dhtmlxgrid_drag.js

WEB表格控件

//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/

 dhtmlXGridObject.prototype.enableDragAndDrop=function(mode){if (mode=="temporary_disabled"){this.dADTempOff=false;mode=true}else
 this.dADTempOff=true;this.dragAndDropOff=convertStringToBoolean(mode)};dhtmlXGridObject.prototype.setDragBehavior=function(mode){this.dadmodec=this.dadmodefix=0;switch (mode) {case "child": this.dadmode=0;this._sbmod=false;break;case "sibling": this.dadmode=1;this._sbmod=false;break;case "sibling-next": this.dadmode=1;this._sbmod=true;break;case "complex": this.dadmode=2;this._sbmod=false;break;case "complex-next": this.dadmode=2;this._sbmod=true;break}};dhtmlXGridObject.prototype.enableDragOrder=function(mode){this._dndorder=convertStringToBoolean(mode)};dhtmlXGridObject.prototype._checkParent=function(row,ids){var z=this._h2.get[row.idd].parent;if (!z.parent)return;for (var i=0;i<ids.length;i++)if (ids[i]==z.id)return true;return this._checkParent(this.rowsAr[z.id],ids)};dhtmlXGridObject.prototype._createDragNode=function(htmlObject,e){this.editStop();if (window.dhtmlDragAndDrop.dragNode)return null;if (!this.dADTempOff)return null;htmlObject.parentObject=new Object();htmlObject.parentObject.treeNod=this;if (!this.callEvent("onBeforeDrag",[htmlObject.parentNode.idd])) return null;var z=new Array();z[this.selMultiRows?z.length:0]=htmlObject.parentNode.idd;if (this.isTreeGrid()){for (var i=z.length-1;i>=0;i--)if (this._checkParent(this.rowsAr[z[i]],z)) z.splice(i,1)};var self=this;if (z.length && this._dndorder)z.sort(function(a,b){return (self.rowsAr[a].rowIndex>self.rowsAr[b].rowIndex?1:-1)});var el = this.getFirstParentOfType(_isIE?e.srcElement:e.target,"TD");if (el)this._dndExtra=el._cellIndex;this._dragged=new Array();for (var i=0;i<z.length;i++)if (this.rowsAr[z[i]]){this._dragged[this._dragged.length]=this.rowsAr[z[i]];this.rowsAr[z[i]].treeNod=this};htmlObject.parentObject.parentNode=htmlObject.parentNode;var dragSpan=document.createElement('div');dragSpan.innerHTML=this.rowToDragElement(htmlObject.parentNode.idd);dragSpan.style.position="absolute";dragSpan.className="dragSpanDiv";return dragSpan};dhtmlXGridObject.prototype._createSdrgc=function(){this._sdrgc=document.createElement("DIV");this._sdrgc.innerHTML="&nbsp;";this._sdrgc.className="gridDragLine";this.objBox.appendChild(this._sdrgc)};function dragContext(a,b,c,d,e,f,j,h,k,l){this.source=a||"grid";this.target=b||"grid";this.mode=c||"move";this.dropmode=d||"child";this.sid=e||0;this.tid=f||window.unknown;this.sobj=j||null;this.tobj=h||null;this.sExtra=k||null;this.tExtra=l||null;return this};dragContext.prototype.valid=function(){if (this.sobj!=this.tobj)return true;if (this.sid==this.tid)return false;if (this.target=="treeGrid"){var z=this.tid
