/* trace.cc */

#include "trace.h"

#include <QTreeWidget>
#include <QHeaderView>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>

#include <klocale.h>
#include <kiconloader.h>

#include <interfaces/iuicontroller.h>

namespace ConnectModule {

/* ----------------------------------------------------------------------- */

class TraceWidget : public QWidget
{
   public:
      TraceWidget (QWidget* parent);
      virtual ~TraceWidget ();

      QTreeWidgetItem * show (QTreeWidgetItem * branch, QString text);

   private:
      QTreeWidget * m_tree;
};

/* ----------------------------------------------------------------------- */

class TraceFactory: public KDevelop::IToolViewFactory
{
   public:
      virtual QWidget* create (QWidget *parent = 0)
      {
          m_widget = new TraceWidget (parent);
          return m_widget;
      }

      virtual Qt::DockWidgetArea defaultPosition ()
      {
          return Qt::BottomDockWidgetArea;
      }

      virtual QString id () const
      {
          return "org.kdevelop.Connect.Trace";
      }

   private:
      TraceWidget * m_widget;

   public:
      TraceFactory () : m_widget (NULL) { }
};

/* ----------------------------------------------------------------------- */

static TraceWidget * g_trace  = NULL;
static QTreeWidgetItem * g_current = NULL;

/* ----------------------------------------------------------------------- */

TraceWidget::TraceWidget(QWidget* parent) :
   QWidget (parent),
   m_tree (NULL)
{
   setObjectName("ConnectTrace");
   setWindowTitle(i18n("Connect Trace"));
   setWindowIcon(SmallIcon("enum"));

   m_tree = new QTreeWidget (this);
   m_tree->header()->setResizeMode(0, QHeaderView::ResizeToContents);
   // m_tree->header()->setStretchLastSection(false);

   QVBoxLayout* vbox = new QVBoxLayout(this);
   vbox->setMargin(0);

   vbox->addWidget(m_tree);
   setLayout( vbox );

   setWhatsThis( i18n( "Trace" ) );

   g_trace = this;
   g_current = NULL;

   #if 0
   trace_open ("branch");
   trace ("sub item");
   trace_close ();
   trace ("next item");
   trace_alert ("alert");
   #endif
}

TraceWidget::~TraceWidget()
{
   g_trace = NULL;
   g_current = NULL;
}

/* ----------------------------------------------------------------------- */

QTreeWidgetItem * TraceWidget::show (QTreeWidgetItem * branch, QString text)
{
   QTreeWidgetItem * item;
   if (branch == NULL)
   {
      item = new QTreeWidgetItem ();
      m_tree->addTopLevelItem (item);
   }
   else
   {
      item = new QTreeWidgetItem (branch);
   }

   item->setText (0, text);

   return item;
}

/* ----------------------------------------------------------------------- */

void trace_open (QString text)
{
   if (g_trace != NULL)
      g_current = g_trace->show (g_current, text);
}

void trace_close ()
{
   if (g_current != NULL)
      g_current = g_current->parent ();
}

void trace (QString text)
{
   if (g_trace != NULL)
      g_trace->show (g_current, text);
}

/* ----------------------------------------------------------------------- */

void trace_restart (QString text)
{
   g_current = NULL;
   trace_open (text);
}

void trace_top (QString text)
{
   if (g_trace != NULL)
      g_trace->show (NULL, text);
}

/* ----------------------------------------------------------------------- */

KDevelop::IToolViewFactory * new_trace_factory ()
{
   return new TraceFactory ();
}

/* ----------------------------------------------------------------------- */

} // end of namesopace