def loadSymbol(self, symbol):
if Avidus.ds.hasSymbol(symbol):
import DateTime
date = DateTime.now() - DateTime.RelativeDate(years=+5)
self.mData.setData(Avidus.ds.getData(symbol, date), symbol)
else:
message = 'Invalid symbol'
self.emit(PYSIGNAL("statusMessage"), (message, ))
QMessageBox.information(self, 't a c t', """Invalid Symbol""")
return
self.xsize = self.mX.UpdateData(self.mData, self.width())
if self.splitter.width() != self.xsize:
self.mChart.UpdateData(DataSet())
for i in range(len(self.mIndCharts)):
self.mIndCharts[i].UpdateData(DataSet())
self.resizeContents(self.xsize, self.visibleHeight())
self.splitter.resize(self.xsize, self.visibleHeight())
# move to the far right
self.center(4000, 0, 0, 0)
#print 'got a size of: ', self.width(), self.height()
#print 'got a size of: ', self.mChart.width(), self.mChart.height()
#print 'got a size of: ', self.splitter.width(), self.splitter.height()
self.mChart.UpdateData(self.mData)
for i in range(len(self.mIndCharts)):
self.mIndCharts[i].UpdateData(self.mData)
# move to the far right
self.center(4000, 0, 0, 0)
message = symbol + ' loaded.'
self.emit(PYSIGNAL("statusMessage"), (message, ))
self.ticker.insertItem(symbol, 0)
def __init__(self, parent=None, name='Chart Window'):
""" Constructor """
QScrollView.__init__(self, parent, name)
#fixme: for some reason, the following statement throws
#error output, but still seems to work....
self.setMinimumSize(800, 600)
self.xsize = self.width()
self.mYAxisSize = 60
self.chartStyle = ['OHLC', 'Candle', 'Line']
self.timeScale = [('3 Months',80), \
('1 Year',260), \
('2 Years',520), \
('3 Years',780)]
#self.numberOfBars = 80
self.mData = DataSet()
self.mProps = ChartProperties(self)
self.connect(self.mProps, \
PYSIGNAL('propertiesChanged'), self.redraw)
self.mIndCharts = []
self.mNumIndCharts = 0
self.mMaxNumIndCharts = 5
self.setHScrollBarMode(QScrollView.AlwaysOn)
self.setVScrollBarMode(QScrollView.AlwaysOff)
self.splitter = QSplitter(Qt.Vertical, self.viewport())
self.addChild(self.splitter, 0, 0)
#X Axis
self.mX = XAxis(self.mData, self.mYAxisSize, self.mProps, \
self.splitter, 'XAxis')
self.splitter.setResizeMode(self.mX, \
QSplitter.Stretch)
# Price Chart
self.mChart = PriceChart(self.mX, self.mData, \
self.mYAxisSize, self.mProps, \
self.splitter, 'Main Chart')
#self.splitter.setResizeMode(self.mChart, \
# QSplitter.FollowSizeHint)
self.splitter.moveToLast(self.mX)
#self.mChart.AddThisIndicator('SMA')
#for i in range(self.mMaxNumIndCharts):
# indchart = IndicatorChart(self.mX, self.mData, \
# self.mYAxisSize, \
# self.mProps, \
# self.splitter, 'Indicator Chart')
#self.splitter.setResizeMode(indchart, \
# QSplitter.Stretch)
# indchart.hide()
# self.mIndCharts.append(indchart)
self.newIndicatorChart('Volume')
self.symbols = Avidus.ds.listSymbols()
self.symbol_index = -1