DataModelIter

---

Object Hierarchy:

Description:

Content:

Properties:

• public int current_row { get; set; }
• public DataModel data_model { owned get; set construct; }
• public DataModel forced_model { owned get; set; }
• public bool update_model { get; set; }

Static methods:

• public static Quark error_quark ()

Creation methods:

• protected DataModelIter ()

Methods:

• public int get_column_for_param (Holder param)
  Get the column number in the DataModel for which this is an iterator as represented by the param parameter
• public unowned Holder get_holder_for_field (int col)
  Fetch a pointer to the Holder object which is synchronized with data at column col
• public int get_row ()
  Get the row which this represents in the data model
• public unowned Value? get_value_at (int col)
  Get the value stored at the column col in this.
• public unowned Value? get_value_at_e (int col) throws Error
  Get the value stored at the column col in this.
• public unowned Value? get_value_for_field (string field_name)
  Get the value stored at the column field_name in this
• public void invalidate_contents ()
  Declare all the parameters in this invalid, without modifying the DataModel this is for or changing the row it represents.
• public bool is_valid ()
  Tells if this is a valid iterator (if it actually corresponds to a valid row in the model)
• public bool move_next ()
  Moves this one row further than where it already is (synchronizes the values of the parameters in this with the values at the new row).
• public bool move_prev ()
  Moves this one row before where it already is (synchronizes the values of the parameters in this with the values at the new row).
• public bool move_to_row (int row)
  Synchronizes the values of the parameters in this with the values at the row row.
• public bool set_value_at (int col, Value value) throws Error
  Sets a value in this, at the column specified by col

Signals:

• public virtual signal void end_of_data ()
  Gets emitted when iter has reached the end of available data (which means the previous row it was on was the last one).
• public virtual signal void row_changed (int row)
  Gets emitted when the row iter is currently pointing has changed

Inherited Members: