updateAttribute
Class: slreq.LinkSet
Namespace: slreq
Syntax
updateAttribute(myLinkSet,atrb,Name,Value)
Description
updateAttribute(
updates the custom attribute specified by myLinkSet
,atrb
,Name,Value
)atrb
with properties specified
by the name-value pairs Name
and Value
in the link
set myLinkSet
.
Input Arguments
myLinkSet
— Link set
slreq.LinkSet
object
Link set, specified as an slreq.LinkSet
object.
atrb
— Custom attribute name
character array
Custom attribute name, specified as a character array.
Name-Value Arguments
Specify optional pairs of arguments as
Name1=Value1,...,NameN=ValueN
, where Name
is
the argument name and Value
is the corresponding value.
Name-value arguments must appear after other arguments, but the order of the
pairs does not matter.
Before R2021a, use commas to separate each name and value, and enclose
Name
in quotes.
Example: 'Description','My new description.'
Description
— Custom attribute description
character array
Custom attribute description, specified as the comma-separated pair consisting of
'Description'
and a character array.
Example: 'Description','My new description.'
List
— Combobox
list options
cell array
Combobox
list options, specified as the comma-separated pair
consisting of 'List'
and a cell array. The list of options is
valid only if 'Unset'
is the first entry.
'Unset'
indicates that the user hasn't chosen an option from
the combo box. If the list does not start with 'Unset'
, it will be
automatically appended as the first entry.
Example: 'List',{'Unset','A','B','C'}
Note
You can only use this name-value pair when the Type
property of the custom attribute that you're updating is
Combobox
.
Examples
Update Link Set Custom Attribute Information
This example shows how to update custom attribute information for a link set.
Load the crs_req
requirement files, which describe a cruise control system. Find a link set in the files and assign it to a variable.
slreq.load('crs_req'); ls = slreq.find('Type','LinkSet');
Update an Edit
Custom Attribute
Add an Edit
custom attribute that has a description to the link set. Get the attribute information with inspectAttribute
.
addAttribute(ls,'MyEditAttribute','Edit','Description','Original attribute.'); inspectAttribute(ls,'MyEditAttribute')
ans = struct with fields:
name: 'MyEditAttribute'
type: Edit
description: 'Original attribute.'
Update the custom attribute with a new description. Confirm the change by getting the attribute information with inspectAttribute
.
updateAttribute(ls,'MyEditAttribute','Description','Updated attribute.'); inspectAttribute(ls,'MyEditAttribute')
ans = struct with fields:
name: 'MyEditAttribute'
type: Edit
description: 'Updated attribute.'
Update a Combobox
Custom Attribute
Add a Combobox
custom attribute with a list of options to the link set. Get the attribute information with inspectAttribute
.
addAttribute(ls,'MyCombobox','Combobox','List',{'Unset','A','B','C'}); inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
name: 'MyCombobox'
type: Combobox
description: ''
list: {'Unset' 'A' 'B' 'C'}
Update the custom attribute with a new list of options. Confirm the change by getting the attribute information with inspectAttribute
.
updateAttribute(ls,'MyCombobox','List',{'Unset','1','2','3'}); inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
name: 'MyCombobox'
type: Combobox
description: ''
list: {'Unset' '1' '2' '3'}
Update the custom attribute with a new list of options and a new description. Confirm the change by getting the attribute information with inspectAttribute
.
updateAttribute(ls,'MyCombobox','List',{'Unset','A1','B2','B3'},'Description',... 'Updated attribute with new options.'); inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
name: 'MyCombobox'
type: Combobox
description: 'Updated attribute with new options.'
list: {'Unset' 'A1' 'B2' 'B3'}
Version History
Introduced in R2020b
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