org.jpedal.objects.acroforms.overridingImplementations.PdfSwingPopup 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
*
* ---------------
* PdfSwingPopup.java
* ---------------
*/
package org.jpedal.objects.acroforms.overridingImplementations;
import org.jpedal.objects.raw.FormObject;
import org.jpedal.objects.raw.PdfDictionary;
import org.jpedal.objects.raw.PdfObject;
import javax.swing.*;
import java.awt.*;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;
/**
* provide PDF poup for Annotations
*/
public class PdfSwingPopup extends JInternalFrame{
/**
*
*/
private static final long serialVersionUID = 796302916236391896L;
JTextArea titleBar;
JTextArea contentArea;
final FormObject formObject;
@SuppressWarnings("UnusedParameters")
public PdfSwingPopup(final FormObject popupObj, final int cropBoxWidth) {
formObject = popupObj;
/**
* all the popup data is in the Parent not the popup object
*/
final PdfObject parentObj=popupObj.getParentPdfObj();
if(parentObj==null) {
return;
}
//Set color from the popup object
float[] col = popupObj.getFloatArray(PdfDictionary.C);
//If no C value present, check the parent object
if(col==null){
col = parentObj.getFloatArray(PdfDictionary.C);
}
//If no color specified then use our default
if(col==null){
col = new float[]{255,255,0};
}
//read in date for title bar
final String mStream = parentObj.getTextStreamValue(PdfDictionary.M);
StringBuffer date = null;
if(mStream!=null){
date = new StringBuffer(mStream);
date.delete(0, 2);//delete D:
date.insert(10, ':');
date.insert(13, ':');
date.insert(16, ' ');
final String year = date.substring(0, 4);
final String day = date.substring(6,8);
date.delete(6,8);
date.delete(0, 4);
date.insert(0, day);
date.insert(4, year);
date.insert(2, '/');
date.insert(5, '/');
date.insert(10, ' ');
// date.delete(19, date.length());//delete the +01'00' Time zone definition
}
//setup title text for popup
final String subject = parentObj.getTextStreamValue(PdfDictionary.Subj);
String popupTitle = popupObj.getTextStreamValue(PdfDictionary.T);
if(popupTitle==null) {
popupTitle = "";
}
String title="";
if(subject!=null) {
title += subject + '\t';
}
if(date!=null) {
title += date;
}
title += '\n' +popupTitle;
//main body text on contents is always a text readable form of the form or the content of the popup window.
String contentString = parentObj.getTextStreamValue(PdfDictionary.Contents);
if(contentString==null) {
contentString = "";
}
if(contentString.indexOf('\r')!=-1) {
contentString = contentString.replaceAll("\r", "\n");
}
//setup background color
Color bgColor = null;
if(col!=null){
if(col[0]>1 || col[1]>1 || col[2]>1) {
bgColor = new Color((int) col[0], (int) col[1], (int) col[2]);
} else {
bgColor = new Color(col[0], col[1], col[2]);
}
//and set border to that if valid
setBorder(BorderFactory.createLineBorder(bgColor));
}
//remove title bar from internalframe so its looks as we want
((javax.swing.plaf.basic.BasicInternalFrameUI)
this.getUI()).setNorthPane(null);
setLayout(new BorderLayout());
//add title bar
titleBar = new JTextArea(title);
titleBar.setEditable(false);
if(bgColor!=null) {
titleBar.setBackground(bgColor);
}
add(titleBar,BorderLayout.NORTH);
//add content area
contentArea = new JTextArea(contentString);
contentArea.setWrapStyleWord(true);
contentArea.setLineWrap(true);
add(contentArea,BorderLayout.CENTER);
//set the font sizes so that they look more like adobes popups
final Font titFont = titleBar.getFont();
//Set base font size
final int baseFontSize = (int)formObject.getFontSize();
titleBar.setFont(new Font(titFont.getName(),titFont.getStyle(),baseFontSize-1));
final Font curFont = contentArea.getFont();
contentArea.setFont(new Font(curFont.getName(),curFont.getStyle(),baseFontSize-2));
//add our drag listener so it acts like an internal frame
final MyMouseMotionAdapter mmma = new MyMouseMotionAdapter();
titleBar.addMouseMotionListener(mmma);
//add focus listener to bring selected popup to front
addFocusListener(new FocusAdapter(){
@Override
public void focusGained(final FocusEvent e) {
toFront();
super.focusGained(e);
}
});
// Fix for popups showing up behind other objects on page
addInternalFrameListener(new InternalFrameAdapter(){
@Override
public void internalFrameActivated(final InternalFrameEvent e) {
final JInternalFrame frame = e.getInternalFrame();
// Brings the component to the front
frame.getParent().setComponentZOrder(frame, 0);
}
@Override
public void internalFrameDeactivated(final InternalFrameEvent e) {
final JInternalFrame frame = e.getInternalFrame();
//Changing page will set parent to null, so if null we ignore
if(frame.getParent()!=null){
// Sends the component back by one when focus is lost
frame.getParent().setComponentZOrder(frame, 1);
}
}
});
}
final Point currPos = new Point(0, 0);
private class MyMouseMotionAdapter extends MouseMotionAdapter{
@Override
public void mouseDragged(final MouseEvent e) {
//move the popup as the user drags the mouse
final Point pt = e.getPoint();
final Point curLoc = getLocation();
currPos.x += pt.x;
currPos.y += pt.y;
curLoc.translate(pt.x, pt.y);
setLocation(curLoc);
formObject.setUserSetOffset(currPos);
super.mouseDragged(e);
}
}
@Override
/**
* Set the font for the popup window.
* The font is modified in size for the title and the content.
*/
public void setFont(final Font f){
super.setFont(f);
final int fontSize = f.getSize();
if(titleBar!=null) {
titleBar.setFont(titleBar.getFont().deriveFont((float) fontSize - 1));
}
if(contentArea!=null && titleBar!=null) {
contentArea.setFont(titleBar.getFont().deriveFont((float) fontSize - 2));
}
}
/**
* Override paint so that the popup remains in it's current z-position
* after a repaint (e.g. resize), preventign it from going behind other elements
*/
}
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