Class: AgEditor

Inherits:
Object
  • Object
show all
Defined in:
ext/ae-editor/ae-editor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_controller, _page_frame) ⇒ AgEditor

Returns a new instance of AgEditor.



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# File 'ext/ae-editor/ae-editor.rb', line 875

def initialize(_controller, _page_frame)
  @controller = _controller
  @page_frame = _page_frame
  @set_mod = false
  @modified_from_opening=false
  @font = Arcadia.conf('edit.font')
  @font_bold = "#{Arcadia.conf('edit.font')} bold"
  @font_metrics = TkFont.new(@font).metrics
  @font_metrics_bold = TkFont.new(@font_bold).metrics
  @highlighting = false
  @classbrowsing = false
  @find = @controller.get_find
  @read_only=false
  @loading=false
  @tabs_show = false
  @spaces_show = false
end

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'ext/ae-editor/ae-editor.rb', line 869

def file
  @file
end

#highlighting ⇒ Object (readonly)

Returns the value of attribute highlighting.



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# File 'ext/ae-editor/ae-editor.rb', line 874

def highlighting
  @highlighting
end

#outline ⇒ Object (readonly)

Returns the value of attribute outline.



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# File 'ext/ae-editor/ae-editor.rb', line 873

def outline
  @outline
end

#page_frame ⇒ Object (readonly)

Returns the value of attribute page_frame.



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# File 'ext/ae-editor/ae-editor.rb', line 871

def page_frame
  @page_frame
end

#read_only ⇒ Object (readonly)

Returns the value of attribute read_only.



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# File 'ext/ae-editor/ae-editor.rb', line 870

def read_only
  @read_only
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'ext/ae-editor/ae-editor.rb', line 872

def root
  @root
end

#text ⇒ Object (readonly)

Returns the value of attribute text.



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# File 'ext/ae-editor/ae-editor.rb', line 872

def text
  @text
end

Instance Method Details

#activate_complete_code_key_binding ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1284

def activate_complete_code_key_binding
  @n_complete_task = 0
  # key binding for complete code
  @text.bind_append("Control-KeyPress"){|e|
    case e.keysym
    when 'space'
      if @n_complete_task == 0
        @do_complete = true
        complete_code
      end
    end
  }
  
  @text.bind_append("KeyPress"){|e|
    if e.keysym == "Escape"
      if @n_complete_task == 0
        @do_complete = true
        complete_code
      end
    else
      @do_complete = false
    end
  }    

  @text.bind_append("KeyRelease"){|e|
    case e.keysym
      when 'period'
        _focus_line = @text.get('insert linestart','insert')
        if _focus_line.strip[0..0] != '#'
          Thread.new do
            @do_complete = true
            sleep(1)
            if @do_complete && @n_complete_task == 0
              complete_code
            end
          end
        end
    end
  }

end

#activate_key_binding ⇒ Object

setup all key bindings (normal, +control, etc)



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# File 'ext/ae-editor/ae-editor.rb', line 1329

def activate_key_binding
  activate_complete_code_key_binding if @is_ruby
  @text.bind_append("Control-KeyPress"){|e|
    case e.keysym
#      when 'space'
#        @do_complete = true
#        complete_code.call
    when 'z'
      #_b = @text.index('insert').split('.')[0].to_i
      begin
        @text.edit_undo
      rescue RuntimeError => e
        throw e unless e.to_s.include? "nothing to undo" # this is ok--we've done undo back to the beginning
        break
      end
      #_e = @text.index('insert').split('.')[0].to_i
      if @highlighting
        _b = @text.index('@0,0').split('.')[0].to_i
        _e = @text.index('@0,'+TkWinfo.height(@text).to_s).split('.')[0].to_i + 1
        rehighlightlines(_b,_e)
      end
      break
    when 'o'  
      if @file
        _dir = File.dirname(@file)
      else
        _dir = MonitorLastUsedDir.get_last_dir
      end
      Arcadia.process_event(OpenBufferEvent.new(self,'file'=>Tk.getOpenFile('initialdir'=>_dir)))
      break
    when 'c'
      @text.text_copy
      break
    when 'x'
      @text.text_cut
      break
    when 'v'
      _b = @text.index('insert').split('.')[0].to_i
      @text.text_paste
      _e = @text.index('insert').split('.')[0].to_i
      if @highlighting
        rehighlightlines(_b,_e)
#          for j in _b..._e
#            rehighlightline(j)
#          end
      end
      break
    end
    case e.keysym
    when 's'
      save
    when 'f'
      find
    when 'egrave'
      @text.insert('insert',"{")
    when 'plus'
      @text.insert('insert',"}")
    when 'g'
      Arcadia.process_event(GoToLineBufferEvent.new(self))
    when 'n'
      $arcadia['main.action.new_file'] # necessary? Is there an event for this?
    when 'w'
      Arcadia.process_event(CloseCurrentTabEvent.new(self))
    end
  }

  @text.bind_append("Control-Shift-KeyPress"){|e|
    case e.keysym
    when 'I'
      _r = @text.tag_ranges('sel')
      _row_begin = _r[0][0].split('.')[0].to_i
      _row_end = _r[_r.length - 1][1].split('.')[0].to_i
      n_space = $arcadia['conf']['editor.tab-replace-width-space'].to_i
      if n_space > 0
        suf = "\s"*n_space
      else
        suf = "\t"
      end

      for _row in _row_begin..._row_end
        @text.insert(_row.to_s+'.0',suf)
      end
    when 'U'
      _r = @text.tag_ranges('sel')
      _row_begin = _r[0][0].split('.')[0].to_i
      _row_end = _r[_r.length - 1][1].split('.')[0].to_i
      n_space = $arcadia['conf']['editor.tab-replace-width-space'].to_i
      if n_space > 0
        suf = "\s"*n_space
      else
        suf = "\t"
      end
      _l_suf = 	suf.length.to_s
      for _row in _row_begin..._row_end
        if @text.get(_row.to_s+'.0',_row.to_s+'.'+_l_suf) == suf
          @text.delete(_row.to_s+'.0',_row.to_s+'.'+_l_suf)
        end
      end
    when 'C'
      _r = @text.tag_ranges('sel')
      _row_begin = _r[0][0].split('.')[0].to_i
      _row_end = _r[_r.length - 1][1].split('.')[0].to_i

      for _row in _row_begin..._row_end
        if @text.get(_row.to_s+'.0',_row.to_s+'.1') == "#"
          @text.delete(_row.to_s+'.0',_row.to_s+'.1')
        else
          @text.insert(_row.to_s+'.0',"#")
        end
        #rehighlightline(_row) if @highlighting
      end
      rehighlightlines(_row_begin, _row_end) if @highlighting
    when 'F'
      Arcadia.process_event(AckInFilesEvent.new(self))
    end
  }
  
