[英]Ruby on Rails jQuery: Toggle not working
我正在嘗試創建一個顯示/隱藏div的按鈕。 這似乎相對簡單,但每當我點擊此按鈕時,它只是刷新,當我一直點擊它時,它隱藏了我的大部分頁面。 這是我到目前為止所擁有的。 此外,我不知道它是否重要,但我在大多數CSS使用基礎
的application.js
$(function() {
$(document).foundation();
});
$(document).ready(function() {
$('#message_button').click(function() {
$("#messages").toggle();
});
});
_userindex.html
<div class="row">
<div class="small-12 columns new-button">
<%= link_to 'New Job', new_job_path, class: 'button' %>
</div>
</div>
<div class="section-container auto" data-section>
<section>
<p class="title" data-section-title><a href="#panel1">Active Jobs</a></p>
<div class="content" data-section-content>
<% if @active.present? %>
<ul>
<% @active.each do |job| %>
<li class='panel'>
<div class="row">
<div class="small-12 columns">
<div class="row">
<div class="large-6 columns">
<span id="location"><strong>location</strong>: <%= job.location %></span>
</div>
<div class="large-6 columns">
<span id="status"><strong>status</strong>: <%= job.status %></span>
</div>
</div>
<div class='light panel bottom'>
<strong>job: <%= link_to job.name, job %></strong><br>
<%= job.description %>
</div>
</div>
</div>
<div class="row job-buttons">
<div class="small-6 columns">
MESSAGES BUTTON -->>> <%= link_to 'messages', '', class: 'button small secondary', id: "message_button" %>
</div>
<div class="small-6 columns">
<%= link_to 'cancel', job, method: :delete, data: {confirm: 'Are you sure?'}, class: 'button small alert' %>
</div>
</div>
<br />
I WANT TO HIDE THIS ENTIRE DIV ---->>>> <div id="messages">
<div class="row">
<div class="small-12 columns">
<div class="panel">
<%= form_for(@message) do |f| %>
<%= f.label :body, "Description" %>
<%= f.text_area :body %>
<%= f.hidden_field :job_id, value: job.id %>
<%= f.submit 'Create message', class: 'button small secondary' %>
<% end %>
</div>
</div>
</div>
<% jobs_messages = job.messages %>
<% if jobs_messages.present? %>
<ul>
<% jobs_messages.each do |m| %>
<% if m.user_id.present? %>
<% user = m.user %>
<% else %>
<% user = m.runner %>
<% end %>
<li class='panel'>
<div class='row'>
<div class='small-12 columns'>
<p> From: <%= user.login %> </p>
<p> Body: <%= m.body %>
</div>
</div>
</li>
<% end %>
</ul>
<% else %>
<div class="empty panel">
<p>no messages at the moment</p>
</div>
<% end %>
</div>
</li>
<% end %>
</ul>
<% else %>
<div class="empty panel">
<p>no active jobs at the moment</p>
</div>
<% end %>
</div>
</section>
<section>
<p class="title" data-section-title><a href="#panel2">Completed Jobs</a></p>
<div class="content" data-section-content>
<% if @completed.present? %>
<% else %>
<div class="empty panel">
<p>no completed jobs yet</p>
</div>
<% end %>
</div>
</section>
</div>
我正在嘗試$()。點擊動作到id為“message_button”的link_to按鈕。 只要單擊此按鈕/鏈接,我希望它顯示/隱藏“消息”div。
我是jQuery,rails和foundation的新手,所以我留下了大部分代碼以防萬一重要。 但我標記了message_button和消息div以幫助您更好地找到它。
2個問題:
問題#2很簡單:調用preventDefault() (下面的用法示例)。
問題#1有點棘手......
