527 lines
20 KiB
C++
527 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "filedialogpanel.h"
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#include "utils.h"
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#include <QGridLayout>
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#include <QVBoxLayout>
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#include <QHBoxLayout>
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#include <QGridLayout>
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#include <QFormLayout>
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#include <QSpacerItem>
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#include <QGroupBox>
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#include <QPushButton>
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#include <QCheckBox>
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#include <QLineEdit>
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#include <QPlainTextEdit>
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#include <QLabel>
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#include <QMessageBox>
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#include <QApplication>
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#include <QUrl>
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#include <QTimer>
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#include <QDebug>
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const FlagData acceptModeComboData[] =
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{
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{"AcceptOpen", QFileDialog::AcceptOpen },
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{"AcceptSave", QFileDialog::AcceptSave }
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};
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const FlagData viewModeComboData[] =
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{
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{"Detail", QFileDialog::Detail},
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{"List", QFileDialog::List}
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};
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const FlagData fileModeComboData[] =
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{
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{"AnyFile", QFileDialog::AnyFile},
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{"ExistingFile", QFileDialog::ExistingFile},
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{"ExistingFiles", QFileDialog::ExistingFiles},
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{"Directory", QFileDialog::Directory},
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{"DirectoryOnly", QFileDialog::DirectoryOnly}
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};
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static inline QPushButton *addButton(const QString &description, QGridLayout *layout,
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int &row, int column, QObject *receiver, const char *slotFunc)
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{
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QPushButton *button = new QPushButton(description);
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QObject::connect(button, SIGNAL(clicked()), receiver, slotFunc);
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layout->addWidget(button, row++, column);
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return button;
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}
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// A line edit for editing the label fields of the dialog, keeping track of whether it has
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// been modified by the user to avoid applying Qt's default texts to native dialogs.
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class LabelLineEdit : public QLineEdit
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{
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Q_OBJECT
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public:
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explicit LabelLineEdit(QFileDialog::DialogLabel label, QWidget *parent = 0) : QLineEdit(parent), m_label(label), m_dirty(false)
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{
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connect(this, SIGNAL(textEdited(QString)), this, SLOT(setDirty()));
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}
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void restoreDefault(const QFileDialog *d)
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{
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setText(d->labelText(m_label));
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m_dirty = false;
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}
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void apply(QFileDialog *d) const
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{
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if (m_dirty)
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d->setLabelText(m_label, text());
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}
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private slots:
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void setDirty() { m_dirty = true; }
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private:
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const QFileDialog::DialogLabel m_label;
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bool m_dirty;
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};
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FileDialogPanel::FileDialogPanel(QWidget *parent)
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: QWidget(parent)
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, m_showDirsOnly(new QCheckBox(tr("Show dirs only")))
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, m_readOnly(new QCheckBox(tr("Read only")))
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, m_confirmOverWrite(new QCheckBox(tr("Confirm overwrite")))
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, m_nameFilterDetailsVisible(new QCheckBox(tr("Name filter details visible")))
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, m_resolveSymLinks(new QCheckBox(tr("Resolve symlinks")))
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, m_native(new QCheckBox(tr("Use native dialog")))
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, m_customDirIcons(new QCheckBox(tr("Don't use custom directory icons")))
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, m_acceptMode(createCombo(this, acceptModeComboData, sizeof(acceptModeComboData)/sizeof(FlagData)))
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, m_fileMode(createCombo(this, fileModeComboData, sizeof(fileModeComboData)/sizeof(FlagData)))
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, m_viewMode(createCombo(this, viewModeComboData, sizeof(viewModeComboData)/sizeof(FlagData)))
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, m_allowedSchemes(new QLineEdit(this))
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, m_defaultSuffix(new QLineEdit(this))
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, m_directory(new QLineEdit(this))
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, m_selectedFileName(new QLineEdit(this))
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, m_useMimeTypeFilters(new QCheckBox(this))
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, m_nameFilters(new QPlainTextEdit)
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, m_selectedNameFilter(new QLineEdit(this))
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, m_deleteNonModalDialogButton(0)
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, m_deleteModalDialogButton(0)
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{
