root / trunk / web / dojo / dojox / mdnd / dropMode / DefaultDropMode.js @ 10
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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.DefaultDropMode"]){ |
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| 9 | dojo._hasResource["dojox.mdnd.dropMode.DefaultDropMode"]=true; |
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| 10 | dojo.provide("dojox.mdnd.dropMode.DefaultDropMode");
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| 11 | dojo.require("dojox.mdnd.AreaManager");
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| 12 | dojo.declare("dojox.mdnd.dropMode.DefaultDropMode",null,{_oldXPoint:null,_oldYPoint:null,_oldBehaviour:"up",addArea:function(_1,_2){ |
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| 13 | var _3=_1.length;
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| 14 | var _4=dojo.position(_2.node,true); |
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| 15 | _2.coords={"x":_4.x,"y":_4.y};
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| 16 | if(_3==0){ |
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| 17 | _1.push(_2); |
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| 18 | }else{
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| 19 | var x=_2.coords.x;
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| 20 | for(var i=0;i<_3;i++){ |
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| 21 | if(x<_1[i].coords.x){
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| 22 | for(var j=_3-1;j>=i;j--){ |
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| 23 | _1[j+1]=_1[j];
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| 24 | } |
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| 25 | _1[i]=_2; |
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| 26 | break;
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| 27 | } |
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| 28 | } |
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| 29 | if(i==_3){
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| 30 | _1.push(_2); |
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| 31 | } |
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| 32 | } |
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| 33 | return _1;
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| 34 | },updateAreas:function(_5){ |
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| 35 | var _6=_5.length;
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| 36 | if(_6>1){ |
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| 37 | var _7,_8;
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| 38 | for(var i=0;i<_6;i++){ |
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| 39 | var _9=_5[i];
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| 40 | var _a;
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| 41 | _9.coords.x1=-1;
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| 42 | _9.coords.x2=-1;
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| 43 | if(i==0){ |
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| 44 | _a=_5[i+1];
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| 45 | this._updateArea(_9);
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| 46 | this._updateArea(_a);
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| 47 | _7=_9.coords.x+_9.node.offsetWidth; |
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| 48 | _8=_a.coords.x; |
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| 49 | _9.coords.x2=_7+(_8-_7)/2;
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| 50 | }else{
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| 51 | if(i==_6-1){ |
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| 52 | _9.coords.x1=_5[i-1].coords.x2;
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| 53 | }else{
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| 54 | _a=_5[i+1];
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| 55 | this._updateArea(_a);
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| 56 | _7=_9.coords.x+_9.node.offsetWidth; |
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| 57 | _8=_a.coords.x; |
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| 58 | _9.coords.x1=_5[i-1].coords.x2;
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| 59 | _9.coords.x2=_7+(_8-_7)/2;
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | },_updateArea:function(_b){ |
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| 65 | var _c=dojo.position(_b.node,true); |
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| 66 | _b.coords.x=_c.x; |
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| 67 | _b.coords.y=_c.y; |
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| 68 | },initItems:function(_d){ |
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| 69 | dojo.forEach(_d.items,function(_e){
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| 70 | var _f=_e.item.node;
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| 71 | var _10=dojo.position(_f,true); |
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| 72 | var y=_10.y+_10.h/2; |
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| 73 | _e.y=y; |
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| 74 | }); |
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| 75 | _d.initItems=true;
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| 76 | },refreshItems:function(_11,_12,_13,_14){ |
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| 77 | if(_12==-1){ |
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| 78 | return;
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| 79 | }else{
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| 80 | if(_11&&_13&&_13.h){
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| 81 | var _15=_13.h;
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| 82 | if(_11.margin){
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| 83 | _15+=_11.margin.t; |
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| 84 | } |
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| 85 | var _16=_11.items.length;
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| 86 | for(var i=_12;i<_16;i++){ |
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| 87 | var _17=_11.items[i];
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| 88 | if(_14){
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| 89 | _17.y+=_15; |
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| 90 | }else{
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| 91 | _17.y-=_15; |
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| 92 | } |
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| 93 | } |
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| 94 | } |
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| 95 | } |
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| 96 | },getDragPoint:function(_18,_19,_1a){ |
