# -*- coding: utf-8 -*-
"""
This entire model is for fill-between type of plots, which actually uses
polycollections. In the future, this may become a polycollections model,
but for now K.I.S.S.
Created on Thu Jul 7 15:25:08 2016
@author: chc
"""
from PyQt5.QtWidgets import (QApplication as _QApplication,
QMainWindow as _QMainWindow,
QColorDialog as _QColorDialog,
QDoubleSpinBox as _QDoubleSpinBox,
QComboBox as _QComboBox,
QLineEdit as _QLineEdit,
QStyledItemDelegate as _QStyledItemDelegate,
QTableView as _QTableView,
QSizePolicy as _QSizePolicy)
from PyQt5.QtCore import (QAbstractTableModel as _QAbstractTableModel,
QVariant as _QVariant,
QObject as _QObject,
pyqtSignal as _pyqtSignal,
QModelIndex as _QModelIndex,
Qt as _Qt)
from PyQt5.QtGui import (QPixmap as _QPixmap,
QIcon as _QIcon,
QColor as _QColor)
from sciplot.utils.mplstyle import MplMarkers, MplLines
from sciplot.ui.models.abstract import (AbstractTableModelMpl as
_AbstractTableModelMpl,
AbstractEditDelegateMpl as
_AbstractEditDelegateMpl)
[docs]class TableModelFillBetween(_AbstractTableModelMpl):
_HEADERS = ['Facecolor',
'Alpha',
'Edgecolor',
'LineWidth',
'Label',
'Delete']
_COL_FACECOLOR = _HEADERS.index('Facecolor')
_COL_ALPHA = _HEADERS.index('Alpha')
_COL_EDGECOLOR = _HEADERS.index('Edgecolor')
_COL_LINEWIDTH = _HEADERS.index('LineWidth')
_COL_LABEL = _HEADERS.index('Label')
_COL_DELETE = _HEADERS.index('Delete')
dataDeleted = _pyqtSignal(int, float)
def __init__(self, parent=None):
super(_QAbstractTableModel, self).__init__(parent)
self.headers = TableModelFillBetween._HEADERS
self._model_data = []
[docs] def rowCount(self, parent=_QModelIndex()):
"""
Return row count of table view
"""
return len(self._model_data)
[docs] def columnCount(self, parent=_QModelIndex()):
"""
Return col count of table view
"""
return len(self.headers)
[docs] def doubleClickCheck(self, index):
"""
Double-clicking certain columns has special effects. In this case,
the color change columns and the delete column
"""
col = index.column()
if (col == TableModelFillBetween._COL_FACECOLOR or
col == TableModelFillBetween._COL_EDGECOLOR):
# Face- or EdgeColor
self.changeColor(index)
elif col == TableModelFillBetween._COL_DELETE: # Delete?
self.deleteData(index)
[docs] def deleteData(self, index):
self.setData(index, True)
[docs] def changeColor(self, index):
row = index.row()
col = index.column()
if col == TableModelFillBetween._COL_FACECOLOR:
color = self._model_data[row]['facecolor']
else:
color = self._model_data[row]['edgecolor']
# from [0,1] -> [0,255] color scale
color_256 = [color[0]*255, color[1]*255, color[2]*255]
qcolor = _QColor(color_256[0], color_256[1], color_256[2])
result = _QColorDialog.getColor(qcolor)
if _QColor.isValid(result):
self.setData(index, result.getRgb())
else:
return None
[docs] def data(self, index, role=_Qt.DisplayRole):
if not index.isValid() or not 0 <= index.row() < self.rowCount():
return _QVariant()
row = index.row()
col = index.column()
if role == _Qt.DisplayRole:
if col == TableModelFillBetween._COL_FACECOLOR:
return str(self._model_data[row]['facecolor'])
elif col == TableModelFillBetween._COL_ALPHA:
return str(self._model_data[row]['alpha'])
elif col == TableModelFillBetween._COL_EDGECOLOR:
return str(self._model_data[row]['edgecolor'])
elif col == TableModelFillBetween._COL_LINEWIDTH:
return str(self._model_data[row]['linewidth'])
elif col == TableModelFillBetween._COL_LABEL:
return str(self._model_data[row]['label'])
elif col == TableModelFillBetween._COL_DELETE:
return ''
elif role == _Qt.DecorationRole:
if (col == TableModelFillBetween._COL_FACECOLOR or
