some new dialogs and support files for new about and configuration implementations

Lib/idlelib/textView.py

@@ -0,0 +1,77 @@
+##---------------------------------------------------------------------------##
+##
+## idle - simple text view dialog 
+## elguavas
+## 
+##---------------------------------------------------------------------------##
+"""
+simple text browser for idle
+"""
+from Tkinter import *
+import tkMessageBox
+
+class TextViewer(Toplevel):
+  """
+  simple text viewer dialog for idle
+  """ 
+  def __init__(self,parent,title,fileName):
+    """
+    fileName - string,should be an absoulute filename
+    """
+    Toplevel.__init__(self, parent)
+    self.configure(borderwidth=5)
+    self.geometry("+%d+%d" % (parent.winfo_rootx()+10,
+        parent.winfo_rooty()+10))
+    #elguavas - config placeholders til config stuff completed
+    self.bg=None
+    self.fg=None
+
+    self.CreateWidgets()
+    self.title(title)
+    self.transient(parent)
+    self.grab_set()
+    self.protocol("WM_DELETE_WINDOW", self.Ok)
+    self.parent = parent
+    self.textView.focus_set()
+    #key bindings for this dialog
+    self.bind('<Return>',self.Ok) #dismiss dialog
+    self.bind('<Escape>',self.Ok) #dismiss dialog
+    self.LoadTextFile(fileName)
+    self.textView.config(state=DISABLED)
+    self.wait_window()
+    
+  def LoadTextFile(self, fileName):
+    textFile = None
+    try:
+      textFile = open(fileName, 'r')
+    except IOError:
+      tkMessageBox.showerror(title='File Load Error',
+          message='Unable to load file '+`fileName`+' .')
+    else:
+      self.textView.insert(0.0,textFile.read())
+    
+  def CreateWidgets(self):
+    frameText = Frame(self)
+    frameButtons = Frame(self)
+    self.buttonOk = Button(frameButtons,text='Ok',
+        command=self.Ok,takefocus=FALSE,default=ACTIVE)
+    self.scrollbarView = Scrollbar(frameText,orient=VERTICAL,
+        takefocus=FALSE,highlightthickness=0)
+    self.textView = Text(frameText,wrap=WORD,highlightthickness=0)
+    self.scrollbarView.config(command=self.textView.yview)
+    self.textView.config(yscrollcommand=self.scrollbarView.set)
+    self.buttonOk.pack(padx=5,pady=5)
+    self.scrollbarView.pack(side=RIGHT,fill=Y)
+    self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
+    frameButtons.pack(side=BOTTOM,fill=X)
+    frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
+    
+  def Ok(self, event=None):
+    self.destroy()
+
+if __name__ == '__main__':
+  #test the dialog
+  root=Tk()
+  Button(root,text='View',
+      command=lambda:TextViewer(root,'Text','./textView.py')).pack()
+  root.mainloop()