143 lines
5.7 KiB
Python
143 lines
5.7 KiB
Python
from PyQt5.QtWidgets import QComboBox, QFrame, QGroupBox, QHBoxLayout, QLabel, QSplitter, QTextEdit, QVBoxLayout, QWidget
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from PyQt5.QtCore import QItemSelectionModel, Qt
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from nixview.util.file_handler import FileHandler
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from nixview.util.descriptors import ItemDescriptor
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import nixview.communicator as comm
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import nixview.constants as cnst
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from nixview.data_models.tree_model import NixTreeView, TreeModel, TreeType
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class FileScreen(QWidget):
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def __init__(self, parent=None) -> None:
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super().__init__(parent=parent)
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self._file_handler = FileHandler()
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vbox = QVBoxLayout()
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self.setLayout(vbox)
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main_splitter = QSplitter(Qt.Vertical)
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self.layout().addWidget(main_splitter)
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self._info = EntityInfo(self)
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main_splitter.addWidget(self._info)
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self._data_tree = NixTreeView(self)
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self._tree_type_combo = QComboBox()
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self._tree_type_combo.adjustSize()
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self._tree_type_combo.addItems([TreeType.Data.value, TreeType.Full.value, TreeType.Metadata.value])
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self._tree_type_combo.currentTextChanged.connect(self.update)
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hbox = QHBoxLayout()
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hbox.addWidget(QLabel("Tree type:"))
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hbox.addWidget(self._tree_type_combo)
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hbox.addStretch()
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data_group = QGroupBox("Data")
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data_vbox = QVBoxLayout()
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data_vbox.setContentsMargins(1, 10, 1, 1)
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data_vbox.addLayout(hbox)
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data_vbox.addWidget(self._data_tree)
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data_group.setLayout(data_vbox)
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main_splitter.addWidget(data_group)
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main_splitter.setSizes([200, 600])
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vbox.addWidget(main_splitter)
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def dataTreeSelection(self, current_index, last_index):
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if not current_index.isValid():
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return
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item = current_index.internalPointer()
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comm.communicator.item_selected.emit(item)
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self._info.setEntityInfo(item.node_descriptor)
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def update(self):
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tt = TreeType.Data
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if self._tree_type_combo.currentText() == TreeType.Data.value:
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tt = TreeType.Data
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elif self._tree_type_combo.currentText() == TreeType.Full.value:
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tt = TreeType.Full
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elif self._tree_type_combo.currentText() == TreeType.Metadata.value:
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tt = TreeType.Metadata
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self._info.setEntityInfo(None)
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data_model = TreeModel(self._file_handler, tt)
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self._data_tree.setModel(data_model)
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selection_model = QItemSelectionModel(data_model)
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self._data_tree.setSelectionModel(selection_model)
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selection_model.currentChanged.connect(self.dataTreeSelection)
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for i in range(data_model.columnCount(None)):
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self._data_tree.resizeColumnToContents(i)
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self._info.setFileInfo(self._file_handler.file_descriptor)
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def reset(self):
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pass
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class EntityInfo(QWidget):
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def __init__(self, parent):
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super().__init__(parent=parent)
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self._file_handler = FileHandler()
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self.setLayout(QHBoxLayout())
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self._metadata_tree = NixTreeView()
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mdata_grp = QGroupBox("Metadata")
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mdata_grp.setLayout(QVBoxLayout())
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mdata_grp.layout().setContentsMargins(1, 10, 1, 1)
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mdata_grp.layout().addWidget(self._metadata_tree)
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file_info_grp = QGroupBox("File info")
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file_info_grp.setLayout(QVBoxLayout())
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file_info_grp.layout().setContentsMargins(1, 10, 1, 1)
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self._file_info = QTextEdit("File information")
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self._file_info.setEnabled(True)
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self._file_info.setTextInteractionFlags(Qt.TextSelectableByKeyboard | Qt.TextSelectableByMouse)
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self._file_info.setFrameShape(QFrame.NoFrame)
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self._file_info.setLineWrapMode(QTextEdit.WidgetWidth)
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file_info_grp.layout().addWidget(self._file_info)
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entity_info_grp = QGroupBox("Entity info")
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entity_info_grp.setLayout(QVBoxLayout())
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entity_info_grp.layout().setContentsMargins(1, 10, 1, 1)
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self._entity_info = QTextEdit("Entity information")
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self._file_info.setEnabled(True)
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self._file_info.setTextInteractionFlags(Qt.TextSelectableByKeyboard | Qt.TextSelectableByMouse)
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self._file_info.setFrameShape(QFrame.NoFrame)
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self._file_info.setLineWrapMode(QTextEdit.WidgetWidth)
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entity_info_grp.layout().addWidget(self._entity_info)
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self._splitter = QSplitter(Qt.Horizontal)
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self._splitter.addWidget(file_info_grp)
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self._splitter.addWidget(entity_info_grp)
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self._splitter.addWidget(mdata_grp)
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self._splitter.setSizes([200, 400, 0])
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self._splitter.setStretchFactor(0, 1)
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self._splitter.setStretchFactor(1, 2)
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self._splitter.setStretchFactor(2, 2)
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self.layout().addWidget(self._splitter)
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def setFileInfo(self, file_info):
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if file_info is not None:
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self._file_info.setText(file_info.toHtml())
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def setEntityInfo(self, entity_info):
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if entity_info is None or not isinstance(entity_info, ItemDescriptor):
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self._splitter.setSizes([200, 400, 0])
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self._entity_info.setText("")
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self._metadata_tree.setModel(None)
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return
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if entity_info.metadata_id is not None:
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self._splitter.setSizes([200, 400, 400])
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else:
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self._splitter.setSizes([200, 400, 0])
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self._entity_info.setText(entity_info.to_html())
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metadata_model = TreeModel(self._file_handler, TreeType.Metadata, root_section_id=entity_info.metadata_id)
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self._metadata_tree.setModel(metadata_model)
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for i in range(metadata_model.columnCount(None)):
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self._metadata_tree.resizeColumnToContents(i)
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