SSDM-7071: BlockScrollUtil not needed because extra blocking scrolling of main window isn't needed

openbis_standard_technologies/dist/core-plugins/eln-lims/1/as/webapps/eln-lims/html/js/util/BlockScrollUtil.js

-/*
- * Copyright 2014 ETH Zuerich, Scientific IT Services
- *
- * 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.
- */
-
-// Based on http://stackoverflow.com/questions/4770025/how-to-disable-scrolling-temporarily
-
-// left: 37, up: 38, right: 39, down: 40,
-// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
-var BlockScrollUtil = new function() {
-		this.keys = [37, 38, 39, 40];
-		
-		this.preventDefault = function(e) {
-			e = e || window.event;
-			if (e.preventDefault)
-				e.preventDefault();
-			e.returnValue = false;
-		}
-		
-		this.keydown = function(e) {
-			for (var i = BlockScrollUtil.keys.length; i--;) {
-				if (e.keyCode === BlockScrollUtil.keys[i]) {
-					BlockScrollUtil.preventDefault(e);
-					return;
-				}
-			}
-		}
-		
-		this.wheel = function(e) {
-			BlockScrollUtil.preventDefault(e);
-		}
-		
-		this.disable_scroll = function() {
-			if (window.addEventListener) {
-				window.addEventListener('DOMMouseScroll', BlockScrollUtil.wheel, false);
-			}
-			window.onmousewheel = document.onmousewheel = BlockScrollUtil.wheel;
-			
-			document.onkeydown = function(e) {
-				BlockScrollUtil.keydown(e);
-			};
-		}
-		
-		this.enable_scroll = function() {
-			if (window.removeEventListener) {
-				window.removeEventListener('DOMMouseScroll', BlockScrollUtil.wheel, false);
-			}
-			window.onmousewheel = document.onmousewheel = document.onkeydown = null;
-		}
-	}