| """ |
| a couple of classes for implementing partial tabbed-page like behaviour |
| """ |
| |
| from Tkinter import * |
| |
| class InvalidTabPage(Exception): pass |
| class AlreadyExists(Exception): pass |
| |
| class PageTab(Frame): |
| """ |
| a 'page tab' like framed button |
| """ |
| def __init__(self,parent): |
| Frame.__init__(self, parent,borderwidth=2,relief=RIDGE) |
| self.button=Radiobutton(self,padx=5,pady=5,takefocus=FALSE, |
| indicatoron=FALSE,highlightthickness=0, |
| borderwidth=0,selectcolor=self.cget('bg')) |
| self.button.pack() |
| |
| class TabPageSet(Frame): |
| """ |
| a set of 'pages' with TabButtons for controlling their display |
| """ |
| def __init__(self,parent,pageNames=[],**kw): |
| """ |
| pageNames - a list of strings, each string will be the dictionary key |
| to a page's data, and the name displayed on the page's tab. Should be |
| specified in desired page order. The first page will be the default |
| and first active page. |
| """ |
| Frame.__init__(self, parent, kw) |
| self.grid_location(0,0) |
| self.columnconfigure(0,weight=1) |
| self.rowconfigure(1,weight=1) |
| self.tabBar=Frame(self) |
| self.tabBar.grid(row=0,column=0,sticky=EW) |
| self.activePage=StringVar(self) |
| self.defaultPage='' |
| self.pages={} |
| for name in pageNames: |
| self.AddPage(name) |
| |
| def ChangePage(self,pageName=None): |
| if pageName: |
| if pageName in self.pages.keys(): |
| self.activePage.set(pageName) |
| else: |
| raise InvalidTabPage, 'Invalid TabPage Name' |
| ## pop up the active 'tab' only |
| for page in self.pages.keys(): |
| self.pages[page]['tab'].config(relief=RIDGE) |
| self.pages[self.GetActivePage()]['tab'].config(relief=RAISED) |
| ## switch page |
| self.pages[self.GetActivePage()]['page'].lift() |
| |
| def GetActivePage(self): |
| return self.activePage.get() |
| |
| def AddPage(self,pageName): |
| if pageName in self.pages.keys(): |
| raise AlreadyExists, 'TabPage Name Already Exists' |
| self.pages[pageName]={'tab':PageTab(self.tabBar), |
| 'page':Frame(self,borderwidth=2,relief=RAISED)} |
| self.pages[pageName]['tab'].button.config(text=pageName, |
| command=self.ChangePage,variable=self.activePage, |
| value=pageName) |
| self.pages[pageName]['tab'].pack(side=LEFT) |
| self.pages[pageName]['page'].grid(row=1,column=0,sticky=NSEW) |
| if len(self.pages)==1: # adding first page |
| self.defaultPage=pageName |
| self.activePage.set(self.defaultPage) |
| self.ChangePage() |
| |
| def RemovePage(self,pageName): |
| if not pageName in self.pages.keys(): |
| raise InvalidTabPage, 'Invalid TabPage Name' |
| self.pages[pageName]['tab'].pack_forget() |
| self.pages[pageName]['page'].grid_forget() |
| self.pages[pageName]['tab'].destroy() |
| self.pages[pageName]['page'].destroy() |
| del(self.pages[pageName]) |
| # handle removing last remaining, or default, or active page |
| if not self.pages: # removed last remaining page |
| self.defaultPage='' |
| return |
| if pageName==self.defaultPage: # set a new default page |
| self.defaultPage=\ |
| self.tabBar.winfo_children()[0].button.cget('text') |
| if pageName==self.GetActivePage(): # set a new active page |
| self.activePage.set(self.defaultPage) |
| self.ChangePage() |
| |
| if __name__ == '__main__': |
| #test dialog |
| root=Tk() |
| tabPage=TabPageSet(root,pageNames=['Foobar','Baz']) |
| tabPage.pack(expand=TRUE,fill=BOTH) |
| Label(tabPage.pages['Foobar']['page'],text='Foo',pady=20).pack() |
| Label(tabPage.pages['Foobar']['page'],text='Bar',pady=20).pack() |
| Label(tabPage.pages['Baz']['page'],text='Baz').pack() |
| entryPgName=Entry(root) |
| buttonAdd=Button(root,text='Add Page', |
| command=lambda:tabPage.AddPage(entryPgName.get())) |
| buttonRemove=Button(root,text='Remove Page', |
| command=lambda:tabPage.RemovePage(entryPgName.get())) |
| labelPgName=Label(root,text='name of page to add/remove:') |
| buttonAdd.pack(padx=5,pady=5) |
| buttonRemove.pack(padx=5,pady=5) |
| labelPgName.pack(padx=5) |
| entryPgName.pack(padx=5) |
| tabPage.ChangePage() |
| root.mainloop() |
| |