用javascript实现的TreeTable, 可以当做树(Tree)用
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这个TreeTable,如果只有一列的话,就是常用的Tree控件了
这是我写的TreeTable.js文件
默认TableTree.css文件
------------------------------------------------------
以下是此TreeTable的应用实例:
首先,我们需要一个JSON文件来做模型,这个JSON文件需要是很规范的,而且有层级关系
JSON文件(TreeTableTest.json)的内容如下:
测试用的HTML文件(TreeTableTest.html)的代码如下:
因为测试用的代码不想把json对象hardcode到js文件中,所以使用了ajax去读取json对象,引入了jquery的代码,也可以用其它的ajax框架,或直接用xmlRequest对象。
测试用的JS文件(TreeTableTest.js)代码:
目前TreeTable支持每个单元格的css, style和icon的定制,且方法极其简单。对于列和单元格中的数据展示都可以定制,很灵活。
需要的css文件(TestTreeTable.css)代码如下:
以后装要完成的需求:
1.基于Javascript实现
2.支持通过程序控制的方式来实现动态的修改节点
3.支持展开,收缩等等标准操作
4.支持异步加载数据的方式
5.在编程控制方面,完成基本的设置(Javascript文件的引用或者css中behavior的声明)之后就可以基于对象的控制
扩展性
6.支持拖动
7.支持自定义右键菜单
7.在frame布局中支持target方式的自动链接
8.支持tooltip
这是我写的TreeTable.js文件
- var _treeTableIcons = {};
- // 树结点是否有竖线,因为如果有竖线的话,行高过高,线就不能连在一起,很难看,最好像windows的资源管理器一样,不要添加结点之间的连线。默认也是不添加连线的
- var showLine = false;
- if (showLine) {
- _treeTableIcons['empty'] = 'images/empty.gif';
- _treeTableIcons['folder'] = 'images/folder.gif';
- _treeTableIcons['folderopen'] = 'images/folderopen.gif';
- _treeTableIcons['join'] = 'images/join.gif';
- _treeTableIcons['joinbottom'] = 'images/joinbottom.gif';
- _treeTableIcons['line'] = 'images/line.gif';
- _treeTableIcons['minus'] = 'images/minus.gif';
- _treeTableIcons['minusbottom'] = 'images/minusbottom.gif';
- _treeTableIcons['nolines_minus'] = 'images/nolines_minus.gif';
- _treeTableIcons['nolines_plus'] = 'images/nolines_plus.gif';
- _treeTableIcons['page'] = 'images/page.gif';
- _treeTableIcons['plus'] = 'images/plus.gif';
- _treeTableIcons['plusbottom'] = 'images/plusbottom.gif';
- } else {
- _treeTableIcons['empty'] = 'images/empty.gif';
- _treeTableIcons['folder'] = 'images/folder.gif';
- _treeTableIcons['folderopen'] = 'images/folderopen.gif';
- _treeTableIcons['join'] = 'images/empty.gif';
- _treeTableIcons['joinbottom'] = 'images/empty.gif';
- _treeTableIcons['line'] = 'images/empty.gif';
- _treeTableIcons['minus'] = 'images/nolines_minus.gif';
- _treeTableIcons['minusbottom'] = 'images/nolines_minus.gif';
- _treeTableIcons['nolines_minus'] = 'images/nolines_minus.gif';
- _treeTableIcons['nolines_plus'] = 'images/nolines_plus.gif';
- _treeTableIcons['page'] = 'images/page.gif';
- _treeTableIcons['plus'] = 'images/nolines_plus.gif';
- _treeTableIcons['plusbottom'] = 'images/nolines_plus.gif';
- }
- function TreeTable(layout, model, divId, id) {
- this.divId = divId;
- this.mapping = {};
- this.model = model;
- this.layout = layout;
- this.addNode = _addNode;
- this.startup = _startup;
- this.setRoot = _setRoot;
- this.getRoot = _getRoot;
- this.expandNode = _expandNode;
- this.expandAll = _expandAll;
- TreeTable.prototype.instants[this.id = id ? id : TreeTable.prototype._treeIdPrefix + TreeTable.prototype.index++] = this;
- }
- function TreeNode(item) {
- this.item = item;
- this.nodes = [];
- }
- TreeTable.prototype._treeIdPrefix = 'treeTable_';
- TreeTable.prototype.instants = {};
- TreeTable.prototype.index = 0;
- TreeNode.prototype.index = 0;
- function _addNode(parentNode, childNode) {
- if (parentNode) {
- childNode.parentId = parentNode.id;
