Drag and drop topics

Topic table supports also drag and drop feature. Topics are dragged from a topic table with LEFT mouse button. Dragged topics can be dropped into topic tables, topic trees or even external application. When topics are dropped into a topic table in Wandora, the behavior depends on target table type:

• If topics are dropped to the instance table, all dropped topics are made instances of the current topic. After drop the instance table should contain also dropped topics.
• If topics are dropped to the class table, all dropped topics are made classes of the current topic. After drop the class table should dropped topics also.
• If topics are dropped to the association table, new association are created with dropped topics. The cell where drop takes place has a special importance. The cell contains a player of the association and is replaced by each dropped topic in created associations.