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// Options
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QGroupBox *optionsGroupBox = new QGroupBox(tr("Options"));
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QFormLayout *optionsLayout = new QFormLayout(optionsGroupBox);
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optionsLayout->addRow(tr("AcceptMode:"), m_acceptMode);
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optionsLayout->addRow(tr("FileMode:"), m_fileMode);
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optionsLayout->addRow(tr("ViewMode:"), m_viewMode);
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optionsLayout->addRow(tr("Allowed Schemes:"), m_allowedSchemes);
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optionsLayout->addRow(m_showDirsOnly);
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optionsLayout->addRow(m_native);
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optionsLayout->addRow(m_confirmOverWrite);
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optionsLayout->addRow(m_nameFilterDetailsVisible);
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optionsLayout->addRow(m_resolveSymLinks);
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optionsLayout->addRow(m_readOnly);
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optionsLayout->addRow(m_customDirIcons);
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// Files
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QGroupBox *filesGroupBox = new QGroupBox(tr("Files / Filters"));
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filesLayout = new QFormLayout(filesGroupBox);
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filesLayout->addRow(tr("Default Suffix:"), m_defaultSuffix);
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filesLayout->addRow(tr("Directory:"), m_directory);
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filesLayout->addRow(tr("Selected file:"), m_selectedFileName);
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filesLayout->addRow(tr("Use mime type filters:"), m_useMimeTypeFilters);
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m_nameFilters->setMaximumHeight(80);
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filesLayout->addRow(tr("Name filters:"), m_nameFilters);
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filesLayout->addRow(tr("Selected name filter:"), m_selectedNameFilter);
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// Optional labels
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QGroupBox *labelsGroupBox = new QGroupBox(tr("Labels"));
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QFormLayout *labelsLayout = new QFormLayout(labelsGroupBox);
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m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::LookIn, this));
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labelsLayout->addRow(tr("Look in label:"), m_labelLineEdits.back());
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m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::FileName, this));
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labelsLayout->addRow(tr("File name label:"), m_labelLineEdits.back());
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m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::FileType, this));
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labelsLayout->addRow(tr("File type label:"), m_labelLineEdits.back());
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m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::Accept, this));
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labelsLayout->addRow(tr("Accept label:"), m_labelLineEdits.back());
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m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::Reject, this));
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labelsLayout->addRow(tr("Reject label:"), m_labelLineEdits.back());
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// Buttons
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QGroupBox *buttonsGroupBox = new QGroupBox(tr("Show"));
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QGridLayout *buttonLayout = new QGridLayout(buttonsGroupBox);
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int row = 0;
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int column = 0;
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addButton(tr("Exec modal"), buttonLayout, row, column, this, SLOT(execModal()));
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addButton(tr("Show modal"), buttonLayout, row, column, this, SLOT(showModal()));
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m_deleteModalDialogButton =
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addButton(tr("Delete modal"), buttonLayout, row, column, this, SLOT(deleteModalDialog()));
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addButton(tr("Show non-modal"), buttonLayout, row, column, this, SLOT(showNonModal()));
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m_deleteNonModalDialogButton =
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addButton(tr("Delete non-modal"), buttonLayout, row, column, this, SLOT(deleteNonModalDialog()));
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row = 0;
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column++;
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addButton(tr("getOpenFileName"), buttonLayout, row, column, this, SLOT(getOpenFileName()));
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addButton(tr("getOpenFileUrl"), buttonLayout, row, column, this, SLOT(getOpenFileUrl()));
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addButton(tr("getOpenFileNames"), buttonLayout, row, column, this, SLOT(getOpenFileNames()));
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addButton(tr("getOpenFileUrls"), buttonLayout, row, column, this, SLOT(getOpenFileUrls()));
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addButton(tr("getSaveFileName"), buttonLayout, row, column, this, SLOT(getSaveFileName()));
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addButton(tr("getSaveFileUrl"), buttonLayout, row, column, this, SLOT(getSaveFileUrl()));
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addButton(tr("getExistingDirectory"), buttonLayout, row, column, this, SLOT(getExistingDirectory()));
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addButton(tr("getExistingDirectoryUrl"), buttonLayout, row, column, this, SLOT(getExistingDirectoryUrl()));
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addButton(tr("Restore defaults"), buttonLayout, row, column, this, SLOT(restoreDefaults()));
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// Main layout
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QGridLayout *gridLayout = new QGridLayout(this);
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gridLayout->addWidget(optionsGroupBox, 0, 0);
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gridLayout->addWidget(filesGroupBox, 0, 1);
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gridLayout->addWidget(labelsGroupBox, 1, 0);
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gridLayout->addWidget(buttonsGroupBox, 1, 1);
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connect(m_useMimeTypeFilters, SIGNAL(toggled(bool)), this, SLOT(useMimeTypeFilters(bool)));
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enableDeleteModalDialogButton();
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enableDeleteNonModalDialogButton();
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restoreDefaults();
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}
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void FileDialogPanel::execModal()
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{
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QFileDialog dialog(this);
