The following example shows you how you can prevent users from selecting the branch (folder) items in a Tree control in Flex by listening for the itemClick event and using the Tree class’s dataDescriptor.isBranch() method to determine whether the currently selected item is a branch, and if so, deselect the item.
Full code after the jump.
Continue reading ‘Preventing branches from being selected in a Flex Tree control’
The following example shows how you can use the isBranch() method to determine if a specific node in a Tree control is a branch (folder) or leaf (item).
Full code after the jump.
Continue reading ‘Using the isBranch() method to determine if a Tree item is a branch or leaf’
The following example shows you how you can reorder nodes in a Flex Tree control by setting the dragEnabled, dropEnabled, and dragMoveEnabled properties.
Full code after the jump.
Continue reading ‘Dragging and dropping items in a Flex Tree control’
