/** * jQuery Tree Control * @author Maxim Vasiliev */(function($){var CLASS_JQUERY_TREE = 'jquery-tree';var CLASS_JQUERY_TREE_CONTROLS = 'jquery-tree-controls';var CLASS_JQUERY_TREE_COLLAPSE_ALL = 'jquery-tree-collapseall';var CLASS_JQUERY_TREE_EXPAND_ALL = 'jquery-tree-expandall';var CLASS_JQUERY_TREE_COLLAPSED = 'jquery-tree-collapsed';var CLASS_JQUERY_TREE_HANDLE = 'jquery-tree-handle';var CLASS_JQUERY_TREE_TITLE = 'jquery-tree-title';var CLASS_JQUERY_TREE_NODE = 'jquery-tree-node';var CLASS_JQUERY_TREE_LEAF = 'jquery-tree-leaf';var CLASS_JQUERY_TREE_CHECKED = 'jquery-tree-checked';var CLASS_JQUERY_TREE_UNCHECKED = 'jquery-tree-unchecked';var CLASS_JQUERY_TREE_CHECKED_PARTIAL = 'jquery-tree-checked-partial';var COLLAPSE_ALL_CODE = '<span class="' + CLASS_JQUERY_TREE_COLLAPSE_ALL + '"></span>';var EXPAND_ALL_CODE = '<span class="' + CLASS_JQUERY_TREE_EXPAND_ALL + '"></span>';var TREE_CONTROLS_CODE = '<div class="' + CLASS_JQUERY_TREE_CONTROLS + '">' +COLLAPSE_ALL_CODE +EXPAND_ALL_CODE +'</div>';var TREE_NODE_HANDLE_CODE = '<span class="' + CLASS_JQUERY_TREE_HANDLE + '">+</span>';var TREE_NODE_HANDLE_COLLAPSED = "+";var TREE_NODE_HANDLE_EXPANDED = "&minus;";$.fn.extend({Tree: function(){$(this).addClass(CLASS_JQUERY_TREE).before(TREE_CONTROLS_CODE).prev('.' + CLASS_JQUERY_TREE_CONTROLS).find('.' + CLASS_JQUERY_TREE_COLLAPSE_ALL).click(function(){$(this).parent().next('.' + CLASS_JQUERY_TREE).find('li:has(ul)').addClass(CLASS_JQUERY_TREE_COLLAPSED).find('.' + CLASS_JQUERY_TREE_HANDLE).html(TREE_NODE_HANDLE_COLLAPSED);}).parent('.' + CLASS_JQUERY_TREE_CONTROLS).find('.' + CLASS_JQUERY_TREE_EXPAND_ALL).click(function(){$(this).parent().next('.' + CLASS_JQUERY_TREE).find('li:has(ul)').removeClass(CLASS_JQUERY_TREE_COLLAPSED).find('.' + CLASS_JQUERY_TREE_HANDLE).html(TREE_NODE_HANDLE_EXPANDED);});$('li', this).find(':first').addClass(CLASS_JQUERY_TREE_TITLE).closest('li').addClass(CLASS_JQUERY_TREE_LEAF);$('li:has(ul:has(li))', this).find(':first').before(TREE_NODE_HANDLE_CODE).closest('li').addClass(CLASS_JQUERY_TREE_NODE).addClass(CLASS_JQUERY_TREE_COLLAPSED).removeClass(CLASS_JQUERY_TREE_LEAF);$('.' + CLASS_JQUERY_TREE_HANDLE, this).bind('click', function(){var leafContainer = $(this).parent('li');var leafHandle = leafContainer.find('>.' + CLASS_JQUERY_TREE_HANDLE);leafContainer.toggleClass(CLASS_JQUERY_TREE_COLLAPSED);if (leafContainer.hasClass(CLASS_JQUERY_TREE_COLLAPSED))leafHandle.html(TREE_NODE_HANDLE_COLLAPSED);else leafHandle.html(TREE_NODE_HANDLE_EXPANDED);});$('input:checkbox', this).click(function(){setLabelClass(this);checkCheckbox(this);}).each(function(){setLabelClass(this);if (this.checked)checkParentCheckboxes(this);}).closest('label').click(function(){labelClick(this);checkCheckbox($('input:checkbox', this));});}});function checkParentCheckboxes(checkboxElement){if (typeof checkboxElement == 'undefined' || !checkboxElement)return;var closestNode = $(checkboxElement).closest('ul');var allCheckboxes = closestNode.find('input:checkbox');var checkedCheckboxes = closestNode.find('input:checkbox:checked');var allChecked = allCheckboxes.length == checkedCheckboxes.length;var parentCheckbox = closestNode.closest('li').find('>.' + CLASS_JQUERY_TREE_TITLE + ' input:checkbox');if(parentCheckbox.length > 0){parentCheckbox.get(0).checked = allChecked;if (!allChecked && checkedCheckboxes.length > 0)parentCheckbox.closest('label').addClass(CLASS_JQUERY_TREE_CHECKED_PARTIAL).removeClass(CLASS_JQUERY_TREE_CHECKED).removeClass(CLASS_JQUERY_TREE_UNCHECKED);else if (allChecked)parentCheckbox.closest('label').removeClass(CLASS_JQUERY_TREE_CHECKED_PARTIAL).removeClass(CLASS_JQUERY_TREE_UNCHECKED).addClass(CLASS_JQUERY_TREE_CHECKED);else parentCheckbox.closest('label').removeClass(CLASS_JQUERY_TREE_CHECKED_PARTIAL).removeClass(CLASS_JQUERY_TREE_CHECKED).addClass(CLASS_JQUERY_TREE_UNCHECKED);checkParentCheckboxes(parentCheckbox.get(0));}}function checkCheckbox(checkboxElement){$(checkboxElement).closest('li').find('input:checkbox').each(function(){this.checked = $(checkboxElement).attr('checked');setLabelClass(this);});checkParentCheckboxes(checkboxElement);};function setLabelClass(checkboxElement){isChecked = $(checkboxElement).attr('checked');if(isChecked){$(checkboxElement).closest('label').addClass(CLASS_JQUERY_TREE_CHECKED).removeClass(CLASS_JQUERY_TREE_UNCHECKED).removeClass(CLASS_JQUERY_TREE_CHECKED_PARTIAL);}else{$(checkboxElement).closest('label').addClass(CLASS_JQUERY_TREE_UNCHECKED).removeClass(CLASS_JQUERY_TREE_CHECKED).removeClass(CLASS_JQUERY_TREE_CHECKED_PARTIAL);}};function labelClick(labelElement){var checkbox = $('input:checkbox', labelElement);var checked = checkbox.attr('checked');checkbox.attr('checked', !checked);setLabelClass(checkbox);}})(jQuery);