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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* altcombobox.cc
*
* Tue Nov 25 08:18:10 CET 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 "altcombobox.h"
#include <QFrame>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QComboBox>
#include "common.h"
#include "multilist.h"
#include "macrowindow.h"
#include "debug.h"
AltComboBox::AltComboBox(QDomNode &node, MacroWindow *macrowindow)
: Widget(node, macrowindow)
{
frame = new QFrame();
widget = frame;
hideChildren = true;
innerwidget = NULL;
setCommonAttributes(frame, node);
setCommonLayout(frame, node);
combobox = new ComboBox(node, macrowindow);
frame->layout()->addWidget(combobox->qwidget());
combobox->qwidget()->show();
altframerepl = new QFrame();
QHBoxLayout *l = new QHBoxLayout();
altframerepl->setLayout(l);
l->addStretch();
altframe = new QFrame();
frame->layout()->addWidget(altframe);
QVector< Widget* > widgets;
QString iwname;
QDomNodeList items = node.childNodes();
for(int i = 0; i < items.count(); i++) {
QDomElement item = items.at(i).toElement();
if(item.tagName() == "altitem") {
if(item.hasAttribute("value")) {
altvalue = item.attribute("value");
} else {
ERROR(altcombobos, "altitem tag is missing the value attribute, "
"in altcombobox!\n");
}
if(item.hasAttribute("innerwidget")) {
iwname = item.attribute("innerwidget");
} else {
ERROR(altcombobox, "altitem tag is missing the innerwidget attribute, "
"in altcombobox!\n");
}
if(item.hasAttribute("layout")) {
if(item.attribute("layout") == "hbox") {
QHBoxLayout *layout = new QHBoxLayout();
altframe->setLayout(layout);
} else if(item.attribute("layout") == "vbox") {
QVBoxLayout *layout = new QVBoxLayout();
altframe->setLayout(layout);
} else { // Illigal layout choosen.
QVBoxLayout *layout = new QVBoxLayout();
altframe->setLayout(layout);
}
} else {
QHBoxLayout *layout = new QHBoxLayout();
altframe->setLayout(layout);
}
addChildren(item, altframe->layout());
}
}
innerwidget = findWidget(iwname, true);
if(innerwidget == NULL) {
ERROR(altcombobox, "Inner Widget %s not found (in altcombobox)!\n",
iwname.toStdString().c_str());
}
// To detect if the altvalue has been selected:
connect(combobox->qwidget(), SIGNAL(currentIndexChanged(int)),
this, SLOT(onValueChange(int)));
connect(combobox->qwidget(), SIGNAL(editTextChanged(const QString&)),
this, SLOT(onValueChange(const QString&)));
// To react to changes in any of the children:
connect(combobox, SIGNAL(wasChanged()), this, SLOT(onChildChange()));
if(innerwidget)
connect(innerwidget, SIGNAL(wasChanged()), this, SLOT(onChildChange()));
frame->layout()->setContentsMargins(0,0,0,0);
altframe->layout()->setContentsMargins(0,0,0,0);
frame->show(); // Force altframe to get resized to its real size.
altframerepl->setFixedHeight(altframe->height());
}
AltComboBox::~AltComboBox()
{
// delete frame;
}
bool AltComboBox::preValid()
{
if(!combobox->valid()) return false;
if(innerwidget && combobox->value() == altvalue) {
if(!innerwidget->valid()) return false;
}
return true;
}
QString AltComboBox::value()
{
if(combobox->value() == altvalue) {
if(innerwidget) return innerwidget->value();
else return "";
} else {
return combobox->value();
}
}
void AltComboBox::setValue(QString value, QString source)
{
// No need for this, it will be enitted by the children.
// if(isUserSource(source)) emit wasChanged();
QComboBox *cmb = (QComboBox*)combobox->qwidget();
if(cmb->findData(value) != -1) {
combobox->setValue(value, source);
} else {
combobox->setValue(altvalue);
if(innerwidget) {
innerwidget->setValue(value, source);
}
}
// setInitialValue(value);
}
void AltComboBox::onValueChange(int index)
{
QComboBox *cmb = (QComboBox*)combobox->qwidget();
DEBUG(alcombobox, "Value changed: %s altvalue: %s\n",
cmb->itemData(index).toString().toStdString().c_str(),
altvalue.toStdString().c_str());
if(cmb->itemData(index).toString() == altvalue) {
altframerepl->setVisible(false);
frame->layout()->removeWidget(altframerepl);
frame->layout()->addWidget(altframe);
altframe->setVisible(true);
} else {
altframe->setVisible(false);
frame->layout()->removeWidget(altframe);
frame->layout()->addWidget(altframerepl);
altframerepl->setVisible(true);
}
emit eventOnChange(true);
innerwidget->runEventOnChange();
}
void AltComboBox::onValueChange(const QString &text)
{
QComboBox *cmb = (QComboBox*)combobox->qwidget();
onValueChange(cmb->findText(text));
}
void AltComboBox::onChildChange()
{
emit eventOnChange(true);
emit wasChanged();
}
bool AltComboBox::setKeyboardFocus()
{
if(combobox->value() == altvalue) {
if(innerwidget) return innerwidget->setKeyboardFocus();
}
combobox->setKeyboardFocus();
return true;
}
void AltComboBox::setWdgValid(bool valid)
{
DEBUG(altcombobox, "Set valid(%s)", valid?"true":"false");
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)));
}
frame->setPalette(palette);
combobox->qwidget()->setPalette(palette);
// if(innerwidget) innerwidget->setWdgValid(valid);
}
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