ktimetracker/historydialog.cpp

   1 /*
   2  *     Copyright (C) 2007 by Thorsten Staerk and Mathias Soeken <msoeken@tzi.de>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation; either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License along
  15  *   with this program; if not, write to the
  16  *      Free Software Foundation, Inc.
  17  *      51 Franklin Street, Fifth Floor
  18  *      Boston, MA  02110-1301  USA.
  19  *
  20  */
  21
  22 #include "historydialog.h"
  23 #include "ui_historydialog.h"
  24 #include "taskview.h"
  25 #include <QItemDelegate>
  26 #include <KDateTimeWidget>
  27 #include <KMessageBox>
  28
  29 class HistoryWidgetDelegate : public QItemDelegate
  30 {
  31
  32 public:
  33     HistoryWidgetDelegate( QObject *parent = 0 ) : QItemDelegate( parent ) {}
  34
  35     QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &) const
  36     {
  37         KDateTimeWidget *editor = new KDateTimeWidget( parent );
  38         editor->setAutoFillBackground( true );
  39         editor->setPalette( option.palette );
  40         editor->setBackgroundRole( QPalette::Background );
  41         return editor;
  42     }
  43
  44     void setEditorData( QWidget *editor, const QModelIndex &index ) const
  45     {
  46         QDateTime dateTime = QDateTime::fromString( index.model()->data( index, Qt::DisplayRole ).toString(), "yyyy-MM-dd HH:mm:ss" );
  47         KDateTimeWidget *dateTimeWidget = static_cast<KDateTimeWidget*>( editor );
  48         dateTimeWidget->setDateTime( dateTime );
  49     }
  50
  51     void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
  52     {
  53         KDateTimeWidget *dateTimeWidget = static_cast<KDateTimeWidget*>( editor );
  54         QDateTime dateTime = dateTimeWidget->dateTime();
  55         model->setData( index, dateTime.toString( "yyyy-MM-dd HH:mm:ss" ), Qt::EditRole );
  56     }
  57
  58     void updateEditorGeometry( QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &) const
  59     {
  60         editor->setGeometry( option.rect );
  61     }
  62 };
  63
  64 historydialog::historydialog(TaskView *parent) :
  65     QDialog(parent),
  66     m_ui(new Ui::historydialog)
  67 {
  68     mparent=parent;
  69     m_ui->setupUi(this);
  70     /* Item Delegate for displaying KDateTimeWidget instead of QLineEdit */
  71     HistoryWidgetDelegate *historyWidgetDelegate = new HistoryWidgetDelegate( m_ui->historytablewidget );
  72     m_ui->historytablewidget->setItemDelegateForColumn( 1, historyWidgetDelegate );
  73     m_ui->historytablewidget->setItemDelegateForColumn( 2, historyWidgetDelegate );
  74
  75     m_ui->historytablewidget->setEditTriggers( QAbstractItemView::AllEditTriggers );
  76     m_ui->historytablewidget->setColumnCount(5);
  77     m_ui->historytablewidget->setHorizontalHeaderLabels(
  78     QStringList() << i18n( "Task" ) << i18n( "StartTime" ) << i18n( "EndTime" )
  79                   << i18n( "Comment" ) << QString( "event UID" ) );
  80     m_ui->historytablewidget->horizontalHeader()->setStretchLastSection( true );
  81     m_ui->historytablewidget->setColumnHidden( 4, true );  // hide the "UID" column
  82     listallevents();
  83     m_ui->historytablewidget->setSortingEnabled( true );
  84     m_ui->historytablewidget->sortItems( 1, Qt::DescendingOrder );
  85     m_ui->historytablewidget->resizeColumnsToContents();
  86 }
  87
  88 historydialog::~historydialog()
  89 {
  90     delete m_ui;
  91 }
  92
  93 QString historydialog::listallevents()
  94 {
  95     QString err=QString();
  96     // if sorting is enabled and we write to row x, we cannot be sure row x will be in row x some lines later
  97     bool old_sortingenabled=m_ui->historytablewidget->isSortingEnabled();
  98     m_ui->historytablewidget->setSortingEnabled( false );
  99     connect(  m_ui->historytablewidget, SIGNAL( cellChanged( int, int ) ),
 100               this, SLOT( historyWidgetCellChanged( int, int ) ) );
 101
 102     KCal::Event::List eventList = mparent->storage()->rawevents();
