[app] re-organization of ui classes
This commit is contained in:
parent
93d552265f
commit
20c1d02073
@ -1,12 +1,8 @@
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import os
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from PyQt5.QtWidgets import QComboBox, QFrame, QGroupBox, QHBoxLayout, QLabel, QListWidget, QListWidgetItem, QSplitter, QStackedLayout, QAbstractItemView, QTextEdit, QVBoxLayout, QWidget, QGridLayout
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from PyQt5.QtGui import QPixmap
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from PyQt5.QtCore import QItemSelectionModel, Qt, QSettings, pyqtSignal
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from PyQt5.QtWidgets import QStackedLayout, QWidget
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from nixview.file_handler import FileHandler, 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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from nixview.ui.plotscreen import PlotScreen
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from nixview.ui.splashscreen import SplashScreen
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from nixview.ui.filescreen import FileScreen
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class CentralWidget(QWidget):
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@ -14,7 +10,7 @@ class CentralWidget(QWidget):
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super().__init__(parent=parent)
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self._splash = SplashScreen()
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self._file_view = FileView(self)
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self._file_view = FileScreen(self)
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self._plot_screen = PlotScreen(self)
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self._plot_screen.close_signal.connect(self.on_plot_close)
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self._stack = QStackedLayout(self)
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@ -38,221 +34,3 @@ class CentralWidget(QWidget):
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self._file_view.reset()
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self._splash.reset()
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self._stack.setCurrentIndex(0)
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class FileView(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, 0)
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self._splitter.setStretchFactor(1, 1)
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self._splitter.setStretchFactor(2, 1)
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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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class SplashScreen(QWidget):
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keyPressed = pyqtSignal(int)
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def __init__(self, parent=None) -> None:
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super().__init__(parent=parent)
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#self.setStyleSheet("background-color: white;")
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layout = QGridLayout()
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layout.setColumnStretch(0, 2)
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layout.setColumnStretch(1, 1)
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layout.setColumnStretch(2, 1)
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layout.setColumnStretch(3, 1)
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layout.setColumnStretch(4, 2)
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layout.setRowStretch(0, 1)
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layout.setRowStretch(1, 0)
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layout.setRowStretch(2, 1)
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layout.setRowStretch(3, 2)
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self.setLayout(layout)
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label = QLabel()
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label.setPixmap(QPixmap(os.path.join(cnst.ICONS_FOLDER, "nixview_transparent.png")))
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label.setMaximumWidth(300)
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label.setAlignment(Qt.AlignCenter)
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layout.addWidget(label, 1, 1, 1, 3, Qt.AlignCenter)
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frame = QFrame()
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l = QVBoxLayout()
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l.addWidget(QLabel("Recently opened files:"))
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self._file_list = QListWidget(self)
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self._file_list.setSelectionMode(QAbstractItemView.SingleSelection)
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self._file_list.itemClicked.connect(self._on_file_clicked)
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self._file_list.setFrameShape(QFrame.NoFrame)
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self.keyPressed.connect(self._on_key_pressed)
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l.addWidget(self._file_list)
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frame.setLayout(l)
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layout.addWidget(frame, 3, 1, 1, 3)
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self._file_map = {}
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self._read_recent_files()
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def keyPressEvent(self, event):
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super(SplashScreen, self).keyPressEvent(event)
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if event.key() == Qt.Key_Return:
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self.keyPressed.emit(event.key())
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def _create_short_filename(self, original, index, max_len=40):
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short = original
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parts = original.split(os.sep)
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if len(parts) == 1:
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short = "%i: %s" % (index, short[:max_len])
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else:
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post = parts[-1]
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if len(post) > max_len - 4:
