svghmi/widget_back.ysl2
author Edouard Tisserant
Thu, 08 Dec 2022 11:17:15 +0100
changeset 3704 c17fac18c663
parent 3654 6b7f15089703
permissions -rw-r--r--
ST code generator: when including PLCopen TC6 XML libraries (for example py_ext/pous.xml or NativeLib.xml), also includes libraries globals in result
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// widget_back.ysl2
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75c6a31caca6 SVGHMI: Work In Progress : fixed pointer types in ctypes interface, cleaned up server startup and cleanup code, changed document type to XHTML, cleaner JS script : encapsulated in a function and in CDATA.
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widget_desc("Back") {
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    longdesc
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parents: 3232
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    Back widget brings focus back to previous page in history when clicked.
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Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 3232
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fe945f1f48b7 SVGHMI: WIP on Widget DnD UI : Added documentation to widgets, that is injected in widget parse tree during widget analysis
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 3232
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fe945f1f48b7 SVGHMI: WIP on Widget DnD UI : Added documentation to widgets, that is injected in widget parse tree during widget analysis
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 3232
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    shortdesc > Jump to previous page
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}
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7bdb766c2a4d SVGHMI: In order to allow widget signature and description to coexist in same ysl2 file, introduced widget_class, widget_defs to declare widget codegen templates and gen_index_xhtml to mark templates that are only usefull in gen_index_xhtml.xslt.
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widget_class("Back")
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        on_click(evt) {
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            if(jump_history.length > 1){
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               let page_name, index;
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               do {
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                   jump_history.pop(); // forget current page
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                   if(jump_history.length == 0) return;
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                   [page_name, index] = jump_history[jump_history.length-1];
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               } while(page_name == "ScreenSaver") // never go back to ScreenSaver
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               switch_page(page_name, index);
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            }
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        }
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        init() {
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            this.element.onclick = this.on_click.bind(this);
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        }
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