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# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
from PySide6.QtMultimedia import QMediaMetaData
from PySide6.QtWidgets import (QDialog, QDialogButtonBox, QFileDialog,
QFormLayout, QHBoxLayout, QLineEdit,
QPushButton, QScrollArea, QVBoxLayout, QWidget)
from PySide6.QtCore import QDateTime, QDir, Slot
IMAGE_FILTER = "Image Files (*.png *.jpg *.bmp)"
def default_value(key):
if key == QMediaMetaData.Key.Title:
return "Qt Camera Example"
if key == QMediaMetaData.Key.Author:
return "The Qt Company"
if key == QMediaMetaData.Key.Date:
return QDateTime.currentDateTime().toString()
return ""
class MetaDataDialog(QDialog):
def __init__(self, parent=None):
super().__init__(parent)
self.m_metaDataFields = []
meta_data_layout = QFormLayout()
for i in range(0, QMediaMetaData.NumMetaData):
key = QMediaMetaData.Key(i)
label = QMediaMetaData.metaDataKeyToString(QMediaMetaData.Key(key))
line_edit = QLineEdit(default_value(key))
line_edit.setClearButtonEnabled(True)
self.m_metaDataFields.append(line_edit)
if key == QMediaMetaData.Key.ThumbnailImage:
open_thumbnail = QPushButton("Open")
open_thumbnail.clicked.connect(self.open_thumbnail_image)
layout = QHBoxLayout()
layout.addWidget(line_edit)
layout.addWidget(open_thumbnail)
meta_data_layout.addRow(label, layout)
elif key == QMediaMetaData.Key.CoverArtImage:
open_cover_art = QPushButton("Open")
open_cover_art.clicked.connect(self.open_cover_art_image)
layout = QHBoxLayout()
layout.addWidget(line_edit)
layout.addWidget(open_cover_art)
meta_data_layout.addRow(label, layout)
else:
meta_data_layout.addRow(label, line_edit)
viewport = QWidget()
viewport.setLayout(meta_data_layout)
scroll_area = QScrollArea()
scroll_area.setWidget(viewport)
dialog_layout = QVBoxLayout(self)
dialog_layout.addWidget(scroll_area)
button_box = QDialogButtonBox(QDialogButtonBox.StandardButton.Ok
| QDialogButtonBox.StandardButton.Cancel)
dialog_layout.addWidget(button_box)
self.setWindowTitle("Set Metadata")
self.resize(400, 300)
button_box.accepted.connect(self.accept)
button_box.rejected.connect(self.reject)
@Slot()
def open_thumbnail_image(self):
dir = QDir.currentPath()
file_name = QFileDialog.getOpenFileName(self, "Open Image", dir,
IMAGE_FILTER)
if file_name:
i = QMediaMetaData.ThumbnailImage.value
self.m_metaDataFields[i].setText(file_name[0])
@Slot()
def open_cover_art_image(self):
dir = QDir.currentPath()
file_name = QFileDialog.getOpenFileName(self, "Open Image", dir,
IMAGE_FILTER)
if file_name:
i = QMediaMetaData.CoverArtImage.value
self.m_metaDataFields[i].setText(file_name[0])
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