- childNode.id = parentNode.id + '_' + TreeNode.prototype.index++;
- parentNode.nodes[parentNode.nodes.length] = childNode;
- childNode.parent = parentNode;
- } else {
- childNode.id = this.id + '_' + TreeNode.prototype.index++;
- }
- childNode.isOpened = true;
- this.mapping[childNode.id]=childNode;
- }
- function _getRoot() {
- return this.rootNode;
- }
- function _setRoot(rootNode) {
- this.addNode(null, rootNode);
- this.rootNode = rootNode;
- }
- function _startup() {
- if (this.layout && this.layout.constructor == Array && this.layout.length > 0) {
- _makeupNodes(this);
- var tableHeaderStr = '<thead class="treeTableHeader"><tr>';
- for (var i = 0; i < layout.length; i++) {
- var headerClass = this.layout[i].headerClass ? ' class="' + this.layout[i].headerClass + '"' : '';
- tableHeaderStr += '<td' + headerClass + '>' + this.layout[i].name + '</td>';
- }
- tableHeaderStr += '</tr></thead>';
- var tableStr = '<table id="' + this.id + '" class="treeTable">' + tableHeaderStr + _makeupHTML(this, this.layout, this.getRoot(), this.getRoot(), -1, -1, '') + '</table>';
- document.getElementById(this.divId).innerHTML = tableStr;
- }
- }
- function _makeupNodes(treeTable) {
- var model = treeTable.model;
- var jsonStore = model.store;
- if (jsonStore) {
- var childrenAttrs = model.childrenAttrs;
- _traverseModel(treeTable, null, jsonStore, childrenAttrs);
- }
- }
- function _traverseModel(treeTable, parentNode, item, childrenAttrs) {
- if (item) {
- var treeNode = new TreeNode(item);
- treeTable.addNode(parentNode, treeNode);
- var children = item[childrenAttrs];
- if (children && children.constructor == Array) {
- for ( var i = 0; i < children.length; i++) {
- _traverseModel(treeTable, treeNode, children[i], childrenAttrs);
- }
- }
- if (!parentNode) {
- treeTable.setRoot(treeNode);
- }
- }
- }
- function _makeupHTML(treeTable, layout, rootNode, treeNode, index, count, indent) {
- var htmlStr = '';
- if (treeNode && treeNode.item) {
- var isFolderNode = (treeNode.nodes.length > 0);
- htmlStr = '<tr id="' + treeNode.id + '" class="treeTableRow">\n';
- for (var colIdx = 0; colIdx < layout.length; colIdx++) {
- var tdText = layout[colIdx].get ? layout[colIdx].get(treeNode.item, colIdx, treeNode, treeTable) : _get(treeNode.item, colIdx, treeNode, treeTable);
- var className = layout[colIdx].className;
- var style = layout[colIdx].style;
- var icon = layout[colIdx].getIcon ? layout[colIdx].getIcon(treeNode.item, colIdx, treeNode, true, treeTable) : _getIcon(treeNode.item, colIdx, treeNode, true, treeTable);
- var iconElement = '';
- if (icon && icon != '') {
- iconElement = '<img src="' + icon + '" style="vertical-align: middle" alt="" />';
- }
- if (colIdx == 0){
- var imageStr = '';
- var eventStr = '';
- if (isFolderNode) {
- eventStr = isFolderNode ? ' id="folder_' + treeNode.id + '" onclick="javascript:handleNodeClick(event)"' : '';
- }
- if (index == count - 1) {
- imageStr = _treeTableIcons[isFolderNode ? 'minusbottom' : 'joinbottom'];
- } else {
- imageStr = _treeTableIcons[isFolderNode ? (treeNode == rootNode ? 'nolines_minus' : 'minus') : 'join'];
- }
- tdText = indent + '<img src="' + imageStr + '" style="vertical-align: middle" alt="" ' + eventStr + ' />' + iconElement + tdText;
