33 lines
1.0 KiB
C++
33 lines
1.0 KiB
C++
#include "appendcommand.h"
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AppendCommand::AppendCommand(QHexDocument *doc, QHexCursor *cursor,
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const QByteArray &data, int nibbleindex,
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QUndoCommand *parent)
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: HexCommand(doc, cursor, nibbleindex, parent) {
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m_offset = -1;
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m_data = data;
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m_length = data.length();
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}
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void AppendCommand::undo() {
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auto offset = m_doc->length() - m_length;
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m_doc->_remove(offset, m_length);
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m_doc->insertBookMarkAdjustRevert(offset, m_length);
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m_doc->metadata()->insertAdjustRevert(offset, m_length);
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m_cursor->setPos(offset, m_nibbleindex);
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HexCommand::undo();
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}
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void AppendCommand::redo() {
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auto offset = m_doc->length();
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m_doc->_insert(offset, m_data);
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m_doc->insertBookMarkAdjust(offset, m_length);
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m_doc->metadata()->insertAdjust(offset, m_length);
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if (m_data.length() == 1 && m_nibbleindex) {
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m_cursor->setPos(offset, 0);
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} else {
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m_cursor->setPos(offset + m_length, m_nibbleindex);
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}
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HexCommand::redo();
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}
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