# -*- coding: utf-8 -*-

from tuikit.container import Container

from tuikit.editbox import EditBox

from tuikit.scrollbar import VScrollbar

class TextEdit(Container):

    def __init__(self, width=20, height=20, text=''):

        Container.__init__(self, width, height)

        self.editbox = EditBox(width-2, height-2, text)

        self.add(self.editbox)

        self.editbox.x = 1

        self.editbox.y = 1

        self.editbox.connect('scroll', self.on_editbox_scroll)

        self.editbox.connect('areasize', self.on_editbox_areasize)

        self.vscroll = VScrollbar(height - 2)

        self.add(self.vscroll)

        self.vscroll.x = width - 1

        self.vscroll.y = 1

        self.vscroll.connect('change', self.on_vscroll_change)

        self.on_editbox_areasize()

    def settext(self, text):

        self.editbox.set_text(text)

    def scrolltoend(self):

        self.editbox.move_pagelast()

    def on_draw(self, screen, x, y):

        screen.frame(x, y, self.width, self.height)

    def on_editbox_scroll(self):

        self.vscroll.setpos(self.editbox.yofs)

    def on_editbox_areasize(self):

        smax = len(self.editbox.lines) - self.editbox.height

        if smax < 0:

            smax = 0

        self.vscroll.max = smax

    def on_vscroll_change(self):

        self.editbox.redraw()