src/panels/information/metadatawidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   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 "metadatawidget.h"
  21
  22 #include <kfileitem.h>
  23 #include <klocale.h>
  24
  25 #include <config-nepomuk.h>
  26 #ifdef HAVE_NEPOMUK
  27 #include "commentwidget_p.h"
  28 #include "nepomukmassupdatejob_p.h"
  29 #include "taggingwidget_p.h"
  30 #endif
  31
  32 #include <nepomuk/kratingwidget.h>
  33
  34 #include <QGridLayout>
  35 #include <QLabel>
  36 #include <QList>
  37 #include <QString>
  38
  39 class MetaDataWidget::Private
  40 {
  41 public:
  42     struct Row
  43     {
  44         QLabel* label;
  45         QWidget* infoWidget;
  46     };
  47
  48     Private(MetaDataWidget* parent);
  49     ~Private();
  50
  51     void addRow(QLabel* label, QWidget* infoWidget);
  52     void setRowVisible(QWidget* infoWidget, bool visible);
  53
  54     QList<Row> m_rows;
  55
  56     QGridLayout* m_gridLayout;
  57
  58     QLabel* m_typeInfo;
  59     QLabel* m_sizeLabel;
  60     QLabel* m_sizeInfo;
  61     QLabel* m_modifiedInfo;
  62     QLabel* m_ownerInfo;
  63     QLabel* m_permissionsInfo;
  64 #ifdef HAVE_NEPOMUK
  65     KRatingWidget* m_ratingWidget;
  66     TaggingWidget* m_taggingWidget;
  67     CommentWidget* m_commentWidget;
  68 #endif
  69
  70 private:
  71     MetaDataWidget* const q;
  72 };
  73
  74 MetaDataWidget::Private::Private(MetaDataWidget* parent) :
  75     m_rows(),
  76     m_gridLayout(0),
  77     m_typeInfo(0),
  78     m_sizeLabel(0),
  79     m_sizeInfo(0),
  80     m_modifiedInfo(0),
  81     m_ownerInfo(0),
  82     m_permissionsInfo(0),
  83 #ifdef HAVE_NEPOMUK
  84     m_ratingWidget(0),
  85     m_taggingWidget(0),
  86     m_commentWidget(0),
  87 #endif
  88     q(parent)
  89 {
  90     m_gridLayout = new QGridLayout(parent);
  91
  92     m_typeInfo = new QLabel(parent);
  93     m_sizeLabel = new QLabel(parent);
  94     m_sizeInfo = new QLabel(parent);
  95     m_modifiedInfo = new QLabel(parent);
  96     m_ownerInfo = new QLabel(parent);
  97     m_permissionsInfo = new QLabel(parent);
  98 #ifdef HAVE_NEPOMUK
  99     m_ratingWidget = new KRatingWidget(parent);
 100     m_taggingWidget = new TaggingWidget(parent);
 101     m_commentWidget = new CommentWidget(parent);
 102 #endif
 103
 104     addRow(new QLabel(i18nc("@label", "Type:"), parent), m_typeInfo);
 105     addRow(m_sizeLabel, m_sizeInfo);
 106     addRow(new QLabel(i18nc("@label", "Modified:"), parent), m_modifiedInfo);
 107     addRow(new QLabel(i18nc("@label", "Owner:"), parent), m_ownerInfo);
 108     addRow(new QLabel(i18nc("@label", "Permissions:"), parent), m_permissionsInfo);
 109 #ifdef HAVE_NEPOMUK
 110     addRow(new QLabel(i18nc("@label", "Rating:"), parent), m_ratingWidget);
 111     addRow(new QLabel(i18nc("@label", "Tags:"), parent), m_taggingWidget);
 112     addRow(new QLabel(i18nc("@label", "Comment:"), parent), m_commentWidget);
 113 #endif
 114 }
 115
 116 MetaDataWidget::Private::~Private()
 117 {
 118 }
 119
 120 void MetaDataWidget::Private::addRow(QLabel* label, QWidget* infoWidget)
 121 {
 122     Row row;
 123     row.label = label;
 124     row.infoWidget = infoWidget;
 125     m_rows.append(row);
 126
 127     QPalette palette = label->palette();
 128     QColor textColor = palette.color(QPalette::Text);
 129     textColor.setAlpha(128);
 130     palette.setColor(QPalette::WindowText, textColor);
 131     label->setPalette(palette);
 132
 133     const int rowIndex = m_rows.count();
 134     m_gridLayout->addWidget(label, rowIndex, 0, Qt::AlignLeft);
 135     m_gridLayout->addWidget(infoWidget, rowIndex, 1, Qt::AlignRight);
 136 }
 137
 138 void MetaDataWidget::Private::setRowVisible(QWidget* infoWidget, bool visible)
 139 {
 140     foreach (const Row& row, m_rows) {
 141         if (row.infoWidget == infoWidget) {
 142             row.label->setVisible(visible);
 143             row.infoWidget->setVisible(visible);
 144             return;
 145         }
 146     }
 147 }
 148
 149
 150 MetaDataWidget::MetaDataWidget(QWidget* parent) :
 151     QWidget(parent),
 152     d(new Private(this))
 153 {
 154 }
 155
 156 MetaDataWidget::~MetaDataWidget()
 157 {
 158     delete d;
 159 }
 160
 161 void MetaDataWidget::setItem(const KFileItem& item)
 162 {
 163     // update values for "type", "size", "modified",
 164     // "owner" and "permissions" synchronously
 165     d->m_sizeLabel->setText(i18nc("@label", "Size:"));
 166     if (item.isDir()) {
 167         d->m_typeInfo->setText(i18nc("@label", "Folder"));
 168         d->setRowVisible(d->m_sizeInfo, false);
 169     } else {
 170         d->m_typeInfo->setText(item.mimeComment());
 171         d->m_sizeInfo->setText(KIO::convertSize(item.size()));
 172         d->setRowVisible(d->m_sizeInfo, true);
 173     }
 174     d->m_modifiedInfo->setText(item.timeString());
 175     d->m_ownerInfo->setText(item.user());
 176     d->m_permissionsInfo->setText(item.permissionsString());
 177
 178     setItems(KFileItemList() << item);
 179 }
 180
 181 void MetaDataWidget::setItems(const KFileItemList& items)
 182 {
 183     if (items.count() > 1) {
 184         // calculate the size of all items and show this
 185         // information to the user
 186         d->m_sizeLabel->setText(i18nc("@label", "Total Size:"));
 187         d->setRowVisible(d->m_sizeInfo, true);
 188
 189         quint64 totalSize = 0;
 190         foreach (const KFileItem& item, items) {
 191             if (!item.isDir() && !item.isLink()) {
 192                 totalSize += item.size();
 193             }
 194         }
 195         d->m_sizeInfo->setText(KIO::convertSize(totalSize));
 196     }
 197 }
 198
 199 #include "metadatawidget.moc"