root / trunk / web / dojo / dojox / layout / dnd / PlottedDnd.js @ 11
History | View | Annotate | Download (10.5 KB)
| 1 |
/*
|
|---|---|
| 2 |
Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
| 3 |
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
| 4 |
see: http://dojotoolkit.org/license for details
|
| 5 |
*/
|
| 6 |
|
| 7 |
|
| 8 |
if(!dojo._hasResource["dojox.layout.dnd.PlottedDnd"]){ |
| 9 |
dojo._hasResource["dojox.layout.dnd.PlottedDnd"]=true; |
| 10 |
dojo.provide("dojox.layout.dnd.PlottedDnd");
|
| 11 |
dojo.require("dojo.dnd.Source");
|
| 12 |
dojo.require("dojo.dnd.Manager");
|
| 13 |
dojo.require("dojox.layout.dnd.Avatar");
|
| 14 |
dojo.declare("dojox.layout.dnd.PlottedDnd",[dojo.dnd.Source],{GC_OFFSET_X:dojo.dnd.manager().OFFSET_X,GC_OFFSET_Y:dojo.dnd.manager().OFFSET_Y,constructor:function(_1,_2){ |
| 15 |
this.childBoxes=null; |
| 16 |
this.dropIndicator=new dojox.layout.dnd.DropIndicator("dndDropIndicator","div"); |
| 17 |
this.withHandles=_2.withHandles;
|
| 18 |
this.handleClasses=_2.handleClasses;
|
| 19 |
this.opacity=_2.opacity;
|
| 20 |
this.allowAutoScroll=_2.allowAutoScroll;
|
| 21 |
this.dom=_2.dom;
|
| 22 |
this.singular=true; |
| 23 |
this.skipForm=true; |
| 24 |
this._over=false; |
| 25 |
this.defaultHandleClass="GcDndHandle"; |
| 26 |
this.isDropped=false; |
| 27 |
this._timer=null; |
| 28 |
this.isOffset=(_2.isOffset)?true:false; |
| 29 |
this.offsetDrag=(_2.offsetDrag)?_2.offsetDrag:{x:0,y:0}; |
| 30 |
this.hideSource=_2.hideSource?_2.hideSource:true; |
| 31 |
this._drop=this.dropIndicator.create(); |
| 32 |
},_calculateCoords:function(_3){ |
| 33 |
dojo.forEach(this.node.childNodes,function(_4){ |
| 34 |
var c=dojo.coords(_4,true); |
| 35 |
_4.coords={xy:c,w:_4.offsetWidth/2,h:_4.offsetHeight/2,mw:c.w};
|
| 36 |
if(_3){
|
| 37 |
_4.coords.mh=c.h; |
| 38 |
} |
| 39 |
},this);
|
| 40 |
},_legalMouseDown:function(e){ |
| 41 |
if(!this.withHandles){ |
| 42 |
return true; |
| 43 |
} |
| 44 |
for(var _5=(e.target);_5&&_5!=this.node;_5=_5.parentNode){ |
| 45 |
if(dojo.hasClass(_5,this.defaultHandleClass)){ |
| 46 |
return true; |
| 47 |
} |
| 48 |
} |
| 49 |
return false; |
| 50 |
},setDndItemSelectable:function(_6,_7){ |
| 51 |
for(var _8=_6;_8&&_6!=this.node;_8=_8.parentNode){ |
| 52 |
if(dojo.hasClass(_8,"dojoDndItem")){ |
| 53 |
dojo.setSelectable(_8,_7); |
| 54 |
return;
|
| 55 |
} |
| 56 |
} |
| 57 |
},getDraggedWidget:function(_9){ |
| 58 |
var _a=_9;
|
| 59 |
while(_a&&_a.nodeName.toLowerCase()!="body"&&!dojo.hasClass(_a,"dojoDndItem")){ |
| 60 |
_a=_a.parentNode; |
| 61 |
} |
| 62 |
return (_a)?dijit.byNode(_a):null; |
| 63 |
},isAccepted:function(_b){ |
| 64 |
var _c=(_b)?_b.getAttribute("dndtype"):null; |
| 65 |
return (_c&&_c in this.accept); |
| 66 |
},onDndStart:function(_d,_e,_f){ |
| 67 |
this.firstIndicator=(_d==this); |
| 68 |
this._calculateCoords(true); |
| 69 |
var m=dojo.dnd.manager();
