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Settings binding (4)...
Settings binding (4) Loads settings when opening the dialog, and save settings when closing it (if it's by the OK button)

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VariableInspectorWidget.cpp
199 lines | 7.6 KiB | text/x-c | CppLexer
/ gui / src / Variable / VariableInspectorWidget.cpp
#include <Variable/VariableController.h>
#include <Variable/VariableInspectorWidget.h>
#include <Variable/VariableMenuHeaderWidget.h>
#include <Variable/VariableModel.h>
#include <ui_VariableInspectorWidget.h>
#include <QMouseEvent>
#include <QSortFilterProxyModel>
#include <QStyledItemDelegate>
#include <QWidgetAction>
#include <SqpApplication.h>
Q_LOGGING_CATEGORY(LOG_VariableInspectorWidget, "VariableInspectorWidget")
class QProgressBarItemDelegate : public QStyledItemDelegate {
public:
QProgressBarItemDelegate(QObject *parent) : QStyledItemDelegate{parent} {}
void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
auto data = index.data(Qt::DisplayRole);
auto progressData = index.data(VariableRoles::ProgressRole);
if (data.isValid() && progressData.isValid()) {
auto name = data.value<QString>();
auto progress = progressData.value<double>();
if (progress > 0) {
auto cancelButtonWidth = 20;
auto progressBarOption = QStyleOptionProgressBar{};
auto progressRect = option.rect;
progressRect.setWidth(progressRect.width() - cancelButtonWidth);
progressBarOption.rect = progressRect;
progressBarOption.minimum = 0;
progressBarOption.maximum = 100;
progressBarOption.progress = progress;
progressBarOption.text
= QString("%1 %2").arg(name).arg(QString::number(progress, 'f', 2) + "%");
progressBarOption.textVisible = true;
progressBarOption.textAlignment = Qt::AlignCenter;
QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption,
painter);
// Cancel button
auto buttonRect = QRect(progressRect.right(), option.rect.top(), cancelButtonWidth,
option.rect.height());
auto buttonOption = QStyleOptionButton{};
buttonOption.rect = buttonRect;
buttonOption.text = "X";
QApplication::style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter);
}
else {
QStyledItemDelegate::paint(painter, option, index);
}
}
else {
QStyledItemDelegate::paint(painter, option, index);
}
}
bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option,
const QModelIndex &index)
{
if (event->type() == QEvent::MouseButtonRelease) {
auto data = index.data(Qt::DisplayRole);
auto progressData = index.data(VariableRoles::ProgressRole);
if (data.isValid() && progressData.isValid()) {
auto cancelButtonWidth = 20;
auto progressRect = option.rect;
progressRect.setWidth(progressRect.width() - cancelButtonWidth);
// Cancel button
auto buttonRect = QRect(progressRect.right(), option.rect.top(), cancelButtonWidth,
option.rect.height());
auto e = (QMouseEvent *)event;
auto clickX = e->x();
auto clickY = e->y();
auto x = buttonRect.left(); // the X coordinate
auto y = buttonRect.top(); // the Y coordinate
auto w = buttonRect.width(); // button width
auto h = buttonRect.height(); // button height
if (clickX > x && clickX < x + w) {
if (clickY > y && clickY < y + h) {
auto variableModel = sqpApp->variableController().variableModel();
variableModel->abortProgress(index);
}
}
else {
QStyledItemDelegate::editorEvent(event, model, option, index);
}
}
else {
QStyledItemDelegate::editorEvent(event, model, option, index);
}
}
else {
QStyledItemDelegate::editorEvent(event, model, option, index);
}
}
};
VariableInspectorWidget::VariableInspectorWidget(QWidget *parent)
: QWidget{parent},
ui{new Ui::VariableInspectorWidget},
m_ProgressBarItemDelegate{new QProgressBarItemDelegate{this}}
{
ui->setupUi(this);
// Sets model for table
// auto sortFilterModel = new QSortFilterProxyModel{this};
// sortFilterModel->setSourceModel(sqpApp->variableController().variableModel());
auto variableModel = sqpApp->variableController().variableModel();
ui->tableView->setModel(variableModel);
// Adds extra signal/slot between view and model, so the view can be updated instantly when
// there is a change of data in the model
connect(variableModel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), this,
SLOT(refresh()));
ui->tableView->setSelectionModel(sqpApp->variableController().variableSelectionModel());
ui->tableView->setItemDelegateForColumn(0, m_ProgressBarItemDelegate);
// Fixes column sizes
auto model = ui->tableView->model();
const auto count = model->columnCount();
for (auto i = 0; i < count; ++i) {
ui->tableView->setColumnWidth(
i, model->headerData(i, Qt::Horizontal, Qt::SizeHintRole).toSize().width());
}
// Sets selection options
ui->tableView->setSelectionBehavior(QTableView::SelectRows);
ui->tableView->setSelectionMode(QTableView::ExtendedSelection);
// Connection to show a menu when right clicking on the tree
ui->tableView->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->tableView, &QTableView::customContextMenuRequested, this,
&VariableInspectorWidget::onTableMenuRequested);
}
VariableInspectorWidget::~VariableInspectorWidget()
{
delete ui;
}
void VariableInspectorWidget::onTableMenuRequested(const QPoint &pos) noexcept
{
auto selectedRows = ui->tableView->selectionModel()->selectedRows();
// Gets the model to retrieve the underlying selected variables
auto model = sqpApp->variableController().variableModel();
auto selectedVariables = QVector<std::shared_ptr<Variable> >{};
for (const auto &selectedRow : qAsConst(selectedRows)) {
if (auto selectedVariable = model->variable(selectedRow.row())) {
selectedVariables.push_back(selectedVariable);
}
}
QMenu tableMenu{};
// Emits a signal so that potential receivers can populate the menu before displaying it
emit tableMenuAboutToBeDisplayed(&tableMenu, selectedVariables);
// Adds menu-specific actions
if (!selectedVariables.isEmpty()) {
// 'Delete' action
auto deleteFun = [&selectedVariables]() {
sqpApp->variableController().deleteVariables(selectedVariables);
};
tableMenu.addSeparator();
tableMenu.addAction(QIcon{":/icones/delete.png"}, tr("Delete"), deleteFun);
}
if (!tableMenu.isEmpty()) {
// Generates menu header (inserted before first action)
auto firstAction = tableMenu.actions().first();
auto headerAction = new QWidgetAction{&tableMenu};
headerAction->setDefaultWidget(new VariableMenuHeaderWidget{selectedVariables, &tableMenu});
tableMenu.insertAction(firstAction, headerAction);
// Displays menu
tableMenu.exec(mapToGlobal(pos));
}
}
void VariableInspectorWidget::refresh() noexcept
{
ui->tableView->viewport()->update();
}