def blankGraphicsWidget(cls, alignment="horizontal", num_rows=1, init_zoom_periods=120):
# fplt configuration.
fplt.max_zoom_points = 5
fplt.foreground = '#fff' # darkmode
fplt.background = '#333'
fplt.display_timezone = gettz('GMT') # time error fix.
# Qt: to return Graphicsview
graphics_view = QGraphicsView()
if alignment == "horizontal":
hbox = QHBoxLayout()
else:
hbox = QVBoxLayout()
w = fplt.create_plot_widget(graphics_view.window(), rows=num_rows, init_zoom_periods=init_zoom_periods)
list_axs = []
if num_rows == 1:
list_axs = [w]
else:
for i in w:
list_axs.append(i)
for i in list_axs:
hbox.addWidget(i.ax_widget)
i.set_visible(crosshair=True, xaxis=True, yaxis=True, xgrid=True, ygrid=True)
graphics_view.window().axs = list_axs # finplot requres this property
graphics_view.setLayout(hbox)
return (graphics_view, w) # graphics view, list of ax
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
uic.loadUi('chart.ui', self)
self.initConnections()
pg.setConfigOptions(foreground=finplot.foreground, background=finplot.background)
fp = finplot.FinWindow(title="chart")
self.ax = finplot.create_plot_widget(fp, init_zoom_periods=100)
fp.ci.addItem(self.ax, row=0, col=0)
fp.show_maximized = True
self.plotWidget.setMaximumHeight(0)
self.plotWidget.axs = [self.ax] # finplot requires this property
self.verticalLayout.addWidget(fp)
self.dayDateEdit.setDate(datetime.date.today())
self.priceLine = None
self.stopPriceLine = None
self.candleItems = None
self.df = None
self.filename = None
self.isFileFirstOpen = True
self.hoverLabel = finplot.add_legend('', ax=self.ax)
finplot.set_time_inspector(self.update_legend_text, ax=self.ax, when='hover')
finplot.display_timezone = gettz('America/New_York')
layout = QGridLayout()
win.setLayout(layout)
win.resize(600, 500)
combo = QComboBox()
combo.setEditable(True)
[
combo.addItem(i) for i in
'AMRK FB GFN REVG TSLA TWTR WMT CT=F GC=F ^FTSE ^N225 EURUSD=X ETH-USD'.
split()
]
layout.addWidget(combo, 0, 0, 1, 1)
info = QLabel()
layout.addWidget(info, 0, 1, 1, 1)
ax = fplt.create_plot_widget(win, init_zoom_periods=100)
win.axs = [ax] # finplot requres this property
layout.addWidget(ax.ax_widget, 1, 0, 1, 2)
@lru_cache(maxsize=15)
def download(symbol):
return yf.download(symbol, '2019-01-01')
@lru_cache(maxsize=100)
def get_name(symbol):
return yf.Ticker(symbol).info['shortName']
plots = []
# Create example charts
combo = QComboBox()
combo.setEditable(True)
[
combo.addItem(i) for i in
"AMRK FB GFN REVG TSLA TWTR WMT CT=F GC=F ^FTSE ^N225 EURUSD=X ETH-USD".
split()
]
dock_0.addWidget(combo, 0, 0, 1, 1)
info = QLabel()
dock_0.addWidget(info, 0, 1, 1, 1)
# Chart for dock_0
ax0, ax1, ax2 = fplt.create_plot_widget(master=area,
rows=3,
init_zoom_periods=100)
area.axs = [ax0, ax1, ax2]
dock_0.addWidget(ax0.ax_widget, 1, 0, 1, 2)
dock_1.addWidget(ax1.ax_widget, 1, 0, 1, 2)
dock_2.addWidget(ax2.ax_widget, 1, 0, 1, 2)
# Link x-axis
ax1.setXLink(ax0)
ax2.setXLink(ax0)
win.axs = [ax0]
@lru_cache(maxsize=15)
def download(symbol):
return yf.download(symbol, "2019-01-01")