col == TableModelFillBetween._COL_EDGECOLOR):
if col == TableModelFillBetween._COL_FACECOLOR:
color = self._model_data[row]['facecolor']
elif col == TableModelFillBetween._COL_EDGECOLOR:
color = self._model_data[row]['edgecolor']
color_256 = [color[0]*255, color[1]*255, color[2]*255]
qcolor = _QColor(color_256[0], color_256[1], color_256[2])
pm = _QPixmap(20, 20)
pm.fill(qcolor)
icon = _QIcon(pm)
return icon
elif col == TableModelFillBetween._COL_DELETE:
color = [1, 0, 0]
color_256 = [color[0]*255, color[1]*255, color[2]*255]
qcolor = _QColor(color_256[0], color_256[1], color_256[2])
pm = _QPixmap(20, 20)
pm.fill(qcolor)
icon = _QIcon(pm)
return icon
else:
return _QVariant()
else:
return _QVariant()
[docs] def setData(self, index, value, role=_Qt.EditRole):
if role == _Qt.EditRole:
row = index.row()
col = index.column()
if col == TableModelFillBetween._COL_FACECOLOR:
color_255 = value[0:-1]
color = [round(color_255[0]/255, 2),
round(color_255[1]/255, 2),
round(color_255[2]/255, 2)]
self._model_data[row]['facecolor'] = color
elif col == TableModelFillBetween._COL_EDGECOLOR:
color_255 = value[0:-1]
color = [round(color_255[0]/255, 2),
round(color_255[1]/255, 2),
round(color_255[2]/255, 2)]
self._model_data[row]['edgecolor'] = color
elif col == TableModelFillBetween._COL_ALPHA:
self._model_data[row]['alpha'] = float(value)
elif col == TableModelFillBetween._COL_LINEWIDTH:
self._model_data[row]['linewidth'] = float(value)
elif col == TableModelFillBetween._COL_LABEL:
self._model_data[row]['label'] = value
elif col == TableModelFillBetween._COL_DELETE:
if value:
out = self._model_data.pop(row)
self.layoutChanged.emit()
self.dataDeleted.emit(row, out['id'])
self.dataChanged.emit(index, index)
[docs] def flags(self, index):
flag = super(_QAbstractTableModel, self).flags(index)
return flag | _Qt.ItemIsEditable
[docs]class EditDelegateFillBetween(_AbstractEditDelegateMpl):
[docs] def createEditor(self, parent, option, index):
col = index.column()
if (col == TableModelFillBetween._COL_FACECOLOR or
col == TableModelFillBetween._COL_EDGECOLOR):
# Color handled by doubleClicked SIGNAL
pass
# LineWidth or Marker size or Alpha
elif (col == TableModelFillBetween._COL_LINEWIDTH or
col == TableModelFillBetween._COL_ALPHA):
spinBoxSize = _QDoubleSpinBox(parent)
spinBoxSize.setMinimum(0)
spinBoxSize.setMaximum(20)
spinBoxSize.setSingleStep(.5)
return spinBoxSize
elif col == TableModelFillBetween._COL_LABEL: # Label
lineEditLabel = _QLineEdit(parent)
return lineEditLabel
elif col == TableModelFillBetween._COL_DELETE: # Delete?
pass
else:
return _QVariant()
[docs] def setEditorData(self, editor, index):
col = index.column()
item = index.data(_Qt.DisplayRole)
if (col == TableModelFillBetween._COL_FACECOLOR or
col == TableModelFillBetween._COL_EDGECOLOR):
# Color handled by doubleClicked SIGNAL
pass
# LineWidth or MarkerSize or Alpha
elif (col == TableModelFillBetween._COL_LINEWIDTH or
col == TableModelFillBetween._COL_ALPHA):
item_float = float(item)
editor.setValue(item_float)
elif col == TableModelFillBetween._COL_LABEL: # Label
editor.setText(item)
else:
pass
[docs] def setModelData(self, editor, model, index):
col = index.column()
if (col == TableModelFillBetween._COL_FACECOLOR or
col == TableModelFillBetween._COL_EDGECOLOR):
# Color handled by doubleClicked SIGNAL
pass
# LineWidth or MarkerSize or Alpha
elif (col == TableModelFillBetween._COL_LINEWIDTH or
col == TableModelFillBetween._COL_ALPHA):
value = editor.value()
model.setData(index, value)
elif col == TableModelFillBetween._COL_LABEL: # Label
label = editor.text()
model.setData(index, label)