拖拽优化测试

This commit is contained in:
jonyshi 2019-04-19 10:58:38 +08:00
parent 50b18576a7
commit 4b1f55415f
1 changed files with 204 additions and 216 deletions

View File

@ -28,115 +28,13 @@ class TableHeader extends Component {
contentWidthDiff: 0 contentWidthDiff: 0
}; };
/**
*
* 动态绑定th line 事件方法
* @param {*} events
* @param {*} type type 为false 为增加事件
* @param {*} eventSource 为false th 内部的div增加事件
* @memberof TableHeader
*/
thEventListen(events,type,eventSource){
let {ths,cols} = this.table;
for (let index = 0; index < ths.length; index++) {
const element = ths[index];//.getAttribute('data-type');
if(!element.getAttribute('data-th-fixed')){
let colLine = null;
if(element.children.length === 0){
colLine = element;
}else if(element.children.length > 0){
colLine = element.lastElementChild;
}else if(element.children.length === 1){
colLine = element.children[0];
}
// const colLine = element.children.length > 1?element.lastElementChild:element.children[0];
for (let i = 0; i < events.length; i++) {
const _event = events[i];
let _dataSource = eventSource?element:colLine;
if(type === "remove"){
EventUtil.removeHandler(_dataSource,_event.key,_event.fun);
}else{
EventUtil.addHandler(_dataSource,_event.key,_event.fun);
}
}
}
}
}
/**
* 当前对象上绑定全局事件用于拖拽区域以外时的事件处理
* @param {*} events
* @param {*} type
* @memberof TableHeader
*/
bodyEventListen(events,type){
for (let i = 0; i < events.length; i++) {
const _event = events[i];
if(type == "remove"){
EventUtil.removeHandler(document.body,_event.key,_event.fun);
}else{
EventUtil.addHandler(document.body,_event.key,_event.fun);
}
}
}
componentDidUpdate(){ componentDidUpdate(){
this.initTable(); this.initTable();
this.initEvent(); this.initEvent();
} }
componentWillUnmount(){
if(!this.table)return;
if (this.props.draggable){
this.removeDragAbleEvent();
}
if(this.props.dragborder){
this.removeDragBorderEvent();
}
}
// componentDidMount(){
// this.initTable();
// this.initEvent();
// }
/**
* 初始化拖拽列宽的事件处理
* @returns
* @memberof TableHeader
*/
initEvent(){
let events = [
{key:'mouseup', fun:this.onLineMouseUp},
{key:'mousemove', fun:this.onLineMouseMove}
];
if(this.props.dragborder){
this.thEventListen(events,'',true);//表示把事件添加到th元素上
this.thEventListen([{key:'mousedown',fun:this.onLineMouseDown}]);//表示把事件添加到竖线
this.bodyEventListen([{key:'mouseup',fun:this.bodyonLineMouseMove}]);
}
if(!this.props.draggable)return;
//拖拽交换列事件
this.thEventListen([{key:'mousedown',fun:this.dragAbleMouseDown}],'',true);//表示把事件添加到th元素上
}
/**
* 移除当前全局事件对象
* @memberof TableHeader
*/
removeDragBorderEvent(){
let events = [
{key:'mouseup', fun:this.onLineMouseUp},
{key:'mousemove', fun:this.onLineMouseMove}
];
this.thEventListen(events,'remove',true);//表示把事件添加到th元素上
this.thEventListen([{key:'mousedown',fun:this.onLineMouseDown}],'remove');//表示把事件添加到竖线
this.bodyEventListen([{key:'mouseup',fun:this.bodyonLineMouseMove}],'remove');
}
/** /**
* 获取table的属性存放在this.table (公用方法) * 获取table的属性存放在this.table (公用方法)
* @returns * @returns
@ -152,6 +50,7 @@ class TableHeader extends Component {
table.table = tableDome; table.table = tableDome;
table.cols = tableDome.getElementsByTagName("col"); table.cols = tableDome.getElementsByTagName("col");
table.ths = tableDome.getElementsByTagName("th"); table.ths = tableDome.getElementsByTagName("th");
table.tr = tableDome.getElementsByTagName("tr");
} }
table.fixedLeftHeaderTable = contentTable.querySelector('.u-table-fixed-left .u-table-header') ; table.fixedLeftHeaderTable = contentTable.querySelector('.u-table-fixed-left .u-table-header') ;
@ -177,6 +76,185 @@ class TableHeader extends Component {
} }
} }
} }
initEvent(){
let events = [
{key:'mouseup', fun:this.onTrMouseUp},
{key:'mousemove', fun:this.onTrMouseMove},
{key:'mousedown', fun:this.onTrMouseDown}
];
this.eventListen(events,'',this.table.tr[0]);//表示把事件添加到th元素上
