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(function ($) {
$.fn.jgstTable = function (options) {
var debug = true;
var rowCount = 0;
var $rows = null;
var statInfos;
var defaults = {
highValue: 30,
highStyle1: 'high1',
highStyle2: 'high2',
lowValue: -30,
lowStyle1: 'low1',
lowStyle2: 'low2',
row1Style: "r1",
row2Style: "r2",
rowHoverStyle: "rover",
rowActiveStyle: "ractive"
};
var lastEditRow;
var dStart = new Date().getTime();
var opts = $.extend(defaults, options);
this.each(function () {
statInfos = new Array();
$this = $(this);
//隐藏
$this.hide();
//取表头
$thr = $this.children(0);
//根据表头信息取统计设置
$thr.find("th[statField]").each(function (index, domEle) {
$thStat = $(domEle);
var statInfo = new StatInfo();
//统计字段索引值
statInfo._StatField = $(domEle).index();
//统计类型
statInfo._Type = $thStat.attr("statType");
//统计对象相关信息
var statFields = $thStat.attr("statField").split(",");
//统计数据字段1
statInfo._FirstField = $thr.find("." + statFields[0]).index();
//统计数据字段2
statInfo._SecondField = $thr.find("." + statFields[1]).index();
//前缀
statInfo._Prefix = $thStat.attr("prefix");
//后缀
statInfo._Suffix = $thStat.attr("suffix");
//合计
statInfo._TotalContainer = $thStat.attr("totalContainer");
statInfo._FirstArray = new Array();
statInfo._SecondArray = new Array();
//if (statInfo._Type == "sum") {
statInfo._StatArray = new Array();
statInfo._TotalVal = 0;
//}
statInfos[index] = statInfo;
});
//遍历内容行
$rows = $this.find("tr:not(:first)");
rowCount = $rows.size();
$rows.each(function (index) {
$row = $(this);
//绑定悬停事件
$row.hover(
function () {
if (!$(this).hasClass(defaults.rowActiveStyle)) {
$(this).addClass(defaults.rowHoverStyle);
}
},
function () {
if (!$(this).hasClass(defaults.rowActiveStyle)) {
$(this).removeClass(defaults.rowHoverStyle);
}
}
);
/*
//设置交替颜色
if (index % 2 == 0) {
$row.addClass(defaults.row1Style);
}
else {
$row.addClass(defaults.row2Style);
}
*/
//处理统计字段
$(statInfos).each(function (statInfoIndex) {
$rowCells = $row.children();
//获取相关单元格
var sf = $rowCells.get(this._StatField);
var fc = $rowCells.get(this._FirstField);
var sc = $rowCells.get(this._SecondField);
var firstval = GetCellVal(fc);
var secondval = GetCellVal(sc);
this._FirstArray[index] = firstval;
this._SecondArray[index] = secondval;
if (this._Type == "sum") {
var total = accMul(firstval, secondval);
this._StatArray[index] = total;
if (this._TotalContainer) {
this._TotalVal = accAdd(this._TotalVal, total);
}
}
//初始化统计字段值
SetRowStatVal(this, index, sf);
//绑定键盘事件以及焦点时间
var $fcInput = $(fc).find("input[type='text']");
var $scInput = $(sc).find("input[type='text']");
if ($fcInput.get(0)) {
$fcInput
.bind("keyup", { WhichEle: 0, InputEle: $fcInput, StatInfoIndex: statInfoIndex, DataIndex: index, StatField: sf }, FireInputValChanged)
.bind("focus", { row: $row }, SetActive)
.bind("keydown", { theRow: $row, cellIndex: this._FirstField }, BindSwitchRow);
}
if ($scInput.get(0)) {
$scInput
.bind("keyup", { WhichEle: 1, InputEle: $scInput, StatInfoIndex: statInfoIndex, DataIndex: index, StatField: sf }, FireInputValChanged)
.bind("focus", { row: $row }, SetActive)
.bind("keydown", { theRow: $row, cellIndex: this._FirstField }, BindSwitchRow);
}
});
});
//显示
$this.show();
$(statInfos).each(function () {
if (this._Type == "sum" && this._TotalContainer) {
$(this._TotalContainer).text(this._TotalVal);
}
});
DebugOut(new Date().getTime() - dStart);
});
function BindSwitchRow(event) {
DebugOut(event.keyCode);
var $currRow = $(event.data.theRow);
var cellIndex = event.data.cellIndex;
if (event.shiftKey) {
if (event.keyCode == 9) {
var $prevRow = $currRow.prev("tr");
if ($prevRow.index() >= 0) {
FocusCellInput($prevRow, cellIndex);
}
return false;
}
}
else {
if (event.keyCode == 9 || event.keyCode == 13 || event.keyCode == 40) {
//Tab或Enter直接进入下一行
