Differential D13711 Diff 36711 src/kdefrontend/datasources/ROOTOptionsWidget.cpp

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src/kdefrontend/datasources/ROOTOptionsWidget.cpp

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1		/***************************************************************************
2		File : ROOTOptionsWidget.cpp
3		Project : LabPlot
4		Description : widget providing options for the import of ROOT data
5		--------------------------------------------------------------------
6		Copyright : (C) 2018 Christoph Roick (chrisito@gmx.de)
7		***************************************************************************/
8
9		/***************************************************************************
10		* *
11		* This program is free software; you can redistribute it and/or modify *
12		* it under the terms of the GNU General Public License as published by *
13		* the Free Software Foundation; either version 2 of the License, or *
14		* (at your option) any later version. *
15		* *
16		* This program is distributed in the hope that it will be useful, *
17		* but WITHOUT ANY WARRANTY; without even the implied warranty of *
18		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19		* GNU General Public License for more details. *
20		* *
21		* You should have received a copy of the GNU General Public License *
22		* along with this program; if not, write to the Free Software *
23		* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
24		* Boston, MA 02110-1301 USA *
25		* *
26		***************************************************************************/
27
28		#include "ROOTOptionsWidget.h"
29
30		#include "ImportFileWidget.h"
31
32		#include "backend/datasources/filters/ROOTFilter.h"
33		#include "backend/lib/macros.h"
34
35		ROOTOptionsWidget::ROOTOptionsWidget(QWidget* parent, ImportFileWidget* fileWidget) : QWidget(parent), m_fileWidget(fileWidget) {
36		ui.setupUi(parent);
37
38		connect(ui.lwContent, &QListWidget::itemSelectionChanged, this, &ROOTOptionsWidget::rootListWidgetSelectionChanged);
39		connect(ui.bRefreshPreview, &QPushButton::clicked, fileWidget, &ImportFileWidget::refreshPreview);
40		}
41
42		void ROOTOptionsWidget::clear() {
43		ui.lwContent->clear();
44		ui.twPreview->clearContents();
45		}
46
47		void ROOTOptionsWidget::updateContent(ROOTFilter *filter, QString fileName) {
48		DEBUG("updateContent()");
49		ui.lwContent->clear();
50		ui.lwContent->addItems(filter->listHistograms(fileName));
51		}
52
53		void ROOTOptionsWidget::rootListWidgetSelectionChanged() {
54		DEBUG("rootListWidgetSelectionChanged()");
55		auto items = ui.lwContent->selectedItems();
56		QDEBUG("SELECTED ITEMS =" << items);
57
58		if (items.isEmpty())
59		return;
60
61		m_fileWidget->refreshPreview();
62		}
63
64		const QStringList ROOTOptionsWidget::selectedROOTNames() const {
65		QStringList names;
66
67		for (const QListWidgetItem* const item : ui.lwContent->selectedItems())
68		names << item->text();
69
70		return names;
71		}
72
73		int ROOTOptionsWidget::columns() const {
	fkristofUnsubmitted Not Done const auto& fkristof: ``` const auto& ```
	croickAuthorUnsubmitted Not Done Actually they are pointers, so I used `auto` to make that clear. croick:* Actually they are pointers, so I used `auto*` to make that clear.
	fkristofUnsubmitted Not Done Right, then they can be const items const pointers, aka const auto* const item fkristof: Right, then they can be const items const pointers, aka ``` const auto* const item ```
74		int cols = ui.checkCenter->isChecked() ? ROOTFilter::Center : 0;
75		cols \|= ui.checkLow->isChecked() ? ROOTFilter::Low : 0;
76		cols \|= ui.checkContent->isChecked() ? ROOTFilter::Content : 0;
77		cols \|= ui.checkError->isChecked() ? ROOTFilter::Error : 0;
78
79		return cols;
80		}
81
82		void ROOTOptionsWidget::setNBins(int nbins) {
83		// try to retain the range settings:
84		// - if nbins was not 0, keep start bin,
85		// else set it to one after underflow
86		// - if nbins didn't change, keep end bin,
87		// else set it to one before overflow
88		const int max = qMax(nbins - 1, 0);
89		int firstval = ui.sbFirst->value();
90		if (ui.sbFirst->maximum() == 0)
91		firstval = qMin(nbins - 1, 1);
92		ui.sbFirst->setMaximum(max);
93		ui.sbFirst->setValue(firstval);
94
95		int lastval = max == ui.sbLast->maximum() ? ui.sbLast->value() : qMax(max - 1, 0);
96		ui.sbLast->setMaximum(max);
97		ui.sbLast->setValue(lastval);
98		}