Tag Archive for 'hasownproperty()'

04
Apr

Creating a simple image gallery with the Flex Tree control

The following example shows how you can create a simple image gallery in Flex using a Tree control and a SWFLoader control.

Full code after the jump.

Continue reading ‘Creating a simple image gallery with the Flex Tree control’

16
Jan

Preventing specific items from being selected in a Flex Tree control

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’

05
Aug

Removing duplicate items from an array using the Array.filter() method

I’m sure there is an easier/better way to do this (and I’ll update this post accordingly if I find one) but here is a little sample which takes an array of items and filters out the duplicates.

Full code after the jump.

Continue reading ‘Removing duplicate items from an array using the Array.filter() method’