/django/contrib/admin/media/js/SelectFilter2.js

https://code.google.com/p/mango-py/ · JavaScript · 130 lines · 94 code · 13 blank · 23 comment · 36 complexity · 01340a8affd2285048eb186a5f64c925 MD5 · raw file

  1. /*
  2. SelectFilter2 - Turns a multiple-select box into a filter interface.
  3. Different than SelectFilter because this is coupled to the admin framework.
  4. Requires core.js, SelectBox.js and addevent.js.
  5. */
  6. function findForm(node) {
  7. // returns the node of the form containing the given node
  8. if (node.tagName.toLowerCase() != 'form') {
  9. return findForm(node.parentNode);
  10. }
  11. return node;
  12. }
  13. var SelectFilter = {
  14. init: function(field_id, field_name, is_stacked, admin_media_prefix) {
  15. if (field_id.match(/__prefix__/)){
  16. // Don't intialize on empty forms.
  17. return;
  18. }
  19. var from_box = document.getElementById(field_id);
  20. from_box.id += '_from'; // change its ID
  21. from_box.className = 'filtered';
  22. var ps = from_box.parentNode.getElementsByTagName('p');
  23. for (var i=0; i<ps.length; i++) {
  24. if (ps[i].className.indexOf("info") != -1) {
  25. // Remove <p class="info">, because it just gets in the way.
  26. from_box.parentNode.removeChild(ps[i]);
  27. } else if (ps[i].className.indexOf("help") != -1) {
  28. // Move help text up to the top so it isn't below the select
  29. // boxes or wrapped off on the side to the right of the add
  30. // button:
  31. from_box.parentNode.insertBefore(ps[i], from_box.parentNode.firstChild);
  32. }
  33. }
  34. // <div class="selector"> or <div class="selector stacked">
  35. var selector_div = quickElement('div', from_box.parentNode);
  36. selector_div.className = is_stacked ? 'selector stacked' : 'selector';
  37. // <div class="selector-available">
  38. var selector_available = quickElement('div', selector_div, '');
  39. selector_available.className = 'selector-available';
  40. quickElement('h2', selector_available, interpolate(gettext('Available %s'), [field_name]));
  41. var filter_p = quickElement('p', selector_available, '');
  42. filter_p.className = 'selector-filter';
  43. var search_filter_label = quickElement('label', filter_p, '', 'for', field_id + "_input", 'style', 'width:16px;padding:2px');
  44. var search_selector_img = quickElement('img', search_filter_label, '', 'src', admin_media_prefix + 'img/admin/selector-search.gif');
  45. search_selector_img.alt = gettext("Filter");
  46. filter_p.appendChild(document.createTextNode(' '));
  47. var filter_input = quickElement('input', filter_p, '', 'type', 'text');
  48. filter_input.id = field_id + '_input';
  49. selector_available.appendChild(from_box);
  50. var choose_all = quickElement('a', selector_available, gettext('Choose all'), 'href', 'javascript: (function(){ SelectBox.move_all("' + field_id + '_from", "' + field_id + '_to"); })()');
  51. choose_all.className = 'selector-chooseall';
  52. // <ul class="selector-chooser">
  53. var selector_chooser = quickElement('ul', selector_div, '');
  54. selector_chooser.className = 'selector-chooser';
  55. var add_link = quickElement('a', quickElement('li', selector_chooser, ''), gettext('Add'), 'href', 'javascript: (function(){ SelectBox.move("' + field_id + '_from","' + field_id + '_to");})()');
  56. add_link.className = 'selector-add';
  57. var remove_link = quickElement('a', quickElement('li', selector_chooser, ''), gettext('Remove'), 'href', 'javascript: (function(){ SelectBox.move("' + field_id + '_to","' + field_id + '_from");})()');
  58. remove_link.className = 'selector-remove';
  59. // <div class="selector-chosen">
  60. var selector_chosen = quickElement('div', selector_div, '');
  61. selector_chosen.className = 'selector-chosen';
  62. quickElement('h2', selector_chosen, interpolate(gettext('Chosen %s'), [field_name]));
  63. var selector_filter = quickElement('p', selector_chosen, gettext('Select your choice(s) and click '));
  64. selector_filter.className = 'selector-filter';
  65. quickElement('img', selector_filter, '', 'src', admin_media_prefix + (is_stacked ? 'img/admin/selector_stacked-add.gif':'img/admin/selector-add.gif'), 'alt', 'Add');
  66. var to_box = quickElement('select', selector_chosen, '', 'id', field_id + '_to', 'multiple', 'multiple', 'size', from_box.size, 'name', from_box.getAttribute('name'));
  67. to_box.className = 'filtered';
  68. var clear_all = quickElement('a', selector_chosen, gettext('Clear all'), 'href', 'javascript: (function() { SelectBox.move_all("' + field_id + '_to", "' + field_id + '_from");})()');
  69. clear_all.className = 'selector-clearall';
  70. from_box.setAttribute('name', from_box.getAttribute('name') + '_old');
  71. // Set up the JavaScript event handlers for the select box filter interface
  72. addEvent(filter_input, 'keyup', function(e) { SelectFilter.filter_key_up(e, field_id); });
  73. addEvent(filter_input, 'keydown', function(e) { SelectFilter.filter_key_down(e, field_id); });
  74. addEvent(from_box, 'dblclick', function() { SelectBox.move(field_id + '_from', field_id + '_to'); });
  75. addEvent(to_box, 'dblclick', function() { SelectBox.move(field_id + '_to', field_id + '_from'); });
  76. addEvent(findForm(from_box), 'submit', function() { SelectBox.select_all(field_id + '_to'); });
  77. SelectBox.init(field_id + '_from');
  78. SelectBox.init(field_id + '_to');
  79. // Move selected from_box options to to_box
  80. SelectBox.move(field_id + '_from', field_id + '_to');
  81. },
  82. filter_key_up: function(event, field_id) {
  83. from = document.getElementById(field_id + '_from');
  84. // don't submit form if user pressed Enter
  85. if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)) {
  86. from.selectedIndex = 0;
  87. SelectBox.move(field_id + '_from', field_id + '_to');
  88. from.selectedIndex = 0;
  89. return false;
  90. }
  91. var temp = from.selectedIndex;
  92. SelectBox.filter(field_id + '_from', document.getElementById(field_id + '_input').value);
  93. from.selectedIndex = temp;
  94. return true;
  95. },
  96. filter_key_down: function(event, field_id) {
  97. from = document.getElementById(field_id + '_from');
  98. // right arrow -- move across
  99. if ((event.which && event.which == 39) || (event.keyCode && event.keyCode == 39)) {
  100. var old_index = from.selectedIndex;
  101. SelectBox.move(field_id + '_from', field_id + '_to');
  102. from.selectedIndex = (old_index == from.length) ? from.length - 1 : old_index;
  103. return false;
  104. }
  105. // down arrow -- wrap around
  106. if ((event.which && event.which == 40) || (event.keyCode && event.keyCode == 40)) {
  107. from.selectedIndex = (from.length == from.selectedIndex + 1) ? 0 : from.selectedIndex + 1;
  108. }
  109. // up arrow -- wrap around
  110. if ((event.which && event.which == 38) || (event.keyCode && event.keyCode == 38)) {
  111. from.selectedIndex = (from.selectedIndex == 0) ? from.length - 1 : from.selectedIndex - 1;
  112. }
  113. return true;
  114. }
  115. }