wxpython wx.grid 使用小技巧 【无法拖动列的内容 demo是可以的】
# -*- coding: cp936 -*-
import wx
import wx.grid
import wx.lib.gridmovers as gridmovers
import pymssql
connect=pymssql.connect(host='wxpython',user='sa',password='',database='THIS4_0807')
cursor=connect.cursor()
ascordesc=True
class LineupTable(wx.grid.PyGridTableBase):
def __init__(self,data,fields):
wx.grid.PyGridTableBase.__init__(self)
self.data=data
self.fields=fields
## self.dataTypes = [wx.grid.GRID_VALUE_STRING,
## wx.grid.GRID_VALUE_STRING,
## #gridlib.GRID_VALUE_CHOICE + ':only in a million years!,wish list,minor,normal,major,critical',
## #gridlib.GRID_VALUE_NUMBER + ':1,5',
## #gridlib.GRID_VALUE_CHOICE + ':all,MSW,GTK,other',
## #gridlib.GRID_VALUE_BOOL,
## #gridlib.GRID_VALUE_BOOL,
## #gridlib.GRID_VALUE_BOOL,
## wx.grid.GRID_VALUE_FLOAT + ':6,2',
## ]
#---Grid cell attributes
self.odd = wx.grid.GridCellAttr()
self.odd.SetBackgroundColour("grey")
self.odd.SetFont(wx.Font(8, wx.SWISS, wx.NORMAL, wx.BOLD))
self.even = wx.grid.GridCellAttr()
self.even.SetBackgroundColour("white")
self.even.SetFont(wx.Font(8, wx.SWISS, wx.NORMAL, wx.BOLD))
#---Mandatory constructors for grid
def GetNumberRows(self):
# if len(self.data)<10:
# rowcounts=10
#else:
#rowcounts=len(self.data)
return len(self.data)
def GetNumberCols(self):
return len(self.fields)
def GetColLabelValue(self, col):
return self.fields[col]
def IsEmptyCell(self, row, col):
if self.data[row][col] == "" or self.data[row][col] is None:
return True
else:
return False
# def GetValue(self, row, col):
# value = self.data[row][col]
# if value is not None:
# return value
# else:
# return ''
#
# def SetValue(self, row, col, value):
# #print col
# def innerSetValue(row, col, value):
# try:
# self.data[row][col] = value
# except IndexError:
# # add a new row
# self.data.append([''] * self.GetNumberCols())
# innerSetValue(row, col, value)
#
# # tell the grid we've added a row
# msg = gridlib.GridTableMessage(self, # The table
# gridlib.GRIDTABLE_NOTIFY_ROWS_APPENDED, # what we did to it
# 1 # how many
# )
#
# self.GetView().ProcessTableMessage(msg)
# innerSetValue(row, col, value)
def GetValue(self, row, col):
#id = self.fields[col]
return self.data[row][col]
def SetValue(self, row, col, value):
#id = self.fields[col]
self.data[row][col] = value
#--------------------------------------------------
# Some optional methods
# Called when the grid needs to display column labels
# def GetColLabelValue(self, col):
# #id = self.fields[col]
# return self.fields[col][0]
def GetAttr(self, row, col, kind):
attr = [self.even, self.odd][row % 2]
attr.IncRef()
return attr
def SortColumn(self, col,ascordesc):
"""
col -> sort the data based on the column indexed by col
"""
name = self.fields[col]
_data = []
for row in self.data:
#print row
#rowname, entry = row
_data.append((row[col], row))
_data.sort(reverse=ascordesc)
self.data = []
for sortvalue, row in _data:
self.data.append(row)
def AppendRow(self, row):#增加行
#print 'append'
entry = []
for name in self.fields:
entry.append('A')
self.data.append(tuple(entry ))
return True
def MoveColumn(self,frm,to):
grid = self.GetView()
if grid:
# Move the identifiers
old = self.fields[frm]
del self.fields[frm]
if to > frm:
self.fields.insert(to-1,old)
else:
self.fields.insert(to,old)
print self.fields
# Notify the grid
grid.BeginBatch()
msg = wx.grid.GridTableMessage(
self, wx.grid.GRIDTABLE_NOTIFY_COLS_INSERTED, to, 1
)
grid.ProcessTableMessage(msg)
msg = wx.grid.GridTableMessage(
self, wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED, frm, 1
)
grid.ProcessTableMessage(msg)
grid.EndBatch()
# Move the row
def MoveRow(self,frm,to):
grid = self.GetView()
if grid:
# Move the rowLabels and data rows
oldLabel = self.rowLabels[frm]
oldData = self.data[frm]
del self.rowLabels[frm]
del self.data[frm]
if to > frm:
self.rowLabels.insert(to-1,oldLabel)
self.data.insert(to-1,oldData)
else:
self.rowLabels.insert(to,oldLabel)
self.data.insert(to,oldData)
# Notify the grid
grid.BeginBatch()
msg = wx.grid.GridTableMessage(
self, wx.grid.GRIDTABLE_NOTIFY_ROWS_INSERTED, to, 1
)
grid.ProcessTableMessage(msg)
msg = wx.grid.GridTableMessage(
self, wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, frm, 1
)
grid.ProcessTableMessage(msg)
grid.EndBatch()
class DragableGrid(wx.grid.Grid):
def __init__(self, parent):
wx.grid.Grid.__init__(self, parent )
cursor.execute('select top 2 blh,hzxm,qrrq from JK_YSQR_DK ')
data = cursor.fetchall()
fields = [cursor.description[i][0] for i in range(len(cursor.description))]
table = LineupTable(data,fields)
self.SetTable(table, True)
#table = LineupTable()
