wxPython写的简易编辑器(原创)

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看了两天wxPython文档，作为练习简单做了一个简易的文本编辑器。有什么错误用法，希望一二，多谢!

呵呵，实现的功能是很简单的.（新建/打开/保存/另存/剪切/复制/粘贴/全选/删除^_^就这么多，算做simpleEditor beta1.0版吧。以后慢慢补充。）

python 代码:

# simpleEditor.py

#!/usr/bin/env python
#coding=utf-8

import wx
from wx.lib.wordwrap import wordwrap
import wx.richtext as rt
import os, sys

ID_NEW   =  wx.NewId()
ID_OPEN  =  wx.NewId()
ID_SAVE  =  wx.NewId()
ID_SAVEAS = wx.NewId()
ID_EXIT  =  wx.NewId()
ID_ABOUT =  wx.NewId()
ID_CUT   =  wx.NewId()
ID_COPY  =  wx.NewId()
ID_PASTE =  wx.NewId()
ID_SELECT = wx.NewId()
ID_CLEAR =  wx.NewId()

wildcard = "Python source (*.py)|*.py|"

class SimpleEditor(wx.Frame):

    cur_file = ''  # current operate file

    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, id, title, size=(1024, 768))

        #------------create text area--------------
        edit_area = wx.TextCtrl(self, -1, style=wx.TE_MULTILINE)
        self.text = edit_area
        wx.CallAfter(self.text.SetFocus)

        #------------create status bar-------------
        self.CreateStatusBar()
        self.SetStatusText('Here display operate status.')
        #------------create menubar----------------
        menubar = wx.MenuBar(wx.MB_DOCKABLE)
        #------------create menus------------------
        file = wx.Menu()
        edit = wx.Menu()
        help = wx.Menu()

        file.Append(ID_NEW, '&New\tCtrl+N', 'Create a new File')
        file.Append(ID_OPEN, '&Open\tCtrl+O', 'Open a File')
        file.Append(ID_SAVE, '&Save\tCtrl+S', 'Save a File')
        file.Append(ID_SAVEAS, '&Save As\tShift+Ctrl+S', 'Save as a File')
        file.AppendSeparator()
        file.Append(ID_EXIT, 'E&xit\tCtrl+W', 'Exit Current window')

        edit.Append(ID_CUT, '&Cut\tCtrl+X', 'Cut select text')
        edit.Append(ID_COPY, '&Copy\tCtrl+C', 'Copy select text')
        edit.Append(ID_PASTE, '&Paste\tCtrl+V', 'Paste clipboard text')
        edit.AppendSeparator()
        edit.Append(ID_SELECT, '&Select All\tCtrl+A', 'Select all')
        edit.Append(ID_CLEAR, '&Clear\tCtrl+D', 'delete select text')

        help.Append(ID_ABOUT, '&About Simple Editor', 'Simple Editor Message')
        menubar.Append(file, '&File')
        menubar.Append(edit, '&Edit')
        menubar.Append(help, '&Help')
        self.Bind(wx.EVT_MENU, self.OnOpen, id=ID_OPEN)
        self.Bind(wx.EVT_MENU, self.OnSave, id=ID_SAVE)
        self.Bind(wx.EVT_MENU, self.OnSaveAs, id=ID_SAVEAS)
        self.Bind(wx.EVT_MENU, self.OnExit, id=ID_EXIT)
        self.Bind(wx.EVT_MENU, self.OnAbout, id=ID_ABOUT)
        self.Bind(wx.EVT_MENU, self.OnCut, id=ID_CUT)
        self.Bind(wx.EVT_MENU, self.OnCopy, id=ID_COPY)
        self.Bind(wx.EVT_MENU, self.OnSelectAll, id=ID_SELECT)
        self.Bind(wx.EVT_MENU, self.OnClear, id=ID_CLEAR)
        self.Bind(wx.EVT_MENU, self.OnPaste, id=ID_PASTE)

