SVGHMI: Add inhibition to widget's apply_hmi_value() so that it does not change variable more frquently than given widget's frequency. This prevents flooding network with many update if browser is producing events at high rate, as for exemple when dragging ScrollBar's cursor.
// 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_widgets[@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" {
if "ancestor::*[@id = $hmi_pages/@id]" error > HMI:Page «@id» is nested in another HMI:Page
const "desc", "func:widget(@id)";
const "page", ".";
const "p", "$geometry[@Id = $page/@id]";
const "page_all_elements", "func:all_related_elements($page)";
const "all_page_widgets","$hmi_widgets[@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: «$desc/path/@index»,
}
| widgets: [
foreach "$page_managed_widgets" {
const "widget_paths_relativeness"
foreach "func:widget(@id)/path" {
value "func:is_descendant_path(@value, $desc/path/@value)";
if "position()!=last()" > ,
}
| [hmi_widgets["«@id»"], [«$widget_paths_relativeness»]]`if "position()!=last()" > ,`
}
| ],
| jumps: [
foreach "$parsed_widgets/widget[@id = $all_page_widgets/@id and @type='Jump']" {
| hmi_widgets["«@id»"]`if "position()!=last()" > ,`
}
| ],
| required_detachables: {
foreach "$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 "definitions: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"{
| «.»
}
}