当前位置: 首页 > 图文教程 > 网络编程 > Javascript > javascript实现的listview效果

Javascript
表格 隔行换色升级版
JavaScript 变量基础知识
fileupload控件 文件类型客户端验证实现代码
extjs DataReader、JsonReader、XmlReader的构造方法
让Firefox支持event对象实现代码
CSS+Js遮罩效果的TAB及焦点图片切换(推荐)
javascript showModalDialog传值与FireFox的window.open 父子窗口传值示例
JQuery 图片延迟加载并等比缩放插件
Jquery作者John Resig自己封装的javascript 常用函数
js 鼠标拖动对象 可让任何div实现拖动效果
页面中js执行顺序
Javascript select下拉框操作常用方法
jQuery 常见学习网站与参考书
javascript currying返回函数的函数
prototype 中文参数乱码解决方案
为javascript添加String.Format方法
asp.net HttpHandler实现图片防盗链
Riot.js 快速的JavaScript单元测试框架
Javascript实现的CSS代码高亮显示
Js 实现表格隔行换色一例

Javascript 中的 javascript实现的listview效果


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 79 ::
收藏到网摘: n/a

<style type="text/css">
#oContainer {
width: 600px;
height: 500px;
border: 1px solid menu;
margin: 0px;
padding: 0px;
overflow: hidden;
}
a {
color: black;
text-decoration: none;
}
a:hover {
color: red;
text-decoration: underline;
}
</style>
<script language="javascript">
var oListView = new Object();
function listView(_container) {
this.author = '51JS.COM-ZMM';
this.version = 'ListView 1.0';
this.container = _container;
this.box = new Object();
this.headerWidth = 0;
this.headerHeight = 20;
this.itemWidth = 0;
this.itemHeight = 0;
this.rowsCount = 30;
this.isResize = false;
this.separate = new Object();
this.startPoint = 0;
this.endPoint = 0;
this.tempSeparate = new Object();
this.put_headerHeight = function(_height) { return _height; };
this.get_headerHeight = function() { return this.headerHeight; };
this.put_rowsCount = function(_count) { return _count; };
this.get_rowsCount = function() { return this.rowsCount; };
}
listView.prototype = {
boxInit : function() {
this.container.innerHTML = new String();
this.box = (function(_object) {
var _box = document.createElement('DIV');
with (_box) {
id = 'ListViewBox';
style.width = _object.offsetWidth;
style.height = _object.offsetHeight;
style.margin = '0px';
style.padding = '0px';
attachEvent('oncontextmenu', new Function('return false;'));
}
return _box;
})(this.container);
this.headerPanel = (function(_width, _height) {
var _headerPanel = document.createElement('DIV');
with (_headerPanel) {
style.width = _width;
style.height = _height;
}
return _headerPanel;
})(this.box.style.width, this.headerHeight);
this.headerPanel.appendChild(this.textPanel = (function() {
var _textPanel = document.createElement('NOBR');
_textPanel.attachEvent('onmousemove', function() {
with (oListView) {
if (event.button == 1) {
textPanel.style.cursor = 'E-resize';
tempSeparate.style.left = event.clientX - getPosition(box).left;
tempSeparate.style.display = 'inline';
endPoint = event.clientX;
isResize = true;
}
}
});
return _textPanel;
})());
this.rowItemPanel = (function(_width, _height) {
var _itemPanel = document.createElement('DIV');
with (_itemPanel) {
style.width = _width;
style.height = _height;
style.overflow = 'hidden';
}
return _itemPanel;
})(this.box.style.width, parseInt(this.box.style.height) - this.headerHeight);
this.rowItemPanel.appendChild(this.dataPanel = (function() {
var _dataPanel = document.createElement('NOBR');
with (_dataPanel) {
style.cursor = 'default';
attachEvent('onclick', function() {
document.selection.empty();
});
attachEvent('onselectstart', function() {
document.selection.empty();
});
}
return _dataPanel;
})());
this.dataPanel.appendChild(this.tempSeparate = (function(_height) {
var _tempSeparate = document.createElement('SPAN');
with (_tempSeparate) {
style.width = '1px';
style.height = _height;
style.border = '0px';
style.backgroundColor = 'black';
style.position = 'absolute';
style.display = 'none';
}
return _tempSeparate;
})(this.rowItemPanel.style.height));
this.box.appendChild(this.headerPanel);
this.box.appendChild(this.rowItemPanel);
this.container.appendChild(this.box);
},
drawListView : function(_headers, _aligns) {
this.boxInit();
this.drawHeader(_headers);
this.drawRowItem(_headers, _aligns);
document.attachEvent('onmouseup', this.finishResize);
},
drawHeader : function(_headers) {
this.headers = [];
this.headerWidth = Math.round((parseInt(this.headerPanel.style.width) - (_headers.length - 1) * 1) / _headers.length) + 1;
for (var i = 0; i < _headers.length; i ++) {
var _header = document.createElement('SPAN');
with (_header) {
style.width = this.headerWidth;
