SVGHMI: Add analyse_widget stylesheet and python code to execute it, in order to obtain widget signature independently of DnD SVG file generation.
--- a/svghmi/Makefile Sun May 02 23:43:57 2021 +0200
+++ b/svghmi/Makefile Mon May 03 00:04:08 2021 +0200
@@ -11,7 +11,7 @@
yml2path ?= $(abspath ../../yml2)
-ysl2files := gen_index_xhtml.ysl2 gen_dnd_widget_svg.ysl2
+ysl2files := gen_index_xhtml.ysl2 gen_dnd_widget_svg.ysl2 analyse_widget.ysl2
ysl2includes := $(filter-out $(ysl2files), $(wildcard *.ysl2))
xsltfiles := $(patsubst %.ysl2, %.xslt, $(ysl2files))
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/svghmi/analyse_widget.xslt Mon May 03 00:04:08 2021 +0200
@@ -0,0 +1,153 @@
+<?xml version="1.0"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:exsl="http://exslt.org/common" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:str="http://exslt.org/strings" xmlns:func="http://exslt.org/functions" xmlns:svg="http://www.w3.org/2000/svg" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" version="1.0" extension-element-prefixes="ns func exsl regexp str dyn" exclude-result-prefixes="ns func exsl regexp str dyn svg inkscape">
+ <xsl:output method="xml"/>
+ <xsl:variable name="indexed_hmitree" select="/.."/>
+ <xsl:variable name="pathregex" select="'^([^\[,]+)(\[[^\]]+\])?([\d,]*)$'"/>
+ <xsl:template mode="parselabel" match="*">
+ <xsl:variable name="label" select="@inkscape:label"/>
+ <xsl:variable name="id" select="@id"/>
+ <xsl:variable name="description" select="substring-after($label,'HMI:')"/>
+ <xsl:variable name="_args" select="substring-before($description,'@')"/>
+ <xsl:variable name="args">
+ <xsl:choose>
+ <xsl:when test="$_args">
+ <xsl:value-of select="$_args"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="$description"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:variable>
+ <xsl:variable name="_type" select="substring-before($args,':')"/>
+ <xsl:variable name="type">
+ <xsl:choose>
+ <xsl:when test="$_type">
+ <xsl:value-of select="$_type"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="$args"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:variable>
+ <xsl:if test="$type">
+ <widget>
+ <xsl:attribute name="id">
+ <xsl:value-of select="$id"/>
+ </xsl:attribute>
+ <xsl:attribute name="type">
+ <xsl:value-of select="$type"/>
+ </xsl:attribute>
+ <xsl:for-each select="str:split(substring-after($args, ':'), ':')">
+ <arg>
+ <xsl:attribute name="value">
+ <xsl:value-of select="."/>
+ </xsl:attribute>
+ </arg>
+ </xsl:for-each>
+ <xsl:variable name="paths" select="substring-after($description,'@')"/>
+ <xsl:for-each select="str:split($paths, '@')">
+ <xsl:if test="string-length(.) > 0">
+ <path>
+ <xsl:variable name="path_match" select="regexp:match(.,$pathregex)"/>
+ <xsl:variable name="pathminmax" select="str:split($path_match[4],',')"/>
+ <xsl:variable name="path" select="$path_match[2]"/>
+ <xsl:variable name="path_accepts" select="$path_match[3]"/>
+ <xsl:variable name="pathminmaxcount" select="count($pathminmax)"/>
+ <xsl:attribute name="value">
+ <xsl:value-of select="$path"/>
+ </xsl:attribute>