 while (z = this.tobj.getParentId(z)){if (this.sid==z)return false}};return true};dragContext.prototype.close=function(){this.sobj=null;this.tobj=null};dragContext.prototype.copy=function(){return new dragContext(this.source,this.target,this.mode,this.dropmode,this.sid,this.tid,this.sobj,this.tobj,this.sExtra,this.tExtra)};dragContext.prototype.set=function(a,b){this[a]=b;return this};dragContext.prototype.uid=function(a,b){this.nid=this.sid;while (this.tobj.rowsAr[this.nid])this.nid=this.nid+((new Date()).valueOf());return this};dragContext.prototype.data=function(){if (this.sobj==this.tobj)return this.sobj._getRowArray(this.sobj.rowsAr[this.sid]);if (this.source=="tree")return this.tobj.treeToGridElement(this.sobj,this.sid,this.tid);else
 return this.tobj.gridToGrid(this.sid,this.sobj,this.tobj)};dragContext.prototype.childs=function(){if (this.source=="treeGrid")return this.sobj._h2.get[this.sid]._xml_await?this.sobj._h2.get[this.sid].has_kids:null;return null};dragContext.prototype.pid=function(){if (this.tid==window.unknown)return 0;if (!this.tobj._h2)return 0;if (this.target=="treeGrid")if (this.dropmode=="child")return this.tid;else{var z=this.tobj.rowsAr[this.tid];var apid=this.tobj._h2.get[z.idd].parent.id;if ((this.alfa)&&(this.tobj._sbmod)&&(z.nextSibling)){var zpid=this.tobj._h2.get[z.nextSibling.idd].parent.id;if (zpid==this.tid)return this.tid;if (zpid!=apid)return zpid};return apid}};dragContext.prototype.ind=function(){if (this.tid==window.unknown)return 0;if (this.target=="treeGrid"){if (this.dropmode=="child")this.tobj.openItem(this.tid);else
 this.tobj.openItem(this.tobj.getParentId(this.tid))};var ind=this.tobj.rowsCol._dhx_find(this.tobj.rowsAr[this.tid]);if ((this.alfa)&&(this.tobj._sbmod)&&(this.dropmode=="sibling")){var z=this.tobj.rowsAr[this.tid];if ((z.nextSibling)&&(this._h2.get[z.nextSibling.idd].parent.id==this.tid))
 return ind+1};return (ind+1+((this.target=="treeGrid" && ind>=0 && this.tobj._h2.get[this.tobj.rowsCol[ind].idd].state=="minus")?this.tobj._getOpenLenght(this.tobj.rowsCol[ind].idd,0):0))};dragContext.prototype.img=function(){if ((this.target!="grid")&&(this.sobj._h2))
 return this.sobj.getItemImage(this.sid);else return null};dragContext.prototype.slist=function(){var res=new Array();for (var i=0;i<this.sid.length;i++)res[res.length]=this.sid[i][(this.source=="tree")?"id":"idd"];return res.join(",")};dhtmlXGridObject.prototype._drag=function(sourceHtmlObject,dhtmlObject,targetHtmlObject,lastLanding){var z=(this.lastLanding)
 
 if (this._autoOpenTimer)window.clearTimeout(this._autoOpenTimer);var r1=targetHtmlObject.parentNode;var r2=sourceHtmlObject.parentObject;if (!r1.idd){r1.grid=this;this.dadmodefix=0};var c=new dragContext(0,0,0,(r1.grid.dadmodec?"sibling":"child"));if (r2 && r2.childNodes)c.set("source","tree").set("sobj",r2.treeNod).set("sid",c.sobj._dragged);else{if (r2.treeNod.isTreeGrid()) c.set("source","treeGrid");c.set("sobj",r2.treeNod).set("sid",c.sobj._dragged)};if (r1.grid.isTreeGrid())
 c.set("target","treeGrid");else
 c.set("dropmode","sibling");c.set("tobj",r1.grid).set("tid",r1.idd);var el = this.getFirstParentOfType(lastLanding,"TD")
