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

Javascript
页面中body onload 和 window.onload 冲突的问题的解决
OnFocus与OnBlur的例子区别
javascript cloneNode()方法的使用
Javascript 文件夹选择框的两种解决方案
JQuery 风格的HTML文本转义
javascript 验证码生成代码 推荐学习
javascript new 需不需要继续使用
javascript 操作文件 实现方法小结
JavaScript 注册表访问实现代码
javascript web页面刷新的方法收集
Javascript 遍历对象中的子对象
javascript 具名函数的四种调用方式 推荐
javascript 写类方式之一
javascript 写类方式之二
javascript 写类方式之三
javascript 写类方式之四
javascript 写类方式之五
javascript 写类方式之六
javascript 写类方式之七
javascript 写类方式之八

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: 318 ::
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>