#include "sqlview.h"
#include "sqlitesyntaxhighlighter.h"
#include "uiconfig.h"

SqlView::SqlView(QWidget *parent) :
 QTextEdit(parent)
{
 highlighter = new SqliteSyntaxHighlighter(this->document());
 setFont(CFG_UI.Fonts.SqlEditor.get());
 connect(CFG_UI.Fonts.SqlEditor, SIGNAL(changed(QVariant)), this, SLOT(changeFont(QVariant)));
 setReadOnly(true);
}

void SqlView::setSqliteVersion(int version)
{
 highlighter->setSqliteVersion(version);
}

void SqlView::setTextBackgroundColor(int from, int to, const QColor& color)
{
 bool wasRo = false;
 if (isReadOnly())
 {
 wasRo = true;
 setReadOnly(false);
 }

 QTextCharFormat format;
 format.setBackground(color);

 QTextCursor cur(document());
 cur.setPosition(from);
 cur.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, to - from + 1);
 cur.mergeCharFormat(format);

 if (wasRo)
 setReadOnly(true);
}

void SqlView::changeFont(const QVariant &font)
{
 setFont(font.value<QFont>());
}