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applySettings(&dialog);
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connect(&dialog, SIGNAL(accepted()), this, SLOT(accepted()));
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dialog.setWindowTitle(tr("Modal File Dialog Qt %1").arg(QLatin1String(QT_VERSION_STR)));
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dialog.exec();
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}
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void FileDialogPanel::showModal()
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{
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if (m_modalDialog.isNull()) {
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static int n = 0;
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m_modalDialog = new QFileDialog(this);
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m_modalDialog->setModal(true);
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connect(m_modalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
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m_modalDialog->setWindowTitle(tr("Modal File Dialog #%1 Qt %2")
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.arg(++n)
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.arg(QLatin1String(QT_VERSION_STR)));
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enableDeleteModalDialogButton();
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}
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applySettings(m_modalDialog);
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m_modalDialog->show();
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}
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void FileDialogPanel::showNonModal()
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{
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if (m_nonModalDialog.isNull()) {
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static int n = 0;
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m_nonModalDialog = new QFileDialog(this);
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connect(m_nonModalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
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m_nonModalDialog->setWindowTitle(tr("Non-Modal File Dialog #%1 Qt %2")
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.arg(++n)
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.arg(QLatin1String(QT_VERSION_STR)));
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enableDeleteNonModalDialogButton();
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}
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applySettings(m_nonModalDialog);
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m_nonModalDialog->show();
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}
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void FileDialogPanel::deleteNonModalDialog()
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{
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if (!m_nonModalDialog.isNull())
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delete m_nonModalDialog;
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enableDeleteNonModalDialogButton();
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}
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void FileDialogPanel::deleteModalDialog()
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{
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if (!m_modalDialog.isNull())
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delete m_modalDialog;
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enableDeleteModalDialogButton();
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}
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void FileDialogPanel::enableDeleteNonModalDialogButton()
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{
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m_deleteNonModalDialogButton->setEnabled(!m_nonModalDialog.isNull());
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}
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void FileDialogPanel::enableDeleteModalDialogButton()
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{
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m_deleteModalDialogButton->setEnabled(!m_modalDialog.isNull());
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}
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QString FileDialogPanel::filterString() const
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{
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return m_nameFilters->toPlainText().trimmed().replace(QLatin1String("\n"), QLatin1String(";;"));
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}
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QUrl FileDialogPanel::currentDirectoryUrl() const
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{
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return QUrl::fromUserInput(m_directory->text().trimmed());
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}
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QFileDialog::Options FileDialogPanel::options() const
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{
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QFileDialog::Options result;
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if (m_showDirsOnly->isChecked())
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result |= QFileDialog::ShowDirsOnly;
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if (!m_nameFilterDetailsVisible->isChecked())
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result |= QFileDialog::HideNameFilterDetails;
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if (!m_resolveSymLinks->isChecked())
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result |= QFileDialog::DontResolveSymlinks;
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if (m_readOnly->isChecked())
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result |= QFileDialog::ReadOnly;
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if (!m_confirmOverWrite->isChecked())
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result |= QFileDialog::DontConfirmOverwrite;
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if (!m_native->isChecked())
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result |= QFileDialog::DontUseNativeDialog;
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if (m_customDirIcons->isChecked())
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result |= QFileDialog::DontUseCustomDirectoryIcons;
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return result;
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}
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QStringList FileDialogPanel::allowedSchemes() const
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{
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return m_allowedSchemes->text().simplified().split(' ', QString::SkipEmptyParts);
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}
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void FileDialogPanel::getOpenFileNames()
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{
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QStringList files =
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QFileDialog::getOpenFileNames(this, tr("getOpenFileNames Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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m_directory->text(), filterString(), &selectedFilter, options());
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if (!files.isEmpty()) {
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QString result;
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QDebug(&result).nospace()
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<< "Files: " << files
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getOpenFileNames"), result, QMessageBox::Ok);
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}
