webmcp
annotate framework/env/ui/paginate.lua @ 36:5380305a3d51
allow multiple arguments to trace.debug
you can now write trace.debug("bla", 2, ...)
you can now write trace.debug("bla", 2, ...)
| author | Daniel Poelzleithner <poelzi@poelzi.org> |
|---|---|
| date | Sat Oct 09 00:57:26 2010 +0200 (2010-10-09) |
| parents | 81dfcfd960ed |
| children | 17435a7d252b |
| rev | line source |
|---|---|
| jbe/bsw@0 | 1 --[[-- |
| jbe/bsw@0 | 2 ui.paginate{ |
| poelzi@35 | 3 selector = selector, -- a selector for items from the database |
| poelzi@35 | 4 per_page = per_page, -- items per page, defaults to 10 |
| poelzi@35 | 5 container_attr = container_attr -- html attr for the container element |
| poelzi@35 | 6 name = name, -- name of the CGI get variable, defaults to "page" |
| poelzi@35 | 7 page = page, -- directly specify a page, and ignore 'name' parameter |
| poelzi@35 | 8 content = function() |
| jbe/bsw@0 | 9 ... -- code block which should be encapsulated with page selection links |
| jbe/bsw@0 | 10 end |
| jbe/bsw@0 | 11 } |
| jbe/bsw@0 | 12 |
| jbe@1 | 13 This function preceeds and appends the output of the given 'content' function with page selection links. The passed selector will be modified to show only a limited amount ('per_page') of items. The currently displayed page will be determined directly by cgi.params, and not via the param.get(...) function, in order to pass page selections automatically to sub-views. |
| jbe@1 | 14 |
| jbe/bsw@0 | 15 --]]-- |
| jbe/bsw@0 | 16 |
| jbe/bsw@0 | 17 function ui.paginate(args) |
| jbe/bsw@0 | 18 local selector = args.selector |
| jbe/bsw@0 | 19 local per_page = args.per_page or 10 |
| jbe/bsw@0 | 20 local name = args.name or 'page' |
| jbe/bsw@0 | 21 local content = args.content |
| jbe/bsw@0 | 22 local count_selector = selector:get_db_conn():new_selector() |
| jbe/bsw@0 | 23 count_selector:add_field('count(1)') |
| jbe/bsw@0 | 24 count_selector:add_from(selector) |
| jbe/bsw@0 | 25 count_selector:single_object_mode() |
| jbe/bsw@0 | 26 local count = count_selector:exec().count |
| jbe@8 | 27 local page_count = 1 |
| jbe@8 | 28 if count > 0 then |
| jbe@8 | 29 page_count = math.floor((count - 1) / per_page) + 1 |
| jbe@8 | 30 end |
| jbe@1 | 31 local current_page = atom.integer:load(cgi.params[name]) or 1 |
| jbe/bsw@2 | 32 if current_page > page_count then |
| jbe/bsw@2 | 33 current_page = page_count |
| jbe/bsw@2 | 34 end |
| jbe/bsw@0 | 35 selector:limit(per_page) |
| jbe/bsw@0 | 36 selector:offset((current_page - 1) * per_page) |
| jbe/bsw@0 | 37 local id = param.get_id_cgi() |
| jbe/bsw@0 | 38 local params = param.get_all_cgi() |
| jbe/bsw@0 | 39 local function pagination_elements() |
| jbe/bsw@0 | 40 if page_count > 1 then |
| jbe/bsw@0 | 41 for page = 1, page_count do |
| jbe/bsw@0 | 42 if page > 1 then |
| jbe/bsw@0 | 43 slot.put(" ") |
| jbe/bsw@0 | 44 end |
| jbe/bsw@0 | 45 params[name] = page |
| jbe/bsw@0 | 46 local attr = {} |
| jbe/bsw@0 | 47 if current_page == page then |
| jbe/bsw@0 | 48 attr.class = "active" |
| jbe/bsw@0 | 49 end |
| jbe/bsw@11 | 50 local partial |
| jbe/bsw@11 | 51 if ui.is_partial_loading_enabled() then |
| jbe/bsw@11 | 52 partial = { |
| jbe/bsw@11 | 53 params = { |
| jbe/bsw@11 | 54 [name] = tostring(page) |
| jbe/bsw@11 | 55 } |
| jbe/bsw@11 | 56 } |
| jbe/bsw@11 | 57 end |
| jbe/bsw@0 | 58 ui.link{ |
| jbe/bsw@11 | 59 attr = attr, |
| jbe/bsw@0 | 60 module = request.get_module(), |
| jbe/bsw@0 | 61 view = request.get_view(), |
| jbe/bsw@0 | 62 id = id, |
| jbe/bsw@0 | 63 params = params, |
| jbe/bsw@11 | 64 text = tostring(page), |
| jbe/bsw@11 | 65 partial = partial |
| jbe/bsw@0 | 66 } |
| jbe/bsw@0 | 67 end |
| jbe/bsw@0 | 68 end |
| jbe/bsw@0 | 69 end |
| jbe/bsw@0 | 70 ui.container{ |
| poelzi@35 | 71 attr = args.container_attr or { class = 'ui_paginate' }, |
| jbe/bsw@0 | 72 content = function() |
| jbe/bsw@0 | 73 ui.container{ |
| jbe/bsw@0 | 74 attr = { class = 'ui_paginate_head ui_paginate_select' }, |
| jbe/bsw@0 | 75 content = pagination_elements |
| jbe/bsw@0 | 76 } |
| jbe/bsw@0 | 77 ui.container{ |
| jbe/bsw@0 | 78 attr = { class = 'ui_paginate_content' }, |
| jbe/bsw@0 | 79 content = content |
| jbe/bsw@0 | 80 } |
| jbe/bsw@0 | 81 ui.container{ |
| jbe/bsw@0 | 82 attr = { class = 'ui_paginate_foot ui_paginate_select' }, |
| jbe/bsw@0 | 83 content = pagination_elements |
| jbe/bsw@0 | 84 } |
| jbe/bsw@0 | 85 end |
| jbe/bsw@0 | 86 } |
| jbe/bsw@0 | 87 end |