class Tk::BLT::Tree::Tag - tk-0.2.0 Documentation

# class Tk::BLT::Tree::Tag

### Constants

TreeTagID_TBL
TreeTag_ID

### Public Class Methods

id2obj(tree, id) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 281
    def self.id2obj(tree, id)
      tpath = tree.path
      TreeTagID_TBL.mutex.synchronize{
        if TreeTagID_TBL[tpath]
          if TreeTagID_TBL[tpath][id]
            TreeTagID_TBL[tpath][id]
          else
            begin
              # self.new(tree, id)
              (obj = self.allocate).instance_eval{
                @parent = @tree = tree
                @tpath = @parent.path
                @path = @id = id.dup.freeze if id
                TreeTagID_TBL[@tpath] = {} unless TreeTagID_TBL[@tpath]
                TreeTagID_TBL[@tpath][@id] = self
              }
              obj
            rescue
              id
            end
          end
        else
          id
        end
      }
    end

new(tree, tag_str = nil) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 308
    def initialize(tree, tag_str = nil)
      @parent = @tree = tree
      @tpath = @parent.path

      if tag_str
        @path = @id = tag_str.dup.freeze
      else
        TreeTag_ID.mutex.synchronize{
          @path = @id = TreeTag_ID.join(TkCore::INTERP._ip_id_)
          TreeTag_ID[1].succ!
        }
      end
      TreeTagID_TBL.mutex.synchronize{
        TreeTagID_TBL[@tpath] = {} unless TreeTagID_TBL[@tpath]
        TreeTagID_TBL[@tpath][@id] = self
      }
    end

### Public Instance Methods

add(*nodes) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 330
    def add(*nodes)
      tk_call(@tpath, 'tag', 'add', @id, *nodes)
      self
    end

delete(*nodes) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 335
    def delete(*nodes)
      tk_call(@tpath, 'tag', 'delete', @id, *nodes)
      self
    end

forget() click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 340
    def forget()
      tk_call(@tpath, 'tag', 'forget', @id)
      TreeTagID_TBL.mutex.synchronize{
        TreeTagID_TBL[@tpath].delete(@id)
      }
      self
    end

id() click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 326
    def id
      @id
    end

mutex() click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 277
    def mutex; @mutex; end

nodes() click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 348
    def nodes()
      simplelist(tk_call(@tpath, 'tag', 'nodes', @id)).collect{|node|
        Tk::BLT::Tree::Node.id2obj(@path, node)
      }
    end

set(node) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 354
    def set(node)
      tk_call(@tpath, 'tag', 'set', node, @id)
      self
    end

unset(node) click to toggle source

    # File lib/tkextlib/blt/tree.rb, line 359
    def unset(node)
      tk_call(@tpath, 'tag', 'unset', node, @id)
      self
    end