/*
 * console.cpp
 *
 *  Created on: Jan 31, 2012
 *      Author: joe
 */

#include "console.h"

Console::Console(QMainWindow* parent) :
		QTextEdit(parent) {

	setWindowFlags(Qt::FramelessWindowHint);

	// fanciness
	QPalette pal;
	pal.setColor(QPalette::Base, Qt::black);
	setPalette(pal);
	setTextColor(Qt::white);

	// CTRL + D  toggles debug window
	QAction* _toggle = new QAction(tr("&toggleDebug"), parentWidget());
	_toggle->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_D));
	parentWidget()->addAction(_toggle);
	connect(_toggle, SIGNAL(triggered()), this, SLOT(toggle()));

	// watcher to detect file change
	QFileSystemWatcher* _watcher = new QFileSystemWatcher(this);
	// read from log file
	_logFile = new QFile(logFilePath);
	_logFileIn = new QTextStream(_logFile);

	if (!_logFile->open(QFile::ReadOnly | QFile::Text)) {
	} else {
		// watch log file
		_watcher->addPath(logFilePath);
		connect(_watcher, SIGNAL(fileChanged(const QString&)), this,
				SLOT(refresh(const QString&)));
	}
}

Console::~Console() {
	delete _logFile;
	delete _logFileIn;
}

void Console::refresh(const QString& fileName) {
	if (fileName == logFilePath) {
		while (!_logFileIn->atEnd()) {
			QString line = _logFileIn->readLine();
			if (!line.isEmpty())
				this->append(line);
		}
		this->moveCursor(QTextCursor::End);
	}
}

void Console::toggle() {
	(this->isVisible()) ? this->hide() : this->show();
}