Difference between revisions of "Template:MDBTutorialViewPropertiesAndContext"

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== Defining View Properties and Variables ==
 
== Defining View Properties and Variables ==
−
To define context variables, type in the name of the variable to the text field and click the check mark. After that, you can click the value field and type in the value for your context variable. Context variables starting with "'''sys:'''" are [[QPR UI System Variables|system context variables]] which have special purpose in QPR UI - use them only for their intended purpose. The '''Behavior''' selection affects the context variable used explained in [[Context_Variables_in_QPR_UI#Context Variable Behaviors|Context Variable Behaviors]]. To see what context variable values are used in the view, panel, or presentation object, select the '''Show effective context''' check box in the Context tab of the view, panel, or presentation object properties pages.
+
To define context variables, type in the name of the variable to the text field and click the check mark. After that, you can click the value field and type in the value for your context variable. Context variables starting with "'''sys:'''" are system variables which have special purpose in QPR UI - use them only for their intended purpose. The '''Behavior''' selection affects the context variable used explained in [[Context_Variables_in_QPR_UI#Context Variable Behaviors|Context Variable Behaviors]]. To see what context variable values are used in the view, panel, or presentation object, select the '''Show effective context''' check box in the Context tab of the view, panel, or presentation object properties pages.
 +
 
 +
== Variables Usage Example ==
 +
There is a view with one panel, in which there is one presentation object. The '''Session''' variable values are defined as follows:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
|-
 +
||AccountManager
 +
||John Smith
 +
|-
 +
||Country
 +
||Sweden
 +
|}
 +
 
 +
In the '''View Properties''', the following variable values are defined:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Behavior'''
 +
|-
 +
||AccountManager
 +
||William Taylor
 +
||Stored variable
 +
|-
 +
||CustomerGroup
 +
||Kids
 +
||Local variable
 +
|}
 +
 
 +
In the '''Panel Properties''', the following variable values are defined:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Behavior'''
 +
|-
 +
||AccountManager
 +
||Susan Chapman
 +
||Local variable
 +
|-
 +
||Country
 +
||Finland
 +
||Local variable
 +
|}
 +
 
 +
In the '''Presentation Object Properties''', the following variable values are defined:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Behavior'''
 +
|-
 +
||ProductGroup
 +
||Umbrellas
 +
||Stored variable
 +
|}
 +
 
 +
In the '''Effective View Context''', these result into the values shown below. Note the '''Source''' column displaying the information where the effective context comes from:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Source'''
 +
! '''Scope'''
 +
|-
 +
||AccountManager
 +
||William Taylor
 +
||Scope of the view
 +
||View
 +
|-
 +
||Country
 +
||Sweden
 +
||Inherited from session context
 +
||Session
 +
|-
 +
||CustomerGroup
 +
||Kids
 +
||Scope of the view
 +
||View
 +
|}
 +
 
 +
In the '''Effective Panel Context''', these result into the values shown below. Note the '''Source''' column displaying the information where the effective context comes from:<br>
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Source'''
 +
! '''Scope'''
 +
|-
 +
||AccountManager
 +
||Susan Chapman
 +
||Initialized from the panel's context
 +
||Panel
 +
|-
 +
||Country
 +
||Finland
 +
||Initialized from the panel's context
 +
||Panel
 +
|-
 +
||CustomerGroup
 +
||Kids
 +
||Inherited from the effective context of the view
 +
||View
 +
|}
 +
 
 +
In the '''Effective Presentation Object Context''', these result into the values shown below. Note the '''Source''' column displaying the information where the effective context comes from:
 +
{| class="wikitable"
 +
!'''Variable name'''
 +
! '''Value'''
 +
! '''Source'''
 +
! '''Scope'''
 +
|-
 +
||AccountManager
 +
||Susan Chapman
 +
||Inherited from the effective context of the panel
 +
||Panel
 +
|-
 +
||Country
 +
||Finland
 +
||Inherited from the effective context of the panel
 +
||Panel
 +
|-
 +
||ProductGroup
 +
||Umbrellas
 +
||Scope of the presentation object
 +
||Presentation object
 +
|-
 +
||CustomerGroup
 +
||Kids
 +
||Inherited from the effective context of the view
 +
||View
 +
|}
 +
 
