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 36

def initialize(_controller, _page_frame)
  @controller = _controller
  @page_frame = _page_frame
  @set_mod = false
#    @fm = AGTkVSplittedFrames.new(@page_frame,150)
#    @fm1 = AGTkVSplittedFrames.new(@fm.right_frame,60)
  @font = @controller.conf('font')
  @font_bold = @controller.conf('font.bold')
  @font_metrics = TkFont.new(@font).metrics
  @font_metrics_bold = TkFont.new(@font_bold).metrics
#    initialize_text
#    initialize_text_binding
#    initialize_highlight
#    initialize_line_number
#    initialize_tree
  @highlighting = false
  @classbrowsing = false
  @find = @controller.get_find
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'ext/ae-editor/ae-editor.rb', line 33

def file
  @file
end

#page_frame ⇒ Object (readonly)

Returns the value of attribute page_frame.



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# File 'ext/ae-editor/ae-editor.rb', line 34

def page_frame
  @page_frame
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'ext/ae-editor/ae-editor.rb', line 35

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 35

def text
  @text
end

Instance Method Details

#build_tree(_sel = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 711

def build_tree(_sel=nil)
  if _sel
    _label_sel = @tree_exp.itemcget(_sel,'text')
  end
  #clear tree
  @tree_exp.delete(@nodes)
  @nodes.clear
  #(re)build tree
  _txt = @text.get('1.0','end')
  @root = build_tree_from_source(_txt)
  @selected = nil
  build_tree_from_node(@root, _label_sel)
  if @selected
    @tree_exp.selection_add(@selected.rif)
  end
end

#build_tree_from_node(_node, _label_match = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 671

def build_tree_from_node(_node, _label_match=nil)
  _sorted_sons = _node.sons.sort
  for inode in 0.._sorted_sons.length - 1
    _son = _sorted_sons[inode]
    if _son.kind == 'KClass'
      _window = TkLabel.new(@fm.left_frame){
        image  TkPhotoImage.new('dat' => TREE_NODE_CLASS_GIF)
        background($arcadia['conf']['editor.explorer_panel.tree.color.background'])
      }
    elsif _son.kind == 'KModule'
      _window = TkLabel.new(@fm.left_frame){
        image  TkPhotoImage.new('dat' => TREE_NODE_MODULE_GIF)
        background($arcadia['conf']['editor.explorer_panel.tree.color.background'])
      }
    elsif _son.kind == 'KDef'
      _window = TkLabel.new(@fm.left_frame){
        image  TkPhotoImage.new('dat' => TREE_NODE_DEF_GIF)
        background($arcadia['conf']['editor.explorer_panel.tree.color.background'])
      }
    elsif _son.kind == 'KDefClass'
      _window = TkLabel.new(@fm.left_frame){
        image  TkPhotoImage.new('dat' => TREE_NODE_DEFCLASS_GIF)
        background($arcadia['conf']['editor.explorer_panel.tree.color.background'])
      }
    end
    @tree_exp.insert('end', _son.parent.rif ,_son.rif, {
      'text' =>  _son.label ,
      'helptext' => _son.helptext,
      'font'=>$arcadia['conf']['editor.explorer_panel.tree.font'],
      'window'=> _window
    }
    )
    @nodes << _son.rif
    if (_label_match) && (_label_match.strip == _son.label.strip)
      @selected = _son
    end
    build_tree_from_node(_son, _label_match)
  end
end

#build_tree_from_source(_source) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 588

