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/*
* calcdateeditor.cpp
*
* (c) 2003-2004,2008-2010 by Jeremy Bowman <jmbowman@alum.mit.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
/** @file calctimeeditor.cpp
* Source file for CalcTimeEditor
*/
#include <QApplication>
#include <QButtonGroup>
#include <QComboBox>
#include <QDateTime>
#include <QMessageBox>
#include <QRadioButton>
#include "calcnode.h"
#include "calctimeeditor.h"
#include "../database.h"
#include "../datatypes.h"
#include "../factory.h"
#include "../formatting.h"
#include "../timewidget.h"
/**
* Constructor.
*
* @param dbase The database being edited
* @param colNames Ordered list of all the database's column names
* @param colTypes Ordered list of all the database's column types
* @param parent This dialog's parent widget
*/
CalcTimeEditor::CalcTimeEditor(Database *dbase, const QStringList &colNames, int *colTypes, QWidget *parent)
: PBDialog(tr("Calculation Node Editor"), parent), db(dbase)
{
group = new QButtonGroup(this);
QGridLayout *grid = Factory::gridLayout(vbox);
QRadioButton *colButton = new QRadioButton(tr("Column"), this);
grid->addWidget(colButton, 0, 0);
group->addButton(colButton, 0);
columnList = new QComboBox(this);
grid->addWidget(columnList, 0, 1);
int count = colNames.count();
int i;
for (i = 0; i < count; i++) {
int type = colTypes[i];
if (type == TIME) {
columnList->addItem(colNames[i]);
}
}
QRadioButton *constantButton = new QRadioButton(tr("Constant"), this);
grid->addWidget(constantButton, 1, 0);
group->addButton(constantButton, 1);
timeWidget = new TimeWidget(this);
grid->addWidget(timeWidget, 1, 1);
if (columnList->count() > 0) {
group->button(0)->setChecked(true);
}
else {
// no date columns, so can't select one
group->button(1)->setChecked(true);
colButton->setEnabled(false);
}
finishLayout(parent->width() / 2);
}
/**
* Reset the dialog's entry widgets to their default values. Typically used
* when relaunching it for a different node.
*/
void CalcTimeEditor::reset()
{
group->button(0)->setChecked(true);
if (columnList->count() > 0) {
columnList->setCurrentIndex(0);
}
QTime now = QTime::currentTime();
timeWidget->setTime(now);
}
/**
* Create a new calculation node and set it's properties to match those
* currently selected in this dialog.
*
* @return The newly created and configured node
*/
CalcNode *CalcTimeEditor::createNode()
{
CalcNode *node = new CalcNode(CalcNode::TimeConstant, "");
updateNode(node);
return node;
}
/**
* Set the properties of the provided node to match those currently
* selected in this dialog.
*
* @param node The node to be updated
*/
void CalcTimeEditor::updateNode(CalcNode *node)
{
int selection = group->checkedId();
if (selection == 0) {
node->setType(CalcNode::TimeColumn);
node->setValue(columnList->currentText());
}
else {
node->setType(CalcNode::TimeConstant);
QString timeString = timeWidget->getTime();
bool ok;
QString time = Formatting::parseTimeString(timeString, &ok);
// isValid() has already been checked, so ignore "ok"
node->setValue(time);
}
}
/**
* Update this dialog's properties to match those of the provided node.
*
* @param node The node to be reflected by the dialog
*/
void CalcTimeEditor::setNode(CalcNode *node)
{
reset();
CalcNode::NodeType type = node->type();
QString value = node->value();
if (type == CalcNode::TimeConstant) {
group->button(1)->setChecked(true);
timeWidget->setTime(value.toInt());
}
else if (type == CalcNode::TimeColumn) {
group->button(0)->setChecked(true);
int count = columnList->count();
for (int i = 0; i < count; i++) {
if (columnList->itemText(i) == value) {
columnList->setCurrentIndex(i);
break;
}
}
}
}
/**
* Determine if the currently entered values represent a valid node or not.
*
* @return True if the selected properties are valid, false otherwise
*/
bool CalcTimeEditor::isValid()
{
if (group->checkedId() == 0) {
return true;
}
QString time = timeWidget->getTime();
QString error = db->isValidValue(TIME, time);
if (!error.isEmpty()) {
QString message = tr("Constant") + ": " + error;
QMessageBox::warning(this, qApp->applicationName(), message);
return false;
}
return true;
}
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