root / trunk / web / dojo / dojox / mdnd / dropMode / OverDropMode.js @ 9
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.mdnd.dropMode.OverDropMode"]){ |
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dojo._hasResource["dojox.mdnd.dropMode.OverDropMode"]=true; |
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dojo.provide("dojox.mdnd.dropMode.OverDropMode");
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dojo.require("dojox.mdnd.AreaManager");
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dojo.declare("dojox.mdnd.dropMode.OverDropMode",null,{_oldXPoint:null,_oldYPoint:null,_oldBehaviour:"up",constructor:function(){ |
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this._dragHandler=[dojo.connect(dojox.mdnd.areaManager(),"onDragEnter",function(_1,_2){ |
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var m=dojox.mdnd.areaManager();
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if(m._oldIndexArea==-1){ |
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m._oldIndexArea=m._lastValidIndexArea; |
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} |
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})]; |
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},addArea:function(_3,_4){ |
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var _5=_3.length,_6=dojo.position(_4.node,true); |
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_4.coords={"x":_6.x,"y":_6.y};
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if(_5==0){ |
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_3.push(_4); |
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}else{
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var x=_4.coords.x;
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for(var i=0;i<_5;i++){ |
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if(x<_3[i].coords.x){
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for(var j=_5-1;j>=i;j--){ |
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_3[j+1]=_3[j];
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} |
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_3[i]=_4; |
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break;
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} |
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} |
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if(i==_5){
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_3.push(_4); |
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} |
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} |
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return _3;
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},updateAreas:function(_7){ |
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var _8=_7.length;
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for(var i=0;i<_8;i++){ |
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this._updateArea(_7[i]);
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} |
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},_updateArea:function(_9){ |
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var _a=dojo.position(_9.node,true); |
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_9.coords.x=_a.x; |
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_9.coords.x2=_a.x+_a.w; |
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_9.coords.y=_a.y; |
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},initItems:function(_b){ |
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dojo.forEach(_b.items,function(_c){
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var _d=_c.item.node;
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var _e=dojo.position(_d,true); |
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var y=_e.y+_e.h/2; |
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_c.y=y; |
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}); |
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_b.initItems=true;
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},refreshItems:function(_f,_10,_11,_12){ |
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if(_10==-1){ |
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return;
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}else{
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if(_f&&_11&&_11.h){
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var _13=_11.h;
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if(_f.margin){
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_13+=_f.margin.t; |
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} |
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var _14=_f.items.length;
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for(var i=_10;i<_14;i++){ |
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var _15=_f.items[i];
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if(_12){
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_15.y+=_13; |
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}else{
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_15.y-=_13; |
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} |
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} |
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} |
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} |
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},getDragPoint:function(_16,_17,_18){ |
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return {"x":_18.x,"y":_18.y}; |
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},getTargetArea:function(_19,_1a,_1b){ |
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var _1c=0; |
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var x=_1a.x;
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var y=_1a.y;
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var end=_19.length;
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var _1d=0,_1e="right",_1f=false; |
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if(_1b==-1||arguments.length<3){ |
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_1f=true;
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}else{
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if(this._checkInterval(_19,_1b,x,y)){ |
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_1c=_1b; |
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}else{
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if(this._oldXPoint<x){ |
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_1d=_1b+1;
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}else{
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_1d=_1b-1;
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end=0;
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_1e="left";
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} |
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_1f=true;
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} |
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} |
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if(_1f){
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if(_1e==="right"){ |
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for(var i=_1d;i<end;i++){ |
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if(this._checkInterval(_19,i,x,y)){ |
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_1c=i; |
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break;
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} |
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} |
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if(i==end){
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_1c=-1;
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} |
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}else{
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for(var i=_1d;i>=end;i--){ |
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if(this._checkInterval(_19,i,x,y)){ |
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_1c=i; |
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break;
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} |
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} |
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if(i==end-1){ |
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_1c=-1;
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} |
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} |
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} |
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this._oldXPoint=x;
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return _1c;
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},_checkInterval:function(_20,_21,x,y){ |
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var _22=_20[_21];
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var _23=_22.node;
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var _24=_22.coords;
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var _25=_24.x;
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var _26=_24.x2;
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var _27=_24.y;
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var _28=_27+_23.offsetHeight;
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if(_25<=x&&x<=_26&&_27<=y&&y<=_28){
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return true; |
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} |
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return false; |
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},getDropIndex:function(_29,_2a){ |
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var _2b=_29.items.length;
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var _2c=_29.coords;
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var y=_2a.y;
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if(_2b>0){ |
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for(var i=0;i<_2b;i++){ |
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if(y<_29.items[i].y){
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return i;
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}else{
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if(i==_2b-1){ |
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return -1; |
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} |
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} |
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} |
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} |
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return -1; |
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},destroy:function(){ |
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dojo.forEach(this._dragHandler,dojo.disconnect);
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}}); |
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(function(){
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dojox.mdnd.areaManager()._dropMode=new dojox.mdnd.dropMode.OverDropMode();
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}()); |
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} |