Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | 84x 1x 83x 83x 83x 83x 5x 83x 83x 1x 3x 232x | import { defined, DeveloperError } from "@cesium/engine";
import knockout from "../ThirdParty/knockout.js";
import createCommand from "../createCommand.js";
/**
* The view model for {@link HomeButton}.
* @alias HomeButtonViewModel
* @constructor
*
* @param {Scene} scene The scene instance to use.
* @param {number} [duration] The duration of the camera flight in seconds.
*/
function HomeButtonViewModel(scene, duration) {
//>>includeStart('debug', pragmas.debug);
if (!defined(scene)) {
throw new DeveloperError("scene is required.");
}
//>>includeEnd('debug');
this._scene = scene;
this._duration = duration;
const that = this;
this._command = createCommand(function () {
that._scene.camera.flyHome(that._duration);
});
/**
* Gets or sets the tooltip. This property is observable.
*
* @type {string}
*/
this.tooltip = "View Home";
knockout.track(this, ["tooltip"]);
}
Object.defineProperties(HomeButtonViewModel.prototype, {
/**
* Gets the scene to control.
* @memberof HomeButtonViewModel.prototype
*
* @type {Scene}
*/
scene: {
get: function () {
return this._scene;
},
},
/**
* Gets the Command that is executed when the button is clicked.
* @memberof HomeButtonViewModel.prototype
*
* @type {Command}
*/
command: {
get: function () {
return this._command;
},
},
/**
* Gets or sets the the duration of the camera flight in seconds.
* A value of zero causes the camera to instantly switch to home view.
* The duration will be computed based on the distance when undefined.
* @memberof HomeButtonViewModel.prototype
*
* @type {number|undefined}
*/
duration: {
get: function () {
return this._duration;
},
set: function (value) {
//>>includeStart('debug', pragmas.debug);
if (defined(value) && value < 0) {
throw new DeveloperError("value must be positive.");
}
//>>includeEnd('debug');
this._duration = value;
},
},
});
export default HomeButtonViewModel;
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