void Matrix::clearSelection()
{
if (d_view_type == ImageView)
return;
QItemSelectionModel *selModel = d_table_view->selectionModel();
if (!selModel || !selModel->hasSelection())
return;
const QItemSelectionRange sel = selModel->selection()[0];
int startRow = sel.top();
int endRow = sel.bottom();
int startCol = sel.left();
int endCol = sel.right();
double *buffer = d_matrix_model->dataCopy(startRow, endRow, startCol, endCol);
if (buffer){
d_undo_stack->push(new MatrixUndoCommand(d_matrix_model, Clear, startRow, endRow, startCol, endCol, buffer, tr("Clear Selection")));
emit modifiedWindow(this);
modifiedData(this);
} else if (ignoreUndo()){
d_matrix_model->clear(startRow, endRow, startCol, endCol);
emit modifiedWindow(this);
modifiedData(this);
}
}
void Matrix::deleteSelectedColumns()
{
QItemSelectionModel *selModel = d_table_view->selectionModel();
if (!selModel || !selModel->hasSelection())
return;
int startCol = -1;
int count = 0;
int cols = numCols();
for (int i=0; i<cols; i++){
if (selModel->isColumnSelected(i, QModelIndex())){
if (startCol < 0)
startCol = i;
++count;
}
}
if (startCol < 0 || !count)
return;
double *buffer = d_matrix_model->dataCopy(0, numRows() - 1, startCol, startCol + count - 1);
if (buffer){
d_undo_stack->push(new MatrixDeleteColsCommand(d_matrix_model, startCol, count, buffer, tr("Delete Columns") + " " +
QString::number(startCol + 1) + " - " + QString::number(startCol + count)));
emit modifiedWindow(this);
} else if (ignoreUndo()){
d_matrix_model->removeColumns(startCol, count);
d_table_view->reset();
emit modifiedWindow(this);
}
}
void Matrix::importImage(const QString& fn)
{
QImage image(fn);
if (image.isNull())
return;
x_start = 0.0;
x_end = image.width() - 1.0;
y_start = 0.0;
y_end = image.height() - 1.0;
double *buffer = d_matrix_model->dataCopy();
if (buffer){
d_undo_stack->push(new MatrixSetImageCommand(d_matrix_model, image, d_view_type, 0,
numRows() - 1, 0, numCols() - 1, buffer, tr("Import Image") + " \"" + fn + "\""));
emit modifiedWindow(this);
modifiedData(this);
} else if (ignoreUndo()){
d_matrix_model->setImage(image);
setViewType(ImageView, false);
displayImage(image);
emit modifiedWindow(this);
modifiedData(this);
}
setWindowLabel(fn);
}
void Matrix::fft(bool inverse)
{
double *buffer = d_matrix_model->dataCopy();
if (buffer){
QString commandText = inverse ? tr("Inverse FFT") : tr("Forward FFT");
d_undo_stack->push(new MatrixFftCommand(inverse, d_matrix_model, 0, numRows() - 1,
0, numCols() - 1, buffer, commandText));
emit modifiedWindow(this);
} else if (ignoreUndo()){
d_matrix_model->fft(inverse);
emit modifiedWindow(this);
}
}
bool Matrix::muParserCalculate(int startRow, int endRow, int startCol, int endCol)
{
double *buffer = d_matrix_model->dataCopy(startRow, endRow, startCol, endCol);
if (buffer){
d_undo_stack->push(new MatrixUndoCommand(d_matrix_model, MuParserCalculate, startRow, endRow,
startCol, endCol, buffer, tr("Calculate Values")));
emit modifiedWindow(this);
return true;
} else if(ignoreUndo()){
d_matrix_model->muParserCalculate(startRow, endRow, startCol, endCol);
emit modifiedWindow(this);
return true;
}
return false;
}
void Matrix::importImage(const QImage& image)
{
if (image.isNull())
return;
double *buffer = d_matrix_model->dataCopy();
if (buffer){
d_undo_stack->push(new MatrixSetImageCommand(d_matrix_model, image, d_view_type, 0,
numRows() - 1, 0, numCols() - 1, buffer, tr("Import Image")));
emit modifiedWindow(this);