  @text.bind_append("KeyPress"){|e|
    #@do_complete = false
    case e.keysym
    #when 'Return'
    when 'BackSpace'
      _index = @text.index('insert')
      _row, _col = _index.split('.')
      rehighlightlines(_row.to_i,_row.to_i) if @highlighting
#      rehighlightline(_row.to_i) if @highlighting
    when 'Delete'
      _index = @text.index('insert')
      _row, _col = _index.split('.')
      rehighlightlines(_row.to_i, _row.to_i) if @highlighting
#      rehighlightline(_row.to_i) if @highlighting
    when 'F5'
      run_buffer
    when 'F3'
      @find.do_find_next
    when 'F1'
      line, col = @text.index('insert').split('.')
      _x, _y = xy_insert
      _file = create_temp_file
      begin
        Arcadia.process_event(DocCodeEvent.new(self, 'file'=>_file, 'row'=>line.to_s, 'col'=>col.to_s, 'xdoc'=>_x, 'ydoc'=>_y))
      ensure
        File.delete(_file) 	if File.exist?(_file)
      end
      #EditorContract.instance.doc_code(@controller, 'file'=>_file, 'line'=>line.to_s, 'col'=>col.to_s, 'xdoc'=>_x, 'ydoc'=>_y)
    when 'Tab'
      n_space = $arcadia['conf']['editor.tab-replace-width-space'].to_i
      _r = @text.tag_ranges('sel')
      if _r && _r[0]
        _row_begin = _r[0][0].split('.')[0].to_i
        _row_end = _r[_r.length - 1][1].split('.')[0].to_i
        if n_space > 0
          suf = "\s"*n_space
        else
          suf = "\t"
        end
        for _row in _row_begin..._row_end
          @text.insert(_row.to_s+'.0', suf)
        end
        break
      elsif n_space > 0
        @text.insert('insert', "\s"*n_space)
        break
      end
    end
  }

  @text.bind_append("KeyRelease"){|e|
    case e.keysym
    when 'Up','Down'
        refresh_outline
    when 'Left', 'Right'
    
    when 'Return' #,'Control_L', 'Control_V', 'BackSpace', 'Delete'
      _index = @text.index('insert')
      _row, _col = _index.split('.')
      _txt = @text.get((_row.to_i-1).to_s+'.0',_index)
      if _txt.length > 0
        m = /\s*/.match(_txt)
        if m
          if (m[0] != "\n")
            _sm = m[0]
            _sm = _sm.sub(/\n/,"")
            @text.insert('insert',_sm)
          end
        end
      end
      if _row.to_i + 1  ==  @text.index('end').split('.')[0].to_i
        do_line_update
      end
    else 
      if ['Control_L', 'Control_V', 'BackSpace', 'Delete'].include?(e.keysym)
        do_line_update
      end
      if @highlighting && /\w/.match(e.keysym)
  #      rehighlightline(@text.index('insert').split('.')[0].to_i)
        row = @text.index('insert').split('.')[0].to_i
        rehighlightlines(row, row)
      end
    end
    check_modify
  }


  @text.bind_append("Shift-KeyPress"){|e|
    case e.keysym
    when 'Tab'
      _r = @text.tag_ranges('sel')
      if _r && _r[0]
        _row_begin = _r[0][0].split('.')[0].to_i
        _row_end = _r[_r.length - 1][1].split('.')[0].to_i
        
        n_space = $arcadia['conf']['editor.tab-replace-width-space'].to_i
        if n_space > 0
          suf = "\s"*n_space
        else
          suf = "\t"
          n_space = 1
        end
        for _row in _row_begin..._row_end
          if @text.get(_row.to_s+'.0',_row.to_s+'.'+n_space.to_s) == suf
            @text.delete(_row.to_s+'.0',_row.to_s+'.'+n_space.to_s)
          end
        end
        break
      end
    end
  }
end

#add_tag_breakpoint(_line) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1729

def add_tag_breakpoint(_line)
    rel_line = file_line_to_text_line_num_line(_line)
    if rel_line
      i1 = "#{rel_line}.0"
      i2 = i1+' + 2 chars'
      @text_line_num.tag_add('breakpoint',i1,i2)
    end
end

#arity_to_str(_arity = 0) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1021

def arity_to_str(_arity=0)
  ret = ''
  jolly_args = _arity < 0
  if jolly_args 
    _arity = _arity.abs - 1
  end
  j = _arity
  while j > 0
    if ret.strip.length > 0
      ret = "#{ret},"
    end
    ret = "#{ret}arg#{_arity-j+1}"
    j = j-1
  end
  if jolly_args 
    if ret.strip.length > 0
      ret = "#{ret},"
    end
    ret = "#{ret}*"
  end    
  ret    
end

#change_highlight(_ext) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1788

def change_highlight(_ext)
  new_highlight_scanner = @controller.highlight_scanner(_ext)
  if new_highlight_scanner != @highlight_scanner
    @highlight_scanner.classes.each{|c|
      @text.tag_remove(c,'1.0', 'end')
      @text.tag_delete(c)
      @is_tag_bold.delete(c)
    }
    @highlight_scanner = new_highlight_scanner
    reset_highlight
    if @highlight_scanner
      @highlight_scanner.classes.each{|c|
        do_tag_configure(c)
      }
      @highlighting = true
    else
      @highlighting = false
    end
  end
end

#check_file_last_access_time ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2736

def check_file_last_access_time
  if @file
    file_exist = File.exist?(@file)
    if @file_last_access_time && file_exist
      ftime = File.mtime(@file)
      if @file_last_access_time != ftime
        msg = 'File "'+@file+'" is changed! Reload?'
        if Tk.messageBox('icon' => 'error', 'type' => 'yesno',
          'title' => '(Arcadia) Libs', 'parent' => @text,
          'message' => msg) == 'yes'
          reload
          
        else
          @file_last_access_time = ftime
        end
      end
    elsif !file_exist
      msg = 'Appears that file "'+@file+'" was deleted by other process! Do you want to resave it?'
      if Tk.messageBox('icon' => 'error', 'type' => 'yesno',
        'title' => '(Arcadia) editor', 'parent' => @text,
        'message' => msg) == 'yes'
        save
      else
        @file = nil
        @buffer = ''
        set_modify
      end
    end
  end
end

#check_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2727

def check_modify
  return  if @loading
  if modified? 
    set_modify if !@set_mod
  else
    reset_modify
  end
end

#complete_code ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1011

def complete_code
  @do_complete = @do_complete && @controller.accept_complete_code
  if @do_complete
    line, col = @text.index('insert').split('.')
    mss = SafeCompleteCode.new(text_value, line.to_i, col.to_i, @file)
    candidates = mss.candidates
    raise_complete_code(candidates, line.to_s, col.to_s, mss.filter) if candidates && candidates.length > 0 
  end
end

#complete_code_begin ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 998

def complete_code_begin
  @n_complete_task = 1
  @text.configure('cursor'=> 'hand2')
  #disactivate_key_binding
end

#complete_code_end ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1004

def complete_code_end
  @text.configure('cursor'=> @text_cursor)
  #activate_key_binding
  @n_complete_task = 0
end

#create_temp_file ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 942

def create_temp_file
  if @file
    _file = @file+'~~'
  else
    n=0
    while File.exist?(File.join(Arcadia.instance.local_dir,"buffer#{n}~~"))
      n+=1
    end
    _file = File.join(Arcadia.instance.local_dir,"buffer#{n}~~")
  end
  f = File.new(_file, "w")
  begin
    if f
      f.syswrite(text_value)
    end
  ensure
    f.close unless f.nil?
  end
  _file
end

#create_temp_file_for_completion(_row) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 963

def create_temp_file_for_completion(_row)
  _custom_text = ""
  text_value_array = text_value.split("\n")
  text_value_array.each_with_index{|line,j|
    # 1) includiano i require e la riga da includere
    if line.include?("require") || j.to_i == _row.to_i-1
      _custom_text = "#{_custom_text}#{line}\n"
      #p "inserisco=>#{line} alla riga=>#{j}"
    elsif j.to_i == _row.to_i-2
      _custom_text = "#{_custom_text}$SAFE = 3\n"
    else
      _custom_text = "#{_custom_text}\n"
      #p "inserisco=>blank alla riga=>#{j}"
    end
    #p "riga:#{j}"
    break if j.to_i >= _row.to_i - 1
  }
  Arcadia.console(self, 'msg'=>_custom_text)

  if @file
    _file = @file+'~~'
  else
    _file = 'buffer~~'
  end
  f = File.new(_file, "w")
  begin
    if f
      f.syswrite(_custom_text)
    end
  ensure
    f.close unless f.nil?
  end
  _file
end

