org.jpedal.io.StatusBar 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 1997-2015 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
*
* ---------------
* StatusBar.java
* ---------------
*/
package org.jpedal.io;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JProgressBar;
import javax.swing.SwingUtilities;
import org.jpedal.utils.LogWriter;
/**
* encapsulates a status bar to display progess of a page decode and messages
* for a GUI client and methods to access it -
* See org.examples.jpedal.viewer.Viewer for example of usage
*
*/
public class StatusBar
{
/**amount of detail to show*/
private static final int debug_level = 0;
/**current numeric value of Progress bar*/
int progress_size;
/**message to display*/
String current="";
/**numeric value Progress bar will count to (lines in data file)*/
private static final int progress_max_size = 100;
/**actual status bar*/
JProgressBar status;
/**if there is a GUI display*/
private boolean showMessages;
/**amount done on decode*/
public float percentageDone;
/** master color for statusBar, by default is red*/
private Color masterColor;
/** boolean to show when the status has been reset*/
private boolean reset;
/**
* Initialises statusbar using default colors.
*/
public StatusBar()
{
initialiseStatus("");
}
/**
* Initialises statusbar using default colors.
*
* @param newColor is of type Color
*/
public StatusBar(final Color newColor)
{
masterColor=newColor;
initialiseStatus("");
}
////////////////////////////////////////
/**
* Initiate status bar.
*
* @param current is of type String
*/
public final void initialiseStatus( final String current)
{
progress_size = 0;
status = new JProgressBar();
if(masterColor!=null) {
status.setForeground(masterColor);
}
//show that somethings happerning but not sure how long for
//status.setIndeterminate(true);
status.setStringPainted( true );
status.setMaximum( progress_max_size );
status.setMinimum( 0 );
updateStatus( current, 4 );
}
////////////////////////////////////////
/**
* Update status if client being used also writes to log (called internally
* as file decoded).
*
* @param progress_bar is of type String
* @param debug_level_to_use is of type int
*/
public final void updateStatus( final String progress_bar, final int debug_level_to_use )
{
current=progress_bar;
//update status if in client
if(showMessages)
{
SwingUtilities.invokeLater(new Runnable(){
@Override
public void run(){
status.setString( current );
status.setValue( progress_size );
}
});
}
if( debug_level > debug_level_to_use) {
LogWriter.writeLog(progress_bar);
}
}
/////////////////////////////////////////////
/**
* Return handle on status bar so it can be displayed.
*
* @return Component
*/
public final Component getStatusObject()
{
return status;
}
/**
* Set progress value (called internally as page decoded).
*
* @param size is of type int
*/
public final void setProgress( final int size )
{
reset=false;
if(status!=null){
if(size==0) {
progress_size = 0;
}
if( progress_size < size ) {
progress_size = size;
}
//if( showMessages == true ){
SwingUtilities.invokeLater(new Runnable(){
@Override
public void run(){
status.setValue( progress_size );
}
});
}
}
////////////////////////////////////////
/**
* set progress value (called internally as page decoded)
*
* @param message The message displayed while the page decoding progresses
* @param size The size of page decoding progress
*/
public final void setProgress( final String message, final int size )
{
reset=false;
if(status!=null){
if(size==0) {
progress_size = 0;
}
if( progress_size < size ) {
progress_size = size;
}
//if( showMessages == true ){
SwingUtilities.invokeLater(new Runnable(){
@Override
public void run(){
status.setString(message);
status.setValue( progress_size );
}
});
}
}
////////////////////////////////////////////////////////////
/**
* Reset status bar.
*
* @param current is of type String
*/
public final void resetStatus( final String current )
{
reset = true;
progress_size = 0;
updateStatus( current, 4 );
}
//////////////////////////
/**
* set client flag to display
*/
public final void setClientDisplay()
{
showMessages = true;
}
public void setVisible(final boolean visible){
status.setVisible(visible);
}
public void setEnabled(final boolean enable){
status.setEnabled(enable);
}
public boolean isVisible(){
return status.isVisible();
}
public boolean isEnabled(){
return status.isEnabled();
}
public boolean isDone() {
return reset || progress_size >= progress_max_size;
}
}