Generalized the scrolled list which is the base for the class and
method browser into a separate class in its own module.
This commit is contained in:
Guido van Rossum
parent
341d1fe18e
commit
e6fae1cbca
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@ -9,11 +9,15 @@ XXX TO DO:
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"""
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import os
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import string
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import pyclbr
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from Tkinter import *
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import tkMessageBox
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from ScrolledList import ScrolledList
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class ClassBrowser:
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def __init__(self, flist, name):
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@ -32,44 +36,62 @@ class ClassBrowser:
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self.root = root
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self.top = top = Toplevel(root)
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self.top.protocol("WM_DELETE_WINDOW", self.close)
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top.wm_title("Class browser")
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self.leftframe = leftframe = Frame(top)
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self.leftframe.pack(side="left", fill="both", expand=1)
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top.wm_title("Class browser")
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# Create help label
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self.helplabel = Label(leftframe,
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text="Classes in module %s" % name,
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borderwidth=2, relief="groove")
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self.helplabel = Label(leftframe, text="Module %s" % name,
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relief="groove", borderwidth=2)
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self.helplabel.pack(fill="x")
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# Create top frame, with scrollbar and listbox
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self.topframe = Frame(leftframe)
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self.topframe.pack(fill="both", expand=1)
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self.vbar = Scrollbar(self.topframe, name="vbar")
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self.vbar.pack(side="right", fill="y")
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self.listbox = Listbox(self.topframe, exportselection=0,
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takefocus=1, width=30)
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self.listbox.pack(expand=1, fill="both")
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# Tie listbox and scrollbar together
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self.vbar["command"] = self.listbox.yview
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self.listbox["yscrollcommand"] = self.vbar.set
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# Bind events to the list box
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self.listbox.bind("<ButtonRelease-1>", self.click_event)
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self.listbox.bind("<Double-ButtonRelease-1>", self.double_click_event)
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##self.listbox.bind("<ButtonPress-3>", self.popup_event)
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self.listbox.bind("<Key-Up>", self.up_event)
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self.listbox.bind("<Key-Down>", self.down_event)
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self.classviewer = ClassViewer(
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self.leftframe, self.flist, self)
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# Load the classes
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self.loadclasses(dict, name)
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self.load_classes(dict, name)
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def close(self):
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self.classviewer = None
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self.methodviewer = None
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self.top.destroy()
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def loadclasses(self, dict, module):
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def load_classes(self, dict, module):
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self.classviewer.load_classes(dict, module)
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if self.botframe:
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self.botframe.destroy()
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self.botframe = None
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self.methodviewer = None
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botframe = None
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methodhelplabel = None
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methodviewer = None
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def show_methods(self, cl):
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if not self.botframe:
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self.botframe = Frame(self.top)
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self.botframe.pack(side="right", expand=1, fill="both")
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self.methodhelplabel = Label(self.botframe,
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relief="groove", borderwidth=2)
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self.methodhelplabel.pack(fill="x")
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self.methodviewer = MethodViewer(self.botframe, self.flist)
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self.methodhelplabel.config(text="Class %s" % cl.name)
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self.methodviewer.load_methods(cl)
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class ClassViewer(ScrolledList):
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def __init__(self, master, flist, browser):
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ScrolledList.__init__(self, master)
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self.flist = flist
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self.browser = browser
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def load_classes(self, dict, module):
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self.clear()
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self.dict = dict
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items = []
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for key, value in dict.items():
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if value.module == module:
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items.append((value.lineno, key, value))
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items.sort()
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l = self.listbox
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for lineno, key, value in items:
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s = key
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if value.super:
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@ -80,133 +102,60 @@ class ClassBrowser:
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name = "%s.%s" % (sup.module, name)
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super.append(name)
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s = s + "(%s)" % string.join(super, ", ")
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l.insert("end", s)
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l.focus_set()
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l.selection_clear(0, "end")
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if self.botframe:
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self.botframe.destroy()
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self.botframe = None
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self.methodviewer = None
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self.append(s)
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def click_event(self, event):
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self.listbox.activate("@%d,%d" % (event.x, event.y))
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index = self.listbox.index("active")
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self.show_methods(index)
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def double_click_event(self, event):
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self.listbox.activate("@%d,%d" % (event.x, event.y))
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index = self.listbox.index("active")
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self.show_source(index)