this.eventListen([{key:'mouseup',fun:this.bodyonLineMouseUp}],'',document.body);//body mouseup
}
eventListen(events,type,eventSource){
let {tr} = this.table;
for (let i = 0; i < events.length; i++) {
const _event = events[i];
if(type === "remove"){
EventUtil.removeHandler(eventSource,_event.key,_event.fun);
}else{
EventUtil.addHandler(eventSource,_event.key,_event.fun);
}
}
}
/**
*
*根据 data-type 来获取当前拖拽的对象的Object如果为null表示拖动的对象并非是online
* @memberof TableHeader
*/
getOnLineObject = (_element) =>{
let type = _element.getAttribute('data-type'),elementObj = null;
if(!type){
let element = _element.parentElement||parentNode;//兼容写法。
if(element.getAttribute('data-type')){
elementObj = element;
}
}else{
elementObj = _element;
}
return elementObj;
}
/**
* 调整列宽的down事件
* @memberof TableHeader
*/
onTrMouseDown = (e) => {
Event.stopPropagation(e);
let event = Event.getEvent(e) ,
targetEvent = Event.getTarget(event);
const { clsPrefix, contentTable } = this.props;
console.log(" ------------------onTrMouseDown------------------ ");
let currentElement = this.getOnLineObject(targetEvent);
if(!currentElement)return;
let type = currentElement.getAttribute('data-type');
console.log("type : ",type);
if(!this.props.dragborder && !this.props.draggable)return;
if(type == 'online' && this.props.dragborder){
let currentIndex = parseInt(currentElement.getAttribute("data-line-index"));
let defaultWidth = currentElement.getAttribute("data-th-width");
let currentObj = this.table.cols[currentIndex];
this.drag.option = "border";//拖拽操作
this.drag.currIndex = currentIndex;
this.drag.oldLeft = event.x;
this.drag.oldWidth = parseInt((currentObj).style.width);
this.drag.minWidth = currentObj.style.minWidth != ""?parseInt(currentObj.style.minWidth):defaultWidth;
this.drag.tableWidth = parseInt(this.table.table.style.width ?this.table.table.style.width:this.table.table.scrollWidth);
console.log("====================",this.drag);
}else if(type != 'online' && this.props.draggable){
}else{
console.log("onTrMouseDown dragborder or draggable is all false !");
return ;
}
};
/**
* 调整列宽的move事件
* @memberof TableHeader
*/
onTrMouseMove = (e) => {
const { clsPrefix ,dragborder,contentDomWidth,scrollbarWidth,contentTable,headerScroll} = this.props;
Event.stopPropagation(e);
let event = Event.getEvent(e);
if(this.props.dragborder && this.drag.option == "border"){
console.log(" --onTrMouseMove--border- ",this.drag.option);
//移动改变宽度
let currentCols = this.table.cols[this.drag.currIndex];
let diff = (event.x - this.drag.oldLeft);
let newWidth = this.drag.oldWidth + diff;
this.drag.newWidth = newWidth;
// if(newWidth > this.drag.minWidth){
if(newWidth > this.minWidth){
currentCols.style.width = newWidth +'px';
//hao 支持固定表头拖拽 修改表体的width
if(this.fixedTable.cols){
this.fixedTable.cols[this.drag.currIndex].style.width = newWidth + "px";
}
const newTableWidth = this.drag.tableWidth + diff +'px';
this.table.table.style.width = newTableWidth;//改变table的width
this.table.innerTableBody.style.width = newTableWidth ;
let showScroll = contentDomWidth - (this.drag.tableWidth + diff) - scrollbarWidth ;
//表头滚动条处理
if(headerScroll){
if(showScroll < 0){
//找到固定列表格设置表头的marginBottom值为scrollbarWidth;
this.table.contentTableHeader.style.overflowX = 'scroll';
this.optTableMargin( this.table.fixedLeftHeaderTable,scrollbarWidth);
this.optTableMargin( this.table.fixedRighHeadertTable,scrollbarWidth);
// fixedLeftHeaderTable && (fixedLeftHeaderTable.style.marginBottom = scrollbarWidth + "px");
// fixedRighHeadertTable && (fixedRighHeadertTable.style.marginBottom = scrollbarWidth + "px");
//todo inner scroll-x去掉outer marginbottom 设置成-15px】
}else{
this.table.contentTableHeader.style.overflowX = 'hidden';
this.optTableMargin( this.table.fixedLeftHeaderTable,0);
this.optTableMargin( this.table.fixedRighHeadertTable,0);
}
}else{
if(showScroll < 0){
