214 lines
6.9 KiB
C++
214 lines
6.9 KiB
C++
/* uat_delegate.cpp
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* Delegates for editing various field types in a UAT record.
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*
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* Copyright 2016 Peter Wu <peter@lekensteyn.nl>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <ui/qt/models/uat_delegate.h>
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#include "epan/value_string.h"
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#include <wsutil/ws_assert.h>
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#include <QRegularExpression>
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#include <QComboBox>
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#include <QEvent>
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#include <QFileDialog>
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#include <QLineEdit>
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#include <QCheckBox>
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#include <QColorDialog>
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#include <ui/qt/widgets/display_filter_edit.h>
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#include <ui/qt/widgets/field_filter_edit.h>
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#include <ui/qt/widgets/editor_file_dialog.h>
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#include <ui/qt/widgets/path_selection_edit.h>
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// The Qt docs suggest overriding updateEditorGeometry, but the
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// defaults seem sane.
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UatDelegate::UatDelegate(QObject *parent) : QStyledItemDelegate(parent)
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{
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}
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uat_field_t *UatDelegate::indexToField(const QModelIndex &index) const
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{
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const QVariant v = index.model()->data(index, Qt::UserRole);
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return static_cast<uat_field_t *>(v.value<void *>());
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}
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QWidget *UatDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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uat_field_t *field = indexToField(index);
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QWidget *editor = nullptr;
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switch (field->mode) {
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case PT_TXTMOD_DIRECTORYNAME:
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case PT_TXTMOD_FILENAME:
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if (index.isValid()) {
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QString filename_old = index.model()->data(index, Qt::EditRole).toString();
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PathSelectionEdit * pathEdit = new PathSelectionEdit(field->title, QString(), field->mode != PT_TXTMOD_DIRECTORYNAME, parent);
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connect(pathEdit, &PathSelectionEdit::pathChanged, this, &UatDelegate::pathHasChanged);
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return pathEdit;
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}
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break;
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case PT_TXTMOD_COLOR:
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if (index.isValid()) {
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QColor color(index.model()->data(index, Qt::DecorationRole).toString());
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QColorDialog * colorDialog = new QColorDialog(color, parent);
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// Don't fall through and set setAutoFillBackground(true)
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return colorDialog;
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}
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break;
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case PT_TXTMOD_ENUM:
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{
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// Note: the string repr. is written, not the integer value.
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QComboBox *cb_editor = new QComboBox(parent);
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const value_string *enum_vals = (const value_string *)field->fld_data;
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for (int i = 0; enum_vals[i].strptr != nullptr; i++) {
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cb_editor->addItem(enum_vals[i].strptr);
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}
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editor = cb_editor;
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cb_editor->setMinimumWidth(cb_editor->minimumSizeHint().width());
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break;
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}
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case PT_TXTMOD_STRING:
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// TODO add a live validator? Should SyntaxLineEdit be used?
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editor = QStyledItemDelegate::createEditor(parent, option, index);
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break;
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case PT_TXTMOD_DISPLAY_FILTER:
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editor = new DisplayFilterEdit(parent);
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break;
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case PT_TXTMOD_PROTO_FIELD:
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editor = new FieldFilterEdit(parent);
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break;
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case PT_TXTMOD_HEXBYTES:
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{
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// Requires input of the form "ab cd ef" (with possibly no or a colon
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// separator instead of a single whitespace) for the editor to accept.
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QRegularExpression hexbytes_regex("([0-9a-f]{2}[ :]?)*");
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hexbytes_regex.setPatternOptions(QRegularExpression::CaseInsensitiveOption);
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// QString types from QStyledItemDelegate are documented to return a
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// QLineEdit. Note that Qt returns a subclass from QLineEdit which
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// automatically adapts the width to the typed contents.
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QLineEdit *le_editor = static_cast<QLineEdit *>(
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QStyledItemDelegate::createEditor(parent, option, index));
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le_editor->setValidator(new QRegularExpressionValidator(hexbytes_regex, le_editor));
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editor = le_editor;
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break;
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}
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case PT_TXTMOD_BOOL:
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// model will handle creating checkbox
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break;
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case PT_TXTMOD_NONE:
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break;
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default:
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ws_assert_not_reached();
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break;
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}
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if (editor) {
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editor->setAutoFillBackground(true);
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}
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return editor;
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}
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void UatDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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{
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uat_field_t *field = indexToField(index);
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switch (field->mode) {
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case PT_TXTMOD_DIRECTORYNAME:
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case PT_TXTMOD_FILENAME:
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if (index.isValid() && qobject_cast<PathSelectionEdit *>(editor))
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qobject_cast<PathSelectionEdit *>(editor)->setPath(index.model()->data(index, Qt::EditRole).toString());
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break;
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case PT_TXTMOD_ENUM:
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{
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QComboBox *combobox = static_cast<QComboBox *>(editor);
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const QString &data = index.model()->data(index, Qt::EditRole).toString();
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combobox->setCurrentText(data);
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break;
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}
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case PT_TXTMOD_COLOR:
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{
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if (qobject_cast<QColorDialog *>(editor))
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{
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QColor color(index.model()->data(index, Qt::DecorationRole).toString());
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qobject_cast<QColorDialog *>(editor)->setCurrentColor(color);
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}
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break;
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}
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default:
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QStyledItemDelegate::setEditorData(editor, index);
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}
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}
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void UatDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
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const QModelIndex &index) const
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{
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uat_field_t *field = indexToField(index);
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switch (field->mode) {
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case PT_TXTMOD_DIRECTORYNAME:
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case PT_TXTMOD_FILENAME:
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if (index.isValid() && qobject_cast<PathSelectionEdit *>(editor))
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const_cast<QAbstractItemModel *>(index.model())->setData(index, qobject_cast<PathSelectionEdit *>(editor)->path(), Qt::EditRole);
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break;
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case PT_TXTMOD_ENUM:
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{
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QComboBox *combobox = static_cast<QComboBox *>(editor);
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const QString &data = combobox->currentText();
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model->setData(index, data, Qt::EditRole);
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break;
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}
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case PT_TXTMOD_COLOR:
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//do nothing, dialog signals will update table
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if (qobject_cast<QColorDialog *>(editor))
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{
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QColor newColor = qobject_cast<QColorDialog *>(editor)->currentColor();
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const_cast<QAbstractItemModel *>(index.model())->setData(index, newColor.name(), Qt::EditRole);
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}
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break;
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default:
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QStyledItemDelegate::setModelData(editor, model, index);
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}
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}
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void UatDelegate::updateEditorGeometry(QWidget *editor,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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uat_field_t *field = indexToField(index);
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switch (field->mode) {
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case PT_TXTMOD_DIRECTORYNAME:
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case PT_TXTMOD_FILENAME:
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editor->setGeometry(option.rect);
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break;
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default:
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QStyledItemDelegate::updateEditorGeometry(editor, option, index);
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}
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}
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void UatDelegate::pathHasChanged(QString)
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{
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PathSelectionEdit * editor = qobject_cast<PathSelectionEdit *>(sender());
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if (editor)
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emit commitData(editor);
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}
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