svghmi/widget_foreach.ysl2
author Edouard Tisserant
Mon, 30 Mar 2020 14:26:42 +0200
branchsvghmi
changeset 2906 3b4a1319da09
parent 2897 bf8a39cc65e4
child 2942 b07ad97e6019
permissions -rw-r--r--
SVGHMI: Jump widget, if it has a 'disabled' labeled element, reflects value of the pointed HMITree variable by showing this element when value is False, and behaving normaly otherwise.
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template "widget[@type='ForEach']", mode="widget_defs" {
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    param "hmi_element";
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    const "widgets", "func:refered_elements($forEach_widgets)[not(@id = $forEach_widgets_ids)]";
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    const "class","arg[1]/@value";
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    const "base_path","path/@value";
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    const "hmi_index_base", "$indexed_hmitree/*[@hmipath = $base_path]";
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    const "hmi_tree_base", "$hmitree/descendant-or-self::*[@path = $hmi_index_base/@path]";
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    const "hmi_tree_items", "$hmi_tree_base/*[@class = $class]";
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    const "hmi_index_items", "$indexed_hmitree/*[@path = $hmi_tree_items/@path]"; 
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    const "items_paths", "$hmi_index_items/@hmipath"; 
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    |     index_pool: [
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    foreach "$hmi_index_items" {
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    |       «@index»`if "position()!=last()" > ,`
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    }
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    |     ],
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    |     init: function() {
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    const "prefix","concat($class,':')";
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    const "buttons_regex","concat('^',$prefix,'[+\-][0-9]+')";
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    const "buttons", "$hmi_element/*[regexp:test(@inkscape:label, $buttons_regex)]"; 
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    foreach "$buttons" {
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        const "op","substring-after(@inkscape:label, $prefix)";
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    |         id("«@id»").setAttribute("onclick", "hmi_widgets['«$hmi_element/@id»'].on_click('«$op»', evt)");
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    }
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    |
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    |         this.items = [
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    const "items_regex","concat('^',$prefix,'[0-9]+')";
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    const "unordered_items","$hmi_element//*[regexp:test(@inkscape:label, $items_regex)]";
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    foreach "$unordered_items" {
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        const "elt_label","concat($prefix, string(position()))"; 
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        const "elt","$unordered_items[@inkscape:label = $elt_label]";
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        const "pos","position()";
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        const "item_path", "$items_paths[$pos]";
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    |           [ /* item="«$elt_label»" path="«$item_path»" */
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        if "count($elt)=0" error > Missing item labeled «$elt_label» in ForEach widget «$hmi_element/@id»
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        foreach "func:refered_elements($elt)[@id = $hmi_elements/@id][not(@id = $elt/@id)]" {
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            if "not(func:is_descendant_path(func:widget(@id)/path/@value, $item_path))"
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                error > Widget id="«@id»" label="«@inkscape:label»" is having wrong path. Accroding to ForEach widget ancestor id="«$hmi_element/@id»", path should be descendant of "«$item_path»".
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    |             hmi_widgets["«@id»"]`if "position()!=last()" > ,`
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        }
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    |           ]`if "position()!=last()" > ,`
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    }
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    |         ]
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    |     },
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    |     item_offset: 0,
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    |     on_click: foreach_onclick,
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}
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template "widget[@type='ForEach']", mode="widget_subscribe"{
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    // param "hmi_element";
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    |     sub: foreach_subscribe,
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    |     unsub: foreach_unsubscribe,
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    |     apply_cache: foreach_apply_cache,
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}
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