- } else {
- tdText = iconElement + tdText;
- }
- htmlStr += ' <td class="treeTableCell' + (className ? ' ' + className : '') + '" ' + (style ? 'style="' + style + '" ' : '') + '>' + tdText + '</td>\n';
- }
- htmlStr += '</tr>\n';
- for (var i = 0; i < treeNode.nodes.length; i++) {
- var nextIndent = indent + ((index != -1 && index != count - 1) ? '<img src="' + _treeTableIcons['line'] + '" style="vertical-align: middle" alt="" />' : '<img src="' + _treeTableIcons['empty'] + '" style="vertical-align: middle" alt="" />');
- htmlStr += _makeupHTML(treeTable, layout, rootNode, treeNode.nodes[i], i, treeNode.nodes.length, nextIndent);
- }
- }
- return htmlStr;
- }
- function _get(item, column, treeNode, treeTable) {
- var layout = treeTable.layout;
- return treeNode.item[layout[column].field];
- }
- function _getIcon(item, column, treeNode, isOpened, tableTree) {
- if (column == 0) {
- if (treeNode.nodes.length > 0) {
- return _treeTableIcons[isOpened ? 'folderopen' : 'folder'];
- } else {
- return _treeTableIcons['page'];
- }
- }
- return '';
- }
- function _expandNode(treeNode, isOpened) {
- _expand(this, treeNode, isOpened, false);
- }
- function _expandAll(isOpened) {
- var rootNode = this.getRoot();
- if (rootNode) {
- _expand(this, rootNode, isOpened, true);
- }
- }
- function _expand(treeTable, treeNode, isOpened, isOpenAll) {
- if (!treeNode) {
- return;
- }
- var subTreeNodes = treeNode.nodes;
- if (subTreeNodes && subTreeNodes.length > 0) {
- var source = document.getElementById('folder_' + treeNode.id);
- var trNode = source.parentNode.parentNode;
- var folderNode = source.nextSibling;
- var itemId = trNode.id;
- var parentNode = source.parentNode;
- while (parentNode.tagName.toLowerCase() != 'table') {
- parentNode = parentNode.parentNode;
- }
- folderNode.setAttribute('src', _treeTableIcons[isOpened ? 'folderopen' : 'folder']);
- var isRootNode = treeNode == treeTable.getRoot();
- if (isRootNode) {
- source.setAttribute('src', _treeTableIcons[isOpened ? 'nolines_minus' : 'nolines_plus']);
- } else {
- var isLastTreeNode = treeNode.parent.nodes[treeNode.parent.nodes.length - 1] == treeNode ? true : false;
- if (isLastTreeNode) {
- source.setAttribute('src', _treeTableIcons[isOpened ? 'minusbottom' : 'plusbottom']);
- } else {
- source.setAttribute('src', _treeTableIcons[isOpened ? 'minus' : 'plus']);
- }
- }
- for (var i = 0; i < subTreeNodes.length; i++) {
- var subTreeNode = subTreeNodes[i];
- var subTrNode = document.getElementById(subTreeNode.id);
- if (subTrNode) {
- subTrNode.style.display = isOpened ? 'table-row' : 'none';
- }
- if (!isOpenAll && isOpened && !subTreeNode.isOpened) {
- continue;
- }
- if (isOpenAll) {
- treeNode.isOpened = isOpened;
- }
- _expand(treeTable, subTreeNode, isOpened, isOpenAll);
- }
- }
- }
- function handleNodeClick(event) {
- var source = event.currentTarget || event.srcElement;
- var trNode = source.parentNode.parentNode;
- var itemId = trNode.id;
- var parentNode = source.parentNode;
- while (parentNode.tagName.toLowerCase() != 'table') {
- parentNode = parentNode.parentNode;
- }
- var treeTable = TreeTable.prototype.instants[parentNode.id];
- var treeNode = treeTable.mapping[itemId];
