From 8511e492b5f73fd6428573aa714c9fd43ac02cbf Mon Sep 17 00:00:00 2001
From: Luciano Prestes Cavalcanti <lucianopcbr@gmail.com>
Date: Wed, 29 Oct 2014 17:15:47 -0200
Subject: [PATCH] Change software language select field to autocomplete

---
 controllers/mpog_software_plugin_controller.rb | 16 ++++++++++++++++
 lib/database_helper.rb                         |  4 ++--
 lib/software_language_helper.rb                | 15 +++++++++++----
 public/mpog-software-validations.js            | 30 +++++++++++++++++++++++++++---
 4 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/controllers/mpog_software_plugin_controller.rb b/controllers/mpog_software_plugin_controller.rb
index 73b993c..ee58348 100644
--- a/controllers/mpog_software_plugin_controller.rb
+++ b/controllers/mpog_software_plugin_controller.rb
@@ -141,6 +141,22 @@ class MpogSoftwarePluginController < ApplicationController
     render :json=> data
   end
 
+  def get_languages
+    return render :json=>{} unless request.xhr? and params[:query]
+
+    data = ProgrammingLanguage.where("name ILIKE ?", "%#{params[:query]}%").select("id, name").collect {|db|
+      {:id=>db.id, :label=>db.name}
+    }
+    other = [ProgrammingLanguage.select("id, name").last].collect { |db|
+      {:id=>db.id, :label=>db.name}
+    }
+
+    # Always has other in the list
+    data |= other
+
+    render :json=> data
+  end
+
   protected
 
   def private_create_institution
diff --git a/lib/database_helper.rb b/lib/database_helper.rb
index b637ad6..020ecf4 100644
--- a/lib/database_helper.rb
+++ b/lib/database_helper.rb
@@ -1,6 +1,6 @@
 module DatabaseHelper
 
-  def self.isValidDatabase? database
+  def self.valid_database? database
     return false if SoftwareHelper.all_table_is_empty?(database)
 
     database_description_id_list = DatabaseDescription.select(:id).collect {|dd| dd.id }
@@ -15,7 +15,7 @@ module DatabaseHelper
     list_databases = []
 
     new_databases.each do |new_database|
-      if isValidDatabase? new_database
+      if valid_database? new_database
         database = SoftwareDatabase.new
         database.database_description_id = new_database[:database_description_id]
         database.version = new_database[:version]
diff --git a/lib/software_language_helper.rb b/lib/software_language_helper.rb
index a98a2a8..55e7904 100644
--- a/lib/software_language_helper.rb
+++ b/lib/software_language_helper.rb
@@ -39,7 +39,7 @@ module SoftwareLanguageHelper
     lambdas_list = []
 
     if not show_information
-      return language_html_structure({:programming_language_id => 1, :version => "", :operating_system => ""}) if list_languages.nil?
+      return language_html_structure({:programming_language_id => "", :version => "", :operating_system => ""}) if list_languages.nil?
 
       list_languages.each do |language|
         lambdas_list << language_html_structure(language)
@@ -52,17 +52,24 @@ module SoftwareLanguageHelper
 
     end
 
-
     lambdas_list
   end
 
   def self.language_html_structure(language_data)
+    language_name = if language_data[:programming_language_id].blank?
+      ""
+    else
+      ProgrammingLanguage.find(language_data[:programming_language_id], :select=>"name").name
+    end
+
     Proc::new do
       content_tag('table',
         content_tag('tr',
           content_tag('td', label_tag(_("Language Name: ")))+
-          content_tag('td', select_tag("language[][programming_language_id]", SoftwareHelper.select_options(ProgrammingLanguage.all, language_data[:programming_language_id]) ))+
-          content_tag('td')
+          content_tag('td',
+            text_field_tag("language_autocomplete", language_name, :class=>"language_autocomplete") +
+            content_tag('div', _("Pick an item on the list"), :class=>"autocomplete_validation_message hide-field") ) +
+          content_tag('td', hidden_field_tag("language[][programming_language_id]", language_data[:programming_language_id], :class=>"programming_language_id", data:{label:language_name}))
         )+
 
         content_tag('tr',
diff --git a/public/mpog-software-validations.js b/public/mpog-software-validations.js
index 4d50d17..0d255d0 100644
--- a/public/mpog-software-validations.js
+++ b/public/mpog-software-validations.js
@@ -30,9 +30,6 @@
           data: {query: request.term},
           success: function(result){
             response(result);
-          },
-          error: function(ajax, stat, errorThrown) {
-            console.log('Link not found : ' + errorThrown);
           }
         });
       },
@@ -50,6 +47,31 @@
   }
 
 
+  function language_autocomplete() {
+    jQuery(".language_autocomplete").autocomplete({
+      source : function(request, response){
+        jQuery.ajax({
+          type: "GET",
+          url: "/plugin/mpog_software/get_languages",
+          data: {query: request.term},
+          success: function(result){
+            response(result);
+          }
+        });
+      },
+
+      minLength: 0,
+
+      select : function (event, selected) {
+        var description = get_hidden_description_field(this, ".programming_language_id");
+        description.val(selected.item.id);
+        description.attr("data-label", selected.item.label);
+      }
+    }).blur(function(){
+      verify_autocomplete(this, ".programming_language_id");
+    });
+  }
+
   function delete_dynamic_table() {
     var button = jQuery(".delete-dynamic-table");
 
@@ -101,6 +123,7 @@
 
     delete_dynamic_table();
     database_autocomplete();
+    language_autocomplete();
 
     jQuery(".new-dynamic-table").click(function(){
       var link = jQuery(this);
@@ -116,6 +139,7 @@
 
       delete_dynamic_table();
       database_autocomplete();
+      language_autocomplete();
       return false;
     });
 
--
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