support filling the javascript filter from url hash

[skip ci]

1 files changed, 32 insertions, 0 deletions

diff --git a/assets/js/hashfill.js b/assets/js/hashfill.js
new file mode 100644
index 0000000..a831703
--- /dev/null
+++ b/assets/js/hashfill.js
@@ -0,0 +1,32 @@
+(function(document, $) {
+    'use strict';
+
+    function readhash() {
+	var kv = window.location.hash.substr(1).split('&');
+	for(var i = 0; i < kv.length; i++) {
+	    var p = kv[i].split('=');
+	    var e = $(':input').filter(function(i, e) {
+		return (e.dataset||{}).name === p[0];
+	    });
+	    if (e && e[0]) {
+		e[0].value = decodeURIComponent(p[1].replace(/[+]/g, '%20'));
+		if ('createEvent' in document) {
+		    var ev = document.createEvent('HTMLEvents');
+		    ev.initEvent('input', true, false);
+		    e[0].dispatchEvent(ev);
+		}
+	    }
+	}
+    }
+
+    if ('onhashchange' in window) {
+	$(window).bind('hashchange', readhash);
+    }
+
+    document.addEventListener('readystatechange', function() {
+	if (document.readyState === 'complete') {
+	    readhash();
+	}
+    });
+
+})(document, $);