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WikiForms Form Plugin Example#

This page uses the WikiForms plugins to provide parameters to the CurrentTimePlugin, and displays the result.

Table of Contents

Giving Defaults#

The first item, hidden in normal WikiPage viewing, looks like this: 

[{FormSet form='testform' format='EEE, d MMM yyyy HH:mm:ss Z' rd1='r2'}]

The FormSet plugin sets the default date format for a form field format in form testform. (It also sets a radio button default value - just for demonstration, no real functionality.)

Form Output and Error Messages#

The second item, also hidden, looks like this: 

[{FormOutput form='testform' handler='CurrentTimePlugin' populate='handler'}]

It specifies that the CurrentTimePlugin, which comes in the stock JSPWiki distribution, should be used to generate some output to display here. While the output is usually built in response to a POST from a form called testform, the populate attribute here hints the plugin that we want default information even if no post has been made. This is what the output looks like:

Fri, 7 Jun 2013 11:00:02 -0400

Opening the Form#

The third element starts the actual HTML form called testform: 

[{FormOpen form='testform'}]

Form Fields#

We'll use a text field to provide the format of CurrentTimePlugin's output. Notice that the name of this field is format - the name of CurrentTimePlugin's relevant parameter. This value is passed straight to CurrentTimePlugin on submit: 

Enter the time format string: [{FormInput type='text' name='format'}]
Enter the time format string:

The rest of the form merely demonstrates some other HTML form elements. The don't work with CurrentTimePlugin, but you'll probably want them in your special form handler plugins.

Select list: 

[{FormSelect name='sel1' value='fee;*fie;foe;foo'}]\\

(Notice, here, the asterisk; this denotes the default value to select. The separator character and the default character can be overridden - check FormSelect for more information.)


Textarea: 

[{FormTextarea name='area1' value='Write your own text here' rows=8 cols=40}]

Submitting#

Before finishing up, we need to add a submit button: 
[{FormInput type='submit' name='x' value='Update'}]

Closing the Form#

And, finally, an invisible closing element to denote that this form has ended: 
[{FormClose}]

Go ahead, click on Update, and notice how your format changes and selections are retained.

Synopsis:#

  • (Optional) Start with the FormSet, give defaults
  • (Optional) If the form is supposed to give out information, add an output
  • (Mandatory) open the form
  • (Optional) add any text/select elements
  • (Mandatory) add a submit
  • (Mandatory) close the form

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« This page (revision-) was last changed on 19-Jul-2006 09:36 by UnknownAuthor