Class: AgEditor

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Configurable

#properties_file2hash, properties_group, #resolve_link, #resolve_properties_link

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 630

def initialize(_controller, _page_frame)
  @controller = _controller
  @page_frame = _page_frame
  @set_mod = false
#    @font = @controller.conf('font')
#    @font_bold = @controller.conf('font.bold')
  @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
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 626

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 628

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 627

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 629

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 629

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 1109

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|
    @do_complete = false
  }    

  @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 



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# File 'ext/ae-editor/ae-editor.rb', line 1144

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
      @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'
      find
    when 'egrave'
      @text.insert('insert',"{")
    when 'plus'
      @text.insert('insert',"}")
    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

    end
  }
  
  @text.bind_append("KeyPress"){|e|
    #@do_complete = false
    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'
      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 'period'
#          @do_complete = true
#          #Thread.new do
#            complete_code.call
#          #end
      when 'Control_L','Return', 'Control_V', 'BackSpace', 'Delete'
        do_line_update
    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
    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 1505

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 851

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

#build_tree(_sel = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2057

def build_tree(_sel=nil)
  #Arcadia.console(self,"msg"=>"build for #{@file}")
  if _sel
    _label_sel = @tree_exp.itemcget(_sel,'text')
  end
  
  #clear tree
  begin
    @tree_exp.delete(@tree_exp.nodes('root'))
  rescue Exception
    # workaround on windows
    @tree_exp.delete(@tree_exp.nodes('root'))
  end
  
  
  #(re)build tree
  _txt = @text.get('1.0','end')
  #@root = build_tree_from_source(_txt)
  @root = SourceStructure.new(_txt).root
  
  @selected = nil
  build_tree_from_node(@root, _label_sel)
  if @selected
    @tree_exp.selection_add(@selected.rif)
    @tree_exp.open_tree(@selected.parent.rif)
    @tree_exp.see(@selected.rif)
  end
end

#build_tree_from_node(_node, _label_match = nil) ⇒ Object

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.strip == “attr_reader” && m.pre_match.strip.length==0) # _kind = ‘KAttr_reader’ # _liv = _liv - 1 # _row = _row +1

        end

        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



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# File 'ext/ae-editor/ae-editor.rb', line 2024

def build_tree_from_node(_node, _label_match=nil)
  
  @image_kclass = TkPhotoImage.new('dat' => TREE_NODE_CLASS_GIF)
  @image_kmodule =  TkPhotoImage.new('dat' => TREE_NODE_MODULE_GIF)
  @image_kdef =  TkPhotoImage.new('dat' => TREE_NODE_DEF_GIF)
  @image_kdefclass =  TkPhotoImage.new('dat' => TREE_NODE_DEFCLASS_GIF)
  
  _sorted_sons = _node.sons.sort
  for inode in 0.._sorted_sons.length - 1
    _son = _sorted_sons[inode]
    if _son.kind == 'KClass'
        _image = @image_kclass
    elsif _son.kind == 'KModule'
        _image = @image_kmodule
    elsif _son.kind == 'KDef'
        _image = @image_kdef
    elsif _son.kind == 'KDefClass'
        _image = @image_kdefclass
    end
    @tree_exp.insert('end', _son.parent.rif ,_son.rif, {
      'text' =>  _son.label ,
      'helptext' => _son.helptext,
      #'font'=>$arcadia['conf']['editor.explorer_panel.tree.font'],
      'image'=> _image
    }.update(Arcadia.style('treeitem'))
    )
    if (_label_match) && (_label_match.strip == _son.label.strip)
      @selected = _son
    end
    build_tree_from_node(_son, _label_match)
  end
end

#check_file_last_access_time ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2627

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')
          reset_highlight
          load_file(@file)
        else
          @file_last_access_time = ftime
        end
    end
  end
end

#check_modify ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2619

def check_modify
  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 841

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 828

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 834

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 776

def create_temp_file
  if @file
    _file = @file+'~~'
  else
    _file = File.join(Arcadia.instance.local_dir,'buffer~~')
  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 793

