Dell PowerConnect W-Clearpass 100 Software Betriebsanweisung PDF herunterladen (Seite 478)

478 | Reference ClearPass Guest 3.9 | Deployment Guide

View Display Expression Technical Reference

A page that contains a view is displayed in an operator’s Web browser. The view con

tains data that is loaded from the server dynamically. Because of this, both data formatting and display

operations for the view are implemented with JavaScript in the Web browser.

For each item displayed in the view, a JavaScript object is constructed. Each field of the item is defined as a

property of this object. When evaluating the JavaScript Display Expression, the data variable is used to

refer to this object. Thus, the expression data.my_field would return the value of the field named

“my_field”.

In the above view (the guest_users view), the four columns displayed correspond to the username,

role_name, enabled, and expire_time fields.

Table 54 Display Expressions for Data Formatting

Value Description

Display Expressions

data.username.bold() Displays the username string as bold text.

data.role_name Displays the name of the role.

Nwa_BooleanText(data.enabled, "Enabled",

"Disabled")

Displays either “Enabled” or “Disabled” depending on the

value of the enabled field.

(parseInt(data.do_expire) != 0) ?

Nwa_DateFormat(data.expire_time, "%Y-%m-%d

%H:%M") : "N/A"

Displays “N/A” if the account has no expiration time, or a date

and time string if an expiration time has been set.

JavaScript functions

Nwa_BooleanText

(value, if_true, if_false[, if_undefined])

Returns the value of if_true or if_false depending on whether

the value evaluates to a Boolean true or false, respectively. If

the value has an undefined type (in other words. has not been

set), and the if_undefined parameter was provided, returns

if_undefined.

Nwa_DateFormat(value, format) Converts a numerical value (UNIX time) to a string using the

date and time format string format. The format string uses

similar syntax to the NwaDateFormat() function. See “Date/

Time Format String Reference” in this chapter for a full list

of the supported format strings.

Nwa_FloatFormat(value, decimals) Converts a numerical value to a string, with the number of

decimal places specified in decimals.

Nwa_MinutesToNatural(value) Converts a numeric value measuring a time in minutes to a

natural time representation (such as “2 minutes”, “3 hours”,

“11 days”).

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