edouard@2883: // widget_jump.ysl2
Edouard@2779: 
Edouard@2903: function "jump_widget_activity" {
Edouard@2903:     param "hmi_element";
Edouard@2903:         optional_labels("active inactive");
Edouard@2903: }
Edouard@2903: 
edouard@2883: template "widget[@type='Jump']", mode="widget_defs" {
edouard@2883:     param "hmi_element";
Edouard@2903:     const "opts" call "jump_widget_activity" with "hmi_element", "$hmi_element";
Edouard@2903:     const "have_opt","string-length($opts)>0";
Edouard@2903:     value "$opts";
edouard@2883:     |     on_click: function(evt) {
Edouard@2898:     |         const index = this.indexes.length > 0 ? this.indexes[0] + this.offset : undefined;
Edouard@2902:     |         const name = this.args[0];
Edouard@2902:     |         switch_page(name, index);
edouard@2883:     |     },
Edouard@2903:     if "$have_opt" {
Edouard@2903:     |     notify_page_change: function(page_name, index){
Edouard@2903:     |         const ref_index = this.indexes.length > 0 ? this.indexes[0] + this.offset : undefined;
Edouard@2903:     |         const ref_name = this.args[0];
Edouard@2903:     |         if((ref_name == undefined || ref_name == page_name) && index == ref_index) {
Edouard@2903:     |              console.log("active", ref_name, ref_index, page_name, index);
Edouard@2903:     |              /* show active */ 
Edouard@2903:     |              this.active_elt.setAttribute("style", this.active_elt_style);
Edouard@2903:     |              /* hide inactive */ 
Edouard@2903:     |              this.inactive_elt.setAttribute("style", "display:none");
Edouard@2903:     |         } else {
Edouard@2903:     |              console.log("inactive",ref_name, ref_index,  page_name, index);
Edouard@2903:     |              /* show inactive */ 
Edouard@2903:     |              this.inactive_elt.setAttribute("style", this.inactive_elt_style);
Edouard@2903:     |              /* hide active */ 
Edouard@2903:     |              this.active_elt.setAttribute("style", "display:none");
Edouard@2903:     |         }
Edouard@2903:     |     },
Edouard@2903:     }
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['«$hmi_element/@id»'].on_click(evt)");
Edouard@2903:     if "$have_opt" {
Edouard@2903:     |         this.active_elt_style = this.active_elt.getAttribute("style");
Edouard@2903:     |         this.inactive_elt_style = this.inactive_elt.getAttribute("style");
Edouard@2903:     }
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: }