From 1b2b63eb3a01025e03ff964f187adda52c62bcb3 Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Fri, 25 Feb 2011 20:39:18 +0100
Subject: Allow to configure thumbnail-plugins

Adjust the preview-settings to allow users to configure thumbnail-plugins. For consistency also the service-settings have been adjusted to use the ServiceModel and ServiceItemDelegate.
---
 src/settings/serviceitemdelegate.cpp | 128 +++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 src/settings/serviceitemdelegate.cpp

(limited to 'src/settings/serviceitemdelegate.cpp')

diff --git a/src/settings/serviceitemdelegate.cpp b/src/settings/serviceitemdelegate.cpp
new file mode 100644
index 000000000..3dc314631
--- /dev/null
+++ b/src/settings/serviceitemdelegate.cpp
@@ -0,0 +1,128 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
+ *                                                                         *
+ *   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 "serviceitemdelegate.h"
+
+#include <KDebug>
+#include <KPushButton>
+
+#include "servicemodel.h"
+
+#include <QAbstractItemView>
+#include <QCheckBox>
+#include <QModelIndex>
+#include <QPainter>
+
+ServiceItemDelegate::ServiceItemDelegate(QAbstractItemView* itemView, QObject* parent) :
+    KWidgetItemDelegate(itemView, parent)
+{
+}
+
+ServiceItemDelegate::~ServiceItemDelegate()
+{
+}
+
+QSize ServiceItemDelegate::sizeHint(const QStyleOptionViewItem &option,
+                                    const QModelIndex &index) const
+{
+    Q_UNUSED(index);
+
+    const QStyle *style = itemView()->style();
+    const int buttonHeight = style->pixelMetric(QStyle::PM_ButtonMargin) * 2 +
+                             style->pixelMetric(QStyle::PM_ButtonIconSize);
+    const int fontHeight = option.fontMetrics.height();
+    return QSize(100, qMax(buttonHeight, fontHeight));
+}
+
+void ServiceItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
+                                  const QModelIndex& index) const
+{
+    Q_UNUSED(index);
+    painter->save();
+
+    itemView()->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
+
+    if (option.state & QStyle::State_Selected) {
+        painter->setPen(option.palette.highlightedText().color());
+    }
+
+    painter->restore();
+}
+
+QList<QWidget*> ServiceItemDelegate::createItemWidgets() const
+{
+    QCheckBox* checkBox = new QCheckBox();
+    connect(checkBox, SIGNAL(clicked(bool)), this, SLOT(slotCheckBoxClicked(bool)));
+
+    KPushButton* configureButton = new KPushButton();
+    connect(configureButton, SIGNAL(clicked()), this, SLOT(slotConfigureButtonClicked()));
+
+    return QList<QWidget*>() << checkBox << configureButton;
+}
+
+void ServiceItemDelegate::updateItemWidgets(const QList<QWidget*> widgets,
+                                              const QStyleOptionViewItem& option,
+                                              const QPersistentModelIndex& index) const
+{
+    QCheckBox* checkBox = static_cast<QCheckBox*>(widgets[0]);
+    KPushButton *configureButton = static_cast<KPushButton*>(widgets[1]);
+
+    const int itemHeight = sizeHint(option, index).height();
+
+    // Update the checkbox showing the service name and icon
+    const QAbstractItemModel* model = index.model();
+    checkBox->setText(model->data(index).toString());
+    const QString iconName = model->data(index, Qt::DecorationRole).toString();
+    if (!iconName.isEmpty()) {
+        checkBox->setIcon(KIcon(iconName));
+    }
+    checkBox->setChecked(model->data(index, Qt::CheckStateRole).toBool());
+
+    const bool configurable = model->data(index, ServiceModel::ConfigurableRole).toBool();
+
+    int checkBoxWidth = option.rect.width();
+    if (configurable) {
+        checkBoxWidth -= configureButton->sizeHint().width();
+    }
+    checkBox->resize(checkBoxWidth, checkBox->sizeHint().height());
+    checkBox->move(0, (itemHeight - checkBox->height()) / 2);
+
+    // Update the configuration button
+    if (configurable) {
+        configureButton->setEnabled(checkBox->isChecked());
+        configureButton->setIcon(KIcon("configure"));
+        configureButton->resize(configureButton->sizeHint());
+        configureButton->move(option.rect.right() - configureButton->width(),
+                              (itemHeight - configureButton->height()) / 2);
+    }
+    configureButton->setVisible(configurable);
+}
+
+void ServiceItemDelegate::slotCheckBoxClicked(bool checked)
+{
+    QAbstractItemModel* model = const_cast<QAbstractItemModel*>(focusedIndex().model());
+    model->setData(focusedIndex(), checked, Qt::CheckStateRole);
+}
+
+void ServiceItemDelegate::slotConfigureButtonClicked()
+{
+    emit requestServiceConfiguration(focusedIndex());
+}
+
+#include "serviceitemdelegate.moc"
-- 
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