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EqTableCanvas.py
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EqTableCanvas.py
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#-*- coding: utf-8
from PyQt4 import QtGui, QtCore
from PyQt4.QtGui import *
from PyQt4.QtCore import Qt
import matplotlib as mpl
from matplotlib.backends.backend_agg import FigureCanvasAgg as fca
from sympy import *
from sympy.parsing.sympy_parser import parse_expr
import numpy as np
import ColorMaps
from OnOffCheckBox import *
# TODO Crée la table contenant les équations du noeud sélectionné
class EqTableCanvas(QTableWidget):
def __init__(self, modApp, *args):
self.modApp = modApp
self.cntrApp=None #Defined in RFGraphMain
self.colors = ColorMaps.colorm()
QTableWidget.__init__(self)
def paintSection(self, painter, rect, logicalIndex):
if not rect.isValid():
return
# ------------------------------ paint section (without the label) ----
opt = QStyleOptionHeader()
self.initStyleOption(opt)
opt.rect = rect
opt.section = logicalIndex
opt.text = ""
# ---- mouse over highlight ----
mouse_pos = self.mapFromGlobal(QtGui.QCursor.pos())
if rect.contains(mouse_pos):
opt.state |= QtGui.QStyle.State_MouseOver
# ---- paint ----
painter.save()
self.style().drawControl(QtGui.QStyle.CE_Header, opt, painter, self)
painter.restore()
# ------------------------------------------- paint mathText label ----
qpixmap = self.qpixmaps[logicalIndex]
# ---- centering ----
xpix = (rect.width() - qpixmap.size().width()) / 2. + rect.x()
ypix = (rect.height() - qpixmap.size().height()) / 2.
# ---- paint ----
rect = QtCore.QRect(xpix, ypix, qpixmap.size().width(),
qpixmap.size().height())
painter.drawPixmap(rect, qpixmap)
#def sizeHint(self):
#baseSize = QHeaderView.sizeHint(self)
#baseHeight = baseSize.height()
#if len(self.qpixmaps):
# for pixmap in self.qpixmaps:
# baseHeight = max(pixmap.height() + 8, baseHeight)
#baseSize.setHeight(baseHeight)
#self.parentWidget().repaint()
#return baseSize
def tex_to_QPixmap(self,tex, fs):
fig = mpl.figure.Figure()
fig.patch.set_facecolor('none')
fig.set_canvas(fca(fig))
renderer = fig.canvas.get_renderer()
ax = fig.add_axes([0,0,1,1])
ax.axis('off')
ax.patch.set_facecolor("none")
t = ax.text(0,0,tex,ha='left', va = 'bottom', fontsize=fs)
fwidth, fheight = fig.get_size_inches()
fig_bbox = fig.get_window_extent(renderer)
text_bbox = t.get_window_extent(renderer)
tight_fwidth = text_bbox.width * fwidth / fig_bbox.width
tight_fheight = text_bbox.height * fheight / fig_bbox.height
fig.set_size_inches(tight_fwidth, tight_fheight)
#---- convert mpl figure to QPixmap ----
buf, size = fig.canvas.print_to_buffer()
qimage = QImage.rgbSwapped(QImage(buf, size[0], size[1],QImage.Format_ARGB32))
qpixmap = QPixmap(qimage)
return qpixmap
def generateLatex(self):
def getlatex(n):
expr = parse_expr((self.modApp.data[n][2]).replace('^','**'))
tex = latex(expr)
return self.tex_to_QPixmap("$" + tex + "$", 12)
eqLat = list(map(lambda x : self.tex_to_QPixmap("$"+latex(parse_expr((self.modApp.data[x][2]).replace('^','**')))+"$",20),range(len(self.modApp.data))))
return eqLat
def updateView(self):
self.clear()
self.setRowCount(len(self.modApp.data))
self.setColumnCount(4)
self.wordWrap()
self.setTextElideMode(Qt.ElideNone)
self.setHorizontalHeaderLabels(['Complexity', 'Fitness', 'Equation','On/Off'])
#self.horizontalHeader().setMaximumWidth(1000)
self.resizeColumnsToContents()
#self.resizeRowsToContents()
#self.resizeColumnsToContents()
#eqList = self.generateLatex()
for n in range(len(self.modApp.data)):
newitem = QTableWidgetItem(str(self.modApp.data[n][0]))
cmap = self.colors.get("complexity",(self.modApp.data[n][0]/self.modApp.cmplxMax))
newitem.setBackground(QColor(*cmap))
if(0.299*cmap[0] + 0.587*cmap[1]+0.114*cmap[2] < 110):
newitem.setTextColor(Qt.white)
if (self.modApp.data[n][3] == False):
mash = 0.6;
newitem.setTextColor(QColor(int(255 * mash), int(255 * mash), int(255 * mash)))
self.setItem(n, 0, newitem)
newitem = QTableWidgetItem(str(self.modApp.data[n][1]))
cmap = self.colors.get("local",(self.modApp.data[n][1]/self.modApp.dataMaxFitness))
#if (sum(cmap) < 128 * 3):
if (0.299 * cmap[0] + 0.587 * cmap[1] + 0.114 * cmap[2] < 100):
newitem.setTextColor(Qt.white)
newitem.setBackground(QColor(*cmap))
if (self.modApp.data[n][3] == False):
mash = 0.6;
newitem.setTextColor(QColor(int(255 * mash), int(255 * mash), int(255 * mash)))
self.setItem(n, 1, newitem)
newitem = QTableWidgetItem(self.reformatNumberEquation(str(self.modApp.data[n][2])))
if(self.modApp.data[n][3]==False):
mash=0.6;
newitem.setTextColor(QColor(int(255*mash),int(255*mash),int(255*mash)))
#newitem = QTableWidgetItem(str(self.modApp.data[n][2]))
if(self.modApp.clicked_line==n):
newitem.setBackground(QColor(130, 130, 110))
else:
newitem.setBackground(QColor(255, 255, 255))
#newitem.setSizeHint(QtCore.QSize(300,5))
self.setItem(n, 2, newitem)
cb = OnOffCheckBox(self.cntrApp, n)
cb.setParent(self)
cb.setCheckState(self.modApp.data[n][3])
self.setCellWidget(n,3,cb)
#newitem = QTableWidgetItem(self.modApp.data[n][m])
#self.setItem(n,m,newitem)
#if m == 2:
# t = QTableWidgetItem()
# t.setData(Qt.DecorationRole, eqList[n])
# newitem = QTableWidgetItem(t)
# self.setItem(n, m, newitem)
#else:
# self.setItem(n, m, QTableWidgetItem(self.modApp.data[n][m]))
self.wordWrap()
#self.setHorizontalHeaderLabels(['Complexity','Fitness','Equation'])
#self.resizeColumnsToContents()
self.resizeRowsToContents()
self.horizontalHeader().setResizeMode(2,QtGui.QHeaderView.Stretch)
#self.resizeColumnsToContents()
self.resizeRowsToContents()
if(self.modApp.globalModelView and not self.modApp.lastNodeClicked in self.modApp.varsIn and self.modApp.lastNodeClicked != None):
self.item(self.modApp.selectedEq[self.modApp.lastNodeClicked], 2).setBackground(QColor(100, 100, 150))
def reformatNumberEquation(self,eq):
eqlist=eq.split()
eqRet=""
for t in eqlist:
try:
eqRet=eqRet+"{:.2E}".format(float(t))
except:
if(t=="(" or t==")" or t=="log"):
eqRet = eqRet + t
else:
eqRet=eqRet+" "+t+" "
return eqRet