 103     for ( KCal::Event::List::iterator i = eventList.begin();
 104         i != eventList.end(); ++i )
 105     {
 106         int row =  m_ui->historytablewidget->rowCount();
 107         m_ui->historytablewidget->insertRow( row );
 108         QTableWidgetItem* item=0;
 109         if ( (*i)->relatedTo() ) // maybe the file is corrupt and (*i)->relatedTo is NULL
 110         {
 111             item = new QTableWidgetItem( (*i)->relatedTo()->summary() );
 112             item->setFlags( Qt::ItemIsEnabled );
 113             item->setWhatsThis( i18n( "You can change this task's comment, start time and end time." ) );
 114             m_ui->historytablewidget->setItem( row, 0, item );
 115             // dtStart is stored like DTSTART;TZID=Europe/Berlin:20080327T231056
 116             // dtEnd is stored like DTEND:20080327T231509Z
 117             // we need to handle both differently
 118             QDateTime start = QDateTime::fromTime_t( (*i)->dtStart().toTime_t() );
 119             QDateTime end = QDateTime::fromString( (*i)->dtEnd().toString(), Qt::ISODate );
 120             kDebug() << "start =" << start << "; end =" << end;
 121             m_ui->historytablewidget->setItem( row, 1, new QTableWidgetItem( start.toString( "yyyy-MM-dd HH:mm:ss" ) ) );
 122             m_ui->historytablewidget->setItem( row, 2, new QTableWidgetItem( end.toString( "yyyy-MM-dd HH:mm:ss" ) ) );
 123             m_ui->historytablewidget->setItem( row, 4, new QTableWidgetItem( (*i)->uid() ) );
 124             kDebug() <<"(*i)->comments.count() ="  << (*i)->comments().count();
 125             if ( (*i)->comments().count() > 0 )
 126             {
 127                 m_ui->historytablewidget->setItem( row, 3, new QTableWidgetItem( (*i)->comments().last() ) );
 128             }
 129         }
 130         else
 131         {
 132             kDebug(5970) << "There is no 'relatedTo' entry for " << (*i)->summary();
 133             err="NoRelatedToForEvent";
 134         }
 135     }
 136     m_ui->historytablewidget->resizeColumnsToContents();
 137     m_ui->historytablewidget->setColumnWidth( 1, 300 );
 138     m_ui->historytablewidget->setColumnWidth( 2, 300 );
 139     setMinimumSize(  m_ui->historytablewidget->columnWidth( 0 )
 140                   +  m_ui->historytablewidget->columnWidth( 1 )
 141                   +  m_ui->historytablewidget->columnWidth( 2 )
 142                   +  m_ui->historytablewidget->columnWidth( 3 ), height() );
 143     m_ui->historytablewidget->setSortingEnabled(old_sortingenabled);
 144     return err;
 145 }
 146
 147 void historydialog::changeEvent(QEvent *e)
 148 {
 149     QDialog::changeEvent(e);
 150     switch (e->type())
 151     {
 152         case QEvent::LanguageChange:
 153             m_ui->retranslateUi(this);
 154             break;
 155         default:
 156             break;
 157     }
 158 }
 159
 160 void historydialog::historyWidgetCellChanged( int row, int col )
 161 {
 162     kDebug( 5970 ) << "Entering function";
 163     kDebug( 5970 ) << "row =" << row << " col =" << col;
 164     if ( m_ui->historytablewidget->item( row, 4 ) )
 165     { // the user did the change, not the program
 166         if ( col == 1 )
 167         { // StartDate changed
 168             kDebug( 5970 ) << "user changed StartDate to" << m_ui->historytablewidget->item( row, col )->text();
 169             QString uid = m_ui->historytablewidget->item( row, 4 )->text();
 170             KCal::Event::List eventList = mparent->storage()->rawevents();
 171             for( KCal::Event::List::iterator i = eventList.begin(); i != eventList.end(); ++i )
 172             {
 173                 kDebug(5970) << "row=" << row <<" col=" << col;
 174                 if ( (*i)->uid() == uid )
 175                 {
 176                     if ( KDateTime::fromString( m_ui->historytablewidget->item( row, col )->text() ).isValid() )
 177                     {
 178                         QDateTime datetime = QDateTime::fromString( m_ui->historytablewidget->item( row, col )->text(), "yyyy-MM-dd HH:mm:ss" );
