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#include <QMessageBox>
#include "ColumnDisplayFormatDialog.h"
#include "ui_ColumnDisplayFormatDialog.h"
#include "sql/sqlitetypes.h"
#include "sqlitedb.h"
ColumnDisplayFormatDialog::ColumnDisplayFormatDialog(DBBrowserDB& db, const sqlb::ObjectIdentifier& tableName, const QString& colname, const QString& current_format, QWidget* parent)
: QDialog(parent),
ui(new Ui::ColumnDisplayFormatDialog),
column_name(colname),
pdb(db),
curTable(tableName)
{
// Create UI
ui->setupUi(this);
ui->comboDisplayFormat->addItem(tr("Default"), "default");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Decimal number"), "decimal");
ui->comboDisplayFormat->addItem(tr("Exponent notation"), "exponent");
ui->comboDisplayFormat->addItem(tr("Hex blob"), "hexblob");
ui->comboDisplayFormat->addItem(tr("Hex number"), "hex");
ui->comboDisplayFormat->addItem(tr("Octal number"), "octal");
ui->comboDisplayFormat->addItem(tr("Round number"), "round");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Apple NSDate to date"), "appleDate");
ui->comboDisplayFormat->addItem(tr("Java epoch (milliseconds) to date"), "javaEpoch");
ui->comboDisplayFormat->addItem(tr(".NET DateTime.Ticks to date"), "dotNetTicks");
ui->comboDisplayFormat->addItem(tr("Julian day to date"), "julian");
ui->comboDisplayFormat->addItem(tr("Unix epoch to date"), "epoch");
ui->comboDisplayFormat->addItem(tr("Unix epoch to local time"), "epochLocalTime");
ui->comboDisplayFormat->addItem(tr("WebKit / Chromium epoch to date"), "webkitEpoch");
ui->comboDisplayFormat->addItem(tr("WebKit / Chromium epoch to local time"), "webkitEpochLocalTime");
ui->comboDisplayFormat->addItem(tr("Windows DATE to date"), "winDate");
ui->comboDisplayFormat->addItem(tr("Date as dd/mm/yyyy"), "ddmmyyyyDate");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Lower case"), "lower");
ui->comboDisplayFormat->addItem(tr("Upper case"), "upper");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Binary GUID to text"), "guid");
ui->comboDisplayFormat->addItem(tr("SpatiaLite Geometry to SVG"), "geomToSVG");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Custom"), "custom");
ui->labelDisplayFormat->setText(ui->labelDisplayFormat->text().arg(column_name));
const QString e_column_name = sqlb::escapeIdentifier(column_name);
formatFunctions["decimal"] = "printf('%d', " + e_column_name + ")";
formatFunctions["exponent"] = "printf('%e', " + e_column_name + ")";
formatFunctions["hexblob"] = "hex(" + e_column_name + ")";
formatFunctions["hex"] = "printf('0x%x', " + e_column_name + ")";
formatFunctions["octal"] = "printf('%o', " + e_column_name + ")";
formatFunctions["round"] = "round(" + e_column_name + ")";
formatFunctions["appleDate"] = "datetime('2001-01-01', " + e_column_name + " || ' seconds')";
formatFunctions["javaEpoch"] = "strftime('%Y-%m-%d %H:%M:%S.', " + e_column_name +
"/1000, 'unixepoch') || (" + e_column_name + "%1000)";
formatFunctions["dotNetTicks"] = "datetime(" + e_column_name + " / 10000000 - 62135596800, 'unixepoch')";
formatFunctions["julian"] = "datetime(" + e_column_name + ")";
formatFunctions["epoch"] = "datetime(" + e_column_name + ", 'unixepoch')";
formatFunctions["epochLocalTime"] = "datetime(" + e_column_name + ", 'unixepoch', 'localtime')";
formatFunctions["webkitEpoch"] = "datetime(" + e_column_name + " / 1e6 - 11644473600, 'unixepoch')";
formatFunctions["webkitEpochLocalTime"] = "datetime(" + e_column_name + " / 1e6 - 11644473600, 'unixepoch', 'localtime')";
formatFunctions["winDate"] = "datetime('1899-12-30', " + e_column_name + " || ' days')";
formatFunctions["ddmmyyyyDate"] = "strftime('%d/%m/%Y', " + e_column_name + ")";
formatFunctions["lower"] = "lower(" + e_column_name + ")";
formatFunctions["upper"] = "upper(" + e_column_name + ")";
formatFunctions["guid"] = "substr(hex(" + e_column_name + "), 7, 2) || " +
"substr(hex(" + e_column_name + "), 5, 2) || " +
"substr(hex(" + e_column_name + "), 3, 2) || " +
"substr(hex(" + e_column_name + "), 1, 2) || '-' || " +