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

#disactivate_key_binding ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1364

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_line_update ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2421

def do_line_update
  #re num in @text_line_num the portion of visibled screen  of @text
    #Arcadia.console(self, 'msg'=>"do_line_update loading ..")
    return if @loading
    #Arcadia.console(self, 'msg'=>"do_line_update")
    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);
#          _rx2, _ry2, _widht2, _heigth2 = @text.bbox(line_begin_index+" +1 lines");
#        if _rx2
#          _coef = _ry2-_ry-_heigth       
#        end
#        if _ry < 0 
#          nline = (line_begin + 1).to_s.rjust(line_end.to_s.length+2)
#          @text_line_num.tag_configure('start_case', 'spacing1'=>(_heigth+_ry))
#          @text_line_num.insert('end', "#{nline}\n",'normal_case','start_case')
#          real_line_begin = line_begin + 2
#        else
#          real_line_begin = line_begin
#        end
      
      if _ry && _ry < 0 
        real_line_end = line_end + 1
#          x = (_heigth+_ry)/_heigth
#          @text_line_num.yview_scroll(-(_heigth+_ry),"pixels")
        
      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 @highlighting && @is_line_bold[j]
#            @text_line_num.insert('end', "#{nline}\n",'bold_case')
#          else
#            @text_line_num.insert('end', "#{nline}\n",'normal_case')
#          end
        if b.include?(j.to_s)
          add_tag_breakpoint(j)
          #add_tag_breakpoint(_index)
          #p "aggiungo tag break on line #{j} on index ->#{_index}"
          #add_tag_breakpoint(_index+' -1 lines')
        end
      end
      if _ry && _ry < 0 
        #Arcadia.console(self, 'msg'=>"scrollo -> #{-(_heigth+_ry)}")
        #Arcadia.console(self, 'msg'=>"_coef -> #{_coef}")

#          @text_line_num.yview_scroll((_heigth+_ry),"pixels")
#          @text_line_num.yview_scroll((-_ry+3),"pixels")
        @text_line_num.yview_scroll(_ry.abs+3,"pixels")
      end
    end
end

#do_tag_configure(_name) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1605

def do_tag_configure(_name)
  h = Hash.new
  if @lang_hash['hightlight.'+_name+'.foreground']
    h['foreground']=@lang_hash['hightlight.'+_name+'.foreground']
  end
  if @lang_hash['hightlight.'+_name+'.background']
    h['background']=@lang_hash['hightlight.'+_name+'.background']
  end
  if @lang_hash['hightlight.'+_name+'.style']== 'bold'
    h['font']=@font_bold
    @is_tag_bold[_name]= true
  else
    @is_tag_bold[_name]= false
  end
  if @lang_hash['hightlight.'+_name+'.relief']
    h['relief']=@lang_hash['hightlight.'+_name+'.relief']
  end
  if @lang_hash['hightlight.'+_name+'.borderwidth']
    h['borderwidth']=@lang_hash['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 1629

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 2705

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 1495

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 



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# File 'ext/ae-editor/ae-editor.rb', line 1350

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

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



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# File 'ext/ae-editor/ae-editor.rb', line 2176

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
  #_old_txt = ''
  while m && (_txt=m.post_match)
    if !defined?(_old_txt) || _txt != _old_txt
      _old_txt = _txt 
      _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)
      if @op_only_first.include?(_tag)
        m = nil
      else
        m = _re.match(_txt)
      end
    else
      m = nil
    end
  end
end

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



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# File 'ext/ae-editor/ae-editor.rb', line 2131

def find_and_set_tag_ml(_re, _row, _txt, _tag, _tag_rem = nil)
  m = _re.match(_txt)
  _offset = 0
  _s_txt = _txt
  #_old_txt = ''
  while m && (_txt=m.post_match)
    if !defined?(_old_txt) || _txt != _old_txt

      apos =  pos_to_index(_s_txt, _offset+m.begin(0))
      _offset = _offset + m.end(0)
      
