src/panels/information/commentwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Sebastian Trueg <trueg@kde.org>                 *
   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     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "commentwidget.h"
  21
  22 #include <QtGui/QLabel>
  23 #include <QtGui/QTextEdit>
  24 #include <QtGui/QLayout>
  25 #include <QtGui/QCursor>
  26 #include <QtCore/QEvent>
  27
  28 #include <KLocale>
  29
  30
  31 class CommentWidget::Private
  32 {
  33 public:
  34     Private( CommentWidget* parent )
  35         : q( parent ) {
  36     }
  37
  38     void update();
  39     void _k_slotEnableEditing();
  40
  41     QTextEdit* textEdit;
  42     QLabel* addComment;
  43
  44     QString comment;
  45
  46 private:
  47     CommentWidget* q;
  48 };
  49
  50
  51 void CommentWidget::Private::update()
  52 {
  53     textEdit->setText( comment );
  54     const bool hasComment = !comment.isEmpty();
  55     textEdit->setVisible(hasComment);
  56     addComment->setVisible(!hasComment);
  57 }
  58
  59
  60 void CommentWidget::Private::_k_slotEnableEditing()
  61 {
  62     textEdit->show();
  63     textEdit->setFocus();
  64     addComment->hide();
  65 }
  66
  67
  68
  69 CommentWidget::CommentWidget( QWidget* parent )
  70     : QWidget( parent ),
  71       d( new Private( this ) )
  72 {
  73     d->textEdit = new QTextEdit( this );
  74     d->textEdit->installEventFilter( this );
  75     d->textEdit->setMinimumHeight( 100 );
  76     d->textEdit->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Ignored);
  77
  78     d->addComment = new QLabel( this );
  79     d->addComment->setText( "<p align=center><a style=\"font-size:small;\" href=\"addComment\">" + i18nc( "@label", "Add Comment..." ) + "</a>" );
  80
  81     QVBoxLayout* layout = new QVBoxLayout( this );
  82     layout->setMargin( 0 );
  83     layout->addWidget( d->textEdit );
  84     layout->addWidget( d->addComment );
  85     d->update();
  86     connect( d->addComment, SIGNAL( linkActivated( const QString& ) ), this, SLOT( _k_slotEnableEditing() ) );
  87 }
  88
  89
  90 CommentWidget::~CommentWidget()
  91 {
  92     delete d;
  93 }
  94
  95
  96 void CommentWidget::setComment( const QString& comment )
  97 {
  98     d->comment = comment;
  99     d->update();
 100 }
 101
 102
 103 QString CommentWidget::comment() const
 104 {
 105     return d->comment;
 106 }
 107
 108
 109 QString CommentWidget::editorText() const
 110 {
 111     return d->textEdit->toPlainText();
 112 }
 113
 114 bool CommentWidget::eventFilter( QObject* watched, QEvent* event )
 115 {
 116     if ( watched == d->textEdit && event->type() == QEvent::FocusOut ) {
 117         const QString currentComment = editorText();
 118         if ( currentComment != d->comment ) {
 119             d->comment = currentComment;
 120             emit commentChanged( currentComment );
 121         }
 122         d->update();
 123     }
 124     return QWidget::eventFilter( watched, event );
 125 }
 126
 127 #include "commentwidget.moc"