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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* dbwidget.cc
*
* Mon Sep 1 16:23:54 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "dbwidget.h"
#include <QDomNodeList>
#include <QCompleter>
#include <QRegExpValidator>
#include <QRegExp>
#include <QStringListModel>
#include <QSqlQuery>
#include <QSqlError>
#include <QLineEdit>
#include <QComboBox>
#include "common.h"
#define EMPTY_STRING "Write something in the searchfield"
DBWidget::DBWidget(QDomNode &node, MacroWindow *macrowindow)
: Widget(node, macrowindow)
{
combobox = new QComboBox();
widget = combobox;
changedByUser = true;
QDomElement elem = node.toElement();
if(!elem.hasAttribute("driver") ||
!elem.hasAttribute("server") ||
!elem.hasAttribute("user") ||
!elem.hasAttribute("database") ||
!elem.hasAttribute("select") ||
!elem.hasAttribute("from") ||
!elem.hasAttribute("where") ||
!elem.hasAttribute("format")) {
printf("Error: missing tag!\n");
}
select = elem.attribute("select");
from = elem.attribute("from");
where = elem.attribute("where");
format = elem.attribute("format");
db = QSqlDatabase::addDatabase(elem.attribute("driver"));
db.setHostName(elem.attribute("server"));
if(elem.hasAttribute("port")) db.setPort(elem.attribute("port").toInt());
db.setDatabaseName(elem.attribute("database"));
db.setUserName(elem.attribute("user"));
if(elem.hasAttribute("password")) db.setPassword(elem.attribute("password"));
db.setConnectOptions("connect_timeout=2000");
bool ok = db.open();
if(!ok) {
printf("DB connect failed!\n");
}
setCommonAttributes(combobox, node);
combobox->setInsertPolicy(QComboBox::InsertAlphabetically);
combobox->setEditable(true);
// Make empty default selection.
combobox->addItem(tr("Write something in the searchfield"));
combobox->setCurrentIndex(-1);
QStringListModel *strlst = new QStringListModel();
QCompleter *completer = new QCompleter(this);
completer->setCaseSensitivity(Qt::CaseInsensitive);
completer->setCompletionMode(QCompleter::PopupCompletion);
completer->setModel(strlst);
combobox->setCompleter(completer);
connect(combobox, SIGNAL(editTextChanged(QString)), this, SLOT(changed()));
connect((QWidget*)combobox->lineEdit(), SIGNAL(textEdited(QString)),
this, SLOT(update_list(QString)));
changed();
}
DBWidget::~DBWidget()
{
db.close();
db = QSqlDatabase();
// delete combobox;
}
QString DBWidget::value()
{
QString value;
value = combobox->currentText();
return value;
}
void DBWidget::setValue(QString value, QString source)
{
changedByUser = false;
if(isUserSource(source)) emit wasChanged();
combobox->setEditText(value);
// setInitialValue(value);
changedByUser = true;
}
bool DBWidget::preValid()
{
return combobox->currentText() != tr(EMPTY_STRING) &&
combobox->currentText() != "" &&
combobox->findText(combobox->currentText()) != -1
;
}
void DBWidget::changed()
{
if(changedByUser) emit wasChanged();
eventOnChange();
}
void DBWidget::update_list(QString prefix)
{
if(prefix == "") {
combobox->clear();
combobox->addItem(tr(EMPTY_STRING));
combobox->setCurrentIndex(-1);
return;
}
QSqlQuery query = db.exec("SELECT " + select +
" FROM " + from +
" WHERE LOWER(" + where + ")"
" LIKE '" + prefix.toLower() + "%';");
QStringList lst;
while(query.next()) {
// lst << format_parser(format, query);
}
lst.sort();
QStringListModel *mdl = (QStringListModel *)combobox->completer()->model();
if(mdl->stringList() != lst) {
QString val = combobox->currentText();
combobox->clear();
if(lst.size() == 0) lst << "Søgningen passede ikke på noget.";
combobox->addItems(lst);
combobox->setEditText(val);
mdl->setStringList(lst);
//showPopup();
}
}
void DBWidget::setWdgValid(bool valid)
{
QPalette palette;
if(valid) {
// valid string
palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
} else {
// invalid string
palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
}
combobox->lineEdit()->setPalette(palette);
combobox->setPalette(palette);
}
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