Class: HinnerFileDialog

Inherits:

HinnerDialog

• Object
• TkFrame
• HinnerDialog
• HinnerFileDialog

Defined in:

lib/a-tkcommons.rb

Constant Summary

SELECT_FILE_MODE =

0

SAVE_FILE_MODE =

1

SELECT_DIR_MODE =

2

Instance Method Summary

• #build_gui ⇒ Object
• #close ⇒ Object
• #dir(_dir) ⇒ Object
• #file(_dir) ⇒ Object
• #initialize(mode = SELECT_FILE_MODE, must_exist = nil, label = nil, side = 'top', args = nil) ⇒ HinnerFileDialog constructor

  A new instance of HinnerFileDialog.

• #last_candidate_is_dir?(_name) ⇒ Boolean
• #last_candidate_is_file?(_name) ⇒ Boolean
• #load_from_dir(_dir) ⇒ Object
• #raise_candidates(_inx, _dir) ⇒ Object
• #raise_dir(_index, _dir, _candidates_dir, _candidates_file = nil) ⇒ Object
• #set_dir(_dir) ⇒ Object

Methods inherited from HinnerDialog

#is_modal?, #make_scrollable_frame, #release, #show_modal

Constructor Details

#initialize(mode = SELECT_FILE_MODE, must_exist = nil, label = nil, side = 'top', args = nil) ⇒ HinnerFileDialog

Returns a new instance of HinnerFileDialog.

# File 'lib/a-tkcommons.rb', line 3408

def initialize(mode=SELECT_FILE_MODE, must_exist=nil, label=nil, side='top',args=nil)
  super(side, args)
  @mode = mode
  if must_exist.nil?
    must_exist = mode != SAVE_FILE_MODE
  end
  @must_exist = must_exist
  @label = label
  build_gui
  @closed = false
end

Instance Method Details

#build_gui ⇒ Object

# File 'lib/a-tkcommons.rb', line 3420

def build_gui
  @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
  if !@label.nil?
    Arcadia.wf.label(self, 'text' => @label).pack('side' =>'left')
  end
  @dir_text = TkText.new(self, Arcadia.style('text').update({"height"=>'1',"highlightcolor"=>Arcadia.conf('panel.background'), "bg"=>Arcadia.conf('panel.background')})).pack('side' =>'left','padx'=>5, 'pady'=>5, 'fill'=>'x', 'expand'=>'1')
  #{"bg"=>'white', "height"=>'1', "borderwidth"=>0, 'font'=>@font}
  @dir_text.bind_append("Enter", proc{ @dir_text.set_insert("end")})
  #@dir_text.tag_configure("entry",'foreground'=> "red",'borderwidth'=>0, 'relief'=>'flat',  'underline'=>true)

  @tag_file_exist = "file_exist"
  @dir_text.tag_configure(@tag_file_exist,'background'=> Arcadia.conf("hightlight.selected.background"), 'borderwidth'=>0, 'relief'=>'flat', 'underline'=>true)
  
  @tag_selected = "link_selected"
  @dir_text.tag_configure(@tag_selected,'borderwidth'=>0, 'relief'=>'flat', 'underline'=>true)
  @dir_text.tag_bind(@tag_selected,"ButtonRelease-1",  proc{ 
     self.release
     Tk.callback_break
  } )
  @dir_text.tag_bind(@tag_selected,"Enter", proc{@dir_text.configure('cursor'=> 'hand2')})
  @dir_text.tag_bind(@tag_selected,"Leave", proc{@dir_text.configure('cursor'=> @cursor)})
  _self=self
  @dir_text.bind_append('KeyPress', "%K"){|_keysym|
    case _keysym
    when 'Escape','Tab'
      i1 = @dir_text.index("insert")
      raise_candidates(i1, @dir_text.get("#{i1} linestart", i1))
    when "Return"
      if (@mode == SELECT_FILE_MODE || @mode == SAVE_FILE_MODE) && @must_exist
        str_file = @dir_text.get('1.0','end')
        if str_file && str_file.length > 0 && File.exists?(str_file.strip) && File.ftype(str_file.strip) == 'file'
          _self.release
        end
        Tk.callback_break
      elsif @mode == SELECT_DIR_MODE && @must_exist
        str_file = @dir_text.get('1.0','end')
        if str_file && str_file.length > 0 && File.exists?(str_file.strip) && File.ftype(str_file.strip) == 'directory'
          _self.release
        end
        Tk.callback_break
      else
        _self.release
      end
    end
  }   
  @dir_text.bind_append('KeyRelease', "%K"){|_keysym|
    case _keysym
    when 'Escape','Tab', "Return"
    else
      @dir_text.tag_remove(@tag_selected,'1.0','end')
      i1 = @dir_text.index("insert - 1 chars wordstart")
      while @dir_text.get("#{i1} -1 chars",i1) != File::SEPARATOR && @dir_text.get("#{i1} - 1 chars",i1) != ""
        i1 = @dir_text.index("#{i1} - 1 chars")
      end
      i2 = @dir_text.index("insert")
      
