root / trunk / web / dojo / dojox / mdnd / dropMode / DefaultDropMode.js
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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.DefaultDropMode"]){ |
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dojo._hasResource["dojox.mdnd.dropMode.DefaultDropMode"]=true; |
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dojo.provide("dojox.mdnd.dropMode.DefaultDropMode");
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dojo.require("dojox.mdnd.AreaManager");
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dojo.declare("dojox.mdnd.dropMode.DefaultDropMode",null,{_oldXPoint:null,_oldYPoint:null,_oldBehaviour:"up",addArea:function(_1,_2){ |
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var _3=_1.length;
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var _4=dojo.position(_2.node,true); |
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_2.coords={"x":_4.x,"y":_4.y};
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if(_3==0){ |
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_1.push(_2); |
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}else{
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var x=_2.coords.x;
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for(var i=0;i<_3;i++){ |
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if(x<_1[i].coords.x){
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for(var j=_3-1;j>=i;j--){ |
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_1[j+1]=_1[j];
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} |
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_1[i]=_2; |
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break;
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} |
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} |
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if(i==_3){
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_1.push(_2); |
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} |
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} |
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return _1;
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},updateAreas:function(_5){ |
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var _6=_5.length;
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if(_6>1){ |
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var _7,_8;
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for(var i=0;i<_6;i++){ |
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var _9=_5[i];
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var _a;
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_9.coords.x1=-1;
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_9.coords.x2=-1;
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if(i==0){ |
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_a=_5[i+1];
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this._updateArea(_9);
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this._updateArea(_a);
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_7=_9.coords.x+_9.node.offsetWidth; |
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_8=_a.coords.x; |
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_9.coords.x2=_7+(_8-_7)/2;
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}else{
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if(i==_6-1){ |
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_9.coords.x1=_5[i-1].coords.x2;
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}else{
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_a=_5[i+1];
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this._updateArea(_a);
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_7=_9.coords.x+_9.node.offsetWidth; |
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_8=_a.coords.x; |
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_9.coords.x1=_5[i-1].coords.x2;
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_9.coords.x2=_7+(_8-_7)/2;
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} |
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} |
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} |
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} |
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},_updateArea:function(_b){ |
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var _c=dojo.position(_b.node,true); |
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_b.coords.x=_c.x; |
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_b.coords.y=_c.y; |
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},initItems:function(_d){ |
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dojo.forEach(_d.items,function(_e){
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var _f=_e.item.node;
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var _10=dojo.position(_f,true); |
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var y=_10.y+_10.h/2; |
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_e.y=y; |
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}); |
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_d.initItems=true;
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},refreshItems:function(_11,_12,_13,_14){ |
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if(_12==-1){ |
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return;
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}else{
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if(_11&&_13&&_13.h){
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var _15=_13.h;
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if(_11.margin){
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_15+=_11.margin.t; |
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} |
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var _16=_11.items.length;
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for(var i=_12;i<_16;i++){ |
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var _17=_11.items[i];
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if(_14){
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_17.y+=_15; |
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}else{
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_17.y-=_15; |
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} |
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} |
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} |
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} |
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},getDragPoint:function(_18,_19,_1a){ |
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var y=_18.y;
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if(this._oldYPoint){ |
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if(y>this._oldYPoint){ |
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this._oldBehaviour="down"; |
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y+=_19.h; |
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}else{
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if(y<=this._oldYPoint){ |
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this._oldBehaviour="up"; |
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} |
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} |
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} |
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this._oldYPoint=y;
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return {"x":_18.x+(_19.w/2),"y":y}; |
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},getTargetArea:function(_1b,_1c,_1d){ |
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var _1e=0; |
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var x=_1c.x;
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var end=_1b.length;
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if(end>1){ |
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var _1f=0,_20="right",_21=false; |
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if(_1d==-1||arguments.length<3){ |
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_21=true;
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}else{
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if(this._checkInterval(_1b,_1d,x)){ |
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_1e=_1d; |
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}else{
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if(this._oldXPoint<x){ |
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_1f=_1d+1;
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}else{
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_1f=_1d-1;
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end=0;
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_20="left";
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} |
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_21=true;
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} |
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} |
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if(_21){
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if(_20==="right"){ |
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for(var i=_1f;i<end;i++){ |
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if(this._checkInterval(_1b,i,x)){ |
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_1e=i; |
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break;
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} |
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} |
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}else{
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for(var i=_1f;i>=end;i--){ |
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if(this._checkInterval(_1b,i,x)){ |
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_1e=i; |
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break;
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} |
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} |
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} |
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} |
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} |
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this._oldXPoint=x;
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return _1e;
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},_checkInterval:function(_22,_23,x){ |
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var _24=_22[_23].coords;
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if(_24.x1==-1){ |
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if(x<=_24.x2){
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return true; |
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} |
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}else{
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if(_24.x2==-1){ |
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if(x>_24.x1){
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return true; |
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} |
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}else{
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if(_24.x1<x&&x<=_24.x2){
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return true; |
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} |
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} |
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} |
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return false; |
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},getDropIndex:function(_25,_26){ |
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var _27=_25.items.length;
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var _28=_25.coords;
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var y=_26.y;
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if(_27>0){ |
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for(var i=0;i<_27;i++){ |
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if(y<_25.items[i].y){
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return i;
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}else{
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if(i==_27-1){ |
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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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}}); |
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(function(){
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dojox.mdnd.areaManager()._dropMode=new dojox.mdnd.dropMode.DefaultDropMode();
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}()); |
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} |