1 files changed, 250 insertions, 0 deletions
diff --git a/invest-applet/invest/widgets.py b/invest-applet/invest/widgets.py
new file mode 100644
index 00000000..3f5bc91b
--- /dev/null
+++ b/invest-applet/invest/widgets.py
@@ -0,0 +1,250 @@
+import os, time
+from os.path import *
+import mateapplet, gtk, gtk.gdk, mateconf, gobject, pango
+from gettext import gettext as _
+import locale
+import csv
+import invest, invest.about, invest.chart
+
+COLORSCALE_POSITIVE = [
+ "white",
+ "#ad7fa8",
+ "#75507b",
+ "#5c3566",
+ "#729fcf",
+ "#3465a4",
+ "#204a87",
+ "#8ae234",
+ "#73d216",
+ "#4e9a06",
+]
+COLORSCALE_NEGATIVE = [
+ "white",
+ "#fce94f",
+ "#e9b96e",
+ "#fcaf3e",
+ "#c17d11",
+ "#f57900",
+ "#ce5c00",
+ "#ef2929",
+ "#cc0000",
+ "#a40000",
+]
+LIGHT = -3
+MEDIUM = -1
+
+TICKER_TIMEOUT = 10000#3*60*1000#
+
+class InvestWidget(gtk.TreeView):
+ def __init__(self, quotes_updater):
+ gtk.TreeView.__init__(self)
+ self.set_property("rules-hint", True)
+ self.set_reorderable(True)
+ self.set_hover_selection(True)
+
+ simple_quotes_only = quotes_updater.simple_quotes_only()
+
+ # model: SYMBOL, LABEL, TICKER_ONLY, BALANCE, BALANCE_PCT, VALUE, VARIATION_PCT, PB
+ # Translators: these words all refer to a stock. Last is short
+ # for "last price". Gain is referring to the gain since the
+ # stock was purchased.
+ col_names = [_('Ticker'), _('Last'), _('Change %'), _('Chart'), _('Gain'), _('Gain %')]
+ col_cellgetdata_functions = [self._getcelldata_label, self._getcelldata_value,
+ self._getcelldata_variation, None, self._getcelldata_balance, 
+ self._getcelldata_balancepct]
+ for i, col_name in enumerate(col_names):
+ if i < 3:
+ cell = gtk.CellRendererText()
+ if i > 0:
+ cell.set_property("xalign", 1.0)
+ column = gtk.TreeViewColumn (col_name, cell)
+ if i == 0:
+ column.set_sort_column_id(quotes_updater.LABEL)
+ elif i == 2:
+ column.set_sort_column_id(quotes_updater.VARIATION_PCT)
+ column.set_cell_data_func(cell, col_cellgetdata_functions[i])
+ self.append_column(column)
+ elif i == 3:
+ cell_pb = gtk.CellRendererPixbuf()
+ column = gtk.TreeViewColumn (col_name, cell_pb, pixbuf=quotes_updater.PB)
+ self.append_column(column)
+ else:
+ # add the last two column only if we have any positions
+ if simple_quotes_only == False:
+ cell = gtk.CellRendererText()
+ cell.set_property("xalign", 1.0)
+ column = gtk.TreeViewColumn (col_name, cell)
+ if i == 4:
+ column.set_sort_column_id(quotes_updater.BALANCE)
+ elif i == 5:
+ column.set_sort_column_id(quotes_updater.BALANCE_PCT)
+ column.set_cell_data_func(cell, col_cellgetdata_functions[i])
+ self.append_column(column)
+
+ if simple_quotes_only == True:
+ self.set_property('headers-visible', False)
+
+ self.connect('row-activated', self.on_row_activated)
+ self.set_model(quotes_updater)
+
+
+ # locale-aware formatting of the value as monetary, without currency symbol, using 2 decimal digits
+ def format_currency(self, value, currency):
+ return locale.format("%.2f", value, True, True) + " " + currency
+
+ # locale-aware formatting of the percent float (decimal point, thousand grouping point) with 2 decimal digits
+ def format_percent(self, value):
+ return locale.format("%+.2f", value, True) + "%"
+
+ # locale-aware formatting of the float value (decimal point, thousand grouping point) with sign and 2 decimal digits
+ def format_difference(self, value, currency):
+ return locale.format("%+.2f", value, True, True) + " " + currency
+
+
+ def _getcelldata_label(self, column, cell, model, iter):
+ cell.set_property('text', model[iter][model.LABEL])
+
+ def _getcelldata_value(self, column, cell, model, iter):
+ cell.set_property('text', self.format_currency(model[iter][model.VALUE], model[iter][model.CURRENCY]))
+
+ def is_selected(self, model, iter):
+ m, it = self.get_selection().get_selected()
+ return it != None and model.get_path(iter) == m.get_path(it)
+
+ def get_color(self, model, iter, field):
+ palette = COLORSCALE_POSITIVE
+ intensity = MEDIUM
+ if model[iter][field] < 0:
+ palette = COLORSCALE_NEGATIVE
+ if self.is_selected(model, iter):
+ intensity = LIGHT
+ return palette[intensity]