def build_tree_from_source(_source)
  _row = 1
  _liv = 0
  _livs = Array.new
  root = TreeNode.new(nil, 'KRoot'){|_node|
    _node.rif= 'root'
    _node.label=''
  }
  _livs[_liv]=root
  _source.each_line{|line|
    line = "\s"+line.split("#")[0]+"\s"
    m = /[\s\n\t\;]+(module|class|def|if|unless|begin|case|for|while|do)[\s\n\t\;]+/.match(line)
    if m
      index = m.post_match.strip.length - 1
      if m.post_match.strip[index,index]=='{'
        _row = _row +1
        next
      end
      _liv>=0? _liv = _liv + 1:_liv=1
      _pliv = _liv
      _parent = nil
      while (_parent == nil && _pliv>=0)
        _pliv = _pliv -1
        _parent = _livs[_pliv]
      end
      if _parent
        _helptext = m.post_match.strip
        _label = _helptext.split('<')[0]
        if _label == nil || _label.strip.length==0
          _label = _helptext
        end
        if (m[0].strip[0..4] == "class" && m.pre_match.strip.length==0)
          _kind = 'KClass'
        elsif (m[0].strip[0..4] == "class" && m.pre_match.strip.length>0)
          _row = _row +1
          _liv = _liv - 1
          next
        elsif (m[0].strip[0..5] == "module" && m.pre_match.strip.length==0)
          _kind = 'KModule'
        elsif (m[0].strip[0..5] == "module" && m.pre_match.strip.length>0)
          _row = _row +1
          _liv = _liv - 1
          next
        elsif ((m[0].strip[0..4] == "begin")||(m[0].strip[0..3] == "case") ||(m[0].strip[0..4] == "while") || (m[0].strip[0..2] == "for") || (m[0].strip[0..1] == "do") || ((m[0].strip[0..1] == "if" || m[0].strip[0..5] == "unless") && m.pre_match.strip.length==0))
          _row = _row +1
          next
        elsif ((m[0].strip[0..1] == "if" || m[0].strip[0..5] == "unless") && m.pre_match.strip.length>0)
          _row = _row +1
          _liv = _liv - 1
          next
        elsif (m[0].strip[0..2] == "def" && m.pre_match.strip.length==0)
          _kind = 'KDef'
          if _label.include?(_parent.label + '.')
            _kind = 'KDefClass'
          end
#          elsif (m[0].strip[0..10] == "attr_reader" && m.pre_match.strip.length==0)
#            _kind = 'KAttr_reader'
#            _liv = _liv - 1
#            _row = _row +1
        end

        @nodes << _row.to_s
        TreeNode.new(_parent, _kind){|_node|
          _node.label = _label
          _node.helptext = _helptext
          _node.rif = _row.to_s
          _livs[_pliv + 1]=_node
        }
      else
        _row = _row +1
        _liv = _liv - 1
        next
      end
    end
    m_end = /[\s\n\t\;]+end[\s\n\t\;]+/.match(line)
    if m_end
      _liv = _liv - 1
    end
    _row = _row +1
  }
  return root
end

#check_file_last_access_time ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 994

def check_file_last_access_time
  if @file && @file_last_access_time
  
    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'
            @text.delete('1.0','end')
					load_file(@file)
			  else
			    @file_last_access_time = ftime
         end
    end
  end
end

#do_line_update ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 876

def do_line_update
  #renum in @text_line_num the portion of visibled screen  of @text
  if @text_line_num
    incr = 1 + (@font_metrics[2][1]+@font_metrics_bold[2][1]) / 4
    line_begin = @text.index('@0,0').split('.')[0].to_i
    line_end = @text.index('@0,'+TkWinfo.height(@text).to_s).split('.')[0].to_i + 1
    # breakpoint
    b = @controller.breakpoint_lines_on_file(@file)
    @text_line_num.delete('1.0','end')
    for j in line_begin...line_end
      nline = j.to_s.rjust(6)
      _index = @text_line_num.index('end')
      if @hightliting && @is_line_bold[j]
        @text_line_num.insert('end', nline+"\n",'bold_case')
      else
        @text_line_num.insert('end', nline+"\n")
      end
      if b.include?(j.to_s)
        @text_line_num.tag_add('breakpoint',_index+' -1 lines',_index+' -1 lines + 1 chars')
      end
    end
    
    if @highlighting
      _zone_begin = ((line_begin) / @highlight_zone_length).to_i + 1
      _zone_end = ((line_end) / @highlight_zone_length).to_i + 1

      (_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
  end
end

#do_tag_configure(_name) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 463

def do_tag_configure(_name)
  h = Hash.new
  if $arcadia['conf']['editor.hightlight.'+_name+'.color.foreground']
    h['foreground']=$arcadia['conf']['editor.hightlight.'+_name+'.color.foreground']
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.color.background']
    h['background']=$arcadia['conf']['editor.hightlight.'+_name+'.color.background']
  end
  if $arcadia['conf']['editor.hightlight.'+_name+'.style']== 'bold'
    h['font']=@font_bold
    @is_tag_bold[_name]= true
  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 1030

