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from pyjamas.chart.HovertextChunk import formatAsHovertext
from pyjamas.chart.GChart import GChart
from pyjamas.chart import AnnotationLocation
from pyjamas.chart import SymbolType
"""*
* Defines a "square pie chart", that is, a
* fat, axes-free, stacked bar chart that is
* often an acceptable alterto a pie-chart.
* <p>
*
* Even though, as of version 2.0, GChart also supports
* round pie charts, square pie charts are still
* much more efficient.
*
"""
class GChartExample06(GChart):
def __init__(self):
GChart.__init__(self)
self.setChartTitle("<b><i>Market Share by Region</i></b>")
SIZE = 200
self.setChartSize(SIZE, SIZE)
region = ["USA", "Canada", "Mexico", "India", "France", "Iceland"]
# elements in this array must sum to 100.
percent = [35, 25, 15, 10, 10, 5]
colors = ["red", "green", "yellow", "fuchsia", "silver", "aqua"]
sum = 0
for i in range(len(percent)-1, -1, -1):
self.addCurve()
self.getCurve().getSymbol().setSymbolType(SymbolType.BOX_SOUTHEAST)
self.getCurve().getSymbol().setModelHeight(percent[i])
self.getCurve().getSymbol().setBackgroundColor(colors[i])
self.getCurve().getSymbol().setBorderColor(colors[i])
self.getCurve().getSymbol().setWidth(SIZE)
self.getCurve().getSymbol().setHoverAnnotationSymbolType(
SymbolType.ANCHOR_MOUSE_SNAP_TO_Y)
self.getCurve().getSymbol().setHoverLocation(
AnnotationLocation.SOUTHEAST)
ht = "%s, %d%%" % (region[i], percent[i])
ht = formatAsHovertext(ht)
self.getCurve().getSymbol().setHovertextTemplate(ht)
self.getCurve().setLegendLabel(region[i])
self.getCurve().addPoint(0, 100-sum)
self.getCurve().getPoint().setAnnotationText(region[i])
self.getCurve().getPoint().setAnnotationFontWeight("bold")
self.getCurve().getPoint().setAnnotationLocation(
AnnotationLocation.CENTER)
sum += percent[i]
self.getXAxis().setTickCount(0)
self.getXAxis().setTickThickness(0)
self.getXAxis().setAxisMin(0)
self.getXAxis().setAxisMax(SIZE)
self.getYAxis().setTickCount(0)
self.getYAxis().setTickThickness(0)
self.getYAxis().setAxisMin(0)
self.getYAxis().setAxisMax(100)
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