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

Javascript
Javascript的匿名函数小结
js跟随滚动条滚动浮动代码
js监听表单value的修改同步问题,跨浏览器支持
JavaScript 模拟用户单击事件
javascript 获取表单file全路径
让IE8支持DOM 2(不用框架!)
javascript控制frame,iframe的src属性代码
JavaScript 井字棋人工智能实现代码
javascript showModalDialog模态对话框使用说明
JavaScript 学习笔记(四)
JavaScript 学习笔记(五)
JavaScript 学习笔记(六)
JavaScript 学习笔记(七)字符串的连接
js下用gb2312编码解码实现方法
javascript 面向对象技术基础教程
javascript eval和JSON之间的联系
JavaScript 数组循环引起的思考
url 特殊字符 传递参数解决方法
jQuery animate(滑块滑动效果代码)
用javascript做一个小游戏平台 (二) 游戏选择器

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: 137 ::
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>