#destroy_outline ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2810

def destroy_outline
  @outline.destroy if @outline
  @outline = nil
end

#disactivate_key_binding ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1574

def disactivate_key_binding
  @text.bind_remove('KeyPress')
  @text.bind_remove('KeyRelease')
  @text.bind_remove('Control-KeyPress')
  @text.bind_remove('Control-Shift-KeyPress')
  @text.bind_remove('Shift-KeyPress')

end

#do_enter ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1583

def do_enter
  check_file_last_access_time
end

#do_line_update ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2499

def do_line_update
  #re num in @text_line_num the portion of visibled screen  of @text
    return if @loading
    if @text_line_num
      line_begin_index = @text.index('@0,0')
      line_begin = line_begin_index.split('.')[0].to_i
      line_end = @text.index('@0,'+TkWinfo.height(@text).to_s).split('.')[0].to_i + 1
      wrap_on = @text.cget("wrap") != 'none'
      # breakpoint
      b = @controller.breakpoint_lines_on_file(@file)
      if @highlighting
        _zone_begin = ((line_begin) / @highlight_zone_length).to_i + 1
        _zone_end = ((line_end) / @highlight_zone_length).to_i + 1
        #Arcadia.new_msg(self, "for lines #{line_begin}..#{line_end} \n
        #_zone_begin=#{_zone_begin} ; _zone_end=#{_zone_end}")
        (_zone_begin >=@last_zone_begin)?_zone_begin.upto(_zone_end+1){|_zone| 
          highlight_zone(_zone)
        }:_zone_end.downto(_zone_begin-1){|_zone| 
          highlight_zone(_zone)		
        }
        @last_line_begin = line_begin
        @last_line_end = line_end
        @last_zone_begin = _zone_begin
        @last_zone_end = _zone_end
      end
      @text_line_num.delete('1.0','end')
      

      _rx, _ry, _widht, _heigth = @text.bbox(line_begin_index);
      
      if _ry && _ry < 0 
        real_line_end = line_end + 1
      else
        real_line_end = line_end
      end

      _tags = Array.new
      for j in line_begin...real_line_end
        nline = j.to_s.rjust(line_end.to_s.length+2)
        _index = @text_line_num.index('end')
        _tags.clear
        if @highlighting && @is_line_bold[j]
          _tags << 'bold_case'
        else
          _tags << 'normal_case'
        end
        
        if wrap_on
          w_rx_b, w_ry_b, w_widht_b, w_heigth_b = @text.bbox("#{(j).to_s}.0");
          w_rx_e, w_ry_e, w_widht_e, w_heigth_e = @text.bbox("#{(j).to_s}.0 lineend");
          if w_ry_e && w_ry_b 
            delta = w_ry_e - w_ry_b
            if delta > 1   
              _tag = "wrap_case_#{j}"
              @text_line_num.tag_configure(_tag, 'spacing3'=>delta)  
              _tags << _tag
            end
          end
        end

        @text_line_num.insert(_index, "#{nline}\n",_tags)
        if b.include?(j.to_s)
          add_tag_breakpoint(j)
        end
      end
      if _ry && _ry < 0 
        @text_line_num.yview_scroll(_ry.abs+2,"pixels")
      end
    end
    refresh_outline if Tk.focus==@text
#      if TkWinfo.mapped?(@text_line_num)
#        x,y,w,h = @text.bbox("#{(line_end).to_s}.3");
#        @fm1.splitter_frame.go(w,0)
#        @fm1.do_resize
#      end
end

#do_tag_configure(_name) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1839

def do_tag_configure(_name)
  h = Hash.new
  if @lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.foreground']
    h['foreground']=@lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.foreground']
  end
  if @lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.background']
    h['background']=@lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.background']
  end
  if @lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.style']== 'bold'
    h['font']=@font_bold
    @is_tag_bold[_name]= true
  else
    @is_tag_bold[_name]= false
  end
  if @lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.relief']
    h['relief']=@lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.relief']
  end
  if @lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.borderwidth']
    h['borderwidth']=@lang_hash["#{@lang_hash['scanner']}.hightlight."+_name+'.borderwidth']
  end
  @text.tag_configure(_name, h)
end

#do_tag_configure_global(_name) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1863

def do_tag_configure_global(_name)
  h = Hash.new
  if $arcadia['conf']['editor.hightlight.'+_name+'.foreground']
    h['foreground']=$arcadia['conf']['editor.hightlight.'+_name+'.foreground']
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.background']
    h['background']=$arcadia['conf']['editor.hightlight.'+_name+'.background']
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.style']== 'bold'
    h['font']=@font_bold
    @is_tag_bold[_name]= true
  else
    @is_tag_bold[_name]= false
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.relief']
    h['relief']=$arcadia['conf']['editor.hightlight.'+_name+'.relief']
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.borderwidth']
    h['borderwidth']=$arcadia['conf']['editor.hightlight.'+_name+'.borderwidth']
  end
  @text.tag_configure(_name, h)
end

#file_extension(_filename = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2815

def file_extension(_filename=nil)
  if _filename
    _m = /(.*\.)(.*$)/.match(File.basename(_filename))
  end
  _ret = (_m && _m.length > 1)?_m[2]: nil
end

#file_line_to_text_line_num_line(_line) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1719

def file_line_to_text_line_num_line(_line)
  rel_line = nil
  line_begin = @text_line_num.get('1.0','1.end').strip.to_i
  line_end = @text_line_num.index('end').split('.')[0].to_i+line_begin
  if _line.to_i >= line_begin && _line.to_i <= line_end
    rel_line = _line.to_i - line_begin +1
  end  
  rel_line
end

#find ⇒ Object

show the “find in file” dialog



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# File 'ext/ae-editor/ae-editor.rb', line 1560

def find
  _r = @text.tag_ranges('sel')
  if _r.length>0
    _text=@text.get(_r[0][0],_r[0][1])
    if _text.length > 0
      @find.e_what.text(_text)
    end
  else
  end
  @find.use(self)
  @find.e_what.focus
  @find.show
end

#hide_outline ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2806

def hide_outline
  @outline.hide if @outline
end

#hide_spaces ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2442

def hide_spaces
  @text.tag_remove('spaces','1.0', 'end')
  @spaces_show = false
end

#hide_tabs ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2437

def hide_tabs
  @text.tag_remove('tabs','1.0', 'end')
  @tabs_show = false
end

#highlight_zone(_zone, _force_highlight = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2622

def highlight_zone(_zone, _force_highlight=false)
  if !@highlight_zone[_zone] || _force_highlight
    _b = @highlight_zone_length*(_zone - 1) +1
    _e = @highlight_zone_length*(_zone) #+ 1
    rehighlightlines(_b,_e)
    @highlight_zone[_zone] = true
  end
end

#highlightlines(_row_begin, _row_end, _check_mod = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2576

def highlightlines(_row_begin, _row_end, _check_mod = false)
  if _check_mod 
    check_modify
  end
  #_row_begin = _row_begin+1
  _ibegin = _row_begin.to_s+'.0'
  _iend = (_row_end+1).to_s+'.0'
  @highlight_scanner.classes.each{|c| @text.tag_remove(c,_ibegin, _iend)}
  _lines = @text.get(_ibegin, _iend)
  tags_map = @highlight_scanner.highlight_tags(_row_begin,_lines)
  tags_map.each do |key,value|      
    to_tag = Array.new
    value.each{|ite|
      to_tag.concat(ite)
      if @is_tag_bold[key.to_s]
        if ite.length==2
          row_begin = ite[0].split('.')[0].to_i
          row_end = ite[1].split('.')[0].to_i
          for row in row_begin..row_end 
            @is_line_bold[row]=true
          end
        end
#          ite.each{|p|
#            row_begin = p[0].split('.')[0].to_i
#            row_end = p[1].split('.')[0].to_i
#            for row in row_begin...row_end 
#              @is_line_bold[row]=true
#            end
#          }
      end
    }
    @text.tag_adds(key.to_s,to_tag)
  end
  if @tabs_show || @spaces_show
    if !defined?(@rescanner)
      if @lang_hash['scanner']!='re'
        @rescanner = ReHighlightScanner.new(@lang_hash) if !defined?(@rescanner)
      else
        @rescanner = @highlight_scanner
      end
    end
    @rescanner.highlight_tags(_row_begin,_lines,['tabs']) if @tabs_show
    @rescanner.highlight_tags(_row_begin,_lines,['spaces']) if @spaces_show
  end
end

