pollymc/application/widgets/VersionSelectWidget.cpp

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2017-01-05 08:35:08 +05:30
#include "VersionSelectWidget.h"
#include <QProgressBar>
#include <QVBoxLayout>
#include "VersionListView.h"
#include <QHeaderView>
#include <VersionProxyModel.h>
#include <dialogs/CustomMessageBox.h>
VersionSelectWidget::VersionSelectWidget(BaseVersionList* vlist, QWidget* parent)
: QWidget(parent), m_vlist(vlist)
{
setObjectName(QStringLiteral("VersionSelectWidget"));
verticalLayout = new QVBoxLayout(this);
verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
verticalLayout->setContentsMargins(0, 0, 0, 0);
m_proxyModel = new VersionProxyModel(this);
m_proxyModel->setSourceModel(vlist);
listView = new VersionListView(this);
listView->setObjectName(QStringLiteral("listView"));
listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
listView->setAlternatingRowColors(true);
listView->setRootIsDecorated(false);
listView->setItemsExpandable(false);
listView->setWordWrap(true);
listView->header()->setCascadingSectionResizes(true);
listView->header()->setStretchLastSection(false);
listView->setModel(m_proxyModel);
listView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
listView->header()->setSectionResizeMode(resizeOnColumn, QHeaderView::Stretch);
verticalLayout->addWidget(listView);
sneakyProgressBar = new QProgressBar(this);
sneakyProgressBar->setObjectName(QStringLiteral("sneakyProgressBar"));
sneakyProgressBar->setFormat(QStringLiteral("%p%"));
verticalLayout->addWidget(sneakyProgressBar);
sneakyProgressBar->setHidden(true);
connect(listView->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &VersionSelectWidget::currentRowChanged);
QMetaObject::connectSlotsByName(this);
}
void VersionSelectWidget::setEmptyString(QString emptyString)
{
listView->setEmptyString(emptyString);
}
void VersionSelectWidget::setEmptyErrorString(QString emptyErrorString)
{
listView->setEmptyErrorString(emptyErrorString);
}
VersionSelectWidget::~VersionSelectWidget()
{
}
void VersionSelectWidget::setResizeOn(int column)
{
listView->header()->setSectionResizeMode(resizeOnColumn, QHeaderView::ResizeToContents);
resizeOnColumn = column;
listView->header()->setSectionResizeMode(resizeOnColumn, QHeaderView::Stretch);
}
void VersionSelectWidget::initialize()
{
if (!m_vlist->isLoaded())
{
loadList();
}
else
{
if (m_proxyModel->rowCount() == 0)
{
listView->setEmptyMode(VersionListView::String);
}
preselect();
}
}
void VersionSelectWidget::closeEvent(QCloseEvent * event)
{
if(loadTask)
{
loadTask->abort();
loadTask->deleteLater();
loadTask = nullptr;
}
QWidget::closeEvent(event);
}
void VersionSelectWidget::loadList()
{
if(loadTask)
{
return;
}
loadTask = m_vlist->getLoadTask();
if (!loadTask)
{
return;
}
connect(loadTask, &Task::finished, this, &VersionSelectWidget::onTaskFinished);
connect(loadTask, &Task::progress, this, &VersionSelectWidget::changeProgress);
loadTask->start();
sneakyProgressBar->setHidden(false);
}
void VersionSelectWidget::onTaskFinished()
{
if (!loadTask->successful())
{
CustomMessageBox::selectable(this, tr("Error"),
tr("List update failed:\n%1").arg(loadTask->failReason()),
QMessageBox::Warning)->show();
if (m_proxyModel->rowCount() == 0)
{
listView->setEmptyMode(VersionListView::ErrorString);
}
}
else if (m_proxyModel->rowCount() == 0)
{
listView->setEmptyMode(VersionListView::String);
}
sneakyProgressBar->setHidden(true);
loadTask->deleteLater();
loadTask = nullptr;
preselect();
}
void VersionSelectWidget::changeProgress(qint64 current, qint64 total)
{
sneakyProgressBar->setMaximum(total);
sneakyProgressBar->setValue(current);
}
void VersionSelectWidget::currentRowChanged(const QModelIndex& current, const QModelIndex&)
{
auto variant = m_proxyModel->data(current, BaseVersionList::VersionPointerRole);
emit selectedVersionChanged(variant.value<BaseVersionPtr>());
}
void VersionSelectWidget::preselect()
{
if(preselectedAlready)
return;
preselectedAlready = true;
selectRecommended();
}
void VersionSelectWidget::selectRecommended()
{
auto idx = m_proxyModel->getRecommended();
if(idx.isValid())
{
listView->selectionModel()->setCurrentIndex(idx,QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
listView->scrollTo(idx, QAbstractItemView::PositionAtCenter);
}
}
bool VersionSelectWidget::hasVersions() const
{
return m_proxyModel->rowCount(QModelIndex()) != 0;
}
BaseVersionPtr VersionSelectWidget::selectedVersion() const
{
auto currentIndex = listView->selectionModel()->currentIndex();
auto variant = m_proxyModel->data(currentIndex, BaseVersionList::VersionPointerRole);
return variant.value<BaseVersionPtr>();
}
void VersionSelectWidget::setExactFilter(BaseVersionList::ModelRoles role, QString filter)
{
m_proxyModel->setFilter(role, filter, true);
}
void VersionSelectWidget::setFuzzyFilter(BaseVersionList::ModelRoles role, QString filter)
{
m_proxyModel->setFilter(role, filter, false);
}