162 lines
3.2 KiB
C++
162 lines
3.2 KiB
C++
#include "matrixedit.h"
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#include "ui_matrixedit.h"
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#include <QBoxLayout>
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MatrixEdit::MatrixEdit(QWidget * parent): QWidget(parent) {
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ui = new Ui::MatrixEdit();
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ui->setupUi(this);
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connect(ui->table, SIGNAL(cellChanged(int,int)), this, SIGNAL(changed()));
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ro = false;
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}
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MatrixEdit::~MatrixEdit() {
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delete ui;
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}
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bool MatrixEdit::isReadOnly() const {
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return ro;
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}
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void MatrixEdit::setReadOnly(bool yes) {
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ro = yes;
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/// TODO
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}
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void MatrixEdit::setVectorMode(bool yes) {
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if (yes)
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ui->spinCols->setValue(1);
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ui->labelCols->setHidden(yes);
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ui->spinCols->setHidden(yes);
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ui->buttonIdentity->setHidden(yes);
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}
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void MatrixEdit::clear(bool ident) {
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int cc = ui->table->columnCount();
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for (int r = 0; r < ui->table->rowCount(); ++r) {
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for (int c = 0; c < cc; ++c) {
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QTableWidgetItem * i = ui->table->item(r, c);
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if (!i) {
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i = new QTableWidgetItem();
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ui->table->setItem(r, c, i);
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}
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i->setText((ident && (r == c)) ? "1" : "0");
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}
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}
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}
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void MatrixEdit::changeEvent(QEvent * e) {
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QWidget::changeEvent(e);
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switch (e->type()) {
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case QEvent::LanguageChange:
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ui->retranslateUi(this);
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break;
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default:
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break;
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}
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}
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QVector<double> MatrixEdit::vector() const {
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QVector<double> ret;
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if (ui->table->columnCount() < 1) return ret;
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ret.resize(ui->table->rowCount());
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ret.fill(0.);
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for (int r = 0; r < ret.size(); ++r) {
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QTableWidgetItem * i = ui->table->item(r, 0);
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if (!i) continue;
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ret[r] = i->text().toDouble();
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}
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return ret;
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}
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QVector<QVector<double> > MatrixEdit::matrix() const {
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QVector<QVector<double> > ret;
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if (ui->table->columnCount() < 1 || ui->table->rowCount() < 1) return ret;
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int cc = ui->table->columnCount();
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ret.resize(ui->table->rowCount());
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for (int r = 0; r < ret.size(); ++r) {
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ret[r].resize(cc);
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ret[r].fill(0.);
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for (int c = 0; c < cc; ++c) {
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QTableWidgetItem * i = ui->table->item(r, c);
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if (!i) continue;
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ret[r][c] = i->text().toDouble();
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}
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}
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return ret;
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}
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void MatrixEdit::setVector(const QVector<double> & v) {
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clear();
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if (v.isEmpty()) return;
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blockSignals(true);
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ui->spinRows->setValue(v.size());
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setVectorMode(true);
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for (int r = 0; r < v.size(); ++r) {
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QTableWidgetItem * i = ui->table->item(r, 0);
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if (!i) {
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i = new QTableWidgetItem();
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ui->table->setItem(r, 0, i);
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}
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i->setText(QString::number(v[r]));
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}
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blockSignals(false);
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emit changed();
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}
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void MatrixEdit::setMatrix(const QVector<QVector<double> > & v) {
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clear();
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if (v.isEmpty()) return;
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if (v[0].isEmpty()) return;
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blockSignals(true);
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int cc = v[0].size();
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ui->spinRows->setValue(v.size());
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ui->spinCols->setValue(cc);
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setVectorMode(false);
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for (int r = 0; r < v.size(); ++r) {
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for (int c = 0; c < v[r].size(); ++c) {
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QTableWidgetItem * i = ui->table->item(r, c);
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if (!i) {
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i = new QTableWidgetItem();
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ui->table->setItem(r, c, i);
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}
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i->setText(QString::number(v[r][c]));
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}
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}
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blockSignals(false);
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emit changed();
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}
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void MatrixEdit::on_spinRows_valueChanged(int cnt) {
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ui->table->setRowCount(cnt);
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emit changed();
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}
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void MatrixEdit::on_spinCols_valueChanged(int cnt) {
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ui->table->setColumnCount(cnt);
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emit changed();
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}
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void MatrixEdit::on_buttonNull_clicked() {
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clear();
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}
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void MatrixEdit::on_buttonIdentity_clicked() {
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clear(true);
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}
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