#hscroll(mode, wrap_mode = "char") ⇒ Object

horizontal scrollbar : ON/OFF



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# File 'ext/ae-editor/ae-editor.rb', line 2255

def hscroll(mode, wrap_mode="char")
  st = TkGrid.info(@h_scroll)
  if mode && st == [] then
    @h_scroll.grid('row'=>1, 'column'=>0, 'sticky'=>'ew')
    @text.configure('wrap'=> 'none')
  elsif !mode && st != [] then
    @h_scroll.ungrid
    @text.configure('wrap'=> wrap_mode)
  end
  self
end

#indentation_space_2_tabs(_n_space = 2) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2397

def indentation_space_2_tabs(_n_space=2)
  _row = 1
  text_value_lines.each{|_line|
    m = /\s*/.match(_line)
    _end = 0
    if m && m.begin(0)==0
      _s = m[0]
      if !_s.include?("\n") && !_s.include?("\t")
        _ibegin = _row.to_s+'.0'
        _iend = _row.to_s+'.'+m.end(0).to_s
        _n_tab = (_s.length / _n_space).round
        @text.delete(_ibegin, _iend)
        @text.insert(_ibegin,"\t"*_n_tab )
      end
    end
    _row = _row+1
  }
  check_modify    
end

#indentation_tabs_2_space(_n_space = 2) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2417

def indentation_tabs_2_space(_n_space=2)
  _row = 1
  text_value_lines.each{|_line|
    m = /\t*/.match(_line)
    _end = 0
    if m && m.begin(0)==0
      _s = m[0]
      if !_s.include?("\n")
        _ibegin = _row.to_s+'.0'
        _iend = _row.to_s+'.'+m.end(0).to_s
        @text.delete(_ibegin, _iend)
        @text.insert(_ibegin,"\s"*_s.length*_n_space )
      end
    end
    _row = _row+1
  }
  check_modify    
end

#init_editing(_ext = 'rb', _w1 = 150, _w2 = 60) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2776

def init_editing(_ext='rb', _w1=150, _w2=60)
  @is_ruby = _ext=='rb'|| _ext=='rbw'
  @classbrowsing = @is_ruby
  @lang_hash = @controller.languages_hash(_ext)
#    @highlight_scanner = @controller.highlight_scanner(_ext)
#    if !_ext.nil? && @is_ruby
#      @fm = AGTkVSplittedFrames.new(@page_frame,_w1)
#      @fm1 = AGTkVSplittedFrames.new(@fm.right_frame,_w2)
#      initialize_tree(@controller.frame(1).hinner_frame)
#      initialize_tree(@fm.left_frame)
#    else
#      @fm1 = AGTkVSplittedFrames.new(@page_frame,_w2)
#    end
  @fm1 = AGTkVSplittedFrames.new(@page_frame,@page_frame,_w2)
  @fm1.splitter_frame.configure('relief'=>'flat')
  initialize_text(@fm1.right_frame)
  initialize_highlight(_ext)
  initialize_line_number(@fm1.left_frame)
  initialize_text_binding
end

#initialize_highlight(_ext) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1809

def initialize_highlight(_ext)
  @highlight_scanner = @controller.highlight_scanner(_ext)
  @is_line_bold = Hash.new
  @is_tag_bold = Hash.new
  do_tag_configure_global('debug')
  if @lang_hash.nil? || @highlight_scanner.nil?
    @highlighting = false
    return
  end
  @highlighting = true
  @highlight_zone = Hash.new;
#    @highlight_zone_length = 45;
  @highlight_zone_length = 60;
  @last_line_begin = 0
  @last_line_end = 0
  @last_zone_begin=0;
  @last_zone_end=0;
  @highlight_scanner.classes.each{|c|
    do_tag_configure(c)
  }

  ['sel','selected','tabs','spaces'].each{|_name|
    if @lang_hash['hightlight.'+_name+'.foreground']
      do_tag_configure(_name)
    else
      do_tag_configure_global(_name)
    end
  }
end

#initialize_line_number(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1625

def initialize_line_number(_frame)
  @text_line_num = TkText.new(_frame, Arcadia.style('linepanel')){
    wrap  'none'
    #relief 'flat'
    undo false
    takefocus 0
    insertofftime 0
    exportselection true
    autoseparators true
    cursor nil
    insertwidth 0
    font Arcadia.conf('edit.font')
    place(
      'x'=>0,
      'y'=>0,
      'relheight'=>1,
      'relwidth'=>1,
      'bordermode'=>'outside'
    )
  }
  delta = (@font_metrics_bold[2][1]-@font_metrics[2][1])
  @text_line_num.tag_configure('normal_case', 'justify'=>'right')
  @text_line_num.tag_configure('bold_case', 'spacing3'=>delta, 'justify'=>'right')
  @text_line_num.tag_configure('breakpoint', 'background'=>'red','foreground'=>'yellow','borderwidth'=>1, 'relief'=>'raised')
  @text_line_num.tag_configure('current', 
    'background'=>Arcadia.conf("activebackground"),
    'foreground'=>Arcadia.conf("activeforeground"),
    'relief'=>'flat'
  )
  
  @text_line_num.bind("Double-ButtonPress-1", 
    proc{|x,y| 
      _index = @text_line_num.index("@#{x},#{y}")
      _line = @text_line_num.get(_index+' linestart',_index+' lineend').strip
      toggle_breakpoint(_index)
    }, "%x %y")

  @text_line_num.bind("ButtonPress-1", proc{|x,y|
    _index = @text_line_num.index("@#{x},#{y}")
    _line = @text_line_num.get(_index+' linestart',_index+' lineend').strip
    @text_line_num_current_index = _index
    @text_line_num_current_line = _line
    @text_line_num.tag_remove('current',"0.1","end")
    @text_line_num.tag_add('current',_index+' linestart',_index+' lineend')
    @text_line_num.tag_raise('breakpoint')
    },
  "%x %y")
  
  #@text_line_num.configure('font', @font);
  @text_line_num.tag_configure('line_num',
    'foreground' => '#FFFFFF',
    'background' =>'#0000a0',
    'borderwidth'=>2,
    'relief'=>'raised'
  )
  
  #--- menu
  _pop_up = TkMenu.new(
    :parent=>@text_line_num,
    :tearoff=>0,
    :title => 'Menu'
  )
  _pop_up.configure(Arcadia.style('menu'))
  #Arcadia.instance.main_menu.update_style(@pop_up)
  _title_item = _pop_up.insert('end',
    :command,
    :label=>'...',
    :state=>'disabled',
    :background=>Arcadia.conf('titlelabel.background'),
    :hidemargin => true
  )

  _pop_up.insert('end',
    :command,
    :label=>'Toggle breakpoint',
    :hidemargin => false,
    :command=> proc{ 
      if defined?(@text_line_num_current_index)
        toggle_breakpoint(@text_line_num_current_index)
      end
    }
  )