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def up_event(self, event):
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index = self.listbox.index("active") - 1
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if index < 0:
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self.top.bell()
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return "break"
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self.show_methods(index)
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return "break"
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def down_event(self, event):
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index = self.listbox.index("active") + 1
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if index >= self.listbox.index("end"):
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self.top.bell()
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return "break"
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self.show_methods(index)
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return "break"
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def show_source(self, index):
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def getname(self, index):
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name = self.listbox.get(index)
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i = string.find(name, '(')
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if i >= 0:
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name = name[:i]
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cl = self.dict[name]
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return name
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def getclass(self, index):
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return self.dict[self.getname(index)]
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def on_select(self, index):
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self.show_methods(index)
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def on_double(self, index):
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self.show_source(index)
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def show_methods(self, index):
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cl = self.getclass(index)
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self.browser.show_methods(cl)
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def show_source(self, index):
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cl = self.getclass(index)
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if os.path.isfile(cl.file):
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edit = self.flist.open(cl.file)
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edit.gotoline(cl.lineno)
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botframe = None
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methodviewer = None
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def show_methods(self, index):
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self.listbox.selection_clear(0, "end")
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self.listbox.selection_set(index)
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self.listbox.activate(index)
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self.listbox.see(index)
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self.listbox.focus_set()
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name = self.listbox.get(index)
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i = string.find(name, '(')
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if i >= 0:
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name = name[:i]
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cl = self.dict[name]
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if not self.botframe:
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self.botframe = Frame(self.top)
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self.botframe.pack(expand=1, fill="both")
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if not self.methodviewer:
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self.methodviewer = MethodViewer(self.botframe, self.flist)
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self.methodviewer.loadmethods(cl)
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class MethodViewer(ScrolledList):
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class MethodViewer:
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# XXX There's a pattern emerging here...
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def __init__(self, frame, flist):
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self.frame = frame
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def __init__(self, master, flist):
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ScrolledList.__init__(self, master)
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self.flist = flist
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# Create help label
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self.helplabel = Label(frame,
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text="Methods", borderwidth=2, relief="groove")
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self.helplabel.pack(fill="x")
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# Create top frame, with scrollbar and listbox
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self.topframe = Frame(frame)
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self.topframe.pack(fill="both", expand=1)
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self.vbar = Scrollbar(self.topframe, name="vbar")
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self.vbar.pack(side="right", fill="y")
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self.listbox = Listbox(self.topframe, exportselection=0,
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takefocus=1, width=30)
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self.listbox.pack(expand=1, fill="both")
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# Tie listbox and scrollbar together
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self.vbar["command"] = self.listbox.yview
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self.listbox["yscrollcommand"] = self.vbar.set
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# Bind events to the list box
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self.listbox.bind("<ButtonRelease-1>", self.click_event)
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self.listbox.bind("<Double-ButtonRelease-1>", self.double_click_event)
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##self.listbox.bind("<ButtonPress-3>", self.popup_event)
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self.listbox.bind("<Key-Up>", self.up_event)
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self.listbox.bind("<Key-Down>", self.down_event)
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classinfo = None
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def loadmethods(self, cl):
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def load_methods(self, cl):
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self.classinfo = cl
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self.helplabel.config(text="Methods of class %s" % cl.name)
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l = self.listbox
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l.delete(0, "end")
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l.selection_clear(0, "end")
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self.clear()
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items = []
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for name, lineno in cl.methods.items():
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items.append((lineno, name))
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items.sort()
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for item, name in items:
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l.insert("end", name)
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self.append(name)
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def click_event(self, event):
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pass
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def double_click_event(self, event):
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self.listbox.activate("@%d,%d" % (event.x, event.y))
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index = self.listbox.index("active")
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self.show_source(index)
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def on_double(self, index):
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self.show_source(self.get(index))
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def up_event(self, event):
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pass
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def down_event(self, event):
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pass
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def show_source(self, index):
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name = self.listbox.get(index)
