WebWorldWind/apps/util/TerrainOpacityController.js
Patrick Hogan 09c81f862e Update
2018-06-21 19:03:59 -07:00

62 lines
2.2 KiB
JavaScript

/*
* Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
* National Aeronautics and Space Administration. All rights reserved.
*
* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @exports TerrainOpacityController
*/
define(function () {
"use strict";
/**
* Constructs a TerrainOpacityController.
* @alias TerrainOpacityController
* @constructor
* @classdesc Provides a slider to control the opacity of TiledImageLayer layers.
* @param {WorldWindow} worldWindow The WorldWindow to associate with this opacity controller.
*/
var TerrainOpacityController = function (worldWindow) {
var thisController = this;
this.wwd = worldWindow;
this.slider = $("#terrainOpacitySlider").slider({
value: this.wwd.surfaceOpacity * 100,
min: 0,
max: 100,
animate: true,
slide: function (event, ui) {
$("#terrainOpacityReadout").html(ui.value / 100);
thisController.updateOpacity(ui.value);
}
});
$("#terrainOpacityReadout").html(this.slider.slider("value") / 100);
};
TerrainOpacityController.prototype.updateOpacity = function (value) {
this.wwd.surfaceOpacity = value / 100;
//for (var i = 0; i < this.wwd.layers.length; i++) {
// var layer = this.wwd.layers[i];
//
// if (layer instanceof WorldWind.TiledImageLayer) {
// layer.opacity = value / 100;
// }
//}
this.wwd.redraw();
};
return TerrainOpacityController;
});