src/panels/information/kcommentwidget.cpp

   1 /*****************************************************************************
   2  * Copyright (C) 2008 by Sebastian Trueg <trueg@kde.org>                     *
   3  * Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                      *
   4  *                                                                           *
   5  * This library is free software; you can redistribute it and/or             *
   6  * modify it under the terms of the GNU Library General Public               *
   7  * License version 2 as published by the Free Software Foundation.           *
   8  *                                                                           *
   9  * This library 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 GNU         *
  12  * Library General Public License for more details.                          *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Library General Public License *
  15  * along with this library; see the file COPYING.LIB.  If not, write to      *
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,      *
  17  * Boston, MA 02110-1301, USA.                                               *
  18  *****************************************************************************/
  19
  20 #include "kcommentwidget_p.h"
  21
  22 #include <kdialog.h>
  23 #include <kglobalsettings.h>
  24 #include <klocale.h>
  25
  26 #include <QEvent>
  27 #include <QLabel>
  28 #include <QTextEdit>
  29 #include <QVBoxLayout>
  30
  31 KCommentWidget::KCommentWidget(QWidget* parent) :
  32     QWidget(parent),
  33     m_readOnly(false),
  34     m_label(0),
  35     m_comment()
  36 {
  37     m_label = new QLabel(this);
  38     m_label->setFont(KGlobalSettings::smallestReadableFont());
  39     m_label->setWordWrap(true);
  40     m_label->setAlignment(Qt::AlignTop);
  41     connect(m_label, SIGNAL(linkActivated(const QString&)), this, SLOT(slotLinkActivated(const QString&)));
  42
  43     QVBoxLayout* layout = new QVBoxLayout(this);
  44     layout->setMargin(0);
  45     layout->addWidget(m_label);
  46
  47     setText(m_comment);
  48 }
  49
  50 KCommentWidget::~KCommentWidget()
  51 {
  52 }
  53
  54 void KCommentWidget::setText(const QString& comment)
  55 {
  56     QString text;
  57     if (comment.isEmpty()) {
  58         if (m_readOnly) {
  59             text = "-";
  60         } else {
  61             text = "<a href=\"addComment\">" + i18nc("@label", "Add Comment...") + "</a>";
  62         }
  63     } else {
  64         if (m_readOnly) {
  65             text = comment;
  66         } else {
  67             text = "<p>" + comment + " <a href=\"changeComment\">" + i18nc("@label", "Change...") + "</a></p>";
  68         }
  69     }
  70
  71     m_label->setText(text);
  72     m_comment = comment;
  73 }
  74
  75 QString KCommentWidget::text() const
  76 {
  77     return m_comment;
  78 }
  79
  80 void KCommentWidget::setReadOnly(bool readOnly)
  81 {
  82     m_readOnly = readOnly;
  83     setText(m_comment);
  84 }
  85
  86 bool KCommentWidget::isReadOnly() const
  87 {
  88     return m_readOnly;
  89 }
  90
  91 bool KCommentWidget::event(QEvent* event)
  92 {
  93     if (event->type() == QEvent::Polish) {
  94         m_label->setForegroundRole(foregroundRole());
  95     }
  96     return QWidget::event(event);
  97 }
  98
  99 void KCommentWidget::slotLinkActivated(const QString& link)
 100 {
 101     KDialog dialog(this, Qt::Dialog);
 102
 103     QTextEdit* editor = new QTextEdit(&dialog);
 104     editor->setText(m_comment);
 105
 106     dialog.setMainWidget(editor);
 107
 108     const QString caption = (link == "changeComment") ?
 109                             i18nc("@title:window", "Change Comment") :
 110                             i18nc("@title:window", "Add Comment");
 111     dialog.setCaption(caption);
 112     dialog.setButtons(KDialog::Ok | KDialog::Cancel);
 113     dialog.setDefaultButton(KDialog::Ok);
 114
 115     KConfigGroup dialogConfig(KGlobal::config(), "Nepomuk KEditCommentDialog");
 116     dialog.restoreDialogSize(dialogConfig);
 117
 118     if (dialog.exec() == QDialog::Accepted) {
 119         const QString oldText = m_comment;
 120         setText(editor->toPlainText());
 121         if (oldText != m_comment) {
 122             emit commentChanged(m_comment);
 123         }
 124     }
 125
 126     dialog.saveDialogSize(dialogConfig, KConfigBase::Persistent);
 127 }
 128
 129 #include "kcommentwidget_p.moc"