Module: ActiveWindow::TreeStoreExtentions

Included in:
ActiveTreeStore, FilteredActiveTreeStore
Defined in:
lib/active_window/active_tree_store/extentions.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/active_window/active_tree_store/extentions.rb', line 5

def self.included(base)
  base.class_eval do
    include ActiveSupport::Callbacks
    include ActiveTreeStoreColumns
    include ActiveTreeStoreIndex
  end
end

Instance Method Details

#add(object, parent = nil) ⇒ Object

Add object to tree, give optional parent



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# File 'lib/active_window/active_tree_store/extentions.rb', line 40

def add(object, parent=nil)
  iter = self.append parent
  case object
  when Hash
    update_iter_from_hash iter, object
  else
    update_iter_from_object iter, object
  end
  iter[ self.class.column_id[:object] ] = object
  iter
end

#apply_to_tree(treeview, opts = {}) ⇒ Object

associates a Gtk::TreeView widget with self (a tree model).

Raises:

  • (ArgumentError) 


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# File 'lib/active_window/active_tree_store/extentions.rb', line 13

def apply_to_tree(treeview, opts={})
  raise ArgumentError, "please provide a Gtk::TreeView" unless treeview.is_a?(Gtk::TreeView)
  treeview.model = self
  cols = self.class.visible_columns
  cols = cols.except(opts[:except]) if opts.has_key?(:except)
  cols = cols.slice(opts[:only]) if opts.has_key?(:only)
  cols.map(&:view).each do |column|
    treeview.append_column(column)
  end
end

#get_object(iter) ⇒ Object

The original object for iter. FIXME remove



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# File 'lib/active_window/active_tree_store/extentions.rb', line 34

def get_object(iter)
  raise "depricated - please use iter[OBJECT]"
  iter[ self.class.column_id[:object] ]
end

#populate(array) ⇒ Object

Populare the Tree with an array of objects. The Tree gets cleared first.



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# File 'lib/active_window/active_tree_store/extentions.rb', line 25

def populate(array)
  clear
  array.each do |element|
    self.add element  
  end
end

#refresh(object) ⇒ Object

Updates the display in the tree/list of the given object



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# File 'lib/active_window/active_tree_store/extentions.rb', line 53

def refresh(object)
  each do |model,path,iter| 
    if iter[OBJECT] == object
      update_iter_from_object(iter, object)
      break
    end
  end
end