- var isOpened = treeNode.isOpened;
- treeTable.expandNode(treeNode, !isOpened);
- treeNode.isOpened = !isOpened;
- }
var _treeTableIcons = {};// 树结点是否有竖线,因为如果有竖线的话,行高过高,线就不能连在一起,很难看,最好像windows的资源管理器一样,不要添加结点之间的连线。默认也是不添加连线的var showLine = false;if (showLine) {_treeTableIcons['empty'] = 'images/empty.gif';_treeTableIcons['folder'] = 'images/folder.gif';_treeTableIcons['folderopen'] = 'images/folderopen.gif';_treeTableIcons['join'] = 'images/join.gif';_treeTableIcons['joinbottom'] = 'images/joinbottom.gif';_treeTableIcons['line'] = 'images/line.gif';_treeTableIcons['minus'] = 'images/minus.gif';_treeTableIcons['minusbottom'] = 'images/minusbottom.gif';_treeTableIcons['nolines_minus'] = 'images/nolines_minus.gif';_treeTableIcons['nolines_plus'] = 'images/nolines_plus.gif';_treeTableIcons['page'] = 'images/page.gif';_treeTableIcons['plus'] = 'images/plus.gif';_treeTableIcons['plusbottom'] = 'images/plusbottom.gif';} else {_treeTableIcons['empty'] = 'images/empty.gif';_treeTableIcons['folder'] = 'images/folder.gif';_treeTableIcons['folderopen'] = 'images/folderopen.gif';_treeTableIcons['join'] = 'images/empty.gif';_treeTableIcons['joinbottom'] = 'images/empty.gif';_treeTableIcons['line'] = 'images/empty.gif';_treeTableIcons['minus'] = 'images/nolines_minus.gif';_treeTableIcons['minusbottom'] = 'images/nolines_minus.gif';_treeTableIcons['nolines_minus'] = 'images/nolines_minus.gif';_treeTableIcons['nolines_plus'] = 'images/nolines_plus.gif';_treeTableIcons['page'] = 'images/page.gif';_treeTableIcons['plus'] = 'images/nolines_plus.gif';_treeTableIcons['plusbottom'] = 'images/nolines_plus.gif';}function TreeTable(layout, model, divId, id) {this.divId = divId;this.mapping = {};this.model = model;this.layout = layout;this.addNode = _addNode;this.startup = _startup;this.setRoot = _setRoot;this.getRoot = _getRoot;this.expandNode = _expandNode;this.expandAll = _expandAll;TreeTable.prototype.instants[this.id = id ? id : TreeTable.prototype._treeIdPrefix + TreeTable.prototype.index++] = this;}function TreeNode(item) {this.item = item;this.nodes = [];}TreeTable.prototype._treeIdPrefix = 'treeTable_';TreeTable.prototype.instants = {};TreeTable.prototype.index = 0;TreeNode.prototype.index = 0;function _addNode(parentNode, childNode) {if (parentNode) {childNode.parentId = parentNode.id;childNode.id = parentNode.id + '_' + TreeNode.prototype.index++;parentNode.nodes[parentNode.nodes.length] = childNode;childNode.parent = parentNode;} else {childNode.id = this.id + '_' + TreeNode.prototype.index++;}childNode.isOpened = true;this.mapping[childNode.id]=childNode;}function _getRoot() {return this.rootNode;}function _setRoot(rootNode) {this.addNode(null, rootNode);this.rootNode = rootNode;}function _startup() {if (this.layout && this.layout.constructor == Array && this.layout.length > 0) {_makeupNodes(this);var tableHeaderStr = '<thead class="treeTableHeader"><tr>';for (var i = 0; i < layout.length; i++) {var headerClass = this.layout[i].headerClass ? ' class="' + this.layout[i].headerClass + '"' : '';tableHeaderStr += '<td' + headerClass + '>' + this.layout[i].name + '</td>';}tableHeaderStr += '</tr></thead>';var tableStr = '<table id="' + this.id + '" class="treeTable">' + tableHeaderStr + _makeupHTML(this, this.layout, this.getRoot(), this.getRoot(), -1, -1, '') + '</table>';document.getElementById(this.divId).innerHTML = tableStr;}}function _makeupNodes(treeTable) {var model = treeTable.model;var jsonStore = model.store;if (jsonStore) {var childrenAttrs = model.childrenAttrs;_traverseModel(treeTable, null, jsonStore, childrenAttrs);}}function _traverseModel(treeTable, parentNode, item, childrenAttrs) {if (item) {var treeNode = new TreeNode(item);treeTable.addNode(parentNode, treeNode);var children = item[childrenAttrs];if (children && children.constructor == Array) {for ( var i = 0; i < children.length; i++) {_traverseModel(treeTable, treeNode, children[i], childrenAttrs);}}if (!parentNode) {treeTable.setRoot(treeNode);}}}function _makeupHTML(treeTable, layout, rootNode, treeNode, index, count, indent) {var htmlStr = '';if (treeNode && treeNode.item) {var isFolderNode = (treeNode.nodes.length > 0);htmlStr = '<tr id="' + treeNode.id + '" class="treeTableRow">\n';for (var colIdx = 0; colIdx < layout.length; colIdx++) {var tdText = layout[colIdx].get ? layout[colIdx].get(treeNode.item, colIdx, treeNode, treeTable) : _get(treeNode.item, colIdx, treeNode, treeTable);var className = layout[colIdx].className;var style = layout[colIdx].style;var icon = layout[colIdx].getIcon ? layout[colIdx].getIcon(treeNode.item, colIdx, treeNode, true, treeTable) : _getIcon(treeNode.item, colIdx, treeNode, true, treeTable);var iconElement = '';if (icon && icon != '') {iconElement = '<img src="' + icon + '" style="vertical-align: middle" alt="" />';}if (colIdx == 0){var imageStr = '';var eventStr = '';if (isFolderNode) {eventStr = isFolderNode ? ' id="folder_' + treeNode.id + '" onclick="javascript:handleNodeClick(event)"' : '';}if (index == count - 1) {imageStr = _treeTableIcons[isFolderNode ? 'minusbottom' : 'joinbottom'];} else {imageStr = _treeTableIcons[isFolderNode ? (treeNode == rootNode ? 'nolines_minus' : 'minus') : 'join'];}tdText = indent + '<img src="' + imageStr + '" style="vertical-align: middle" alt="" ' + eventStr + ' />' + iconElement + tdText;} else {tdText = iconElement + tdText;}htmlStr += ' <td class="treeTableCell' + (className ? ' ' + className : '') + '" ' + (style ? 'style="' + style + '" ' : '') + '>' + tdText + '</td>\n';}htmlStr += '</tr>\n';for (var i = 0; i < treeNode.nodes.length; i++) {var nextIndent = indent + ((index != -1 && index != count - 1) ? '<img src="' + _treeTableIcons['line'] + '" style="vertical-align: middle" alt="" />' : '<img src="' + _treeTableIcons['empty'] + '" style="vertical-align: middle" alt="" />');htmlStr += _makeupHTML(treeTable, layout, rootNode, treeNode.nodes[i], i, treeNode.nodes.length, nextIndent);}}return htmlStr;}function _get(item, column, treeNode, treeTable) {var layout = treeTable.layout;return treeNode.item[layout[column].field];}function _getIcon(item, column, treeNode, isOpened, tableTree) {if (column == 0) {if (treeNode.nodes.length > 0) {return _treeTableIcons[isOpened ? 