1 files changed, 310 insertions, 0 deletions
diff --git a/kaudiocreator/jobqueimp.cpp b/kaudiocreator/jobqueimp.cpp
new file mode 100644
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+++ b/kaudiocreator/jobqueimp.cpp
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+/**
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "jobqueimp.h"
+#include "job.h"
+#include "prefs.h"
+#include <qpushbutton.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <kdebug.h>
+#include <kiconloader.h>
+#include <kmessagebox.h>
+#include <kurl.h>
+#include <qfile.h>
+#include <qregexp.h>
+#include <qfileinfo.h>
+#include <kstandarddirs.h>
+#include <knotifyclient.h>
+#include <qdir.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( QWidget* parent, const char* name) :
+		JobQue(parent,name),highestNumber(DEFAULT_HIGHEST_NUMBER), currentId(0){
+	connect(removeSelected,SIGNAL(clicked()), this, SLOT( removeSelectedJob()));
+	connect(removeAll, SIGNAL(clicked()), this, SLOT(removeAllJobs()));
+	connect(removeDoneJobs, SIGNAL(clicked()), this, 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.
+ */
+QString JobQueImp::getStringFromNumber(int number){
+	if(number > highestNumber){
+		int diff = QString("%1").arg(number).length() - QString("%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();
+			}
+		}
+	}
+
+	QString buffer = "";
+	uint newLength = QString("%1").arg(highestNumber).length() - QString("%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 QString &name ){
+	if(!job)
+		return;
+	job->id = ++currentId;
+	QueListViewItem *currentItem = new QueListViewItem(todoQue, QString("%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();
+	QString buffer = getStringFromNumber(id);
+	buffer += QString("%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 (QPainter * p,const QColorGroup &cg,int column,
+			int width,int align){
+	if(column != HEADER_PROGRESS){
+		QListViewItem::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,QString().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(QListView *parent, const QString id, const QString p , const QString name, const QString d, const QString e) : QListViewItem(parent, id, p, name,d,e), percentDone(0), progressing(false) {
+}
+
+#include "jobqueimp.moc"
+