 if (el)c.set("tExtra",el._cellIndex);if (el)c.set("sExtra",c.sobj._dndExtra);if (c.sobj.dpcpy)c.set("mode","copy");c.tobj._clearMove();c.tobj.dragContext=c;if (!c.tobj.callEvent("onDrag",[c.slist(),c.tid,c.sobj,c.tobj,c.sExtra,c.tExtra])) return;var result=new Array();if (typeof(c.sid)=="object"){var nc=c.copy();for (var i=0;i<c.sid.length;i++){if (!nc.set("alfa",(!i)).set("sid",c.sid[i][(c.source=="tree"?"id":"idd")]).valid()) continue;nc.tobj._dragRoutine(nc);result[result.length]=nc.nid;nc.set("dropmode","sibling").set("tid",nc.nid)};nc.close()}else
 c.tobj._dragRoutine(c);if (c.tobj.laterLink)c.tobj.laterLink();c.tobj.callEvent("onDrop",[c.slist(),c.tid,result.join(","),c.sobj,c.tobj,c.sExtra,c.tExtra]);c.tobj.dragContext=null;c.close()};dhtmlXGridObject.prototype._dragRoutine=function(c){if ((c.sobj==c.tobj)&&(c.source=="grid")&&(c.mode=="move")){if (c.sobj._dndProblematic)return;var fr=c.sobj.rowsAr[c.sid];var bind=c.sobj.rowsCol._dhx_find(fr);c.sobj.rowsCol._dhx_removeAt(c.sobj.rowsCol._dhx_find(fr));c.sobj.rowsBuffer._dhx_removeAt(c.sobj.rowsBuffer._dhx_find(fr));if (c.tobj._fake){c.tobj._fake.rowsCol._dhx_removeAt(bind);var tr=c.tobj._fake.rowsAr[c.sid];tr.parentNode.removeChild(tr)};c.sobj._insertRowAt(fr,c.ind());c.sobj.rowsBuffer._dhx_insertAt(c.ind(),fr)

 c.nid=c.sid;return};var new_row=c.uid().tobj.addRow(c.nid,c.data(),c.ind(),c.pid(),c.img(),c.childs());if (c.source=="tree"){this.callEvent("onRowAdded",[c.nid]);var sn=c.sobj._globalIdStorageFind(c.sid);if (sn.childsCount){var nc=c.copy().set("tid",c.nid).set("dropmode",c.target=="grid"?"sibling":"child");for(var j=0;j<sn.childsCount;j++){c.tobj._dragRoutine(nc.set("sid",sn.childNodes[j].id));if (c.mode=="move")j--};nc.close()}}else{c.tobj._copyUserData(c);this.callEvent("onRowAdded",[c.nid]);if ((c.source=="treeGrid")){if (c.sobj==c.tobj)new_row._xml=c.sobj.rowsAr[c.sid]._xml;var snc=c.sobj._h2.get[c.sid];if ((snc)&&(snc.childs.length)){var nc=c.copy().set("tid",c.nid);if(c.target=="grid")nc.set("dropmode","sibling");else {nc.tobj.openItem(c.tid);nc.set("dropmode","child")};var l=snc.childs.length;for(var j=0;j<l;j++){c.sobj.render_row_tree(null,snc.childs[j].id);c.tobj._dragRoutine(nc.set("sid",snc.childs[j].id));if (l!=snc.childs.length){j--;l=snc.childs.length}};nc.close()}}};if (c.mode=="move"){c.sobj[(c.source=="tree")?"deleteItem":"deleteRow"](c.sid);if ((c.sobj==c.tobj)&&(!c.tobj.rowsAr[c.sid])) {c.tobj.changeRowId(c.nid,c.sid);c.nid=c.sid}}};dhtmlXGridObject.prototype.gridToGrid = function(rowId,sgrid,tgrid){var z=new Array();for (var i=0;i<sgrid.hdr.rows[0].cells.length;i++)z[i]=sgrid.cells(rowId,i).getValue();return z};dhtmlXGridObject.prototype.checkParentLine=function(node,id){if ((!this._h2)||(!id)||(!node)) return false;if (node.id==id)return true;else return this.checkParentLine(node.parent,id)};dhtmlXGridObject.prototype._dragIn=function(htmlObject,shtmlObject,x,y){if (!this.dADTempOff)return 0;var tree=this.isTreeGrid();if(htmlObject.parentNode==shtmlObject.parentNode)return 0;if ((tree)&&((this.checkParentLine(this._h2.get[htmlObject.parentNode.idd],shtmlObject.parentNode.idd))))
