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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 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
*
* ---------------
* PdfJavaFXPopup.java
* ---------------
*/
package org.jpedal.objects.acroforms.javafx;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Pane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import org.jpedal.objects.raw.FormObject;
import org.jpedal.objects.raw.PdfDictionary;
/**
* @author Simon
*/
public class PdfJavaFXPopup extends Pane {
private final FormObject form;
private VBox content;
private Rectangle dragBar;
// Offset between mouse + left/top of the dragbar
private double offX;
private double offY;
PdfJavaFXPopup(final FormObject form) {
this.form = form;
createContent();
setupListeners();
this.getChildren().add(content);
}
private void createContent() {
content = new VBox();
content.getStyleClass().add("popupAnnot");
// String subj = checkString(form.getParentPdfObj().getTextStreamValue(PdfDictionary.Subj));
final String contents;
// Get the date String
String m = "";
final String t;
if (form.getParentPdfObj() != null) { // Get information from the parent object
// String subj = checkString(form.getParentPdfObj().getTextStreamValue(PdfDictionary.Subj));
contents = checkString(form.getParentPdfObj().getTextStreamValue(PdfDictionary.Contents));
// Get the date String
m = formatDate(form);
t = checkString(form.getParentPdfObj().getTextStreamValue(PdfDictionary.T));
} else { // Get from the popup itself
contents = checkString(form.getTextStreamValue(PdfDictionary.Contents));
t = checkString(form.getTextStreamValue(PdfDictionary.T));
}
content.setPrefWidth(200);
content.prefHeightProperty().bind(this.prefHeightProperty());
dragBar = new Rectangle();
final Label author = new Label(t);
final Label date = new Label(m);
final TextArea text = new TextArea(contents);
dragBar.setHeight(15);
dragBar.widthProperty().bind(content.prefWidthProperty());
dragBar.getStyleClass().add("dragbar");
// Let the text box take up any remaining space
VBox.setVgrow(text, Priority.ALWAYS);
author.setWrapText(true);
date.setWrapText(true);
text.setWrapText(true);
author.setFont(Font.font(null, FontWeight.BOLD, 16));
// Get the background color:
final float[] col = form.getFloatArray(PdfDictionary.C);
final String color;
if (col != null) {
//and set border to that if valid
if (col[0] > 1 || col[1] > 1 || col[2] > 1) {
color = "rgb(" + col[0] + ", " + col[1] + ", " + col[2] + ')';
} else {
color = "rgb(" + col[0] * 255 + ", " + col[1] * 255 + ", " + col[2] * 255 + ')';
}
} else {
color = "rgb(255,255,0)";
}
content.setStyle("-fx-border-color:" + color + ';');
dragBar.setStyle("-fx-fill:" + color + ';');
content.getChildren().addAll(dragBar, author, date, text);
}
private static String formatDate(final FormObject form) {
String m = form.getParentPdfObj().getTextStreamValue(PdfDictionary.M);
//Format the date
if (m != null) {
final StringBuilder mDate = new StringBuilder(m);
mDate.delete(0, 2); // delete D:
mDate.insert(10, ':');
mDate.insert(13, ':');
mDate.delete(16, mDate.length());
mDate.insert(16, " GMT");
final String year = mDate.substring(0, 4);
final String day = mDate.substring(6, 8);
mDate.delete(6, 8);
mDate.delete(0, 4);
mDate.insert(0, day);
mDate.insert(4, year);
mDate.insert(2, '/');
mDate.insert(5, '/');
mDate.insert(10, ' ');
m = mDate.toString();
} else {
m = "";
}
return m;
}
// Helper method to format text fields
private static String checkString(final String value) {
if (value == null) {
return "";
} else {
return value;
}
}
private void setupListeners() {
dragBar.setOnMouseClicked(new EventHandler() {
@Override
public void handle(final MouseEvent event) {
if (event.getClickCount() == 2) {
setVisible(false);
}
}
});
dragBar.setOnMousePressed(new EventHandler() {
@Override
public void handle(final MouseEvent event) {
// Get the position of the click relative to the dragbar
offX = event.getX();
offY = event.getY();
toFront();
}
});
dragBar.setOnMouseDragged(new EventHandler() {
@Override
public void handle(final MouseEvent event) {
double newX = (getTranslateX() + event.getX()) - offX;
// Flip + and - to account for PDF coords
double newY = (getTranslateY() - event.getY()) + offY;
if (newX < 0) {
newX = 0;
} else if ((newX - offX) - content.getWidth() > getScene().getWidth()) {
newX = (getScene().getWidth() + content.getWidth());
}
if (newY < 0) {
newY = 0;
}
setTranslateX(newX);
setTranslateY(newY);
event.consume();
}
});
visibleProperty().addListener(new ChangeListener() {
@Override
public void changed(final ObservableValue observable, final Boolean wasVisible, final Boolean nowVisibile) {
if (nowVisibile) {
toFront();
}
}
});
}
}