Ext Tree 操作类

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212

var FaceYe = {}; FaceYe.Tree = {     /**     *     *根据URL生成一棵简单的树结构.     */     init: function(id, dataUrl, title)     {         if (Ext.getCmp(id))         {             Ext.getCmp(id).destroy();         }         var containerElId = Ext.id();         Ext.getBody().createChild({             tag: 'div',             id: containerElId         });         var tree = new Ext.tree.TreePanel({             id: id,             el: containerElId,             autoScroll: false,             width: 195,             // title :title,             animate: false,             frame: false,             autoHeight: true,             border: false,             header: false,             enableDD: false,             containerScroll: false,             rootVisible: false,             loader: new Ext.tree.TreeLoader({                 dataUrl: dataUrl             })         });           var root = new Ext.tree.AsyncTreeNode({             text: '根结点',             draggable: false,             id: 'root'         });         tree.on('click', function(node, e)         {             if (!node.isLeaf())             {                 node.toggle();             }         });         tree.setRootNode(root);         return tree;     },     /**     * 取得一个节点的所有子节点 包括本节点     */     getAllChildren: function(node)     {         var children = [];         children.push(node);         if (!node.isLeaf())         {             for (var i = 0; i < node.childNodes.length; i++)             {                 children = children.concat(FaceYe.Tree                         .getAllChildren(node.childNodes[i]));             }         }         return children;     },     /**     * 取得一个节点的所有父节点     *     */     getAllParents: function(node)     {         var parentNodes = [];         parentNodes.push(node);         if (node.parentNode)         {             parentNodes = parentNodes.concat(FaceYe.Tree                     .getAllParents(node.parentNode));         }         return parentNodes;     },     /**     * 取得所有子节点中checked为true的节点(TreeNode) 包括本节点     */     getChecked: function(node)     {         var checked = [];         if (node.getUI().isChecked())         {             checked.push(node);         }         if (!node.isLeaf())         {             for (var i = 0; i < node.childNodes.length; i++)             {                 checked = checked.concat(FaceYe.Tree                         .getChecked(node.childNodes[i]));             }         }           return checked;     },     /**     * 取得所有子节点中checked 为true的节点ID 包括本节点     */     getCheckedIds: function(node)     {         var checked = [];         if (node.getUI().isChecked() || node.attributes.checked)         {             checked.push(node.id);         }         if (!node.isLeaf())         {             for (var i = 0; i < node.childNodes.length; i++)             {                 checked = checked.concat(FaceYe.Tree                         .getCheckedIds(node.childNodes[i]));             }         }           return checked;     },     /**     * 当点击子节点时 将父节点选中     */     checkedParentNodesWhenCheckChild: function(node)     {         var tree = node.getOwnerTree();         tree.suspendEvents();         var allParentNodes = FaceYe.Tree.getAllParents(node);         if (allParentNodes.length > 1)         {             for (var i = 0; i < allParentNodes.length; i++)             {                 if (allParentNodes[i].id != node.id)                 {                     if (!allParentNodes[i].getUI().isChecked())                     {                         allParentNodes[i].getUI().toggleCheck();                     }                 }             }         }         tree.resumeEvents();     },     /**     * 当当前子节点的父节点的所有子节点中 不存在checked=true的子节点时,父节点不被选中     */     unCheckedParents: function(node)     {         if (node.parentNode)         {             var parentNode = node.parentNode;             var allCheckedChildrenNodes = FaceYe.Tree.getChecked(parentNode);             if (allCheckedChildrenNodes.length === 1)             {                 if (parentNode.getUI().isChecked())                 {                     parentNode.getUI().toggleCheck();                     parentNode.attributes.checked = false;                 }             }             if (parentNode.parentNode)             {                 FaceYe.Tree.unCheckedParents(parentNode);             }         }     },     /**     * 当点击父节点时 将其所有子节点选中     */     checkChildren: function(node)     {         var allChildrenNodes = FaceYe.Tree.getAllChildren(node);         if (allChildrenNodes.length > 1)         {             for (var i = 0; i < allChildrenNodes.length; i++)             {                 if (!allChildrenNodes[i].getUI().isChecked())                 {                     allChildrenNodes[i].getUI().toggleCheck();                 }             }         }     },     fireCheckChange: function(node)     {         if (node.getUI().isChecked())         {             FaceYe.Tree.checkChildren(node);             FaceYe.Tree.checkedParentNodesWhenCheckChild(node);         } else         {             // 取得当前节点的所有子节点,包括当前节点             var allChildrenNodes = FaceYe.Tree.getAllChildren(node);             // 如果当前节点的所有子节点中,不存在checked=true的节点,那么将当前节点置为checked=false.             //                      // 如果当前节点有子节点,同时,当前节点checked=false,那么将其所有子节点置为checked=false             for (var i = 0; i < allChildrenNodes.length; i++)             {                 if (allChildrenNodes[i].getUI().isChecked())                 {                     allChildrenNodes[i].getUI().toggleCheck();                 }             }             FaceYe.Tree.unCheckedParents(node);         }     } };