      
      _old_txt = _txt
      _r = _row + apos[0]
      _ibegin = _r.to_s+'.'+apos[1].to_s
      _iend = _r.to_s+'.'+(apos[1]+m.end(0)-m.begin(0)).to_s
      if _tag_rem
        _tag_rem.each {|value|
          @text.tag_remove(value,_ibegin, _iend)
        }
      end
      @text.tag_add(_tag,_ibegin, _iend)
      if @is_tag_bold[_tag]
        @is_line_bold[_r]=true
      end

      if @op_only_first.include?(_tag) && _txt
        #eliminino la prima riga a partire dal risultato
        _p = _txt.index("\n")+1
        if _p
            _txt = _txt[_p..-1]
            _offset = _offset + _p
        else
          m = nil
        end
      end
      m = _re.match(_txt)
      
    else
      m = nil
    end
  end
end

#hide_outline ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2701

def hide_outline
  @tree_scroll_wrapper.hide if @tree_scroll_wrapper
end

#hide_spaces ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2284

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 2279

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 2532

def highlight_zone(_zone, _force_highlight=false)
  if !@highlight_zone[_zone] || _force_highlight
    _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

#highlight_zone_new(_zone) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2522

def highlight_zone_new(_zone)
  if !@highlight_zone[_zone]
    _b = @highlight_zone_length*(_zone - 1) 
    _e = @highlight_zone_length*(_zone) #+ 1
    rehighlightlines(_b,_e)
    @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 2356

def highlightline(_row, _line, _check_mod = false)
  #p "highlightline #{_row} _line=#{_line}"
  if _check_mod 
    check_modify
  end
  _txt = _line
  _end = 0
  
  @op_to_end_line.each{|c|
    if @h_re[c]
      m_c = @h_re[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(c,_ibegin, _iend)
        #p "tag_add  found #{c}"
        _txt = m_c.pre_match
      end
    end
  } if @lang_hash['re_op.to_line_end']

  arem = Array.new
  
    
  @h_classes.each{|c|
    if !@op_to_end_line.include?(c) && @h_re[c]
      find_and_set_tag(@h_re[c], _row, _txt, c, arem)
      arem << c
    end
  } if _txt.strip.length > 0  

  find_and_set_tag(/\t/, _row, _txt, 'tabs', arem) if @tabs_show 
  find_and_set_tag(/[ ^\t]\s*/, _row, _txt, 'spaces', arem) if @spaces_show 
end

#highlightlines(_row, _lines, _check_mod = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2322

def highlightlines(_row, _lines, _check_mod = false)
  if _check_mod 
    check_modify
  end
  _txt = _lines
  _end = 0
  
#    @op_to_end_line.each{|c|
#      if @h_re[c]
#        m_c = @h_re[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(c,_ibegin, _iend)
#          _txt = m_c.pre_match
#        end
#      end
#    } if @lang_hash['re_op.to_line_end']

  arem = Array.new
  
    
  @h_classes.each{|c|
    if !@op_to_end_line.include?(c) && @h_re[c]
      find_and_set_tag_ml(@h_re[c], _row, _txt, c, arem)
      arem << c
    end
  } if _txt.strip.length > 0  

  find_and_set_tag_ml(/\t/, _row, _txt, 'tabs', arem) if @tabs_show 
  find_and_set_tag_ml(/[ ^\t]\s*/, _row, _txt, 'spaces', arem) if @spaces_show 
end

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

horizontal scrollbar : ON/OFF



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# File 'ext/ae-editor/ae-editor.rb', line 2106

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 2239

def indentation_space_2_tabs(_n_space=2)
  _row = 1
  @text.value.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 2259

def indentation_tabs_2_space(_n_space=2)
  _row = 1
  @text.value.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 2673

def init_editing(_ext='rb', _w1=150, _w2=60)
  @is_ruby = _ext=='rb'||_ext=='rbw'
  @lang_hash = languages_hash(_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
  initialize_line_number(@fm1.left_frame)
  initialize_text_binding
end

