started preview and added pyproject toml

fixtracks/dialogs/previewdialog.py

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+import logging
+import pickle
+import pandas as pd
+from PySide6.QtWidgets import QDialog, QVBoxLayout, QHBoxLayout, QPushButton, QFileDialog, QProgressBar
+from PySide6.QtCore import QThreadPool
+
+from fixtracks.widgets.mergepreview import MergePreview
+from fixtracks.utils.reader import PickleLoader
+
+
+class PreviewDialog(QDialog):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._threadpool = QThreadPool(self)
+        self._df = None
+        self._reader = None
+
+        self.setWindowTitle("Merge Preview")
+        self._progress_bar = QProgressBar(self)
+        # self._progress_bar.setRange(0, 0)  # Set the progress bar to be indeterminate
+        self._progress_bar.setValue(0)
+
+        self.merge_preview = MergePreview(parent=self)
+        self._opendataBtn = QPushButton("open data")
+        self._opendataBtn.clicked.connect(self.on_openData)
+
+        self._openleftBtn = QPushButton("open left video")
+        self._openleftBtn.clicked.connect(self.on_openleftVideo)
+
+        self._openrightBtn = QPushButton("open right video")
+        self._openrightBtn.clicked.connect(self.on_openrightVideo)
+
+        btn_box = QHBoxLayout()
+        btn_box.addWidget(self._opendataBtn)
+        btn_box.addWidget(self._openleftBtn)
+        btn_box.addWidget(self._openrightBtn)
+
+        layout = QVBoxLayout()
+        layout.addLayout(btn_box)
+        layout.addWidget(self.merge_preview)
+        layout.addWidget(self._progress_bar)
+
+        self.setLayout(layout)
+
+    def on_openData(self):
+        file_dialog = QFileDialog(self, "Select pickled DataFrame", "", "Pandas DataFrame (*.pkl)")
+        infile = None
+
+        if file_dialog.exec():
+            infile = file_dialog.selectedFiles()[0]
+        if infile is not None:
+            self._progress_bar.setRange(0,0)
+            self._reader = PickleLoader(infile)
+            self._reader.signals.finished.connect(self._on_dataOpenend)
+            self._threadpool.start(self._reader)
+
+    def _on_dataOpenend(self, state):
+        self._progress_bar.setRange(0, 100)
+        self._progress_bar.setValue(0)
+        if state and self._reader is not None:
+            self._df = self._reader.data
+            self.merge_preview.set_dataframe(self._df)
+            self._reader = None
+
+    def on_openleftVideo(self):
+        pass
+
+    def on_openrightVideo(self):
+        pass
+
+
+def main():
+    from PySide6.QtWidgets import QApplication
+    import sys
+    app = QApplication(sys.argv)
+    dialog = PreviewDialog()
+    dialog.show()
+    sys.exit(app.exec())
+
+
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO, force=True)
+    main()