/*
* Alabastra Project - C++ Editor writed with QT Library V.4 
* Copyright (C) Igor Maculan - geocronos@gmail.com
			Marco Buoncristiano - marco.buoncristiano@gmail.com
   
* This program 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.
*  
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#include "AlListWidget.h"
#include "AlTextEdit.h"
#include "AlMethod.h"
#include <QDebug>
#include <QVariant>
#include <QMenu>
#include <QAction>
#include <QList>

AlListWidget::AlListWidget(QWidget *parent) : QListWidget(parent){
	setContextMenuPolicy(Qt::CustomContextMenu);
	connect(this,SIGNAL(customContextMenuRequested(const QPoint&)),this,SLOT(showMenu(const QPoint&)));
};

/*
* Restituisce il QListWidgetItem avendo come parametro di ingresso il documento che rappresenta
*/
QListWidgetItem* AlListWidget::getItem(AlDocument *doc){
	QListWidgetItem *it=NULL;
	AlTextEdit *edt;
	int i=0;
	bool found=false;
	QVariant d;
	while (!found && i<count()){
		d=item(i)->data(101);
		edt=(AlTextEdit*)d.value<void*>();	
		if ( edt->getAlDocument() == doc ){
			found=true;
			it=item(i);
		}
		i++;
	}
	return it;
};

/**
*Restituisce il documento relativo al'item della lista passatogli come argomento
*/
AlTextEdit* AlListWidget::getEditor(QListWidgetItem *lit)
{
	QVariant d=lit->data(101);
	AlTextEdit *edt;
	edt=(AlTextEdit*)d.value<void*>();
	return edt;
};

/*
* Restituisce l'attuale documento
*/
AlTextEdit* AlListWidget::getEditor()
{
	return getEditor(currentItem());
};

/*
* Menu Contestuale
*/
void AlListWidget::showMenu(const QPoint &pos){
	if (this->count()>0){
		QMenu *menu=new QMenu(this);
		AlDocument *doc = getEditor()->getAlDocument();
		if (doc->getExtension()=="h"){
			QMenu *mnMentods = menu->addMenu(tr("Metodi"));
			QList<AlMethod*> methods = doc->getAlMethodList();
			QMenu *mnMethodSingle;
			AlActionMethod *act;
			for (int i=0;i<methods.size();i++){
				QString strMethod=QString("%1 %2").arg(methods.at(i)->getReturnName()).arg(methods.at(i)->getName());
				mnMethodSingle = mnMentods->addMenu(strMethod.simplified());
				act=new AlActionMethod(this);
				act->setText(tr("Implementa"));
				act->setAlMethod(methods.at(i));
				connect (act,SIGNAL(triggered()),this,SLOT(implementsMethod()));
				mnMethodSingle->addAction((QAction*)act);
			}
		}
		menu->popup(mapToGlobal(pos));
	}
};

void AlListWidget::implementsMethod(){
	AlActionMethod *act = (AlActionMethod*) sender();
	emit methodImplement(act->getAlMethod()->getImplementation());
};