+
+ def _getcelldata_variation(self, column, cell, model, iter):
+ color = self.get_color(model, iter, model.VARIATION_PCT)
+ change_pct = self.format_percent(model[iter][model.VARIATION_PCT])
+ cell.set_property('markup',
+ "<span foreground='%s'>%s</span>" %
+ (color, change_pct))
+
+ def _getcelldata_balance(self, column, cell, model, iter):
+ is_ticker_only = model[iter][model.TICKER_ONLY]
+ color = self.get_color(model, iter, model.BALANCE)
+ if is_ticker_only:
+ cell.set_property('text', '')
+ else:
+ balance = self.format_difference(model[iter][model.BALANCE], model[iter][model.CURRENCY])
+ cell.set_property('markup',
+ "<span foreground='%s'>%s</span>" %
+ (color, balance))
+
+ def _getcelldata_balancepct(self, column, cell, model, iter):
+ is_ticker_only = model[iter][model.TICKER_ONLY]
+ color = self.get_color(model, iter, model.BALANCE_PCT)
+ if is_ticker_only:
+ cell.set_property('text', '')
+ else:
+ balance_pct = self.format_percent(model[iter][model.BALANCE_PCT])
+ cell.set_property('markup',
+ "<span foreground='%s'>%s</span>" %
+ (color, balance_pct))
+
+ def on_row_activated(self, treeview, path, view_column):
+ ticker = self.get_model()[self.get_model().get_iter(path)][0]
+ if ticker == None:
+ return
+
+ invest.chart.show_chart([ticker])
+
+#class InvestTicker(gtk.Label):
+# def __init__(self):
+# gtk.Label.__init__(self, _("Waiting..."))
+#
+# self.quotes = []
+# gobject.timeout_add(TICKER_TIMEOUT, self.scroll_quotes)
+#
+# get_quotes_updater().connect('quotes-updated', self.on_quotes_update)
+#
+# def on_quotes_update(self, updater):
+# self.quotes = []
+# updater.foreach(self.update_quote, None)
+#
+# def update_quote(self, model, path, iter, user_data):
+# color = GREEN
+# if model[iter][model.BALANCE] < 0:
+# color = RED
+#
+# self.quotes.append(
+# "%s: <span foreground='%s'>%+.2f (%+.2f%%)</span> %.2f" %
+# (model[iter][model.SYMBOL], color, model[iter][model.BALANCE], model[iter][model.BALANCE_PCT], model[iter][model.VALUE]))
+#
+# def scroll_quotes(self):
+# if len(self.quotes) == 0:
+# return True
+#
+# q = self.quotes.pop()
+# self.set_markup("<span face='Monospace'>%s</span>" % q)
+# self.quotes.insert(0, q)
+#
+# return True
+#
+#gobject.type_register(InvestTicker)
+
+class InvestTrend(gtk.Image):
+ def __init__(self):
+ gtk.Image.__init__(self)
+ self.pixbuf = None
+ self.previous_allocation = (0,0)
+ self.connect('size-allocate', self.on_size_allocate)
+ get_quotes_updater().connect('quotes-updated', self.on_quotes_update)
+
+ def on_size_allocate(self, widget, allocation):
+ if self.previous_allocation == (allocation.width, allocation.height):
+ return
+
+ self.pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, allocation.height, allocation.height)
+ self.set_color("grey")
+ self.previous_allocation = (allocation.width, allocation.height)
+
+ def set_color(self, color, opacity=0xFF):
+ if self.pixbuf != None:
+ try:
+ color = pango.Color(color)
+ factor = float(0xFF)/0xFFFF
+ self.pixbuf.fill(
+ int(color.red*factor)<<24|int(color.green*factor)<<16|int(color.blue*factor)<<8|opacity)
+ self.set_from_pixbuf(self.pixbuf)
+ except Exception, msg:
+ invest.error("Could not set color: %s" % msg)
+
+ def on_quotes_update(self, updater):
+ start_total = 0
+ now_total = 0
+ for row in updater:
+ # Don't count the ticker only symbols in the color-trend
+ if row[updater.TICKER_ONLY]:
+ continue
+
+ var = row[updater.VARIATION]/100
+ now = row[updater.VALUE]
+
+ start = now / (1 + var)
+
+ portfolio_number = sum([purchase["amount"] for purchase in invest.STOCKS[row[updater.SYMBOL]]["purchases"]])
+ start_total += start * portfolio_number
+ now_total += now * portfolio_number
+
+ day_var = 0
+ if start_total != 0:
+ day_var = (now_total - start_total) / start_total * 100
+
+ color = int(2*day_var)
+ opacity = min(0xFF, int(abs(127.5*day_var)))
+ if day_var < 0:
+ color = COLORSCALE_NEGATIVE[min(len(COLORSCALE_NEGATIVE)-1, abs(color))]
+ else:
+ color = COLORSCALE_POSITIVE[min(len(COLORSCALE_POSITIVE)-1, abs(color))]
+
+ self.set_color(color, opacity)
+
+gobject.type_register(InvestTrend)