ksystemlog/src/lib/loadingBar.cpp

   1 /***************************************************************************
   2  *   KSystemLog, a system log viewer tool                                  *
   3  *   Copyright (C) 2007 by Nicolas Ternisien                               *
   4  *   nicolas.ternisien@gmail.com                                           *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  20  ***************************************************************************/
  21
  22 #include "loadingBar.h"
  23
  24 #include <QWidget>
  25 #include <QPushButton>
  26 #include <QLabel>
  27 #include <QProgressBar>
  28 #include <QVBoxLayout>
  29 #include <QHBoxLayout>
  30
  31 #include <klocale.h>
  32 #include <kapplication.h>
  33 #include <kiconloader.h>
  34
  35 class LoadingBarPrivate {
  36 public:
  37         //Attributes managing the position in the files loading of each log
  38         int fileCount;
  39         int currentFileIndex;
  40
  41         bool firstLoading;
  42
  43         QLabel* label;
  44
  45         QProgressBar* progressBar;
  46
  47 };
  48
  49 LoadingBar::LoadingBar(QWidget* parent) :
  50         QWidget(parent),
  51         d(new LoadingBarPrivate())
  52         {
  53
  54         d->firstLoading = true;
  55
  56         QHBoxLayout* widgetLayout = new QHBoxLayout();
  57         setLayout(widgetLayout);
  58
  59         widgetLayout->addStretch();
  60
  61         QVBoxLayout* layout = new QVBoxLayout();
  62         widgetLayout->addLayout(layout);
  63
  64         widgetLayout->addStretch();
  65
  66         d->label = new QLabel(i18n("Loading Progress..."));
  67         d->label->setMinimumWidth(250);
  68         layout->addWidget(d->label, 1, Qt::AlignBottom);
  69
  70         d->progressBar = new QProgressBar();
  71         d->progressBar->setRange(0, 100);
  72         d->progressBar->setMinimumWidth(250);
  73         layout->addWidget(d->progressBar, 1, Qt::AlignCenter | Qt::AlignTop);
  74
  75 }
  76
  77 LoadingBar::~LoadingBar() {
  78         delete d;
  79 }
  80
  81
  82 QProgressBar* LoadingBar::progressBar() {
  83         return d->progressBar;
  84 }
  85
  86 void LoadingBar::startLoading(const LogMode& logMode, const LogFile& logFile, int fileIndex, int fileCount) {
  87         emit displayed(true);
  88
  89         d->progressBar->setValue(0);
  90
  91         //Several files to load
  92         if (fileCount>1 && fileIndex>=1) {
  93                 if (d->firstLoading)
  94                         d->label->setText(i18np("Loading <b>%2</b>...<br /><i>%3</i>",
  95                                                 "Loading <b>%2</b>...<br /><i>%3</i> - (<b>%4</b>/%1 files)",
  96                                                 fileCount, logMode.name(), logFile.url().path(), fileIndex));
  97                 else
  98                         d->label->setText(i18np("Reloading <b>%2</b>...<br /><i>%3</i>",
  99                                                 "Reloading <b>%2</b>...<br /><i>%3</i> - (<b>%4</b>/%1 files)",
 100                                                 fileCount, logMode.name(), logFile.url().path(), fileIndex));
 101         }
 102         //Only one file
 103         else {
 104                 if (d->firstLoading)
 105                         d->label->setText(i18n("Loading <b>%1</b>...<br /><i>%2</i>", logMode.name(), logFile.url().path()));
 106                 else
 107                         d->label->setText(i18n("Reloading <b>%1</b>...<br /><i>%2</i>", logMode.name(), logFile.url().path()));
 108         }
 109
 110 }
 111
 112 void LoadingBar::endLoading() {
 113         emit displayed(false);
 114
 115         d->progressBar->setValue(100);
 116
 117         //If the endLoading has been called one time, it means it has already been loaded
 118         d->firstLoading=false;
 119
 120 }
 121
 122 void LoadingBar::progressLoading() {
 123         d->progressBar->setValue( d->progressBar->value() + 1 );
 124
 125         kapp->processEvents();
 126 }
 127
 128 #include "loadingBar.moc"