homescreenapp/hsutils/src/hsimagegridwidget.cpp
changeset 35 f9ce957a272c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/hsutils/src/hsimagegridwidget.cpp	Fri Mar 19 09:27:44 2010 +0200
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <QStandardItemModel>
+#include <QGraphicsLinearLayout>
+
+#include <HbGridView>
+#include <HbAction>
+#include <HbInstance>
+
+#include "hsimagegridwidget.h"
+
+#ifdef COVERAGE_MEASUREMENT
+#pragma CTC SKIP
+#endif //COVERAGE_MEASUREMENT
+
+namespace
+{
+    const int FILENAMEROLE = Qt::UserRole + 1;
+}
+
+/*!
+    \class HsImageGridWidget
+    \ingroup group_hsutils
+    \brief Widget which shows images in a grid. 
+ */
+
+/*!
+    Constructor.
+    \a imageFiles List of absolut paths to image files.
+    \a parent Parent item.
+*/
+HsImageGridWidget::HsImageGridWidget(const QStringList &imageFiles,
+                                     QGraphicsItem *parent)
+    : HbView(parent),
+      mGridModel(new QStandardItemModel(this))
+{
+    mGridView = new HbGridView();
+    mGridView->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAutoHide);
+    mGridView->setSelectionMode(HbAbstractItemView::NoSelection);
+    mGridView->setModel(mGridModel);
+
+    connect(mGridView,
+            SIGNAL(activated(QModelIndex)),
+            SLOT(gridItemActivated(QModelIndex)));
+
+    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout;
+    layout->addItem(mGridView);
+    setLayout(layout);
+
+    setContent(imageFiles);
+}
+
+/*!
+    Destructor
+*/
+HsImageGridWidget::~HsImageGridWidget()
+{
+}
+
+/*!
+    Sets content image files to widget.
+    \a images List of absolut paths to image files.
+*/
+void HsImageGridWidget::setContent(const QStringList &images)
+{
+    mGridModel->clear();
+    QSize targetSize(150, 150);
+    QList<QStandardItem *> items;
+    QStandardItem *standardItem = 0;
+    for (int i = 0; i < images.count(); ++i) {
+        QPixmap original(images[i]);
+        QIcon scaledIcon(original.scaled(targetSize, Qt::KeepAspectRatio));
+        standardItem = new QStandardItem();
+        standardItem->setData(HbIcon(scaledIcon), Qt::DecorationRole);
+        standardItem->setData(images[i], FILENAMEROLE);
+        items << standardItem;
+    }
+    mGridModel->appendColumn(items);
+}
+
+/*!
+    \fn void HsImageGridWidget::imageSelected(const QString& aSelectedImage)
+    Emitted when image is selected from a grid
+    \a aImageFiles List of absolut paths to image files.
+*/
+
+/*!
+    Finds item from model and emits imageSelected
+    \a index is the index of selected image
+*/
+void HsImageGridWidget::gridItemActivated(const QModelIndex &index)
+{
+    QVariant data = mGridModel->data(index, FILENAMEROLE);
+    emit imageSelected( data.toString() );
+}
+
+#ifdef COVERAGE_MEASUREMENT
+#pragma CTC ENDSKIP
+#endif //COVERAGE_MEASUREMENT