      @dir_text.tag_add(@tag_selected ,i1,i2) if @mode == SAVE_FILE_MODE
      
      if File.exists?(@dir_text.get('1.0',i2))
        @dir_text.tag_add(@tag_file_exist ,i1,i2)
        @dir_text.tag_add(@tag_selected ,i1,i2) if @mode == SELECT_FILE_MODE && File.ftype(@dir_text.get('1.0',i2)) == 'file'
        @dir_text.tag_add(@tag_selected ,i1,i2) if @mode == SELECT_DIR_MODE && File.ftype(@dir_text.get('1.0',i2)) == 'directory'
      else
        @dir_text.tag_remove(@tag_file_exist,'1.0','end')
      end
    end
  }   
  
  @dir_text.bind_append("Control-KeyPress", "%K"){|_keysym|
    case _keysym
    when 'd'
      _self.close
      Tk.callback_break
    end
  }    

  #@select_button = Tk::BWidget::Button.new(self, Arcadia.style('toolbarbutton')){
  @select_button = Arcadia.wf.toolbutton(self){
    command proc{_self.close}
    image Arcadia.image_res(CLOSE_FRAME_GIF)
  }.pack('side' =>'right','padx'=>5, 'pady'=>0)
end

#close ⇒ Object

# File 'lib/a-tkcommons.rb', line 3520

def close
  @closed=true
  self.release
  destroy  
end

#dir(_dir) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3516

def dir(_dir)
  file(_dir)
end

#file(_dir) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3506

def file(_dir)
  set_dir(_dir)
  show_modal(false)
  if @closed == false
    file_selected = @dir_text.get("0.1","end").strip
    destroy  
    file_selected
  end
end

#last_candidate_is_dir?(_name) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/a-tkcommons.rb', line 3609

def last_candidate_is_dir?(_name)
  @last_candidates_dir && @last_candidates_dir.include?(_name)
end

#last_candidate_is_file?(_name) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/a-tkcommons.rb', line 3605

def last_candidate_is_file?(_name)
  @last_candidates_file && @last_candidates_file.include?(_name)
end

#load_from_dir(_dir) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3844

def load_from_dir(_dir)
  childrens = Dir.entries(_dir)
  childrens_dir = Array.new
  childrens_file = Array.new
  childrens.sort.each{|c|
    if c != '.' && c != '..'
      child = File.join(_dir,c)
      fty = File.ftype(child)
      if fty == "file"
        childrens_file << c
        #childrens_file << child
      elsif fty == "directory"
        #childrens_dir << child
        childrens_dir << c
      end
    end
  }
  return childrens_dir,childrens_file
end

#raise_candidates(_inx, _dir) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3577

def raise_candidates(_inx, _dir)
  if _dir[-1..-1] != File::SEPARATOR && _dir !=nil && _dir.length > 0
    len = _dir.split(File::SEPARATOR)[-1].length+1
    _dir = _dir[0..-len]
    _inx = "#{_inx} - #{len-1} chars"
  end 
  _dir=Dir.pwd if !File.exists?(_dir)  
  @dir_text.set_insert("end")
  dirs_and_files=load_from_dir(_dir)
  if dirs_and_files[0].length + dirs_and_files[1].length == 1
    if dirs_and_files[0].length == 1
      one = "#{_dir}#{dirs_and_files[0][0]}"
    else
      one = "#{_dir}#{dirs_and_files[1][0]}"
    end
    set_dir(one)
  elsif dirs_and_files[0].length + dirs_and_files[1].length == 0
    # do not raise
  else 
    if @mode == SELECT_DIR_MODE
      raise_dir(_inx, _dir, dirs_and_files[0], [])
    else
      raise_dir(_inx, _dir, dirs_and_files[0], dirs_and_files[1])
    end
  end
  Tk.callback_break
end