"substr(hex(" + e_column_name + "), 11, 2) || " +
"substr(hex(" + e_column_name + "), 9, 2) || '-' || " +
"substr(hex(" + e_column_name + "), 15, 2) || " +
"substr(hex(" + e_column_name + "), 13, 2) || '-' || " +
"substr(hex(" + e_column_name + "), 17, 4) || '-' || " +
"substr(hex(" + e_column_name + "), 21, 12)";
formatFunctions["geomToSVG"] = QString(
R"('<svg xmlns="http://www.w3.org/2000/svg">'
|| '<path d="'
|| AsSVG(
ScaleCoords(
ST_Translate(%1, -St_MinX(%1), -St_MaxY(%1), 0)
, 639 / (MAX(St_MaxX(%1) - St_MinX(%1), St_MaxY(%1) - St_MinY(%1))))
, 1, 5)
|| '" stroke="darkblue" fill="#b5cfed" stroke-width="1"/>'
|| '</svg>')").arg(e_column_name);
// Set the current format, if it's empty set the default format
if(current_format.isEmpty())
{
ui->comboDisplayFormat->setCurrentIndex(0);
updateSqlCode();
} else {
// When it doesn't match any predefined format, it is considered custom
QString formatName = "custom";
auto it = std::find_if(formatFunctions.begin(), formatFunctions.end(), [current_format](const std::pair<std::string, QString>& s) {
return s.second == current_format;
});
if(it != formatFunctions.end())
formatName = QString::fromStdString(it->first);
ui->comboDisplayFormat->setCurrentIndex(ui->comboDisplayFormat->findData(formatName));
ui->editDisplayFormat->setText(current_format);
}
}
ColumnDisplayFormatDialog::~ColumnDisplayFormatDialog()
{
delete ui;
}
void ColumnDisplayFormatDialog::showEvent(QShowEvent *)
{
adjustSize();
}
QString ColumnDisplayFormatDialog::selectedDisplayFormat() const
{
if(ui->comboDisplayFormat->currentData().toString() == "default")
return QString();
else
return ui->editDisplayFormat->text();
}
void ColumnDisplayFormatDialog::updateSqlCode()
{
std::string format = ui->comboDisplayFormat->currentData().toString().toStdString();
if(format == "default")
ui->editDisplayFormat->setText(sqlb::escapeIdentifier(column_name));
else if(format != "custom")
ui->editDisplayFormat->setText(formatFunctions.at(format));
}
void ColumnDisplayFormatDialog::accept()
{
QString errorMessage;
// Accept the SQL code if it's the column name (default), it contains a function invocation applied to the column name and it can be
// executed without errors returning only one column.
// Users could still devise a way to break this, but this is considered good enough for letting them know about simple incorrect
// cases.
if(!(ui->editDisplayFormat->text() == sqlb::escapeIdentifier(column_name) ||
ui->editDisplayFormat->text().contains(QRegularExpression("[a-z]+[a-z_0-9]* *\\(.*" + QRegularExpression::escape(sqlb::escapeIdentifier(column_name)) + ".*\\)", QRegularExpression::CaseInsensitiveOption))))
errorMessage = tr("Custom display format must contain a function call applied to %1").arg(sqlb::escapeIdentifier(column_name));
else {
// Execute a query using the display format and check that it only returns one column.
int customNumberColumns = 0;
DBBrowserDB::execCallback callback = [&customNumberColumns](int numberColumns, std::vector<QByteArray>, std::vector<QByteArray>) -> bool {
customNumberColumns = numberColumns;
// Return false so the query is not aborted and no error is reported.
return false;
};
if(!pdb.executeSQL("SELECT " + ui->editDisplayFormat->text().toStdString() + " FROM " + curTable.toString() + " LIMIT 1",
false, true, callback))
errorMessage = tr("Error in custom display format. Message from database engine:\n\n%1").arg(pdb.lastError());
else if(customNumberColumns != 1)
errorMessage = tr("Custom display format must return only one column but it returned %1.").arg(customNumberColumns);
}
if(!errorMessage.isEmpty())
QMessageBox::warning(this, QApplication::applicationName(), errorMessage);
else
QDialog::accept();
}
void ColumnDisplayFormatDialog::setCustom(bool modified)
{
// If the SQL code is modified by user, select the custom value in the combo-box
if(modified && ui->editDisplayFormat->hasFocus())
ui->comboDisplayFormat->setCurrentIndex(ui->comboDisplayFormat->findData("custom"));
}