X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FManual%2FTutorial%2FAdvancedCRUD%2FFormFu.pod;h=4e6dba6814999f98c89b68fe7681bf3e397fb56b;hb=f279297ad42ed1dc1fc4e2289a4a1dc17acf91d7;hp=36a2232a1d08b600adab8ed883bee4fdc77d60e4;hpb=59d6a035fe3e35282ed23de210ec5a9beb1aa1a3;p=catagits%2FCatalyst-Manual.git diff --git a/lib/Catalyst/Manual/Tutorial/AdvancedCRUD/FormFu.pod b/lib/Catalyst/Manual/Tutorial/AdvancedCRUD/FormFu.pod index 36a2232..4e6dba6 100644 --- a/lib/Catalyst/Manual/Tutorial/AdvancedCRUD/FormFu.pod +++ b/lib/Catalyst/Manual/Tutorial/AdvancedCRUD/FormFu.pod @@ -1,5 +1,7 @@ =head1 NAME + + Catalyst::Manual::Tutorial::AdvancedCRUD::FormFu - Catalyst Tutorial - Part 9: Advanced CRUD - FormFu @@ -124,8 +126,8 @@ following method: # Get the form that the :FormConfig attribute saved in the stash my $form = $c->stash->{form}; - # Check if the form as been submitted (vs. displaying the initial - # form) and if the data based validation. "submitted_and_valid" + # Check if the form has been submitted (vs. displaying the initial + # form) and if the data passed validation. "submitted_and_valid" # is shorthand for "$form->submitted && !$form->has_errors" if ($form->submitted_and_valid) { # Create a new book @@ -202,6 +204,10 @@ following text: name: submit value: Submit +B Copying and pasting YAML from perl documentation is sometimes +tricky. See the L section of +this document for a more foolproof config format. + =head2 Update the CSS @@ -235,7 +241,7 @@ Open C in your editor and enter the following: [%# Render the HTML::FormFu Form %] [% form %] -

Return to book list

+

Return to book list

=head2 Add Links for Create and Update via C @@ -245,7 +251,7 @@ the bottom of the existing file:

HTML::FormFu: - Create + Create

This adds a new link to the bottom of the book list page that we can @@ -259,12 +265,12 @@ running) and restart it: $ script/myapp_server.pl -Login as C. Once at the Book List page, click the new -HTML::FormFu "Create" link at the bottom to display the form. Fill in -the following values: Title = "Internetworking with TCP/IP Vol. II", -Rating = "4", and Author = "Comer". Click Submit, and you will be -returned to the Book List page with a "Book created" status message -displayed. +Login as C (password: mypass). Once at the Book List page, +click the new HTML::FormFu "Create" link at the bottom to display the +form. Fill in the following values: Title = "Internetworking with +TCP/IP Vol. II", Rating = "4", and Author = "Comer". Click Submit, +and you will be returned to the Book List page with a "Book created" +status message displayed. Also note that this implementation allows you to can create books with bogus information. Although we have constrained the authors with the @@ -311,23 +317,15 @@ to match: # This is an optional 'mouse over' title pop-up attributes: title: Enter a book title here - # Use Filter to clean up the input data - filter: - # Remove whitespace at both ends - - TrimEdges - # Escape HTML characters for safety - - HTMLEscape # Add constraints for the field constraints: - # The user cannot leave this field blank - - SingleValue # Force the length to be between 5 and 40 chars - type: Length min: 5 max: 40 # Override the default of 'Invalid input' message: Length must be between 5 and 40 characters - + # Another text field for the numeric rating - type: Text name: rating @@ -336,15 +334,17 @@ to match: title: Enter a rating between 1 and 5 here # Use Filter to clean up the input data filter: - # Remove whitespace at both ends - - TrimEdges # Remove everything except digits - NonNumeric # Add constraints to the field constraints: - - SingleValue + - Required # Make sure it's a number - Integer + message: "Digits only, please." + # Filters apply before constraints. + # If a user gives the rating "excellent", the NonNumeric filter would remove the entire string as it contains no digits. + # Remove the NonNumeric filter and let the Integer constraint handle the validation and error message. # Add a select list for the author selection. Note that we will # dynamically fill in all the authors from the controller but we @@ -362,12 +362,6 @@ to match: # One could argue we don't need to do filters or constraints for # a select list, but it's smart to do validation and sanity # checks on this data in case a user "hacks" the input - # Use Filter to clean up the input data - filter: - # Remove whitespace at both ends - - TrimEdges - # Escape HTML characters for safety - - HTMLEscape # Add constraints to the field constraints: # Make sure it's a number @@ -378,10 +372,20 @@ to match: name: submit value: Submit - # Globally ensure that each field only specified one value + # Global filters and constraints. constraints: - # The user cannot leave any fields blank - - Required + # The user cannot leave any fields blank + - Required + # If not all fields are required, move the Required constraint to the fields that are. + filter: + # Remove whitespace at both ends + - TrimEdges + # Escape HTML characters for safety + - HTMLEscape + +B Copying and pasting YAML from perl documentation is sometimes +tricky. See the L section of +this document for a more foolproof config format. The main changes are: @@ -452,8 +456,8 @@ bottom: # Get the form that the :FormConfig attribute saved in the stash my $form = $c->stash->{form}; - # Check if the form as been submitted (vs. displaying the initial - # form) and if the data based validation. "submitted_and_valid" + # Check if the form has been submitted (vs. displaying the initial + # form) and if the data passed validation. "submitted_and_valid" # is shorthand for "$form->submitted && !$form->has_errors" if ($form->submitted_and_valid) { # Save the form data for the book @@ -524,9 +528,9 @@ following: [% # Add a link to delete a book %] - Delete + Delete [% # Add a link to edit a book %] - Edit + Edit @@ -546,6 +550,61 @@ be returned to the book list with a "Book edited" message at the top in green. Experiment with other edits to various books. +=head2 Config::General Config for this tutorial + +If you are having difficulty with YAML config above, please save the +below into the file C and delete the +C file. The below is in +L format which follows the syntax of +Apache config files. + + constraints Required + + + min 5 + max 40 + type Length + message Length must be between 5 and 40 characters + + filter TrimEdges + filter HTMLEscape + name title + type Text + label Title + + title Enter a book title here + + + + constraints Integer + filter TrimEdges + filter NonNumeric + name rating + type Text + label Rating + + title Enter a rating between 1 and 5 here + + + + constraints Integer + filter TrimEdges + filter HTMLEscape + name authors + type Select + label Author + multiple 1 + size 3 + + + value Submit + name submit + type Submit + + indicator submit + + + =head1 AUTHOR Kennedy Clark, C @@ -556,4 +615,4 @@ L). - \ No newline at end of file +