* improved interface + documentation of MetaDataWidget

* provide a configuration dialog for adjusting the visibility of the meta data

svn path=/trunk/KDE/kdebase/apps/; revision=1036058

1 files changed, 147 insertions, 0 deletions

diff --git a/src/panels/information/metadataconfigurationdialog.cpp b/src/panels/information/metadataconfigurationdialog.cpp
new file mode 100644
index 000000000..42343780f
--- /dev/null
+++ b/src/panels/information/metadataconfigurationdialog.cpp
@@ -0,0 +1,147 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Peter Penz <[email protected]>                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
+ ***************************************************************************/
+
+#include "metadataconfigurationdialog_p.h"
+
+#include "metadatawidget.h"
+
+#include <klocale.h>
+
+#define DISABLE_NEPOMUK_LEGACY
+#include <Nepomuk/Resource>
+#include <Nepomuk/Types/Property>
+#include <Nepomuk/Variant>
+
+#include <QLabel>
+#include <QListWidget>
+#include <QVBoxLayout>
+
+MetaDataConfigurationDialog::MetaDataConfigurationDialog(const KUrl& url,
+                                                         QWidget* parent,
+                                                         Qt::WFlags flags) :
+    KDialog(parent, flags),
+    m_url(url),
+    m_metaDataList(0)
+{
+    setCaption(i18nc("@title:window", "Configure Shown Data"));
+    setButtons(KDialog::Ok | KDialog::Cancel);
+    setDefaultButton(KDialog::Ok);
+
+    QWidget* mainWidget = new QWidget(this);
+    QVBoxLayout* topLayout = new QVBoxLayout(mainWidget);
+
+    QLabel* label = new QLabel(i18nc("@label:textbox",
+                                     "Configure which data should "
+                                     "be shown."), this);
+
+    m_metaDataList = new QListWidget(this);
+    m_metaDataList->setSelectionMode(QAbstractItemView::NoSelection);
+
+    topLayout->addWidget(label);
+    topLayout->addWidget(m_metaDataList);
+
+    setMainWidget(mainWidget);
+
+    loadMetaData();
+}
+
+MetaDataConfigurationDialog::~MetaDataConfigurationDialog()
+{
+}
+
+void MetaDataConfigurationDialog::slotButtonClicked(int button)
+{
+    if (button == KDialog::Ok) {
+        KConfig config("kmetainformationrc", KConfig::NoGlobals);
+        KConfigGroup showGroup = config.group("Show");
+    
+        const int count = m_metaDataList->count();
+        for (int i = 0; i < count; ++i) {
+            QListWidgetItem* item = m_metaDataList->item(i);
+            const bool show = (item->checkState() == Qt::Checked);
+            const QString key = item->data(Qt::UserRole).toString();
+            showGroup.writeEntry(key, show);
+        }
+    
+        showGroup.sync();
+
+        accept();
+    } else {
+        KDialog::slotButtonClicked(button);
+    }
+}
+
+void MetaDataConfigurationDialog::loadMetaData()
+{
+    KConfig config("kmetainformationrc", KConfig::NoGlobals);
+    KConfigGroup settings = config.group("Show");
+
+    // Add fixed meta data items where the visibility does not
+    // depend on the currently used URL.
+    typedef QPair<QString, QString> FixedItem;
+    QList<FixedItem> fixedItems;
+    fixedItems.append(FixedItem("type",        i18nc("@item::inlistbox", "Type")));
+    fixedItems.append(FixedItem("size",        i18nc("@item::inlistbox", "Size")));
+    fixedItems.append(FixedItem("modified",    i18nc("@item::inlistbox", "Modified")));
+    fixedItems.append(FixedItem("owner",       i18nc("@item::inlistbox", "Owner")));
+    fixedItems.append(FixedItem("permissions", i18nc("@item::inlistbox", "Permission")));
+    fixedItems.append(FixedItem("rating",      i18nc("@item::inlistbox", "Rating")));
+    fixedItems.append(FixedItem("tags",        i18nc("@item::inlistbox", "Tags")));
+    fixedItems.append(FixedItem("comment",     i18nc("@item::inlistbox", "Comment")));
+
+    foreach (const FixedItem& fixedItem, fixedItems) {
+        const QString key = fixedItem.first;
+        const QString label = fixedItem.second;
+        QListWidgetItem* item = new QListWidgetItem(label, m_metaDataList);
+        item->setData(Qt::UserRole, key);
+        const bool show = settings.readEntry(key, true);
+        item->setCheckState(show ? Qt::Checked : Qt::Unchecked);
+
+    }
+
+    // Get all meta information labels that are available for
+    // the currently shown file item and add them to the list.
+    Nepomuk::Resource res(m_url);
+    QHash<QUrl, Nepomuk::Variant> properties = res.properties();
+    QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin();
+    while (it != properties.constEnd()) {
+        Nepomuk::Types::Property prop(it.key());
+        const QString key = prop.name();
+
+        // Meta information provided by Nepomuk that is already
+        // available from KFileItem should not be configurable.
+        bool skip = (key == "fileExtension") ||
+                    (key == "name") ||
+                    (key == "sourceModified") ||
+                    (key == "size") ||
+                    (key == "mime type");
+        if (!skip) {
+            // const QString label = tunedLabel(prop.label());
+            const QString label = prop.label();
+            QListWidgetItem* item = new QListWidgetItem(label, m_metaDataList);
+            item->setData(Qt::UserRole, key);
+            const bool show = settings.readEntry(key, true);
+            item->setCheckState(show ? Qt::Checked : Qt::Unchecked);
+        }
+
+        ++it;
+    }
+}
+
+#include "metadataconfigurationdialog_p.moc"