--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svghmi/widget_jump.ysl2	Wed Mar 18 09:16:14 2020 +0100
@@ -0,0 +1,16 @@
+// widget_jump.ysl2
+
+template "widget[@type='Jump']", mode="widget_defs" {
+    param "hmi_element";
+    |     on_click: function(evt) {
+    |         switch_page(this.args[0], this.indexes[0]);
+    |     },
+    |     init: function() {
+    /* registering event this way doies not "click" through svg:use 
+    |     this.element.onclick = evt => switch_page(this.args[0]);
+    event must be registered by adding attribute to element instead
+    TODO : generalize mouse event handling by global event capture + getElementsAtPoint()
+    */
+    |         this.element.setAttribute("onclick", "hmi_widgets['«$hmi_element/@id»'].on_click(evt)");
+    |     },
+}