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PositionAction.cpp
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179 lines (133 loc) · 6.27 KB
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#include "PositionAction.h"
#include "ScatterplotPlugin.h"
#include <QMenu>
using namespace mv::gui;
PositionAction::PositionAction(QObject* parent, const QString& title) :
VerticalGroupAction(parent, title),
_xDimensionPickerAction(this, "X"),
_yDimensionPickerAction(this, "Y"),
_dontUpdateScatterplot(false)
{
setIconByName("ruler-combined");
setLabelSizingType(LabelSizingType::Auto);
addAction(&_xDimensionPickerAction);
addAction(&_yDimensionPickerAction);
_xDimensionPickerAction.setToolTip("X dimension");
_yDimensionPickerAction.setToolTip("Y dimension");
auto scatterplotPlugin = dynamic_cast<ScatterplotPlugin*>(parent->parent());
if (scatterplotPlugin == nullptr)
return;
connect(&_xDimensionPickerAction, &DimensionPickerAction::currentDimensionIndexChanged, [this, scatterplotPlugin](const std::uint32_t& currentDimensionIndex) {
if (_dontUpdateScatterplot)
return;
scatterplotPlugin->setXDimension(currentDimensionIndex);
});
connect(&_yDimensionPickerAction, &DimensionPickerAction::currentDimensionIndexChanged, [this, scatterplotPlugin](const std::uint32_t& currentDimensionIndex) {
if (_dontUpdateScatterplot)
return;
scatterplotPlugin->setYDimension(currentDimensionIndex);
});
const auto updateReadOnly = [this, scatterplotPlugin]() -> void {
setEnabled(scatterplotPlugin->getPositionDataset().isValid());
};
updateReadOnly();
auto onDimensionsChanged = [this, scatterplotPlugin](int32_t xDim, int32_t yDim, auto& currentData) {
// Ensure that we never access non-existing dimensions
// Data is re-drawn for each setPointsDataset call
// with the dimension index of the respective _xDimensionPickerAction set to 0
// This prevents the _yDimensionPickerAction dimension being larger than
// the new numDimensions during the first setPointsDataset call
_dontUpdateScatterplot = true;
_yDimensionPickerAction.setCurrentDimensionIndex(yDim);
_xDimensionPickerAction.setPointsDataset(currentData);
_yDimensionPickerAction.setPointsDataset(currentData);
// setXDimension() ignores its argument and will update the
// scatterplot with both current dimension indices
_xDimensionPickerAction.setCurrentDimensionIndex(xDim);
_yDimensionPickerAction.setCurrentDimensionIndex(yDim);
scatterplotPlugin->setXDimension(xDim);
_dontUpdateScatterplot = false;
};
connect(&scatterplotPlugin->getPositionDataset(), &Dataset<Points>::dataDimensionsChanged, this, [this, updateReadOnly, scatterplotPlugin, onDimensionsChanged]() {
updateReadOnly();
// if the new number of dimensions allows it, keep the previous dimension indices
auto xDim = _xDimensionPickerAction.getCurrentDimensionIndex();
auto yDim = _yDimensionPickerAction.getCurrentDimensionIndex();
const auto& currentData = scatterplotPlugin->getPositionDataset();
const auto numDimensions = static_cast<int32_t>(currentData->getNumDimensions());
if (xDim >= numDimensions || yDim >= numDimensions)
{
xDim = 0;
yDim = numDimensions >= 2 ? 1 : 0;
}
onDimensionsChanged(xDim, yDim, currentData);
});
connect(&scatterplotPlugin->getPositionDataset(), &Dataset<Points>::changed, this, [this, scatterplotPlugin, updateReadOnly, onDimensionsChanged]([[maybe_unused]] mv::DatasetImpl* dataset) {
if (scatterplotPlugin->getPositionDataset().isValid()) {
updateReadOnly();
const auto& currentData = scatterplotPlugin->getPositionDataset();
const auto numDimensions = static_cast<int32_t>(currentData->getNumDimensions());
const int32_t xDim = 0;
const int32_t yDim = numDimensions >= 2 ? 1 : 0;
onDimensionsChanged(xDim, yDim, currentData);
}
else {
_xDimensionPickerAction.setPointsDataset(Dataset<Points>());
_yDimensionPickerAction.setPointsDataset(Dataset<Points>());
}
});
}
QMenu* PositionAction::getContextMenu(QWidget* parent /*= nullptr*/)
{
auto menu = new QMenu("Position", parent);
auto xDimensionMenu = new QMenu("X dimension");
auto yDimensionMenu = new QMenu("Y dimension");
xDimensionMenu->addAction(&_xDimensionPickerAction);
yDimensionMenu->addAction(&_yDimensionPickerAction);
menu->addMenu(xDimensionMenu);
menu->addMenu(yDimensionMenu);
return menu;
}
std::int32_t PositionAction::getDimensionX() const
{
return _xDimensionPickerAction.getCurrentDimensionIndex();
}
std::int32_t PositionAction::getDimensionY() const
{
return _yDimensionPickerAction.getCurrentDimensionIndex();
}
void PositionAction::connectToPublicAction(WidgetAction* publicAction, bool recursive)
{
auto publicPositionAction = dynamic_cast<PositionAction*>(publicAction);
Q_ASSERT(publicPositionAction != nullptr);
if (publicPositionAction == nullptr)
return;
if (recursive) {
actions().connectPrivateActionToPublicAction(&_xDimensionPickerAction, &publicPositionAction->getXDimensionPickerAction(), recursive);
actions().connectPrivateActionToPublicAction(&_yDimensionPickerAction, &publicPositionAction->getYDimensionPickerAction(), recursive);
}
GroupAction::connectToPublicAction(publicAction, recursive);
}
void PositionAction::disconnectFromPublicAction(bool recursive)
{
if (!isConnected())
return;
if (recursive) {
actions().disconnectPrivateActionFromPublicAction(&_xDimensionPickerAction, recursive);
actions().disconnectPrivateActionFromPublicAction(&_yDimensionPickerAction, recursive);
}
GroupAction::disconnectFromPublicAction(recursive);
}
void PositionAction::fromVariantMap(const QVariantMap& variantMap)
{
GroupAction::fromVariantMap(variantMap);
_xDimensionPickerAction.fromParentVariantMap(variantMap);
_yDimensionPickerAction.fromParentVariantMap(variantMap);
}
QVariantMap PositionAction::toVariantMap() const
{
auto variantMap = GroupAction::toVariantMap();
_xDimensionPickerAction.insertIntoVariantMap(variantMap);
_yDimensionPickerAction.insertIntoVariantMap(variantMap);
return variantMap;
}