svghmi/widget_switch.ysl2
author Edouard Tisserant <edouard.tisserant@gmail.com>
Wed, 30 Jun 2021 15:51:59 +0200
branchsvghmi
changeset 3267 5f20f391ae31
parent 3241 fe945f1f48b7
child 3386 608f48ad3dfc
permissions -rw-r--r--
SVGHMI: Prepare accepting multiple clients on multiple HMI: Use POULibrary new capability to add variables to PLC Configuration. Now heartbeat and HMI tree root are added by the library part of SVGHMI, and not by each instance.
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8e3d130399b0 SVGHMI: created widget_*.ysl2. Renamed widget_common in widgets_common, so that it doesn't match globing.
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// widget_switch.ysl2
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widget_desc("Switch") {
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    longdesc
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    ||
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    Switch widget hides all subelements whose label do not match given
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    variable current value representation. For exemple if given variable type
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parents: 3232
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    is HMI_INT and value is 1, then elements with label '1' will be displayed.
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    Label can have comments, so '1#some comment' would also match. If matching
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    variable of type HMI_STRING, then double quotes must be used. For exemple,
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    '"hello"' or '"hello"#another comment' match HMI_STRING 'hello'.
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    ||
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    shortdesc > Show elements whose label match value.
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    // TODO: add optional format/precision argument to support floating points
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    // TODO: support (in)equations and ranges
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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("Switch")
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    ||
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        frequency = 5;
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        dispatch(value) {
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            for(let choice of this.choices){
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                if(value != choice.value){
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                    choice.elt.setAttribute("style", "display:none");
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                } else {
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                    choice.elt.setAttribute("style", choice.style);
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                }
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            }
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        }
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    ||
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parents: 3220
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widget_defs("Switch") {
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8e3d130399b0 SVGHMI: created widget_*.ysl2. Renamed widget_common in widgets_common, so that it doesn't match globing.
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parents: 2882
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    |     choices: [
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1695122a5e16 SVGHMI: HMI:Switch now accepts boolean values 'true' and 'false'
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    const "regex",!"'^(\"[^\"].*\"|\-?[0-9]+|false|true)(#.*)?$'"!;
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ec365ef396b1 SVGHMI: Ensure that when widgets are nested in HMI:Switch widget, their sub-elements are taken as switch's choice in case their label match the syntax.
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    const "subelts", "$result_widgets[@id = $hmi_element/@id]//*";
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    const "subwidgets", "$subelts//*[@id = $hmi_widgets/@id]";
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    const "accepted", "$subelts[not(ancestor-or-self::*/@id = $subwidgets/@id)]";
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ec365ef396b1 SVGHMI: Ensure that when widgets are nested in HMI:Switch widget, their sub-elements are taken as switch's choice in case their label match the syntax.
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    foreach "$accepted[regexp:test(@inkscape:label,$regex)]" {
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        const "literal", "regexp:match(@inkscape:label,$regex)[2]";
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parents: 2882
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    |         {
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    |             elt:id("«@id»"),
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                  // TODO : use style.display = "none" to hide element
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    |             style:"«@style»",
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parents: 2882
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    |             value:«$literal»
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    |         }`if "position()!=last()" > ,`
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    }
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    |     ],
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}