datetimehelp.cpp

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#include "datetimehelp.h"
#include "ui_datetimehelp.h"
 
#include <QScrollBar>
 
// Source: https://stackoverflow.com/a/42458736
void verticalResizeTableViewToContents(QTableView* tableView)
{
  int count = tableView->verticalHeader()->count();
  int scrollBarHeight = 0;
  if (tableView->horizontalScrollBar()->isVisible())
  {
    scrollBarHeight = tableView->horizontalScrollBar()->height();
  }
  int horizontalHeaderHeight = tableView->horizontalHeader()->height();
  int rowTotalHeight = 0;
  for (int i = 0; i < count; ++i)
  {
    // 2018-03 edit: only account for row if it is visible
    if (!tableView->verticalHeader()->isSectionHidden(i))
    {
      rowTotalHeight += tableView->verticalHeader()->sectionSize(i);
    }
  }
  tableView->setMinimumHeight(horizontalHeaderHeight + rowTotalHeight + scrollBarHeight);
}
 
DateTimeHelp::DateTimeHelp(QDialog* parent)
  : QDialog(parent), ui(new Ui::DateTimeHelp), _parent(parent)
{
  ui->setupUi(this);
 
  verticalResizeTableViewToContents(ui->dateFormatTable);
  verticalResizeTableViewToContents(ui->timeFormatTable);
 
  refreshExample();
 
  connect(ui->exampleDateTimeDateTimeEdit, &QDateTimeEdit::dateTimeChanged, this,
          [this]() { refreshExample(); });
 
  connect(ui->exampleFormatStringLineEdit, &QLineEdit::textChanged, this,
          [this]() { refreshExample(); });
 
  connect(_parent, &QDialog::finished, this, [this]() {
    if (ui->autoCloseCheckBox->isChecked())
    {
      accept();
    }
  });
}
 
DateTimeHelp::~DateTimeHelp()
{
  delete ui;
}
 
void DateTimeHelp::refreshExample()
{
  auto dateTime = ui->exampleDateTimeDateTimeEdit->dateTime();
  auto formatString = ui->exampleFormatStringLineEdit->text();
  ui->resultLineEdit->setText(dateTime.toString(formatString));
}