vaikene.ee Git - evaf/blob - src/plugins/LogView/logview.cpp

   1 /**
   2  * @file LogView/logview.cpp
   3  * @brief Implementation of the LogView module
   4  * @author Enar Vaikene
   5  *
   6  * Copyright (c) 2011 Enar Vaikene
   7  *
   8  * This file is part of the eVaf C++ cross-platform application development framework.
   9  *
  10  * This file can be used under the terms of the GNU General Public License
  11  * version 3.0 as published by the Free Software Foundation and appearing in
  12  * the file LICENSE included in the packaging of this file. Please review the
  13  * the following information to ensure the GNU General Public License version
  14  * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  15  *
  16  * Alternatively, this file may be used in accordance with the Commercial License
  17  * Agreement provided with the Software.
  18  */
  19
  20 #include "logview.h"
  21 #include "version.h"
  22
  23 #include <Common/Globals>
  24 #include <Common/iLogger>
  25
  26 #include <QtGui>
  27
  28
  29 using namespace eVaf;
  30 using namespace eVaf::LogView::Internal;
  31
  32
  33 //-------------------------------------------------------------------
  34
  35 int const Model::MaxLines = 1000;
  36
  37 char const * const Model::SeverityText[Common::iLogger::Count] =  {
  38     QT_TR_NOOP("[NONE]   "),
  39     QT_TR_NOOP("[FATAL]  "),
  40     QT_TR_NOOP("[ERROR]  "),
  41     QT_TR_NOOP("[WARNING]"),
  42     QT_TR_NOOP("[INFO]   "),
  43     QT_TR_NOOP("[DEBUG]  ")
  44 };
  45
  46 Model::Model(QObject * parent)
  47     : QAbstractListModel(parent)
  48 {
  49 }
  50
  51 QVariant Model::data(QModelIndex const & index, int role) const
  52 {
  53     if (!index.isValid() || index.row() < 0 || index.row() >= mData.size() || index.column() != 0)
  54         return QVariant();
  55
  56     switch (role) {
  57
  58         // Return the message for the display role
  59         case Qt::DisplayRole: {
  60             return mData.at(index.row()).text;
  61             break;
  62         }
  63
  64         // Change color for different message types
  65         case Qt::ForegroundRole: {
  66             Common::iLogger::Severity s = mData.at(index.row()).severity;
  67             switch (s) {
  68                 case Common::iLogger::Info:
  69                     return QBrush(QColor(Qt::blue));
  70                     break;
  71                 case Common::iLogger::Warning:
  72                     return QBrush(QColor(Qt::black));
  73                     break;
  74                 case Common::iLogger::Error:
  75                 case Common::iLogger::Fatal:
  76                     return QBrush(QColor(Qt::red));
  77                     break;
  78                 default:
  79                     return QVariant();
  80             }
  81             break;
  82         }
  83     } // switch (role)
  84
  85     return QVariant();
  86 }
  87
  88 void Model::addMessage(Common::iLogger::Severity severity, QString const & text, QString const & where)
  89 {
  90     // Add the message to the end of the queue
  91     beginInsertRows(QModelIndex(), mData.size(), mData.size());
  92     mData.enqueue(Message(severity, text, where));
  93     endInsertRows();
  94
  95     // Remove oldest messages if the list is full
  96     if (mData.size() > MaxLines) {
  97         beginRemoveRows(QModelIndex(), 0, 0);
  98         mData.dequeue();
  99         endRemoveRows();
 100     }
 101 }
 102
 103 QString Model::details(QModelIndex const & index) const
 104 {
 105     Message const & m = mData.at(index.row());
 106     return tr("%1 %2.%3 %4 : %5\nOccurred in %6")
 107             .arg(m.dt.date().toString(Qt::DefaultLocaleShortDate))
 108             .arg(m.dt.time().toString(Qt::DefaultLocaleLongDate))
 109             .arg(m.dt.time().msec(), 3, 10, QChar('0'))
 110             .arg(tr(severityText(m.severity)))
 111             .arg(m.text)
 112             .arg(m.where);
 113 }
 114
 115 bool Model::copyToClipboard(QModelIndex const & index)
 116 {
 117     mErrorString.clear();
 118
 119     QClipboard * cb = QApplication::clipboard();
 120     if (cb) {
 121         cb->setText(details(index));
 122         return true;
 123     }
 124     else {
 125         mErrorString = tr("The global clipboard is not available");
 126         return false;
 127     }
 128 }
 129
 130 bool Model::saveToFile(QString const & fileName)
 131 {
 132     mErrorString.clear();
 133
 134     QFile f(fileName);
 135     if (!f.open(QFile::WriteOnly)) {
 136         mErrorString = tr("Failed to open the file '%1' for writing : %2").arg(fileName).arg(f.errorString());
 137         return false;
 138     }
 139
 140     QTextStream out(&f);
 141
 142     for (int i = 0; i < mData.size(); ++i) {
 143         Message const & m = mData.at(i);
 144         out << tr("%1 %2.%3 %4 : %5 (occurred in %6)\n")
 145                     .arg(m.dt.date().toString(Qt::DefaultLocaleShortDate))
 146                     .arg(m.dt.time().toString(Qt::DefaultLocaleLongDate))
 147                     .arg(m.dt.time().msec(), 3, 10, QChar('0'))
 148                     .arg(tr(severityText(m.severity)))
 149                     .arg(m.text)
 150                     .arg(m.where)
 151             << endl;
 152     }
 153
 154     return true;
 155 }
 156
 157 char const * const Model::severityText(Common::iLogger::Severity s) const
 158 {
 159     if (s >= Common::iLogger::None && s < Common::iLogger::Count)
 160         return SeverityText[s];
 161     else
 162         return SeverityText[Common::iLogger::None];
 163 }
 164
 165
 166 //-------------------------------------------------------------------
 167
 168 Widget::Widget(QWidget * parent, Qt::WindowFlags flags)
 169     : QWidget(parent, flags)
 170 {
 171     setObjectName(QString("%1-Widget").arg(VER_MODULE_NAME_STR));
 172     EVAF_INFO("%s created", qPrintable(objectName()));
 173 }
 174
 175 Widget::~Widget()
 176 {
 177     EVAF_INFO("%s destroyed", qPrintable(objectName()));
 178 }
 179
 180
 181 //-------------------------------------------------------------------
 182
 183 Module::Module()
 184     : Plugins::iPlugin()
 185     , wWidget(0)
 186 {
 187     setObjectName(QString("%1-Module").arg(VER_MODULE_NAME_STR));
 188     EVAF_INFO("%s created", qPrintable(objectName()));
 189 }
 190
 191 Module::~Module()
 192 {
 193     EVAF_INFO("%s destroyed", qPrintable(objectName()));
 194 }
 195
 196 bool Module::init(QString const & args)
 197 {
 198     Q_UNUSED(args);
 199
 200     wWidget = new Widget();
 201
 202     EVAF_INFO("%s initialized", qPrintable(objectName()));
 203
 204     return true;
 205 }
 206
 207 void Module::done()
 208 {
 209     if (wWidget) {
 210         delete wWidget;
 211         wWidget = 0;
 212     }
 213
 214     EVAF_INFO("%s finalized", qPrintable(objectName()));
 215 }