'folderopen' : 'folder'];} else {return _treeTableIcons['page'];}}return '';}function _expandNode(treeNode, isOpened) {_expand(this, treeNode, isOpened, false);}function _expandAll(isOpened) {var rootNode = this.getRoot();if (rootNode) {_expand(this, rootNode, isOpened, true);}}function _expand(treeTable, treeNode, isOpened, isOpenAll) {if (!treeNode) {return;}var subTreeNodes = treeNode.nodes;if (subTreeNodes && subTreeNodes.length > 0) {var source = document.getElementById('folder_' + treeNode.id);var trNode = source.parentNode.parentNode;var folderNode = source.nextSibling;var itemId = trNode.id;var parentNode = source.parentNode;while (parentNode.tagName.toLowerCase() != 'table') {parentNode = parentNode.parentNode;}folderNode.setAttribute('src', _treeTableIcons[isOpened ? 'folderopen' : 'folder']);var isRootNode = treeNode == treeTable.getRoot();if (isRootNode) {source.setAttribute('src', _treeTableIcons[isOpened ? 'nolines_minus' : 'nolines_plus']);} else {var isLastTreeNode = treeNode.parent.nodes[treeNode.parent.nodes.length - 1] == treeNode ? true : false;if (isLastTreeNode) {source.setAttribute('src', _treeTableIcons[isOpened ? 'minusbottom' : 'plusbottom']);} else {source.setAttribute('src', _treeTableIcons[isOpened ? 'minus' : 'plus']);}}for (var i = 0; i < subTreeNodes.length; i++) {var subTreeNode = subTreeNodes[i];var subTrNode = document.getElementById(subTreeNode.id);if (subTrNode) {subTrNode.style.display = isOpened ? 'table-row' : 'none';}if (!isOpenAll && isOpened && !subTreeNode.isOpened) {continue;}if (isOpenAll) {treeNode.isOpened = isOpened;}_expand(treeTable, subTreeNode, isOpened, isOpenAll);}}}function handleNodeClick(event) {var source = event.currentTarget || event.srcElement;var trNode = source.parentNode.parentNode;var itemId = trNode.id;var parentNode = source.parentNode;while (parentNode.tagName.toLowerCase() != 'table') {parentNode = parentNode.parentNode;}var treeTable = TreeTable.prototype.instants[parentNode.id];var treeNode = treeTable.mapping[itemId];var isOpened = treeNode.isOpened;treeTable.expandNode(treeNode, !isOpened);treeNode.isOpened = !isOpened;}
默认TableTree.css文件
- .treeTable {
- width: 100%;
- border-collapse: collapse;
- border: solid 1px #e8e8e8;
- }
- .treeTableHeader {
- }
- .treeTableHeader td {
- height: 20px;
- line-height: 20px;
- font-size: 12px;
- font-weight: bold;
- text-align: center;
- }
- .treeTableRow {
- margin: 0;
- padding: 0;
- }
- .treeTableCell {
- height: 25px;
- line-height: 25px;
- font-size: 11px;
- font-weight: bold;
- margin: 0;
- padding: 0;
- border: solid 1px #e8e8e8;
- }
.treeTable {width: 100%;border-collapse: collapse;border: solid 1px #e8e8e8;}.treeTableHeader {}.treeTableHeader td {height: 20px;line-height: 20px;font-size: 12px;font-weight: bold;text-align: center;}.treeTableRow {margin: 0;padding: 0;}.treeTableCell {height: 25px;line-height: 25px;font-size: 11px;font-weight: bold;margin: 0;padding: 0;border: solid 1px #e8e8e8;}
------------------------------------------------------
以下是此TreeTable的应用实例:
首先,我们需要一个JSON文件来做模型,这个JSON文件需要是很规范的,而且有层级关系
JSON文件(TreeTableTest.json)的内容如下:
- {
- id: 'root',
- name: 'root_node',
- value: 'root_value',
- children: [
- {
- id: 'node_0',
- name: 'node_0_name',
- value: 'node_0_value',
- children: [
- {
- id: 'node_0_0',
- name: 'node_0_0_name',
- value: 'node_0_0_value',
- children: [
