SVGHMI: Easier way to match HMI tree elements to paths. ForEach widget now looks for paths and indexes of all items, and enforce path to be consistent with ForEach items sub widgets
// 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($hmi_pages/@id)/arg[1]/@value»
}
// returns all directly or indirectly refered elements
def "func:refered_elements" {
param "elems";
const "descend", "$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)/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($hmi_pages)";
const "detachable_elements", "$_detachable_elements[not(ancestor::*/@id = $_detachable_elements/@id)]";
const "forEach_widgets_ids", "$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 != $page/@id and not(@id=$in_forEach_widget_ids)]";
const "page_relative_widgets",
"$all_page_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 "$all_page_widgets[not(@id = $page_relative_widgets/@id)]" {
| hmi_widgets["«@id»"]`if "position()!=last()" > ,`
}
| ],
| required_detachables: {
foreach "$required_detachables" {
| "«@id»": detachable_elements["«@id»"]`if "position()!=last()" > ,`
}
| }
| }`if "position()!=last()" > ,`
}
function "debug_detachables" {
| DETACHABLES:
foreach "$detachable_elements"{
| «@id»
}
| In Foreach:
foreach "$in_forEach_widget_ids"{
| «.»
}
}
!debug_output_calls.append("debug_detachables")