Python urwid.GridFlow() Examples

def get_form_buttons(self, defaultdata=None, create=False):
        ok = urwid.Button("OK")
        urwid.connect_signal(ok, 'click', self._ok, defaultdata)
        ok = AM(ok, 'selectable', 'butfocus')
        cancel = urwid.Button("Cancel")
        urwid.connect_signal(cancel, 'click', self._cancel)
        cancel = AM(cancel, 'selectable', 'butfocus')
        l = [ok, cancel]
        if create:
            ok_edit = urwid.Button("OK and Edit")
            urwid.connect_signal(ok_edit, 'click', self._ok_and_edit, defaultdata)
            ok_edit = AM(ok_edit, 'selectable', 'butfocus')
            l = [ok, ok_edit, cancel]
        else:
            l = [ok, cancel]
        butgrid = urwid.GridFlow(l, 15, 3, 1, 'center')
        return urwid.Pile([urwid.Divider(), butgrid ], focus_item=1) 

def buildFrame(self, board):
        '''returns the board widget'''

        threadButtonList = []

        for title, l, s, c, t  in self.titles.items():
            if self.uFilter:
                if re.search(self.uFilter.lower(), title.lower()):
                    threadButton = urwid.Button(str(l), self.changeFrameThread)
                    threadInfo = urwid.Text(self.info_text.format(str(s),str(c)))
                    threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                    threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))
            else:
                threadButton = urwid.Button(str(l), self.changeFrameThread)
                threadInfo = urwid.Text(self.info_text.format(str(s),str(c)))
                threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))

        self.parsedItems = len(threadButtonList)
        catalogueButtons = urwid.GridFlow(threadButtonList, 30, 2, 2, 'center')
        listbox = urwid.ListBox(urwid.SimpleListWalker([catalogueButtons]))

        self.uvm.itemCount = len(threadButtonList)
        return [listbox] 

def __init__(self, controller: Any, question: Any,
                 success_callback: Callable[[], bool]):
        self.controller = controller
        self.success_callback = success_callback
        yes = urwid.Button('Yes', self.exit_popup_yes)
        no = urwid.Button('No', self.exit_popup_no)
        yes._w = urwid.AttrMap(urwid.SelectableIcon(
            'Yes', 4), None, 'selected')
        no._w = urwid.AttrMap(urwid.SelectableIcon(
            'No', 4), None, 'selected')
        display_widget = urwid.GridFlow([yes, no], 3, 5, 1, 'center')
        wrapped_widget = urwid.WidgetWrap(display_widget)
        prompt = urwid.LineBox(
            urwid.ListBox(
                urwid.SimpleFocusListWalker(
                    [question, urwid.Divider(), wrapped_widget]
                )))
        urwid.Overlay.__init__(self, prompt, self.controller.view,
                               align="left", valign="top",
                               width=self.controller.view.LEFT_WIDTH + 1,
                               height=8) 

def buildFrame(self):
        boardButtons = []
        for subreddit in self.subredditList:
            subreddit = '/r/' + subreddit if not subreddit.startswith('/r/') else subreddit
            if self.uFilter:
                if self.uFilter.lower() in subreddit.lower():
                    boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(subreddit, self.changeFrameBoard), 'center')))
            else:
                boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(subreddit, self.changeFrameBoard), 'center')))

        self.parsedItems = len(boardButtons)
        width = len(max(self.subredditList, key=len))
        buttonGrid = urwid.GridFlow(boardButtons, width + 9, 2, 2, 'center') # add 9 to width to account for widget padding
        listbox_content = [buttonGrid]

        return urwid.ListBox(urwid.SimpleListWalker(listbox_content)) 

def buildFrame(self, board):
        '''returns the board widget'''

        threadButtonList = []