 return 0;var obj=shtmlObject.parentNode.idd?shtmlObject.parentNode:shtmlObject.parentObject;if (!this.callEvent("onDragIn",[obj.idd||obj.id,htmlObject.parentNode.idd,obj.grid||obj.treeNod,htmlObject.parentNode.grid]))
 return this._setMove(htmlObject,x,y,true);this._setMove(htmlObject,x,y);if ((tree)&&(htmlObject.parentNode.expand!="")){this._autoOpenTimer=window.setTimeout(new callerFunction(this._autoOpenItem,this),1000);this._autoOpenId=htmlObject.parentNode.idd}else
 if (this._autoOpenTimer)window.clearTimeout(this._autoOpenTimer);return htmlObject};dhtmlXGridObject.prototype._autoOpenItem=function(e,gridObject){gridObject.openItem(gridObject._autoOpenId)};dhtmlXGridObject.prototype._dragOut=function(htmlObject){this._clearMove();var obj=htmlObject.parentNode.parentObject?htmlObject.parentObject.id:htmlObject.parentNode.idd;this.callEvent("onDragOut",[obj]);if (this._autoOpenTimer)window.clearTimeout(this._autoOpenTimer)};dhtmlXGridObject.prototype._setMove=function(htmlObject,x,y,skip){var a1=getAbsoluteTop(htmlObject);var a2=getAbsoluteTop(this.objBox);if ( (a1-a2-parseInt(this.objBox.scrollTop))>(parseInt(this.objBox.offsetHeight)-50) )
 this.objBox.scrollTop=parseInt(this.objBox.scrollTop)+20;if ( (a1-a2)<(parseInt(this.objBox.scrollTop)+30) )
 this.objBox.scrollTop=parseInt(this.objBox.scrollTop)-20;if (skip)return 0;if (this.dadmode==2){var z=y-a1+this.objBox.scrollTop+(document.body.scrollTop||document.documentElement.scrollTop)-2-htmlObject.offsetHeight/2;if ((Math.abs(z)-htmlObject.offsetHeight/6)>0)
 {this.dadmodec=1;if (z<0)this.dadmodefix=-1;else this.dadmodefix=1}else this.dadmodec=0}else
 this.dadmodec=this.dadmode;if (this.dadmodec){if (!this._sdrgc)this._createSdrgc();this._sdrgc.style.display="block";this._sdrgc.style.top=a1-a2+((this.dadmodefix>=0)?htmlObject.offsetHeight:0)+"px"}else{this._llSelD=htmlObject;if (htmlObject.parentNode.tagName=="TR")for (var i=0;i<htmlObject.parentNode.childNodes.length;i++){var z= htmlObject.parentNode.childNodes[i];z._bgCol=z.style.backgroundColor;z.style.backgroundColor="#FFCCCC"}}};dhtmlXGridObject.prototype._clearMove=function(){if (this._sdrgc)this._sdrgc.style.display="none";if ((this._llSelD)&&(this._llSelD.parentNode.tagName=="TR"))
 for (var i=0;i<this._llSelD.parentNode.childNodes.length;i++)this._llSelD.parentNode.childNodes[i].style.backgroundColor=this._llSelD._bgCol;this._llSelD=null};dhtmlXGridObject.prototype.rowToDragElement=function(gridRowId){var out=this.cells(gridRowId,0).getValue();return out};dhtmlXGridObject.prototype._copyUserData = function(c){if(!c.tobj.UserData[c.nid])c.tobj.UserData[c.nid] = new Hashtable();var z1 = c.sobj.UserData[c.sid];var z2 = c.tobj.UserData[c.nid];if (z1){z2.keys = z2.keys.concat(z1.keys);z2.values = z2.values.concat(z1.values)}};dhtmlXGridObject.prototype.moveRow=function(rowId,mode,targetId,targetGrid){switch(mode){case "row_sibling":
 this.moveRowTo(rowId,targetId,"move","sibling",this,targetGrid);break;case "up":
 this.moveRowUp(rowId);break;case "down":
 this.moveRowDown(rowId);break}};
//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/