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ImageOverlayListModel QML Type

A list model storing a list of image overlays available in a SceneView. More...

Import Statement: import Esri.ArcGISRuntime 100.9
Since: Esri.ArcGISRuntime 100.8

Properties

Signals

Methods

Detailed Description

Note: You cannot declare or create a component of this type in QML code.

Modifying this model (adding, removing, moving) will update the image overlays available in the GeoView.

The model returns data for the following roles:

RoleTypeDescription
opacitydoubleThe opacity of the image overlay.
visibilityboolWhether the image overlay is visible.

Property Documentation

count : int

Returns the number of objects in the model (read-only).


Signal Documentation

countChanged()

Emitted when the count property of the model changes.

Note: The corresponding handler is onCountChanged.


imageOverlayAdded(index)

Emitted when an object is added to the list model at the index specified in the parameter.

Note: The corresponding handler is onImageOverlayAdded.


imageOverlayRemoved(index)

Emitted when an object is removed from the list model at the index specified in the parameter.

Note: The corresponding handler is onImageOverlayRemoved.


Method Documentation

void append(imageOverlay)

Appends an imageOverlay to the ImageOverlay list model.


void clear()

Removes all ImageOverlays from the list model.


bool contains(imageOverlay)

Returns true if the list model contains the specified imageOverlay.


void forEach(callback)

Receives a callback function to execute for each image overlay in the model.

The callback function can take 0 to 3 optional arguments, in order:

Returns undefined if no error occurred, and an error message otherwise.

var error = ImageOverlayListModel.forEach(function(element, index, array) {
    ...
});
if (error) {
    console.error(error.message);
}

ImageOverlay get(index)

Returns the ImageOverlay at the specified index.


int indexOf(imageOverlay)

Returns the index of a specific image overlay (imageOverlay) from the list model.


void insert(index, ImageOverlay imageOverlay)

Inserts an imageOverlay to the ImageOverlay list model at index.


void move(from, int to)

Moves one ImageOverlay from an index in the list model to a different index.


void remove(index, int count = 1)

Removes one or more objects starting at the specified index.

  • index Index of first object to remove.
  • count Number of objects to remove. This parameter defaults to 1.

void removeOne(imageOverlay)

Removes the specified image overlay (imageOverlay) from the list model.


void setProperty(index, string property, variant value)

Changes the property of the ImageOverlay at index in the list model to value.



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