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<h2>Revisions for Node: <%= @node.unique_name %></h2>
<table id="revisions" class="revisions_table">
<thead>
<tr class="header">
<th>First</th>
<th>Last</th>
<th>Rev.</th>
<th>Title</th>
<th>Editor</th>
<th>Date</th>
<th></th>
<th></th>
</tr>
<tr class="no_hover diff_sticky_bar">
<td colspan="8">
<%= button_to 'Diff revisions', diff_node_revisions_path(@node),
method: :post,
form: { id: 'diff_form', class: 'button_to computation' },
disabled: true %>
<span id="diff_selection_label"></span>
</td>
</tr>
</thead>
<tbody>
<% pages = (@pages || @node.pages.all).reverse %>
<% pages.each_with_index do |page, index| %>
<tr>
<td><%= radio_button_tag :start_revision, page.revision, index == 1 %></td>
<td><%= radio_button_tag :end_revision, page.revision, index == 0 %></td>
<td class="revision"><%= page.revision %></td>
<td class="title"><%= page.title %></td>
<td class="user"><%= page.editor.try(:login) %></td>
<td class="date"><%= page.updated_at %></td>
<td><%= link_to 'show', node_revision_path(@node, page) %></td>
<td>
<%= button_to 'restore', restore_node_revision_path(@node, page),
method: :put,
form: { data: { confirm: "Restore this revision?" }, class: 'button_to state_changing' } %>
</td>
</tr>
<% end %>
</tbody>
</table>
<script>
function update_diff_button_state() {
var start = document.querySelector('input[name="start_revision"]:checked');
var end = document.querySelector('input[name="end_revision"]:checked');
var valid = start && end && start.value !== end.value;
document.querySelector('#diff_form button[type="submit"]').disabled = !valid;
var label = document.getElementById('diff_selection_label');
if (start && end) {
label.textContent = start.value + ' against ' + end.value;
} else if (start || end) {
label.textContent = (start || end).value + ' selected';
} else {
label.textContent = '';
}
}
document.querySelectorAll('input[name="start_revision"], input[name="end_revision"]')
.forEach(function(radio) { radio.addEventListener('change', update_diff_button_state); });
update_diff_button_state();
document.getElementById('diff_form').addEventListener('submit', function(e) {
var start = document.querySelector('input[name="start_revision"]:checked');
var end = document.querySelector('input[name="end_revision"]:checked');
if (start) {
var s = document.createElement('input');
s.type = 'hidden'; s.name = 'start_revision'; s.value = start.value;
this.appendChild(s);
}
if (end) {
var en = document.createElement('input');
en.type = 'hidden'; en.name = 'end_revision'; en.value = end.value;
this.appendChild(en);
}
});
</script>
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