# HG changeset patch
# User bsw
# Date 1330201152 -3600
# Node ID fac04b72bc9a63ed016d4076e27c1f65ced1ca68
# Parent  fee2fcc5d88e8e7ccee264c5af3e16498141aeed
Added modified filters function

diff -r fee2fcc5d88e -r fac04b72bc9a env/ui/filters.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/ui/filters.lua	Sat Feb 25 21:19:12 2012 +0100
@@ -0,0 +1,142 @@
+--[[--
+ui.filters{
+  selector = selector,  -- selector to be modified
+  label    = label,     -- text to be displayed when filters are collapsed
+  {
+    name  = name1,      -- name of first filter (used as GET param)
+    label = label1,     -- label of first filter
+    {
+      name  = name1a,   -- name of first option of first filter
+      label = label1a,  -- label of first option of first filter
+      selector_modifier = function(selector)
+        ...
+      end
+    },
+    {
+      name  = name1b,   -- name of second option of first filter
+      label = label1b,  -- label of second option of first filter
+      selector_modifier = function(selector)
+        ...
+      end
+    },
+    ...
+  },
+  {
+    name  = name2,      -- name of second filter (used as GET param)
+    label = label2,     -- label of second filter
+    {
+      ...
+    }, {
+      ...
+    },
+    ...
+  },
+  ...
+  content = function()
+    ...                 -- inner code where filter is to be applied
+  end
+}
+
+--]]--
+
+function ui.filters(args)
+  local el_id = ui.create_unique_id()
+  ui.container{
+    attr = { class = "ui_filter" },
+    content = function()
+      ui.container{
+        attr = {
+          class = "ui_filter_closed_head"
+        },
+        content = function()
+          if args.folded then
+            ui.tag{
+              tag = "span",
+              content = function()
+                local current_options = {}
+                for idx, filter in ipairs(args) do
+                  local filter_name = filter.name or "filter"
+                  local current_option = atom.string:load(cgi.params[filter_name])
+                  if not current_option then
+                    current_option = param.get(filter_name)
+                  end
+                  if not current_option or #current_option == 0 then
+                    current_option = filter[1].name
+                  end
+                  for idx, option in ipairs(filter) do
+                    if current_option == option.name then
+                      current_options[#current_options+1] = encode.html(filter.label) .. ": " .. encode.html(option.label)
+                    end
+                  end
+                end
+                slot.put(table.concat(current_options, "; "))
+              end
+            }
+            slot.put(" (")
+            ui.link{
+              attr = {
+                onclick = "this.parentNode.style.display='none'; document.getElementById('" .. el_id .. "_head').style.display='block'; return(false);"
+              },
+              text = args.label,
+              external = "#"
+            }
+            slot.put(")")
+          end
+        end
+      }
+      ui.container{
+        attr = {
+          id = el_id .. "_head",
+          style = args.folded and "display: none;" or nil
+        },
+        content = function()
+          for idx, filter in ipairs(args) do
+            local filter_name = filter.name or "filter"
+            local current_option = atom.string:load(cgi.params[filter_name])
+            if not current_option then
+              current_option = param.get(filter_name)
+            end
+            if not current_option or #current_option == 0 then
+              current_option = filter[1].name
+            end
+            local id     = param.get_id_cgi()
+            local params = param.get_all_cgi()
+            ui.container{
+              attr = { class = "ui_filter_head" },
+              content = function()
+                slot.put(filter.label)
+                for idx, option in ipairs(filter) do
+                  params[filter_name] = option.name
+                  local attr = {}
+                  if current_option == option.name then
+                    attr.class = "active"
+                    option.selector_modifier(args.selector)
+                  end
+                  ui.link{
+                    attr    = attr,
+                    module  = request.get_module(),
+                    view    = request.get_view(),
+                    id      = id,
+                    params  = params,
+                    text    = option.label,
+                    partial = {
+                      params = {
+                        [filter_name] = option.name
+                      }
+                    }
+                  }
+                end
+              end
+            }
+          end
+        end
+      }
+    end
+  }
+  ui.container{
+    attr = { class = "ui_filter_content" },
+    content = function()
+      args.content()
+    end
+  }
+end