jbe/bsw@14: --[[--
jbe/bsw@14: ui.filters{
jbe/bsw@14:   selector = selector,  -- selector to be modified
jbe/bsw@14:   label    = label,     -- text to be displayed when filters are collapsed
jbe/bsw@14:   {
jbe/bsw@14:     name  = name1,      -- name of first filter (used as GET param)
jbe/bsw@14:     label = label1,     -- label of first filter
jbe/bsw@14:     {
jbe/bsw@14:       name  = name1a,   -- name of first option of first filter
jbe/bsw@14:       label = label1a,  -- label of first option of first filter
jbe/bsw@14:       selector_modifier = function(selector)
jbe/bsw@14:         ...
jbe/bsw@14:       end
jbe/bsw@14:     },
jbe/bsw@14:     {
jbe/bsw@14:       name  = name1b,   -- name of second option of first filter
jbe/bsw@14:       label = label1b,  -- label of second option of first filter
jbe/bsw@14:       selector_modifier = function(selector)
jbe/bsw@14:         ...
jbe/bsw@14:       end
jbe/bsw@14:     },
jbe/bsw@14:     ...
jbe/bsw@14:   },
jbe/bsw@14:   {
jbe/bsw@14:     name  = name2,      -- name of second filter (used as GET param)
jbe/bsw@14:     label = label2,     -- label of second filter
jbe/bsw@14:     {
jbe/bsw@14:       ...
jbe/bsw@14:     }, {
jbe/bsw@14:       ...
jbe/bsw@14:     },
jbe/bsw@14:     ...
jbe/bsw@14:   },
jbe/bsw@14:   ...
jbe/bsw@14:   content = function()
jbe/bsw@14:     ...                 -- inner code where filter is to be applied
jbe/bsw@14:   end
jbe/bsw@14: }
jbe/bsw@14: 
jbe/bsw@14: --]]--
jbe/bsw@14: 
jbe/bsw@14: function ui.filters(args)
jbe/bsw@14:   local el_id = ui.create_unique_id()
jbe/bsw@14:   ui.container{
jbe/bsw@14:     attr = { class = "ui_filter" },
jbe/bsw@14:     content = function()
jbe/bsw@14:       ui.container{
jbe/bsw@14:         attr = {
jbe/bsw@14:           class = "ui_filter_closed_head"
jbe/bsw@14:         },
jbe/bsw@14:         content = function()
jbe/bsw@14:           ui.tag{
jbe/bsw@14:             tag = "span",
jbe/bsw@14:             content = function()
jbe/bsw@14:               local current_options = {}
jbe/bsw@14:               for idx, filter in ipairs(args) do
jbe/bsw@14:                 local filter_name = filter.name or "filter"
jbe@223:                 local current_option = atom.string:load(request.get_param{name=filter_name})
jbe/bsw@14:                 if not current_option then
jbe/bsw@14:                   current_option = param.get(filter_name)
jbe/bsw@14:                 end
jbe/bsw@14:                 if not current_option or #current_option == 0 then
jbe/bsw@14:                   current_option = filter[1].name
jbe/bsw@14:                 end
jbe/bsw@14:                 for idx, option in ipairs(filter) do
jbe/bsw@14:                   if current_option == option.name then
jbe/bsw@14:                     current_options[#current_options+1] = encode.html(filter.label) .. ": " .. encode.html(option.label)
jbe/bsw@14:                   end
jbe/bsw@14:                 end
jbe/bsw@14:               end
jbe/bsw@14:               slot.put(table.concat(current_options, "; "))
jbe/bsw@14:             end
jbe/bsw@14:           }
jbe/bsw@14:           slot.put(" (")
jbe/bsw@14:           ui.link{
jbe/bsw@14:             attr = {
jbe/bsw@14:               onclick = "this.parentNode.style.display='none'; document.getElementById('" .. el_id .. "_head').style.display='block'; return(false);"
jbe/bsw@14:             },
jbe/bsw@14:             text = args.label,
jbe/bsw@14:             external = "#"
jbe/bsw@14:           }
jbe/bsw@14:           slot.put(")")
jbe/bsw@14:         end
jbe/bsw@14:       }
jbe/bsw@14:       ui.container{
jbe/bsw@14:         attr = {
jbe/bsw@14:           id = el_id .. "_head",
jbe/bsw@14:           style = "display: none;"
jbe/bsw@14:         },
jbe/bsw@14:         content = function()
jbe/bsw@14:           for idx, filter in ipairs(args) do
jbe/bsw@14:             local filter_name = filter.name or "filter"
jbe@223:             local current_option = atom.string:load(request.get_param{name=filter_name})
jbe/bsw@14:             if not current_option then
jbe/bsw@14:               current_option = param.get(filter_name)
jbe/bsw@14:             end
jbe/bsw@14:             if not current_option or #current_option == 0 then
jbe/bsw@14:               current_option = filter[1].name
jbe/bsw@14:             end
jbe@92:             local id     = request.get_id_string()
jbe@92:             local params = request.get_param_strings()
jbe/bsw@14:             ui.container{
jbe/bsw@14:               attr = { class = "ui_filter_head" },
jbe/bsw@14:               content = function()
jbe/bsw@14:                 slot.put(filter.label or "Filter", ": ")
jbe/bsw@14:                 for idx, option in ipairs(filter) do
jbe/bsw@14:                   params[filter_name] = option.name
jbe/bsw@14:                   local attr = {}
jbe/bsw@14:                   if current_option == option.name then
jbe/bsw@14:                     attr.class = "active"
jbe/bsw@14:                     option.selector_modifier(args.selector)
jbe/bsw@14:                   end
jbe/bsw@14:                   ui.link{
jbe/bsw@14:                     attr    = attr,
jbe/bsw@14:                     module  = request.get_module(),
jbe/bsw@14:                     view    = request.get_view(),
jbe/bsw@14:                     id      = id,
jbe/bsw@14:                     params  = params,
jbe@223:                     text    = option.label
jbe/bsw@14:                   }
jbe/bsw@14:                 end
jbe/bsw@14:               end
jbe/bsw@14:             }
jbe/bsw@14:           end
jbe/bsw@14:         end
jbe/bsw@14:       }
jbe/bsw@14:     end
jbe/bsw@14:   }
jbe/bsw@14:   ui.container{
jbe/bsw@14:     attr = { class = "ui_filter_content" },
jbe/bsw@14:     content = function()
jbe/bsw@14:       args.content()
jbe/bsw@14:     end
jbe/bsw@14:   }
jbe/bsw@14: end