|
| 70 |
if(_e[0].coords){ |
| 71 |
this._drop.style.height=_e[0].coords.mh+"px"; |
| 72 |
dojo.style(m.avatar.node,"width",_e[0].coords.mw+"px"); |
| 73 |
}else{
|
| 74 |
this._drop.style.height=m.avatar.node.clientHeight+"px"; |
| 75 |
} |
| 76 |
this.dndNodes=_e;
|
| 77 |
dojox.layout.dnd.PlottedDnd.superclass.onDndStart.call(this,_d,_e,_f);
|
| 78 |
if(_d==this&&this.hideSource){ |
| 79 |
dojo.forEach(_e,function(n){
|
| 80 |
dojo.style(n,"display","none"); |
| 81 |
}); |
| 82 |
} |
| 83 |
},onDndCancel:function(){ |
| 84 |
var m=dojo.dnd.manager();
|
| 85 |
if(m.source==this&&this.hideSource){ |
| 86 |
var _10=this.getSelectedNodes(); |
| 87 |
dojo.forEach(_10,function(n){
|
| 88 |
dojo.style(n,"display",""); |
| 89 |
}); |
| 90 |
} |
| 91 |
dojox.layout.dnd.PlottedDnd.superclass.onDndCancel.call(this);
|
| 92 |
this.deleteDashedZone();
|
| 93 |
},onDndDrop:function(_11,_12,_13,_14){ |
| 94 |
try{
|
| 95 |
if(!this.isAccepted(_12[0])){ |
| 96 |
this.onDndCancel();
|
| 97 |
}else{
|
| 98 |
if(_11==this&&this._over&&this.dropObject){ |
| 99 |
this.current=this.dropObject.c; |
| 100 |
} |
| 101 |
dojox.layout.dnd.PlottedDnd.superclass.onDndDrop.call(this,_11,_12,_13,_14);
|
| 102 |
this._calculateCoords(true); |
| 103 |
} |
| 104 |
} |
| 105 |
catch(e){
|
| 106 |
console.warn(e); |
| 107 |
} |
| 108 |
},onMouseDown:function(e){ |
| 109 |
if(this.current==null){ |
| 110 |
this.selection={};
|
| 111 |
}else{
|
| 112 |
if(this.current==this.anchor){ |
| 113 |
this.anchor=null; |
| 114 |
} |
| 115 |
} |
| 116 |
if(this.current!==null){ |
| 117 |
var c=dojo.coords(this.current,true); |
| 118 |
this.current.coords={xy:c,w:this.current.offsetWidth/2,h:this.current.offsetHeight/2,mh:c.h,mw:c.w}; |
| 119 |
this._drop.style.height=this.current.coords.mh+"px"; |
| 120 |
if(this.isOffset){ |
| 121 |
if(this.offsetDrag.x==0&&this.offsetDrag.y==0){ |
| 122 |
var _15=true; |
| 123 |
var _16=dojo.coords(this._getChildByEvent(e)); |
| 124 |
this.offsetDrag.x=_16.x-e.pageX;
|
| 125 |
this.offsetDrag.y=_16.y-e.clientY;
|
| 126 |
} |
| 127 |
if(this.offsetDrag.y<16&&this.current!=null){ |
| 128 |
this.offsetDrag.y=this.GC_OFFSET_Y; |
| 129 |
} |
| 130 |
var m=dojo.dnd.manager();
|
| 131 |
m.OFFSET_X=this.offsetDrag.x;
|
| 132 |
m.OFFSET_Y=this.offsetDrag.y;
|
| 133 |
if(_15){
|
| 134 |
this.offsetDrag.x=0; |
| 135 |
this.offsetDrag.y=0; |
| 136 |
} |
| 137 |
} |
| 138 |
} |
| 139 |
if(dojo.dnd.isFormElement(e)){
|
| 140 |
this.setDndItemSelectable(e.target,true); |
| 141 |
}else{
|
| 142 |
this.containerSource=true; |
| 143 |
var _17=this.getDraggedWidget(e.target); |
| 144 |
if(_17&&_17.dragRestriction){
|
| 145 |
}else{
|
| 146 |
dojox.layout.dnd.PlottedDnd.superclass.onMouseDown.call(this,e);
|
| 147 |
} |
| 148 |
} |
| 149 |
},onMouseUp:function(e){ |
| 150 |
dojox.layout.dnd.PlottedDnd.superclass.onMouseUp.call(this,e);
|
| 151 |
