A node for grouping multiple lightweight clones of a node in the scene.

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Inherits :

• QObject
  • DzBase
    • DzElement
      • DzNode
        • DzInstanceNode

An instance group node is used to group multiple lightweight clones of the same DzNode (subclass) in the scene that has a DzObject. These lightweight clones are drawn the same as the node that they are a clone of with the exception of their individual transforms.

See Also:

• DzNode::getObject()
• DzInstanceNode
• DzInstanceGroupItem

DzInstanceGroupNode()

Default Constructor.

void : beginItemEdit()

Begin edit of this node.

Attention:

• If adding or removing many items from this node it is more efficient to call beginItemEdit() do edits and call finishItemEdit() when done.

See Also:

• finishItemEdit()

void : clearItems()

Return Value:

• Removes all items from this node.

DzInstanceGroupItem : createItem()

Return Value:

• A new instance group item.

Number : findIndexForItem( DzInstanceGroupItem item )

Parameter(s):

• item - The item to get the index for.

Return Value:

• The index for the given item or -1 if it does not belong to this node.

void : finishItemEdit()

Finish edit of this node.

See Also:

• beginItemEdit()

DzInstanceGroupItem : getGroupItem( Number index )

Parameter(s):

• index - The index of the item to get the group of.

Return Value:

• The group item at the given index or null if it does not exist.

Number : getNumberOfGroupItems()

Return Value:

• The number of group items.

Boolean : isEditingItems()

Return Value:

• true if in beginItemEdit/finishItemEdit session

void : removeItem( Number index )

Parameter(s):

• index - The index of the item to remove.

Return Value:

• Removes and deletes the item at the given index.