        for threadNumber, threadInfo in self.threadsDict.items():
            title = str(threadInfo[0]).replace('-', ' ')
            if self.uFilter:
                if re.search(self.uFilter.lower(), title.lower()):
                    threadButton = urwid.Button(str(threadNumber), self.changeFrameThread)
                    threadInfo = urwid.Text(self.info_text.format(str(threadInfo[1]),str(threadInfo[2])))
                    threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                    threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))
            else:
                threadButton = urwid.Button(str(threadNumber), self.changeFrameThread)
                threadInfo = urwid.Text(self.info_text.format(str(threadInfo[1]), str(threadInfo[2])))
                threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))

        self.parsedItems = len(threadButtonList)
        catalogueButtons = urwid.GridFlow(threadButtonList, 30, 2, 2, 'center')
        listbox = urwid.ListBox(urwid.SimpleListWalker([catalogueButtons]))

        self.uvm.itemCount = len(threadButtonList)
        return urwid.Pile([listbox]) 

def init_footer(listbox):
    connect_button = FooterButton(u"\u23ce", "Connect", "enter", lambda button: button.on_click(listbox.get_focus()))
    sshkey_button = FooterButton("F3", "Copy SSH Key", "f3", lambda button: button.on_click(listbox.get_focus()))
    mc_button = FooterButton("F5", "Browse", "f5", lambda button: button.on_click(listbox.get_focus()))
    add_folder_button = FooterButton("F6", "New Folder", "f6", lambda button: button.on_click(listbox.get_focus()))
    add_button = FooterButton("F7", "New Conn.", "f7", lambda button: button.on_click(listbox.get_focus()))
    delete_button = FooterButton("F8", "Remove", "f8", lambda button: button.on_click(listbox.get_focus()))
    edit_button = FooterButton("F9", "Edit", "f9", lambda button: button.on_click(listbox.get_focus()))
    quit_button = FooterButton("Q", "Quit", "q", lambda button: button.on_click(listbox.get_focus()))
    # TODO keys that dont depend on selected node should be handled differently

    return urwid.GridFlow([connect_button,
                           sshkey_button,
                           mc_button,
                           # TODO join add buttons to one
                           add_folder_button,
                           add_button,
                           delete_button,
                           edit_button,
                           quit_button], 18, 1, 0, 'center') 

def build(self):
        menulist = []
        # big title
        bt = urwid.BigText("Storage Editor", urwid.HalfBlock5x4Font())
        bt = urwid.Padding(bt, "center", None)
        # primary tables for editing
        self.primlist = [TableItemWidget(s) for s in self._PRIMARY_TABLES]
        for b in self.primlist:
            urwid.connect_signal(b, 'activate', self._select)
        pmenu = urwid.GridFlow(self.primlist, 20, 2, 1, "left")
        # heading blurbs
        subhead = urwid.AttrMap(urwid.Text("Select an object type to view or edit."), "subhead")
        supportsubhead = urwid.AttrMap(urwid.Text("Select a supporting object to view or edit."), "subhead")
        # secondary/support tables
        self.seclist = [TableItemWidget(s) for s in self._SUPPORT_TABLES]
        for b in self.seclist:
            urwid.connect_signal(b, 'activate', self._select)
        smenu = urwid.GridFlow(self.seclist, 25, 1, 0, "left")
        divider = urwid.Divider("-", top=1, bottom=1)
        menulist = [bt, divider, subhead, pmenu, divider, supportsubhead, smenu]
        listbox = urwid.ListBox(urwid.SimpleListWalker(menulist))
        return urwid.Frame(listbox) 

def build(self):
        # buttons
        done = urwid.Button("Done")
        urwid.connect_signal(done, 'click', self._done_multiselect)
        done = urwid.AttrWrap(done, 'selectable', 'butfocus')
        add = urwid.Button("Add New")
        urwid.connect_signal(add, 'click', self._add_new)
        add = urwid.AttrWrap(add, 'selectable', 'butfocus')
        cancel = urwid.Button("Cancel")
        urwid.connect_signal(cancel, 'click', self._cancel)
        cancel = urwid.AttrWrap(cancel, 'selectable', 'butfocus')
        # footer and header
        header = urwid.GridFlow([done, add, cancel], 15, 3, 1, 'center')
        footer = urwid.Padding(urwid.Text(
            ("popup", "Tab to button box to select buttons. Arrow keys transfer selection.")))
        body = self._build_body()
        return urwid.Frame(body, header=header, footer=footer, focus_part="body") 

def build(self):
        showeq = urwid.Text(self._testequipment.equipment.name)
        maxlen = 0
        uutcb = urwid.CheckBox("DUT/UUT", state=self._testequipment.UUT)
        urwid.connect_signal(uutcb, 'change', self._uut_select)
        blist = [AM(uutcb, "important")]
        for role in self._roles:
            label = str(role)
            maxlen = max(len(label), maxlen)
            state = role in self._testequipment.roles
            but = urwid.CheckBox(str(role), state=state)
            urwid.connect_signal(but, 'change', self._multi_select, role)
            blist.append(but)
        roleboxes = urwid.Padding(urwid.GridFlow(blist, maxlen+4, 1, 0, "left"))
    #    # buttons
        ok, cancel = self.get_form_buttons()
        buts = urwid.Columns([(10, ok), (10, cancel)], dividechars=1, focus_column=0)
        div = urwid.Divider()
        return urwid.ListBox(urwid.SimpleListWalker([AM(showeq, "flagged"), div, roleboxes, div, buts])) 

def build(self):
        self._showeq = urwid.Text("")
        eqi = self._create_equipment_input()
        maxlen = 0
        uutcb = urwid.CheckBox("DUT/UUT", state=False)
        urwid.connect_signal(uutcb, 'change', self._uut_select)
        blist = [AM(uutcb, "important")]
        for role in self._roles:
            label = str(role)
            maxlen = max(len(label), maxlen)
            but = urwid.CheckBox(str(role), state=False)
            urwid.connect_signal(but, 'change', self._multi_select, role)
            blist.append(but)
        roleboxes = urwid.Padding(urwid.GridFlow(blist, maxlen+4, 1, 0, "left"))
        # buttons
        ok, cancel = self.get_form_buttons()
        buts = urwid.Columns([(10, ok), (10, cancel)], dividechars=1, focus_column=0)
        return urwid.ListBox(urwid.SimpleListWalker([eqi, AM(self._showeq, "flagged"), roleboxes, buts])) 

def __init__(self, model, metadata, value, legend=None):
        blist = []
        glist = []
        maxl = 0
        enumtype = getattr(types, metadata.coltype)
        if value is None:
            value = enumtype.get_default()
        for num, name in enumtype.get_choices():
            maxl = max(maxl, len(name))
            b = urwid.RadioButton(blist, name, False, user_data=num)
            b.value = num
            glist.append(AM(b, 'enumbuttn','buttnf'))
        # set the right value
        for b in blist:
            if b.value == value:
                b.state = True
        self.wid = urwid.GridFlow(glist, maxl+4, 1, 0, 'left')
        self.blist = blist
        self.__super.__init__(self._col_creator(metadata, self.wid, legend)) 

def __init__(self, model, metadata, value, legend=None):
        blist = []
        glist = []
        maxl = 0
        for num, name in types.ValueType.get_choices():
            maxl = max(maxl, len(name))
            b = urwid.RadioButton(blist, name, False, user_data=num)
            b.value = num
            glist.append(AM(b, 'enumbuttn','buttnf'))
        # set the right value
        for b in blist:
            if b.value == value:
                b.state = True
        self.wid = urwid.GridFlow(glist, maxl+4, 1, 0, 'left')
        self.blist = blist
        self.__super.__init__(self._col_creator(metadata, self.wid, legend)) 

def test_focus_path(self):
        # big tree of containers
        t = urwid.Text(u'x')
        e = urwid.Edit(u'?')
        c = urwid.Columns([t, e, t, t])
        p = urwid.Pile([t, t, c, t])
        a = urwid.AttrMap(p, 'gets ignored')
        s = urwid.SolidFill(u'/')
        o = urwid.Overlay(e, s, 'center', 'pack', 'middle', 'pack')
        lb = urwid.ListBox(urwid.SimpleFocusListWalker([t, a, o, t]))
        lb.focus_position = 1
        g = urwid.GridFlow([t, t, t, t, e, t], 10, 0, 0, 'left')
        g.focus_position = 4
        f = urwid.Frame(lb, header=t, footer=g)

        self.assertEqual(f.get_focus_path(), ['body', 1, 2, 1])
        f.set_focus_path(['footer']) # same as f.focus_position = 'footer'
        self.assertEqual(f.get_focus_path(), ['footer', 4])
        f.set_focus_path(['body', 1, 2, 2])
        self.assertEqual(f.get_focus_path(), ['body', 1, 2, 2])
        self.assertRaises(IndexError, lambda: f.set_focus_path([0, 1, 2]))
        self.assertRaises(IndexError, lambda: f.set_focus_path(['body', 2, 2]))
        f.set_focus_path(['body', 2]) # focus the overlay
        self.assertEqual(f.get_focus_path(), ['body', 2, 1]) 

def show(self, loop):
        # Header
        header_text = urwid.Text('Select Public SSH Key to Copy', align='center')
        header = urwid.AttrMap(header_text, 'dialog')

        cancel_btn = urwid.Button('Cancel', self.on_cancel)
        cancel_btn = urwid.AttrWrap(cancel_btn, 'dialog_button', 'dialog_button_focus')

        footer = urwid.GridFlow([cancel_btn], 12, 1, 1, 'center')

        list_box = urwid.BoxAdapter(SSHListBox(on_enter=self.on_copy, body=self.ssh_keys_walker), 5)

        body = urwid.Filler(
            urwid.Pile([list_box, footer])
        )

        # Layout
        layout = urwid.Frame(
            body=body,
            header=header)

        layout = urwid.AttrWrap(layout, 'dialog')

        w = DialogOverlay(
            on_close=lambda: self.on_close(),
            on_enter=self.on_copy,
            top_w=urwid.AttrMap(urwid.LineBox(layout), "dialog"),
            bottom_w=loop.widget,
            align='center',
            width=40,
            valign='middle',
            height=10
        )

        loop.widget = w 

def button_row(button_list, align='right'):

    buttons = []                            # list of tuples - label, callback
    for button in button_list:
        buttons.append(urwid.AttrMap(
                         MyButton(label=button[0], on_press=button[1]),
                       'buttn', 'buttnf'))

    return urwid.Padding(urwid.GridFlow(buttons, 12, 4, 0, align=align),
                         left=2, right=2) 

def ui_button(label='Next', align='right', callback=None):
    btn_size = len(label) + 4
    return urwid.Padding(
             urwid.GridFlow([
               urwid.AttrMap(
                 MyButton(label=label, on_press=callback),
                 'buttn', 'buttnf')],
               btn_size, 4, 0, align=align),
             left=2, right=2) 

def buildThread(self):
        self.postWidgetDict = {}

        for p in self.comments:
            self.postReplyDict[str(p.userIden)] = []

            commentWidget = self.notBrainletCommentTagParser(p)

            if self.uFilter:
                if self.uFilter.lower() in p.content.lower():
                    self.postWidgetDict[p.userIden] = commentWidget
            else:
                self.postWidgetDict[p.userIden] = commentWidget

