Class sap.uxap.ObjectPageLazyLoaderModule: sap/uxap/ObjectPageLazyLoader

extends Control

ObjectPageLazyLoader is a helper element that enables a "stashed"-based lazy loading approach for the content of the sap.uxap.ObjectPageSubSection control. ObjectPageLazyLoader is intended to be used in a declarative way only (e.g. in a view) with the "stashed" property set to "true", and is recommended to be used only once per subsection as its sole content.

ObjectPageLazyLoader utilizes UI5's stashing mechanism and is a lightweight alternative to the native block-based Lazy Loading of the Object Page. Wrapping the content of a subsection in an ObjectPageLazyLoader with "stashed=true" will make the said content unstash automatically as the user scrolls.

Note: Subsections are required to have an ID when used with ObjectPageLazyLoader.


Since: 1.38.
Constructor Summary
new sap.uxap.ObjectPageLazyLoader(sId?, mSettings?)Constructor for a new ObjectPageLazyLoader.
Events borrowed from class sap.ui.core.Control
Method Summary
sap.uxap.ObjectPageLazyLoader.extend(sClassName, oClassInfo?, FNMetaImpl?)Creates a new subclass of class sap.uxap.ObjectPageLazyLoader with name sClassName and enriches it with the information contained in oClassInfo.
sap.uxap.ObjectPageLazyLoader.getMetadata()Returns a metadata object for class sap.uxap.ObjectPageLazyLoader.
addContent(oContent)Adds some content to the aggregation content.
destroyContent()Destroys all the content in the aggregation content.
getContent()Gets content of aggregation content.
indexOfContent(oContent)Checks for the provided sap.ui.core.Control in the aggregation content.
insertContent(oContent, iIndex)Inserts a content into the aggregation content.
removeAllContent()Removes all the controls from the aggregation content.
removeContent(vContent)Removes a content from the aggregation content.
Constructor Detail
new sap.uxap.ObjectPageLazyLoader(sId?, mSettings?)

Constructor for a new ObjectPageLazyLoader.

Accepts an object literal mSettings that defines initial property values, aggregated and associated objects as well as event handlers. See sap.ui.base.ManagedObject for a general description of the syntax of the settings object.

The supported settings are:

  • Aggregations

    • content : sap.ui.core.Control[] (default)

In addition, all settings applicable to the base type sap.ui.core.Control can be used as well.

Parameters:
stringsId?ID for the new control, generated automatically if no ID is given
objectmSettings?initial settings for the new control
Method Detail
sap.uxap.ObjectPageLazyLoader.extend(sClassName, oClassInfo?, FNMetaImpl?): function

Creates a new subclass of class sap.uxap.ObjectPageLazyLoader with name sClassName and enriches it with the information contained in oClassInfo.

oClassInfo might contain the same kind of information as described in sap.ui.core.Control.extend.

Parameters:
stringsClassNameName of the class being created
objectoClassInfo?Object literal with information about the class
functionFNMetaImpl?Constructor function for the metadata object; if not given, it defaults to sap.ui.core.ElementMetadata
Returns:
functionCreated class / constructor function
sap.uxap.ObjectPageLazyLoader.getMetadata(): sap.ui.base.Metadata
Returns a metadata object for class sap.uxap.ObjectPageLazyLoader.
Returns:
sap.ui.base.MetadataMetadata object describing this class
addContent(oContent): sap.uxap.ObjectPageLazyLoader
Adds some content to the aggregation content.
Parameters:
sap.ui.core.ControloContentthe content to add; if empty, nothing is inserted
Returns:
sap.uxap.ObjectPageLazyLoaderReference to this in order to allow method chaining
Destroys all the content in the aggregation content.
Returns:
sap.uxap.ObjectPageLazyLoaderReference to this in order to allow method chaining
getContent(): sap.ui.core.Control[]

Gets content of aggregation content.

Controls to be displayed after this element is unstashed

Returns:
sap.ui.core.Control[]
indexOfContent(oContent): int
Checks for the provided sap.ui.core.Control in the aggregation content. and returns its index if found or -1 otherwise.
Parameters:
sap.ui.core.ControloContentThe content whose index is looked for
Returns:
intThe index of the provided control in the aggregation if found, or -1 otherwise
insertContent(oContent, iIndex): sap.uxap.ObjectPageLazyLoader
Inserts a content into the aggregation content.
Parameters:
sap.ui.core.ControloContentthe content to insert; if empty, nothing is inserted
intiIndexthe 0-based index the content should be inserted at; for a negative value of iIndex, the content is inserted at position 0; for a value greater than the current size of the aggregation, the content is inserted at the last position
Returns:
sap.uxap.ObjectPageLazyLoaderReference to this in order to allow method chaining
removeAllContent(): sap.ui.core.Control[]

Removes all the controls from the aggregation content.

Additionally, it unregisters them from the hosting UIArea.

Returns:
sap.ui.core.Control[]An array of the removed elements (might be empty)
removeContent(vContent): sap.ui.core.Control
Removes a content from the aggregation content.
Parameters:
int|string|sap.ui.core.ControlvContentThe content to remove or its index or id
Returns:
sap.ui.core.ControlThe removed content or null