Rather than preventing multiple items to be selected, hide actions that aren't
appropriate for the active item selection. This is a pattern that will be
repeated on many other pages.
---
src/app/views/users/index.haml | 36 +++++++++++++++++++-----------------
1 files changed, 19 insertions(+), 17 deletions(-)
diff --git a/src/app/views/users/index.haml b/src/app/views/users/index.haml
index 4fc15c8..41b0f0e 100644
--- a/src/app/views/users/index.haml
+++ b/src/app/views/users/index.haml
@@ -30,7 +30,7 @@
%tr
%td
- is_first_user = (user == @users.first)
- %input{:checked => is_first_user, :name => "user_checkbox", :type =>
"checkbox", :value => user.id, :onchange => "update_link(#{user.id})", :id =>
"user_checkbox_#{user.id}" }
+ %input{:checked => is_first_user, :name => "user_checkbox", :type =>
"checkbox", :value => user.id, :id => "user_checkbox_#{user.id}" }
%td= link_to user.login, user, :id => user.id
%td= user.last_name
%td= user.first_name
@@ -41,20 +41,22 @@
=link_to "", user_url(user.id), :id => "delete_user_" + user.id.to_s
:javascript
- function update_link(id)
- {
- var checkbox = document.getElementById('user_checkbox_' + id)
- if(checkbox.checked)
- {
- var checkboxes = document.getElementsByName("user_checkbox")
- for(var i = 0; i < checkboxes.length; i++)
- {
- checkboxes[i].checked = false
+ $(document).ready(function () {
+ var $checkboxes = $("input[type='checkbox']");
+ $checkboxes.change(function () {
+ var $checked = $("input[type='checkbox']:checked"),
+ $edit = $("dd.edit"),
+ $delete = $("dd.delete");
+ if ($checked.length === 0) {
+ //disable the edit and delete action if there is none selected
+ $edit.hide(200);
+ $delete.hide(200);
+ } else if ($checked.length > 1) {
+ $edit.hide(200);
+ $delete.show(200);
+ } else {
+ $edit.show(200);
+ $delete.show(200);
}
- checkbox.checked = true
- }
- else
- {
- checkbox.checked = true
- }
- }
+ }).change();
+ });
--
1.7.2.3
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