MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Spezifikationen PDF herunterladen (Seite 38)

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Chapter 338

Adding tree controls

Tree controls display data in a hierarchical format and let users expand and collapse nodes in the

tree. The

mm:treecontrol tag lets you create tree controls for any type of information; unlike the

database tree control described in “Adding a database tree control” on page 36, no association

with a database is required.The Dreamweaver Keyboard Shortcuts editor uses the tree control, as

shown in the following illustration:

Creating a tree control

The

MM:TREECONTROL tag creates a tree control and can use one or more additional tags to add

structure, as described in the following list:

• MM:TREECOLUMN is an empty, optional tag that defines a column in the tree control.

• MM:TREENODE is an optional tag that defines a node in the tree. It is a nonempty tag that can

contain only other

MM:TREENODE tags.

MM:TREECONTROL tags have the following attributes:

Attribute Name Description

name Name of the tree control

size Optional. Number of rows that show in the control; default is 5 rows

theControl Optional. If the number of nodes in theControl exceeds the value of the size

attribute, scrollbars appear

multiple Optional. Allows multiple selections; default is single-selection

style Optional. Style definition for height and width of tree control; if specified,

takes precedence over SIZE attribute

noheaders Optional. Specifies that the column headers should not display

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