Schlagwort: Prototype

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Resourcen:

• Episode 196: Nested Model Form Part 1
• nested_form
• Full episode source code

Quellcode:

[html]
<!– _form.html.erb –>
<p><%= link_to_add_fields "Add Question", f, :questions %></p>

<!– _question_fields.html.erb –>
<%= link_to_remove_fields "remove", f %>
…
<p><%= link_to_add_fields "Add Answer", f, :answers %></p>

<!– _answer_fields.html.erb –>
<%= link_to_remove_fields "remove", f %>
[/html]

[javascript]
// application.js
function remove_fields(link) {
$(link).previous("input[type=hidden]").value = "1";
$(link).up(".fields").hide();
}

function add_fields(link, association, content) {
var new_id = new Date().getTime();
var regexp = new RegExp("new_" + association, "g")
$(link).up().insert({
before: content.replace(regexp, new_id)
});
}

// application_jquery.js
function remove_fields(link) {
$(link).prev("input[type=hidden]").val("1");
$(link).closest(".fields").hide();
}

function add_fields(link, association, content) {
var new_id = new Date().getTime();
var regexp = new RegExp("new_" + association, "g")
$(link).parent().before(content.replace(regexp, new_id));
}
[/javascript]