this.containerSource=false; |
| 152 |
if(!dojo.isIE&&this.mouseDown){ |
| 153 |
this.setDndItemSelectable(e.target,true); |
| 154 |
} |
| 155 |
var m=dojo.dnd.manager();
|
| 156 |
m.OFFSET_X=this.GC_OFFSET_X;
|
| 157 |
m.OFFSET_Y=this.GC_OFFSET_Y;
|
| 158 |
},onMouseMove:function(e){ |
| 159 |
var m=dojo.dnd.manager();
|
| 160 |
if(this.isDragging){ |
| 161 |
var _18=false; |
| 162 |
if(this.current!=null||(this.current==null&&!this.dropObject)){ |
| 163 |
if(this.isAccepted(m.nodes[0])||this.containerSource){ |
| 164 |
_18=this.setIndicatorPosition(e);
|
| 165 |
} |
| 166 |
} |
| 167 |
if(this.current!=this.targetAnchor||_18!=this.before){ |
| 168 |
this._markTargetAnchor(_18);
|
| 169 |
m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection)); |
| 170 |
} |
| 171 |
if(this.allowAutoScroll){ |
| 172 |
this._checkAutoScroll(e);
|
| 173 |
} |
| 174 |
}else{
|
| 175 |
if(this.mouseDown&&this.isSource){ |
| 176 |
var _19=this.getSelectedNodes(); |
| 177 |
if(_19.length){
|
| 178 |
m.startDrag(this,_19,this.copyState(dojo.isCopyKey(e))); |
| 179 |
} |
| 180 |
} |
| 181 |
if(this.allowAutoScroll){ |
| 182 |
this._stopAutoScroll();
|
| 183 |
} |
| 184 |
} |
| 185 |
},_markTargetAnchor:function(_1a){ |
| 186 |
if(this.current==this.targetAnchor&&this.before==_1a){ |
| 187 |
return;
|
| 188 |
} |
| 189 |
this.targetAnchor=this.current; |
| 190 |
this.targetBox=null; |
| 191 |
this.before=_1a;
|
| 192 |
},_unmarkTargetAnchor:function(){ |
| 193 |
if(!this.targetAnchor){ |
| 194 |
return;
|
| 195 |
} |
| 196 |
this.targetAnchor=null; |
| 197 |
this.targetBox=null; |
| 198 |
this.before=true; |
| 199 |
},setIndicatorPosition:function(e){ |
| 200 |
var _1b=false; |
| 201 |
if(this.current){ |
| 202 |
if(!this.current.coords||this.allowAutoScroll){ |
| 203 |
this.current.coords={xy:dojo.coords(this.current,true),w:this.current.offsetWidth/2,h:this.current.offsetHeight/2}; |
| 204 |
} |
| 205 |
_1b=this.horizontal?(e.pageX-this.current.coords.xy.x)<this.current.coords.w:(e.pageY-this.current.coords.xy.y)<this.current.coords.h; |
| 206 |
this.insertDashedZone(_1b);
|
| 207 |
}else{
|
| 208 |
if(!this.dropObject){ |
| 209 |
this.insertDashedZone(false); |
| 210 |
} |
| 211 |
} |
| 212 |
return _1b;
|
| 213 |
},onOverEvent:function(){ |
| 214 |
this._over=true; |
| 215 |
dojox.layout.dnd.PlottedDnd.superclass.onOverEvent.call(this);
|
| 216 |
if(this.isDragging){ |
| 217 |
var m=dojo.dnd.manager();
|
| 218 |
if(!this.current&&!this.dropObject&&this.getSelectedNodes()[0]&&this.isAccepted(m.nodes[0])){ |
| 219 |
this.insertDashedZone(false); |
| 220 |
} |
| 221 |
} |
| 222 |
},onOutEvent:function(){ |
| 223 |
this._over=false; |
| 224 |
this.containerSource=false; |
| 225 |
dojox.layout.dnd.PlottedDnd.superclass.onOutEvent.call(this);
|
| 226 |
if(this.dropObject){ |
| 227 |
this.deleteDashedZone();
|
| 228 |
} |
| 229 |
},deleteDashedZone:function(){ |
