I changed the the scope of the createStartTag and createEndTag methods in
GenericElement to public so
you can call them directly. so you should be able to call $form.createStartTag
$form.createEndTag
-stephan
"Henning P. Schmiedehausen" wrote:
> Robert Burrell Donkin <[EMAIL PROTECTED]> writes:
>
> >"Henning P. Schmiedehausen" wrote:
>
> >> Hi,
>
> >Hi Henning
>
> >> in an application, I have the need to build "half" tags for e.g. a
> >> <FORM> </FORM> tag. I want to have two methods, one which returns the
> >> opening tag of an ECS object and one whith returns the closing tag.
> >> (I need two callbacks from a velocity template to put opening /
> >> closing tags in the right locations of a prebuilt form)
>
> >i'm a bit confused.
>
> >ecs is designed to create complete document fragments (eg. everything
> >between the <FORM> and the </FORM> tags).
>
> I know. What I have to do is this:
>
> In my application, the design is done (as it should be) by
> designers. They use large table structures to place their
> elements. And there now should be some forms inside which are my
> responsibility. The basic layout looks like this (much stripped down,
> hope the intention is still clear):
>
> [... HTML header and top of page ...]
>
> <FORM .... parameters ...>
> <INPUT TYPE="hidden" VALUE="$form.getValue("y1")" NAME="y1">
> <INPUT TYPE="hidden" VALUE="$form.getValue("y2")" NAME="y2">
> <INPUT TYPE="hidden" VALUE="$form.getValue("y3")" NAME="y3">
> <INPUT TYPE="hidden" VALUE="$form.getValue("y4")" NAME="y4">
>
> <TABLE>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD> <INPUT TYPE="text" VALUE="$form.getValue("y5")" NAME="y5"> </TD> </TR>
> <TR> <TD> <INPUT TYPE="text" VALUE="$form.getValue("y6")" NAME="y6"> </TD> </TR>
> <TR> <TD> <INPUT TYPE="text" VALUE="$form.getValue("y7")" NAME="y7"> </TD> </TR>
> <TR> <TD> .... </TD> </TR>
>
> </TABLE>
>
> </FORM>
>
> [... rest of the page ... ]
>
> I must have the form tags and fields. It is my job to get this
> working, filling itself out from our application and so on. It is
> their job to make it "look nice".
>
> The designers are not able to place <FORM> and <INPUT> tags according
> to specifications and get the " right. Yes, they're dumb but I'm stuck
> with them (I do contract work for them, not the other way round =:-) )
>
> And I've corrected complex and obfuscated HTML for some missing
> "hidden" fields, missing " or wrong identifiers so often, that I'm
> pretty much fed up.
>
> So I basically wanted to do the following thing as a velocity
> template, tell them "write HTML and use the following tags" :
>
> [... HTML header and top of page ...]
>
> $form.getStart()
> <TABLE>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD> .... </TD> </TR>
> <TR> <TD>$form.getInput("y5")</TD> </TR>
> <TR> <TD>$form.getInput("y5")</TD> </TR>
> <TR> <TD>$form.getInput("y6")</TD> </TR>
> <TR> <TD> .... </TD> </TR>
> </TABLE>
> $form.getEnd()
>
> [... rest of the page ... ]
>
> Yes, they _can_ write this.
>
> So in my code, I have the following methods:
>
> private org.apache.ecs.Form form = null;
>
> private org.apache.ecs.Form getForm()
> {
> if(form != null)
> return form;
>
> form = new org.apache.ecs.Form("action", "method")
> .addElement(new org.apache.ecs.Input(org.apache.ecs.Input.HIDDEN,
>"x1", "y1"))
> .addElement(new org.apache.ecs.Input(org.apache.ecs.Input.HIDDEN,
>"x2", "y2"))
> [...]
>
> return form;
> }
>
> public String getStart()
> {
> return this.getForm().openingTag().toString();
> }
>
> public String getEnd()
> {
> return this.getForm().closingTag().toString();
> }
>
> with "openingTag()" returning everything up to the "</FORM>" closing
> tag and "closingTag()" just returning "</FORM>" (the closing tag of
> the Form element).
>
> I could also live, if "openingTag()" just returns the "<FORM>" without
> the inner elements:
>
> private org.apache.ecs.StringElement formContents = null;
> private org.apache.ecs.Form form = null;
>
> private org.apache.ecs.StringElement getFormContents()
> {
> if(formContents != null)
> return formContents;
>
> formContents = new org.apache.ecs.StringElement()
> .addElement(new
>org.apache.ecs.Input(org.apache.ecs.Input.HIDDEN, "x1", "y1"))
> .addElement(new
>org.apache.ecs.Input(org.apache.ecs.Input.HIDDEN, "x2", "y2"))
> [...]
>
> return formContents;
> }
>
> private org.apache.ecs.Form getForm()
> {
> if(form != null)
> return form;
>
> form = new org.apache.ecs.Form("action", "method");
>
> return form;
> }
>
> public String getStart()
> {
> return this.getForm().openingTag().toString() +
>this.getFormContents().toString;
> }
>
> public String getEnd()
> {
> return this.getForm().closingTag().toString();
> }
>
> At the moment, the getFormContents() is written as above but uses a
> StringElement as the wrapper and the getStart() looks like this:
>
> public String getStart()
> {
> return "<FORM ACTION=\"action\" METHOD=\"method\">\n" +
>getFormContents().toString();
> }
>
> public String getEnd()
> {
> return "</FORM>";
> }
>
> and I wanted to keep _all_ HTML tags out of strings but in ECS
> elements. I hate HTML. =:-) I want a program to get all the gritty
> stuff right. That's why I use ECS on java and CGI.pm on perl.
>
> >so, everything that you want to end up in the form needs to be added as
> >ecs elements to
> >the Form element. if you construct it like this, then everything should
> >always end up in the right places.
>
> Yes, this is the world of completely java generated pages and everone
> being a designer and a developer. I have to work with people that
> don't know anything outside their DreamWorld^WWeaver. They pay good,
> however. 0:-)
>
> Regards
> Henning
>
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