2024 April Release
COOSYSTEM@1.1:attruisearchchangeexpr
Expression for Handling Changes of Values in a Query
Defines an expression that is evaluated for a property on a search form (
It can be defined in order to trigger the re-evaluation of filter constraints or to set or clear the values of other properties.
It gets evaluated when the value of the property on a search form gets changed i.e. when the focus leaves the control.
If an error occurs when evaluating the expression, this error is displayed in UI.
A return value is not required.
Explanation:
Defines an app.ducx expression that handles the change of a value of the property in the user interface in a search form (see also
ApplicationView with valuetype = VALUETYPE_QUERY).It can be defined in order to trigger the re-evaluation of filter constraints or to set or clear the values of other properties.
It gets evaluated when the value of the property on a search form gets changed i.e. when the focus leaves the control.
If an error occurs when evaluating the expression, this error is displayed in UI.
A return value is not required.
Explanation:
Defines an app.ducx expression that handles the change of a value of the property in the user interface in a search form (see also
attruisearchchangeexpr).
string[] COOSYSTEM@1.1:attruisearchchangeexpr
readonly(inst)(
object ::root,
AttributeDefinition ::attribute,
any ::parent,
any ::value,
boolean ::isvalue,
boolean ::isedit,
boolean ::iseditcommon,
boolean ::isdashboard,
boolean ::issingleattribute,
Action ::context)
Local Scope: dictionary
Global Scope: dictionary
Name |
Description |
|
::root |
contains the object the expression is evaluated for. ::root is identical to
cooobj. |
|
::attribute |
contains the property the expression is evaluated for.
|
|
::parent |
the parent of
cooobj. |
|
::value |
the current value of the property.
|
|
::isvalue |
contains
true if the form is used for displaying values (edit mode or read-only mode) opposed to query mode (see valuetype in ApplicationView). |
|
::isedit |
contains
true if the form is in edit mode opposed to read-only mode (see edittype in ApplicationView). ::isedit is only valid if ::isvalue is true. |
|
::iseditcommon |
contains
true if the form is used to edit common properties of multiple objects. ::iseditcommon is only valid if ::isvalue is true.
In this case ::root/cooobj refer to the first object of the selection. |
|
::isdashboard |
contains
true if the property is displayed in a dashboard. |
|
::issingleattribute |
contains
true if the property is displayed in single attribute mode, i. e. when all other properties of a form page are hidden. |
|
::context |
contains the view action which is used to determine the form.
Typical view actions are:
|