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path: root/app/views/refinery/shared/admin/_autocomplete.html.erb
blob: 1131f898ab99b41af2d301723fb1effd89a2ce66 (plain) (tree)
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<% content_for :stylesheets, stylesheet_link_tag("refinery/blog/ui-lightness/jquery-ui-1.8.13.custom") %>
<% content_for :javascripts do %>
<script>
  function split(val) {
    return val.split(/,\s*/);
  }
  function extractLast(term) {
    return split(term).pop();
  }
  $(document).ready(function(){
    $('<%= dom_id %>').bind("keydown", function(event) {
      if (event.keyCode === $.ui.keyCode.TAB && $(this).data("autocomplete").menu.active) {
        event.preventDefault()
      }
    }).autocomplete({
      source: function(request, response) {
        $.getJSON("<%= url %>", {
          term: extractLast(request.term)
        }, response);
      },
      search: function() {
        // custom minLength
        var term = extractLast(this.value);
        if (term.length < 2) {
          return false;
        }
      },
      focus: function() {
        // prevent value inserted on focus
        return false;
      },
      select: function(event, ui) {
        var terms = split(this.value);
        // remove the current input
        terms.pop();
        // add the selected item
        terms.push(ui.item.value);
        // add placeholder to get the comma-and-space at the end
        terms.push("");
        this.value = terms.join(", ");
        return false;
      }
    });
  })
</script>
<% end %>