# The second parameter means that the grid is to take ownership of the
# table and will destroy it when done. Otherwise you would need to keep
# a reference to it and call it's Destroy method later.
#self.SetTable(self.table, True)
# Enable Column moving
gridmovers.GridColMover(self)
self.Bind(gridmovers.EVT_GRID_COL_MOVE, self.OnColMove, self)
# Enable Row moving
gridmovers.GridRowMover(self)
self.Bind(gridmovers.EVT_GRID_ROW_MOVE, self.OnRowMove, self)
# Event method called when a column move needs to take place
def OnColMove(self,evt):
frm = evt.GetMoveColumn() # Column being moved
to = evt.GetBeforeColumn() # Before which column to insert
self.GetTable().MoveColumn(frm,to)
# Event method called when a row move needs to take place
def OnRowMove(self,evt):
frm = evt.GetMoveRow() # Row being moved
to = evt.GetBeforeRow() # Before which row to insert
self.GetTable().MoveRow(frm,to)
class MyFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, parent=None, id=-1, title='wx.grid.PyGridTableBase',size=(900,600))
#---Panel
#panel = wx.Panel(self, -1)
#---Buttons
self.btn_1hr = wx.Button(self, -1, "RUN", pos=(10, 10),size=(100,40))
self.Bind(wx.EVT_BUTTON, self.OnClick, self.btn_1hr)
self.btn_2hr = wx.Button(self, -1, "ADD", pos=(10, 35),size=(100,40))
self.Bind(wx.EVT_BUTTON, self.OnADD, self.btn_2hr)
self.btn_3hr = wx.Button(self, -1, "DELETE", pos=(10, 60),size=(100,40))
self.btn_4hr = wx.Button(self, -1, "INSERT", pos=(10, 85),size=(100,40))
box = wx.BoxSizer(wx.VERTICAL)
box.Add(self.btn_1hr, 1, wx.EXPAND,5)
box.Add(self.btn_2hr, 1, wx.EXPAND,5)
box.Add(self.btn_3hr, 1, wx.EXPAND,5)
box.Add(self.btn_4hr, 1, wx.EXPAND,5)
#---Grid
self.grid =DragableGrid(self)#, pos=(140, 0), size=(900,400))
self.grid.SetRowLabelSize(40)#设置行标签的宽度
self.Bind(wx.grid.EVT_GRID_LABEL_RIGHT_CLICK, self.OnLabelRightClick)
#self.Bind(wx.grid.EVT_GRID_RANGE_SELECT, self.OnRangeSelect)
box1 = wx.BoxSizer(wx.VERTICAL)
box1.Add(self.grid, 1, wx.GROW|wx.ALL)
cursor.execute('select top 2 blh,hzxm,qrrq from JK_YSQR_DK ')
data = cursor.fetchall()
fields = [cursor.description[i][0] for i in range(len(cursor.description))]
self.table = LineupTable(data,fields)
self.grid.SetTable(self.table, True)
#---Grid properties
self.grid.EnableEditing(True)#是否可以编辑
self.grid.SetDefaultCellAlignment(wx.ALIGN_LEFT, wx.ALIGN_RIGHT)#设置CELL的文本对齐方式
self.grid.SetSelectionBackground('red')
self.grid.EnableDragColSize(enable=True)#控制列宽是否可以拉动
self.grid.EnableDragRowSize(enable=True)#控制行高是否可以拉动
self.grid.SetLabelBackgroundColour((100, 200, 150))
self.grid.SetLabelTextColour((255, 255, 255))
#---Column Sizes
self.grid.AdjustScrollbars()
self.grid.Refresh()
Hbox = wx.BoxSizer(wx.HORIZONTAL)
Hbox.Add(box, 0, wx.EXPAND)
Hbox.Add(box1, 1, wx.EXPAND)
#Vbox = wx.BoxSizer(wx.VERTICAL)
#Vbox.Add(Hbox,0,wx.ALL|wx.EXPAND)
self.SetSizer(Hbox)
#self.Fit()
#self.grid.AutoSize()
#---Use below if want to size individual columns (index, size)
#---Also have SetRowSize
#grid.SetColSize(0, 150)
def Reset(self):
"""reset the view based on the data in the table. Call
this when rows are added or destroyed"""
self.table.ResetView(self)
def OnLabelRightClick(self, event):
global ascordesc,row, col
#self.SetStatusText('You Have Right-Clicked On Label "%s"!' % event.GetString())
row, col = event.GetRow(), event.GetCol()
#print row, col
self.table.SortColumn(col,ascordesc)
if ascordesc:
ascordesc=False
else:
ascordesc=True
self.grid.Refresh()
def OnADD(self,event):
#self.table.AppendRow(row)
#print (self.grid.SelectedRows)
self.table.AppendRow(row)
#self.grid.SetTable(self.table, True)
self.grid.ForceRefresh()
def OnClick(self, event):
cursor.execute('select top 5 id as "编码",name as "名称" ,cast(memo as numeric(12,2)) as "单价" from YY_SFDXMK where memo>0')
data1 = cursor.fetchall()
fields1 = [cursor.description[i][0] for i in range(len(cursor.description))]
self.table = LineupTable(data1,fields1)
self.grid.SetTable(self.table, True)
self.grid.EnableDragColSize(enable=True)
self.grid.EnableDragRowSize(enable=True)
#self.grid.AutoSize()
self.grid.AdjustScrollbars()
#self.grid.ForceRefresh()
self.grid.Refresh()
if __name__ == "__main__":
app = wx.PySimpleApp()
frame = MyFrame()
frame.Show()
app.MainLoop()
from:http://hi.baidu.com/wxpythondk/blog/item/b881426121b12842eaf8f84b.html