In a previous example, “Preventing branches from being selected in a Flex Tree control”, we saw how we could prevent users from selecting branches (folders) in a Tree container in Flex by using the itemClick event and the Tree class’s dataDescriptor.isBranch() method.
The following example shows you how you can prevent any item from being selected by adding an attribute (named “clickable”, but you could name it anything you wanted) and using E4X expressions to determine if the currently clicked item should be selectable or not.
Full code after the jump.
Continue reading ‘Preventing specific items from being selected in a Flex Tree control’
The following example shows how you can determine which item was clicked in a LinkBar control in Flex by listening for the itemClick event.
Full code after the jump.
Continue reading ‘Determining which item was clicked in a Flex LinkBar control’
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’
