Updated markdown syntax.
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@@ -23,7 +23,7 @@ In addition, the `WSF_FORM_..` is capable to analyze parameters from request `WS
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A simple solution to return html content is to use the `WSF_HTML_PAGE_RESPONSE` for now.
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In a `WSF_EXECUTION` descendant, see how to implement the `execute` procedure.
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```eiffel
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```
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execute
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local
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mesg: WSF_HTML_PAGE_RESPONSE
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@@ -38,7 +38,7 @@ In a `WSF_EXECUTION` descendant, see how to implement the `execute` procedure.
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In this case, the html is hardcoded, and written manually.
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Now let's see how to use the WSF widgets on a more advanced usecase, a simple sign-in web form with 2 input fields `username`, `password` and `submit` button.
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```eiffel
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```
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execute
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do
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@@ -116,8 +116,10 @@ See [Handling requests section](../handling_request/form.md)
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The `wsf_html` library, thanks to the `WSF_FORM`, provides a more powerful solution.
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Indeed `WSF_HTML.process (request, .., ..)` analyze the request, fill the form fields, and process various validations, and submissions automatically.
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see
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```eiffel
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See
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```
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process (req: WSF_REQUEST; a_before_callback, a_after_callback: detachable PROCEDURE [WSF_FORM_DATA])
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-- Process Current form with request `req`,
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-- and build `last_data: WSF_FORM_DATA` object containing the field values.
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@@ -126,7 +128,8 @@ see
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```
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In our previous sample code, `execute_web_form_submission` could be:
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```eiffel
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```
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execute_web_form_submission
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local
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mesg: WSF_HTML_PAGE_RESPONSE
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@@ -181,7 +184,8 @@ If those validations reports error, then the `form_data.has_error` will be True.
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To set validation,
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For instance, in previous sample, accepts only alpha-numeric characters:
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```eiffel
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```
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f_username.set_description ("Only alpha-numeric character are accepted.")
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f_username.set_validation_action (agent (fd: WSF_FORM_DATA)
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do
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@@ -196,6 +200,7 @@ For instance, in previous sample, accepts only alpha-numeric characters:
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end
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end)
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```
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Notes:
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* If the validation is not satisfied, the form data will report `has_error` as True, and the associated form will be updated with submitted values, and with `class="error"` set to the related html code.
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The errors are also available via the `form_data.errors` feature.
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