#include "customtextedit.h"
#include <QTextEdit>

CustomTextEdit::CustomTextEdit(QObject *parent) : QTextEdit((QWidget*)parent)
{
    maxLength = 0;
    connect(this,SIGNAL(textChanged()),this,SLOT(truncateText()));
}

void CustomTextEdit::setMaxLength(int length)
{
    maxLength = length;
    QString curText = toPlainText();
    if ((maxLength > 0) && (curText.length() > maxLength))
    {
        curText = curText.left(maxLength);
        setPlainText(curText);
    }
}

int CustomTextEdit::getMaxLength()
{
    return maxLength;
}

void CustomTextEdit::truncateText()
{
    if(maxLength > 0)
    {
        QString curText = this->toPlainText();
        if(curText.length() > maxLength)
        {
            this->setText(curText.left(maxLength));
            this->moveCursor(QTextCursor::End);
        }
    }
}