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i = string.find(name, '(')
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if i >= 0:
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name = name[:i]
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def show_source(self, name):
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if os.path.isfile(self.classinfo.file):
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edit = self.flist.open(self.classinfo.file)
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edit.gotoline(self.classinfo.methods[name])
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@ -0,0 +1,128 @@
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from Tkinter import *
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class ScrolledList:
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def __init__(self, master, **options):
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# Create top frame, with scrollbar and listbox
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self.master = master
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self.frame = frame = Frame(master)
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self.frame.pack(fill="both", expand=1)
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self.vbar = vbar = Scrollbar(frame, name="vbar")
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self.vbar.pack(side="right", fill="y")
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self.listbox = listbox = Listbox(frame, exportselection=0)
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if options:
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listbox.configure(options)
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listbox.pack(expand=1, fill="both")
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# Tie listbox and scrollbar together
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vbar["command"] = listbox.yview
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listbox["yscrollcommand"] = vbar.set
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# Bind events to the list box
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listbox.bind("<ButtonRelease-1>", self.click_event)
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listbox.bind("<Double-ButtonRelease-1>", self.double_click_event)
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listbox.bind("<ButtonPress-3>", self.popup_event)
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listbox.bind("<Key-Up>", self.up_event)
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listbox.bind("<Key-Down>", self.down_event)
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# Set the focus
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listbox.focus_set()
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def clear(self):
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self.listbox.delete(0, "end")
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def append(self, item):
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self.listbox.insert("end", str(item))
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def get(self, index):
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return self.listbox.get(index)
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def click_event(self, event):
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self.listbox.activate("@%d,%d" % (event.x, event.y))
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index = self.listbox.index("active")
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self.select(index)
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self.on_select(index)
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return "break"
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def double_click_event(self, event):
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index = self.listbox.index("active")
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self.select(index)
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self.on_double(index)
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return "break"
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menu = None
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def popup_event(self, event):
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if not self.menu:
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self.make_menu()
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menu = self.menu
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self.listbox.activate("@%d,%d" % (event.x, event.y))
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index = self.listbox.index("active")
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self.select(index)
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menu.tk_popup(event.x_root, event.y_root)
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def make_menu(self):
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menu = Menu(self.listbox, tearoff=0)
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self.menu = menu
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self.fill_menu()
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def up_event(self, event):
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index = self.listbox.index("active")
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if self.listbox.selection_includes(index):
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index = index - 1
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else:
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index = self.listbox.size() - 1
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if index < 0:
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self.listbox.bell()
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else:
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self.select(index)
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self.on_select(index)
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return "break"
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def down_event(self, event):
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index = self.listbox.index("active")
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if self.listbox.selection_includes(index):
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index = index + 1
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else:
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index = 0
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if index >= self.listbox.size():
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self.listbox.bell()
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else:
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self.select(index)
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self.on_select(index)
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return "break"
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def select(self, index):
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self.listbox.focus_set()
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self.listbox.activate(index)
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self.listbox.selection_clear(0, "end")
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self.listbox.selection_set(index)
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self.listbox.see(index)
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# Methods to override for specific actions
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def fill_menu(self):
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pass
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def on_select(self, index):
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pass
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def on_double(self, index):
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pass
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def test():
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root = Tk()
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root.protocol("WM_DELETE_WINDOW", root.destroy)
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class MyScrolledList(ScrolledList):
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def fill_menu(self): self.menu.add_command(label="pass")
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def on_select(self, index): print "select", self.get(index)
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def on_double(self, index): print "double", self.get(index)
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s = MyScrolledList(root)
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for i in range(30):
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s.append("item %02d" % i)
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return root
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def main():
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root = test()
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root.mainloop()
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if __name__ == '__main__':
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main()
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