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pyGTK 列表刷新model

为了更友好的视觉体验,使用pygtk写了个列表刷新的GUI工具。列表刷新的比较常用的工具,性能监控、实时数据查看等都会用到。下面简单介绍使用方法:

需要传入的参数有:

title:标题

col:列名(list)

func_getdata:刷新数据的方法名(返回 list数据)

time:刷新间隔

length,height:长和高(int)

运行:

先定义列名与获取数据的方法get_data,然后实例化:

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()



#获取数据方法
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
#定义列名
col = [u'日期', u'时间', u'价值', u'空间']
#实例化
RefreshListview('test', col, get_data, ).main()
           

在windows上通过修改.py后缀为.pyw后缀,就可以双击运行(只显示UI不显示cmd)。