SVGHMI: add "unsubscribable" property to widgets in order to generalize what already happens for jump buttons.
In most cases jump buttons do not really subscribe to pointed HMI variable, path is given as a relative page jump path. When widget.unsubscribable is set to true, no subscription is made on page switch, but still offset is updated.
This fixes bug happening on relative jump buttons without "disabled" element where offset did not change on relative page switch.
// detachable_pages.ysl2
//
// compute what elements are required by pages
// and decide where to cut when removing/attaching
// pages elements on page switch
const "hmi_pages_descs", "$parsed_widgets/widget[@type = 'Page']";
const "hmi_pages", "$hmi_elements[@id = $hmi_pages_descs/@id]";
const "default_page" choose {
when "count($hmi_pages) > 1" {
choose {
when "$hmi_pages_descs/arg[1]/@value = 'Home'" > Home
otherwise {
error "No Home page defined!";
}
}
}
when "count($hmi_pages) = 0" {
error "No page defined!";
}
otherwise > «func:widget($hmi_pages/@id)/arg[1]/@value»
}
emit "preamble:default-page" {
|
| var default_page = "«$default_page»";
}
const "keypads_descs", "$parsed_widgets/widget[@type = 'Keypad']";
const "keypads", "$hmi_elements[@id = $keypads_descs/@id]";
// returns all directly or indirectly refered elements
def "func:refered_elements" {
param "elems";
const "descend", "$elems/descendant-or-self::svg:*";
const "clones", "$descend[self::svg:use]";
const "originals", "//svg:*[concat('#',@id) = $clones/@xlink:href]";
choose {
when "$originals"
result "$descend | func:refered_elements($originals)";
otherwise
result "$descend";
}
}
def "func:all_related_elements" {
param "page";
const "page_overlapping_geometry", "func:overlapping_geometry($page)";
const "page_overlapping_elements", "//svg:*[@id = $page_overlapping_geometry/@Id]";
const "page_sub_elements", "func:refered_elements($page | $page_overlapping_elements)";
result "$page_sub_elements";
}
def "func:required_elements" {
param "pages";
choose{
when "$pages"{
result """func:all_related_elements($pages[1])
| func:required_elements($pages[position()!=1])""";
}otherwise{
result "/..";
}
}
}
const "required_elements",
"""//svg:defs/descendant-or-self::svg:*
| func:required_elements($hmi_pages | $keypads)/ancestor-or-self::svg:*""";
const "discardable_elements", "//svg:*[not(@id = $required_elements/@id)]";
def "func:sumarized_elements" {
param "elements";
const "short_list", "$elements[not(ancestor::*/@id = $elements/@id)]";
const "filled_groups", """$short_list/parent::svg:*[
not(descendant::*[
not(self::svg:g) and
not(@id = $discardable_elements/@id) and
not(@id = $short_list/descendant-or-self::*[not(self::svg:g)]/@id)
])]""";
const "groups_to_add", "$filled_groups[not(ancestor::*/@id = $filled_groups/@id)]";
result "$groups_to_add | $short_list[not(ancestor::svg:g/@id = $filled_groups/@id)]";
}
def "func:detachable_elements" {
param "pages";
choose{
when "$pages"{
result """func:sumarized_elements(func:all_related_elements($pages[1]))
| func:detachable_elements($pages[position()!=1])""";
}otherwise{
result "/..";
}
}
}
// Avoid nested detachables
const "_detachable_elements", "func:detachable_elements($hmi_pages | $keypads)";
const "detachable_elements", "$_detachable_elements[not(ancestor::*/@id = $_detachable_elements/@id)]";
emit "declarations:detachable-elements" {
|
| var detachable_elements = {
foreach "$detachable_elements"{
| "«@id»":[id("«@id»"), id("«../@id»")]`if "position()!=last()" > ,`
}
| }
}
const "forEach_widgets_ids", "$parsed_widgets/widget[@type = 'ForEach']/@id";
const "forEach_widgets", "$hmi_elements[@id = $forEach_widgets_ids]";
const "in_forEach_widget_ids", "func:refered_elements($forEach_widgets)[not(@id = $forEach_widgets_ids)]/@id";
template "svg:*", mode="page_desc" {
const "desc", "func:widget(@id)";
const "page", ".";
const "p", "$geometry[@Id = $page/@id]";
const "page_all_elements", "func:all_related_elements($page)";
const "all_page_widgets","$hmi_elements[@id = $page_all_elements/@id and @id != $page/@id]";
const "page_managed_widgets","$all_page_widgets[not(@id=$in_forEach_widget_ids)]";
const "page_relative_widgets",
"$page_managed_widgets[func:is_descendant_path(func:widget(@id)/path/@value, $desc/path/@value)]";
// Take closest ancestor in detachable_elements
// since nested detachable elements are filtered out
const "required_detachables",
"""func:sumarized_elements($page_all_elements)/
ancestor-or-self::*[@id = $detachable_elements/@id]""";
| "«$desc/arg[1]/@value»": {
//| widget: hmi_widgets["«@id»"],
| bbox: [«$p/@x», «$p/@y», «$p/@w», «$p/@h»],
if "$desc/path/@value" {
if "count($desc/path/@index)=0"
warning > Page id="«$page/@id»" : No match for path "«$desc/path/@value»" in HMI tree
| page_index: «$desc/path/@index»,
}
| relative_widgets: [
foreach "$page_relative_widgets" {
| hmi_widgets["«@id»"]`if "position()!=last()" > ,`
}
| ],
| absolute_widgets: [
foreach "$page_managed_widgets[not(@id = $page_relative_widgets/@id)]" {
| hmi_widgets["«@id»"]`if "position()!=last()" > ,`
}
| ],
| jumps: [
foreach "$parsed_widgets/widget[@id = $all_page_widgets/@id and @type='Jump']" {
const "_id","@id";
const "opts" call "jump_widget_activity" with "hmi_element", "$hmi_elements[@id=$_id]";
if "string-length($opts)>0"
| hmi_widgets["«@id»"]`if "position()!=last()" > ,`
}
| ],
| required_detachables: {
foreach "$required_detachables" {
| "«@id»": detachable_elements["«@id»"]`if "position()!=last()" > ,`
}
| }
/* TODO generate some code for init() instead */
apply "$parsed_widgets/widget[@id = $all_page_widgets/@id]", mode="per_page_widget_template"{
with "page_desc", "$desc";
}
| }`if "position()!=last()" > ,`
}
emit "declarations:page-desc" {
|
| var page_desc = {
apply "$hmi_pages", mode="page_desc";
| }
}
template "*", mode="per_page_widget_template";
emit "debug:detachable-pages" {
|
| DETACHABLES:
foreach "$detachable_elements"{
| «@id»
}
| In Foreach:
foreach "$in_forEach_widget_ids"{
| «.»
}
}