149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
#include "progressmodel.h"
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#include <QImage>
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#include <algorithm>
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ProgressModel::ProgressModel(QObject *parent) :
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QAbstractListModel(parent)
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{
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connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
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}
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ProgressModel::ProgressModel(const QStringList &items, QObject *parent) :
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QAbstractListModel(parent)
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{
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connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
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m_items.reserve(items.count());
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for (const auto &item : items)
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m_items.append({ item, Item::Status::None });
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}
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ProgressModel::ProgressModel(const QVector<ProgressModel::Item> &items, QObject *parent) :
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QAbstractListModel(parent),
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m_items(items)
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{
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connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
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if (anyLoading())
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m_movieLoading.start();
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}
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const QVector<ProgressModel::Item> &ProgressModel::items() const
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{
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return m_items;
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}
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void ProgressModel::setItems(const QStringList &items)
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{
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emit beginResetModel();
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m_items.clear();
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m_items.reserve(items.count());
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for (const auto &item : items)
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m_items.append({ item, Item::Status::None });
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emit endResetModel();
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m_movieLoading.stop();
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}
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void ProgressModel::setItems(const QVector<ProgressModel::Item> &items)
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{
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emit beginResetModel();
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m_items = items;
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emit endResetModel();
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updateMovieStatus();
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}
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void ProgressModel::setText(int row, const QString &text)
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{
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m_items[row].text = text;
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const auto index = createIndex(row, 0);
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emit dataChanged(index, index, { Qt::DisplayRole, Qt::EditRole });
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}
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void ProgressModel::setStatus(int row, ProgressModel::Item::Status status)
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{
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m_items[row].status = status;
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const auto index = createIndex(row, 0);
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emit dataChanged(index, index, { Qt::DecorationRole });
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if (status == Item::Status::Loading)
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m_movieLoading.start();
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else
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updateMovieStatus();
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}
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void ProgressModel::clearItems()
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{
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emit beginResetModel();
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m_items.clear();
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emit endResetModel();
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m_movieLoading.stop();
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}
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int ProgressModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.isValid())
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return 0;
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return m_items.count();
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}
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QVariant ProgressModel::data(const QModelIndex &index, int role) const
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{
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if (index.row() < 0 || index.row() >= m_items.size())
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return {};
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const auto &item = m_items.at(index.row());
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switch (role) {
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case Qt::DisplayRole:
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case Qt::EditRole:
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return item.text;
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case Qt::DecorationRole:
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switch (item.status)
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{
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case Item::Status::None:
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return m_pixmapEmpty;
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case Item::Status::Loading:
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return m_movieLoading.currentPixmap();
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case Item::Status::Succeeded:
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return m_pixmapSucceeded;
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case Item::Status::Failed:
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return m_pixmapFailed;
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}
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}
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return {};
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}
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void ProgressModel::frameChanged()
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{
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for (auto iter = m_items.constBegin(); iter != m_items.constEnd(); iter++)
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{
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if (iter->status == Item::Status::Loading)
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{
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const auto index = createIndex(std::distance(m_items.constBegin(), iter), 0);
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emit dataChanged(index, index, { Qt::DecorationRole });
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}
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}
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}
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bool ProgressModel::anyLoading() const
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{
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return std::any_of(m_items.constBegin(), m_items.constEnd(), [](const auto &item){ return item.status == Item::Status::Loading; });
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}
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void ProgressModel::updateMovieStatus()
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{
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if (anyLoading())
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m_movieLoading.start();
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else
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m_movieLoading.stop();
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}
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