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post = post[:max_len - 4]
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short = str("%i: " % index) + "... " + post
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else:
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short = str("%i: " % index) + " ... ".join([original[:max_len - len(post) - 4], post])
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return short
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def _read_recent_files(self):
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settings = QSettings(cnst.organization, cnst.application)
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filenames = settings.value(cnst.settings_recent_files_key, [])
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del settings
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for i, f in enumerate(filenames):
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shortname = self._create_short_filename(f, i + 1, max_len=38)
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self._file_map[shortname] = f
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item = QListWidgetItem(shortname)
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item.setToolTip(f)
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self._file_list.addItem(item)
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def reset(self):
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self._file_list.clear()
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self._read_recent_files()
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def _on_file_clicked(self, item):
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comm.communicator.open_recent.emit(self._file_map[item.text()])
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def _on_key_pressed(self, key):
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item = self._file_list.currentItem()
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if item is not None and key == Qt.Key_Return:
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comm.communicator.open_recent.emit(self._file_map[item.text()])
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141
nixview/ui/filescreen.py
Normal file
141
nixview/ui/filescreen.py
Normal file
@ -0,0 +1,141 @@
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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.file_handler import FileHandler, 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, 0)
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self._splitter.setStretchFactor(1, 1)
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self._splitter.setStretchFactor(2, 1)
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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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@ -1,36 +0,0 @@
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from PyQt5.QtWidgets import QHBoxLayout, QPushButton, QVBoxLayout, QWidget
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from PyQt5.QtCore import QObject, pyqtSignal, Qt
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import matplotlib
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matplotlib.use('Qt5Agg')
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from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
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from matplotlib.figure import Figure
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class MplCanvas(FigureCanvasQTAgg):
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def __init__(self, parent=None, width=5, height=4, dpi=100):
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fig = Figure(figsize=(width, height), dpi=dpi)
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self.axes = fig.add_subplot(111)
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super(MplCanvas, self).__init__(fig)
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class PlotScreen(QWidget):
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close_signal = pyqtSignal()
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def __init__(self, parent) -> None:
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super().__init__(parent=parent)
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sc = MplCanvas(self, width=5, height=4, dpi=100)
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sc.axes.plot([0,1,2,3,4], [10,1,20,3,40])
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self.setLayout(QVBoxLayout())
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self.layout().addWidget(sc)
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close_btn = QPushButton("close")
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close_btn.clicked.connect(self.on_close)
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self.layout().addWidget(close_btn)
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def on_close(self):
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self.close_signal.emit()
|
||||
|
||||
def plot(self, item):
|
||||
print("plot!", item)
|
||||
343
nixview/ui/plotscreen.py
Normal file
343
nixview/ui/plotscreen.py
Normal file
@ -0,0 +1,343 @@
|
||||
from PyQt5.QtWidgets import QHBoxLayout, QPushButton, QVBoxLayout, QWidget
|
||||
from PyQt5.QtCore import QObject, pyqtSignal, Qt
|
||||
import matplotlib
|
||||
matplotlib.use('Qt5Agg')
|
||||
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
|
||||
from matplotlib.figure import Figure
|
||||
|
||||
import numpy as np
|
||||
import matplotlib.pyplot as plt
|
||||
from matplotlib.widgets import Slider
|
||||
import nixio as nix
|
||||
|
||||
|
||||
|
||||
|
||||
def create_label(entity):
|
||||
label = ""
|
||||
if hasattr(entity, "label"):
|
||||
label += (entity.label if entity.label is not None else "")
|
||||
if len(label) == 0 and hasattr(entity, "name"):
|
||||
label += entity.name
|
||||
if hasattr(entity, "unit") and entity.unit is not None:
|
||||
label += " [%s]" % entity.unit
|
||||
return label
|
||||
|
||||
|
||||
class Plotter(object):
|
||||
|
||||
def show(self):
|
||||
plt.show()
|
||||
|
||||
|
||||
class EventPlotter(Plotter):
|
||||
|
||||
def __init__(self, data_array, xdim=-1):
|
||||
self.array = data_array
|
||||
self.sc = None
|
||||
self.dim_count = len(data_array.dimensions)
|
||||
if xdim == -1:
|
||||
self.xdim = guess_best_xdim(self.array)
|
||||
elif xdim > 1:
|
||||
raise ValueError("EventPlotter: xdim is larger than 2! "
|
||||
"Cannot plot that kind of data")
|
||||
else:
|
||||
self.xdim = xdim
|
||||
|
||||
def plot(self, axis=None):
|
||||
if axis is None:
|
||||
self.fig = plt.figure(figsize=[5.5, 2.])
