root / trunk / web / dojo / dojox / mdnd / dropMode / OverDropMode.js @ 13
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.mdnd.dropMode.OverDropMode"]){ |
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| 9 | dojo._hasResource["dojox.mdnd.dropMode.OverDropMode"]=true; |
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| 10 | dojo.provide("dojox.mdnd.dropMode.OverDropMode");
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| 11 | dojo.require("dojox.mdnd.AreaManager");
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| 12 | dojo.declare("dojox.mdnd.dropMode.OverDropMode",null,{_oldXPoint:null,_oldYPoint:null,_oldBehaviour:"up",constructor:function(){ |
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| 13 | this._dragHandler=[dojo.connect(dojox.mdnd.areaManager(),"onDragEnter",function(_1,_2){ |
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| 14 | var m=dojox.mdnd.areaManager();
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| 15 | if(m._oldIndexArea==-1){ |
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| 16 | m._oldIndexArea=m._lastValidIndexArea; |
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| 17 | } |
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| 18 | })]; |
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| 19 | },addArea:function(_3,_4){ |
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| 20 | var _5=_3.length,_6=dojo.position(_4.node,true); |
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| 21 | _4.coords={"x":_6.x,"y":_6.y};
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| 22 | if(_5==0){ |
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| 23 | _3.push(_4); |
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| 24 | }else{
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| 25 | var x=_4.coords.x;
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| 26 | for(var i=0;i<_5;i++){ |
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| 27 | if(x<_3[i].coords.x){
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| 28 | for(var j=_5-1;j>=i;j--){ |
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| 29 | _3[j+1]=_3[j];
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| 30 | } |
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| 31 | _3[i]=_4; |
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| 32 | break;
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| 33 | } |
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| 34 | } |
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| 35 | if(i==_5){
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| 36 | _3.push(_4); |
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| 37 | } |
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| 38 | } |
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| 39 | return _3;
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| 40 | },updateAreas:function(_7){ |
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| 41 | var _8=_7.length;
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| 42 | for(var i=0;i<_8;i++){ |
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| 43 | this._updateArea(_7[i]);
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| 44 | } |
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| 45 | },_updateArea:function(_9){ |
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| 46 | var _a=dojo.position(_9.node,true); |
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| 47 | _9.coords.x=_a.x; |
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| 48 | _9.coords.x2=_a.x+_a.w; |
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| 49 | _9.coords.y=_a.y; |
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| 50 | },initItems:function(_b){ |
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| 51 | dojo.forEach(_b.items,function(_c){
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| 52 | var _d=_c.item.node;
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| 53 | var _e=dojo.position(_d,true); |
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| 54 | var y=_e.y+_e.h/2; |
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| 55 | _c.y=y; |
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| 56 | }); |
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| 57 | _b.initItems=true;
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| 58 | },refreshItems:function(_f,_10,_11,_12){ |
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| 59 | if(_10==-1){ |
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| 60 | return;
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| 61 | }else{
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| 62 | if(_f&&_11&&_11.h){
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| 63 | var _13=_11.h;
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| 64 | if(_f.margin){
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| 65 | _13+=_f.margin.t; |
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| 66 | } |
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| 67 | var _14=_f.items.length;
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| 68 | for(var i=_10;i<_14;i++){ |
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| 69 | var _15=_f.items[i];
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| 70 | if(_12){
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| 71 | _15.y+=_13; |
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| 72 | }else{
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| 73 | _15.y-=_13; |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | } |
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| 78 | },getDragPoint:function(_16,_17,_18){ |
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| 79 | return {"x":_18.x,"y":_18.y}; |
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| 80 | },getTargetArea:function(_19,_1a,_1b){ |
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| 81 | var _1c=0; |
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| 82 | var x=_1a.x;
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| 83 | var y=_1a.y;
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| 84 | var end=_19.length;
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| 85 | var _1d=0,_1e="right",_1f=false; |
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| 86 | if(_1b==-1||arguments.length<3){ |
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| 87 | _1f=true;
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| 88 | }else{
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| 89 | if(this._checkInterval(_19,_1b,x,y)){ |
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| 90 | _1c=_1b; |
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| 91 | }else{
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| 92 | if(this._oldXPoint<x){ |
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| 93 | _1d=_1b+1;
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| 94 | }else{
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| 95 | _1d=_1b-1;
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| 96 | end=0;
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| 97 | _1e="left";
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| 98 | } |
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| 99 | _1f=true;
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| 100 | } |
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| 101 | } |
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| 102 | if(_1f){
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| 103 | if(_1e==="right"){ |
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| 104 | for(var i=_1d;i<end;i++){ |
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| 105 | if(this._checkInterval(_19,i,x,y)){ |
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| 106 | _1c=i; |
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| 107 | break;
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| 108 | } |
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| 109 | } |
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| 110 | if(i==end){
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| 111 | _1c=-1;
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| 112 | } |
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| 113 | }else{
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| 114 | for(var i=_1d;i>=end;i--){ |
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| 115 | if(this._checkInterval(_19,i,x,y)){ |
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| 116 | _1c=i; |
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| 117 | break;
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| 118 | } |
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| 119 | } |
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| 120 | if(i==end-1){ |
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| 121 | _1c=-1;
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| 122 | } |
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| 123 | } |
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| 124 | } |
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| 125 | this._oldXPoint=x;
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| 126 | return _1c;
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| 127 | },_checkInterval:function(_20,_21,x,y){ |
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| 128 | var _22=_20[_21];
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| 129 | var _23=_22.node;
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| 130 | var _24=_22.coords;
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| 131 | var _25=_24.x;
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| 132 | var _26=_24.x2;
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| 133 | var _27=_24.y;
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| 134 | var _28=_27+_23.offsetHeight;
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| 135 | if(_25<=x&&x<=_26&&_27<=y&&y<=_28){
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| 136 | return true; |
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| 137 | } |
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| 138 | return false; |
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| 139 | },getDropIndex:function(_29,_2a){ |
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| 140 | var _2b=_29.items.length;
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| 141 | var _2c=_29.coords;
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| 142 | var y=_2a.y;
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| 143 | if(_2b>0){ |
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| 144 | for(var i=0;i<_2b;i++){ |
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| 145 | if(y<_29.items[i].y){
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| 146 | return i;
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| 147 | }else{
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| 148 | if(i==_2b-1){ |
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| 149 | return -1; |
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| 150 | } |
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| 151 | } |
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| 152 | } |
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| 153 | } |
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| 154 | return -1; |
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| 155 | },destroy:function(){ |
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| 156 | dojo.forEach(this._dragHandler,dojo.disconnect);
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| 157 | }}); |
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| 158 | (function(){
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| 159 | dojox.mdnd.areaManager()._dropMode=new dojox.mdnd.dropMode.OverDropMode();
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| 160 | }()); |
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| 161 | } |