 179                         KDateTime kdatetime = KDateTime::fromString( datetime.toString( Qt::ISODate ) );
 180                         (*i)->setDtStart( kdatetime );
 181                         mparent->reFreshTimes();
 182                         kDebug(5970) <<"Program SetDtStart to" << m_ui->historytablewidget->item( row, col )->text();
 183                     }
 184                     else
 185                         KMessageBox::information( 0, i18n( "This is not a valid Date/Time." ) );
 186                 }
 187             }
 188         }
 189         if ( col == 2 )
 190         { // EndDate changed
 191             kDebug( 5970 ) <<"user changed EndDate to" << m_ui->historytablewidget->item(row,col)->text();
 192             QString uid = m_ui->historytablewidget->item( row, 4 )->text();
 193             KCal::Event::List eventList = mparent->storage()->rawevents();
 194             for( KCal::Event::List::iterator i = eventList.begin(); i != eventList.end(); ++i)
 195             {
 196                 kDebug() <<"row=" << row <<" col=" << col;
 197                 if ( (*i)->uid() == uid )
 198                 {
 199                     if ( KDateTime::fromString( m_ui->historytablewidget->item( row, col )->text() ).isValid() )
 200                     {
 201                         QDateTime datetime = QDateTime::fromString( m_ui->historytablewidget->item( row, col )->text(), "yyyy-MM-dd HH:mm:ss" );
 202                         KDateTime kdatetime = KDateTime::fromString( datetime.toString( Qt::ISODate ) );
 203                         (*i)->setDtEnd( kdatetime );
 204                         mparent->reFreshTimes();
 205                         kDebug(5970) <<"Program SetDtEnd to" << m_ui->historytablewidget->item( row, col )->text();
 206                     }
 207                     else
 208                         KMessageBox::information( 0, i18n( "This is not a valid Date/Time." ) );
 209                 }
 210             }
 211         }
 212         if ( col == 3 )
 213         { // Comment changed
 214             kDebug( 5970 ) <<"user changed Comment to" << m_ui->historytablewidget->item(row,col)->text();
 215             QString uid = m_ui->historytablewidget->item( row, 4 )->text();
 216             kDebug() <<"uid =" << uid;
 217             KCal::Event::List eventList = mparent->storage()->rawevents();
 218             for ( KCal::Event::List::iterator i = eventList.begin(); i != eventList.end(); ++i )
 219             {
 220                 kDebug() <<"row=" << row <<" col=" << col;
 221                 if ( (*i)->uid() == uid )
 222                 {
 223                     (*i)->addComment( m_ui->historytablewidget->item( row, col )->text() );
 224                     kDebug() <<"added" << m_ui->historytablewidget->item( row, col )->text();
 225                 }
 226             }
 227         }
 228     }
 229 }
 230
 231 QString historydialog::refresh()
 232 {
 233     QString err;
 234     while (m_ui->historytablewidget->rowCount()>0)
 235         m_ui->historytablewidget->removeRow(0);
 236     listallevents();
 237     return err;
 238 }
 239
 240 #include "historydialog.moc"
 241
 242 void historydialog::on_deletepushbutton_clicked()
 243 {
 244     if (m_ui->historytablewidget->item( m_ui->historytablewidget->currentRow(), 4))
 245     { // if an item is current
 246         QString uid = m_ui->historytablewidget->item( m_ui->historytablewidget->currentRow(), 4 )->text();
 247         kDebug() <<"uid =" << uid;
 248         KCal::Event::List eventList = mparent->storage()->rawevents();
 249         for ( KCal::Event::List::iterator i = eventList.begin(); i != eventList.end(); ++i )
 250         {
 251             if ( (*i)->uid() == uid )
 252             {
 253                 kDebug(5970) << "removing uid " << (*i)->uid();
 254                 mparent->storage()->removeEvent((*i)->uid());
 255                 mparent->reFreshTimes();
 256                 this->refresh();
 257             }
 258         }
 259     }
 260     else KMessageBox::information(this, "Please select a task to delete.");
 261 }