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

#find_and_set_tag(_re, _row, _txt, _tag, _tag_rem = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 773

def find_and_set_tag(_re, _row, _txt, _tag, _tag_rem = nil)
  m = _re.match(_txt)
  _end = 0
  if m && @is_tag_bold[_tag]
    @is_line_bold[_row]=true
  end
  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)
    if _tag_rem
      _tag_rem.each {|value|
        @text.tag_remove(value,_ibegin, _iend)
      }
    end
    @text.tag_add(_tag,_ibegin, _iend)
    m = _re.match(_txt)
  end
end

#highlight_zone(_zone) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 915

def highlight_zone(_zone)
  if !@highlight_zone[_zone]
    _b = @highlight_zone_length*(_zone - 1) 
    _e = @highlight_zone_length*(_zone) + 1
    for j in _b..._e
      rehighlightline(j)
    end
    @highlight_zone[_zone] = true
  end
end

#highlightline(_row, _line, _check_mod = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 822

def highlightline(_row, _line, _check_mod = false)
  if _check_mod && modified?
    set_modify
  end
  _txt = _line
  _end = 0

  #if line is a comment
  m_c = /#/.match(_txt)
  if m_c then
    _ibegin = _row.to_s+'.'+(m_c.begin(0)).to_s
    _iend = _row.to_s+'.'+(_line.length - 1).to_s
    @text.tag_add('comment',_ibegin, _iend)
    _txt = m_c.pre_match
  end
  arem = Array.new
  if _txt.strip.length > 0
    find_and_set_tag(@re_number, _row, _txt, 'number')
    arem << 'number'
    find_and_set_tag(@re_method_name, _row, _txt, 'method_name',arem)
    arem << 'method_name'
    find_and_set_tag(@re_class_name, _row, _txt, 'class_name',arem)
    arem << 'class_name'
    find_and_set_tag(@re_module_name, _row, _txt, 'module_name',arem)
    arem << 'module_name'
    find_and_set_tag(@re_keyword, _row, _txt, 'keyword',arem)
    arem << 'keyword'
    find_and_set_tag(@re_instance_variable, _row, _txt, 'instance_variable',arem)
    arem << 'instance_variable'
    find_and_set_tag(@re_operator, _row, _txt, 'operator')
    arem << 'operator'
    find_and_set_tag(@re_string, _row, _txt, 'string', arem)
  end
end

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

horizontal scrollbar : ON/OFF



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# File 'ext/ae-editor/ae-editor.rb', line 748

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

#init_editing(_ext = 'rb') ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1012

def init_editing(_ext='rb')
  case _ext
    when 'rb'
      @fm = AGTkVSplittedFrames.new(@page_frame,150)
   			 @fm1 = AGTkVSplittedFrames.new(@fm.right_frame,60)
       initialize_text(@fm1.right_frame)
    		initialize_text_binding
	    initialize_highlight
	    initialize_line_number(@fm1.left_frame)
	    initialize_tree(@fm.left_frame)
    else
   			 @fm1 = AGTkVSplittedFrames.new(@page_frame,60)
       initialize_text(@fm1.right_frame)
    		initialize_text_binding
	    initialize_line_number(@fm1.left_frame)
  end
end

#initialize_highlight ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 413

def initialize_highlight
  @highlighting = true
  @highlight_zone = Hash.new;
#    @highlight_zone_length = 45;
  @highlight_zone_length = 8;
  @last_line_begin = 0
  @last_line_end = 0
  @last_zone_begin=0;
  @last_zone_end=0;
  @is_line_bold = Hash.new
  @is_tag_bold = Hash.new

  @keyword = ['__FILE__', 'and', 'def', 'end', 'in', 'or', 'self', 'unless',
    '__LINE__', 'begin', 'defined?', 'ensure', 'module', 'redo', 'super', 'until',
    'BEGIN', 'break', 'do', 'false', 'next', 'rescue', 'then', 'when',
    'END', 'case', 'else', 'for', 'nil', 'retry', 'true', 'while',
  'alias', 'class', 'elsif', 'if', 'not', 'return', 'undef', 'yield','require']
  _re_string = ''
  @keyword.each{|word|
    if _re_string.length > 0
      _re_string << '|'
    end
    if ['class','module','def'].include?(word)
      _re_string << '([\s]*'+word+'[\s])'
    else
      _re_string << '\b('+word+')([.,+\(\s])'
    end
  }
  @re_keyword = Regexp::new(_re_string)
  @re_instance_variable = /([\s]*@)[A-Za-z0-9_]*/
  @re_string = /'([\/A-Za-z0-9_@+\-!?=<>\[\]\{\}\(\).\s]*)'|"([\/A-Za-z0-9_@+\-!?=<>\[\]\{\}\(\).\s]*)"/
  @re_number = /\d/
  @re_operator = /[\(\)\[\]\(\)\{\}.:;,=><|]/
  @re_method_name = /(def[\s][\s]*)[A-Za-z0-9_]*/
  @re_class_name = /(class[\s][\s]*)[A-Za-z0-9_]*/
  @re_module_name = /(module[\s][\s]*)[A-Za-z0-9_]*/
  do_tag_configure('keyword')
  do_tag_configure('method_name')
  do_tag_configure('instance_variable')
  do_tag_configure('class_name')
  do_tag_configure('module_name')
  do_tag_configure('comment')
  do_tag_configure('string')
  do_tag_configure('number')
  do_tag_configure('sel')
  do_tag_configure('selected')
  do_tag_configure('operator')