  @text_line_num.bind("Button-3",
    proc{|*x|
      _x = TkWinfo.pointerx(@text_line_num)
      _y = TkWinfo.pointery(@text_line_num)
      _pop_up.entryconfigure(0,'label'=>"line #{@text_line_num_current_line}")

      _pop_up.popup(_x,_y)
    })
  
end

#initialize_text(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 908

def initialize_text(_frame)
  @text = TkScrollText.new(_frame, Arcadia.style('text')){|j|
    wrap  'none'
    undo true
#      insertofftime 200
#      insertontime 200
#      highlightthickness 0
#      insertwidth 3
    exportselection true
    autoseparators true
    padx 0
    tabs $arcadia['conf']['editor.tabs']
  }

  class << @text
    def tag_adds(tag, *args)
      tk_send_without_enc('tag', 'add', _get_eval_enc_str(tag), 
                          *args.flatten)
      self
    end
  end

  #do_tag_configure_global('debug')
  @text.tag_configure('eval','foreground' => 'yellow', 'background' =>'red','borderwidth'=>1, 'relief'=>'raised')
  @text.tag_configure('errline','borderwidth'=>1, 'relief'=>'groove')
  #@text.tag_configure('debug', 'background' =>'#b9c6d9', 'borderwidth'=>1 ,'relief'=>'raise')
  @buffer = text_value
  pop_up_menu
  @text.show
  @text.show_v_scroll
  @text.show_h_scroll
  @text_cursor = @text.cget('cursor')
end

#initialize_text_binding ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1587

def initialize_text_binding
  @text.add_yscrollcommand(proc{|first,last| self.do_line_update()})
  
  @text.tag_bind('selected', 'Enter', proc{@text.tag_remove('selected','1.0','end')})

  @text.bind("Enter", proc{do_enter})

  @text.bind("<Modified>"){|e|
    check_modify
  }
  activate_key_binding
  @text.bind_append("1"){
    Arcadia.process_event(InputEnterEvent.new(self,'receiver'=>@text))
    refresh_outline
  }
end

#insert_popup_menu_item(_where, *args) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2235

def insert_popup_menu_item(_where, *args)
  @pop_up.insert(_where,*args)
end

#load_file(_filename = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2822

def load_file(_filename = nil)
  #if filename is nil then open a new tab
  @loading=true
  @dos_line_endings=false
  begin
    @file = _filename
    if _filename
      #init_editing(file_extension(_filename))
      File::open(_filename,'rb'){ |file|
        @text.insert('end',file.readlines.collect!{| line | line.chomp}.join("\n"))
        #@text.insert('end',file.read)
      }
     File.open(_filename, 'rb') { |file|
       @dos_line_endings=true if file.read.include?("\r\n") # pesky windows line endings
     }
    end
    set_read_only(!File.stat(_filename).writable?)
    reset
    refresh
  ensure
    @loading=false
  end
end

#mark_debug(_index) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2225

def mark_debug(_index)
  @text.tag_add('debug',_index +' linestart', _index +' +1 lines linestart')
  #@text.tag_add('debug',_index +' linestart', _index +' lineend')
end

#mark_selected(_index) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2230

def mark_selected(_index)
  @text.tag_remove('selected','1.0', 'end')
  @text.tag_add('selected',_index +' linestart', _index +' +1 lines linestart')
end

#modified? ⇒ Boolean

modify in this instance means the (…) in the tab header of each file

Returns:

  • (Boolean) 


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# File 'ext/ae-editor/ae-editor.rb', line 2449

def modified?
  return !(@buffer === text_value)
end

#modified_from_opening? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/ae-editor/ae-editor.rb', line 893

def modified_from_opening?
  @modified_from_opening
end

#new_file_name(_new_file) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2719

def new_file_name(_new_file)
  @file =_new_file
  base_name= File.basename(_new_file)
  if base_name.include?('.')
    self.change_highlight(base_name.split('.')[-1])
  end
end

#pop_up_menu ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1886

def pop_up_menu
  @pop_up = TkMenu.new(
    :parent=>@text,
    :tearoff=>0,
    :title => 'Menu'
  )
  @pop_up.configure(Arcadia.style('menu'))
  
  @pop_up.insert('end',
    :command,
    :state=>'disabled',
    :background=>Arcadia.conf('titlelabel.background'),
    :font => "#{Arcadia.conf('menu.font')} bold",
    :hidemargin => true
  )

  
  #Arcadia.instance.main_menu.update_style(@pop_up)
  @pop_up.insert('end',
    :command,
    :label=>'Save as',
    :hidemargin => false,
    :command=> proc{save_as}
  )
  @pop_up.insert('end',
    :command,
    :label=>'Save',
    :hidemargin => false,
    :command=> proc{save}
  )

  @pop_up.insert('end', :separator)

  @pop_up.insert('end',
    :command,
    :label=>'Close',
    :hidemargin => false,
    :command=> proc{@controller.close_editor(self)}
  )

  @pop_up.insert('end',
    :command,
    :label=>'Close others',
    :hidemargin => false,
    :command=> proc{@controller.close_others_editor(self)}
  )

  @pop_up.insert('end',
    :command,
    :label=>'Close all',
    :hidemargin => false,
    :command=> proc{@controller.close_all_editor(self)}
  )

  @pop_up.insert('end', :separator)

  @pop_up.insert('end',
    :command,
    :label=>'Copy',
    :hidemargin => false,
    :command=> proc{
      @text.event_generate("Control-KeyPress",:keysym=>'c')
      @text.event_generate("Control-KeyRelease",:keysym=>'c')
    }
  )

  @pop_up.insert('end',
    :command,
    :label=>'Cut',
    :hidemargin => false,
    :command=> proc{
      @text.event_generate("Control-KeyPress",:keysym=>'x')
      @text.event_generate("Control-KeyRelease",:keysym=>'x')
    }
  )


  @pop_up.insert('end',
    :command,
    :label=>'Paste',
    :hidemargin => false,
    :command=> proc{
      @text.event_generate("Control-KeyPress",:keysym=>'v')
      @text.event_generate("Control-KeyRelease",:keysym=>'v')
    }
  )


  @pop_up.insert('end',
    :command,
    :label=>'Undo',
    :hidemargin => false,
    :command=> proc{
      @text.event_generate("Control-KeyPress",:keysym=>'z')
      @text.event_generate("Control-KeyRelease",:keysym=>'z')
    }
  )


  @pop_up.insert('end', :separator)

  @pop_up.insert('end',
    :command,
    :label=>'Color',
    :hidemargin => false,
    :command=> proc{
      @text.insert('insert',Tk.chooseColor)
    }
  )
  @pop_up.insert('end',
    :command,
    :label=>'Font',
    :hidemargin => false,
    :command=> proc{
      @text.insert('insert', $arcadia['action.get.font'].call)
    }
  )
  
  @pop_up.insert('end',
    :command,
    :label=>'Data image from file',
    :hidemargin => false,
    :command=>       proc{
      file = Arcadia.open_file_dialog
      if file
        require 'base64'
        f = File.open(file,"rb")
        data = f.read
        f.close
        encoded = Base64.encode64( data )
        @text.insert('insert', File.basename(file).gsub('.gif','_gif').gsub('-','_').upcase + "=<<EOS\n")
        @text.insert('insert', "#{encoded}")
        @text.insert('insert', "EOS\n")
      end
    }
  )

  @pop_up.insert('end',
    :command,
    :label=>'View image from data',
    :hidemargin => false,
    :command=> proc{
      _r = @text.tag_ranges('sel')
      if _r.length>0
        _data=@text.get(_r[0][0],_r[0][1])
        if _data.length > 0
          _b = TkButton.new(@text, 
            'command'=>proc{_b.destroy},
            'image'=> TkPhotoImage.new('data' => _data),
            'relief'=>'groove')
          TkTextWindow.new(@text, _r[0][1], 'window'=> _b)
        end
      end
    }
  )