style.height = this.headerHeight;
style.overflow = 'hidden';
style.backgroundColor = 'buttonface';
style.borderLeft = '1px solid buttonhighlight';
style.borderTop = '1px solid buttonhighlight';
style.borderRight = '1px solid buttonshadow';
style.borderBottom = '1px solid buttonshadow';
style.textAlign = 'center';
style.fontSize = '12px';
style.fontFamily = 'Sans-Serif, Tahoma';
style.paddingTop = '1px';
innerText = _headers[i];
}
this.textPanel.appendChild(_header);
this.headers[this.headers.length] = _header;
var _separate = this.getSeparate(true);
this.textPanel.appendChild(_separate);
this.headers[this.headers.length] = _separate;
}
var _last = document.createElement('SPAN');
with (_last) {
style.width = this.headerPanel.offsetWidth;
style.height = this.headerHeight;
style.overflow = 'hidden';
style.backgroundColor = 'buttonface';
style.borderLeft = '1px solid buttonhighlight';
style.borderTop = '1px solid buttonhighlight';
style.borderRight = '1px solid buttonshadow';
style.borderBottom = '1px solid buttonshadow';
style.textAlign = 'center';
style.fontSize = '12px';
style.fontFamily = 'Sans-Serif, Tahoma';
style.paddingTop = '1px';
innerText = new String();
}
this.textPanel.appendChild(_last);
this.headers[this.headers.length] = _last;
},
drawRowItem : function(_headers, _aligns) {
this.items = [];
this.itemWidth = Math.round((parseInt(this.rowItemPanel.style.width) - (_headers.length - 1) * 1) / _headers.length) + 1;
this.itemHeight = parseInt(this.rowItemPanel.style.height) - 2;
for (var i = 0; i < _headers.length; i ++) {
var _item = document.createElement('SPAN');
with (_item) {
style.width = this.itemWidth;
style.height = this.itemHeight;
style.overflow = 'hidden';
style.padding = '0px';
appendChild((function(_count, _width, _height, _align) {
var _table = document.createElement('TABLE');
with (_table) {
cellSpacing = 0;
cellPadding = 0;
style.width = _width;
style.tableLayout = 'fixed';
}
var _tbody = document.createElement('TBODY');
for (var i = 0; i < _count; i ++) {
var _tableTr = document.createElement('TR');
var _tableTd = document.createElement('TD');
with (_tableTd) {
align = _align;
style.height = _height;
style.borderBottom = '1px solid #c6c3c6';
style.fontSize = '12px';
style.paddingLeft = '3px';
setAttribute('onclick', function() {
oListView.selectedRow(this.parentNode.rowIndex);
});
setAttribute('ondblclick', function() {
oListView.showSelected(this.parentNode.rowIndex);
});
innerHTML = new String(' ');
}
_tableTr.appendChild(_tableTd);
_tbody.appendChild(_tableTr);
}
_table.appendChild(_tbody);
return _table;
})(this.rowsCount, this.itemWidth, Math.round(this.itemHeight / this.rowsCount), _aligns[i]));
}
this.dataPanel.appendChild(_item);
this.items[this.items.length] = _item;
var _separate = this.getSeparate(false);
_separate.style.height = this.itemHeight;
this.dataPanel.appendChild(_separate);
this.items[this.items.length] = _separate;
}
var _last = document.createElement('SPAN');
with (_last) {
style.width = this.rowItemPanel.offsetWidth;
style.height = this.itemHeight;
style.overflow = 'hidden';
style.padding = '0px';
appendChild((function(_count, _width, _height) {
var _table = document.createElement('TABLE');
with (_table) {
cellSpacing = 0;
cellPadding = 0;
style.width = '100%';
}
var _tbody = document.createElement('TBODY');
for (var i = 0; i < _count; i ++) {
var _tableTr = document.createElement('TR');
var _tableTd = document.createElement('TD');
with (_tableTd) {
style.height = _height;
style.borderBottom = '1px solid menu';
innerHTML = new String('<nobr style="height: ' + eval(_height-1) + ';overflow: hidden;"> </nobr>');
}
_tableTr.appendChild(_tableTd);
_tbody.appendChild(_tableTr);
}
_table.appendChild(_tbody);
return _table;
})(this.rowsCount, this.itemWidth, Math.round(this.itemHeight / this.rowsCount)));
}
this.dataPanel.appendChild(_last);
this.items[this.items.length] = _last;
},
getSeparate : function(_resize) {
var _separate = document.createElement('SPAN');
with (_separate) {
style.width = _resize ? '2px' : '1px' ;
style.height = this.headerHeight;
style.border = '1px ' + (_resize ? 'inset white' : 'solid #c6c3c6');
style.overflow = 'hidden';
style.position = 'absolute';
if (_resize) {
attachEvent('onmousedown', function() {
with (oListView) {
separate = event.srcElement;
