Add DiveSitePicturesModel

This model should be used inside the Edit Dive Site mode.
It should display all photos from all dives that are part
of this dive site, ignoring trips.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

CMakeLists.txt

@@ -364,6 +364,7 @@ set(SUBSURFACE_MODELS_LIB_SRCS
 	qt-models/divepicturemodel.cpp
 	qt-models/diveplotdatamodel.cpp
 	qt-models/divelocationmodel.cpp
+	qt-models/divesitepicturesmodel.cpp
 )
 source_group("Subsurface Models" FILES ${SUBSURFACE_MODELS})
 

qt-models/divepicturemodel.cpp

@@ -5,12 +5,7 @@
 
 #include <QtConcurrent>
 
-typedef QList<struct picture *> SPictureList;
-typedef struct picture *picturepointer;
-typedef QPair<picturepointer, QImage> SPixmap;
-
-
-static SPixmap scaleImages(picturepointer picture)
+SPixmap scaleImages(picturepointer picture)
 {
 	static QHash <QString, QImage > cache;
 	SPixmap ret;
@@ -126,4 +121,4 @@ void DivePictureModel::removePicture(const QString &fileUrl)
 int DivePictureModel::rowCount(const QModelIndex &parent) const
 {
 	return numberOfPictures;
-}
+}

qt-models/divepicturemodel.h

@@ -12,12 +12,19 @@ public:
 	SHashedImage(struct picture *picture);
 };
 
-
 struct PhotoHelper {
 	QImage image;
 	int offsetSeconds;
 };
 
+
+typedef QList<struct picture *> SPictureList;
+typedef struct picture *picturepointer;
+typedef QPair<picturepointer, QImage> SPixmap;
+
+// function that will scale the pixmap, used inside the QtConcurrent thread.
+SPixmap scaleImages(picturepointer picture);
+
 class DivePictureModel : public QAbstractTableModel {
 	Q_OBJECT
 public:
@@ -25,11 +32,11 @@ public:
 	virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
 	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
-	void updateDivePictures();
+	virtual void updateDivePictures();
 	void updateDivePicturesWhenDone(QList<QFuture<void> >);
 	void removePicture(const QString& fileUrl);
 
-private:
+protected:
 	DivePictureModel();
 	int numberOfPictures;
 	// Currently, load the images on the fly
@@ -38,4 +45,4 @@ private:
 	QHash<QString, PhotoHelper> stringPixmapCache;
 };
 
-#endif
+#endif

qt-models/divesitepicturesmodel.cpp

@@ -0,0 +1,45 @@
+#include "divesitepicturesmodel.h"
+#include "dive.h"
+#include "stdint.h"
+
+#include <QtConcurrent>
+#include <QPixmap>
+
+DiveSitePicturesModel* DiveSitePicturesModel::instance() {
+	static DiveSitePicturesModel *self = new DiveSitePicturesModel();
+	return self;
+}
+
+DiveSitePicturesModel::DiveSitePicturesModel() {
+
+}
+
+void DiveSitePicturesModel::updateDivePictures() {
+	beginResetModel();
+	numberOfPictures = 0;
+	endResetModel();
+
+	const uint32_t ds_uuid = displayed_dive_site.uuid;
+	struct dive *d;
+	int i;
+
+	stringPixmapCache.clear();
+	SPictureList pictures;
+
+	for_each_dive (i, d) {
+		if (d->dive_site_uuid == ds_uuid && dive_get_picture_count(d)) {
+			FOR_EACH_PICTURE(d) {
+				stringPixmapCache[QString(picture->filename)].offsetSeconds = picture->offset.seconds;
+				pictures.push_back(picture);
+			}
+		}
+	}
+
+	QList<SPixmap> list = QtConcurrent::blockingMapped(pictures, scaleImages);
+	Q_FOREACH (const SPixmap &pixmap, list)
+		stringPixmapCache[pixmap.first->filename].image = pixmap.second;
+
+	numberOfPictures = list.count();
+	beginInsertRows(QModelIndex(), 0, numberOfPictures - 1);
+	endInsertRows();
+}

qt-models/divesitepicturesmodel.h

@@ -0,0 +1,15 @@
+#ifndef DIVESITEPICTURESMODEL_H
+#define DIVESITEPICTURESMODEL_H
+
+#include "divepicturemodel.h"
+
+class DiveSitePicturesModel : public DivePictureModel {
+	Q_OBJECT
+public:
+	static DiveSitePicturesModel *instance();
+	void updateDivePictures();
+private:
+	DiveSitePicturesModel();
+};
+
+#endif

qt-ui/locationinformation.h

@@ -51,6 +51,6 @@ signals:
 	void setLineEditText(const QString& text);
 private:
 	uint32_t last_uuid;
-
 };
+
 #endif