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try:
import wxversion
import wx
except ImportError:
from wxPython import wx
from wxPython import grid
EXTRA_ROW_SPACE = 40
class MultiColumnList( wx.Grid):
def __init__(self, parent, id = -1):
wx.Grid.__init__(self, parent, id)
self.CreateGrid( 10, 1)
self.SetData( { 1: "2000 AMI", 2 : "2000 Stroke", 3 : "1987 Asthma", 4 : "2002 Thin bones", 5 : "2002 cough" } , 4)
wx.EVT_SIZE( self, self._resizeData)
self.EnableEditing(0)
wx.EVT_GRID_CELL_LEFT_DCLICK( self, self._cellDoubleClicked)
self.listeners = []
def _cellDoubleClicked( self, event):
event.Skip()
x, y = self.GetGridCursorRow(), self.GetGridCursorCol()
items = self.data.items()
ix = y * self.col_rows[1] + x
if ix < len(items):
self.selData = items[ix]
self._notifyObservers()
def addItemListener(self, listener):
if listener not in self.listeners:
self.listeners.append(listener)
def removeItemListener(self, listener):
if listener in self.listeners:
self.listeners.remove(listener)
def _notifyObservers(self):
for l in self.listeners:
l( { 'source':self, 'item': self.selData } )
def _resizeData(self, event):
event.Skip()
self.SetData( self.GetData() , fitClientSize = 1)
def _getLongestItem(self, list):
l = 0
item = 'AAAAAAAAAAAA '
for x in list:
if len(x) > l:
l = len(x)
item = x
return item
def _ensureStringList(self, list):
alist = []
for x in list:
if type(x) == type(''):
alist.append(x)
if type(x) in (type( () ), type( [] ) ):
l = []
for f in x:
l.append(str(f))
alist.append(" ".join(l) )
return alist
def _getPredictedRows(self, items):
(w,h) = self.GetClientSize()
predictedRows = h/ (self.GetRowSize(0) + 1)
if predictedRows == 0:
predictedRows = 4
predictedCols = len(items) / predictedRows
list = []
for id , v in items:
list.append(v)
(x,y ) = self.GetTextExtent(self._getLongestItem(self._ensureStringList(list) ))
maxCols = w / (x + EXTRA_ROW_SPACE)
if maxCols == 0:
maxCols = 1
if predictedCols >= maxCols:
predictedCols = maxCols
predictedRows = len(items) / predictedCols + 1
return predictedRows
def SetData(self, map, maxRows = 8, fitClientSize = 0):
self.SetDataItems( map.items(), maxRows, fitClientSize)
def SetDataItems( self, items, maxRows = 8 , fitClientSize = 0):
self.GetTable().SetValue(0,0, 'AAAAAAAAAAAAAAAA')
if len(items) == 0:
items = [ [ 0, [""] ] ]
if fitClientSize :
predictedRows = self._getPredictedRows(items)
else:
predictedRows = maxRows
self.ClearGrid()
rows = []
cols = []
seqTypes = ( type([]), type( () ) )
for k,v in items:
if type(v) in seqTypes:
v = " ".join(v)
rows.append( (k,v) )
if len(rows) >= maxRows or ( fitClientSize and (len(rows) ) >= predictedRows ):
cols.append(rows)
rows = []
if rows <> []:
cols.append(rows)
table = self.GetTable()
self.BeginBatch()
table.DeleteCols( 0, table.GetNumberCols())
#table.DeleteRows( 1, table.GetNumberRows() )
table.AppendCols( len(cols))
r = len(cols[0]) - table.GetNumberRows()
if r < 0:
table.DeleteRows(0, -r)
else:
table.AppendRows(r)
y , x = 0, 0
for c in cols:
y = 0
for r in c:
table.SetValue(y, x, str(r[1]) )
y += 1
x += 1
self.AutoSizeColumns()
self.AutoSizeRows()
self.SetRowLabelSize( 1)
self.SetColLabelSize(1)
self.EndBatch()
self.col_rows = ( len(cols), predictedRows)
map = {}
for id, m in items:
map[id] = m
self.data = map
def GetData(self):
return self.data
if __name__ == "__main__":
app = wxPyWidgetTester(size = (400, 100))
app.SetWidget(MultiColumnList, -1)
app.MainLoop()
|