+ <xsl:if test="string-length($path_accepts)">
+ <xsl:attribute name="accepts">
+ <xsl:value-of select="$path_accepts"/>
+ </xsl:attribute>
+ </xsl:if>
+ <xsl:choose>
+ <xsl:when test="$pathminmaxcount = 2">
+ <xsl:attribute name="min">
+ <xsl:value-of select="$pathminmax[1]"/>
+ </xsl:attribute>
+ <xsl:attribute name="max">
+ <xsl:value-of select="$pathminmax[2]"/>
+ </xsl:attribute>
+ </xsl:when>
+ <xsl:when test="$pathminmaxcount = 1 or $pathminmaxcount > 2">
+ <xsl:message terminate="yes">
+ <xsl:text>Widget id:</xsl:text>
+ <xsl:value-of select="$id"/>
+ <xsl:text> label:</xsl:text>
+ <xsl:value-of select="$label"/>
+ <xsl:text> has wrong syntax of path section </xsl:text>
+ <xsl:value-of select="$pathminmax"/>
+ </xsl:message>
+ </xsl:when>
+ </xsl:choose>
+ <xsl:if test="$indexed_hmitree">
+ <xsl:choose>
+ <xsl:when test="regexp:test($path,'^\.[a-zA-Z0-9_]+$')">
+ <xsl:attribute name="type">
+ <xsl:text>PAGE_LOCAL</xsl:text>
+ </xsl:attribute>
+ </xsl:when>
+ <xsl:when test="regexp:test($path,'^[a-zA-Z0-9_]+$')">
+ <xsl:attribute name="type">
+ <xsl:text>HMI_LOCAL</xsl:text>
+ </xsl:attribute>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:variable name="item" select="$indexed_hmitree/*[@hmipath = $path]"/>
+ <xsl:variable name="pathtype" select="local-name($item)"/>
+ <xsl:if test="$pathminmaxcount = 3 and not($pathtype = 'HMI_INT' or $pathtype = 'HMI_REAL')">
+ <xsl:message terminate="yes">
+ <xsl:text>Widget id:</xsl:text>
+ <xsl:value-of select="$id"/>
+ <xsl:text> label:</xsl:text>
+ <xsl:value-of select="$label"/>
+ <xsl:text> path section </xsl:text>
+ <xsl:value-of select="$pathminmax"/>
+ <xsl:text> use min and max on non mumeric value</xsl:text>
+ </xsl:message>
+ </xsl:if>
+ <xsl:if test="count($item) = 1">
+ <xsl:attribute name="index">
+ <xsl:value-of select="$item/@index"/>
+ </xsl:attribute>
+ <xsl:attribute name="type">
+ <xsl:value-of select="$pathtype"/>
+ </xsl:attribute>
+ </xsl:if>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:if>
+ </path>
+ </xsl:if>
+ </xsl:for-each>
+ </widget>
+ </xsl:if>
+ </xsl:template>
+ <xsl:template mode="genlabel" match="arg">
+ <xsl:text>:</xsl:text>
+ <xsl:value-of select="@value"/>
+ </xsl:template>
+ <xsl:template mode="genlabel" match="path">
+ <xsl:text>@</xsl:text>
+ <xsl:value-of select="@value"/>
+ <xsl:if test="string-length(@min)>0 or string-length(@max)>0">
+ <xsl:text>,</xsl:text>
+ <xsl:value-of select="@min"/>
+ <xsl:text>,</xsl:text>
+ <xsl:value-of select="@max"/>
+ </xsl:if>
+ </xsl:template>
+ <xsl:template mode="genlabel" match="widget">
+ <xsl:text>HMI:</xsl:text>
+ <xsl:value-of select="@type"/>
+ <xsl:apply-templates mode="genlabel" select="arg"/>
+ <xsl:apply-templates mode="genlabel" select="path"/>
+ </xsl:template>
+ <xsl:variable name="hmi_elements" select="//svg:*[starts-with(@inkscape:label, 'HMI:')]"/>
+ <xsl:template match="/">
+ <widgets>
+ <xsl:apply-templates mode="parselabel" select="$hmi_elements"/>
+ </widgets>
+ </xsl:template>
+</xsl:stylesheet>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/svghmi/analyse_widget.ysl2 Mon May 03 00:04:08 2021 +0200
