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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* macro.cc
*
* Fri Aug 31 13:40:17 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng and Lars Bisballe Jensen
* deva@aasimon.org and elsenator@gmail.com
****************************************************************************/
/*
* 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 "macro.h"
#include <QApplication>
#include <QDomDocument>
#include <QObject>
#include <QEvent>
#include <QLinkedList>
#include "macrowindow.h"
#include "netcom.h"
#define MACRO_EVENT_ID 65432
QLinkedList< MacroWindow * > macrowindows;
extern QString cpr;
extern QString user;
extern QString host;
extern quint16 port;
/**
* Macro Event used to trigger the creation of a new macro
*/
class MacroEvent : public QEvent {
public:
MacroEvent(QString course, QString macro) :
QEvent((QEvent::Type)MACRO_EVENT_ID),
macro(macro),
course(course) {}
QString macro;
QString course;
};
/**
* Macro Event Filter used to catch the Macro Events.
*/
class MacroEventFilter : public QObject {
protected:
bool eventFilter( QObject *o, QEvent *e );
};
/**
* The single global macro event filter.
* It is created the first time new_macro is called.
*/
static MacroEventFilter *macro_event_filter = NULL;
/**
* Create the new macro
*/
static void create_macro(QString course, QString macro)
{
QDomDocument xml_doc = Global::netcom->send(course, macro);
cleanup_macros();
//
// TODO: This is where the dependency checking should occur.
//
// Initiate the new macro window with the xml document and push
// it to the window list
QDomNodeList courses = xml_doc.documentElement().childNodes();
QDomNode coursenode = courses.at(0); // There can be only one! (Swush, flomp)
QDomNodeList macros = coursenode.childNodes();
for(int j = 0; j < macros.count(); j++) {
QDomNode macronode = macros.at(j);
// Only create if the macro contains something.
if(macronode.childNodes().count())
macrowindows.push_back( new MacroWindow( macronode ) );
}
}
/**
* Event filter callback method
*/
bool MacroEventFilter::eventFilter(QObject *, QEvent *e)
{
if(e->type() == MACRO_EVENT_ID) {
MacroEvent *event = (MacroEvent*)e;
create_macro(event->course, event->macro);
return TRUE; // eat event
} else {
return FALSE;
}
}
/**
* Delete all closed windows from window list
*/
void cleanup_macros()
{
QLinkedList< MacroWindow * >::iterator i = macrowindows.begin();
while(i != macrowindows.end()) {
if( (*i)->isClosed() ) {
delete *i;
i = macrowindows.erase(i);
} else {
i++;
}
}
}
/**
* Public macro creation function.
* Initiates the creation of a new macro.
*/
void new_macro(QString course, QString macro)
{
if(macro_event_filter == NULL) {
macro_event_filter = new MacroEventFilter();
qApp->installEventFilter( macro_event_filter );
}
MacroEvent *event = new MacroEvent(course, macro);
qApp->postEvent(qApp, event);
qApp->processEvents(); // To prevent QT from closing when no windows are present
}
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