  @pop_up.insert('end',
    :command,
    :label=>'Data image to file',
    :hidemargin => false,
    :command=> proc{
      _r = @text.tag_ranges('sel')
      if _r.length>0
        _data=@text.get(_r[0][0],_r[0][1])
        if _data.length > 0
          file = Tk.getSaveFile("filetypes"=>[["Image", [".gif"]],["All Files", [".*"]]])
          if file
            require 'base64'
            decoded = Base64.decode64(_data)
            f = File.new(file, "w")
            begin
              if f
                f.syswrite(decoded)
              end
            ensure
              f.close unless f.nil?
            end
          end
        end
      end
    }
  )

  @pop_up.insert('end', :separator)

  #---- debug menu
  _sub_debug = TkMenu.new(
    :parent=>@pop_up,
    :tearoff=>0,
    :title => 'Debug'
  )
  _sub_debug.configure(Arcadia.style('menu'))
  _sub_debug.insert('end',
    :command,
    :label=>'Eval selected',
    :hidemargin => false,
    :command=> proc{
      _r = @text.tag_ranges('sel')
      if _r.length>0
        _text=@text.get(_r[0][0],_r[0][1])
        if _text.length > 0
          Arcadia.process_event(EvalExpressionEvent.new(self, 'expression'=>_text))
          #EditorContract.instance.eval_expression(self, 'text'=>_text)
        end
      end
    }
  )

  @pop_up.insert('end',
    :cascade,
    :label=>'Debug',
    :menu=>_sub_debug,
    :hidemargin => false
  )


  #---- code menu
  _sub_code = TkMenu.new(
    :parent=>@pop_up,
    :tearoff=>0,
    :title => 'Code'
  )
  _sub_code.configure(Arcadia.style('menu'))
  _sub_code.insert('end',
    :command,
    :label=>'Set wrap',
    :hidemargin => false,
    :command=> proc{@text.configure('wrap'=>'word');@text.hide_h_scroll}
  )

  _sub_code.insert('end',
    :command,
    :label=>'Set no wrap',
    :hidemargin => false,
    :command=> proc{@text.configure('wrap'=>'none');@text.show_h_scroll}
  )

  _sub_code.insert('end',
    :command,
    :label=>'Selection to uppercase',
    :hidemargin => false,
    :command=> proc{
      _r = @text.tag_ranges('sel')
      if _r.length>0
        _text=@text.get(_r[0][0],_r[0][1])
        if _text.length > 0
          @text.delete(_r[0][0],_r[0][1])
          @text.insert(_r[0][0],_text.upcase)
        end
      end
    }
  )

  _sub_code.insert('end',
    :command,
    :label=>'Selection to downcase',
    :hidemargin => false,
    :command=> proc{
      _r = @text.tag_ranges('sel')
      if _r.length>0
        _text=@text.get(_r[0][0],_r[0][1])
        if _text.length > 0
          @text.delete(_r[0][0],_r[0][1])
          @text.insert(_r[0][0],_text.downcase)
        end
      end
    }
  )



  _sub_code.insert('end',
    :command,
    :label=>'Show tabs',
    :hidemargin => false,
    :command=> proc{show_tabs}
  )


  _sub_code.insert('end',
    :command,
    :label=>'Hide tabs',
    :hidemargin => false,
    :command=> proc{hide_tabs}
  )

  _sub_code.insert('end',
    :command,
    :label=>'Show spaces',
    :hidemargin => false,
    :command=> proc{show_spaces}
  )


  _sub_code.insert('end',
    :command,
    :label=>'Hide spaces',
    :hidemargin => false,
    :command=> proc{hide_spaces}
  )


  _sub_code.insert('end',
    :command,
    :label=>'Space to tabs indentation',
    :hidemargin => false,
    :command=> proc{indentation_space_2_tabs}
  )

  _sub_code.insert('end',
    :command,
    :label=>'Tabs to space indentation',
    :hidemargin => false,
    :command=> proc{indentation_tabs_2_space}
  )

  
  @pop_up.insert('end',
    :cascade,
    :label=>'Code',
    :menu=>_sub_code,
    :hidemargin => false
  )
  
  @text.bind(@controller.conf('popup.bind.shortcut'),
    proc{|x,y|
      _x = TkWinfo.pointerx(@text)
      _y = TkWinfo.pointery(@text)
      @pop_up.entryconfigure(0, 'label'=>File.basename(@file)) if @file
      @pop_up.popup(_x,_y)
    },
  "%x %y")
end

#pos_to_index(_txt, _pos) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2467

def pos_to_index(_txt, _pos)
  _a= _txt[0.._pos].split("\n")
  if _a && _a.length > 0
    _row = _a.length
    if _a.length == 2
      _col = _a[-1].length - 1
    else
      _col = _pos
    end
    return [_row,_col]
  else
    return nil
  end
end

#raise_complete_code(_candidates, _row, _col, _filter = '') ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1045

def raise_complete_code(_candidates, _row, _col, _filter='')
  @raised_listbox_frame.destroy if @raised_listbox_frame != nil
  _index_call = _row+'.'+_col
  _index_now = @text.index('insert')
  if _index_call == _index_now 
    _target = @text.get('insert - 1 chars wordstart','insert')
    if _target.strip == '('
      _target = @text.get('insert - 2 chars wordstart','insert')
    end
    if _target.strip.length > 0 && _target != '.'
      extra_len = _target.length.+@
      _begin_index = _index_now<<' - '<<extra_len.to_s<<' chars'
      @text.tag_add('sel', _begin_index, _index_now)
    else
      _begin_index = _index_now
      extra_len = 0
    end
    if _candidates.length >= 1 
        _rx, _ry, _widht, heigth = @text.bbox(_begin_index);
        _x = _rx + TkWinfo.rootx(@text)  
        _y = _ry + TkWinfo.rooty(@text)  + @font_metrics[2][1]
        _xroot = _x - TkWinfo.rootx(Arcadia.instance.layout.root)  
        _yroot = _y - TkWinfo.rooty(Arcadia.instance.layout.root)  
        
        _max_height = TkWinfo.screenheight(Arcadia.instance.layout.root) - _y - 5
        self.complete_code_begin
        
    #    @raised_listbox_frame = TkResizingTitledFrame.new(Arcadia.instance.layout.root)
        @raised_listbox_frame = TkFrame.new(Arcadia.instance.layout.root, {
          :padx=>"1",
          :pady=>"1",
          :background=> Arcadia.conf("foreground")
        })
        
        @raised_listbox = TkTextListBox.new(@raised_listbox_frame, {
          :takefocus=>true, 
          :selectbackground=>Arcadia.conf('hightlight.1.background'),
          :selectforeground=>Arcadia.conf('hightlight.1.foreground')}.update(Arcadia.style('listbox'))
        )
        _char_height = @font_metrics[2][1]
        _width = 0
        _docs_entries = Hash.new
        _item_num = 0
        _update_list = proc{|_in|
            _in.strip!
            @raised_listbox.clear
            _length = 0
            _candidates.each{|value|
              _doc = value.strip
              _class, _key, _arity = _doc.split('#')
              if _key && _arity
                args = arity_to_str(_arity.to_i)
                if args.length > 0
                  _key = "#{_key}(#{args})"
                end
              end
              
              if _key && _class && _key.strip.length > 0 && _class.strip.length > 0 
                _item = "#{_key.strip} - #{_class.strip}"
              elsif _key && _key.strip.length > 0
                _item = "#{_key.strip}"
              else
                _key = "#{_doc.strip}"
                _item = "#{_doc.strip}"
              end
              if _in.nil? || _in.strip.length == 0 || _item[0.._in.length-1] == _in 
              #|| _item[0.._in.length-1].downcase == _in
                _docs_entries[_item]= _doc
       #         @raised_listbox.insert('end', _item)
                @raised_listbox.add(_item)
                _temp_length = _item.length
                _length = _temp_length if _temp_length > _length 
                _item_num = _item_num+1 
                _last_valid_key = _key
              end
            }
            _width = _length*8
            @raised_listbox.select(1)
 #             p "_update_list end-->#{Time.new}"