 +
To put it more concisely, the context variable values (and their behaviors) are as follows:<br>
 +
{| class="wikitable"
 +
!Context Variable||Session||View||Panel||Presentation Object
 +
|-
 +
|AccountManager||John Smith||William Taylor (Stored variable)||Susan Chapman (Local variable)||
 +
|-
 +
|Country||Sweden|| ||Finland (Local variable) ||
 +
|-
 +
|ProductGroup|| || || ||Umbrellas (Stored variable)
 +
|-
 +
|CustomerGroup|| ||Kids (Local variable)|| ||
 +
|}
 +
 
 +
The effective context values are:
 +
<br>
 +
{| class="wikitable"
 +
!Context Variable||Session||View||Panel||Presentation Object
 +
|-
 +
|AccountManager||John Smith||William Taylor||Susan Chapman||Susan Chapman
 +
|-
 +
|Country||Sweden||Sweden||Finland||Finland
 +
|-
 +
|ProductGroup|| || || ||Umbrellas
 +
|-
 +
|CustomerGroup|| ||Kids||Kids||Kids
 +
|}

Latest revision as of 10:29, 23 December 2019

Defining View Properties and Variables

To define context variables, type in the name of the variable to the text field and click the check mark. After that, you can click the value field and type in the value for your context variable. Context variables starting with "sys:" are system variables which have special purpose in QPR UI - use them only for their intended purpose. The Behavior selection affects the context variable used explained in Context Variable Behaviors. To see what context variable values are used in the view, panel, or presentation object, select the Show effective context check box in the Context tab of the view, panel, or presentation object properties pages.

Variables Usage Example

There is a view with one panel, in which there is one presentation object. The Session variable values are defined as follows:

Variable name Value
AccountManager John Smith
Country Sweden

In the View Properties, the following variable values are defined:

Variable name Value Behavior
AccountManager William Taylor Stored variable
CustomerGroup Kids Local variable

In the Panel Properties, the following variable values are defined:

Variable name Value Behavior
AccountManager Susan Chapman Local variable
Country Finland Local variable

In the Presentation Object Properties, the following variable values are defined:

Variable name Value Behavior
ProductGroup Umbrellas Stored variable

In the Effective View Context, these result into the values shown below. Note the Source column displaying the information where the effective context comes from:

Variable name Value Source Scope
AccountManager William Taylor Scope of the view View
Country Sweden Inherited from session context Session
CustomerGroup Kids Scope of the view View

In the Effective Panel Context, these result into the values shown below. Note the Source column displaying the information where the effective context comes from:

Variable name Value Source Scope
AccountManager Susan Chapman Initialized from the panel's context Panel
Country Finland Initialized from the panel's context Panel
CustomerGroup Kids Inherited from the effective context of the view View

In the Effective Presentation Object Context, these result into the values shown below. Note the Source column displaying the information where the effective context comes from:

Variable name Value Source Scope
AccountManager Susan Chapman Inherited from the effective context of the panel Panel
Country Finland Inherited from the effective context of the panel Panel
ProductGroup Umbrellas Scope of the presentation object Presentation object
CustomerGroup Kids Inherited from the effective context of the view View

To put it more concisely, the context variable values (and their behaviors) are as follows:

Context Variable Session View Panel Presentation Object
AccountManager John Smith William Taylor (Stored variable) Susan Chapman (Local variable)
Country Sweden Finland (Local variable)
ProductGroup Umbrellas (Stored variable)
CustomerGroup Kids (Local variable)

The effective context values are:

Context Variable Session View Panel Presentation Object
AccountManager John Smith William Taylor Susan Chapman Susan Chapman
Country Sweden Sweden Finland Finland
ProductGroup Umbrellas
CustomerGroup Kids Kids Kids
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