        # set the menu bar
        self.SetMenuBar(menubar)
        #-------------------create tools bar-----------------------
        toolbar = self.CreateToolBar(wx.TB_HORIZONTAL | wx.NO_BORDER
                                 | wx.TB_FLAT | wx.TB_TEXT)
        toolbar.AddLabelTool(ID_NEW, '', wx.Bitmap('icons/new.gif'))
        toolbar.AddLabelTool(ID_OPEN, '', wx.Bitmap('icons/open.gif'))
        toolbar.AddLabelTool(ID_SAVE, '', wx.Bitmap('icons/save.gif'))

    #-------------------File menu event-------------------------
    def OnOpen(self, event):
        dlg = wx.FileDialog(
            self, message="Choose a file", defaultDir=os.getcwd(),
            defaultFile="", wildcard="All files (*.*)|*.*",
            style=wx.OPEN | wx.MULTIPLE | wx.CHANGE_DIR
            )
        if dlg.ShowModal() == wx.ID_OK:
            #paths = dlg.GetPaths()
            #print 'You selected files is %s:' % (paths)
            path = dlg.GetPath()
            if path: # open a file
                self.cur_file = path
                #self.text.SetValue(open(path,'r').read())
                self.text.LoadFile(path, rt.RICHTEXT_TYPE_TEXT)
        dlg.Destroy()

    def OnSave(self, event):
        cur_content = self.text.GetValue()
        if not self.cur_file:
            # if current file is new
            dlg = wx.FileDialog(
                self, message="Save file as ...", defaultDir=os.getcwd(),
                defaultFile="", wildcard="*.*", style=wx.SAVE
                )
            if dlg.ShowModal() == wx.ID_OK:
                self.cur_file = dlg.GetPath()
            else: pass
        if self.cur_file:
            fp = open(self.cur_file, 'w')
            fp.write(cur_content)
            fp.close()

    def OnSaveAs(self, event):
        dlg = wx.FileDialog(
            self, "Choose a filename", wildcard="All files (*.*)|*.*",
            style=wx.SAVE)
        if dlg.ShowModal() == wx.ID_OK:
            path = dlg.GetPath()
            if path:
                #self.text.SaveFile(path)
                self.cur_file = path
                fp = open(path, 'w')
                fp.write(self.text.GetValue())
                fp.close()
        dlg.Destroy()

    def OnExit(self, event):
        self.Close(True)
    #-------------------Edit menu event---------------------------
    def OnCut(self, event):
        # Cut select text
        self.text.Cut()

    def OnCopy(self, event):
        # copy select text
        self.text.Copy()

    def OnPaste(self, event):
        # paste clipboard text
        self.text.Paste()

    def OnSelectAll(self, event):
        # select all text
        self.text.SelectAll()

    def OnClear(self, event):
        # delete select text
        # self.text.Clear() is delete all text
        start,end = self.text.GetSelection()
        self.text.Remove(start, end)

    #-------------------Help menu event---------------------------
    def OnAbout(self, event):
        # First we create and fill the info object
        info = wx.AboutDialogInfo()
        info.Name = "Simple Editor"
        info.Version = "beta 1.0"
        info.Copyright = "(C) 2008 Programmers and Coders Everywhere"
        # copy from wxPython demo
        info.Description = wordwrap(
            "A \"hello world\" program is a software program that prints out "
            "\"Hello world!\" on a display device. It is used in many introductory "
            "tutorials for teaching a programming language."

            "\n\nSuch a program is typically one of the simplest programs possible "
            "in a computer language. A \"hello world\" program can be a useful "
            "sanity test to make sure that a language's compiler, development "
            "environment, and run-time environment are correctly installed.",
            350, wx.ClientDC(self))
        info.WebSite = ("http://www.bobo.com.cn", "BOBO VIDEO")
        info.Developers = ["Purpen"]
        # Then we call wx.AboutBox giving it that info object
        wx.AboutBox(info)

class RunApp(wx.App):
    def OnInit(self):
        win = SimpleEditor(None, 1, 'SimpleEditor')
        self.SetTopWindow(win)
        win.Show(True)
        return True  # can't forget

if __name__ == '__main__':
    RunApp().MainLoop()

下载可以直接在命令行下运行(当然，环境一定要支持)。

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