            Tk.event_generate(@raised_listbox, "1") if TkWinfo.mapped?(@raised_listbox)
        }

        _insert_selected_value = proc{
          #_value = @raised_listbox.get('active').split('-')[0].strip
          if @raised_listbox.selected_line && @raised_listbox.selected_line.strip.length>0
            _value = @raised_listbox.selected_line.split('-')[0].strip
            @raised_listbox_frame.grab("release")
            @raised_listbox_frame.destroy
            #_menu.destroy
            @text.focus
            @text.delete(_begin_index,'insert')

            # workaround for @ char
            _value = _value.strip
            if _value[0..0] !=_target[0..0] && _value[1..1] == _target[0..0]
              _value = _value[1..-1]
            end
            @text.insert('insert',_value)
            complete_code_end
            
            _to_search = 'arg1'
            _argindex = @text.search(_to_search,_begin_index)
            if !(_argindex && _argindex.length>0)
              _to_search = '*'
              _argindex = @text.search(_to_search,_begin_index)
            end
            if _argindex && _argindex.length>0
              _argrow, _argcol = _argindex.split('.')
              if _argrow.to_i == _row.to_i
                _argindex_sel_end = _argrow.to_i.to_s+'.'+(_argcol.to_i+_to_search.length).to_i.to_s
                @text.tag_add('sel', _argindex,_argindex_sel_end)
                @text.set_insert(_argindex)
              end
            end
          end
          
          Tk.callback_break
        }
        _update_list.call(_filter)
        if _item_num == 0
          @raised_listbox_frame.destroy
          self.complete_code_end
          return
        elsif _item_num == 1 
          _insert_selected_value.call
          return
        end
        _width = _width + 30
        #_height = (candidates.length+1)*_char_height
        _height = 15*_char_height
        _height = _max_height if _height > _max_height
        
        _buffer = @text.get(_begin_index, 'insert')
        _buffer_ini_length = _buffer.length
        @raised_listbox_frame.place('x'=>_xroot,'y'=>_yroot, 'width'=>_width, 'height'=>_height)
        @raised_listbox.show(0,0,'inside')
        @raised_listbox.show_v_scroll
        @raised_listbox.focus
        #@raised_listbox.activate(0)
        @raised_listbox.select(1)
        @raised_listbox_frame.grab("set")
     #   Tk.event_generate(@raised_listbox, "1")
     
     
        @raised_listbox.bind_append("Double-ButtonPress-1", 
          proc{|x,y| 
            _index = @raised_listbox.index("@#{x},#{y}")
            _line = _index.split('.')[0].to_i
            @raised_listbox.select(_line)
            _insert_selected_value.call
              }, "%x %y")
        @raised_listbox.bind_append('Shift-KeyPress'){|e|
          # todo
          case e.keysym
            when 'parenleft'
              @text.insert('insert','(')
              _buffer = _buffer + '('
              _item_num = 0
              _update_list.call(_buffer)
              if _item_num == 1
                _insert_selected_value.call
              end
              Tk.callback_break
            when 'A'..'Z','equal','greater'
              if e.keysym == 'equal'
                ch = '='
              elsif e.keysym == 'greater'
                ch = '>'
              else
                ch = e.keysym
              end
              @text.insert('insert',ch)
              _buffer = _buffer + ch
              _update_list.call(_buffer)
              Tk.callback_break
            else
              if e.keysym.length > 1 
                p ">#{e.keysym}<"
                Tk.callback_break
              end
          end
        }
        @raised_listbox.bind_append('KeyPress'){|e|
          case e.keysym
            when 'Escape'
              @raised_listbox.grab("release")
              @raised_listbox_frame.destroy
              complete_code_end
              @text.focus
              #_menu.destroy
              Tk.callback_break
#                when 'Return'
#                  _insert_selected_value.call
            when 'F1'
              _key = @raised_listbox.selected_line.split('-')[0].strip
              _x, _y = xy_insert
              Arcadia.process_event(DocCodeEvent.new(self, 'doc_entry'=>_docs_entries[_key], 'xdoc'=>_x, 'ydoc'=>_y))
              #EditorContract.instance.doc_code(self, 'doc_entry'=>_docs_entries[_key], 'xdoc'=>_x, 'ydoc'=>_y)
            when 'a'..'z','less','space'
              if e.keysym == 'less'
                ch = '<'
              elsif e.keysym == 'space'
                ch = ''
              else
                ch = e.keysym
              end
              @text.insert('insert',ch)
              _buffer = _buffer + ch
              _update_list.call(_buffer)
              Tk.callback_break
            when 'BackSpace'
              if _buffer.length > _buffer_ini_length
                @text.delete("#{_begin_index} + #{_buffer.length-1} chars" ,'insert')
                _buffer = _buffer[0..-2]
                Tk.update
                _update_list.call(_buffer)
                Tk.callback_break
              end
            when 'Next', 'Prior'
            else
              Tk.callback_break
          end
        }
        @raised_listbox.bind_append('KeyRelease'){|e|
          case e.keysym
            when 'Return'
              _insert_selected_value.call
          end
        }
      elsif _candidates.length == 1 && _candidates[0].length>0
        @text.delete(_begin_index,'insert');
        @text.insert('insert',_candidates[0].split[0])
        complete_code_end
      end
  end
end

#refresh ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2865

def refresh
  @outline.build_tree if @outline && @classbrowsing #&& !is_exp_hide?
end

#refresh_outline ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1604

def refresh_outline
  if @outline
    Tk.after(1,proc{ @outline.update_row(self.row)})
  end
end

#rehighlightlines(_row_begin, _row_end, _check_mod = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2483

def rehighlightlines(_row_begin, _row_end, _check_mod=false)
  _ibegin = _row_begin.to_s+'.0'
  _iend = (_row_end+1).to_s+'.0'
  @highlight_scanner.classes.each{|c| @text.tag_remove(c,_ibegin, _iend)}
  highlightlines(_row_begin, _row_end, _check_mod)
end

#reload ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2767

def reload
  pos_index = @text.index('insert') 
  @text.delete('1.0','end')
  reset_highlight if @highlighting
  load_file(@file)
  @text.see(pos_index)
  @text.set_insert(pos_index)
end

#remove_tag_breakpoint(_line) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1738

def remove_tag_breakpoint(_line)
    rel_line = file_line_to_text_line_num_line(_line)
    if rel_line
      i1 = "#{rel_line}.0"
      i2 = i1+' lineend'
      @text_line_num.tag_remove('breakpoint',i1,i2)
    end
end

#reset ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2859

def reset
  @buffer = text_value
  reset_modify
  @text.edit_reset
end

#reset_highlight ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1779

def reset_highlight
  @is_line_bold.clear
  @highlight_zone.clear if @highlighting
  @last_line_begin=0
  @last_line_end=0
  @last_zone_begin=0
  @last_zone_end=0
end

#reset_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2461

def reset_modify
  @controller.change_tab_reset_modify(@page_frame)
  @set_mod = false
  @file_last_access_time = File.mtime(@file) if @file
end

#row(_index = 'insert') ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2490

def row(_index='insert')
  _row = @text.index(_index).split('.')[0].to_i
  return _row
end

