1 files changed, 24 insertions, 0 deletions
diff --git a/themes/alps/assets/helpers.js b/themes/alps/assets/helpers.js
new file mode 100644
index 0000000..344dd17
--- /dev/null
+++ b/themes/alps/assets/helpers.js
@@ -0,0 +1,24 @@
+(function() {
+	var sheet = document.styleSheets[0];
+	var addCSSRule = function(selector, rules, index) {
+		if ("insertRule" in sheet) {
+			sheet.insertRule(selector + "{" + rules + "}", index);
+			return;
+		}
+		if ("addRule" in sheet) {
+			sheet.addRule(selector, rules, index);
+		}
+	};
+
+	var checkboxAll = document.getElementById("action-checkbox-all");
+	if (checkboxAll) {
+		addCSSRule(".message-list-checkbox", "display: table-cell !important;");
+		checkboxAll.addEventListener("click", function(ev) {
+			var allChecked = this.checked;
+			var inputs = document.querySelectorAll("tr .message-list-checkbox input");
+			Array.prototype.slice.apply().forEach(function(cb) {
+				cb.checked = allChecked;
+			});
+		});
+	}
+})();