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handle graph export with empty data (#239); closes #233
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Co-authored-by: Dominik Demuth <dominik.demuth@physik.tu-darmstadt.de>
Reviewed-on: #239
This commit is contained in:
Dominik Demuth 2024-02-07 18:58:18 +00:00
parent 881eff2770
commit 24640d374e
3 changed files with 44 additions and 31 deletions
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43
src/gui_qt/data/valueeditwidget.py
View File

@ -3,10 +3,10 @@ from __future__ import annotations
from typing import Any
from numpy import ndarray, iscomplexobj, asarray
from pyqtgraph import PlotDataItem
from ..Qt import QtGui, QtCore, QtWidgets
from .._py.valueeditor import Ui_MaskDialog
from ..lib.pg_objects import PlotItem
class ValueEditWidget(QtWidgets.QWidget, Ui_MaskDialog):
@ -35,13 +35,13 @@ class ValueEditWidget(QtWidgets.QWidget, Ui_MaskDialog):
self.tableView.setModel(self.model)
self.tableView.setSelectionModel(self.selection_model)
self.tableView.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.tableView.setContextMenuPolicy(QtCore.Qt.ContextMenuPolicy.CustomContextMenu)
self.tableView.customContextMenuRequested.connect(self.ctx)
self.selection_real = PlotDataItem(x=[], y=[], symbolSize=25, symbol='x',
pen=None, symbolPen='#c9308e', symbolBrush='#c9308e')
self.selection_imag = PlotDataItem(x=[], y=[], symbolSize=25, symbol='+',
pen=None, symbolPen='#dcdcdc', symbolBrush='#dcdcdc')
self.selection_real = PlotItem(x=[], y=[], symbolSize=25, symbol='x',
pen=None, symbolPen='#c9308e', symbolBrush='#c9308e')
self.selection_imag = PlotItem(x=[], y=[], symbolSize=25, symbol='+',
pen=None, symbolPen='#dcdcdc', symbolBrush='#dcdcdc')
def __call__(self, items: dict):
self.items = items
@ -133,7 +133,7 @@ class ValueEditWidget(QtWidgets.QWidget, Ui_MaskDialog):
def keyPressEvent(self, evt):
if evt.matches(QtGui.QKeySequence.Copy):
self.copy_selection()
elif evt.key() == QtCore.Qt.Key_Delete:
elif evt.key() == QtCore.Qt.Key.Key_Delete:
self.delete_item()
else:
super().keyPressEvent(evt)
@ -229,7 +229,7 @@ class ValueModel(QtCore.QAbstractTableModel):
"""
itemChanged = QtCore.pyqtSignal(int, int, str)
load_number = 20
maskRole = QtCore.Qt.UserRole+321
maskRole = QtCore.Qt.ItemDataRole.UserRole+321
def __init__(self, parent=None):
super().__init__(parent=parent)
@ -240,7 +240,7 @@ class ValueModel(QtCore.QAbstractTableModel):
self.mask = None
self.headers = ['x', 'y', '\u0394y']
for i, hd in enumerate(self.headers):
self.setHeaderData(i, QtCore.Qt.Horizontal, hd)
self.setHeaderData(i, QtCore.Qt.Orientation.Horizontal, hd)
def rowCount(self, *args, **kwargs) -> int:
return self.total_rows
@ -258,25 +258,28 @@ class ValueModel(QtCore.QAbstractTableModel):
self.mask = mask.tolist()
self.endResetModel()
self.dataChanged.emit(self.index(0, 0), self.index(0, 1), [QtCore.Qt.DisplayRole])
self.dataChanged.emit(
self.index(0, 0),
self.index(0, 1), [QtCore.Qt.ItemDataRole.DisplayRole]
)
def data(self, idx: QtCore.QModelIndex, role=QtCore.Qt.DisplayRole) -> Any:
def data(self, idx: QtCore.QModelIndex, role=QtCore.Qt.ItemDataRole.DisplayRole) -> Any:
if not idx.isValid():
return
row = idx.row()
if role in [QtCore.Qt.DisplayRole, QtCore.Qt.EditRole]:
if role in [QtCore.Qt.ItemDataRole.DisplayRole, QtCore.Qt.ItemDataRole.EditRole]:
val = self._data[row][idx.column()]
return self.as_string(val)
elif role == QtCore.Qt.BackgroundRole:
elif role == QtCore.Qt.ItemDataRole.BackgroundRole:
pal = QtGui.QGuiApplication.palette()
if not self.mask[row]:
return pal.color(QtGui.QPalette.Disabled, QtGui.QPalette.Base)
else:
return pal.color(QtGui.QPalette.Base)
elif role == QtCore.Qt.ForegroundRole:
elif role == QtCore.Qt.ItemDataRole.ForegroundRole:
pal = QtGui.QGuiApplication.palette()
if not self.mask[row]:
return pal.color(QtGui.QPalette.Disabled, QtGui.QPalette.Text)
@ -289,7 +292,7 @@ class ValueModel(QtCore.QAbstractTableModel):
else:
return
def setData(self, idx: QtCore.QModelIndex, value: str | bool, role=QtCore.Qt.DisplayRole) -> Any:
def setData(self, idx: QtCore.QModelIndex, value: str | bool, role=QtCore.Qt.ItemDataRole.DisplayRole) -> Any:
col, row = idx.column(), idx.row()
if role == ValueModel.maskRole:
@ -299,7 +302,7 @@ class ValueModel(QtCore.QAbstractTableModel):
return True
if value:
if role == QtCore.Qt.EditRole:
if role == QtCore.Qt.ItemDataRole.EditRole:
if value == self.as_string(self._data[row][col]):
return True
@ -322,9 +325,9 @@ class ValueModel(QtCore.QAbstractTableModel):
else:
return False
def headerData(self, section: int, orientation, role=QtCore.Qt.DisplayRole) -> Any:
if role == QtCore.Qt.DisplayRole:
if orientation == QtCore.Qt.Horizontal:
def headerData(self, section: int, orientation, role=QtCore.Qt.ItemDataRole.DisplayRole) -> Any:
if role == QtCore.Qt.ItemDataRole.DisplayRole:
if orientation == QtCore.Qt.Orientation.Horizontal:
return self.headers[section]
else:
return str(section+1)
@ -346,7 +349,7 @@ class ValueModel(QtCore.QAbstractTableModel):
self.endInsertRows()
def flags(self, idx: QtCore.QModelIndex) -> QtCore.Qt.ItemFlag:
return QtCore.QAbstractTableModel.flags(self, idx) | QtCore.Qt.ItemIsEditable
return QtCore.QAbstractTableModel.flags(self, idx) | QtCore.Qt.ItemFlag.ItemIsEditable
def removeRows(self, pos: int, rows: int, parent=None, *args, **kwargs) -> bool:
self.beginRemoveRows(parent, pos, pos+rows-1)

