edouard@2891: 
edouard@2891: template "widget[@type='ForEach']", mode="widget_defs" {
edouard@2891:     param "hmi_element";
edouard@2892:     const "widgets", "func:refered_elements($forEach_widgets)[not(@id = $forEach_widgets_ids)]";
edouard@2894: 
edouard@2894:     const "class","arg[1]/@value";
edouard@2894: 
edouard@2894:     const "base_path","path/@value";
edouard@2894:     const "hmi_index_base", "$indexed_hmitree/*[@hmipath = $base_path]";
edouard@2894:     const "hmi_tree_base", "$hmitree/descendant-or-self::*[@path = $hmi_index_base/@path]";
edouard@2894:     const "hmi_tree_items", "$hmi_tree_base/*[@class = $class]";
edouard@2894:     const "hmi_index_items", "$indexed_hmitree/*[@path = $hmi_tree_items/@path]"; 
edouard@2894:     const "items_paths", "$hmi_index_items/@hmipath"; 
Edouard@2893:     |     index_pool: [
edouard@2894:     foreach "$hmi_index_items" {
edouard@2894:     |       «@index»`if "position()!=last()" > ,`
edouard@2894:     }
Edouard@2893:     |     ],
edouard@2896:     |     init: function() {
Edouard@2893:     const "prefix","concat($class,':')";
Edouard@2893:     const "buttons_regex","concat('^',$prefix,'[+\-][0-9]+')";
edouard@2896:     const "buttons", "$hmi_element/*[regexp:test(@inkscape:label, $buttons_regex)]"; 
edouard@2896:     foreach "$buttons" {
edouard@2896:         const "op","substring-after(@inkscape:label, $prefix)";
edouard@2896:     |         id("«@id»").setAttribute("onclick", "hmi_widgets['«$hmi_element/@id»'].on_click('«$op»', evt)");
Edouard@2893:     }
edouard@2896:     |
Edouard@2895:     |         this.items = [
Edouard@2893:     const "items_regex","concat('^',$prefix,'[0-9]+')";
Edouard@2893:     const "unordered_items","$hmi_element//*[regexp:test(@inkscape:label, $items_regex)]";
Edouard@2893:     foreach "$unordered_items" {
Edouard@2893:         const "elt_label","concat($prefix, string(position()))"; 
Edouard@2893:         const "elt","$unordered_items[@inkscape:label = $elt_label]";
edouard@2894:         const "pos","position()";
edouard@2894:         const "item_path", "$items_paths[$pos]";
Edouard@2895:     |           [ /* item="«$elt_label»" path="«$item_path»" */
Edouard@2893:         if "count($elt)=0" error > Missing item labeled «$elt_label» in ForEach widget «$hmi_element/@id»
Edouard@2893:         foreach "func:refered_elements($elt)[@id = $hmi_elements/@id][not(@id = $elt/@id)]" {
edouard@2894:             if "not(func:is_descendant_path(func:widget(@id)/path/@value, $item_path))"
edouard@2896:                 error > Widget id="«@id»" label="«@inkscape:label»" is having wrong path. Accroding to ForEach widget ancestor id="«$hmi_element/@id»", path should be descendant of "«$item_path»".
Edouard@2895:     |             hmi_widgets["«@id»"]`if "position()!=last()" > ,`
edouard@2892:         }
Edouard@2895:     |           ]`if "position()!=last()" > ,`
edouard@2892:     }
Edouard@2895:     |         ]
Edouard@2895:     |     },
Edouard@2895:     |     item_offset: 0,
Edouard@2897:     |     on_click: foreach_onclick,
edouard@2891: }
edouard@2891: 
edouard@2891: template "widget[@type='ForEach']", mode="widget_subscribe"{
edouard@2891:     // param "hmi_element";
Edouard@2897:     |     sub: foreach_subscribe,
Edouard@2897:     |     unsub: foreach_unsubscribe,
Edouard@2897:     |     apply_cache: foreach_apply_cache,
Edouard@2897: }
edouard@2891: