liquid_feedback_frontend: app/main/help/show.lua annotate

liquid_feedback_frontend

add wiki syntax help

add help display module
add links to the wiki editors that link to a help page of the selected wiki syntax.

author	Daniel Poelzleithner <poelzi@poelzi.org>
date	Tue Oct 05 16:18:39 2010 +0200 (2010-10-05)
parents
children	d0f99272f675

rev	line source
poelzi@133	1 local id = param.get_id(atom.string)
poelzi@133	2
poelzi@133	3 if not id then
poelzi@133	4 id = "index"
poelzi@133	5 else
poelzi@133	6 -- sanity check. Only allow letters, digits and _-
poelzi@133	7 id = string.match(id, "[%a%d_-]*")
poelzi@133	8 end
poelzi@133	9
poelzi@133	10 if not app.html_title.title then
poelzi@133	11 app.html_title.title = _("Help #{id}", { id = id })
poelzi@133	12 end
poelzi@133	13
poelzi@133	14 local basepath = request.get_app_basepath()
poelzi@133	15 local found_help = false
poelzi@133	16 -- we try to load any help file that fits best
poelzi@133	17 for x,lang in ipairs{locale.get("lang"), "en"} do
poelzi@133	18 for x,htype in ipairs{"_full", ""} do
poelzi@133	19 local file_name = basepath .. "/locale/help/" .. id .. htype .. "." .. lang .. ".txt.html"
poelzi@133	20 local file = io.open(file_name)
poelzi@133	21 if file ~= nil then
poelzi@133	22 local help_text = file:read("*a")
poelzi@133	23 if #help_text > 0 then
poelzi@133	24 found_help = true
poelzi@133	25 ui.container{
poelzi@133	26 attr = { class = "wiki" },
poelzi@133	27 content = function()
poelzi@133	28 slot.put(help_text)
poelzi@133	29 end
poelzi@133	30 }
poelzi@133	31 break
poelzi@133	32 end
poelzi@133	33 end
poelzi@133	34 end
poelzi@133	35 end
poelzi@133	36
poelzi@133	37 if not found_help then
poelzi@133	38 ui.field.text{ value = _("Missing help text: #{id}.#{lang}.txt", { id = id, lang = locale.get("lang") }) }
poelzi@133	39 end