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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* multilist.cc
*
* Mon Jun 16 15:31:24 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 "multilist.h"
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGridLayout>
#include <QPushButton>
#include <QFrame>
#include <QLabel>
#include <QEvent>
#include <QKeyEvent>
#include "messagebox.h"
#include "common.h"
#include "macrowindow.h"
#include "debug.h"
MultiList::MultiList(QDomNode &node, MacroWindow *macrowindow)
: Widget(node, macrowindow)
{
frame = new QFrame();
widget = frame;
hideChildren = true;
innerwidget_has_changes = false;
setCommonAttributes(frame, node);
QGridLayout *layout = new QGridLayout(frame);
frame->setLayout(layout);
list = new QListWidget(frame);
layout->addWidget(list, 0, 0, 1, 2, Qt::AlignTop);
list->installEventFilter(this);
QPushButton *add = new QPushButton(frame);
connect(add, SIGNAL(clicked()), this, SLOT(add()));
add->setText(tr("Add to list"));
add->setIcon(QIcon(QPixmap(":icons/add.png")));
layout->addWidget(add, 1, 0, 1, 1, Qt::AlignTop);
QPushButton *rem = new QPushButton(frame);
connect(rem, SIGNAL(clicked()), this, SLOT(remove()));
rem->setText(tr("Remove from list"));
rem->setIcon(QIcon(QPixmap(":icons/del.png")));
layout->addWidget(rem, 1, 1, 1, 1, Qt::AlignTop);
QLabel *arrows = new QLabel(frame);
arrows->setPixmap(QPixmap(":icons/arrows.png"));
layout->addWidget(arrows, 2, 0, 1, 2, Qt::AlignHCenter);
QWidget *inputbox = new QWidget(frame);
inputbox->setContentsMargins(0,0,0,0);
layout->addWidget(inputbox, 3, 0, 1, 2, Qt::AlignTop);
QDomElement elem = node.toElement();
if(elem.hasAttribute("layout")) {
if(elem.attribute("layout") == "hbox") {
QHBoxLayout *layout = new QHBoxLayout(inputbox);
inputbox->setLayout(layout);
} else if (elem.attribute("layout") == "vbox") {
QVBoxLayout *layout = new QVBoxLayout(inputbox);
inputbox->setLayout(layout);
} else { // layout not set
QVBoxLayout *layout = new QVBoxLayout(inputbox);
inputbox->setLayout(layout);
}
} else {
QHBoxLayout *layout = new QHBoxLayout(inputbox);
inputbox->setLayout(layout);
}
inputbox->layout()->setContentsMargins(0,0,0,0);
addChildren(node, inputbox->layout());
innerwidget = NULL;
if(elem.hasAttribute("innerwidget")) {
innerwidget = findWidget(elem.attribute("innerwidget"), true);
if(innerwidget) {
connect(innerwidget, SIGNAL(wasChanged()), this, SLOT(changed()));
} else {
DEBUG(multilist, "ERROR: Inner Widget %s not found (in multilist)!\n",
elem.attribute("innerwidget").toStdString().c_str());
}
} else {
DEBUG(multilist, "ERROR: Missing 'innerwidget' attribute on multilist!\n");
}
layout->setContentsMargins(0,0,0,0);
}
MultiList::~MultiList()
{
// delete frame;
}
void MultiList::changed()
{
innerwidget_has_changes = true;
DEBUG(multilist, "Multilist innerwidget was changed\n");
}
bool MultiList::preCommit()
{
if(innerwidget_has_changes) {
switch(MessageBox::warning(NULL,
tr("Inner widget changed."),
tr("The inner widget changed, and you didn't add it to the list.\n"
"Do you want to continue and discard the change?"),
MessageBox::Ignore | MessageBox::Cancel)) {
case MessageBox::Ignore:
break;
case MessageBox::Cancel:
default:
return false;
}
}
return true;
}
QString MultiList::value()
{
QString values;
QList<QListWidgetItem *> items = list->findItems("*", Qt::MatchWildcard);
QList<QListWidgetItem *>::iterator i = items.begin();
while(i != items.end()) {
QListWidgetItem *item = *i;
if(values != "") values += "\n";
values += item->text();
i++;
}
return values;
}
void MultiList::setValue(QString values, QString source)
{
DEBUG(multilist, "setValue(%s)\n", values.toStdString().c_str());
if(isUserSource(source)) emit wasChanged();
QString value;
list->clear();
int idx = 0;
do {
value = values.section('\n', idx, idx);
if(value != "") list->addItem(value);
idx++;
} while(value != "");
emit eventOnChange();
}
void MultiList::remove()
{
QListWidgetItem *item = list->currentItem();
if(item && item->isSelected()) {
delete item;
emit eventOnChange();
emit wasChanged();
}
}
void MultiList::add()
{
if(innerwidget && innerwidget->valid(true)) {
list->addItem(innerwidget->value());
emit wasChanged();
innerwidget->setValues(); // Hack to reset widgets to their initial values.
innerwidget_has_changes = false;
emit eventOnChange();
}
}
void MultiList::setValues()
{
Widget::setValues();
innerwidget_has_changes = false;
}
bool MultiList::setKeyboardFocus()
{
if(innerwidget) return innerwidget->setKeyboardFocus();
return false;
}
bool MultiList::eventFilter(QObject *obj, QEvent *event)
{
if(event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
if(keyEvent->key() == Qt::Key_Delete) remove();
}
return QObject::eventFilter(obj, event);
}
void MultiList::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)));
}
list->setPalette(palette);
}
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