一个可拖拽列宽表格实例演示_javascript技巧
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责编：小采
时间：2020-11-27 21:05:35
一个可拖拽列宽表格实例演示_javascript技巧
一个可拖拽列宽表格实例演示_javascript技巧: 代码如下: body{ font:12px/1.5 Tahoma; } #gannt_left{ width:500px; } #left-scroll-panel{ width:520px; height:100px; overflow-y: auto; } table{ table-layout:fixed; border-collap
导读一个可拖拽列宽表格实例演示_javascript技巧: 代码如下: body{ font:12px/1.5 Tahoma; } #gannt_left{ width:500px; } #left-scroll-panel{ width:520px; height:100px; overflow-y: auto; } table{ table-layout:fixed; border-collap
代码如下:
序号 |
操作 |
标题 |
执行人 |
开始时间 |
结束时间 |
天数 |
1 |
编辑 |
任务标题：阿斯卡是大家啊 |
Firefox |
2012-07-15 |
2012-08-15 |
32 |
2 |
编辑 |
任务标题：阿斯卡是大家啊 |
Firefox |
2012-07-15 |
2012-08-15 |
32 |
3 |
编辑 |
任务标题：阿斯卡是大家啊 |
Firefox |
2012-07-15 |
2012-08-15 |
32 |
4 |
编辑 |
任务标题：阿斯卡是大家啊 |
Firefox |
2012-07-15 |
2012-08-15 |
32 |
5 |
编辑 |
任务标题：阿斯卡是大家啊 |
Firefox |
2012-07-15 |
2012-08-15 |
32 |
(function(){ //fixed table header ，还可以封装一下做成类
var leftScrollPanel = $("#left-scroll-panel");
var ganntBody = $("#gannt_grid>tbody");
var fixedThead = leftScrollPanel.prev(".fixed-header-tb");
if(!fixedThead.length){
fixedThead = $('');
fixedThead.append(ganntBody.prev());
leftScrollPanel.before(fixedThead);
}else{
//do not create table head again when gannt body repaint,
//because it is not created in function render
ganntBody.prev().remove();
}
var tds = ganntBody.find("tr:first>td");
var ths = fixedThead.find("th");
var thWidth;
$.each(tds,function(index,td){
//jq width() or css('width') may has 1px disparity, use attr width
thWidth = ths.eq(index).attr("width");
(thWidth!=undefined) && $(td).attr("width",thWidth);
});
})();
(function(){//table header resize
var sideOffset = {
left:null,
right:null,
td:null,
tdLocked:null,
tdLeft:null,
tdRight:null
};
var pos = {
resizedTime:0,
beginPos:0
};
var tableHead = $(".fixed-header-tb").find("tr:first");
var headCellTagName = "th";
var bodyHead = $("#gannt_grid>tbody").find("tr:first");
var minInterVal = 0;
var minWidth = 30;
var borderBeside = 5;
var notResizeCells = [0,1,6];
var freeCells = [2];
var forceSize = false;
var resizeAllow = false;
var resizing = false;
var forbiddenResize = function(){
var frag = false;
var o = sideOffset;
var index = o.td.index();
if($.inArray(index,notResizeCells)>-1){
frag = true;
}else if((index==0||$.inArray(index-1,notResizeCells)>-1)&&o.left<=borderBeside){
frag = true;
}else if((index==o.td.siblings().length||$.inArray(index+1,notResizeCells)>-1)&&o.right<=borderBeside){
frag = true;
}else if(o.left>borderBeside&&o.right>borderBeside){
frag = true;
}
return frag;
};
var stopResize = function(){
if(!resizing){return ;}
resizing = false;
resizeAllow = false;
sideOffset = {
left:null,
right:null,
td:null,
tdLocked:null,
tdLeft:null,
tdRight:null
};
};
var isFreeCell = function(td){
return forceSize==false && $.inArray(td.index(),freeCells)!=-1;
};
tableHead.bind({
mousemove:function(e){
var th = $(e.target).closest(headCellTagName);
if(!th.length){
return;
}
if(!resizing){
sideOffset.td = th;
sideOffset.left = e.pageX - th.offset().left;
sideOffset.right = th.width()-(e.pageX-th.offset().left);
if(forbiddenResize()){
resizeAllow = false;
sideOffset.td.css("cursor","default");
}else{
resizeAllow = true;
sideOffset.td.css("cursor","e-resize");
pos.resizedTime = new Date()*1;
pos.beginPos = e.pageX;
}
return;
}
if(sideOffset.tdLocked){
th = sideOffset.tdLocked;
}
if(new Date()-pos.resizedTimereturn;
}else{
pos.resizedTime = new Date()*1;
}
var offset = (e.pageX-pos.beginPos);
if(!offset){
return;
}else{
pos.beginPos = e.pageX;
}
var leftWidth = sideOffset.tdLeft.width();
var rightWidth = sideOffset.tdRight.width();
if(offset<0&&leftWidth==minWidth){
return;
}else if(offset>0&&rightWidth==minWidth){
return;
}
var fixedLWidth,fixedRWidth;
if(leftWidth-Math.abs(offset)fixedLWidth = minWidth;
fixedRWidth = rightWidth - (minWidth-leftWidth);
}else if(rightWidth-offset0){
fixedRWidth = minWidth;
fixedLWidth = leftWidth - (minWidth-rightWidth);
}else{
fixedLWidth = leftWidth+offset;
fixedRWidth = rightWidth-offset;
}
var adjustCells = [
{cell:sideOffset.tdLeft,width:fixedLWidth},
{cell:sideOffset.tdRight,width:fixedRWidth}
];
if(offset<0){
adjustCells = adjustCells.reverse();
}
var inOneTable = bodyHead.parents("table:first").get(0)==tableHead.parents("table:first").get(0);
$.each(adjustCells,function(i,cellConf){
if(isFreeCell(cellConf.cell)){return;}
cellConf.cell.attr("width",cellConf.width);
if(!inOneTable){
bodyHead.children().eq(cellConf.cell.index()).attr("width",cellConf.width);
}
});
},
mousedown:function(){
if(!resizeAllow){
return;
}
sideOffset.tdLocked = sideOffset.td;
if(sideOffset.left<=5){
sideOffset.tdRight = sideOffset.td;
sideOffset.tdLeft = sideOffset.td.prev();
}else{
sideOffset.tdRight = sideOffset.td.next();
sideOffset.tdLeft = sideOffset.td;
}
resizing = true;
return false;
}
});
$(document).bind("mouseup",stopResize);
})();
一个可拖拽列宽表格实例演示_javascript技巧
一个可拖拽列宽表格实例演示_javascript技巧: 代码如下: body{ font:12px/1.5 Tahoma; } #gannt_left{ width:500px; } #left-scroll-panel{ width:520px; height:100px; overflow-y: auto; } table{ table-layout:fixed; border-collap
