEARCH_HIGHLIGHTS_ONLY){
searchAreas = decode_pdf.getTextLines().getAllHighlights();
}else{
searchAreas = null;
}
clearCurrentResults();
searchThread = new Thread(searchRunner);
searchThread.start();
// Platform.runLater(searchThread);
}
private void clearCurrentResults(){
listModel.clear();
resultsList.getItems().clear();
textPages.clear();
textRectangles.clear();
itemFoundCount = 0;
decode_pdf.getTextLines().clearHighlights();
}
/**
* Performs the currently set up search on the given page
*
* @param page :: Page to be searched with the currently set term and
* settings
* @param currentKey :: The current search key, used to control results
* update when search ends
* @return True if search routine should continue
*/
private boolean searchPage(final int page, final int currentKey, final ObservableList resultListModel) throws Exception{
final PdfPageData currentPageData = decode_pdf.getPdfPageData();
final int x1 = currentPageData.getMediaBoxX(page);
final int x2 = currentPageData.getMediaBoxWidth(page) + x1;
final int y2 = currentPageData.getMediaBoxY(page);
final int y1 = currentPageData.getMediaBoxHeight(page) + y2;
return searchPage(page, x1, y1, x2, y2, currentKey, resultListModel);
}
/**
* Performs the currently set up search on the given page
* @param x1 the left x cord
* @param y1 the upper y cord
* @param x2 the right x cord
* @param y2 the lower y cord
* @param page :: Page to be searched with the currently set term and settings
* @param currentKey :: The current search key, used to control results update when search ends
* @return True if search routine should continue
*/
private boolean searchPage(final int page, final int x1, final int y1, final int x2, final int y2, final int currentKey, final ObservableList resultListModel) throws Exception {
final PdfGroupingAlgorithms grouping;
final PdfPageData pageSize = decode_pdf.getPdfPageData();
if (page == commonValues.getCurrentPage()) {
grouping = decode_pdf.getGroupingObject();
} else {
decode_pdf.decodePageInBackground(page);
grouping = decode_pdf.getBackgroundGroupingObject();
}
// // set size
// int x1 = pageSize.getCropBoxX(page);
// int x2 = pageSize.getCropBoxWidth(page);
// int y1 = pageSize.getCropBoxY(page);
// int y2 = pageSize.getCropBoxHeight(page);
final SearchListener listener = new DefaultSearchListener();
// tell JPedal we want teasers
grouping.generateTeasers();
//allow us to add options
grouping.setIncludeHTML(false);
//Set search term in results list
resultsList.setSearchTerm(searchText.getText().trim());
final SortedMap highlightsWithTeasers = grouping.findTextWithinInAreaWithTeasers(x1, y1, x2, y2, pageSize.getRotation(page), searchTerms, searchTypeParameters, listener);
/*
* update data structures with results from this page
*/
if (!highlightsWithTeasers.isEmpty()) {
itemFoundCount += highlightsWithTeasers.size();
for (final Object o : highlightsWithTeasers.entrySet()) {
final Map.Entry e = (Map.Entry) o;
/*highlight is a rectangle or a rectangle[]*/
final Object highlight = e.getKey();
final String teaser = (String) e.getValue();
if(currentKey == searchKey){
resultListModel.add(teaser);
}
final Integer key = textRectangles.size();
textRectangles.put(key, highlight);
textPages.put(key, page);
}
}
lastPage = page;
//Ending search now
return !endSearch;
}
//Flag to control if we update search results during search or at the end
boolean updateListDuringSearch = true;
@Override
public void setUpdateListDuringSearch(final boolean updateListDuringSearch) {
this.updateListDuringSearch = updateListDuringSearch;
}
@Override
public void dispose(){
//Added as needed for swing. No code yet
}
@Override
public void selectSearchOptions(int options){
searchAll.setSelected(!((options & SearchType.FIND_FIRST_OCCURANCE_ONLY) == SearchType.FIND_FIRST_OCCURANCE_ONLY));
wholeWordsOnlyBox.setSelected((options & SearchType.WHOLE_WORDS_ONLY) == SearchType.WHOLE_WORDS_ONLY);
caseSensitiveBox.setSelected((options & SearchType.CASE_SENSITIVE) == SearchType.CASE_SENSITIVE);
multiLineBox.setSelected((options & SearchType.MUTLI_LINE_RESULTS) == SearchType.MUTLI_LINE_RESULTS);
highlightAll.setSelected((options & SearchType.HIGHLIGHT_ALL_RESULTS) == SearchType.HIGHLIGHT_ALL_RESULTS);
useRegEx.setSelected((options & SearchType.USE_REGULAR_EXPRESSIONS) == SearchType.USE_REGULAR_EXPRESSIONS);
searchHighlightedOnly.setSelected((options & SearchType.SEARCH_HIGHLIGHTS_ONLY) == SearchType.SEARCH_HIGHLIGHTS_ONLY);
ignoreWhiteSpace.setSelected((options & SearchType.IGNORE_SPACE_CHARACTERS) == SearchType.IGNORE_SPACE_CHARACTERS);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy