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CSV import: make predefined imports work again

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We need to reparse the file when the known type changes and want to make
sure that we only try to guess the separator and the columns if the user
hasn't told us otherwise.

For the predefined imports this then looks up the correct columns and
places the correct headings there - and then allows the user to modify
them if needed.

This has been lightly tested, there may be dragons.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-01-07 17:02:42 -08:00
parent db988aa62b
commit 5f4770a5bd
2 changed files with 103 additions and 44 deletions
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88
qt-ui/divelogimportdialog.cpp
View file

@ -330,14 +330,8 @@ DiveLogImportDialog::DiveLogImportDialog(QStringList fn, QWidget *parent) : QDia
ui->knownImports->addItem(CSVApps[i].name);
ui->CSVSeparator->addItems( QStringList() << tr("Tab") << ";" << ",");
ui->knownImports->setCurrentIndex(1);
ColumnNameProvider *provider = new ColumnNameProvider(this);
ui->avaliableColumns->setModel(provider);
ui->avaliableColumns->setItemDelegate(new TagDragDelegate(ui->avaliableColumns));
resultModel = new ColumnNameResult(this);
ui->tableView->setModel(resultModel);
loadFileContents();
loadFileContents(-1, INITIAL);
/* manually import CSV file */
QShortcut *close = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
@ -345,7 +339,8 @@ DiveLogImportDialog::DiveLogImportDialog(QStringList fn, QWidget *parent) : QDia
QShortcut *quit = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quit, SIGNAL(activated()), parent, SLOT(close()));
connect(ui->CSVSeparator, SIGNAL(currentIndexChanged(int)), this, SLOT(loadFileContents()));
connect(ui->CSVSeparator, SIGNAL(currentIndexChanged(int)), this, SLOT(loadFileContentsSeperatorSelected(int)));
connect(ui->knownImports, SIGNAL(currentIndexChanged(int)), this, SLOT(loadFileContentsKnownTypesSelected(int)));
}
DiveLogImportDialog::~DiveLogImportDialog()
@ -353,17 +348,37 @@ DiveLogImportDialog::~DiveLogImportDialog()
delete ui;
}
void DiveLogImportDialog::loadFileContents() {
void DiveLogImportDialog::loadFileContentsSeperatorSelected(int value)
{
loadFileContents(value, SEPARATOR);
}
void DiveLogImportDialog::loadFileContentsKnownTypesSelected(int value)
{
loadFileContents(value, KNOWNTYPES);
}
void DiveLogImportDialog::loadFileContents(int value, whatChanged triggeredBy)
{
QFile f(fileNames.first());
QList<QStringList> fileColumns;
QStringList currColumns;
QStringList headers;
bool matchedSome = false;
// reset everything
ColumnNameProvider *provider = new ColumnNameProvider(this);
ui->avaliableColumns->setModel(provider);
ui->avaliableColumns->setItemDelegate(new TagDragDelegate(ui->avaliableColumns));
resultModel = new ColumnNameResult(this);
ui->tableView->setModel(resultModel);
f.open(QFile::ReadOnly);
// guess the separator
QString firstLine = f.readLine();
QString separator;
QString separator = ui->CSVSeparator->currentText() == tr("Tab") ? "\t" : ui->CSVSeparator->currentText();
currColumns = firstLine.split(separator);
if (triggeredBy == INITIAL) {
// guess the separator
int tabs = firstLine.count('\t');
int commas = firstLine.count(',');
int semis = firstLine.count(';');
@ -373,13 +388,15 @@ void DiveLogImportDialog::loadFileContents() {
separator = ",";
else if (semis > tabs && semis > commas)
separator = ";";
else
separator = ui->CSVSeparator->currentText() == tr("Tab") ? "\t" : ui->CSVSeparator->currentText();
if (ui->CSVSeparator->currentText() != separator)
if (ui->CSVSeparator->currentText() != separator) {
blockSignals(true);
ui->CSVSeparator->setCurrentText(separator);
// now try and guess the columns
blockSignals(false);
currColumns = firstLine.split(separator);
}
}
if (triggeredBy == INITIAL || (triggeredBy == KNOWNTYPES && value == 0) || triggeredBy == SEPARATOR) {
// now try and guess the columns
Q_FOREACH (QString columnText, currColumns) {
ColumnNameProvider *model = (ColumnNameProvider *)ui->avaliableColumns->model();
columnText.replace("\"", "");
@ -396,8 +413,47 @@ void DiveLogImportDialog::loadFileContents() {
}
if (matchedSome) {
ui->dragInstructions->setText(tr("Some column headers were pre-populated; please drag and drop the headers so they match the column they are in."));
if (triggeredBy != KNOWNTYPES) {
blockSignals(true);
ui->knownImports->setCurrentIndex(0); // <- that's "Manual import"
blockSignals(false);
}
}
}
if (triggeredBy == KNOWNTYPES && value != 0) {
// an actual known type
separator = CSVApps[value].separator;
if (ui->CSVSeparator->currentText() != separator) {
blockSignals(true);
ui->CSVSeparator->setCurrentText(separator);
blockSignals(false);
if (separator == "Tab")
separator = "\t";
currColumns = firstLine.split(separator);
}
// now set up time, depth, temperature, po2, cns, ndl, tts, stopdepth, pressure
for (int i = 0; i < currColumns.count(); i++)
headers.append("");
if (CSVApps[value].time != -1)
headers.replace(CSVApps[value].time, tr("Sample time"));
if (CSVApps[value].depth != -1)
headers.replace(CSVApps[value].depth, tr("Sample depth"));
if (CSVApps[value].temperature != -1)
headers.replace(CSVApps[value].temperature, tr("Sample temperature"));
if (CSVApps[value].po2 != -1)
headers.replace(CSVApps[value].po2, tr("Sample po2"));
if (CSVApps[value].cns != -1)
headers.replace(CSVApps[value].cns, tr("Sample cns"));
if (CSVApps[value].ndl != -1)
headers.replace(CSVApps[value].ndl, tr("Sample ndl"));
if (CSVApps[value].tts != -1)
headers.replace(CSVApps[value].tts, tr("Sample tts"));
if (CSVApps[value].stopdepth != -1)
headers.replace(CSVApps[value].stopdepth, tr("Sample stopdepth"));
if (CSVApps[value].pressure != -1)
headers.replace(CSVApps[value].pressure, tr("Samples pressure"));
}
f.reset();
int rows = 0;
while (rows < 10 || !f.atEnd()) {

7
qt-ui/divelogimportdialog.h
View file

@ -80,11 +80,14 @@ class DiveLogImportDialog : public QDialog {
public:
explicit DiveLogImportDialog(QStringList fn, QWidget *parent = 0);
~DiveLogImportDialog();
enum whatChanged { INITIAL, SEPARATOR, KNOWNTYPES };
private
slots:
void on_buttonBox_accepted();
void loadFileContents();
void loadFileContentsSeperatorSelected(int value);
void loadFileContentsKnownTypesSelected(int value);
void loadFileContents(int value, enum whatChanged triggeredBy);
private:
bool selector;
QStringList fileNames;