Servis-Rhino 4211B Guia do Utilizador descarregar pdf (Página 173)

• nbZones – The number of columns (zones) in the grid.

There are also a number of methods of interest on the GridContainer including:

• setColumns() - Set the number of columns to show. This has to be greater than or

equal to the number of columns that contain widgets. For example, if a grid container

contains three widgets with the first two being in column 1 and the last being in column 2,

then we can set the number of columns to be 2 or greater. We can't set the number of

columns to be 1 while the number of used columns is greater than 1.

• enableDnd() - Enabled Drag and drop in the container.

• disableDnd() - Disable Drag and drop in the container.

• getChildren() - Returns a NodeList of child widgets container in the container. Use

the NodeList accessors to work with this object. It isn't a simple array.

Closely associated with the GridContainer is a second Dojo widget called

"dojox.widget.Portlet". This widget provides a title pane container that is designed to live

within a GridContainer. It has a relationship to GridContainer in that it can be dragged

and dropped around the environment.

This widget also has a required style sheet called:

• dojox/widget/Portlet/Portlet.css

The Portlet widget has the following properties:

• closeable – A boolean that defines whether or not the widget can be closed.

• dragRestriction – Can the widget be dragged.

• title – The title of the Portlet.

To nest even further, a child of a Portlet can be an instance of

dojox.widget.PortletSettings which will add a settings pop-down to the widget.

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