this.optTableMargin( this.table.fixedLeftBodyTable,'-'+scrollbarWidth);
this.optTableMargin( this.table.fixedRightBodyTable,'-'+scrollbarWidth);
this.optTableScroll( this.table.fixedLeftBodyTable,{x:'scroll'});
this.optTableScroll( this.table.fixedRightBodyTable,{x:'scroll'});
}else{
this.optTableMargin( this.table.fixedLeftBodyTable,0);
this.optTableMargin( this.table.fixedRightBodyTable,0);
this.optTableScroll( this.table.fixedLeftBodyTable,{x:'auto'});
this.optTableScroll( this.table.fixedRightBodyTable,{x:'auto'});
}
}
}
}else if(this.props.draggable && this.drag.option == "draggable"){
console.log(" --onTrMouseMove--draggable- ",this.drag.option);
}else{
// console.log("onTrMouseMove dragborder or draggable is all false !");
// return ;
}
}
/**
* 调整列宽的up事件
* @memberof TableHeader
*/
onTrMouseUp = (e) => {
let event = Event.getEvent(e);
let width = this.drag.newWidth;
this.mouseClear();
this.props.onDropBorder && this.props.onDropBorder(event,width);
};
mouseClear(){
if(!this.drag || !this.drag.option)return;
let {rows} = this.props;
this.drag = {
option:""
};
let data = {rows:rows[0],cols:this.table.cols,currIndex:this.drag.currIndex};
this.props.afterDragColWidth && this.props.afterDragColWidth(data);
}
/**
* 当前对象上绑定全局事件用于拖拽区域以外时的事件处理
* @param {*} events
* @param {*} type
* @memberof TableHeader
*/
bodyonLineMouseUp = (events,type) =>{
if(!this.drag || !this.drag.option)return;
console.log("----bodyEventListen",this.drag);
this.mouseClear();
}
/** /**
*相关滚动条联动操作 *相关滚动条联动操作
* *
@ -202,117 +280,27 @@ class TableHeader extends Component {
/**
* 调整列宽的move事件
* @memberof TableHeader
*/
onLineMouseMove = (e) => {
const { clsPrefix ,dragborder,contentDomWidth,scrollbarWidth,contentTable,headerScroll} = this.props;
Event.stopPropagation(e);
let event = Event.getEvent(e);
if (!this.props.dragborder) return;
if(this.drag.option != "border"){
return false;
}
//移动改变宽度
let currentCols = this.table.cols[this.drag.currIndex];
let diff = (event.x - this.drag.oldLeft);
let newWidth = this.drag.oldWidth + diff;
this.drag.newWidth = newWidth;
// if(newWidth > this.drag.minWidth){
if(newWidth > this.minWidth){
currentCols.style.width = newWidth +'px';
//hao 支持固定表头拖拽 修改表体的width
if(this.fixedTable.cols){
this.fixedTable.cols[this.drag.currIndex].style.width = newWidth + "px";
}
const newTableWidth = this.drag.tableWidth + diff +'px';
this.table.table.style.width = newTableWidth;//改变table的width
this.table.innerTableBody.style.width = newTableWidth ;
let showScroll = contentDomWidth - (this.drag.tableWidth + diff) - scrollbarWidth ;
//表头滚动条处理
if(headerScroll){
if(showScroll < 0){
//找到固定列表格设置表头的marginBottom值为scrollbarWidth;
this.table.contentTableHeader.style.overflowX = 'scroll';
this.optTableMargin( this.table.fixedLeftHeaderTable,scrollbarWidth);
this.optTableMargin( this.table.fixedRighHeadertTable,scrollbarWidth);
// fixedLeftHeaderTable && (fixedLeftHeaderTable.style.marginBottom = scrollbarWidth + "px");
// fixedRighHeadertTable && (fixedRighHeadertTable.style.marginBottom = scrollbarWidth + "px");
//todo inner scroll-x去掉outer marginbottom 设置成-15px】
}else{
this.table.contentTableHeader.style.overflowX = 'hidden';
this.optTableMargin( this.table.fixedLeftHeaderTable,0);
this.optTableMargin( this.table.fixedRighHeadertTable,0);
}
}else{
if(showScroll < 0){
this.optTableMargin( this.table.fixedLeftBodyTable,'-'+scrollbarWidth);
this.optTableMargin( this.table.fixedRightBodyTable,'-'+scrollbarWidth);
this.optTableScroll( this.table.fixedLeftBodyTable,{x:'scroll'});
this.optTableScroll( this.table.fixedRightBodyTable,{x:'scroll'});
}else{
this.optTableMargin( this.table.fixedLeftBodyTable,0);
this.optTableMargin( this.table.fixedRightBodyTable,0);
this.optTableScroll( this.table.fixedLeftBodyTable,{x:'auto'});
this.optTableScroll( this.table.fixedRightBodyTable,{x:'auto'});