#raise_dir(_index, _dir, _candidates_dir, _candidates_file = nil) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3613

def raise_dir(_index, _dir, _candidates_dir, _candidates_file=nil) 
  @raised_listbox_frame.destroy if @raised_listbox_frame != nil
  @last_candidates_dir = _candidates_dir
  @last_candidates_file = _candidates_file
  _index_now = @dir_text.index('insert')
  _index_for_raise =  @dir_text.index("#{_index} wordstart")
  _candidates = [] 
  _candidates.concat(_candidates_dir) if _candidates_dir 
  _candidates.concat(_candidates_file) if _candidates_file 
      
  if _candidates.length >= 1 
      _rx, _ry, _width, heigth = @dir_text.bbox(_index_for_raise);
      _x = _rx + TkWinfo.rootx(@dir_text)  
      _y = _ry + TkWinfo.rooty(@dir_text)  + @font_metrics[2][1]
      _xroot = _x
      _yroot = _y

      max_width = TkWinfo.screenwidth(Arcadia.layout.root) - _x
      
      @raised_listbox_frame = TkFrame.new(Arcadia.layout.root, {
        :padx=>"1",
        :pady=>"1",
        :background=> "yellow"
      })
      
      @raised_listbox = TkTextListBox.new(@raised_listbox_frame, {
        :takefocus=>true}.update(Arcadia.style('listbox')))
      @raised_listbox.tag_configure('file','foreground'=> Arcadia.conf('hightlight.link.foreground'),'borderwidth'=>0, 'relief'=>'flat')

      
      _char_height = @font_metrics[2][1]
      _width = 0
      _docs_entries = Hash.new
      _item_num = 0

      _select_value = proc{
        if @raised_listbox.selected_line && @raised_listbox.selected_line.strip.length>0
          #_value = @raised_listbox.selected_line.split('-')[0].strip
          seldir = File.join(_dir,@raised_listbox.selected_line)

          set_dir(seldir)
          @raised_listbox_frame.grab("release")
          @raised_listbox_frame.destroy
        end
      }    

      _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} #{TkTextListBox::SEP} #{_class.strip}"
            elsif _key && _key.strip.length > 0
              _item = "#{_key.strip}"
            else
              _key = "#{_doc.strip}"
              _item = "#{_doc.strip}"
            end
            array_include = proc{|_a, _str, _asterisk_first_char|
              ret = true
              str = _str
              _a.each_with_index{|x, j|
                next if x.length == 0
                if j == 0 && !_asterisk_first_char
                  ret = ret && str[0..x.length-1] == x
                else
                  ret = ret && str.include?(x)
                end
                if ret 
                  i = str.index(x)
                  str = str[i+x.length..-1]
                else
                  break
                end
              }
              ret
            }
            if _in.nil? || _in.strip.length == 0 || _item[0.._in.length-1] == _in || 
               (_in.include?('*') &&  array_include.call(_in.split("*"), _item, _in[0..1]=='*'))
#                 (_in[0..0] == '*' && _item.include?(_in[1..-1]))

              _docs_entries[_item]= _doc
     #         @raised_listbox.insert('end', _item)
              if last_candidate_is_dir?(_item)
                @raised_listbox.add(_item, 'file')
              else
                @raised_listbox.add(_item)
              end
              _temp_length = _item.length
              _length = _temp_length if _temp_length > _length 
              _item_num = _item_num+1 
              _last_valid_key = _key
            end
          }
          _width = _length*8
          if @raised_listbox.length == 0
            @raised_listbox.grab("release")
            @raised_listbox_frame.destroy
            @dir_text.focus
            Tk.callback_break
            #Tk.event_generate(@raised_listbox, "KeyPress" , :keysym=>"Escape") if TkWinfo.mapped?(@raised_listbox)
          else
            @raised_listbox.select(1)
            Tk.event_generate(@raised_listbox, "1") if TkWinfo.mapped?(@raised_listbox)
          end
      }

      get_filter = proc{
        filter = ""
        if @dir_text.get("insert -1 chars", "insert") != File::SEPARATOR  
          file_str = @dir_text.get("insert linestart", "insert")
          parts = file_str.split(File::SEPARATOR)
          if _dir == File::SEPARATOR
            original_parts = [""] 
          else
            original_parts = _dir.split(File::SEPARATOR)
          end
          if parts && parts.length == original_parts.length + 1
            filter = parts[-1]
          end
        end
        filter = "" if filter.nil?
        filter
      }
      #filter = @dir_text.get("insert -1 chars wordstart", "insert")