        postWidgetList = []
        for pNum, pWidget in self.postWidgetDict.items():
            if pNum in self.postReplyDict:
                buttonReplyList = [urwid.AttrWrap(QuoteButton(str(r), self.uvm), 'quote') for r in self.postReplyDict[pNum]]
                pWidget.append(urwid.Text('Replies: '))
                pWidget.append(urwid.GridFlow(buttonReplyList, len(str(pNum)) + 4, 0, 0, 'left'))
                # pWidget.append(urwid.Text('Replies: ' + str(self.postReplyDict[pNum])))
            postWidgetList.append(urwid.LineBox(urwid.Pile(pWidget)))

        self.parsedItems = len(self.comments)


        listbox_content = postWidgetList
        listbox = urwid.ListBox(urwid.SimpleListWalker(listbox_content))

        return listbox 

def test_cell_width(self):
        gf = urwid.GridFlow([], 5, 0, 0, 'left')
        self.assertEqual(gf.cell_width, 5) 

def test_basics(self):
        repr(urwid.GridFlow([], 5, 0, 0, 'left')) # should not fail 

def test_v_sep(self):
        gf = urwid.GridFlow([urwid.Text("test")], 10, 3, 1, "center")
        self.assertEqual(gf.rows((40,), False), 1) 

def test_grid_flow(self):
        gf = urwid.GridFlow([], 5, 1, 0, 'left')
        self.assertEqual(gf.focus, None)
        self.assertEqual(gf.contents, [])
        self.assertRaises(IndexError, lambda: getattr(gf, 'focus_position'))
        self.assertRaises(IndexError, lambda: setattr(gf, 'focus_position',
            None))
        self.assertRaises(IndexError, lambda: setattr(gf, 'focus_position', 0))
        self.assertEqual(gf.options(), ('given', 5))
        self.assertEqual(gf.options(width_amount=9), ('given', 9))
        self.assertRaises(urwid.GridFlowError, lambda: gf.options(
            'pack', None))

        t1 = urwid.Text(u'one')
        t2 = urwid.Text(u'two')
        gf = urwid.GridFlow([t1, t2], 5, 1, 0, 'left')
        self.assertEqual(gf.focus, t1)
        self.assertEqual(gf.focus_position, 0)
        self.assertEqual(gf.contents, [(t1, ('given', 5)), (t2, ('given', 5))])
        gf.focus_position = 1
        self.assertEqual(gf.focus, t2)
        self.assertEqual(gf.focus_position, 1)
        gf.contents.insert(0, (t2, ('given', 5)))
        self.assertEqual(gf.focus_position, 2)
        self.assertRaises(urwid.GridFlowError, lambda: gf.contents.append(()))
        self.assertRaises(urwid.GridFlowError, lambda: gf.contents.insert(1,
            (t1, ('pack', None))))
        gf.focus_position = 0
        self.assertRaises(IndexError, lambda: setattr(gf, 'focus_position', -1))
        self.assertRaises(IndexError, lambda: setattr(gf, 'focus_position', 3))
        # old methods:
        gf.set_focus(0)
        self.assertRaises(IndexError, lambda: gf.set_focus(-1))
        self.assertRaises(IndexError, lambda: gf.set_focus(3))
        gf.set_focus(t1)
        self.assertEqual(gf.focus_position, 1)
        self.assertRaises(ValueError, lambda: gf.set_focus('nonexistant')) 

def buildFrame(self, board):
        '''returns the board widget'''

        threadButtonList = []

        for title, threadInfo in self.titles.items():
            if title == 'Next':
                if not self.uFilter:
                    subButton = urwid.Button(str(threadInfo[0]), self.changeSubPage)
                    threadButtonList.append(urwid.LineBox(urwid.Pile([subButton, urwid.Divider('-'), urwid.Text(threadInfo[1])])))
                continue
            title = title.replace('-', ' ')
            if self.uFilter:
                if re.search(self.uFilter.lower(), title.lower()):
                    threadButton = urwid.Button(str(threadInfo[0]), self.changeFrameThread)
                    threadInfo = urwid.Text(self.info_text.format(str(threadInfo[1]),str(threadInfo[2])))
                    threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                    threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))
            else:
                threadButton = urwid.Button(str(threadInfo[0]), self.changeFrameThread)
                threadInfo = urwid.Text(self.info_text.format(str(threadInfo[1]), str(threadInfo[2])))
                threadList = [threadButton, urwid.Divider('-'), urwid.Divider(), urwid.Text(title), urwid.Divider(), urwid.Divider('-'), threadInfo]
                threadButtonList.append(urwid.LineBox(urwid.Pile(threadList)))

