svghmi/widget_jump.ysl2
author Edouard Tisserant
Tue, 02 Feb 2021 11:17:03 +0100
branchsvghmi
changeset 3122 229795c03e11
parent 3107 ee0704cc6dc8
child 3232 7bdb766c2a4d
child 3240 5f756332ada1
permissions -rw-r--r--
SVGHMI: make a copy of tests/svghmi as test/svghmi_widget because too crowded since having pages for widget documentation. Strip those pages from tests/svghmi, so that it
is more light for regular testing.
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// widget_jump.ysl2
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template "widget[@type='Jump']", mode="widget_class"{
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||
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    class JumpWidget extends Widget{
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        activable = false;
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        active = false;
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        disabled = false;
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        frequency = 2;
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        update_activity() {
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            if(this.active) {
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                 /* show active */ 
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                 this.active_elt.setAttribute("style", this.active_elt_style);
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                 /* hide inactive */ 
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                 this.inactive_elt.setAttribute("style", "display:none");
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            } else {
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parents: 3081
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                 /* show inactive */ 
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                 this.inactive_elt.setAttribute("style", this.inactive_elt_style);
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parents: 3081
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                 /* hide active */ 
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                 this.active_elt.setAttribute("style", "display:none");
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            }
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        }
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        make_on_click() {
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            let that = this;
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            const name = this.args[0];
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            return function(evt){
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                /* TODO: suport path pointing to local variable whom value 
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                   would be an HMI_TREE index to jump to a relative page */
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                const index = that.indexes.length > 0 ? that.indexes[0] + that.offset : undefined;
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                switch_page(name, index);
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            }
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        }
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        notify_page_change(page_name, index) {
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            if(this.activable) {
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                const ref_index = this.indexes.length > 0 ? this.indexes[0] + this.offset : undefined;
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                const ref_name = this.args[0];
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                this.active = ((ref_name == undefined || ref_name == page_name) && index == ref_index);
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                this.update_activity();
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            }
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        }
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        dispatch(value) {
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            this.disabled = !Number(value);
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            if(this.disabled) {
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              /* show disabled */ 
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              this.disabled_elt.setAttribute("style", this.disabled_elt_style);
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              /* hide inactive */ 
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              this.inactive_elt.setAttribute("style", "display:none");
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              /* hide active */ 
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              this.active_elt.setAttribute("style", "display:none");
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            } else {
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              /* hide disabled */ 
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              this.disabled_elt.setAttribute("style", "display:none");
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              this.update_activity();
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            }
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        }
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    }
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||
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}
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template "widget[@type='Jump']", mode="widget_defs" {
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    param "hmi_element";
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    const "activity" optional_labels("active inactive");
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    const "have_activity","string-length($activity)>0";
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    value "$activity";
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    const "disability" optional_labels("disabled");
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    const "have_disability","$have_activity and string-length($disability)>0";
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    value "$disability";
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    |     init: function() {
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    |         this.element.onclick = this.make_on_click();
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    if "$have_activity" {
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    |         this.active_elt_style = this.active_elt.getAttribute("style");
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    |         this.inactive_elt_style = this.inactive_elt.getAttribute("style");
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    |         this.activable = true;
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    }
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    choose {
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        when "$have_disability" {
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    |         this.disabled_elt_style = this.disabled_elt.getAttribute("style");
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        }
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        otherwise {
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    |         this.unsubscribable = true;
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        }
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    }
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    |     },
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}
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template "widget[@type='Jump']", mode="per_page_widget_template"{
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    param "page_desc";
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    /* check that given path is compatible with page's reference path */
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    if "path" {
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        /* TODO: suport local variable containing an HMI_TREE index to jump to a relative page */
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        /* when no page name provided, check for same page */
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        const "target_page_name" choose {
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            when "arg" value "arg[1]/@value";
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            otherwise value "$page_desc/arg[1]/@value";
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        }
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        const "target_page_path" choose {
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            when "arg" value "$hmi_pages_descs[arg[1]/@value = $target_page_name]/path[1]/@value";
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            otherwise value "$page_desc/path[1]/@value";
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        }
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        if "not(func:same_class_paths($target_page_path, path[1]/@value))"
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            error > Jump id="«@id»" to page "«$target_page_name»" with incompatible path "«path[1]/@value» (must be same class as "«$target_page_path»")
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    }
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}
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emit "declarations:jump"
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||
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var jumps_need_update = false;
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var jump_history = [[default_page, undefined]];
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function update_jumps() {
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    page_desc[current_visible_page].jumps.map(w=>w.notify_page_change(current_visible_page,current_page_index));
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    jumps_need_update = false;
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};
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||
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