KBE3D / KBCore / Cesium / viewerDragDropMixin

函数: viewerDragDropMixin()

viewerDragDropMixin(viewer: Viewer, options?: { dropTarget?: string | Element; clearOnDrop?: boolean; flyToOnDrop?: boolean; clampToGround?: boolean; proxy?: Proxy; }): void

A mixin which adds default drag and drop support for CZML files to the Viewer widget. Rather than being called directly, this function is normally passed as a parameter to Viewer#extend, as shown in the example below.

参数

viewer

Viewer

The viewer instance.

options?

Object with the following properties:

dropTarget?

string | Element

The DOM element which will serve as the drop target.

clearOnDrop?

boolean

When true, dropping files will clear all existing data sources first, when false, new data sources will be loaded after the existing ones.

flyToOnDrop?

boolean

When true, dropping files will fly to the data source once it is loaded.

clampToGround?

boolean

When true, datasources are clamped to the ground.

proxy?

Proxy

The proxy to be used for KML network links.

返回

void

示例

// Add basic drag and drop support and pop up an alert window on error.
const viewer = new Cesium.Viewer('cesiumContainer');
viewer.extend(Cesium.viewerDragDropMixin);
viewer.dropError.addEventListener(function(viewerArg, source, error) {
    window.alert('Error processing ' + source + ':' + error);
});