      @raised_listbox.bind_append('KeyPress', "%K %A"){|_keysym, _char|
        is_list_for_update = false
        case _keysym
          when 'a'..'z','A'..'Z','0'..'9'
            @dir_text.insert('end', _keysym)
            @dir_text.see("end")
            is_list_for_update = true
          when 'minus'
            @dir_text.insert('end', _char)
            @dir_text.see("end")
            is_list_for_update = true
          when 'period'
            @dir_text.insert('end', '.')
            @dir_text.see("end")
            is_list_for_update = true
          when 'BackSpace'
            if @dir_text.get("insert -1 chars", "insert") != File::SEPARATOR 
              @dir_text.delete('end -2 chars','end')
            end
            is_list_for_update = true
          when 'Escape'
            @raised_listbox.grab("release")
            @raised_listbox_frame.destroy
            @dir_text.focus
            Tk.callback_break
          when "Next","Prior"
          when "Down","Up"
            Tk.callback_break
          else
            Tk.callback_break
        end
        _update_list.call(get_filter.call) if is_list_for_update
        @raised_listbox.focus 
        Tk.callback_break if  !["Next","Prior"].include?(_keysym)
      }

      @raised_listbox.bind_append('Shift-KeyPress', "%K %A"){|_keysym, _char|
        is_list_for_update = false
        case _keysym
          when 'asterisk','underscore'
            @dir_text.insert('end', _char)
            @dir_text.see("end")
            is_list_for_update = true
          when 'a'..'z','A'..'Z'
            @dir_text.insert('end', _keysym)
            @dir_text.see("end")
            is_list_for_update = true
          
        end
        _update_list.call(get_filter.call) if is_list_for_update
        @raised_listbox.focus 
        Tk.callback_break
      }

      @raised_listbox.bind_append('KeyRelease', "%K"){|_keysym|
        case _keysym
          when 'Return'
            _select_value.call
        end
      }
      
      _update_list.call(get_filter.call)

      if @raised_listbox.length == 1
        _select_value.call
      else
        _width = _width + 30
        _width = max_width if _width > max_width
        _height = 15*_char_height
        
        @raised_listbox_frame.place('x'=>_x,'y'=>_ry, 'width'=>_width, 'height'=>_height)
        @raised_listbox.extend(TkScrollableWidget).show(0,0) 
        @raised_listbox.place('x'=>0,'y'=>0, 'relwidth'=>1, 'relheight'=>1) 
        @raised_listbox.focus
        @raised_listbox.select(1)

        Tk.update
        @raised_listbox_frame.grab("set")

     
     
        @raised_listbox.bind_append("Double-ButtonPress-1", 
          proc{|x,y| 
            _select_value.call
            Tk.callback_break
              }, "%x %y")

      end  
    elsif _candidates.length == 1 && _candidates[0].length>0
      @dir_text.set_dir(_candidates[0])
    end
end

#set_dir(_dir) ⇒ Object

# File 'lib/a-tkcommons.rb', line 3526

def set_dir(_dir)
  _dir=Dir.pwd if !File.exists?(_dir)
  #load_from_dir(_dir)
  @dir_text.state("normal")
  @dir_text.delete("0.1","end")
  @cursor =  @dir_text.cget('cursor')
  dir_seg = _dir.split(File::SEPARATOR)
  incr_dir = ""
  get_dir = proc{|i| 
    res = ""
    0.upto(i){|j|
       if res == File::SEPARATOR
        res=res+dir_seg[j]
       elsif res.length == 0 && dir_seg[j].length == 0
        res=File::SEPARATOR+dir_seg[j]
       elsif res.length == 0 && dir_seg[j].length > 0
        res=dir_seg[j]
       else
        res=res+File::SEPARATOR+dir_seg[j]
       end
    }
    is_dir = File.ftype(res) == "directory"
    res=res+File::SEPARATOR if is_dir && res[-1..-1]!=File::SEPARATOR
    res
  }
  
  dir_seg.each_with_index{|seg,i|
    tag_name = "link#{i}"
    @dir_text.tag_configure(tag_name,'foreground'=> Arcadia.conf('hightlight.link.foreground'),'borderwidth'=>0, 'relief'=>'flat', 'underline'=>true)

    dir = get_dir.call(i)
    if File.ftype(dir) == "directory"
      @dir_text.insert("end", seg, tag_name)
      @dir_text.insert("end", "#{File::SEPARATOR}")
      @dir_text.tag_bind(tag_name,"ButtonRelease-1",  proc{ 
        inx = @dir_text.index("insert wordend +1 chars")
        @dir_text.set_insert("end")
        raise_candidates(inx, dir)
      } )
      @dir_text.tag_bind(tag_name,"Enter", proc{@dir_text.configure('cursor'=> 'hand2')})
      @dir_text.tag_bind(tag_name,"Leave", proc{@dir_text.configure('cursor'=> @cursor)})
    else
      @dir_text.insert("end", seg, @tag_selected)
    end
  }
  
  @dir_text.focus
  @dir_text.set_insert("end")
  @dir_text.see("end")
end