#initialize_highlight ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1565

def initialize_highlight
  @is_line_bold = Hash.new
  @is_tag_bold = Hash.new
  do_tag_configure_global('debug')
  if @lang_hash.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;
  #@is_line_bold = Hash.new
  #@is_tag_bold = Hash.new
  @h_classes = @lang_hash['classes'].split(',')
  @h_re = Hash.new
  @op_to_end_line = Array.new
  @op_to_end_line.concat(@lang_hash['re_op.to_line_end'].split(',')) if @lang_hash['re_op.to_line_end']

  @op_only_first = Array.new
  @op_only_first.concat(@lang_hash['re_op.only_first'].split(',')) if @lang_hash['re_op.only_first']
  
  @h_classes.each{|c|
    do_tag_configure(c)
    @h_re[c]=Regexp::new(@lang_hash["re.#{c}"].strip) if @lang_hash["re.#{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 1401

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 729

def initialize_text(_frame)
#    @v_scroll = TkScrollbar.new(_frame,{
#      'orient'=>'vertical'}.update(Arcadia.style('scrollbar'))
#    ).pack('side' => 'right', 'fill' => 'y')
  @text = TkScrollText.new(_frame, Arcadia.style('edit')){|j|
    wrap  'none'
    undo true
    insertofftime 200
    insertontime 200
    highlightthickness 0
    insertwidth 3
    exportselection true
    autoseparators true
    padx 0
    tabs $arcadia['conf']['editor.tabs']
#      place(
#        'x'=>0,
#        'y'=>0,
#        'width' => -15,
#        'relheight'=>1,
#        'relwidth'=>1,
#        'bordermode'=>'outside'
#      )
  }
  
#    class << @text
#        def do_yscrollcommand(first,last)
#          super
#          do_line_update()
#        end
#    end

# @text.configure('font', @font);

  #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 1373

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{check_file_last_access_time})

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

#initialize_tree(_frame) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 670

def initialize_tree(_frame)
  @classbrowsing = @is_ruby
  _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)
      Arcadia.console(self, 'msg'=>"... 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(_frame, Arcadia.style('treepanel')){
    showlines false
    deltay 18
    dragenabled true
    selectcommand proc{ _tree_goto.call(self) } 
  }
  @tree_scroll_wrapper = TkScrollWidget.new(@tree_exp)
  @tree_scroll_wrapper.show
  @tree_scroll_wrapper.show_v_scroll
  @tree_scroll_wrapper.show_h_scroll
  pop_up_menu_tree
end

#insert_popup_menu_item(_where, *args) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2086

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

#languages_hash(_ext = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2646

def languages_hash(_ext=nil)
  @@langs_hash = Hash.new if !defined?(@@langs_hash)
  return nil if _ext.nil?
  if @@langs_hash[_ext].nil?
    #_ext='' if _ext.nil?
    lang_file = File.dirname(__FILE__)+'/langs/'+_ext+'.lang'
    if File.exist?(lang_file)
      @@langs_hash[_ext] = properties_file2hash(lang_file)
    elsif File.exist?(lang_file+'.bind')
      b= properties_file2hash(lang_file+'.bind')
      if b 
        if @@langs_hash[b['bind']].nil?
          lang_file_bind = File.dirname(__FILE__)+'/langs/'+b['bind']+".lang"
          if File.exist?(lang_file_bind)
            @@langs_hash[b['bind']]=properties_file2hash(lang_file_bind)
            @@langs_hash[_ext]=@@langs_hash[b['bind']]
          end
        else
          @@langs_hash[_ext]=@@langs_hash[b['bind']]
        end
      end
    end
    self.resolve_properties_link(@@langs_hash[_ext], Arcadia.instance['conf']) if @@langs_hash[_ext]
  end
  @@langs_hash[_ext]
end

#load_file(_filename = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2712

def load_file(_filename = nil)
  #if filename is nil then open a new tab
  @loading=true
  begin
    @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)
        #@text.insert('end',file.read)
      }
    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 1931

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 1936

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

#modified? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/ae-editor/ae-editor.rb', line 2290

