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ed30059183
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>
124 lines
2.9 KiB
C++
124 lines
2.9 KiB
C++
#include "divepicturemodel.h"
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#include "dive.h"
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#include "metrics.h"
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#include "divelist.h"
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#include <QtConcurrent>
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SPixmap scaleImages(picturepointer picture)
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{
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static QHash <QString, QImage > cache;
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SPixmap ret;
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ret.first = picture;
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if (cache.contains(picture->filename) && !cache.value(picture->filename).isNull()) {
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ret.second = cache.value(picture->filename);
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} else {
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int dim = defaultIconMetrics().sz_pic;
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QImage p = SHashedImage(picture);
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if(!p.isNull())
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p = p.scaled(dim, dim, Qt::KeepAspectRatio);
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cache.insert(picture->filename, p);
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ret.second = p;
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}
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return ret;
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}
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DivePictureModel *DivePictureModel::instance()
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{
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static DivePictureModel *self = new DivePictureModel();
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return self;
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}
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DivePictureModel::DivePictureModel() : numberOfPictures(0)
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{
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}
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void DivePictureModel::updateDivePicturesWhenDone(QList<QFuture<void> > futures)
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{
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Q_FOREACH (QFuture<void> f, futures) {
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f.waitForFinished();
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}
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updateDivePictures();
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}
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void DivePictureModel::updateDivePictures()
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{
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if (numberOfPictures != 0) {
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beginRemoveRows(QModelIndex(), 0, numberOfPictures - 1);
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numberOfPictures = 0;
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endRemoveRows();
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}
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// if the dive_table is empty, ignore the displayed_dive
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numberOfPictures = dive_table.nr == 0 ? 0 : dive_get_picture_count(&displayed_dive);
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if (numberOfPictures == 0) {
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return;
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}
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stringPixmapCache.clear();
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SPictureList pictures;
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FOR_EACH_PICTURE_NON_PTR(displayed_dive) {
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stringPixmapCache[QString(picture->filename)].offsetSeconds = picture->offset.seconds;
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pictures.push_back(picture);
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}
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QList<SPixmap> list = QtConcurrent::blockingMapped(pictures, scaleImages);
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Q_FOREACH (const SPixmap &pixmap, list)
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stringPixmapCache[pixmap.first->filename].image = pixmap.second;
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beginInsertRows(QModelIndex(), 0, numberOfPictures - 1);
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endInsertRows();
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}
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int DivePictureModel::columnCount(const QModelIndex &parent) const
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{
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return 2;
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}
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QVariant DivePictureModel::data(const QModelIndex &index, int role) const
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{
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QVariant ret;
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if (!index.isValid())
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return ret;
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QString key = stringPixmapCache.keys().at(index.row());
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if (index.column() == 0) {
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switch (role) {
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case Qt::ToolTipRole:
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ret = key;
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break;
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case Qt::DecorationRole:
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ret = stringPixmapCache[key].image;
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break;
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case Qt::DisplayRole:
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ret = QFileInfo(key).fileName();
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break;
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case Qt::DisplayPropertyRole:
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ret = QFileInfo(key).filePath();
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}
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} else if (index.column() == 1) {
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switch (role) {
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case Qt::UserRole:
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ret = QVariant::fromValue((int)stringPixmapCache[key].offsetSeconds);
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break;
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case Qt::DisplayRole:
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ret = key;
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}
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}
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return ret;
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}
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void DivePictureModel::removePicture(const QString &fileUrl)
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{
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dive_remove_picture(fileUrl.toUtf8().data());
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copy_dive(current_dive, &displayed_dive);
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updateDivePictures();
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mark_divelist_changed(true);
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}
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int DivePictureModel::rowCount(const QModelIndex &parent) const
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{
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return numberOfPictures;
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}
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