#rowcol(_index, _gap_row = nil, _gap_col = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2267

def rowcol(_index, _gap_row = nil, _gap_col = nil)
  _riga, _colonna = _index.split('.')
  if _gap_row == nil
    _riga = '1'
    _gap_row = 0
  end
  if _gap_col == nil
    _colonna = '0'
    _gap_col = 0
  end
  return (_riga.to_i + _gap_row).to_s + '.'+ (_colonna.to_i + _gap_col).to_s
end

#run_buffer ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1610

def run_buffer
  if !@file
    _file = create_temp_file
    begin
      _event = Arcadia.process_event(RunRubyFileEvent.new(self, 'file'=>_file, 'persistent'=>false))
    ensure
      _event.add_finalize_callback(proc{File.delete(_file) if File.exist?(_file)})
     # File.delete(_file) if File.exist?(_file)
    end
  else
    save if !@read_only
    Arcadia.process_event(RunRubyFileEvent.new(self, 'file'=>@file, 'persistent'=>true))
  end
end

#save(ignore_read_only = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2675

def save ignore_read_only = false
  if !@file
    save_as
  elsif @read_only && !ignore_read_only
    r=Arcadia.dialog(self,
    'type' => 'yes_no_cancel',
    'title' =>"#{@file}:read-only",
    'msg' =>"The file : #{@file} is read-only! -- save anyway?",
    'level' =>'warning')
    if r=="yes"
      save true
    end
  else
    f = File.new(@file, "wb")
    begin
      if f
 to_write = text_value
 if @dos_line_endings
   # we stripped these out, previously...
   # for now assume they want them all this way, no mixing and matching...
   to_write = to_write.gsub("\n", "\r\n")
 end
        f.syswrite(to_write)
        @buffer = text_value
        reset_modify
      end
    ensure
      f.close unless f.nil?
    end
    #EditorContract.instance.file_saved(self,'file' =>@file)
  end
end

#save_as ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2708

def save_as
  file = Tk.getSaveFile("filetypes"=>[["Ruby Files", [".rb", ".rbw"]],["All Files", [".*"]]])
  file = nil if file == ""  # cancelled
  if file
    new_file_name(file)
    save
    @controller.change_file_name(@page_frame, file)
    #EditorContract.instance.file_created(self, 'file'=>@file)
  end
end

#set_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2453

def set_modify
  if !@set_mod
    @set_mod = true
    @modified_from_opening = true
    @controller.change_tab_set_modify(@page_frame)
  end
end

#set_read_only(_value) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2846

def set_read_only(_value)
  if @read_only != _value
    @read_only = _value
    if @read_only
      #@text.configure('state'=>'disabled')
      @controller.change_tab_set_read_only(@page_frame)
    else
      #@text.configure('state'=>'normal')
      @controller.change_tab_reset_read_only(@page_frame)
    end
  end
end

#show_chars_line(_row, _line, _re, _tag) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2384

def show_chars_line(_row, _line, _re, _tag)
  m = _re.match(_line)
  _end = 0
  while m
    _txt = m.post_match
    _ibegin = _row.to_s+'.'+(m.begin(0)+_end).to_s
    _end = m.end(0) + _end
    _iend = _row.to_s+'.'+(_end.to_s)
    @text.tag_add(_tag,_ibegin, _iend)
    m = _re.match(_txt)
  end
end

#show_outline ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2797

def show_outline
  if @outline
    @outline.show
  else
    @outline=AgEditorOutline.new(self,@controller.frame(1).hinner_frame,@controller.outline_bar)
    @outline.build_tree
  end
end

#show_spaces ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2364

def show_spaces
  @spaces_show = true
  _row = 1
  text_value_lines.each{|_line|
    show_chars_line(_row, _line, /[ ^\t]\s*/, 'spaces')
    _row = _row+1
  }
end

#show_tabs ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2374

def show_tabs
  @tabs_show = true
  _row = 1
  text_value_lines.each{|_line|
    show_chars_line(_row, _line, /\t/, 'tabs')
    _row = _row+1
  }
end

#text_insert(index, chars, *tags, &b) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2641

def text_insert(index, chars, *tags, &b)
  if block_given?
    instance_eval(&b)
  end
  _index = @text.index(index)
  _row, _col  = _index.split('.')
  _row = (_row.to_i - 1).to_s
  chars.each_line {|line|
    @text.insert(_row+'.0', line, *tags)
    if !defined?(m_begin)||(m_begin == nil)
      m_begin = /=begin/.match(line)
    end
    if @highlighting
      if m_begin &&(m_begin.begin(0)==0)
        _ibegin = _row+'.0'
        _iend = _row+'.'+(line.length - 1).to_s
        @text.tag_add('comment',_ibegin, _iend)
      else
        #highlightline(_row.to_i, line, false)
        highlightlines(_row.to_i, _row.to_i, false)
      end
    end
    _row = (_row.to_i + 1).to_s
  }
  if defined?(_edit_reset)
    if _edit_reset
      @text.edit_reset
    end
  else
    @text.edit_reset
  end
end

#text_insert_index ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2637

def text_insert_index
  @text.index('insert')
end

#text_see(_index = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2631

def text_see(_index=nil)
  if _index
    @text.see(_index)
  end
end

#text_value ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2239

def text_value
  return @text.value
end

#text_value_lines ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2356

def text_value_lines
  if String.method_defined?(:lines)
    return @text.value.lines
  else
    return @text.value
  end
end

#toggle_breakpoint(_index = nil) ⇒ Object

def remove_tag_breakpoint(_index=nil)

    _i1 = _index+' linestart'
    _i2 = _index+' lineend'
    #p "Editor: _i1:#{_i1}  _i2:#{_i2}"
    @text_line_num.tag_remove('breakpoint',_i1,_i2)
end



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# File 'ext/ae-editor/ae-editor.rb', line 1762

def toggle_breakpoint(_index=nil)
  if !_index.nil?
    _line = @text_line_num.get(_index+' linestart',_index+' lineend').strip
    _i1 = _index+' linestart'
    _i2 = _i1+' + 2 chars'
    
    if @controller.breakpoint_lines_on_file(@file).include?(_line)
      #remove_tag_breakpoint(_index)
      @controller.breakpoint_del(@file, _line)
    else
      @text_line_num.tag_remove('current',_i1,_i2)
      #add_tag_breakpoint(_index)
      @controller.breakpoint_add(@file, _line)
    end
  end
end

#unmark_debug(_index) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2220

def unmark_debug(_index)
  @text.tag_remove('debug',_index +' linestart', _index +' +1 lines linestart')
  #@text.tag_remove('debug',_index+' linestart', _index+' lineend')
end

#vscroll(mode) ⇒ Object

vertical scrollbar : ON/OFF



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# File 'ext/ae-editor/ae-editor.rb', line 2244

def vscroll(mode)
  st = TkGrid.info(@v_scroll)
  if mode && st == [] then
    @v_scroll.grid('row'=>0, 'column'=>1, 'sticky'=>'ns')
  elsif !mode && st != [] then
    @v_scroll.ungrid
  end
  self
end

#xy_insert ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 897

def xy_insert
  _index_now = @text.index('insert')
  _rx, _ry, _widht, _heigth = @text.bbox(_index_now);
  _x = _rx + TkWinfo.rootx(@text)  
  _y = _ry + TkWinfo.rooty(@text)  + @font_metrics[2][1]
  _xroot = _x - TkWinfo.rootx(Arcadia.instance.layout.root)  
  _yroot = _y - TkWinfo.rooty(Arcadia.instance.layout.root)  
  return _xroot, _yroot
end

#zone_of_row(_row) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2495

def zone_of_row(_row)
  ((_row) / @highlight_zone_length).to_i + 1
end