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

#pop_up_menu ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1652

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',
    :hidemargin => false,
    :command=> proc{
      file = Tk.getOpenFile
      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', :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=>'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

#pop_up_menu_tree ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 706

def pop_up_menu_tree
  @pop_up_tree = TkMenu.new(
    :parent=>@tree_exp,
    :title => 'Menu tree'
  )
  @pop_up_tree.configure(Arcadia.style('menu'))
  #Arcadia.instance.main_menu.update_style(@pop_up_tree)
  @pop_up_tree.insert('end',
    :command,
    :label=>'Rebuild',
    :hidemargin => false,
    :command=> proc{build_tree}
  )
  @tree_exp.bind_append("Button-3",
    proc{|x,y|
      _x = TkWinfo.pointerx(@tree_exp)
      _y = TkWinfo.pointery(@tree_exp)
      @pop_up_tree.popup(_x,_y)
    },
  "%x %y")
end

#pos_to_index(_txt, _pos) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2307

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 875

def raise_complete_code(_candidates, _row, _col, _filter='')
  @raised_listbox_frame.destroy if @raised_listbox_frame != nil
  #@raised_listbox.destroy if @raised_listbox != 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')
              @text.insert('insert',_value.strip)
              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 + 10
          #_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 2751

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

#rehighlightline(_row) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2391

def rehighlightline(_row)
  _ibegin = _row.to_s+'.0'
  _iend = (_row+1).to_s+'.0'
  #p "rehighlightline _ibegin=#{_ibegin}"
  #p "rehighlightline _iend=#{_iend}"
  #p "_line = #{@text.get(_ibegin, _iend)}"
  @h_classes.each{|c| @text.tag_remove(c,_ibegin, _iend)}
  _line = @text.get(_ibegin, _iend)
  highlightline(_row, _line)
end

#rehighlightlines(_row_begin, _row_end) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2402

def rehighlightlines(_row_begin, _row_end)
  _ibegin = _row_begin.to_s+'.0'
  _iend = (_row_end+1).to_s+'.0'
  @h_classes.each{|c| @text.tag_remove(c,_ibegin, _iend)}
  _lines = @text.get(_ibegin, _iend)
  highlightlines(_row_begin, _lines)
end

#remove_tag_breakpoint(_line) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 1514

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 2745

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 1555

def reset_highlight
  @is_line_bold.clear
  @is_tag_bold.clear
  @highlight_zone.clear
  @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 2301

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 2411

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 2118

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 1387

def run_buffer
  if !@file
    _file = create_temp_file
    begin
      Arcadia.process_event(RunRubyFileEvent.new(self, 'file'=>_file, 'persistent'=>false))
    ensure
      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 ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2585

def save
  if !@file
    save_as
  elsif @read_only
    Arcadia.dialog(self, 
      'type' => 'ok',
      'title' =>"#{@file}:read-only", 
      'msg' =>"The file : #{@file} is read-only!",
      'level' =>'warning')
  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
    #EditorContract.instance.file_saved(self,'file' =>@file)
  end
end

#save_as ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2609

def save_as
  @file = Tk.getSaveFile("filetypes"=>[["Ruby Files", [".rb", ".rbw"]],["All Files", [".*"]]])
  @file = nil if @file == ""  # cancelled
  if @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 2294

def set_modify
  if !@set_mod
    @set_mod = 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 2732

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 2226

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 2692

def show_outline
  if @tree_scroll_wrapper
    @tree_scroll_wrapper.show
  else
    initialize_tree(@controller.frame(1).hinner_frame)
    build_tree
  end
end

#show_spaces ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 2206

def show_spaces
  @spaces_show = true
  _row = 1
  @text.value.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 2216

def show_tabs
  @tabs_show = true
  _row = 1
  @text.value.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 2553

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 2549

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 2543

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 2090

def text_value
  return @text.value
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 1538

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 1926

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 2095

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

def is_exp_hide?

  if @fm.nil?
    return true
  else
    @fm.is_left_hide?
  end
end



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# File 'ext/ae-editor/ae-editor.rb', line 659

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 2417

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