startPoint = event.clientX;
}
});
attachEvent('onmouseenter', function() {
event.srcElement.style.cursor = 'E-resize';
});
}
}
return _separate;
},
getPosition : function(_object) {
var _top = _left = 0;
var _root = document.body;
while (_object != _root) {
_left += _object.offsetLeft;
_object = _object.offsetParent;
}
return { left: _left };
},
resizeItem : function() {
with (this) {
var _width, _movePart = endPoint - startPoint;
for (var i = 0; i < headers.length; i ++) {
if (headers[i] == separate) {
var _bool = true;
_bool = _bool && (_movePart < 0);
_bool = _bool && (parseInt(headers[i - 1].style.width) < Math.abs(_movePart));
if (_bool) {
headers[i - 1].style.width = 0;
items[i - 1].style.width = 0;
} else {
_width = parseInt(headers[i - 1].style.width);
headers[i - 1].style.width = _width + _movePart;
_width = parseInt(items[i - 1].style.width);
items[i - 1].style.width = _width + _movePart;
_width = parseInt(items[i - 1].firstChild.style.width);
items[i - 1].firstChild.style.width = _width + _movePart;
var _table = items[i - 1].firstChild;
for (var j = 0; j < _table.rows.length; j ++) {
var _dataPanel = _table.rows[j].cells[0].children[0];
if (typeof _dataPanel != 'undefined') {
_width = parseInt(_dataPanel.style.width);
_dataPanel.style.width = _width + _movePart;
}
}
}
}
}
}
},
finishResize : function() {
with (oListView) {
if (isResize) {
isResize = false;
textPanel.style.cursor = 'default';
tempSeparate.style.display = 'none';
resizeItem();
}
}
},
addListItem : function(_datas) {
var _itemNum = _datas.length > this.rowsCount ? this.rowsCount : _datas.length ;
for (var i = 0; i < _itemNum; i ++) {
var n = 0;
for (j = 0; j < this.items.length - 2; j ++) {
if (j % 2 == 0) {
var _dataPanel = document.createElement('NOBR');
var _tableCell = this.items[j].firstChild.rows[i].cells[0];
with (_dataPanel) {
style.width = this.itemWidth;
style.overflow = 'hidden';
style.textOverflow = 'ellipsis';
innerHTML = _datas[i][n];
}
_tableCell.innerHTML = new String();
_tableCell.appendChild(_dataPanel);
_tableCell.title = _datas[i][0];
n ++;
}
}
}
},
selectedRow : function(n) {
for (var i = 0; i < this.items.length; i++) {
if (i % 2 == 0) {
var _table = this.items[i].firstChild;
for (var j = 0; j < _table.rows.length; j ++) {
var _dataPanel = _table.rows[j].cells[0].children[0];
if (typeof _dataPanel != 'undefined') {
if (j == n) {
_table.rows[j].cells[0].style.color = 'highlighttext';
_table.rows[j].cells[0].style.backgroundColor = 'highlight';
} else {
_table.rows[j].cells[0].style.color = '';
_table.rows[j].cells[0].style.backgroundColor = '';
}
var _children = _table.rows[j].cells[0].firstChild.children;
this.changeChild(_children, j == n);
}
}
}
}
},
changeChild : function(_children, _isSelected) {
if (typeof _children != 'undefined') {
for (var i = 0; i < _children.length; i ++) {
if (_isSelected) {
_children[i].style.color = 'highlighttext';
_children[i].style.backgroundColor = 'highlight';
} else {
_children[i].style.color = '';
_children[i].style.backgroundColor = '';
}
}
} else {
return false;
}
},
showSelected : function(n) {
var _text = new String();
for (var i = 0; i < this.items.length - 2; i++) {
if (i % 2 == 0) {
var _table = this.items[i].firstChild;
_text += this.headers[i].innerText + ':\n';
_text += _table.rows[n].cells[0].firstChild.innerHTML + '\n\n';
}
}
alert(_text);
}
}
function initListView() {
var _headers = [];
_headers[_headers.length] = '标题';
_headers[_headers.length] = '内容';
_headers[_headers.length] = '时间';
_headers[_headers.length] = '管理';
var _aligns = [];
_aligns[_aligns.length] = 'left';
_aligns[_aligns.length] = 'left';
_aligns[_aligns.length] = 'center';
_aligns[_aligns.length] = 'center';
oListView = new listView(self.oContainer);
oListView.drawListView(_headers, _aligns);
var _items = [];
_items[_items.length] = ['标题一', '内容一', '2006-6-21 10:30:00', '<a href="update.aspx">编辑</a> <a href="delete.aspx">删除</a>'];
_items[_items.length] = ['标题二', '内容二', '2006-6-21 14:20:12', '<a href="update.aspx">编辑</a> <a href="delete.aspx">删除</a>'];
_items[_items.length] = ['标题三', '内容三', '2006-6-21 20:45:36', '<a href="update.aspx">编辑</a> <a href="delete.aspx">删除</a>'];
oListView.addListItem(_items);
}
attachEvent('onload', initListView);
</script>
<center>
<div id="oContainer"></div>
</center>