Reposting my lost message for Paul A Norman?? ----- Original Message ----- From: "Tracey Maule" <[EMAIL PROTECTED]> To: "NZ Borland Developers Group - Delphi List" <[EMAIL PROTECTED]> Sent: Tuesday, December 09, 2003 9:56 AM Subject: Re: [DUG] webbroker and webservices
> > Prerequisite: Need a bit of a working knowledge of the HTML document > object > > model and JavaScript or JScript (MS). > > how small a bit can that be? > > where do i start? can you point me to a demo so i can see if it does what i > am after before i spend days trying to understand what you said? > It sounds like what i am after but right now i feel like going home and > crawling into a dark cupboard. > > I have some HTML experience, some very basic JS, and no XML/XSL. (and im > still fresh in the industry and know bugger all) > > How big an initial download am i looking at? many of my clients are on poxy > modems with bad phone lines. > > > > ----- Original Message ----- > From: "Paul A Norman" <[EMAIL PROTECTED]> > To: "NZ Borland Developers Group - Delphi List" <[EMAIL PROTECTED]> > Sent: Monday, December 08, 2003 4:09 PM > Subject: Re: [DUG] webbroker and webservices > > > > Don't know if this will fit your bill or not, may be its what you did, but > > might be of interest to someone who hasn't checked it out. > > > > Much easier than masses of JS arrays of objects or heaps of variables: > > > > What about XML data islands in filtered tables or direct manipulaiton of > > the XML either through JS or XSL.. stuff? Assuming client base is on IE 5+ > > > > Write whole pages **on the Clinet** from script applied to XML, highly > > object orientated and not too much of a learning curve. > > > > Prerequisite: Need a bit of a working knowledge of the HTML document > object > > model and JavaScript or JScript (MS). > > > > Main dataset(s) droped inXML from Delphi. > > Dataisland(s) set up in first page (HTML) can then be refered to in script > > by Id, or created entirley in script. > > > > <xml src="blahblah.xml" id="firstXml" /> > > > > <script ...> > > firstXml.dosomething(); > > firstXml.dosomethingElse(); > > .. > > </script> > > > > You can create new pages on the fly directly from JS and use the XML data > > under JS to fill the new pages as valid HTML code. Once you have got HTML > to > > open a new WINDOW you can access its DOCUMENT object, create elements give > > them attributes, set attributes, css styles, set dynamic expressions .. .. > > .. and content, and refer back to the parent window to carry out functions > > there .. use XML tag contents and XML tag attributes. Also using JS 5.0 > can > > rely on XML 3.0 level for backward compatibility with IE 5 browser. > > > > Use multiple XML, download on demand, or during initial download. > > > > Initial download time overheads more than compensated for by the > incredible > > speed with which the rest happens, ** as it is all client side **. > > > > Very versitile for appropriate situations, and worth the learning curve. > > Also the Mozilla DOM is developing to become usfeul and, in a growing > > number of key areas, is drawing near to the MS model. > > > > I've found using JS better than XS?.. transformations as it gives you > > complete control (and more features than the then (5.0) curent XS?.. > > sometimes) and is easier to debug. > > > > Paul > > [EMAIL PROTECTED] > > http://PaulANorman.com > > > > Ph NZ 021 782 433 > > Fx NZ 021 292 2433 > > > > Overseas: > > > > Ph. +6421782433 > > Fax +64212912433 > > > > P.O. Box 1005 > > Nelson 7015 > > New Zealand > > > > =====brief excerpt from MSDN 2001 (c) Microsoft > > XML Data Islands > > There is an increasing need to be able to embed "islands" of data inside > > HTML pages. In Microsoft� Internet Explorer 5.0 and later, these data > > islands can be written in XML. > > > > The following topics describe the syntax used for embedding these data > > islands within a page, and detail the object model exposed by the browser > to > > enable them to be used. This method of embedding XML in HTML follows the > > note published by the Worldwide Web Consortium (W3C) as the "XML in HTML > > Meeting Report." The W3C expects to evolve the HTML specification to > include > > the capability of embedding XML in HTML documents. > > > > Embedding an XML Data Island into an HTML Page > > An XML data island can be embedded using one of the following methods. > > > > a.. Using the Dynamic HTML (DHTML) XML element within the HTML document > > b.. Overloading the HTML SCRIPT element > > Using the XML Element Within the HTML Document > > This syntax is valid for Internet Explorer 5.0. > > > > There are two syntactically correct ways of using the XML element within > the > > HTML document. > > > > a.. The XML data can exist inline, surrounded by XML start and end tags. > > <XML ID="XMLID"> > > <XMLDATA> > > <DATA>TEXT</DATA> > > </XMLDATA> > > </XML>b.. The XML element can have a SRC attribute, the value of which is > > the URL for an XML data source. > > <XML SRC="http://localhost/xmlFile.xml";></XML>The XML element is present > in > > the HTML Document Object Model. It is in the DHTML all collection and is > > seen by the browser as just a regular node. The XML data within the XML > > element can then be accessed by calling the DHTML XMLDocument property on > > the XML element. > > > > The XMLDocument property returns the root node of the XML within the XML > > element or the root node of the XML referenced by the value of the SRC > > attribute. From this root, the XML data island can be navigated using the > > XML Document Object Model (DOM). The following function returns the data > > from the data island with the ID of "XMLID". > > > > function returnXMLData(){ > > return document.all("XMLID").XMLDocument.nodeValue; > > }The XML element can also be referenced by ID alone. For example, the > > following function has the identical functionality as the preceding > example. > > > > function returnXMLData(){ > > return XMLID.documentElement.text; > > }Because the XMLDocument property was not used, the documentElement > > property must be called to retrieve the root element of the XML. > > > > _______________________________________________ > > Delphi mailing list > > [EMAIL PROTECTED] > > http://ns3.123.co.nz/mailman/listinfo/delphi > > > _______________________________________________ Delphi mailing list [EMAIL PROTECTED] http://ns3.123.co.nz/mailman/listinfo/delphi
