Subject: RE: [xsl] Simulate schema-awareness to create comboBoxes From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Tue, 28 Nov 2006 18:12:12 -0000 |
PS: try to find me at XML2006, and we'll talk about the problem. Michael Kay > -----Original Message----- > From: Angela Williams [mailto:Angela.Williams@xxxxxxxxxxxxxxxxxx] > Sent: 28 November 2006 18:01 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Simulate schema-awareness to create comboBoxes > > Hello - > > I need some advice, please. I have a multi-step problem and > am not sure the best direction to take. I've tried a few > different options, but surely someone has already solved this > more elegantly than what I am doing.... I am attending > <XML2006> and thought I could wait, but need to come up with > something before then... > > Step 1: I need the global elements in a schema to be > represented as options in comboBoxes on a JSF page. > > Step 2: I need to compare the user choices (in the instance > document) against the schema to dynamically add or remove > options from the comboBox according to the schema cardinality. > > I can write a stylesheet to parse the schema to provide the > lists, but that just gives me a superset and doesn't account > for cardinality. And I would still have to continue to > compare the instance doc against the parsed schema to update > the comboBoxes as the user makes choices. > > I'm using W3C XML Schema, XSLT 2.0, XPath 2.0 and Saxon8. We > have a license for SaxonSA, but it either doesn't offer the > type of functionality I need or I just didn't recognize it. > > Schema: > <?xml version="1.0" encoding="UTF-8"?> > <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> > > <xs:element name="root"> > <xs:complexType> > <xs:sequence> > <xs:element ref="Item-A" minOccurs="0" maxOccurs="1" /> > <xs:element ref="Item-B" minOccurs="1" > maxOccurs="unbounded" /> > </xs:sequence> > </xs:complexType> > </xs:element> > > <xs:element name="Item-A" type="a-type"/> > <xs:element name="Item-B" type="b-type"/> > > <xs:complexType name="a-type"/> > <xs:complexType name="b-type"/> > > </xs:schema> > > Instance 1 > Only option should be 'Item-B': > <?xml version="1.0" encoding="UTF-8"?> > <root> > <Item-A/> > </root> > > Instance 2 > Options should be 'Item-A' and 'Item-B': > <?xml version="1.0" encoding="UTF-8"?> > <root> > <Item-B/> > </root> > > If someone could point me in the right direction, I would > greatly appreciate it! > > Thanks! > Angela Williams > Channel Developer > The 401k Company > 512-344-1547 >
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