- {
- id: 'node_0_0',
- name: 'node_0_0_name',
- value: 'node_0_0_value',
- children: [
- {
- id: 'node_0_0_0',
- name: 'node_0_0_0_name',
- value: 'node_0_0_0_value',
- },
- {
- id: 'node_0_0_1',
- name: 'node_0_0_1_name',
- value: 'node_0_0_1_value',
- }
- ]
- },
- {
- id: 'node_0_1',
- name: 'node_0_1_name',
- value: 'node_0_1_value',
- children: [
- {
- id: 'node_0_1_0',
- name: 'node_0_1_0_name',
- value: 'node_0_1_0_value',
- },
- {
- id: 'node_0_1_1',
- name: 'node_0_1_1_name',
- value: 'node_0_1_1_value',
- }
- ]
- }
- ]
- }
- ]
- },
- {
- id: 'node_1',
- name: 'node_1_name',
- value: 'node_1_value',
- children: [
- {
- id: 'node_1_0',
- name: 'node_1_0_name',
- value: 'node_1_0_value',
- children: [
- {
- id: 'node_1_0',
- name: 'node_1_0_name',
- value: 'node_1_0_value',
- children: [
- {
- id: 'node_1_0_0',
- name: 'node_1_0_0_name',
- value: 'node_1_0_0_value',
- },
- {
- id: 'node_1_0_1',
- name: 'node_1_0_1_name',
- value: 'node_1_0_1_value',
- }
- ]
- },
- {
- id: 'node_1_1',
- name: 'node_1_1_name',
- value: 'node_1_1_value',
- children: [
- {
- id: 'node_1_1_0',
- name: 'node_1_1_0_name',
- value: 'node_1_1_0_value',
- },
- {
- id: 'node_1_1_1',
- name: 'node_1_1_1_name',
- value: 'node_1_1_1_value',
- }
- ]
- }
- ]
- }
- ]
- }
- ]
- }
{id: 'root',name: 'root_node',value: 'root_value',children: [{id: 'node_0',name: 'node_0_name',value: 'node_0_value',children: [{id: 'node_0_0',name: 'node_0_0_name',value: 'node_0_0_value',children: [{id: 'node_0_0',name: 'node_0_0_name',value: 'node_0_0_value',children: [{id: 'node_0_0_0',name: 'node_0_0_0_name',value: 'node_0_0_0_value',},{id: 'node_0_0_1',name: 'node_0_0_1_name',value: 'node_0_0_1_value',}]},{id: 'node_0_1',name: 'node_0_1_name',value: 'node_0_1_value',children: [{id: 'node_0_1_0',name: 'node_0_1_0_name',value: 'node_0_1_0_value',},{id: 'node_0_1_1',name: 'node_0_1_1_name',value: 'node_0_1_1_value',}]}]}]},{id: 'node_1',name: 'node_1_name',value: 'node_1_value',children: [{id: 'node_1_0',name: 'node_1_0_name',value: 'node_1_0_value',children: [{id: 'node_1_0',name: 'node_1_0_name',value: 'node_1_0_value',children: [{id: 'node_1_0_0',name: 'node_1_0_0_name',value: 'node_1_0_0_value',},{id: 'node_1_0_1',name: 'node_1_0_1_name',value: 'node_1_0_1_value',}]},{id: 'node_1_1',name: 'node_1_1_name',value: 'node_1_1_value',children: [{id: 'node_1_1_0',name: 'node_1_1_0_name',value: 'node_1_1_0_value',},{id: 'node_1_1_1',name: 'node_1_1_1_name',value: 'node_1_1_1_value',}]}]}]}]}
测试用的HTML文件(TreeTableTest.html)的代码如下:
- <html>
- <head>
- <title>Tree Table Test</title>
- <link rel="stylesheet" type="text/css" href="styles/TreeTable.css" />
- <link rel="stylesheet" type="text/css" href="styles/TreeTableTest.css" />
- <script type="text/javascript" src="js/TreeTable.js"></script>
- <script type="text/javascript" src="js/jquery.min.js"></script>
- <script type="text/javascript" src="js/TreeTableTest.js"></script>
- </head>
- <body>
- <div id='test_table'></div>
- </body>
- </html>
