SVGHMI: HMI:VarInit:"a string"@a_value : empty widget (i.e. empty svg:group) that initialize content of local variables to value given as first argument.
--- a/svghmi/gen_index_xhtml.xslt Wed Aug 12 15:24:02 2020 +0200
+++ b/svghmi/gen_index_xhtml.xslt Thu Aug 13 11:30:18 2020 +0200
@@ -875,7 +875,7 @@
</xsl:when>
<xsl:when test="@type = 'PAGE_LOCAL'">
<xsl:text>"</xsl:text>
- <xsl:value-of select="substring(@value, 1)"/>
+ <xsl:value-of select="@value"/>
<xsl:text>"</xsl:text>
<xsl:if test="position()!=last()">
<xsl:text>,</xsl:text>
@@ -976,9 +976,10 @@
<xsl:text> only applies to HMI variable.</xsl:text>
</xsl:message>
</xsl:if>
- <xsl:value-of select="arg[0]"/>
- <xsl:text>:</xsl:text>
+ <xsl:text>"</xsl:text>
<xsl:value-of select="path/@value"/>
+ <xsl:text>":</xsl:text>
+ <xsl:value-of select="arg[1]/@value"/>
<xsl:if test="position()!=last()">
<xsl:text>,</xsl:text>
</xsl:if>
@@ -1021,6 +1022,14 @@
</xsl:text>
<xsl:text> }
</xsl:text>
+ <xsl:text> let defaultval = local_defaults[varname];
+</xsl:text>
+ <xsl:text> console.log("page_local_index creat local", varname, pagename, new_index, defaultval);
+</xsl:text>
+ <xsl:text> if(defaultval != undefined)
+</xsl:text>
+ <xsl:text> cache[new_index] = defaultval;
+</xsl:text>
<xsl:text> return new_index;
</xsl:text>
<xsl:text>}
@@ -1132,7 +1141,11 @@
</xsl:text>
<xsl:text> apply_cache() {
</xsl:text>
- <xsl:text> if(!this.unsubscribable) for(let index of this.indexes){
+ <xsl:text> let dispatch = this.dispatch;
+</xsl:text>
+ <xsl:text> if(dispatch == undefined) return;
+</xsl:text>
+ <xsl:text> if(!this.unsubscribable) for(let index in this.indexes){
</xsl:text>
<xsl:text> /* dispatch current cache in newly opened page widgets */
</xsl:text>
@@ -1142,7 +1155,15 @@
</xsl:text>
<xsl:text> if(cached_val != undefined)
</xsl:text>
- <xsl:text> this.new_hmi_value(realindex, cached_val, cached_val);
+ <xsl:text> try {
+</xsl:text>
+ <xsl:text> dispatch.call(this, cached_val, cached_val, index);
+</xsl:text>
+ <xsl:text> } catch(err) {
+</xsl:text>
+ <xsl:text> console.log(err);
+</xsl:text>
+ <xsl:text> }
</xsl:text>
<xsl:text> }
</xsl:text>
@@ -1190,50 +1211,34 @@
</xsl:text>
<xsl:text> new_hmi_value(index, value, oldval) {
</xsl:text>
- <xsl:text> try {
-</xsl:text>
- <xsl:text> // TODO avoid searching, store index at sub()
-</xsl:text>
- <xsl:text> for(let i = 0; i < this.indexes.length; i++) {
-</xsl:text>
- <xsl:text> let refindex = this.get_variable_index(i);
-</xsl:text>
- <xsl:text>
-</xsl:text>
- <xsl:text> if(index == refindex) {
-</xsl:text>
- <xsl:text> let d = this.dispatch;
-</xsl:text>
- <xsl:text> if(typeof(d) == "function"){
-</xsl:text>
- <xsl:text> d.call(this, value, oldval, i);
-</xsl:text>
- <xsl:text> }
-</xsl:text>
- <xsl:text> else if(typeof(d) == "object"){
-</xsl:text>
- <xsl:text> d[i].call(this, value, oldval);
-</xsl:text>
- <xsl:text> }
-</xsl:text>
- <xsl:text> /* else dispatch_0, ..., dispatch_n ? */
-</xsl:text>
- <xsl:text> /*else {
-</xsl:text>
- <xsl:text> throw new Error("Dunno how to dispatch to widget at index = " + index);
-</xsl:text>
- <xsl:text> }*/
-</xsl:text>
- <xsl:text> break;
+ <xsl:text> // TODO avoid searching, store index at sub()
+</xsl:text>
+ <xsl:text> let dispatch = this.dispatch;
+</xsl:text>
+ <xsl:text> if(dispatch == undefined) return;
+</xsl:text>
+ <xsl:text> for(let i = 0; i < this.indexes.length; i++) {
+</xsl:text>
+ <xsl:text> let refindex = this.get_variable_index(i);
+</xsl:text>
+ <xsl:text>
+</xsl:text>
+ <xsl:text> if(index == refindex) {
+</xsl:text>
+ <xsl:text> try {
+</xsl:text>
+ <xsl:text> dispatch.call(this, value, oldval, i);
+</xsl:text>
+ <xsl:text> } catch(err) {
+</xsl:text>
+ <xsl:text> console.log(err);
</xsl:text>
<xsl:text> }
</xsl:text>
+ <xsl:text> break;
+</xsl:text>
<xsl:text> }
</xsl:text>
- <xsl:text> } catch(err) {
-</xsl:text>
- <xsl:text> console.log(err);
-</xsl:text>
<xsl:text> }
</xsl:text>
<xsl:text> }--- a/svghmi/widgets_common.ysl2 Wed Aug 12 15:24:02 2020 +0200
+++ b/svghmi/widgets_common.ysl2 Thu Aug 13 11:30:18 2020 +0200
@@ -32,7 +32,7 @@
when "not(@type)"
error > Widget «$widget/@type» id="«$eltid»" : No match for path "«@value»" in HMI tree
when "@type = 'PAGE_LOCAL'"
- > "«substring(@value, 1)»"`if "position()!=last()" > ,`
+ > "«@value»"`if "position()!=last()" > ,`
when "@type = 'HMI_LOCAL'"
> hmi_local_index("«@value»")`if "position()!=last()" > ,`
}
@@ -75,6 +75,15 @@
var last_remote_index = hmitree_types.length - 1;
var next_available_index = hmitree_types.length;
+ const local_defaults = {
+ ||
+ foreach "$parsed_widgets/widget[@type = 'VarInit']"{
+ if "count(path) != 1" error > VarInit «@id» must have only one variable given.
