Method updateCompleteCursorTreeModel

src/backend/worksheet/Worksheet.cpp:1467–1566

* @brief Worksheet::updateCompleteCursorTreeModel * If the plot or the curve are not available, the plot/curve is not in the treemodel! */

 * If the plot or the curve are not available, the plot/curve is not in the treemodel!
 */
void Worksheet::updateCompleteCursorTreeModel() {
	Q_D(const Worksheet);
	if (isLoading())
		return;

	TreeModel* treeModel = cursorModel();

	if (treeModel->rowCount() > 0)
		treeModel->removeRows(0, treeModel->rowCount()); // remove all data

	int pc = plotCount();
	if (pc < 1)
		return;

	if (cartesianPlotCursorMode() == CartesianPlotActionMode::ApplyActionToAll) {
		// 1 because of the X data
		treeModel->insertRows(0, 1); //, treeModel->index(0,0)); // add empty rows. Then they become filled

		// set X data
		QModelIndex xName = treeModel->index(0, static_cast<int>(WorksheetPrivate::TreeModelColumn::SIGNALNAME));
		treeModel->setData(xName, QVariant(QStringLiteral("X")));
		auto* plot0 = plot(0);
		if (plot0) {
			double valueCursor[2];
			for (int i = 0; i < 2; i++) {
				valueCursor[i] = plot0->cursorPos(i);
				QModelIndex cursor = treeModel->index(0, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSOR0) + i);

				treeModel->setData(cursor, QVariant(valueCursor[i]));
			}
			QModelIndex diff = treeModel->index(0, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSORDIFF));
			treeModel->setData(diff, QVariant(valueCursor[1] - valueCursor[0]));
		}
	} else {
		// treeModel->insertRows(0, plotCount, treeModel->index(0,0)); // add empty rows. Then they become filled
	}

	// set plot name, y value, background
	for (int i = 0; i < pc; i++) {
		auto* p = plot(i);
		QModelIndex plotName;
		int addOne = 0;

		if (!p || !p->isVisible())
			continue;

		// add new entry for the plot
		treeModel->insertRows(treeModel->rowCount(), 1); //, treeModel->index(0, 0));

		// add plot name and X row if needed
		if (cartesianPlotCursorMode() == CartesianPlotActionMode::ApplyActionToAll) {
			plotName = treeModel->index(i + 1, static_cast<int>(WorksheetPrivate::TreeModelColumn::PLOTNAME)); // plus one because first row are the x values
			treeModel->setData(plotName, QVariant(p->name()));
		} else {
			addOne = 1;
			plotName = treeModel->index(i, static_cast<int>(WorksheetPrivate::TreeModelColumn::PLOTNAME));
			treeModel->setData(plotName, QVariant(p->name()));
			treeModel->insertRows(0, 1, plotName); // one, because the first row are the x values