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tdemultimedia/kaudiocreator/jobqueimp.cpp

311 lines
9.7 KiB

/**
* This file is part of the KAudioCreator package
* Copyright (C) 2003 Benjamin C Meyer (ben+kaudiocreator at meyerhome dot net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "jobqueimp.h"
#include "job.h"
#include "prefs.h"
#include <tqpushbutton.h>
#include <tqlabel.h>
#include <tqpainter.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <kmessagebox.h>
#include <kurl.h>
#include <tqfile.h>
#include <tqregexp.h>
#include <tqfileinfo.h>
#include <kstandarddirs.h>
#include <knotifyclient.h>
#include <tqdir.h>
#define HEADER_JOB 0
#define HEADER_PROGRESS 1
#define HEADER_DESCRIPTION 2
#define ICON_LOC HEADER_DESCRIPTION
#define DEFAULT_HIGHEST_NUMBER 9
/**
* Constructor, set up signals.
* @param parent - parent widget
* @param name - widget name
*/
JobQueImp::JobQueImp( TQWidget* parent, const char* name) :
JobQue(parent,name),highestNumber(DEFAULT_HIGHEST_NUMBER), currentId(0){
connect(removeSelected,TQT_SIGNAL(clicked()), this, TQT_SLOT( removeSelectedJob()));
connect(removeAll, TQT_SIGNAL(clicked()), this, TQT_SLOT(removeAllJobs()));
connect(removeDoneJobs, TQT_SIGNAL(clicked()), this, TQT_SLOT(clearDoneJobs()));
}
/**
* Return a buffer of "000" so that new, updated jobs strings will be able to
* sort via the columns.
* Based upon a highest number that is kept.
* @param number the number to fill out.
*/
TQString JobQueImp::getStringFromNumber(int number){
if(number > highestNumber){
int diff = TQString("%1").arg(number).length() - TQString("%1").arg(highestNumber).length();
highestNumber = number;
if(diff > 0){
// We have to update all of the cells.
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
while( currentItem != NULL ){
currentItem->setText(HEADER_JOB, "0" + currentItem->text(HEADER_JOB));
currentItem = (QueListViewItem*)currentItem->itemBelow();
}
}
}
TQString buffer = "";
uint newLength = TQString("%1").arg(highestNumber).length() - TQString("%1").arg(number).length();
for(uint i=0; i < newLength; i++)
buffer += "0";
return buffer;
}
/**
* Add a new job to the que
* @param id the id of the job.
* @param name the name of the job.
*/
void JobQueImp::addJob(Job*job, const TQString &name ){
if(!job)
return;
job->id = ++currentId;
QueListViewItem *currentItem = new QueListViewItem(todoQue, TQString("%1%2").arg(getStringFromNumber(currentId)).arg(currentId), "0", name);
currentItem->setPixmap(ICON_LOC, SmallIcon("player_pause", currentItem->height()-2));
queLabel->setText(i18n("Number of jobs in the queue: %1").arg(todoQue->childCount()));
}
/**
* Locate the job and update the progress.
* @param id the id of the job to update
* @param progress the new progress of the job.
*/
void JobQueImp::updateProgress(int id, int progress){
int currentJobCount = numberOfJobsNotFinished();
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
TQString buffer = getStringFromNumber(id);
buffer += TQString("%1").arg(id);
// Find the current item
while( currentItem != NULL ){
if(currentItem->text(HEADER_JOB) == buffer)
break;
currentItem = (QueListViewItem*)currentItem->nextSibling();
}
if( !currentItem ){
kdDebug(60002) << "JobQueImp::updateProgress An update was received about a job, but the job couldn't be found: " << id << endl;
return;
}
// Only update the % if it changed.
if(currentItem->percentDone == progress)
return;
currentItem->percentDone = progress;
currentItem->repaint();
// Update the icon if needed
if(progress > 0 && progress < 100 && !currentItem->progressing ){
currentItem->setPixmap(ICON_LOC, SmallIcon("gear", currentItem->height()-2));
currentItem->progressing = true;
}
else if(progress == -1){
currentItem->setPixmap(ICON_LOC, SmallIcon("button_cancel", currentItem->height()-2));
}
else if(progress == 100){
// Remove the job if requested.
if(Prefs::removeCompletedJobs()){
removeJob(currentItem, false);
return;
}
currentItem->setPixmap(ICON_LOC, SmallIcon("button_ok", currentItem->height()));
}
if(currentJobCount > 0 && numberOfJobsNotFinished() == 0)
KNotifyClient::event("no jobs left");
}
/**
* Remove job listed in item
* @param item to remove. Note that it WILL be deleted and set to NULL.
* @param kill kill the actual job/process. A bool here because this CAN cause
* a race condition when the encoder is 100%, but hasn't exited.
* @param prompt the user if the job isn't finished
* @return bool if remove was successfull or not.
