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python模拟IG报文发送界面--Apple的学习笔记

python模拟IG报文发送界面--Apple的学习笔记

作者: applecai | 来源:发表于2020-05-25 22:08 被阅读0次

    python GUI ttk库 -- Apple的学习笔记里面我提到还要学习下treeview控件,已经入门并且找到了after方法可以进行周期更新。另外觉得布局不方便,今天找到了布局的解决方案,可以用frame一个个group打包,此时可以用pack。然后在frame内可以用grid进行各个子控件的位置处理。按这样的分类及分层管理,几百个控件的布局都没问题,哈哈~
    做了个雏形,进行可行性调研摸底,还算是顺利!

    image.png
    动态效果
    IG.gif
    源码
    from tkinter import *
    from tkinter.ttk import *
    from tkinter.messagebox import *
    class IGBox():
        """use a ttk.TreeView as a multicolumn ListBox"""
        def __init__(self,table_header = None,table_list = None):
            self.table_header = table_header
            self.table_list = table_list
            self.tree = None
            self.txtTag = []
            self.varlist=[]
            self._setup_widgets()
            self._build_tree()
    
    
        def _setup_widgets(self):
            self.container = Frame()
            self.container.pack(side=TOP,fill='both')
            self.containerInfo = Frame()
            self.containerInfo.pack(side=BOTTOM,fill=X)   # fill X is important
            # create a treeview with dual scrollbars
            self.tree = Treeview(self.container,columns=self.table_header, show="headings")
            self.tree.grid(column=0, row=0,padx=5)
            self.vsb = Scrollbar(self.container,orient="vertical",
                command=self.tree.yview)
            self.hsb = Scrollbar(self.container,orient="horizontal",
                command=self.tree.xview)
            self.vsb.grid(column=1, row=0, sticky='ns')
            self.hsb.grid(column=0, row=1, sticky='ew')
    
            Button(self.containerInfo, text="send",width=5, command=self.update_table).grid(row=1, column=3, sticky='w')
            self.checkVar = StringVar(value="0")
            self.cycle = Checkbutton(self.containerInfo, text="cycle", variable=self.checkVar,command = self.cyclechange)
            self.cycle.grid(row=1,column=5,sticky=W)
            self.cyctimer = Entry(self.containerInfo, width=5)
            self.cyctimer.grid(row=1, column=6, sticky=E,pady=5)
            # label settings
            for index, lbitem in enumerate(("ID","LEN","DATA")):
                tempwidth = 5
                if(lbitem == "DATA"):
                    tempwidth = 20
                self.tag = Label(self.containerInfo,text=lbitem,width=tempwidth)
                self.tag.grid(row=0,column=index,sticky=W,padx=5)
            # text settings
            for index in range(0,3):
                tempwidth = 5
                if(index == 2):
                    tempwidth = 20
                self.txtTag.append("txt_" + str(index))  # save obj name to list
                self.txtTag[index] = Entry(self.containerInfo,width=tempwidth)
                self.txtTag[index].grid(row=1, column=index, sticky=E,pady=5,padx=5)  # position
    
        def cyclechange(self):
            print(self.checkVar.get())
            if(self.checkVar.get()=="1"):
                self.get_data()
                self.tree.insert('', 'end', values=(self.varlist))
                self.varlist.clear()
                self.tree.after(self.cyctimer.get(), self.cyclechange)
    
        def _build_tree(self):
            for col in self.table_header:
                self.tree.heading(col, text=col.title())
                self.tree.column(col, width=80)
            self.tree.column('DATA', width=200)
    
            for item in self.table_list:
                self.tree.insert('', 'end', values=item)
    
        def _rebuild_tree(self):
            self.tree.configure(columns=self.table_header)
            self._build_tree()
    
        def get_data(self):
            for index in range(0, 3):
                var=self.txtTag[index].get()
                print(var)
                if(len(var)<=0):
                    showinfo(title='Info', message="Wrong input!")
                    return
                else:
                    self.varlist.append(var)
    
        def update_table(self):
            self.get_data()
            self.tree.insert('', 'end', values=(self.varlist))
            self.varlist.clear()
    
    if __name__ == "__main__" :
        car_header = ['ID', 'LEN','DATA']
        car_list = [
            ('0x100', '8',"01 02 03 04 05 06 07 08") ,
            ('0x111', '8',"11 22 33 44 55 66 77 88")
        ]
        root = Tk()
        root.title("IG Sim")
        root.geometry('420x300')
        IGBox(table_header=car_header,table_list=car_list)
        root.mainloop()
    

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