Mercurial > cpython-lru_cache-weakref

annotate Lib/idlelib/textView.py @ 79691:05c8928362ee

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Merge __next__ method link fixes with 3.3.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 12 Oct 2012 13:46:37 +0300
parents a949956a80cc
children 905e32ba16bf 7d69d04522e3
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1 """Simple text browser for IDLE
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2
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3 """
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4
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5 from tkinter import *
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6 import tkinter.messagebox as tkMessageBox
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7
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8 class TextViewer(Toplevel):
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9 """A simple text viewer dialog for IDLE
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10
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11 """
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12 def __init__(self, parent, title, text, modal=True):
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13 """Show the given text in a scrollable window with a 'close' button
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14
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15 """
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16 Toplevel.__init__(self, parent)
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17 self.configure(borderwidth=5)
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18 self.geometry("=%dx%d+%d+%d" % (625, 500,
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19 parent.winfo_rootx() + 10,
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20 parent.winfo_rooty() + 10))
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21 #elguavas - config placeholders til config stuff completed
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22 self.bg = '#ffffff'
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23 self.fg = '#000000'
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25 self.CreateWidgets()
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26 self.title(title)
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27 self.protocol("WM_DELETE_WINDOW", self.Ok)
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28 self.parent = parent
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29 self.textView.focus_set()
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30 #key bindings for this dialog
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31 self.bind('<Return>',self.Ok) #dismiss dialog
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32 self.bind('<Escape>',self.Ok) #dismiss dialog
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33 self.textView.insert(0.0, text)
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34 self.textView.config(state=DISABLED)
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35
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36 if modal:
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37 self.transient(parent)
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38 self.grab_set()
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39 self.wait_window()
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40
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41 def CreateWidgets(self):
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42 frameText = Frame(self, relief=SUNKEN, height=700)
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43 frameButtons = Frame(self)
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44 self.buttonOk = Button(frameButtons, text='Close',
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45 command=self.Ok, takefocus=FALSE)
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46 self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
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47 takefocus=FALSE, highlightthickness=0)
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48 self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
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49 fg=self.fg, bg=self.bg)
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50 self.scrollbarView.config(command=self.textView.yview)
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51 self.textView.config(yscrollcommand=self.scrollbarView.set)
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52 self.buttonOk.pack()
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53 self.scrollbarView.pack(side=RIGHT,fill=Y)
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54 self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
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55 frameButtons.pack(side=BOTTOM,fill=X)
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56 frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
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57
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58 def Ok(self, event=None):
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59 self.destroy()
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60
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61
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62 def view_text(parent, title, text, modal=True):
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63 return TextViewer(parent, title, text, modal)
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64
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65 def view_file(parent, title, filename, encoding=None, modal=True):
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66 try:
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67 with open(filename, 'r', encoding=encoding) as file:
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68 contents = file.read()
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69 except IOError:
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70 import tkinter.messagebox as tkMessageBox
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71 tkMessageBox.showerror(title='File Load Error',
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72 message='Unable to load file %r .' % filename,
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73 parent=parent)
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74 else:
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75 return view_text(parent, title, contents, modal)
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76
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77
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78 if __name__ == '__main__':
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79 #test the dialog
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80 root=Tk()
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81 root.title('textView test')
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82 filename = './textView.py'
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83 text = file(filename, 'r').read()
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84 btn1 = Button(root, text='view_text',
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85 command=lambda:view_text(root, 'view_text', text))
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86 btn1.pack(side=LEFT)
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87 btn2 = Button(root, text='view_file',
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88 command=lambda:view_file(root, 'view_file', filename))
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89 btn2.pack(side=LEFT)
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90 btn3 = Button(root, text='nonmodal view_text',
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91 command=lambda:view_text(root, 'nonmodal view_text', text,
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92 modal=False))
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93 btn3.pack(side=LEFT)
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94 close = Button(root, text='Close', command=root.destroy)
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95 close.pack(side=RIGHT)
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96 root.mainloop()