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| 97 | var y=_18.y;
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| 98 | if(this._oldYPoint){ |
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| 99 | if(y>this._oldYPoint){ |
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| 100 | this._oldBehaviour="down"; |
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| 101 | y+=_19.h; |
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| 102 | }else{
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| 103 | if(y<=this._oldYPoint){ |
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| 104 | this._oldBehaviour="up"; |
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| 105 | } |
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| 106 | } |
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| 107 | } |
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| 108 | this._oldYPoint=y;
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| 109 | return {"x":_18.x+(_19.w/2),"y":y}; |
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| 110 | },getTargetArea:function(_1b,_1c,_1d){ |
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| 111 | var _1e=0; |
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| 112 | var x=_1c.x;
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| 113 | var end=_1b.length;
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| 114 | if(end>1){ |
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| 115 | var _1f=0,_20="right",_21=false; |
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| 116 | if(_1d==-1||arguments.length<3){ |
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| 117 | _21=true;
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| 118 | }else{
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| 119 | if(this._checkInterval(_1b,_1d,x)){ |
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| 120 | _1e=_1d; |
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| 121 | }else{
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| 122 | if(this._oldXPoint<x){ |
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| 123 | _1f=_1d+1;
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| 124 | }else{
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| 125 | _1f=_1d-1;
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| 126 | end=0;
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| 127 | _20="left";
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| 128 | } |
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| 129 | _21=true;
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| 130 | } |
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| 131 | } |
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| 132 | if(_21){
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| 133 | if(_20==="right"){ |
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| 134 | for(var i=_1f;i<end;i++){ |
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| 135 | if(this._checkInterval(_1b,i,x)){ |
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| 136 | _1e=i; |
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| 137 | break;
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| 138 | } |
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| 139 | } |
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| 140 | }else{
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| 141 | for(var i=_1f;i>=end;i--){ |
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| 142 | if(this._checkInterval(_1b,i,x)){ |
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| 143 | _1e=i; |
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| 144 | break;
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | } |
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| 150 | this._oldXPoint=x;
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| 151 | return _1e;
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| 152 | },_checkInterval:function(_22,_23,x){ |
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| 153 | var _24=_22[_23].coords;
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| 154 | if(_24.x1==-1){ |
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| 155 | if(x<=_24.x2){
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| 156 | return true; |
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| 157 | } |
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| 158 | }else{
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| 159 | if(_24.x2==-1){ |
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| 160 | if(x>_24.x1){
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| 161 | return true; |
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| 162 | } |
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| 163 | }else{
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| 164 | if(_24.x1<x&&x<=_24.x2){
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| 165 | return true; |
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| 166 | } |
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| 167 | } |
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| 168 | } |
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| 169 | return false; |
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| 170 | },getDropIndex:function(_25,_26){ |
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| 171 | var _27=_25.items.length;
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| 172 | var _28=_25.coords;
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| 173 | var y=_26.y;
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| 174 | if(_27>0){ |
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| 175 | for(var i=0;i<_27;i++){ |
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| 176 | if(y<_25.items[i].y){
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| 177 | return i;
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| 178 | }else{
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| 179 | if(i==_27-1){ |
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| 180 | return -1; |
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| 181 | } |
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| 182 | } |
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| 183 | } |
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| 184 | } |
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| 185 | return -1; |
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| 186 | },destroy:function(){ |
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| 187 | }}); |
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| 188 | (function(){
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| 189 | dojox.mdnd.areaManager()._dropMode=new dojox.mdnd.dropMode.DefaultDropMode();
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| 190 | }()); |
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| 191 | } |