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Improved wui code in workbook doc.

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Jocelyn Fiat
2017-02-14 19:53:33 +01:00
parent 8899d3404e
commit 540b0ffdfe
1 changed files with 132 additions and 134 deletions
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workbook/wui/readme.md
+14 -16
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@@ -28,8 +28,8 @@ In addition, the `WSF_FORM_..` is capable to analyze parameters from request `WS
A simple solution to return html content is to use the `WSF_HTML_PAGE_RESPONSE` for now. A simple solution to return html content is to use the `WSF_HTML_PAGE_RESPONSE` for now.
In a `WSF_EXECUTION` descendant, see how to implement the `execute` procedure. In a `WSF_EXECUTION` descendant, see how to implement the `execute` procedure.
``` ```eiffel
execute execute
local local
mesg: WSF_HTML_PAGE_RESPONSE mesg: WSF_HTML_PAGE_RESPONSE
do do
@@ -43,9 +43,8 @@ In a `WSF_EXECUTION` descendant, see how to implement the `execute` procedure.
In this case, the html is hardcoded, and written manually. In this case, the html is hardcoded, and written manually.
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. 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.
``` ```eiffel
execute
execute
do do
-- Basic url dispatching... -- Basic url dispatching...
if request.is_post_request_method then if request.is_post_request_method then
@@ -55,7 +54,7 @@ Now let's see how to use the WSF widgets on a more advanced usecase, a simple si
end end
end end
execute_web_form_display execute_web_form_display
local local
mesg: WSF_HTML_PAGE_RESPONSE mesg: WSF_HTML_PAGE_RESPONSE
f: WSF_FORM f: WSF_FORM
@@ -76,12 +75,12 @@ Now let's see how to use the WSF widgets on a more advanced usecase, a simple si
response.send (mesg) response.send (mesg)
end end
execute_web_form_submission execute_web_form_submission
do do
... this will be explain in next section ! ... this will be explain in next section !
end end
new_login_form: WSF_FORM new_login_form: WSF_FORM
local local
f: WSF_FORM f: WSF_FORM
f_set: WSF_FORM_FIELD_SET f_set: WSF_FORM_FIELD_SET
@@ -124,8 +123,8 @@ Indeed `WSF_HTML.process (request, .., ..)` analyze the request, fill the form f
See See
``` ```eiffel
process (req: WSF_REQUEST; a_before_callback, a_after_callback: detachable PROCEDURE [WSF_FORM_DATA]) process (req: WSF_REQUEST; a_before_callback, a_after_callback: detachable PROCEDURE [WSF_FORM_DATA])
-- Process Current form with request `req`, -- Process Current form with request `req`,
-- and build `last_data: WSF_FORM_DATA` object containing the field values. -- and build `last_data: WSF_FORM_DATA` object containing the field values.
-- agent `a_before_callback` is called before the validation -- agent `a_before_callback` is called before the validation
@@ -134,8 +133,8 @@ See
In our previous sample code, `execute_web_form_submission` could be: In our previous sample code, `execute_web_form_submission` could be:
``` ```eiffel
execute_web_form_submission execute_web_form_submission
local local
mesg: WSF_HTML_PAGE_RESPONSE mesg: WSF_HTML_PAGE_RESPONSE
l_html: STRING l_html: STRING
@@ -190,9 +189,9 @@ If those validations reports error, then the `form_data.has_error` will be True.
To set validation, To set validation,
For instance, in previous sample, accepts only alpha-numeric characters: For instance, in previous sample, accepts only alpha-numeric characters:
``` ```eiffel
f_username.set_description ("Only alpha-numeric character are accepted.") f_username.set_description ("Only alpha-numeric character are accepted.")
f_username.set_validation_action (agent (fd: WSF_FORM_DATA) f_username.set_validation_action (agent (fd: WSF_FORM_DATA)
do do
if attached fd.string_item ("username") as u then if attached fd.string_item ("username") as u then
if across u as ic some not ic.item.is_alpha_numeric end then if across u as ic some not ic.item.is_alpha_numeric end then
@@ -242,4 +241,3 @@ For now, the `wsf_html` provides a simple solution to build web form. It is alwa
Advanced usage could be built on top of the `wsf_html` to include for instance javascript actions, but this is out of the scope of `wsf_html` . Advanced usage could be built on top of the `wsf_html` to include for instance javascript actions, but this is out of the scope of `wsf_html` .