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-- Copyright 2007-2016 Mitchell mitchell.att.foicica.com. See LICENSE.
local M = {}
--[[ This comment is for LuaDoc.
---
-- Bookmarks for Textadept.
-- @field MARK_BOOKMARK (number)
-- The bookmark mark number.
module('textadept.bookmarks')]]
M.MARK_BOOKMARK = _SCINTILLA.next_marker_number()
---
-- Toggles the bookmark on line number *line* or the current line, unless *on*
-- is given.
-- If *on* is `true` or `false`, adds or removes the bookmark, respectively.
-- @param on Optional flag indicating whether to add or remove a bookmark on
-- line *line* or the current line. The default value is `nil`, toggling a
-- bookmark.
-- @param line Optional line number to add or remove a bookmark on.
-- @name toggle
function M.toggle(on, line)
line = line or buffer:line_from_position(buffer.current_pos)
local f = on and buffer.marker_add or buffer.marker_delete
if on == nil then -- toggle
local bit, marker_mask = 2^M.MARK_BOOKMARK, buffer:marker_get(line)
if bit32.band(marker_mask, bit) == 0 then f = buffer.marker_add end
end
f(buffer, line, M.MARK_BOOKMARK)
end
---
-- Clears all bookmarks in the current buffer.
-- @name clear
function M.clear() buffer:marker_delete_all(M.MARK_BOOKMARK) end
---
-- Prompts the user to select a bookmarked line to move the caret to the
-- beginning of unless *next* is given.
-- If *next* is `true` or `false`, moves the caret to the beginning of the next
-- or previously bookmarked line, respectively.
-- @param next Optional flag indicating whether to go to the next or previous
-- bookmarked line relative to the current line. The default value is `nil`,
-- prompting the user for a bookmarked line to go to.
-- @name goto_mark
function M.goto_mark(next)
if next == nil then
local marks = {}
-- List the current buffer's marks, and then all other buffers' marks.
for _, current_buffer_first in ipairs{true, false} do
for i, buffer in ipairs(_BUFFERS) do
if current_buffer_first and buffer == _G.buffer or
not current_buffer_first and buffer ~= _G.buffer then
local filename = (buffer.filename or buffer._type or
_L['Untitled']):match('[^/\\]+$')
local line = buffer:marker_next(0, 2^M.MARK_BOOKMARK)
while line >= 0 do
local text = filename..':'..tostring(line + 1)..': '..
buffer:get_line(line):match('^[^\r\n]*')
marks[#marks + 1], marks[text] = text, i
line = buffer:marker_next(line + 1, 2^M.MARK_BOOKMARK)
end
end
end
end
if #marks == 0 then return end
local button, mark = ui.dialogs.filteredlist{
title = _L['Select Bookmark'], columns = _L['Bookmark'], items = marks,
string_output = true
}
if button ~= _L['_OK'] or not mark then return end
view:goto_buffer(marks[mark])
textadept.editing.goto_line(mark:match('^[^:]+:(%d+):'))
else
local f = next and buffer.marker_next or buffer.marker_previous
local current_line = buffer:line_from_position(buffer.current_pos)
local line = f(buffer, current_line + (next and 1 or -1), 2^M.MARK_BOOKMARK)
if line == -1 then
line = f(buffer, (next and 0 or buffer.line_count), 2^M.MARK_BOOKMARK)
end
if line >= 0 then textadept.editing.goto_line(line + 1) end
end
end
return M
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