} else if (ignoreUndo()){
d_matrix_model->setImage(image);
setViewType(ImageView, false);
displayImage(image);
emit modifiedWindow(this);
}
}
bool Matrix::calculate(int startRow, int endRow, int startCol, int endCol, bool forceMuParser)
{
if (QString(scriptEnv->name()) == "muParser" || forceMuParser)
return muParserCalculate(startRow, endRow, startCol, endCol);
double *buffer = d_matrix_model->dataCopy(startRow, endRow, startCol, endCol);
if (buffer){
d_undo_stack->push(new MatrixUndoCommand(d_matrix_model, Calculate, startRow, endRow,
startCol, endCol, buffer, tr("Calculate Values")));
emit modifiedWindow(this);
return true;
} else if(ignoreUndo()){
d_matrix_model->calculate(startRow, endRow, startCol, endCol);
emit modifiedWindow(this);
return true;
}
return false;
}
void Matrix::setDimensions(int rows, int cols)
{
int r = numRows();
int c = numCols();
if (r == rows && c == cols)
return;
if(rows*cols > r*c && !d_matrix_model->canResize(rows, cols))
return;
double *buffer = d_matrix_model->dataCopy();
if (buffer)
d_undo_stack->push(new MatrixSetSizeCommand(d_matrix_model, QSize(r, c), QSize(rows, cols), buffer,
tr("Set Dimensions") + " " + QString::number(rows) + "x" + QString::number(cols)));
else if(ignoreUndo()){
d_matrix_model->setDimensions(rows, cols);
resetView();
}
emit modifiedWindow(this);
}
void Matrix::pasteSelection()
{
if (d_view_type == ImageView)
return;
QString text = QApplication::clipboard()->text();
if (text.isEmpty())
return;
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
QStringList linesList = text.split(applicationWindow()->endOfLine(), QString::SkipEmptyParts);
int rows = linesList.size();
if (!rows)
return;
int cols = linesList[0].split("\t").count();
for (int i = 1; i < rows; i++){
int aux = linesList[i].split("\t").count();
if (aux > cols)
cols = aux;
}
int topRow = 0, leftCol = 0;
QItemSelectionModel *selModel = d_table_view->selectionModel();
if (selModel->hasSelection()){
QItemSelectionRange sel = selModel->selection()[0];
topRow = sel.top();
leftCol = sel.left();
}
int oldRows = numRows();
int bottomRow = topRow + rows - 1;
if (bottomRow > oldRows - 1)
bottomRow = oldRows - 1;
int oldCols = numCols();
int rightCol = leftCol + cols - 1;
if (rightCol > oldCols - 1)
rightCol = oldCols - 1;
double *clipboardBuffer = (double *)malloc(rows*cols*sizeof(double));
if (!clipboardBuffer){
QMessageBox::critical(this, tr("QtiPlot") + " - " + tr("Memory Allocation Error"),
tr("Not enough memory, operation aborted!"));
QApplication::restoreOverrideCursor();
return;
}
QLocale locale = this->locale(); //Better use QLocale::system() ??
int cell = 0;
for(int i = 0; i < rows; i++){
QStringList cells = linesList[i].split("\t");
int size = cells.count();
for(int j = 0; j<cols; j++){
if (j >= size){
clipboardBuffer[cell++] = GSL_NAN;
continue;
}
bool numeric = true;
double value = locale.toDouble(cells[j], &numeric);
if (numeric)
clipboardBuffer[cell++] = value;
else
clipboardBuffer[cell++] = GSL_NAN;
}
}
QApplication::restoreOverrideCursor();
double *backupBuffer = d_matrix_model->dataCopy(topRow, bottomRow, leftCol, rightCol);
if (backupBuffer){
d_undo_stack->push(new MatrixPasteCommand(d_matrix_model, topRow, bottomRow,
leftCol, rightCol, clipboardBuffer, rows, cols, backupBuffer, oldRows,
oldCols, tr("Paste")));
emit modifiedWindow(this);
} else if (ignoreUndo()){
d_matrix_model->pasteData(clipboardBuffer, topRow, leftCol, rows, cols);
emit modifiedWindow(this);
}
}