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}
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void FileDialogPanel::getOpenFileUrls()
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{
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#if QT_VERSION >= 0x050000
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QList<QUrl> files =
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QFileDialog::getOpenFileUrls(this, tr("getOpenFileNames Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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currentDirectoryUrl(), filterString(), &selectedFilter, options(),
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allowedSchemes());
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if (!files.isEmpty()) {
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QString result;
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QDebug(&result).nospace()
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<< "Files: " << QUrl::toStringList(files)
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getOpenFileNames"), result, QMessageBox::Ok);
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}
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#endif // Qt 5
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}
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void FileDialogPanel::getOpenFileName()
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{
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QString file =
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QFileDialog::getOpenFileName(this, tr("getOpenFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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m_directory->text(), filterString(), &selectedFilter, options());
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if (!file.isEmpty()) {
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QString result;
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QDebug(&result).nospace()
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<< "File: " << file
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getOpenFileName"), result, QMessageBox::Ok);
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}
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}
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void FileDialogPanel::getOpenFileUrl()
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{
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#if QT_VERSION >= 0x050000
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QUrl file =
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QFileDialog::getOpenFileUrl(this, tr("getOpenFileUrl Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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currentDirectoryUrl(), filterString(), &selectedFilter, options(),
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allowedSchemes());
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if (file.isValid()) {
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QString result;
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QDebug(&result).nospace()
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<< "File: " << file.toString()
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getOpenFileName"), result, QMessageBox::Ok);
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}
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#endif // Qt 5
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}
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void FileDialogPanel::getSaveFileName()
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{
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QString file =
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QFileDialog::getSaveFileName(this, tr("getSaveFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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m_directory->text(), filterString(), &selectedFilter, options());
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if (!file.isEmpty()) {
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QString result;
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QDebug(&result).nospace()
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<< "File: " << file
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getSaveFileNames"), result, QMessageBox::Ok);
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}
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}
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void FileDialogPanel::getSaveFileUrl()
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{
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#if QT_VERSION >= 0x050000
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QString selectedFilter = m_selectedNameFilter->text().trimmed();
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const QUrl file =
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QFileDialog::getSaveFileUrl(this, tr("getSaveFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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currentDirectoryUrl(), filterString(), &selectedFilter, options(),
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allowedSchemes());
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if (file.isValid()) {
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QString result;
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QDebug(&result).nospace()
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<< "File: " << file.toString()
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<< "\nName filter: " << selectedFilter;
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QMessageBox::information(this, tr("getSaveFileNames"), result, QMessageBox::Ok);
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}
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#endif // Qt 5
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}
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void FileDialogPanel::getExistingDirectory()
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{
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const QString dir =
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QFileDialog::getExistingDirectory(this, tr("getExistingDirectory Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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m_directory->text(), options() | QFileDialog::ShowDirsOnly);
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if (!dir.isEmpty())
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QMessageBox::information(this, tr("getExistingDirectory"), QLatin1String("Directory: ") + dir, QMessageBox::Ok);
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}
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void FileDialogPanel::getExistingDirectoryUrl()
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{
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#if QT_VERSION >= 0x050000
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const QUrl dir =
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QFileDialog::getExistingDirectoryUrl(this, tr("getExistingDirectory Qt %1").arg(QLatin1String(QT_VERSION_STR)),
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currentDirectoryUrl(), options() | QFileDialog::ShowDirsOnly,
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allowedSchemes());
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if (!dir.isEmpty())
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QMessageBox::information(this, tr("getExistingDirectory"), QLatin1String("Directory: ") + dir.toString(), QMessageBox::Ok);
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#endif // Qt 5
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}
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void FileDialogPanel::restoreDefaults()
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{
