in string number replacement

Author: marcel12bell

main/string_object.rb

@@ -6,104 +6,106 @@ class StringObject
 
   def initialize(s)
     @content = s
-    @object_list = [methode, arguments || [] ]
-    @position = [0..0]
-   end
+  end
 
   def append(key)
     @content += key.to_s
-    @object_list = [methode, arguments]
   end
 
   def delete #last Char
     @content.chop!
-    @object_list = [methode, arguments]
   end
 
   def methode
     @content.split.to_a[0]
   end
 
-  def arguments
-    array = @content.split.to_a
-    #splits the string after the methode into arguments array
-    if (array.count > 2) 
-      update(array)
-    else
-      []
+  def update_param(x_mouse, y_mouse)
+    #Try to find beginn of param and set this as the char_position to prevent unintendet param change!!!
+    char_position = find_char($app.pressed[0]) 
+    found_number = find_number(char_position) unless char_position.nil?
+    if found_number and found_number != [0..0]
+      new_param_value = -$app.width/2+x_mouse-length($app.initial_param[:string])+$app.initial_param[:value]
+      begin_of_param = found_number[0].first
+      current_param_length = @content[found_number[0]].to_s.length
+      @content[begin_of_param, current_param_length] = new_param_value.to_s
     end
   end
 
-  def update_argument(x_mouse, y_mouse)
-    update_argument_position
-    arg = find_argument($app.pressed[0])
-    if arg
-      new_arg_value = -$app.width/2+x_mouse+$app.editor_left_margin-length((methode+ " ").to_s)-length(@object_list[1][0..arg].join(" ").to_s)+$app.initial_arg_value
-      @object_list[1][arg] = new_arg_value
-      @content = @object_list.first + " " + @object_list[1].join(", ") + "\n" if @object_list.first
-    end
-  end
-
-  def get_param_value(x,y)
+  def get_param_values
     #get the rigth param of x position and give the value back
-    arg = find_argument(x)
-    if arg 
-      value = @object_list[1][arg]
-    else
-      value = 0
+    char_position = find_char($app.pressed[0])
+    if char_position
+      found_number = find_number(char_position)[0]
+      unless found_number == [0..0]
+        number = @content[found_number].to_i
+        #return string without begin of number (because it will change):
+        string = @content[0..found_number.first-1]
+        return { :value => number, :string => string }
+      end
     end
-    return value
   end
 
   def set_position=(range)
+    #of the string in the editor
     @position = range
   end
 
   def get_position
-    #get the first nuber of an range x..y
+    #get the first number of an range x..y
     @position.to_a.first
   end
 
   private
 
-    def update(array)
-      a = array.map do |e|
-        if /[[:alpha:]]/.match(e)
-          e
-        else
-          e.to_i
-        end
-      end
-      a[1..-1]
-    end
-
     def length(s)
       text_width(s.to_s).to_i unless s.nil?
     end
 
-    def update_argument_position
-      start_position = $app.width/2+$app.editor_left_margin+length((methode).to_s)
-      arg_length_new = 0
-      space = length(" ")
-      @argument_position = Hash.new {|this_hash,missing_key| #set always a new hash to keep track of growing numbers
+    def update_char_position
+      start_position = $app.width/2
+      char_length_new = 0
+      @char_position = Hash.new {|this_hash,missing_key| #set always a new hash to keep track of growing numbers
       found_key = this_hash.keys.find {|this_key| this_key.class == Range && this_key.include?(missing_key) }
       found_key ? this_hash[missing_key] = this_hash[found_key] : :undefined
       } #source: http://www.developwithpurpose.com/ruby-hash-awesomeness-part-2/
-      arguments.each_with_index do |value, k|
-          arg_length = length(value)
-          arg_range = [
-            start_position+arg_length_new..
-            start_position+arg_length_new+arg_length
+      @content.chars.each_with_index  do |value, k|
+          char_length = length(value)
+          char_range = [
+            start_position+char_length_new..
+            start_position+char_length_new+char_length
           ]
-          @argument_position[arg_range[0]] = k
-          arg_length_new = arg_length_new + arg_length + space
-        end
+          @char_position[char_range[0]] = k
+          char_length_new = char_length_new + char_length
+      end
     end
 
-    def find_argument(x_position)
-      #return argument on rigth position
-      update_argument_position # first initialisation on mouse down
-      arg = @argument_position[x_position]
-      arg unless arg == :undefined
+    def find_char(x_position)
+      update_char_position
+      char_position = @char_position[x_position]
+      char_position unless char_position == :undefined
+    end
+
+    def find_number(start_position)
+      #returns the range position of the selected number of the String (refr. to recursion--)
+      left_position, right_position = start_position, start_position
+      left_search, right_search = true, true
+      while (left_search) or (right_search) and left_position > 0
+        if @content[left_position].match(/^-?[0-9]?(\.[0-9]+)?$+/)
+          left_position -=1
+        else
+          left_search = false
+        end
+        if !@content[right_position].nil? and @content[right_position].match(/^-?[0-9]?(\.[0-9]+)?$+/)
+          right_position +=1
+        else
+          right_search = false
+        end
+      end
+      if start_position == left_position and right_position
+        [0..0]
+      else
+        [left_position+1..right_position-1]
+      end
     end
 end

main/watch.rb

@@ -20,14 +20,13 @@ def check_param(x,y)
     y_position = @cursor.y_position
     string_object = @lines.positiontable(y_position)
     if (string_object.position[0]).include?($app.pressed[1])
-      string_object.update_argument(x,y) unless string_object == :undefined
+      string_object.update_param(x,y) unless string_object == :undefined
     end
   end
 
   def get_param(x,y)
     y_position = @cursor.y_position
     string_object = @lines.positiontable(y_position)
-    string_object.get_param_value(x,y_position) unless string_object == :undefined
+    string_object.get_param_values unless string_object == :undefined
   end
-
 end