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jbe/bsw@0
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1 --[[--
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jbe/bsw@0
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2 ui.paginate{
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jbe@349
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3 selector = selector, -- a selector for items from the database (will be modified)
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jbe@349
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4 anchor = anchor, -- optional name of anchor in document to jump to
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jbe@349
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5 per_page = per_page, -- items per page, defaults to 10
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jbe@349
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6 container_attr = container_attr, -- html attr for the container element
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jbe@349
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7 name = name, -- name of the CGI get variable, defaults to "page"
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jbe@349
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8 page = page, -- directly specify a page, and ignore 'name' parameter
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jbe@48
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9 content = function()
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jbe@349
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10 ... -- code block which should be encapsulated with page selection links
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jbe/bsw@0
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11 end
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jbe/bsw@0
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12 }
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jbe/bsw@0
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13
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jbe@223
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14 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 request.get_param{...}, and not via the param.get(...) function, in order to pass page selections automatically to sub-views.
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jbe@1
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15
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jbe/bsw@0
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16 --]]--
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jbe/bsw@0
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17
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jbe/bsw@0
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18 function ui.paginate(args)
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jbe/bsw@0
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19 local selector = args.selector
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jbe/bsw@0
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20 local per_page = args.per_page or 10
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jbe/bsw@0
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21 local name = args.name or 'page'
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jbe/bsw@0
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22 local content = args.content
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jbe/bsw@0
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23 local count_selector = selector:get_db_conn():new_selector()
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jbe/bsw@0
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24 count_selector:add_field('count(1)')
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jbe/bsw@0
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25 count_selector:add_from(selector)
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jbe/bsw@0
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26 count_selector:single_object_mode()
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jbe/bsw@0
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27 local count = count_selector:exec().count
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jbe@8
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28 local page_count = 1
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jbe@8
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29 if count > 0 then
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jbe@8
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30 page_count = math.floor((count - 1) / per_page) + 1
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jbe@8
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31 end
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jbe@223
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32 local current_page = atom.integer:load(request.get_param{name=name}) or 1
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jbe/bsw@2
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33 if current_page > page_count then
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jbe/bsw@2
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34 current_page = page_count
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jbe/bsw@2
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35 end
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jbe/bsw@0
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36 selector:limit(per_page)
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jbe/bsw@0
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37 selector:offset((current_page - 1) * per_page)
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jbe@92
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38 local id = request.get_id_string()
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jbe@92
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39 local params = request.get_param_strings()
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jbe/bsw@0
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40 local function pagination_elements()
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jbe/bsw@0
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41 if page_count > 1 then
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jbe/bsw@0
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42 for page = 1, page_count do
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jbe/bsw@0
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43 if page > 1 then
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jbe/bsw@0
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44 slot.put(" ")
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jbe/bsw@0
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45 end
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jbe/bsw@0
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46 params[name] = page
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jbe/bsw@0
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47 local attr = {}
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jbe/bsw@0
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48 if current_page == page then
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jbe/bsw@0
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49 attr.class = "active"
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jbe/bsw@0
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50 end
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jbe/bsw@0
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51 ui.link{
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jbe/bsw@11
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52 attr = attr,
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jbe/bsw@0
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53 module = request.get_module(),
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jbe/bsw@0
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54 view = request.get_view(),
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jbe/bsw@0
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55 id = id,
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jbe/bsw@0
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56 params = params,
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bsw@80
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57 anchor = args.anchor,
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jbe@223
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58 text = tostring(page)
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jbe/bsw@0
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59 }
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jbe/bsw@0
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60 end
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jbe/bsw@0
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61 end
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jbe/bsw@0
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62 end
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jbe/bsw@0
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63 ui.container{
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poelzi@35
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64 attr = args.container_attr or { class = 'ui_paginate' },
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jbe/bsw@0
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65 content = function()
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jbe/bsw@0
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66 ui.container{
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jbe/bsw@0
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67 attr = { class = 'ui_paginate_head ui_paginate_select' },
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jbe/bsw@0
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68 content = pagination_elements
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jbe/bsw@0
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69 }
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jbe/bsw@0
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70 ui.container{
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jbe/bsw@0
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71 attr = { class = 'ui_paginate_content' },
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jbe/bsw@0
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72 content = content
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jbe/bsw@0
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73 }
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jbe/bsw@0
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74 ui.container{
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jbe/bsw@0
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75 attr = { class = 'ui_paginate_foot ui_paginate_select' },
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jbe/bsw@0
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76 content = pagination_elements
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jbe/bsw@0
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77 }
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jbe/bsw@0
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78 end
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jbe/bsw@0
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79 }
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jbe/bsw@0
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80 end
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