|
||||
self.axis = self.fig.add_axes([0.15, .2, 0.8, 0.75])
|
||||
self.axis.set_title(self.array.name)
|
||||
else:
|
||||
self.fig = axis.figure
|
||||
self.axis = axis
|
||||
if len(self.array.dimensions) == 1:
|
||||
return self.plot_1d()
|
||||
else:
|
||||
return None
|
||||
|
||||
def plot_1d(self):
|
||||
data = self.array[:]
|
||||
xlabel = create_label(self.array.dimensions[self.xdim])
|
||||
dim = self.array.dimensions[self.xdim]
|
||||
if dim.dimension_type == nix.DimensionType.Range and not dim.is_alias:
|
||||
ylabel = create_label(self.array)
|
||||
else:
|
||||
ylabel = ""
|
||||
self.sc = self.axis.scatter(data, np.ones(data.shape))
|
||||
self.axis.set_ylim([0.5, 1.5])
|
||||
self.axis.set_yticks([1.])
|
||||
self.axis.set_yticklabels([])
|
||||
self.axis.set_xlabel(xlabel)
|
||||
self.axis.set_ylabel(ylabel)
|
||||
return self.axis
|
||||
|
||||
|
||||
class CategoryPlotter(Plotter):
|
||||
|
||||
def __init__(self, data_array, xdim=-1):
|
||||
self.array = data_array
|
||||
self.bars = []
|
||||
if xdim == -1:
|
||||
self.xdim = guess_best_xdim(self.array)
|
||||
elif xdim > 2:
|
||||
raise ValueError("CategoryPlotter: xdim is larger than 2! "
|
||||
"Cannot plot that kind of data")
|
||||
else:
|
||||
self.xdim = xdim
|
||||
|
||||
def plot(self, axis=None):
|
||||
if axis is None:
|
||||
self.fig = plt.figure()
|
||||
self.axis = self.fig.add_axes([0.15, .2, 0.8, 0.75])
|
||||
self.axis.set_title(self.array.name)
|
||||
else:
|
||||
self.fig = axis.figure
|
||||
self.axis = axis
|
||||
if len(self.array.dimensions) == 1:
|
||||
return self.plot_1d()
|
||||
elif len(self.array.dimensions) == 2:
|
||||
return self.plot_2d()
|
||||
else:
|
||||
return None
|
||||
|
||||
def plot_1d(self):
|
||||
data = self.array[:]
|
||||
dim = self.array.dimensions[self.xdim]
|
||||
if dim.dimension_type == nix.DimensionType.Set:
|
||||
categories = list(dim.labels)
|
||||
else:
|
||||
return None
|
||||
if categories is None:
|
||||
categories = ["Cat-%i" % i for i in range(len(data))]
|
||||
ylabel = create_label(self.array)
|
||||
if len(categories) == 0:
|
||||
raise ValueError("Cannot plot a bar chart without any labels")
|
||||
self.bars.append(self.axis.bar(range(1, len(categories)+1), data,
|
||||
tick_label=categories))
|
||||
self.axis.set_ylabel(ylabel)
|
||||
return self.axis
|
||||
|
||||
def plot_2d(self):
|
||||
data = self.array[:]
|
||||
if self.xdim == 1:
|
||||
data = data.T
|
||||
|
||||
dim = self.array.dimensions[self.xdim]
|
||||
if dim.dimension_type == nix.DimensionType.Set:
|
||||
categories = list(dim.labels)
|
||||
if len(categories) == 0:
|
||||
categories = ["Cat-%i" % i for i in range(data.shape[self.xdim])]
|
||||
|
||||
dim = self.array.dimensions[1-self.xdim]
|
||||
if dim.dimension_type == nix.DimensionType.Set:
|
||||
series_names = list(dim.labels)
|
||||
if len(series_names) == 0:
|
||||
series_names = ["Series-%i" % i
|
||||
for i in range(data.shape[1-self.xdim])]
|
||||
|
||||
bar_width = 1/data.shape[1] * 0.75
|
||||
for i in range(data.shape[1]):
|
||||
x_values = np.arange(data.shape[0]) + i * bar_width
|
||||
self.bars.append(self.axis.bar(x_values, data[:, i],
|
||||
width=bar_width,
|
||||
align="center")[0])
|
||||
