/* main.cc */

// #include "inf.h"

#include "palette.h"
#include "tree.h"
#include "view.h"
#include "edit.h"
#include "table.h"
#include "prop.h"

#include "QApplication"
#include "QMainWindow"
#include "QMenuBar"
#include "QToolBar"
#include "QStatusBar"
#include "QAction"
#include "QPushButton"
#include "QTextEdit"
#include "QSplitter"
#include "QHBoxLayout"

#if QT_VERSION >= 0x040300
   #define QT_4_3
#endif

#if QT_VERSION >= 0x040500
   #define QT_4_5
#endif

#if QT_VERSION >= 0x040600
   #define QT_4_6
#endif

// #define UI

#ifdef UI
  #include "QUiLoader"
  #include "QFormBuilder"
  #include "QFile"
#endif

#ifdef UI
QWidget * load_form ()
{
   QUiLoader loader;
   QFile file ("win.ui");
   file.open (QFile::ReadOnly);
   QWidget * widget = loader.load (&file);
   file.close();
   return widget;
}

QWidget * form_builder ()
{
   QFormBuilder loader;
   QFile file ("win.ui");
   file.open (QFile::ReadOnly);
   QWidget * widget = loader.load (&file);
   file.close();
   return widget;
}
#endif

extern "C" int main (int argc, char * * argv)
{
    // finch::set_error_handlers ();

    QApplication app (argc, argv);

    QMainWindow * win = new QMainWindow ();

    QMenuBar * mainMenu = new QMenuBar ();
    QToolBar * toolbar = new QToolBar ();
    QStatusBar * statusBar = new QStatusBar ();

    MyPalette * palette = new MyPalette ();
    MyTree * tree = new MyTree ();
    MyView * view = new MyView ();
    MyEdit * edit = new MyEdit ();
    MyTable * table = new MyTable ();
    MyProp * prop = new MyProp ();

    /* tab widget */

    QTabWidget * tab = new QTabWidget ();
    #ifdef QT_4_5
       tab->setMovable (true);
    #endif
    // tab->setTabsClosable (true);
    // tab->setUsesScrollButtons (true);
    tab->addTab (view, "view");
    tab->addTab (edit, "edit");
    tab->addTab (table, "table");

    #ifdef UI
    tab->addTab (load_form (), "form");
    tab->addTab (form_builder (), "form builder");
    #endif

    /* info */

    QTextEdit * info = new QTextEdit ();
    QTextCursor cursor (info->document ());
    cursor.insertText ("Hello ");
    info->setTextColor(Qt::red);
    info->append ("red ");
    info->setTextColor(Qt::blue);
    info->append ("blue");
    info->setTextColor(Qt::green);

    /* layout */

    QSplitter * splitter = new QSplitter ();
    splitter->addWidget (tree);
    splitter->addWidget (tab);
    splitter->addWidget (prop);

    QSplitter * center = new QSplitter ();
    center->setOrientation (Qt::Vertical);
    center->addWidget (splitter);
    center->addWidget (info);

    /*
    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget (splitter);
    win->setLayout (layout);
    */

    win->setMenuBar (mainMenu);
    win->addToolBar (toolbar);
    win->setCentralWidget (center);
    win->setStatusBar (statusBar);

    /* actions */

    QAction * quit = new QAction (NULL);
    quit->setText ("&Quit");
    quit->setShortcut (Qt::CTRL + Qt::Key_Q);
    #ifdef QT_4_6
    quit->setIcon (QIcon::fromTheme ("application-exit"));
    #endif
    QObject::connect (quit, SIGNAL(triggered()), win, SLOT(close()));

    QAction * show_info = new QAction (NULL);
    show_info->setText ("info");
    show_info->setCheckable (true);
    show_info->setChecked (true);
    QObject::connect (show_info, SIGNAL(triggered(bool)), info, SLOT(setVisible(bool)));
    // toolbar->addAction (show_info);

    QAction * execute_script = new QAction (NULL);
    execute_script->setText ("execute script");
    execute_script->setShortcut (Qt::CTRL + Qt::Key_R);
    QObject::connect (execute_script, SIGNAL(triggered()), edit, SLOT(execute()));
    #ifndef QT_4_3
    execute_script->setEnabled (false);
    #endif

    /* menu */

    QMenu * fileMenu = mainMenu->addMenu ("&File");
    fileMenu->addAction (quit);

    QMenu * editMenu = mainMenu->addMenu ("&Edit");
    editMenu->addAction (execute_script);

    QMenu * viewMenu = mainMenu->addMenu ("&View");
    viewMenu->addAction (show_info);

    /* toolbar */

    toolbar->addAction (quit);

    QAction * hint = new QAction (NULL);
    #ifdef QT_4_6
       hint->setIcon (QIcon::fromTheme ("window-new"));
    #endif
    toolbar->addAction (hint);

    toolbar->addWidget (palette);

    /* show window */

    win->show ();

    view->example ();

    view->getRoot()->updateConnections ();

    tree->setRoot (view->getRoot ());

    prop->display (view->getRoot ()->getFirstItem ());

    edit->setInfo (info);

    return app.exec();
}