Redmine 3.4.4

app/views/watchers/_new.html.erb

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+<h3 class="title"><%= l(:permission_add_issue_watchers) %></h3>
+
+<%= form_tag(watchables.present? ? watchers_path : watchers_append_path,
+             :remote => true,
+             :method => :post,
+             :id => 'new-watcher-form') do %>
+
+  <% if watchables.present? %>
+    <%= hidden_field_tag 'object_type', watchables.first.class.name.underscore %>
+    <% watchables.each do |watchable| %>
+      <%= hidden_field_tag 'object_id[]', watchable.id %>
+    <% end  %>
+  <% end %>
+  <%= hidden_field_tag 'project_id', @project.id if @project %>
+
+  <p><%= label_tag 'user_search', l(:label_user_search) %><%= text_field_tag 'user_search', nil %></p>
+  <%= javascript_tag "observeSearchfield('user_search', 'users_for_watcher', '#{ escape_javascript url_for(:controller => 'watchers',
+                 :action => 'autocomplete_for_user',
+                 :object_type => (watchables.present? ? watchables.first.class.name.underscore : nil),
+                 :object_id => (watchables.present? && watchables.size == 1 ? watchables.first.id : nil),
+                 :project_id => @project) }')" %>
+
+  <div id="users_for_watcher">
+    <%= principals_check_box_tags('watcher[user_ids][]', users) %>
+  </div>
+
+  <p class="buttons">
+    <%= submit_tag l(:button_add), :name => nil, :onclick => "hideModal(this);" %>
+    <%= submit_tag l(:button_cancel), :name => nil, :onclick => "hideModal(this);", :type => 'button' %>
+  </p>
+<% end %>

app/views/watchers/_set_watcher.js.erb

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+<% selector = ".#{watcher_css(watched)}" %>
+$("<%= selector %>").each(function(){$(this).replaceWith("<%= escape_javascript watcher_link(watched, user) %>")});
+$('#watchers').html('<%= escape_javascript(render(:partial => 'watchers/watchers', :locals => {:watched => watched.first})) %>');

app/views/watchers/_watchers.html.erb

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+<% if User.current.allowed_to?(:add_issue_watchers, watched.project) %>
+<div class="contextual">
+<%= link_to l(:button_add),
+      new_watchers_path(:object_type => watched.class.name.underscore, :object_id => watched),
+      :remote => true,
+      :method => 'get' %>
+</div>
+<% end %>
+
+<h3><%= l(:label_issue_watchers) %> (<%= watched.watcher_users.size %>)</h3>
+
+<%= watchers_list(watched) %>

app/views/watchers/append.js.erb

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+<% @users.each do |user| %>
+  $("#issue_watcher_user_ids_<%= user.id %>").remove();
+<% end %>
+$('#watchers_inputs').append('<%= escape_javascript(watchers_checkboxes(nil, @users, true)) %>');

app/views/watchers/autocomplete_for_user.html.erb

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+<%= principals_check_box_tags 'watcher[user_ids][]', @users %>

app/views/watchers/create.js.erb

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+$('#ajax-modal').html('<%= escape_javascript(render(:partial => 'watchers/new', :locals => {:watchables => @watchables, :users => @users})) %>');
+
+<% if @watchables.size == 1 %>
+$('#watchers').html('<%= escape_javascript(render(:partial => 'watchers/watchers', :locals => {:watched => @watchables.first})) %>');
+<% end %>

app/views/watchers/destroy.js.erb

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+<% if @watchables.size == 1 %>
+$('#watchers').html('<%= escape_javascript(render(:partial => 'watchers/watchers', :locals => {:watched => @watchables.first})) %>');
+<% end %>

app/views/watchers/new.js.erb

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+$('#ajax-modal').html('<%= escape_javascript(render :partial => 'watchers/new', :locals => {:watchables => @watchables, :users => @users}) %>');
+showModal('ajax-modal', '400px');
+$('#ajax-modal').addClass('new-watcher');