self.axis.set_xticks(np.arange(data.shape[0]) +
|
||||
data.shape[1] * bar_width/2)
|
||||
self.axis.set_xticklabels(categories)
|
||||
self.axis.legend(self.bars, series_names, loc=1)
|
||||
return self.axis
|
||||
|
||||
|
||||
class ImagePlotter(Plotter):
|
||||
|
||||
def __init__(self, data_array, xdim=-1):
|
||||
self.array = data_array
|
||||
self.image = None
|
||||
|
||||
def plot(self, axis=None):
|
||||
dim_count = len(self.array.dimensions)
|
||||
if axis is None:
|
||||
self.fig = plt.figure()
|
||||
self.axis = self.fig.add_axes([0.15, .2, 0.8, 0.75])
|
||||
self.axis.set_title(self.array.name)
|
||||
else:
|
||||
self.fig = axis.figure
|
||||
self.axis = axis
|
||||
if dim_count == 2:
|
||||
return self.plot_2d()
|
||||
elif dim_count == 3:
|
||||
return self.plot_3d()
|
||||
else:
|
||||
return None
|
||||
|
||||
def plot_2d(self):
|
||||
data = self.array[:]
|
||||
x = self.array.dimensions[0].axis(data.shape[0])
|
||||
y = self.array.dimensions[1].axis(data.shape[1])
|
||||
xlabel = create_label(self.array.dimensions[0])
|
||||
ylabel = create_label(self.array.dimensions[1])
|
||||
self.image = self.axis.imshow(data, extent=[x[0], x[-1], y[0], y[-1]])
|
||||
self.axis.set_xlabel(xlabel)
|
||||
self.axis.set_ylabel(ylabel)
|
||||
self.axis.set
|
||||
return self.axis
|
||||
|
||||
def plot_3d(self):
|
||||
if self.array.shape[2] > 3:
|
||||
print("cannot plot 3d data with more than 3 channels "
|
||||
"in the third dim")
|
||||
return None
|
||||
return self.plot_2d()
|
||||
|
||||
|
||||
class LinePlotter(Plotter):
|
||||
|
||||
def __init__(self, data_array, xdim=-1):
|
||||
self.array = data_array
|
||||
self.lines = []
|
||||
self.dim_count = len(data_array.dimensions)
|
||||
if xdim == -1:
|
||||
self.xdim = guess_best_xdim(self.array)
|
||||
elif xdim > 2:
|
||||
raise ValueError("LinePlotter: xdim is larger than 2! "
|
||||
"Cannot plot that kind of data")
|
||||
else:
|
||||
self.xdim = xdim
|
||||
self.fig = None
|
||||
self.axis = None
|
||||
|
||||
def plot(self, axis=None, maxpoints=100000):
|
||||
self.maxpoints = maxpoints
|
||||
if axis is None:
|
||||
self.fig = plt.figure()
|
||||
self.axis = self.fig.add_axes([0.15, .2, 0.8, 0.75])
|
||||
self.axis.set_title(self.array.name)
|
||||
self.__add_slider()
|
||||
else:
|
||||
self.axis = axis
|
||||
|
||||
dim_count = len(self.array.dimensions)
|
||||
if dim_count > 2:
|
||||
return
|
||||
if dim_count == 1:
|
||||
return self.plot_array_1d()
|
||||
else:
|
||||
return self.plot_array_2d()
|
||||
|
||||
def __add_slider(self):
|
||||
steps = self.array.shape[self.xdim] / self.maxpoints
|
||||
slider_ax = self.fig.add_axes([0.15, 0.025, 0.8, 0.025])
|
||||
self.slider = Slider(slider_ax, 'Slider', 1., steps, valinit=1.,
|
||||
valstep=0.25)
|
||||
self.slider.on_changed(self.__update)
|
||||
|
||||
def __update(self, val):
|
||||
if len(self.lines) > 0:
|
||||
minimum = val * self.maxpoints - self.maxpoints
|
||||
start = minimum if minimum > 0 else 0
|
||||
end = val * self.maxpoints
|
||||
self.__draw(start, end)
|
||||
self.fig.canvas.draw_idle()
|
||||
|
||||
def __draw(self, start, end):
|
||||
if self.dim_count == 1:
|
||||
self.__draw_1d(start, end)
|
||||
else:
|
||||
self.__draw_2d(start, end)
|
||||
