src/web/web_actions.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Nitcorn actions used by the nitweb server.
  16 module web_actions
  17
  18 import web_views
  19 import uml
  20
  21 # Display the tree of all loaded mentities.
  22 class TreeAction
  23         super ModelHandler
  24
  25         redef fun get(req, res) do
  26                 var model = init_model_view(req)
  27                 var view = new HtmlHomePage(model.to_tree)
  28                 res.send_view(view)
  29         end
  30 end
  31
  32 # Display a MEntity source code.
  33 class CodeAction
  34         super ModelHandler
  35
  36         # Modelbuilder used to access sources.
  37         var modelbuilder: ModelBuilder
  38
  39         redef fun get(req, res) do
  40                 var namespace = req.param("namespace")
  41                 var model = init_model_view(req)
  42                 var mentity = find_mentity(model, namespace)
  43                 if mentity == null then
  44                         res.error(404)
  45                         return
  46                 end
  47                 var view = new HtmlSourcePage(modelbuilder, mentity)
  48                 res.send_view(view)
  49         end
  50 end
  51
  52 # Display the doc of a MEntity.
  53 class DocAction
  54         super ModelHandler
  55
  56         # Modelbuilder used to access sources.
  57         var modelbuilder: ModelBuilder
  58
  59         redef fun get(req, res) do
  60                 var namespace = req.param("namespace")
  61                 var model = init_model_view(req)
  62                 var mentity = find_mentity(model, namespace)
  63                 if mentity == null then
  64                         res.error(404)
  65                         return
  66                 end
  67                 if req.is_json_asked then
  68                         res.json(mentity.to_json)
  69                         return
  70                 end
  71
  72                 var view = new HtmlDocPage(modelbuilder, mentity)
  73                 res.send_view(view)
  74         end
  75 end
  76
  77 # Return an UML diagram for `namespace`.
  78 class UMLDiagramAction
  79         super ModelHandler
  80
  81         # Mainmodule used for hierarchy flattening.
  82         var mainmodule: MModule
  83
  84         redef fun get(req, res) do
  85                 var namespace = req.param("namespace")
  86                 var model = init_model_view(req)
  87                 var mentity = find_mentity(model, namespace)
  88                 if mentity == null then
  89                         res.error(404)
  90                         return
  91                 end
  92
  93                 var dot
  94                 if mentity isa MClassDef then mentity = mentity.mclass
  95                 if mentity isa MClass then
  96                         var uml = new UMLModel(model, mainmodule)
  97                         dot = uml.generate_class_uml.write_to_string
  98                 else if mentity isa MModule then
  99                         var uml = new UMLModel(model, mentity)
 100                         dot = uml.generate_package_uml.write_to_string
 101                 else
 102                         res.error(404)
 103                         return
 104                 end
 105                 var view = new HtmlDotPage(dot, mentity.as(not null).html_name)
 106                 res.send_view(view)
 107         end
 108 end