+ if "path/@type != 'PAGE_LOCAL' and path/@type != 'HMI_LOCAL'" error > VarInit «@id» only applies to HMI variable.
+ | "«path/@value»":«arg[1]/@value»`if "position()!=last()" > ,`
+ }
+ ||
+ };
var cache = hmitree_types.map(_ignored => undefined);
function page_local_index(varname, pagename){
@@ -92,6 +101,9 @@
new_index = next_available_index++;
pagevars[varname] = new_index;
}
+ let defaultval = local_defaults[varname];
+ if(defaultval != undefined)
+ cache[new_index] = defaultval;
return new_index;
}
@@ -146,12 +158,18 @@
}
apply_cache() {
- if(!this.unsubscribable) for(let index of this.indexes){
+ let dispatch = this.dispatch;
+ if(dispatch == undefined) return;
+ if(!this.unsubscribable) for(let index in this.indexes){
/* dispatch current cache in newly opened page widgets */
let realindex = this.get_variable_index(index);
let cached_val = cache[realindex];
if(cached_val != undefined)
- this.new_hmi_value(realindex, cached_val, cached_val);
+ try {
+ dispatch.call(this, cached_val, cached_val, index);
+ } catch(err) {
+ console.log(err);
+ }
}
}
@@ -175,28 +193,20 @@
}
new_hmi_value(index, value, oldval) {
- try {
- // TODO avoid searching, store index at sub()
- for(let i = 0; i < this.indexes.length; i++) {
- let refindex = this.get_variable_index(i);
-
- if(index == refindex) {
- let d = this.dispatch;
- if(typeof(d) == "function"){
- d.call(this, value, oldval, i);
- }
- else if(typeof(d) == "object"){
- d[i].call(this, value, oldval);
- }
- /* else dispatch_0, ..., dispatch_n ? */
- /*else {
- throw new Error("Dunno how to dispatch to widget at index = " + index);
- }*/
- break;
+ // TODO avoid searching, store index at sub()
+ let dispatch = this.dispatch;
+ if(dispatch == undefined) return;
+ for(let i = 0; i < this.indexes.length; i++) {
+ let refindex = this.get_variable_index(i);
+
+ if(index == refindex) {
+ try {
+ dispatch.call(this, value, oldval, i);
+ } catch(err) {
+ console.log(err);
}
- }
- } catch(err) {
- console.log(err);
+ break;
+ }
}
}
--- a/tests/svghmi/svghmi_0@svghmi/svghmi.svg Wed Aug 12 15:24:02 2020 +0200
+++ b/tests/svghmi/svghmi_0@svghmi/svghmi.svg Thu Aug 13 11:30:18 2020 +0200
@@ -182,12 +182,12 @@
inkscape:pageopacity="0"
inkscape:pageshadow="2"
inkscape:document-units="px"
- inkscape:current-layer="g5231"
+ inkscape:current-layer="hmi0"
showgrid="false"
units="px"
- inkscape:zoom="0.35355339"
- inkscape:cx="228.48319"
- inkscape:cy="161.32426"
+ inkscape:zoom="0.25"
+ inkscape:cx="840.93557"
+ inkscape:cy="117.51363"
inkscape:window-width="1800"
inkscape:window-height="836"
inkscape:window-x="0"
@@ -5722,8 +5722,11 @@
id="tspan1611-1">PAGE_LOCAL variables</tspan></text>
<g
id="g2387"
- inkscape:label="HMI:VariableInit:42@level" />
+ inkscape:label="HMI:VarInit:42@level" />
<g
- inkscape:label="HMI:VariableInit:"a string"@paff"
+ inkscape:label="HMI:VarInit:"a string"@paff"
id="g2389" />
+ <g
+ id="g825"
+ inkscape:label="HMI:VarInit:"a page string"@.piff" />
</svg>
