為了更友好的視覺體驗,使用pygtk寫了個清單重新整理的GUI工具。清單重新整理的比較常用的工具,性能監控、實時資料檢視等都會用到。下面簡單介紹使用方法:
需要傳入的參數有:
title:标題
col:列名(list)
func_getdata:重新整理資料的方法名(傳回 list資料)
time:重新整理間隔
length,height:長和高(int)
運作:
先定義列名與擷取資料的方法get_data,然後執行個體化:
RefreshListview(‘test’,col, get_data, 3,350,250).main()
demo code:
# coding:GBK
import gtk
import gobject
class RefreshListview(gtk.Window):
def __init__(self, title, col, func_getdata, time=, length=, height=):
super(RefreshListview, self).__init__()
self.set_size_request(length, height)
self.set_position(gtk.WIN_POS_CENTER)
self.connect("destroy", gtk.main_quit)
self.set_title(title)
self.col = col
self.func_getdata = func_getdata
vbox = gtk.VBox(False, )
sw = gtk.ScrolledWindow()
sw.set_shadow_type(gtk.SHADOW_ETCHED_IN)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vbox.pack_start(sw, True, True, )
args = []
for i in range(len(col)):
args.append(str)
self.store = gtk.ListStore(*args)
result = self.func_getdata()
for res in result:
self.store.append(res)
treeView = gtk.TreeView(self.store)
sw.add(treeView)
self.create_columns(treeView)
self.add(vbox)
gobject.timeout_add(time * , self.refresh_view)
self.show_all()
def create_columns(self, treeView):
for i in range(len(self.col)):
rendererText = gtk.CellRendererText()
column = gtk.TreeViewColumn(self.col[i], rendererText, text=i)
column.set_sort_column_id(i)
treeView.append_column(column)
def refresh_view(self):
print 'refreshing...'
self.store.clear()
result = self.func_getdata()
for res in result:
self.store.append(res)
return True
def main(self):
gtk.main()
#擷取資料方法
import random
def get_data():
result = []
try:
for i in range(, ):
result.append((random.randint(, ),
random.randint(, ),
random.randint(, ),
random.randint(, ),
))
except Exception, e:
print e
result.append((-, -, -, -, -))
return result
#定義列名
col = [u'日期', u'時間', u'價值', u'空間']
#執行個體化
RefreshListview('test', col, get_data, ).main()
在windows上通過修改.py字尾為.pyw字尾,就可以輕按兩下運作(隻顯示UI不顯示cmd)。