#include "simplescripteditor.h"

#include <QFileDialog>

#include <QMessageBox>

#include <QTextStream>

extern QString vymName;

SimpleScriptEditor::SimpleScriptEditor (QWidget *parent):QDialog(parent)

{

	ui.setupUi (this);

	connect ( ui.openButton, SIGNAL (clicked() ), this, SLOT (openClicked() ));

	connect ( ui.saveButton, SIGNAL (clicked() ), this, SLOT (saveClicked() ));

	connect ( ui.saveAsButton, SIGNAL (clicked() ), this, SLOT (saveAsClicked() ));

	connect ( ui.runButton,  SIGNAL (clicked() ), this, SLOT (runClicked() ));

	// Initialize Editor

	QFont font;

	font.setFamily("Courier");

	font.setFixedPitch(true);

	font.setPointSize(12);

	ui.editor->setFont(font);

	highlighter = new Highlighter(ui.editor->document());

}

void SimpleScriptEditor::saveScript()

{

	QFile f( filename );

	if ( !f.open( QIODevice::WriteOnly ) ) 

	{

		return;

	}

	QTextStream t( &f );

	t << ui.editor->text();

	f.close();

}

void SimpleScriptEditor::setScript(const QString &s)

{

	ui.editor->setText(s);

}

void SimpleScriptEditor::saveClicked()

{

	if (filename.isEmpty() )

		saveAsClicked();

	else

		saveScript();

}

void SimpleScriptEditor::saveAsClicked()

{

	QString fn = QFileDialog::getSaveFileName( 

		this, 

		QString (vymName + " - " +tr("Save script")),

		QString (),

		"VYM script (HTML) (*.vys);;All files (*)",

		0,

		QFileDialog::DontConfirmOverwrite);

    if ( !fn.isEmpty() ) 

	{

		QFile file (fn);

		if (file.exists())

		{

			QMessageBox mb( vymName,

				tr("The file %1\nexists already.\nDo you want to overwrite it?","dialog 'save as'").arg(fn),

			QMessageBox::Warning,

			QMessageBox::Yes | QMessageBox::Default,

			QMessageBox::Cancel | QMessageBox::Escape,

			Qt::NoButton );

			mb.setButtonText( QMessageBox::Yes, tr("Overwrite") );

			mb.setButtonText( QMessageBox::No, tr("Cancel"));

			switch( mb.exec() ) 

			{

				case QMessageBox::Yes:

					// save 

					filename = fn;

					saveScript();

					return;

				case QMessageBox::Cancel:

					// do nothing

					return;

			}

		} 

		filename=fn;

		saveScript();

    }

}

void SimpleScriptEditor::openClicked()

{

	QFileDialog *fd=new QFileDialog( this);

	QStringList types;

	types<< "VYM scripts (*.vys)" <<

	        "All         (*)" ;

	fd->setFilters (types);

	fd->setDirectory (QDir().current());

	fd->setCaption (vymName + " - " + tr("Load script"));

	fd->show();

	if ( fd->exec() == QDialog::Accepted )

		filename = fd->selectedFile();

	if ( !filename.isEmpty() )

	{

		QFile f( filename );

		if ( !f.open( QIODevice::ReadOnly ) )

		{

			QMessageBox::warning(0, 

				tr("Error"),

				tr("Couldn't open %1.\n").arg(filename));

			return;

		}	

		QTextStream ts( &f );

		ui.editor->setText( ts.read() );

		f.close();

	}

}

void SimpleScriptEditor::runClicked()

{

	emit runScript (ui.editor->text() );

}