Using the isBranch() method to determine if a Tree item is a branch or leaf

By On November 30, 2007 · 7 Comments

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.

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Dragging and dropping items in a Flex Tree control

By On November 29, 2007 · 6 Comments

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.

 

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Creating a Flex Tree control with variable row heights

By On November 29, 2007 · Leave a Comment

The following example shows you how you can create a Tree control in Flex with variable row heights by setting the variableRowHeight and wordWrap properties.

Full code after the jump.

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Toggling a Tree control’s root node in Flex

By On November 29, 2007 · 2 Comments

The following example shows you how you can toggle the root node in a Flex Tree control’s data provider by setting the showRoot property.

Full code after the jump.

 

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Opening nodes in a Flex Tree control using the expandItem() method

By On November 29, 2007 · 8 Comments

The following example shows you how you can expand tree nodes (recursively, no less) by selecting an item from a ComboBox control.

Full code after the jump.

 

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Using the itemDoubleClick event to open nodes in a Flex Tree control

By On November 29, 2007 · 3 Comments

The following example shows how you can use the itemDoubleClick event to open the selected Tree node in Flex.

Full code after the jump.

 

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Setting icons for specific nodes in a Flex Tree control

By On November 29, 2007 · 12 Comments

The following example shows you how you can override a specific node’s icon in a Flex Tree control ysing the Tree class’s setItemIcon() method.

Full code after the jump.

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Detecting when a user opens or closes a Tree control in Flex

By On November 28, 2007 · Leave a Comment

The following example shows you how you can listen for when the user opens or closes a node in a Flex Tree control by listening for the itemOpen and itemClose events to be dispatched.

Full code after the jump.

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Controlling a Tree control’s item indentation in Flex

By On November 27, 2007 · 5 Comments

The following example shows how you can control the amount of indentation for a child node in a Flex Tree control.

Full code after the jump.

 

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Alternating row colors in a Flex Tree control using the depthColors style

By On November 27, 2007 · Leave a Comment

In a previous example, “Alternating row colors in a Flex Tree control using the alternatingItemColors style”, we saw how you can alternate row colors by setting the alternatingItemColors style.
The following example shows how you can alternate item colors based on the item’s depth in a Flex Tree control by setting the depthColors [...]

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Alternating row colors in a Flex Tree control using the alternatingItemColors style

By On November 27, 2007 · Leave a Comment

The following example shows how you can alternate item colors in a Flex Tree control by setting the alternatingItemColors style to an array of colors.

Full code after the jump.

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Changing the open duration and easing function on a Flex Tree control

By On November 27, 2007 · 4 Comments

The following example shows how you can change the open duration and open easing function on a Tree control in Flex by setting the openDuration and openEasingFunction styles.

Full code after the jump.

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