<html><head><title>Tree Table Test</title><link rel="stylesheet" type="text/css" href="styles/TreeTable.css" /><link rel="stylesheet" type="text/css" href="styles/TreeTableTest.css" /><script type="text/javascript" src="js/TreeTable.js"></script><script type="text/javascript" src="js/jquery.min.js"></script><script type="text/javascript" src="js/TreeTableTest.js"></script></head><body><div id='test_table'></div></body></html>
因为测试用的代码不想把json对象hardcode到js文件中,所以使用了ajax去读取json对象,引入了jquery的代码,也可以用其它的ajax框架,或直接用xmlRequest对象。
测试用的JS文件(TreeTableTest.js)代码:
- $(document).ready(function () {
- $.post('json/TreeTableTest.json?date=' + new Date().valueOf(), {type:"slides"}, function (data) {
- initTreeTable(data);
- });
- })
- function initTreeTable(data) {
- json = eval('(' + data + ')');
- model = {
- store: json,
- childrenAttrs: ['children']
- };
- layout = [
- {name: 'Id', field: 'id', headerClass: 'id_col', className: 'id_col', style: 'width: 20%'},
- {name: 'Name', field: 'name', headerClass: 'name_col', className: 'name_col', style: 'width: 60%', get: testGetName, getIcon: testGetIcon},
- {name: 'Value', field: 'value', headerClass: 'value_col', className: 'value_col', style: 'width: 20%', get: testGetValue}
- ];
- var treeTable = new TreeTable(layout, model, 'test_table');
- treeTable.startup();
- // treeTable.expandAll(false);
- }
- function testGetName(item) {
- return '<a href="javascript:;">' + item.id + '</a>';
- }
- function testGetValue(item, column, treeNode) {
- if (treeNode.nodes.length == 0) {
- return '<input type="text" value="' + item.value + '"/>';
- }
- return '';
- }
- function testGetIcon(item) {
- return 'images/page.gif';
- }
$(document).ready(function () {$.post('json/TreeTableTest.json?date=' + new Date().valueOf(), {type:"slides"}, function (data) {initTreeTable(data);});})function initTreeTable(data) {json = eval('(' + data + ')');model = {store: json,childrenAttrs: ['children']};layout = [{name: 'Id', field: 'id', headerClass: 'id_col', className: 'id_col', style: 'width: 20%'},{name: 'Name', field: 'name', headerClass: 'name_col', className: 'name_col', style: 'width: 60%', get: testGetName, getIcon: testGetIcon},{name: 'Value', field: 'value', headerClass: 'value_col', className: 'value_col', style: 'width: 20%', get: testGetValue}];var treeTable = new TreeTable(layout, model, 'test_table');treeTable.startup();//treeTable.expandAll(false);}function testGetName(item) {return '<a href="javascript:;">' + item.id + '</a>';}function testGetValue(item, column, treeNode) {if (treeNode.nodes.length == 0) {return '<input type="text" value="' + item.value + '"/>';}return '';}function testGetIcon(item) {return 'images/page.gif';}
目前TreeTable支持每个单元格的css, style和icon的定制,且方法极其简单。对于列和单元格中的数据展示都可以定制,很灵活。
需要的css文件(TestTreeTable.css)代码如下:
- .id_col {
- background: yellow;
- }
- .name_col {
- background: gray;
- }
- .value_col {
- border: green;
- }
- .value_col input {
- margin: 0;
- padding: 0;
- height: 16px;
- width: 100%;
- }
.id_col {background: yellow;}.name_col {background: gray;}.value_col {border: green;}.value_col input {margin: 0;padding: 0;height: 16px;width: 100%;}
以后装要完成的需求:
1.基于Javascript实现
2.支持通过程序控制的方式来实现动态的修改节点
3.支持展开,收缩等等标准操作
4.支持异步加载数据的方式
5.在编程控制方面,完成基本的设置(Javascript文件的引用或者css中behavior的声明)之后就可以基于对象的控制
扩展性
6.支持拖动
7.支持自定义右键菜单
7.在frame布局中支持target方式的自动链接
8.支持tooltip
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