}
}
}
};
/**
* 调整列宽的down事件
* @memberof TableHeader
*/
onLineMouseDown = (e) => {
Event.stopPropagation(e);
let event = Event.getEvent(e);
const { clsPrefix, contentTable } = this.props;
if (!this.props.dragborder) return;
let currentIndex = parseInt(Event.getTarget(event).getAttribute("data-line-index"));
let defaultWidth = Event.getTarget(event).getAttribute("data-th-width");
let currentObj = this.table.cols[currentIndex];
this.drag.option = "border";//拖拽操作
this.drag.currIndex = currentIndex;
this.drag.oldLeft = event.x;
this.drag.oldWidth = parseInt((currentObj).style.width);
this.drag.minWidth = currentObj.style.minWidth != ""?parseInt(currentObj.style.minWidth):defaultWidth;
this.drag.tableWidth = parseInt(this.table.table.style.width ?this.table.table.style.width:this.table.table.scrollWidth);
};
/**
* 调整列宽的up事件
* @memberof TableHeader
*/
onLineMouseUp = (event) => {
let width = this.drag.newWidth;
this.clearDragBorder(event);
this.props.onDropBorder && this.props.onDropBorder(event,width);
};
/**
* 调整列宽到区域以外的up事件
*/
bodyonLineMouseMove = (event) => {
this.clearDragBorder(event);
};
clearDragBorder(){
if(!this.drag || !this.drag.option)return;
let {rows} = this.props;
let data = {rows:rows[0],cols:this.table.cols,currIndex:this.drag.currIndex};
this.props.afterDragColWidth && this.props.afterDragColWidth(data);
this.drag = {
option:""
};
if (this.props.draggable){
this.removeDragAbleEvent();
}
}
//---拖拽列宽代码逻辑----start----- //---拖拽列宽代码逻辑----start-----
/** /**
@ -593,8 +581,9 @@ class TableHeader extends Component {
let attr = dragborder ? { id: `u-table-drag-thead-${this.theadKey}` } : {}; let attr = dragborder ? { id: `u-table-drag-thead-${this.theadKey}` } : {};
return ( return (
<thead className={`${clsPrefix}-thead`} {...attr} data-theader-fixed='scroll' ref={_thead=>this._thead = _thead} > <thead className={`${clsPrefix}-thead`} {...attr} data-theader-fixed='scroll' ref={_thead=>this._thead = _thead} >
{rows.map((row, index) => ( {rows.map((row, index) => {
<tr key={index} style={rowStyle} className={(filterable && index == rows.length - 1)?'filterable':''}> let _rowLeng = (row.length-1);
return(<tr key={index} style={rowStyle} className={(filterable && index == rows.length - 1)?'filterable':''}>
{row.map((da, columIndex, arr) => { {row.map((da, columIndex, arr) => {
let thHover = da.drgHover let thHover = da.drgHover
? ` ${clsPrefix}-thead th-drag-hover` ? ` ${clsPrefix}-thead th-drag-hover`
@ -642,17 +631,16 @@ class TableHeader extends Component {
thClassName += ` ${clsPrefix}-thead-th ${canDotDrag}`; thClassName += ` ${clsPrefix}-thead-th ${canDotDrag}`;
} }
thClassName += ` ${fixedStyle}`; thClassName += ` ${fixedStyle}`;
if(!da.fixed && columIndex != _rowLeng){
if(!da.fixed){
return (<th {...da} {...keyTemp} className={thClassName} data-th-fixed={da.fixed} return (<th {...da} {...keyTemp} className={thClassName} data-th-fixed={da.fixed}
data-line-key={da.key} data-line-index={columIndex} data-th-width={da.width} > data-line-key={da.key} data-line-index={columIndex} data-th-width={da.width} data-row-leng="1111111111111" >
{da.children} {da.children}
{ {
dragborder ? <div ref={el => (this.gap = el)} data-line-key={da.key} dragborder ? <div ref={el => (this.gap = el)} data-line-key={da.key}
data-line-index={columIndex} data-th-width={da.width} data-line-index={columIndex} data-th-width={da.width}
data-type="online" className = {`${clsPrefix}-thead-th-drag-gap`}> data-type="online" className = {`${clsPrefix}-thead-th-drag-gap`}>
<div id='th-online' className='online' data-line-key={da.key} data-line-index={columIndex} data-th-width={da.width} /></div>:"" <div className='online' /></div>:""
} }
</th>) </th>)
}else{ }else{
@ -665,7 +653,7 @@ class TableHeader extends Component {
} }
})} })}
</tr> </tr>
))} )})}
</thead> </thead>
); );
} }