# Copyright (c) 2019 Vlad Balmos <vladbalmos@yahoo.com>
# Author: Vlad Balmos <vladbalmos@yahoo.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import urwid

from .emacs_edit import EmacsEdit
from mitzasql.ui.syntax_highlight import highlight

class QueryEditor(EmacsEdit):
    def __init__(self):
        super().__init__(multiline=True, allow_tab=True)

    def render(self, size, focus=False):
        (maxcol,) = size
        self._shift_view_to_cursor = bool(focus)

        text = highlight(self._edit_text)
        if not len(text):
            text = u''

        canv = urwid.Text(text).render((maxcol,))
        if focus:
            canv = urwid.CompositeCanvas(canv)
            canv.cursor = self.get_cursor_coords((maxcol,))
        return canv
