edouard@2883: // widget_jump.ysl2
Edouard@2779: 
edouard@2883: template "widget[@type='Jump']", mode="widget_defs" {
edouard@2883:     param "hmi_element";
Edouard@2900: 
edouard@2883:     |     on_click: function(evt) {
Edouard@2898:     |         const index = this.indexes.length > 0 ? this.indexes[0] + this.offset : undefined;
Edouard@2898:     |         switch_page(this.args[0], index);
edouard@2883:     |     },
edouard@2883:     |     init: function() {
Edouard@2901:     /* registering event this way does not "click" through svg:use 
edouard@2883:     |     this.element.onclick = evt => switch_page(this.args[0]);
edouard@2883:     event must be registered by adding attribute to element instead
edouard@2883:     TODO : generalize mouse event handling by global event capture + getElementsAtPoint()
edouard@2883:     */
edouard@2883:     |         this.element.setAttribute("onclick", "hmi_widgets['«$hmi_element/@id»'].on_click(evt)");
edouard@2883:     |     },
Edouard@2753: }
Edouard@2901: 
Edouard@2901: template "widget[@type='Jump']", mode="per_page_widget_template"{
Edouard@2901:     param "page_desc";
Edouard@2901:     /* check that given path is compatible with page's reference path */
Edouard@2901:     if "path" {
Edouard@2901:         /* when no page name provided, check for same page */
Edouard@2901:         const "target_page_name" choose {
Edouard@2901:             when "arg" value "arg[1]/@value";
Edouard@2901:             otherwise value "$page_desc/arg[1]/@value";
Edouard@2901:         }
Edouard@2901:         const "target_page_path" choose {
Edouard@2901:             when "arg" value "$hmi_pages_descs[arg[1]/@value = $target_page_name]/path[1]/@value";
Edouard@2901:             otherwise value "$page_desc/path[1]/@value";
Edouard@2901:         }
Edouard@2901: 
Edouard@2901:         if "not(func:same_class_paths($target_page_path, path[1]/@value))"
Edouard@2901:             error > Jump id="«@id»" to page "«$target_page_name»" with incompatible path "«path[1]/@value» (must be same class as "«$target_page_path»")
Edouard@2901:     }
Edouard@2901: }