|
||||
def __draw_1d(self, start, end):
|
||||
if start < 0:
|
||||
start = 0
|
||||
if end > self.array.shape[self.xdim]:
|
||||
end = self.array.shape[self.xdim]
|
||||
|
||||
y = self.array[int(start):int(end)]
|
||||
dim = self.array.dimensions[self.xdim]
|
||||
x = np.asarray(dim.axis(len(y), int(start)))
|
||||
|
||||
if len(self.lines) == 0:
|
||||
l, = self.axis.plot(x, y, label=self.array.name)
|
||||
self.lines.append(l)
|
||||
else:
|
||||
self.lines[0].set_ydata(y)
|
||||
self.lines[0].set_xdata(x)
|
||||
|
||||
self.axis.set_xlim([x[0], x[-1]])
|
||||
|
||||
def __draw_2d(self, start, end):
|
||||
if start < 0:
|
||||
start = 0
|
||||
if end > self.array.shape[self.xdim]:
|
||||
end = self.array.shape[self.xdim]
|
||||
|
||||
x_dimension = self.array.dimensions[self.xdim]
|
||||
x = np.asarray(x_dimension.axis(int(end-start), start))
|
||||
y_dimension = self.array.dimensions[1-self.xdim]
|
||||
labels = y_dimension.labels
|
||||
if len(labels) == 0:
|
||||
labels = list(map(str, range(self.array.shape[1-self.xdim])))
|
||||
|
||||
for i, l in enumerate(labels):
|
||||
if (self.xdim == 0):
|
||||
y = self.array[int(start):int(end), i]
|
||||
else:
|
||||
y = self.array[i, int(start):int(end)]
|
||||
|
||||
if len(self.lines) <= i:
|
||||
ll, = self.axis.plot(x, y, label=l)
|
||||
self.lines.append(ll)
|
||||
else:
|
||||
self.lines[i].set_ydata(y)
|
||||
self.lines[i].set_xdata(x)
|
||||
|
||||
self.axis.set_xlim([x[0], x[-1]])
|
||||
|
||||
def plot_array_1d(self):
|
||||
self.__draw_1d(0, self.maxpoints)
|
||||
xlabel = create_label(self.array.dimensions[self.xdim])
|
||||
ylabel = create_label(self.array)
|
||||
self.axis.set_xlabel(xlabel)
|
||||
self.axis.set_ylabel(ylabel)
|
||||
return self.axis
|
||||
|
||||
def plot_array_2d(self):
|
||||
self.__draw_2d(0, self.maxpoints)
|
||||
xlabel = create_label(self.array.dimensions[self.xdim])
|
||||
ylabel = create_label(self.array)
|
||||
self.axis.set_xlabel(xlabel)
|
||||
self.axis.set_ylabel(ylabel)
|
||||
self.axis.legend(loc=1)
|
||||
return self.axis
|
||||
|
||||
|
||||
class MplCanvas(FigureCanvasQTAgg):
|
||||
|
||||
def __init__(self, parent=None, width=5, height=4, dpi=100):
|
||||
fig = Figure(figsize=(width, height), dpi=dpi)
|
||||
self.axes = fig.add_subplot(111)
|
||||
super(MplCanvas, self).__init__(fig)
|
||||
|
||||
|
||||
class PlotScreen(QWidget):
|
||||
close_signal = pyqtSignal()
|
||||
|
||||
def __init__(self, parent) -> None:
|
||||
super().__init__(parent=parent)
|
||||
sc = MplCanvas(self, width=5, height=4, dpi=100)
|
||||
sc.axes.plot([0,1,2,3,4], [10,1,20,3,40])
|
||||
|
||||
self.setLayout(QVBoxLayout())
|
||||
self.layout().addWidget(sc)
|
||||
|
||||
close_btn = QPushButton("close")
|
||||
close_btn.clicked.connect(self.on_close)
|
||||
|
||||
self.layout().addWidget(close_btn)
|
||||
|
||||
def on_close(self):
|
||||
self.close_signal.emit()
|
||||
|
||||
def plot(self, item):
|
||||
print("plot!", item)
|
||||
91
nixview/ui/splashscreen.py
Normal file
91
nixview/ui/splashscreen.py
Normal file
@ -0,0 +1,91 @@
|
||||
import os
|
||||
from PyQt5.QtWidgets import QWidget, QGridLayout, QLabel, QFrame, QVBoxLayout, QListWidget, QAbstractItemView, QListWidgetItem
|
||||