end

#initialize_line_number(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 371

def initialize_line_number(_frame)
  @text_line_num = TkText.new(_frame){
    wrap  'none'
    relief 'flat'
    undo false
    takefocus 0
    insertofftime 0
    exportselection true
    autoseparators true
    background $arcadia['conf']['editor.line_number_panel.color.background']
    foreground $arcadia['conf']['editor.line_number_panel.color.foreground']
    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('bold_case', 'spacing1'=>delta)
  @text_line_num.tag_configure('breakpoint', 'background'=>'red','borderwidth'=>1, 'relief'=>'raised')
  @text_line_num.bind("Double-ButtonPress-1", proc{
    _index = @text_line_num.index('insert')
    _line = @text_line_num.get(_index+' linestart',_index+' lineend').strip
    if @controller.breakpoint_lines_on_file(@file).include?(_line)
      @text_line_num.tag_remove('breakpoint',_index+' linestart',_index+' lineend')
      @controller.breakpoint_del(@file, _line)
    else
      @text_line_num.tag_add('breakpoint',_index+' linestart',_index+' linestart + 1 chars')
      @controller.breakpoint_add(@file, _line)
    end
  })
  @text_line_num.configure('font', @font);
  @text_line_num.tag_configure('line_num',
    'foreground' => '#FFFFFF',
    'background' =>'#0000a0',
    'borderwidth'=>2,
    'relief'=>'raised'
  )
end

#initialize_text(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 110

def initialize_text(_frame)
   @v_scroll = TkScrollbar.new(_frame,
     'orient'=>'vertical',
     'relief'=>'flat'
   ).pack('side' => 'right', 'fill' => 'y')
   @text = TkText.new(@fm1.right_frame){|j|
     wrap  'none'
     relief 'flat'
     undo true
     insertofftime 200
     insertontime 200
     insertbackground $arcadia['conf']['editor.color.insertbackground']
     background $arcadia['conf']['editor.color.background']
     foreground $arcadia['conf']['editor.color.foreground']
     insertwidth 3
     exportselection true
     autoseparators true
     padx 0
     tabs $arcadia['conf']['editor.tab-chars']
     place(
       'x'=>0,
       'y'=>0,
       'width' => -15,
       'relheight'=>1,
       'relwidth'=>1,
       'bordermode'=>'outside'
     )
   }
   @text.configure('font', @font);

   @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
end

#initialize_text_binding ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 147

def initialize_text_binding
   @v_scroll.command(proc{|*args|
     @text.yview *args
   })
   @text.yscrollcommand(proc{|first,last| @v_scroll.set(first,last)
     self.do_line_update()
   })
   @text.tag_bind('selected', 'Enter', proc{@text.tag_remove('selected','1.0','end')})

   @text.bind("Enter", proc{check_file_last_access_time})
   @text.bind("ButtonPress-1", proc{
     _code = $arcadia['palette'].give_me_code
     @text.insert('insert', _code) if _code
   })

   @text.bind("Control-KeyPress"){|e|
     case e.keysym
     when 'space'
       line, col = @text.index('insert').split('.')
       _file = @file+'~~'
       f = File.new(@file+'~~', "w")
       begin
         if f
           f.syswrite(text_value)
         end
       ensure
         f.close unless f.nil?
       end
         
         