您正在循環中創建<li>
內容,在每個<li>
標記內,您擁有ID為#messages
和#message_button
。 不允許在同一頁面上存在多個ID實例。 如果需要,可以使用class
es而不是id
因為您可以擁有多個類的實例。
但是,從ID切換到Classes不會解決您的問題,就像您使用類一樣,您只需在單擊任何消息按鈕時切換所有消息。
在這里提到這個問題,您可以輕松獲取rails模板中的循環索引:
<% @active.each do |job, index| %>
Your template/html code here
<% end %>
這將公開一個新變量index
,您可以使用該index
來裝飾每個消息和帶有索引值的按鈕,然后指定要顯示的消息。
注意:我不確定這是否是最佳方法,但這應該有效。 我使用Rails已經有一段時間了,所以可能會有錯誤。 我已經包含下面的代碼只是為了演示可能的解決方案:
application.js中:
$(function() {
$(document).foundation();
});
$(document).ready(function() {
//NOTE that I am selecting on a class here
$('.message_button').click(function(e) {
//You also need to prevent the default behaviour of
//the link. That is why the page keeps refreshing.
e.preventDefault();
//get the index value I appended to this elements ID
var msgButtonIndex = $(this).attr("id").replace("message_button_","");
//select and toggle the respective message
$("#messages_" + msgButtonIndex).toggle();
});
});
_userindex.html:
<div class="row">
<div class="small-12 columns new-button">
<%= link_to 'New Job', new_job_path, class: 'button' %>
</div>
</div>
<div class="section-container auto" data-section>
<section>
<p class="title" data-section-title><a href="#panel1">Active Jobs</a></p>
<div class="content" data-section-content>
<% if @active.present? %>
<ul>
<% @active.each do |job,index| %>
<li class='panel'>
<div class="row">
<div class="small-12 columns">
<div class="row">
<div class="large-6 columns">
<span id="location"><strong>location</strong>: <%= job.location %></span>
</div>
<div class="large-6 columns">
<span id="status"><strong>status</strong>: <%= job.status %></span>
</div>
</div>
<div class='light panel bottom'>
<strong>job: <%= link_to job.name, job %></strong><br>
<%= job.description %>
</div>
</div>
</div>
<div class="row job-buttons">
<div class="small-6 columns">
<%# Adding a "message_button" class and a decorated "message_button_{index}" ID! %>
<%= link_to 'messages', '', class: 'button small secondary message_button', id: "message_button_" + index.to_s %>
</div>
<div class="small-6 columns">
<%= link_to 'cancel', job, method: :delete, data: {confirm: 'Are you sure?'}, class: 'button small alert' %>
</div>
</div>
<br />
<%# decorating this ID too %>
<div id="messages_<%= index.to_s %>">
<div class="row">
<div class="small-12 columns">
<div class="panel">
<%= form_for(@message) do |f| %>
<%= f.label :body, "Description" %>
<%= f.text_area :body %>
<%= f.hidden_field :job_id, value: job.id %>
<%= f.submit 'Create message', class: 'button small secondary' %>
<% end %>
</div>
</div>
</div>
<% jobs_messages = job.messages %>
<% if jobs_messages.present? %>
<ul>
<% jobs_messages.each do |m| %>
<% if m.user_id.present? %>
<% user = m.user %>
<% else %>
<% user = m.runner %>
<% end %>
<li class='panel'>
<div class='row'>
<div class='small-12 columns'>
<p> From: <%= user.login %> </p>
<p> Body: <%= m.body %>
</div>
</div>
</li>
<% end %>
</ul>
<% else %>
<div class="empty panel">
<p>no messages at the moment</p>
</div>
<% end %>
</div>
</li>
<% end %>
</ul>
<% else %>
<div class="empty panel">
<p>no active jobs at the moment</p>
</div>
<% end %>
</div>
</section>
<section>
<p class="title" data-section-title><a href="#panel2">Completed Jobs</a></p>
<div class="content" data-section-content>
<% if @completed.present? %>
<% else %>
<div class="empty panel">
<p>no completed jobs yet</p>
</div>
<% end %>
</div>
</section>
</div>
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