svghmi/widget_listswitch.ysl2
author Edouard Tisserant
Wed, 31 Aug 2022 12:16:09 +0200
changeset 3595 375626e60b63
parent 3403 4a048b5b9e3b
permissions -rw-r--r--
SVGHMI: rework Jump widget to cope with Enable Expressions.

Relative jumps are not disabled implicitely anymore when pointed HMI_NODE is 0.
Also, "activable()" implementation was enhanced to make it optional.
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// widget_switch.ysl2
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widget_desc("ListSwitch") {
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    longdesc
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    ||
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    ListSwitch widget displays one item of an HMI:List depending on value of
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    given variable. Main element of the widget must be a clone of the list or
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    of an item of that list.  
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    Given variable's current value is compared to list items
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    label. For exemple if given variable type
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    is HMI_INT and value is 1, then item with label '1' will be displayed.
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    If matching variable of type HMI_STRING, then no quotes are needed. 
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    For exemple, 'hello' match HMI_STRING 'hello'.
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    ||
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    shortdesc > Displays item of an HMI:List whose label matches value.
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    path name="value" accepts="HMI_INT,HMI_STRING" > value to compare to labels
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}
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widget_class("ListSwitch"){
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    ||
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        frequency = 5;
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    ||
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}
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widget_defs("ListSwitch") {
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    // cloned element must be part of a HMI:List or a HMI:List
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    const "targetid", "substring-after($hmi_element/@xlink:href,'#')";
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    const "from_list", "$hmi_lists[(@id | */@id) = $targetid]";
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    ||
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        dispatch: function(value) {
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            this.element.href.baseVal = "#"+hmi_widgets["«$from_list/@id»"].items[value];
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        },
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    ||
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}