        self.parsedItems = len(threadButtonList)
        catalogueButtons = urwid.GridFlow(threadButtonList, 30, 2, 2, 'center')
        listbox = urwid.ListBox(urwid.SimpleListWalker([catalogueButtons]))

        self.uvm.itemCount = len(threadButtonList)
        return [listbox] 

def buildFrame(self):
        boardButtons = []
        for story in self.storyList:
            if self.uFilter:
                if self.uFilter.lower() in story.lower():
                    boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(story, self.changeFrameBoard), 'center')))
            else:
                boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(story, self.changeFrameBoard), 'center')))

        self.parsedItems = len(boardButtons)
        width = len(max(self.storyList, key=len))
        buttonGrid = urwid.GridFlow(boardButtons, width + 9, 2, 2, 'center') # add 9 to width to account for widget padding
        listbox_content = [buttonGrid]

        return urwid.ListBox(urwid.SimpleListWalker(listbox_content)) 

def buildFrame(self):
        boardButtons = []
        for story in self.storyList:
            if self.uFilter:
                if self.uFilter.lower() in story.lower():
                    boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(story, self.changeFrameBoard), 'center')))
            else:
                boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(story, self.changeFrameBoard), 'center')))

        self.parsedItems = len(boardButtons)
        width = len(max(self.storyList, key=len))
        buttonGrid = urwid.GridFlow(boardButtons, width + 9, 2, 2, 'center') # add 9 to width to account for widget padding
        listbox_content = [buttonGrid]

        return urwid.ListBox(urwid.SimpleListWalker(listbox_content)) 

def buildFrame(self):
        boardButtons = []
        for board in self.boardList:
            if self.uFilter:
                if self.uFilter.lower() in board.lower():
                    boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(board, self.changeFrameBoard), 'center')))
            else:
                boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(board, self.changeFrameBoard), 'center')))

        self.parsedItems = len(boardButtons)
        buttonGrid = urwid.GridFlow(boardButtons, 12, 2, 2, 'center')
        listbox_content = [buttonGrid]

        return urwid.ListBox(urwid.SimpleListWalker(listbox_content)) 

def buildFrame(self):
        boardButtons = []
        for board in self.boardList:
            if self.uFilter:
                if self.uFilter.lower() in board.lower():
                    boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(board, self.changeFrameBoard), 'center')))
            else:
                boardButtons.append(urwid.LineBox(urwid.AttrWrap(urwid.Button(board, self.changeFrameBoard), 'center')))

        self.parsedItems = len(boardButtons)
        buttonGrid = urwid.GridFlow(boardButtons, 12, 2, 2, 'center')
        listbox_content = [buttonGrid]

        return urwid.ListBox(urwid.SimpleListWalker(listbox_content)) 

def show(self, loop):
        # Header
        header_text = urwid.Text(self.title, align='center')
        header = urwid.AttrMap(header_text, 'dialog')

        # Footer
        ok_btn = urwid.Button('Ok', self.on_ok)
        ok_btn = urwid.AttrWrap(ok_btn, 'dialog_button', 'dialog_button_focus')

        footer = urwid.GridFlow([ok_btn], 12, 1, 1, 'center')

        body = urwid.Filler(
            urwid.Pile([
                urwid.Text(self.message),
                urwid.Text(""),
                footer
            ])
        )

        # Layout
        layout = urwid.Frame(
            body,
            header=header
        )

        w = DialogOverlay(
            on_close=self.on_close,
            on_enter=self.on_ok,
            top_w=urwid.AttrMap(urwid.LineBox(layout), "dialog"),
            bottom_w=loop.widget,
            align='center',
            width=40,
            valign='middle',
            height=10
        )

        loop.widget = w 

def show(self, loop):
        # Header
        header_text = urwid.Text('Edit Folder' if self.target.name else "Add Folder", align='center')
        header = urwid.AttrMap(header_text, 'dialog')

        # Footer
        save_btn = urwid.Button('Save', self.on_save)
        save_btn = urwid.AttrWrap(save_btn, 'dialog_button', 'dialog_button_focus')

        cancel_btn = urwid.Button('Cancel', self.on_cancel)
        cancel_btn = urwid.AttrWrap(cancel_btn, 'dialog_button', 'dialog_button_focus')

        footer = urwid.GridFlow([save_btn, cancel_btn], 12, 1, 1, 'center')

        body = urwid.Filler(
            urwid.Pile([self.folder_name, footer])
        )

        # Layout
        layout = urwid.Frame(
            body,
            header=header)

        w = DialogOverlay(
            on_close=lambda: self.on_close(self.target),
            on_enter=self.on_save,
            top_w=urwid.AttrMap(urwid.LineBox(layout), "dialog"),
            bottom_w=loop.widget,
            align='center',
            width=40,
            valign='middle',
            height=10
        )

        loop.widget = w 

def show(self, loop):
        # Header
        header_text = urwid.Text('Remove Connection: ' + self.target.name, align='center')
        header = urwid.AttrMap(header_text, 'dialog')

        # Footer
        ok_btn = urwid.Button('Ok', self.on_ok)
        ok_btn = urwid.AttrWrap(ok_btn, 'dialog_button', 'dialog_button_focus')

        cancel_btn = urwid.Button('Cancel', self.on_cancel)
        cancel_btn = urwid.AttrWrap(cancel_btn, 'dialog_button', 'dialog_button_focus')

        footer = urwid.GridFlow([ok_btn, cancel_btn], 12, 1, 1, 'center')

        body = urwid.Filler(
            urwid.Pile([
                urwid.Text("Are you sure?"),
                urwid.Text(""),
                footer
            ])
        )

        # Layout
        layout = urwid.Frame(
            body,
            header=header
        )

        w = DialogOverlay(
            on_close=lambda: self.on_close(self.target),
            on_enter=lambda: self.on_ok(None),
            top_w=urwid.AttrMap(urwid.LineBox(layout), "dialog"),
            bottom_w=loop.widget,
            align='center',
            width=40,
            valign='middle',
            height=10
        )

        loop.widget = w 

def __init__(self, tid, title=None):
        self._title = title
        self._torrent = {}

        sections = []
        self._sections = {}
        for section_cls in _sections:
            section = section_cls()
            sections.append(section)
            self._sections[section.title] = section

        def add_title(title, section):
            header = urwid.Columns([('pack', urwid.Text('──┤ %s ├' % title)),
                                    urwid.Divider('─')])
            return urwid.Pile([('pack', header), section])

        grid = urwid.GridFlow([], cell_width=1, h_sep=3, v_sep=1, align='left')
        for section in sections:
            opts = grid.options('given', section.width)
            section_wrapped = add_title(section.title, section)
            grid.contents.append((section_wrapped, opts))
        self._grid = grid
        self._content = Scrollable(grid)

        super().__init__(urwid.AttrMap(
            ScrollBar(urwid.AttrMap(self._content, 'torrentdetails')),
            'torrentdetails.scrollbar'
        ))

        # Register new request in request pool
        keys = set(('name',)).union(key for w in sections for key in w.needed_keys)
        self._poller = objects.srvapi.create_poller(objects.srvapi.torrent.torrents, (tid,), keys=keys)
        self._poller.on_response(self._handle_response)
        self._poller.on_error(self._handle_error)