textedit.cpp Example File

simpletextviewer/textedit.cpp

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  #include "textedit.h"

  #include <QFile>
  #include <QFileInfo>

  TextEdit::TextEdit(QWidget *parent)
      : QTextEdit(parent)
  {
      setReadOnly(true);
  }

  void TextEdit::setContents(const QString &fileName)
  {
      QFileInfo fi(fileName);
      srcUrl = QUrl::fromLocalFile(fi.absoluteFilePath());
      QFile file(fileName);
      if (file.open(QIODevice::ReadOnly)) {
          QString data(file.readAll());
          if (fileName.endsWith(".html"))
              setHtml(data);
          else
              setPlainText(data);
      }
  }

  QVariant TextEdit::loadResource(int type, const QUrl &name)
  {
      if (type == QTextDocument::ImageResource) {
          QFile file(srcUrl.resolved(name).toLocalFile());
          if (file.open(QIODevice::ReadOnly))
              return file.readAll();
      }
      return QTextEdit::loadResource(type, name);
  }