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102 lines
2.3 KiB
C++
102 lines
2.3 KiB
C++
#include "divepicturewidget.h"
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#include <dive.h>
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#include <qtconcurrentmap.h>
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#include <qdir.h>
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void DivePictureDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QStyledItemDelegate::paint(painter, option, index);
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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()
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{
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}
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typedef QPair<QString, QImage> SPixmap;
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typedef QList<SPixmap> SPixmapList;
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SPixmap scaleImages(const QString &s)
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{
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QImage p = QImage(s).scaled(128, 128, Qt::KeepAspectRatio);
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SPixmap ret;
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ret.first = s;
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ret.second = p;
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return ret;
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}
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void DivePictureModel::updateDivePictures(int divenr)
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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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struct dive *d = get_dive(divenr);
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numberOfPictures = dive_get_picture_count(d);
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if (!d || numberOfPictures == 0) {
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return;
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}
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stringPixmapCache.clear();
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QStringList pictures;
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FOR_EACH_PICTURE (d) {
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stringPixmapCache[QString(picture->filename)].picture = picture;
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pictures.push_back(QString(picture->filename));
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}
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SPixmapList retList = QtConcurrent::blockingMapped<SPixmapList>(pictures, scaleImages);
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Q_FOREACH (const SPixmap &pixmap, retList)
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stringPixmapCache[pixmap.first].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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}
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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((void *)stringPixmapCache[key].picture);
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}
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}
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return ret;
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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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DivePictureWidget::DivePictureWidget(QWidget *parent) : QListView(parent)
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{
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}
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