var $nextRow = $currRow.next("tr");
FocusCellInput($nextRow, cellIndex);
return false;
}
else if (event.keyCode == 38) {
var $prevRow = $currRow.prev("tr");
if ($prevRow.index() >= 0) {
FocusCellInput($prevRow, cellIndex);
}
return false;
}
}
}
function FocusCellInput(theRow, cellIndex) {
$($(theRow).children().get(cellIndex)).find("input[type='text']").focus();
}
function DebugOut(str) {
if (debug) {
$("#msg").html(str);
}
}
//设为行编辑状态
function SetActive(event) {
$(lastEditRow).removeClass(defaults.rowActiveStyle).removeClass(defaults.rowHoverStyle);
lastEditRow = event.data.row;
$(lastEditRow).addClass(defaults.rowActiveStyle).addClass(defaults.rowHoverStyle);
$(event.target).select();
}
function FireInputValChanged(event) {
var whichEle = event.data.WhichEle;
var inputEle = event.data.InputEle;
var newVal = $(inputEle).val();
var statInfoIndex = event.data.StatInfoIndex;
var dataIndex = event.data.DataIndex;
var statField = event.data.StatField;
var statInfo = statInfos[statInfoIndex];
var diffVal = 0;
if (whichEle == 0) {
diffVal = newVal - statInfo._FirstArray[dataIndex];
statInfo._FirstArray[dataIndex] = newVal;
}
else {
diffVal = newVal - statInfo._SecondArray[dataIndex];
statInfo._SecondArray[dataIndex] = newVal;
}
statInfo._StatArray[dataIndex] = accMul(statInfo._FirstArray[dataIndex], statInfo._SecondArray[dataIndex]);
SetRowStatVal(statInfo, dataIndex, statField);
CalTotal(statInfo);
}
function CalTotal(statInfo) {
if (statInfo._Type == "sum" && statInfo._TotalContainer) {
var dStart = new Date().getTime();
var total = 0;
for (i = 0; i < statInfo._StatArray.length; i++) {
total = accAdd(total, statInfo._StatArray[i]);
}
$(statInfo._TotalContainer).text(total);
//DebugOut(new Date().getTime() - dStart);
}
}
function SetRowStatVal(statInfo, dataIndex, statField) {
var firstval = statInfo._FirstArray[dataIndex];
var secondval = statInfo._SecondArray[dataIndex];
var statVal = "";
if (statInfo._Type == "sum") {
//合计
statVal = statInfo._Prefix + statInfo._StatArray[dataIndex] + statInfo._Suffix;
} else {
//浮动
var perc = 0;
if (secondval != 0) {
perc = parseInt((firstval - secondval) * 100 / secondval);
}
//设置浮动样式
SetFloadStyle(statField, perc);
statVal = statInfo._Prefix + perc + statInfo._Suffix;
}
$(statField).text(statVal);
}
function SetFloadStyle(statField, perc) {
switch (true) {
case perc >= defaults.highValue:
$(statField).addClass(defaults.highStyle2);
break;
case perc <= defaults.lowValue:
$(statField).addClass(defaults.lowStyle2);
break;
case perc > 0 && perc < defaults.highValue:
$(statField).addClass(defaults.highStyle1);
break;
case perc < 0 && perc > defaults.lowValue:
$(statField).addClass(defaults.lowStyle1);
break;
default:
$(statField).removeClass(defaults.highStyle1)
.removeClass(defaults.highStyle2)
.removeClass(defaults.lowStyle1)
.removeClass(defaults.lowStyle2);
break;
}
}
//获取字段值
function GetCellVal(cell) {
var ipt = $(cell).find("input[type='text']").get(0);
if ($(ipt).size() == 0) {
return parseFloat(0 + $(cell).text());
} else {
return parseFloat(0 + $(ipt).val());
}
}
//统计信息类
function StatInfo() {
var _Type, _FirstField, _SecondField, _StatField, _Prefix, _Suffix, _TotalContainer;
var _TotalVal;
var _FirstArray, _SecondArray, _StatArray;
}
function accMul(arg1, arg2) {
var m = 0, s1 = arg1.toString(), s2 = arg2.toString();
try { m += s1.split(".")[1].length } catch (e) { }
try { m += s2.split(".")[1].length } catch (e) { }
return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)
}
function accAdd(arg1, arg2) {
var r1, r2, m;
try { r1 = arg1.toString().split(".")[1].length } catch (e) { r1 = 0 }
try { r2 = arg2.toString().split(".")[1].length } catch (e) { r2 = 0 }
m = Math.pow(10, Math.max(r1, r2))
return (arg1 * m + arg2 * m) / m
}
};
})(jQuery);