rev |
line source |
jbe/bsw@0
|
1 --[[--
|
jbe/bsw@0
|
2 ui.paginate{
|
jbe/bsw@0
|
3 selector = selector, -- a selector for items from the database
|
jbe/bsw@0
|
4 per_page = per_page, -- items per page, defaults to 10
|
jbe/bsw@0
|
5 name = name, -- name of the CGI get variable, defaults to "page"
|
jbe/bsw@0
|
6 content = function()
|
jbe/bsw@0
|
7 ... -- code block which should be encapsulated with page selection links
|
jbe/bsw@0
|
8 end
|
jbe/bsw@0
|
9 }
|
jbe/bsw@0
|
10
|
jbe/bsw@0
|
11 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.
|
jbe/bsw@0
|
12 --]]--
|
jbe/bsw@0
|
13
|
jbe/bsw@0
|
14 function ui.paginate(args)
|
jbe/bsw@0
|
15 local selector = args.selector
|
jbe/bsw@0
|
16 local per_page = args.per_page or 10
|
jbe/bsw@0
|
17 local name = args.name or 'page'
|
jbe/bsw@0
|
18 local content = args.content
|
jbe/bsw@0
|
19 local count_selector = selector:get_db_conn():new_selector()
|
jbe/bsw@0
|
20 count_selector:add_field('count(1)')
|
jbe/bsw@0
|
21 count_selector:add_from(selector)
|
jbe/bsw@0
|
22 count_selector:single_object_mode()
|
jbe/bsw@0
|
23 local count = count_selector:exec().count
|
jbe/bsw@0
|
24 local page_count = math.floor((count - 1) / per_page) + 1
|
jbe/bsw@0
|
25 local current_page = param.get(name, atom.integer) or 1
|
jbe/bsw@0
|
26 selector:limit(per_page)
|
jbe/bsw@0
|
27 selector:offset((current_page - 1) * per_page)
|
jbe/bsw@0
|
28 local id = param.get_id_cgi()
|
jbe/bsw@0
|
29 local params = param.get_all_cgi()
|
jbe/bsw@0
|
30 local function pagination_elements()
|
jbe/bsw@0
|
31 if page_count > 1 then
|
jbe/bsw@0
|
32 for page = 1, page_count do
|
jbe/bsw@0
|
33 if page > 1 then
|
jbe/bsw@0
|
34 slot.put(" ")
|
jbe/bsw@0
|
35 end
|
jbe/bsw@0
|
36 params[name] = page
|
jbe/bsw@0
|
37 local attr = {}
|
jbe/bsw@0
|
38 if current_page == page then
|
jbe/bsw@0
|
39 attr.class = "active"
|
jbe/bsw@0
|
40 end
|
jbe/bsw@0
|
41 ui.link{
|
jbe/bsw@0
|
42 attr = attr,
|
jbe/bsw@0
|
43 module = request.get_module(),
|
jbe/bsw@0
|
44 view = request.get_view(),
|
jbe/bsw@0
|
45 id = id,
|
jbe/bsw@0
|
46 params = params,
|
jbe/bsw@0
|
47 text = tostring(page)
|
jbe/bsw@0
|
48 }
|
jbe/bsw@0
|
49 end
|
jbe/bsw@0
|
50 end
|
jbe/bsw@0
|
51 end
|
jbe/bsw@0
|
52 ui.container{
|
jbe/bsw@0
|
53 attr = { class = 'ui_paginate' },
|
jbe/bsw@0
|
54 content = function()
|
jbe/bsw@0
|
55 ui.container{
|
jbe/bsw@0
|
56 attr = { class = 'ui_paginate_head ui_paginate_select' },
|
jbe/bsw@0
|
57 content = pagination_elements
|
jbe/bsw@0
|
58 }
|
jbe/bsw@0
|
59 ui.container{
|
jbe/bsw@0
|
60 attr = { class = 'ui_paginate_content' },
|
jbe/bsw@0
|
61 content = content
|
jbe/bsw@0
|
62 }
|
jbe/bsw@0
|
63 ui.container{
|
jbe/bsw@0
|
64 attr = { class = 'ui_paginate_foot ui_paginate_select' },
|
jbe/bsw@0
|
65 content = pagination_elements
|
jbe/bsw@0
|
66 }
|
jbe/bsw@0
|
67 end
|
jbe/bsw@0
|
68 }
|
jbe/bsw@0
|
69 end
|