*/
bool JobQueImp::removeJob(QueListViewItem *item, bool kill, bool prompt){
if(!item)
return false;
if(item->percentDone < 100 && item->percentDone > -1 && (prompt && KMessageBox::questionYesNo(this, i18n("KAudioCreator has not finished %1. Remove anyway?").arg(item->text(HEADER_DESCRIPTION)), i18n("Unfinished Job in Queue"), KStdGuiItem::del(), i18n("Keep"))
== KMessageBox::No ))
return false;
// "Thread" safe
if(!item)
return false;
if(kill)
emit (removeJob(item->text(HEADER_JOB).toInt()));
todoQue->takeItem(item);
delete(item);
item = NULL;
// See if the Que needs to be updated...
if(todoQue->childCount() == 0){
queLabel->setText(i18n("No jobs are in the queue"));
highestNumber = DEFAULT_HIGHEST_NUMBER;
currentId = 0;
}
else
queLabel->setText(i18n("Number of jobs in the queue: %1").arg(todoQue->childCount()));
return true;
}
/**
* Remove the currently selected Job
*/
void JobQueImp::removeSelectedJob(){
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
while(currentItem != NULL){
if(currentItem->isSelected()){
QueListViewItem *t = currentItem;
currentItem = (QueListViewItem*)currentItem->nextSibling();
removeJob(t);
}
else
currentItem = (QueListViewItem*)currentItem->nextSibling();
}
}
/**
* Remove all of the jobs in the list.
*/
void JobQueImp::removeAllJobs(){
// First determine if there are jobs not finished and prompt once here
bool finished=true;
QueListViewItem * item = (QueListViewItem*)todoQue->firstChild();
while( item != NULL ){
if(item && item->percentDone < 100 && item->percentDone > -1)
finished = false;
item = (QueListViewItem*)item->nextSibling();
}
if(!finished){
if(KMessageBox::questionYesNo(this, i18n("KAudioCreator has not finished all of the jobs. Remove them anyway?"), i18n("Unfinished Job in Queue"), KStdGuiItem::del(), i18n("Keep"))
== KMessageBox::No )
return;
}
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
while( currentItem != NULL ){
QueListViewItem *next = (QueListViewItem*)currentItem->nextSibling();
removeJob(currentItem, true, false);
currentItem = next;
}
}
/**
* Remove any jobs that are in the list that are done.
*/
void JobQueImp::clearDoneJobs(){
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
while( currentItem != NULL ){
QueListViewItem *itemToRemove = NULL;
if( currentItem->percentDone == 100 ){
itemToRemove = currentItem;
}
currentItem = (QueListViewItem*)currentItem->itemBelow();
if(itemToRemove){
emit (removeJob(itemToRemove->text(HEADER_JOB).toInt()));
todoQue->takeItem(itemToRemove);
}
}
if(todoQue->childCount() == 0){
queLabel->setText(i18n("No jobs are in the queue"));
highestNumber = DEFAULT_HIGHEST_NUMBER;
currentId = 0;
}
else
queLabel->setText(i18n("Number of jobs in the queue: %1").arg(todoQue->childCount()));
}
/**
* Return the number of jobs in the que that don't have 100% or Error in the
* Progress column
* @return the number of jobs that are in the que that haven't been finished.
*/
int JobQueImp::numberOfJobsNotFinished(){
int totalJobsToDo = 0;
QueListViewItem * currentItem = (QueListViewItem*)todoQue->firstChild();
while( currentItem != NULL ){
if( currentItem->percentDone == 100 || currentItem->percentDone == -1 ){
}
else
totalJobsToDo++;
currentItem = (QueListViewItem*)currentItem->itemBelow();
}
return totalJobsToDo;
}
/**
* The repaint function overloaded so that we can have a built in progressbar.
*/
void QueListViewItem::paintCell (TQPainter * p,const TQColorGroup &cg,int column,
int width,int align){
if(column != HEADER_PROGRESS){
TQListViewItem::paintCell(p,cg,column,width,align);
return;
}
p->setPen(cg.base());
p->drawRect(0,0,width,height());
if(isSelected())
p->fillRect(1,1,width-2,height()-2,cg.highlight());
else
p->fillRect(1,1,width-2,height()-2,cg.base());
int percent = (int)(((double)(width-2)) * (percentDone/100));
p->fillRect(1,1,percent,height()-2,cg.mid());
// show the text
p->setPen(cg.text());
if(isSelected())
p->setPen(cg.highlightedText());
if(percentDone != -1)
p->drawText(0,0,width-1,height()-1,AlignCenter,TQString().setNum((int)percentDone) + "%");
else
p->drawText(0,0,width-1,height()-1,AlignCenter,i18n("Error"));
}
/**
* Header for built in treelist item so we can have a progress bar in them.
*/
QueListViewItem::QueListViewItem(TQListView *parent, const TQString id, const TQString p , const TQString name, const TQString d, const TQString e) : TQListViewItem(parent, id, p, name,d,e), percentDone(0), progressing(false) {
}
#include "jobqueimp.moc"