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QFileDialog d;
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setComboBoxValue(m_acceptMode, d.acceptMode());
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setComboBoxValue(m_fileMode, d.fileMode());
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setComboBoxValue(m_viewMode, d.viewMode());
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m_showDirsOnly->setChecked(d.testOption(QFileDialog::ShowDirsOnly));
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m_allowedSchemes->setText(QString());
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m_confirmOverWrite->setChecked(!d.testOption(QFileDialog::DontConfirmOverwrite));
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m_nameFilterDetailsVisible->setChecked(!d.testOption(QFileDialog::HideNameFilterDetails));
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m_resolveSymLinks->setChecked(!d.testOption(QFileDialog::DontResolveSymlinks));
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m_readOnly->setChecked(d.isReadOnly());
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m_native->setChecked(true);
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m_customDirIcons->setChecked(d.testOption(QFileDialog::DontUseCustomDirectoryIcons));
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m_directory->setText(QDir::homePath());
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m_defaultSuffix->setText(QLatin1String("txt"));
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m_useMimeTypeFilters->setChecked(false);
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useMimeTypeFilters(false);
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m_selectedFileName->setText(QString());
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m_selectedNameFilter->setText(QString());
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foreach (LabelLineEdit *l, m_labelLineEdits)
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l->restoreDefault(&d);
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}
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void FileDialogPanel::applySettings(QFileDialog *d) const
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{
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d->setAcceptMode(comboBoxValue<QFileDialog::AcceptMode>(m_acceptMode));
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d->setViewMode(comboBoxValue<QFileDialog::ViewMode>(m_viewMode));
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d->setFileMode(comboBoxValue<QFileDialog::FileMode>(m_fileMode));
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d->setOptions(options());
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d->setDefaultSuffix(m_defaultSuffix->text().trimmed());
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const QString directory = m_directory->text().trimmed();
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if (!directory.isEmpty())
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d->setDirectory(directory);
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const QString file = m_selectedFileName->text().trimmed();
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if (!file.isEmpty())
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d->selectFile(file);
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const QString filter = m_selectedNameFilter->text().trimmed();
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const QStringList filters = m_nameFilters->toPlainText().trimmed().split(QLatin1Char('\n'), QString::SkipEmptyParts);
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if (!m_useMimeTypeFilters->isChecked()) {
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d->setNameFilters(filters);
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if (!filter.isEmpty())
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d->selectNameFilter(filter);
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} else {
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#if QT_VERSION >= 0x050000
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d->setMimeTypeFilters(filters);
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if (!filter.isEmpty())
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d->selectMimeTypeFilter(filter);
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#endif // Qt 5
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}
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foreach (LabelLineEdit *l, m_labelLineEdits)
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l->apply(d);
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}
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void FileDialogPanel::useMimeTypeFilters(bool b)
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{
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QWidget *textEdit = filesLayout->labelForField(m_nameFilters);
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if (QLabel *label = qobject_cast<QLabel *>(textEdit))
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label->setText(b ? tr("Mime type filters:") : tr("Name filters:"));
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QWidget *w = filesLayout->labelForField(m_selectedNameFilter);
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if (QLabel *label = qobject_cast<QLabel *>(w))
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label->setText(b ? tr("Selected mime type filter:") : tr("Selected name filter:"));
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if (b)
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m_nameFilters->setPlainText(QLatin1String("image/jpeg\nimage/png\ntext/plain\napplication/octet-stream"));
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else
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m_nameFilters->setPlainText(QLatin1String("Any files (*)\nImage files (*.png *.xpm *.jpg)\nText files (*.txt)"));
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}
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void FileDialogPanel::accepted()
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{
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const QFileDialog *d = qobject_cast<const QFileDialog *>(sender());
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Q_ASSERT(d);
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m_result.clear();
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QDebug(&m_result).nospace()
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#if QT_VERSION >= 0x050000
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<< "URLs: " << d->selectedUrls() << '\n'
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#endif
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<< "Files: " << d->selectedFiles()
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<< "\nDirectory: "
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#if QT_VERSION >= 0x050000
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<< d->directoryUrl() << ", "
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#endif
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<< d->directory().absolutePath()
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<< "\nName filter: " << d->selectedNameFilter();
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QTimer::singleShot(0, this, SLOT(showAcceptedResult())); // Avoid problems with the closing (modal) dialog as parent.
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}
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void FileDialogPanel::showAcceptedResult()
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{
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QMessageBox::information(this, tr("File Dialog Accepted"), m_result, QMessageBox::Ok);
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}
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#include "filedialogpanel.moc"
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