@@ -0,0 +1,20 @@
+include yslt_noindent.yml2
+
+istylesheet
+ /* From Inkscape */
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+
+ extension-element-prefixes="ns func exsl regexp str dyn"
+ exclude-result-prefixes="ns func exsl regexp str dyn svg inkscape" {
+
+ const "indexed_hmitree", "/.."; // compatibility with parse_labels.ysl2
+ include parse_labels.ysl2
+
+ const "hmi_elements", "//svg:*[starts-with(@inkscape:label, 'HMI:')]";
+
+ template "/"
+ widgets
+ apply "$hmi_elements", mode="parselabel";
+
+}
--- a/svghmi/ui.py Sun May 02 23:43:57 2021 +0200
+++ b/svghmi/ui.py Mon May 03 00:04:08 2021 +0200
@@ -299,10 +299,54 @@
def GetSubHMITree(self, _context):
return [self.hmitree_node.etree()]
+ def AnalyseWidget(self):
+ self.msg = ""
+
+ try:
+ if self.selected_SVG is None:
+ raise Exception(_("No widget selected"))
+
+ transform = XSLTransform(
+ os.path.join(ScriptDirectory, "analyse_widget.xslt"),[])
+
+ svgdom = etree.parse(self.selected_SVG)
+
+ result = transform.transform(svgdom)
+
+ for entry in transform.get_error_log():
+ self.msg += "XSLT: " + entry.message + "\n"
+
+ except Exception as e:
+ self.msg += str(e)
+ except XSLTApplyError as e:
+ self.msg += "Widget analysis error: " + e.message
+ else:
+ return result
+
+ def UpdateUI(self, signature):
+ if signature is not None:
+ print(etree.tostring(signature, pretty_print=True))
+ widgets = signature.getroot()
+ for widget in widgets:
+ widget_type = widget.get("type")
+ print(widget_type)
+ for path in widget:
+ path_value = path.get("value")
+ path_accepts = map(
+ str.strip, path.get("accepts", '')[1:-1].split(','))
+ print(path_value, path_accepts)
+
+
def ValidateWidget(self):
self.msg = ""
+ signature = self.AnalyseWidget()
+
+ self.UpdateUI(signature)
+
+ return
+
if self.tempf is not None:
os.unlink(self.tempf.name)
self.tempf = None
--- a/svghmi/widgetlib/modern_knob_1.svg Sun May 02 23:43:57 2021 +0200
+++ b/svghmi/widgetlib/modern_knob_1.svg Mon May 03 00:04:08 2021 +0200
@@ -159,16 +159,16 @@
borderopacity="1.0"
inkscape:pageopacity="0.0"
inkscape:pageshadow="2"
- inkscape:zoom="0.35"
- inkscape:cx="41.428571"
- inkscape:cy="555.71429"
+ inkscape:zoom="1.979899"
+ inkscape:cx="208.80035"
+ inkscape:cy="841.9769"
inkscape:document-units="mm"
- inkscape:current-layer="svg2637"
+ inkscape:current-layer="g3058"
showgrid="false"
- inkscape:window-width="1414"
- inkscape:window-height="840"
- inkscape:window-x="1690"
- inkscape:window-y="117"
+ inkscape:window-width="1623"
+ inkscape:window-height="1446"
+ inkscape:window-x="3346"
+ inkscape:window-y="244"
inkscape:window-maximized="0" />
<metadata
id="metadata2634">
@@ -178,7 +178,7 @@
<dc:format>image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
- <dc:title></dc:title>
+ <dc:title />
</cc:Work>
</rdf:RDF>
</metadata>
@@ -206,7 +206,7 @@
<g
style="fill:none;stroke-width:1.47405899"
transform="matrix(0.53304115,0,0,0.53229017,1417.5153,1776.3135)"
- inkscape:label="HMI:CircularBar@/CIRCULARBAR"
+ inkscape:label="HMI:CircularBar@value[HMI_REAL,HMI_INT]0,111@label[HMI_STRING]"
id="g30664">
<text
inkscape:label="value"
