/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            mainwindow.cc
 *
 *  Wed Sep 17 09:41:09 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 "mainwindow.h"

#include <QApplication>
#include <QDomDocument>
#include <QDomNodeList>
#include <QDomNode>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QGroupBox>
#include <QScrollArea>

MainWindow::MainWindow(QString cpr, QString course, QString host, quint16 port, QString user)
  : netcom(host, port, user, cpr)
{
  resize(768, 1024);

  QScrollArea *s = new QScrollArea();
  setCentralWidget(s);
  w = new QWidget();
  s->setWidget(w);
  s->setWidgetResizable(true);

  w->setLayout(new QVBoxLayout());
  this->course = course;
  init();
}

MainWindow::~MainWindow()
{
}

void MainWindow::init()
{
  update();
}

void MainWindow::update()
{
  QDomDocument xml_doc = netcom.send(course);

  QDomNodeList courses = xml_doc.documentElement().childNodes();
  QDomNode coursenode = courses.at(0); // There can be only one! (Swush, flomp)
  QDomNodeList macronodes = coursenode.childNodes();
  for(int j = 0; j < macronodes.count(); j++) {
    QDomNode macronode = macronodes.at(j);

    QDomElement xml_elem = macronode.toElement();

    if(xml_elem.tagName() == "macro") {

      if(xml_elem.hasAttribute("header")) {
        // Macro is a special headline macro.
        // Simply create a headline, and ignore the rest.
        QLabel *header = new QLabel();
        header->setText(xml_elem.attribute("header"));
        QFont headerfont = header->font();
        headerfont.setBold(true);
        headerfont.setPointSize(headerfont.pointSize() + 2);
        header->setFont(headerfont);
        w->layout()->addWidget(header);
        continue;
      }

      QString macroname;
      if(xml_elem.hasAttribute("name")) macroname = xml_elem.attribute("name");

      if(macros.find(macroname) == macros.end()) {
        bool isstatic = false;
        bool iscompact = false;
        if(xml_elem.attribute("static", "false") == "true") isstatic = true;
        if(xml_elem.attribute("compact", "false") == "true") iscompact = true;
        macros[macroname] = new MacroWindow(&netcom, macronode, course, !isstatic, iscompact);

        QGroupBox *g = new QGroupBox();
        g->setTitle("      " + xml_elem.attribute("caption", macroname));
        g->setFlat(true);
        {
          QFont f = g->font();
          //f.setBold(true);
          f.setItalic(true);
          g->setFont(f);
        }
        ((QBoxLayout*)w->layout())->addWidget(g);

        if(!isstatic) {
          QPushButton *b = new QPushButton("±", g);
          b->setFixedSize(16,16);
          b->move(0,0);
          {
            QFont f = b->font();
            f.setBold(false);
            f.setItalic(false);
            b->setFont(f);
          }

          connect(b, SIGNAL(clicked()), macros[macroname], SLOT(toggleMacro()));
        }
        
        QHBoxLayout *l = new QHBoxLayout();
        l->setContentsMargins(10,0,10,0);
        g->setLayout(l);
        l->addWidget(macros[macroname]);
        connect(macros[macroname], SIGNAL(updateOnCommit()), this, SLOT(update()));
        {
          QFont f = macros[macroname]->font();
          f.setBold(false);
          f.setItalic(false);
          macros[macroname]->setFont(f);
        }
      } else {

        macros[macroname]->update(macronode);
        if(xml_elem.attribute("static", "false") == "false") {
          macros[macroname]->setCollapsed(true);
        }

      }
    }
  }
}