       EditorContract.instance.complete_code(EditorContract::TEditorObj.new(self, 'file'=>_file, 'line'=>line.to_s, 'col'=>col.to_s))
     when 'z'
       _b = @text.index('insert').split('.')[0].to_i
       @text.edit_undo
       _e = @text.index('insert').split('.')[0].to_i
       if @highlighting
         for j in _b..._e
           rehighlightline(j)
         end
       end
       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
         for j in _b..._e
           rehighlightline(j)
         end
       end
       break
     end
     case e.keysym
     when 's'
       save
     when 'f'
       _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
     when 'egrave'
       @text.insert('insert',"{")
     when 'plus'
       @text.insert('insert',"}")
     end
   }

   @text.bind("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

       for _row in _row_begin..._row_end
         @text.insert(_row.to_s+'.0',"\s\s")
       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

       for _row in _row_begin..._row_end
         if @text.get(_row.to_s+'.0',_row.to_s+'.2') == "\s\s"
           @text.delete(_row.to_s+'.0',_row.to_s+'.2')
         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

     end
   }
   @text.bind("KeyPress"){|e|
     case e.keysym
     when 'Return'
     when 'BackSpace'
       _index = @text.index('insert')
       _row, _col = _index.split('.')
       rehighlightline(_row.to_i) if @highlighting
     when 'Delete'
       _index = @text.index('insert')
       _row, _col = _index.split('.')
       rehighlightline(_row.to_i) if @highlighting
     when 'F5'
       save
       $arcadia['shell'].run(@file.to_s)
     when 'F3'
       @find.do_find_next
     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"
         end
         for _row in _row_begin..._row_end
           @text.insert(_row.to_s+'.0', suf)
         end
       break
       end
     end
   }

   @text.bind("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
   }

   @text.bind("KeyRelease"){|e|
     case e.keysym
       when 'Control_L','Return', 'Control_V', 'BackSpace', 'Delete'
         if modified?
           set_modify
         else
           reset_modify
         end
         do_line_update
       when 'Right','Left','Down', 'Up'
         # do nil
       else
         if modified?
           if !@set_mod
             set_modify
           end
         else
           reset_modify
         end
     end
     case e.keysym
     when 'Return'
       _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 @highlighting && /\w/.match(e.keysym)
         rehighlightline(@text.index('insert').split('.')[0].to_i)
       end
     end
   }


end

#initialize_tree(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 56

def initialize_tree(_frame)
  @classbrowsing = true 
  @nb = Tk::BWidget::NoteBook.new(_frame){
    tabbevelsize 0
    internalborderwidth 0
    activeforeground 'red'
    activebackground 'yellow'
    borderwidth 1
    side $arcadia['conf']['editor.tabs.side']
    font $arcadia['conf']['editor.tabs.font']
    pack('fill'=>'both', :padx=>0, :pady=>0, :expand => 'yes')
  }
  @nb_tab_exp = @nb.insert('end','exp' ,'text'=>'Source Tree' )
  @nb.raise('exp')
  _tree_goto = proc{|_self|
    _line = _self.selection_get[0]
    _index =_line.to_s+'.0'
    _hinner_text = @tree_exp.itemcget(_line,'text').strip
    _editor_line = @text.get(_index, _index+ '  lineend')
    if !_editor_line.include?(_hinner_text)
      MsgContract.instance.out_simple(self, "... rebuild tree \n")
      if @tree_thread && @tree_thread.alive?
        @tree_thread.exit
      end
      @tree_thread = Thread.new{
        build_tree(_line)
        Tk.update
      }
      _line = _self.selection_get[0]
      _index =_line.to_s+'.0'
    end
    @text.see(_index)
    @text.tag_remove('selected','1.0','end')
    @text.tag_add('selected',_line.to_s+'.0',(_line+1).to_s+'.0')
  }
  @tree_exp = Tk::BWidget::Tree.new(@nb_tab_exp){
    background '#FFFFFF'
    relief 'flat'
    showlines false
    deltay 18
    dragenabled true
    selectcommand proc{ _tree_goto.call(self) } 
    place('relwidth' => 1,'relx' => 0,'x' => '0','y' => '0','relheight' => '1','rely' => 0,'height' => 1,'bordermode' => 'inside','width' => '50')
  }
  @nodes = Array.new
  _c_explo = proc{|*args| @tree_exp.yview(*args)}
  _s_explo = TkScrollbar.new(@nb_tab_exp){|s|
    width 8
    command _c_explo
  }.pack('side'=>'right', 'fill'=>'y')
  @tree_exp.yscrollcommand proc{|first,last| _s_explo.set first,last}

end

#insert_popup_menu_item(_where, *args) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 728

