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Additional Components 151
Icons
Icons
The Icons tab allows you to configure how graphics render in vFoglight. In a view
definition, an icon can be referenced directly by using an Icon Selection Runtime Value
and then setting an Icon Renderer to specify the desired size. In the Types tab, an icon
can be mapped to a data type. In a view definition, selecting data of that type and
specifying an Icon Renderer causes the data to display as the mapped icon.
Icons collect differently-sized (but similar in appearance) images under a single name.
Images can be specified for the following sizes:
Extra small (8x8 pixels)
Small (11x11 pixels)
Medium (16x16 pixels)
Large (32x32 pixels)
Extra large (64x64 pixels)
Huge (128x128 pixels)
Scalable (any size)
Types Tab
Mappings of icons to data types and mappings of renderers to data types and properties
are configured on this tab. When an icon is mapped to a data type, the icon is displayed
if an Icon Renderer is specified on any View Property referencing data of that type.
When a renderer is mapped to a data type or property, any view property bound to data
of the type or property is displayed using the mapped renderer unless a specific renderer
is set on the view property.
The Web Component Framework has a concept of renderers for Runtime Values, which
can be used to format the output from the RuntimeValue in various ways. Definitions for
all of the renderers are held in a one-file-per-wcf.xml file and in a global file that is
common to the whole application. The files are named renderers.xml.
The ID attribute is a unique name that is associated with the corresponding renderer.
This is the value that is to be specified in the renderer-ID of RuntimeValue. See “Data
on page 141.
The optional
<associations> section specifies associations between the renderer and
sdo types, metric, classes or units, depending on the tags it contains. Each of the tags in
the associations section is optional and more than one association of each type may be
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