from PyQt5.QtGui import QPixmap
|
||||
from PyQt5.QtCore import Qt, QSettings, pyqtSignal
|
||||
|
||||
import nixview.communicator as comm
|
||||
import nixview.constants as cnst
|
||||
|
||||
|
||||
class SplashScreen(QWidget):
|
||||
keyPressed = pyqtSignal(int)
|
||||
|
||||
def __init__(self, parent=None) -> None:
|
||||
super().__init__(parent=parent)
|
||||
#self.setStyleSheet("background-color: white;")
|
||||
|
||||
layout = QGridLayout()
|
||||
layout.setColumnStretch(0, 2)
|
||||
layout.setColumnStretch(1, 1)
|
||||
layout.setColumnStretch(2, 1)
|
||||
layout.setColumnStretch(3, 1)
|
||||
layout.setColumnStretch(4, 2)
|
||||
|
||||
layout.setRowStretch(0, 1)
|
||||
layout.setRowStretch(1, 0)
|
||||
layout.setRowStretch(2, 1)
|
||||
layout.setRowStretch(3, 2)
|
||||
self.setLayout(layout)
|
||||
|
||||
label = QLabel()
|
||||
label.setPixmap(QPixmap(os.path.join(cnst.ICONS_FOLDER, "nixview_transparent.png")))
|
||||
label.setMaximumWidth(300)
|
||||
label.setAlignment(Qt.AlignCenter)
|
||||
layout.addWidget(label, 1, 1, 1, 3, Qt.AlignCenter)
|
||||
|
||||
frame = QFrame()
|
||||
l = QVBoxLayout()
|
||||
l.addWidget(QLabel("Recently opened files:"))
|
||||
self._file_list = QListWidget(self)
|
||||
self._file_list.setSelectionMode(QAbstractItemView.SingleSelection)
|
||||
self._file_list.itemClicked.connect(self._on_file_clicked)
|
||||
self._file_list.setFrameShape(QFrame.NoFrame)
|
||||
self.keyPressed.connect(self._on_key_pressed)
|
||||
l.addWidget(self._file_list)
|
||||
frame.setLayout(l)
|
||||
layout.addWidget(frame, 3, 1, 1, 3)
|
||||
self._file_map = {}
|
||||
self._read_recent_files()
|
||||
|
||||
def keyPressEvent(self, event):
|
||||
super(SplashScreen, self).keyPressEvent(event)
|
||||
if event.key() == Qt.Key_Return:
|
||||
self.keyPressed.emit(event.key())
|
||||
|
||||
def _create_short_filename(self, original, index, max_len=40):
|
||||
short = original
|
||||
parts = original.split(os.sep)
|
||||
if len(parts) == 1:
|
||||
short = "%i: %s" % (index, short[:max_len])
|
||||
else:
|
||||
post = parts[-1]
|
||||
if len(post) > max_len - 4:
|
||||
post = post[:max_len - 4]
|
||||
short = str("%i: " % index) + "... " + post
|
||||
else:
|
||||
short = str("%i: " % index) + " ... ".join([original[:max_len - len(post) - 4], post])
|
||||
return short
|
||||
|
||||
def _read_recent_files(self):
|
||||
settings = QSettings(cnst.organization, cnst.application)
|
||||
filenames = settings.value(cnst.settings_recent_files_key, [])
|
||||
del settings
|
||||
|
||||
for i, f in enumerate(filenames):
|
||||
shortname = self._create_short_filename(f, i + 1, max_len=38)
|
||||
self._file_map[shortname] = f
|
||||
item = QListWidgetItem(shortname)
|
||||
item.setToolTip(f)
|
||||
self._file_list.addItem(item)
|
||||
|
||||
def reset(self):
|
||||
self._file_list.clear()
|
||||
self._read_recent_files()
|
||||
|
||||
def _on_file_clicked(self, item):
|
||||
comm.communicator.open_recent.emit(self._file_map[item.text()])
|
||||
|
||||
def _on_key_pressed(self, key):
|
||||
item = self._file_list.currentItem()
|
||||
if item is not None and key == Qt.Key_Return:
|
||||
comm.communicator.open_recent.emit(self._file_map[item.text()])
|
||||
Loading…
Reference in New Issue
Block a user