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 1037

def load_file(_filename = nil)
  #if filename is nil then open a new tab
  @file = _filename
  if _filename
    #init_editing(file_extension(_filename))
    File::open(_filename,'r'){ |file|
      @text.insert('end',file.readlines.collect!{| line | line.chomp+"\n" }.to_s)
    }
  end
  reset
  refresh
end

#mark_debug(_index) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 577

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 582

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

#modified? ⇒ Boolean

def find_next_and_set_tag(_re, _row, _col, _txt, _tag)

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

Returns:

  • (Boolean) 


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# File 'ext/ae-editor/ae-editor.rb', line 805

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

#pop_up_menu ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 484

def pop_up_menu
  @pop_up = TkMenu.new(
    :parent=>@text,
    :tearoff=>1,
    :title => 'Menu'
  )
  @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',
#      :command,
#      :label=>'New',
#      :hidemargin => false,
#      :command=> proc{@controller.open_buffer()}
#    )
#    @pop_up.insert('end',
#      :command,
#      :label=>'Open',
#      :hidemargin => false,
#      :command=> proc{ @controller.open_file(Tk.getOpenFile)}
#    )
#    @pop_up.insert('end',
#      :command,
#      :label=>'Close',
#      :hidemargin => false,
#      :command=> proc{
#        @controller.close_editor(self)
#      }
#    )

  @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', $arcadia['action.get.font'].call)
    }
  )
#    @pop_up.insert('end',
#      :command,
#      :label=>'Eval Toplevel',
#      :hidemargin => false,
#      :command=> proc{
#        _r = @text.tag_ranges('sel')
#        _ibegin = _r[_r.length - 1][0]
#        _iend = _r[_r.length - 1][1]
#        _cod = @text.get(_ibegin, _iend)
#        Revparsel.new(_cod, @file)
#        @text.tag_add('eval',_ibegin, _iend)
#        _reset = proc{
#          _message = 'Replace code with new '+$arcadia['objic'].active.agobj_start.i_name+'?'
#          _r = TkDialog2.new('message'=>_message, 'buttons'=>['Yes','No','Cancel']).show()
#          if _r == '0'
#            @text.tag_remove('eval',_ibegin, _iend)
#            @text.delete(_ibegin, _iend)
#            text_insert(_ibegin,$arcadia['objic'].active.objects2code.to_s){_edit_reset=false}
#            @text.tag_remove('sel','1.0', 'end')
#            $arcadia['objic'].del($arcadia['objic'].active)
#          end
#        }
#        @text.tag_bind('eval',"Double-ButtonPress-1",_reset)
#      }
#    )
  @text.bind("Button-3",
    proc{|x,y|
      _x = TkWinfo.pointerx(@text)
      _y = TkWinfo.pointery(@text)
      @pop_up.popup(_x,_y)
    },
  "%x %y")
end

#refresh ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1056

def refresh
  build_tree if @classbrowsing
end

#rehighlightline(_row) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 857

def rehighlightline(_row)
  _ibegin = _row.to_s+'.0'
  _iend = (_row+1).to_s+'.0'
  @text.tag_remove('keyword',_ibegin, _iend)
  @text.tag_remove('comment',_ibegin, _iend)
  @text.tag_remove('string',_ibegin, _iend)
  @text.tag_remove('number',_ibegin, _iend)
  @text.tag_remove('operator',_ibegin, _iend)
  @text.tag_remove('capitalize',_ibegin, _iend)
  _line = @text.get(_ibegin, _iend)
  highlightline(_row, _line)
end

#reset ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1050

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

#reset_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 816

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 870

def row(_index='insert')
  _row = @text.index(_index).split('.')[0].to_i
  print "def row(_index='insert')",_row.to_s,"\n"
  return _row
end

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



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# File 'ext/ae-editor/ae-editor.rb', line 760

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

#save ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 968

def save
  if !@file
    save_as
  else
    f = File.new(@file, "w")
    begin
      if f
        f.syswrite(text_value)
        @buffer = text_value
        reset_modify
      end
    ensure
      f.close unless f.nil?
    end
  end
end

#save_as ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 985

def save_as
  @file = Tk.getSaveFile
  if @file
    save
    @controller.change_file_name(@page_frame, @file)
  end
end

#set_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 809

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

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



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# File 'ext/ae-editor/ae-editor.rb', line 936

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)
      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 932

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 926

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 732

def text_value
  return @text.value
end

#unmark_debug(_index) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 573

def unmark_debug(_index)
  @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 737

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