Implemented helper method of QFileDialog::getSaveFileName to prevent user from saving files with invalid names.
Signed-off-by: Chris Galvan <chgalvan@amazon.com>monroegm-disable-blank-issue-2
Chris Galvan
4 years ago
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9e5ef08229
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d590a91fe7
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/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <AzQtComponents/Components/Widgets/FileDialog.h>
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#include <QMessageBox>
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#include <QRegExp>
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namespace AzQtComponents
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{
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QString FileDialog::GetSaveFileName(QWidget* parent, const QString& caption, const QString& dir,
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const QString& filter, QString* selectedFilter, QFileDialog::Options options)
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{
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bool shouldPromptAgain = false;
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QString filePath;
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do
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{
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// Trigger Qt's save filename dialog
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// If filePath isn't empty, it means we are prompting again because the filename was invalid,
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// so pass it instead of the directory so the filename is pre-filled in for the user
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filePath = QFileDialog::getSaveFileName(parent, caption, (filePath.isEmpty()) ? dir : filePath, filter, selectedFilter, options);
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if (!filePath.isEmpty())
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{
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QFileInfo fileInfo(filePath);
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QString fileName = fileInfo.fileName();
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// Check if the filename has any invalid characters
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QRegExp validFileNameRegex("^[a-zA-Z0-9_\\-./]*$");
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shouldPromptAgain = !validFileNameRegex.exactMatch(fileName);
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// If the filename had invalid characters, then show a warning message and then we will re-prompt the save filename dialog
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if (shouldPromptAgain)
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{
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QMessageBox::warning(parent, QObject::tr("Invalid filename"), QObject::tr("The filename contains invalid characters\n\n%1").arg(fileName));
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}
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}
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else
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{
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// If the filePath is empty, then the user cancelled the dialog so we don't need to prompt again
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shouldPromptAgain = false;
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}
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} while (shouldPromptAgain);
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return filePath;
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}
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} // namespace AzQtComponents
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@ -0,0 +1,29 @@
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/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <AzQtComponents/AzQtComponentsAPI.h>
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#if !defined(Q_MOC_RUN)
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#include <QFileDialog>
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#endif
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namespace AzQtComponents
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{
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class AZ_QT_COMPONENTS_API FileDialog
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{
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public:
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//! Helper method that extends QFileDialog::getSaveFileName to prevent the user from
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//! saving a filename with invalid characters (e.g. AP doesn't allow @ characters because they are used for aliases)
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static QString GetSaveFileName(QWidget* parent = nullptr, const QString& caption = QString(),
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const QString& dir = QString(), const QString& filter = QString(),
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QString* selectedFilter = nullptr, QFileDialog::Options options = QFileDialog::Options());
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};
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} // namespace AzQtComponents
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