meta_sample.rb in glimmer-dsl-swt-4.18.0.0

- old
+ new

@@ -1,6 +1,7 @@
 require 'fileutils'
+require 'etc'
 
 class Sample
   include Glimmer::DataBinding::ObservableModel
   
   attr_accessor :sample_directory, :file, :selected
@@ -31,27 +32,33 @@
   def reset_code!
     @code = File.read(file)
     notify_observers('code')
   end
   
+  def editable
+    File.basename(file) != 'meta_sample.rb'
+  end
+  alias launchable editable
+  
   def launch(modified_code)
-    modified_file = File.join(File.dirname(file), ".#{File.basename(file)}")
+    parent_directory = File.basename(File.dirname(file))
+    modified_file_parent_directory = File.join(Etc.getpwuid.dir, '.glimmer', 'samples', parent_directory)
+    launch_file = modified_file = File.join(modified_file_parent_directory, File.basename(file))
     begin
+      FileUtils.mkdir_p(modified_file_parent_directory)
+      FileUtils.cp_r(file, modified_file_parent_directory)
+      FileUtils.cp_r(file.sub(/\.rb/, ''), modified_file_parent_directory) if File.exist?(file.sub(/\.rb/, ''))
       File.write(modified_file, modified_code)
-      begin
-        load(modified_file)
-      rescue StandardError, SyntaxError => launch_error
-        message_box {
-          text 'Error Launching'
-          message launch_error.full_message
-        }.open
-      end
-    rescue
-      load(file) # load original file if failed to write changes
-    ensure
-      FileUtils.rm_rf(modified_file)
+    rescue => e
+      puts 'Error writing sample modifications. Launching original sample.'
+      puts e.full_message
+      launch_file = file # load original file if failed to write changes
     end
+    load(launch_file)
+  ensure
+    FileUtils.rm_rf(modified_file)
+    FileUtils.rm_rf(modified_file.sub(/\.rb/, ''))
   end
 end
 
 class SampleDirectory
   class << self
@@ -147,11 +154,14 @@
       minimum_size 1280, 768
       text 'Glimmer Meta-Sample (The Sample of Samples)'
       
       sash_form {
         composite {
-          grid_layout 1, false
+          grid_layout(1, false) {
+            margin_width 0
+            margin_height 0
+          }
             
           expand_bar {
             layout_data(:fill, :fill, true, true)
             font height: 30
                         
@@ -178,25 +188,37 @@
             }
             
             button {
               text 'Launch'
               font height: 30
+              enabled bind(SampleDirectory, 'selected_sample.launchable')
+              
               on_widget_selected {
-                SampleDirectory.selected_sample.launch(@code_text.text)
+                begin
+                  SampleDirectory.selected_sample.launch(@code_text.text)
+                rescue StandardError, SyntaxError => launch_error
+                  message_box {
+                    text 'Error Launching'
+                    message launch_error.full_message
+                  }.open
+                end
               }
             }
             button {
               text 'Reset'
               font height: 30
+              enabled bind(SampleDirectory, 'selected_sample.editable')
+              
               on_widget_selected {
                 SampleDirectory.selected_sample.reset_code!
               }
             }
           }
         }
             
         @code_text = code_text {
           text bind(SampleDirectory, 'selected_sample.code', read_only: true)
+          editable bind(SampleDirectory, 'selected_sample.editable')
         }
         
         weights 4, 9
       }
     }.open