27
src/gui_qt/graphs/graphwindow.py
View File

@ -670,11 +670,14 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
else:
if os.path.exists(outfile):
if QtWidgets.QMessageBox.warning(self, 'Export graphic',
f'{os.path.split(outfile)[1]} already exists.\n'
f'Do you REALLY want to replace it?',
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
QtWidgets.QMessageBox.No) == QtWidgets.QMessageBox.No:
if QtWidgets.QMessageBox.warning(
self,
'Export graphic',
f'{os.path.split(outfile)[1]} already exists.\n'
f'Do you REALLY want to replace it?',
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
QtWidgets.QMessageBox.No
) == QtWidgets.QMessageBox.No:
return
bg_color = self._bgcolor
@ -716,16 +719,20 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
logger.exception(f'{item} could not exported because {e.args}')
continue
if len(item) == 2:
# plot can show errorbars
item_dic['yerr'] = item[1].opts['topData']
if item_dic:
if len(item) == 2:
# plot can show errorbars
if len(item_dic['x']):
item_dic['yerr'] = item[1].opts['topData']
else:
item_dic['yerr'] = []
dic['items'].append(item_dic)
for item in self._external_items:
try:
dic['items'].append(item.get_data_opts())
item_dic = item.get_data_opts()
if item_dic:
dic['items'].append(item_dic)
except Exception as e:
logger.exception(f'{item} could not be exported because {e.args}')
continue

5
src/gui_qt/lib/pg_objects.py
View File

@ -183,6 +183,8 @@ class PlotItem(PlotDataItem):
brush = self.opts['symbolBrush']
if isinstance(brush, tuple):
self.opts['symbolcolor'] = brush
elif isinstance(brush, str):
self.opts['symbolcolor'] = int(f'0x{brush[1:3]}', 16), int(f'0x{brush[3:5]}', 16), int(f'0x{brush[5:7]}', 16)
else:
c = brush.color()
self.opts['symbolcolor'] = c.red(), c.green(), c.blue()
@ -340,7 +342,8 @@ class PlotItem(PlotDataItem):
opts = self.opts
item_dic = {
'x': x, 'y': y,
'x': x,
'y': y,
'name': opts.get('name', ''),
'symbolsize': opts['symbolSize'],
}