com.webfirmframework.wffweb.server.page.js.wffClientEvents.js Maven / Gradle / Ivy

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A java framework to develop web applications
There is a newer version: 12.0.1

// onload is not good as it will wait for the complete images be downloaded
// this event will be triggered as soon as the dom tree creation is finished
document.addEventListener("DOMContentLoaded",
		function(event) {
			console.log('DOMContentLoaded');
			
			wffWS.openSocket(wffGlobal.WS_URL);
			
			window.wffOnWindowClosed = false;
			
			var onWffWindowClose = function() {
				
				if (!window.wffOnWindowClosed) {
					
					wffBMClientEvents.wffRemoveBPInstance(sessionStorage.getItem('WFF_INSTANCE_ID'));
					
					//alert will now execute here
					console.log("onWffWindowClose!");
					
				}
				window.wffOnWindowClosed = true;
			};
			
			var isWffWindowEventSupported = function (eventName) {
				var el = window;
				eventName = 'on' + eventName;
				var isSupported = (eventName in el);
				if (!isSupported && typeof InstallTrigger !== 'undefined') {
					el.setAttribute(eventName, 'return;');
					isSupported = typeof el[eventName] == 'function';
				}
				el = null;
				return isSupported;
			};
			
			if (isWffWindowEventSupported('beforeunload')) {
				window.addEventListener("beforeunload", onWffWindowClose, false);
			}

			if (isWffWindowEventSupported('unload')) {
				window.addEventListener("unload", onWffWindowClose, false);
			}
			
			MutationObserver = window.MutationObserver
					|| window.WebKitMutationObserver;

			var attrObserver = new MutationObserver(function(mutations,
					observer) {
				// fired when a mutation occurs
				console.log('MutationObserver', mutations, observer);
				var attrNameValues = {};

				for (var i = 0; i < mutations.length; i++) {
					var mutation = mutations[i];
					attrNameValues[mutation.attributeName] = mutation.target
							.getAttribute(mutation.attributeName);
				}

				console.log('attrNameValues', attrNameValues);

			});

			// define what element should be observed by the observer
			// and what types of mutations trigger the callback
			attrObserver.observe(document, {
				// childList: true,
				// characterData: false,
				// should be true otherwise will not invoke function(mutations,
				// observer)
				subtree : true,
				attributes : true
			});

			var tagObserver = new MutationObserver(
					function(mutations, observer) {
						// fired when a mutation occurs
						console.log('tagObserver MutationObserver', mutations,
								observer);
						for (var i = 0; i < mutations.length; i++) {
							var mutation = mutations[i];
							var addedNodes = mutation.addedNodes;
							for (var j = 0; j < addedNodes.length; j++) {
								var addedNode = addedNodes[j];
								console.log('addedNode', addedNode);
							}
						}

					});

			tagObserver.observe(document, {
				childList : true,
				// characterData: false,
				// should be true otherwise will not invoke function(mutations,
				// observer)
				subtree : true
			});

		});