modules/taxonomy_widget/taxonomy_widget.js

// $Id: taxonomy_widget.js,v 1.1 2008/09/30 18:04:13 shannonlucas Exp $

/**
 * @file Provides for the necessary Javascript for the taxonomy_widget module.
 */

/**
 * Handle the vocabulary change event for the taxonomy select widget. The
 * handler queries the taxonomy widget callback with the selected vocabulary
 * ID and populates the term select element with the results.
 *
 * @param object event The select element's change event.
 */
function taxonomyWidgetVocabularyChange(event) {
  var $target     = $(event.target);
  var vid         = $target.val();
  var $termSelect = $target.parent().siblings('div.form-item').children('select.taxonomy-widget-term');
  var term        = $termSelect.val();

  if (vid > 0) {
    // Populate the term select with this vocabulary's terms.
    $.getJSON(event.data.callback + "/" + vid, function(data) {
      var count = 0;

      $termSelect.empty();

      for (var tid in data) {
        found = false;

        // If multiple items are selected, the term value is an array.
        if (term instanceof Array) {
          for (i = 0; i < term.length; i++) {
            if (tid == term[i]) {
              found = true;
              break;
            }
          }
        }
        // Otherwise we can just check for equality.
        else {
          found = (tid == term);
        }

        // Generate the options for the select element.
        if (found) {
          $termSelect.append('<option value="' + tid + '" selected>' + data[tid] + "</option>");
        }
        else {
          $termSelect.append('<option value="' + tid + '">' + data[tid] + "</option>");
        }

        count++;
      }

      // Resize after populating using the same algorithm as Drupal.
      if ($termSelect.attr("multiple") == "multiple") {
        $termSelect.attr("size", Math.min(9, count));
      }
    });
  }
  else {
    $termSelect.html('<option value="0">Select a vocabulary.</option>');
    
    if ($termSelect.attr("multiple") == "multiple") {
      $termSelect.attr("size", 3);
    }
  }
}
1	// $Id: taxonomy_widget.js,v 1.1 2008/09/30 18:04:13 shannonlucas Exp $
2
3	/**
4	* @file Provides for the necessary Javascript for the taxonomy_widget module.
5	*/
6
7	/**
8	* Handle the vocabulary change event for the taxonomy select widget. The
9	* handler queries the taxonomy widget callback with the selected vocabulary
10	* ID and populates the term select element with the results.
11	*
12	* @param object event The select element's change event.
13	*/
14	function taxonomyWidgetVocabularyChange(event) {
15	var $target = $(event.target);
16	var vid = $target.val();
17	var $termSelect = $target.parent().siblings('div.form-item').children('select.taxonomy-widget-term');
18	var term = $termSelect.val();
19
20	if (vid > 0) {
21	// Populate the term select with this vocabulary's terms.
22	$.getJSON(event.data.callback + "/" + vid, function(data) {
23	var count = 0;
24
25	$termSelect.empty();
26
27	for (var tid in data) {
28	found = false;
29
30	// If multiple items are selected, the term value is an array.
31	if (term instanceof Array) {
32	for (i = 0; i < term.length; i++) {
33	if (tid == term[i]) {
34	found = true;
35	break;
36	}
37	}
38	}
39	// Otherwise we can just check for equality.
40	else {
41	found = (tid == term);
42	}
43
44	// Generate the options for the select element.
45	if (found) {
46	$termSelect.append('<option value="' + tid + '" selected>' + data[tid] + "</option>");
47	}
48	else {
49	$termSelect.append('<option value="' + tid + '">' + data[tid] + "</option>");
50	}
51
52	count++;
53	}
54
55	// Resize after populating using the same algorithm as Drupal.
56	if ($termSelect.attr("multiple") == "multiple") {
57	$termSelect.attr("size", Math.min(9, count));
58	}
59	});
60	}
61	else {
62	$termSelect.html('<option value="0">Select a vocabulary.</option>');
63
64	if ($termSelect.attr("multiple") == "multiple") {
65	$termSelect.attr("size", 3);
66	}
67	}
68	}