| 230 |
this._drop.style.display="none"; |
| 231 |
var _1c=this._drop.nextSibling; |
| 232 |
while(_1c!=null){ |
| 233 |
_1c.coords.xy.y-=parseInt(this._drop.style.height);
|
| 234 |
_1c=_1c.nextSibling; |
| 235 |
} |
| 236 |
delete this.dropObject; |
| 237 |
},insertDashedZone:function(_1d){ |
| 238 |
if(this.dropObject){ |
| 239 |
if(_1d==this.dropObject.b&&((this.current&&this.dropObject.c==this.current.id)||(!this.current&&!this.dropObject.c))){ |
| 240 |
return;
|
| 241 |
}else{
|
| 242 |
this.deleteDashedZone();
|
| 243 |
} |
| 244 |
} |
| 245 |
this.dropObject={n:this._drop,c:this.current?this.current.id:null,b:_1d}; |
| 246 |
if(this.current){ |
| 247 |
dojo.place(this._drop,this.current,_1d?"before":"after"); |
| 248 |
if(!this.firstIndicator){ |
| 249 |
var _1e=this._drop.nextSibling; |
| 250 |
while(_1e!=null){ |
| 251 |
_1e.coords.xy.y+=parseInt(this._drop.style.height);
|
| 252 |
_1e=_1e.nextSibling; |
| 253 |
} |
| 254 |
}else{
|
| 255 |
this.firstIndicator=false; |
| 256 |
} |
| 257 |
}else{
|
| 258 |
this.node.appendChild(this._drop); |
| 259 |
} |
| 260 |
this._drop.style.display=""; |
| 261 |
},insertNodes:function(_1f,_20,_21,_22){ |
| 262 |
if(this.dropObject){ |
| 263 |
dojo.style(this.dropObject.n,"display","none"); |
| 264 |
dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,true,_20,true,this.dropObject.n); |
| 265 |
this.deleteDashedZone();
|
| 266 |
}else{
|
| 267 |
return dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,_1f,_20,_21,_22); |
| 268 |
} |
| 269 |
var _23=dijit.byId(_20[0].getAttribute("widgetId")); |
| 270 |
if(_23){
|
| 271 |
dojox.layout.dnd._setGcDndHandle(_23,this.withHandles,this.handleClasses); |
| 272 |
if(this.hideSource){ |
| 273 |
dojo.style(_23.domNode,"display",""); |
| 274 |
} |
| 275 |
} |
| 276 |
},_checkAutoScroll:function(e){ |
| 277 |
if(this._timer){ |
| 278 |
clearTimeout(this._timer);
|
| 279 |
} |
| 280 |
this._stopAutoScroll();
|
| 281 |
var _24=this.dom,y=this._sumAncestorProperties(_24,"offsetTop"); |
| 282 |
if((e.pageY-_24.offsetTop+30)>_24.clientHeight){ |
| 283 |
this.autoScrollActive=true; |
| 284 |
this._autoScrollDown(_24);
|
| 285 |
}else{
|
| 286 |
if((_24.scrollTop>0)&&(e.pageY-y)<30){ |
| 287 |
this.autoScrollActive=true; |
| 288 |
this._autoScrollUp(_24);
|
| 289 |
} |
| 290 |
} |
| 291 |
},_autoScrollUp:function(_25){ |
| 292 |
if(this.autoScrollActive&&_25.scrollTop>0){ |
| 293 |
_25.scrollTop-=30;
|
| 294 |
this._timer=setTimeout(dojo.hitch(this,"_autoScrollUp",_25),100); |
| 295 |
} |
| 296 |
},_autoScrollDown:function(_26){ |
| 297 |
if(this.autoScrollActive&&(_26.scrollTop<(_26.scrollHeight-_26.clientHeight))){ |
| 298 |
_26.scrollTop+=30;
|
| 299 |
this._timer=setTimeout(dojo.hitch(this,"_autoScrollDown",_26),100); |
| 300 |
} |
| 301 |
},_stopAutoScroll:function(){ |
| 302 |
this.autoScrollActive=false; |
| 303 |
},_sumAncestorProperties:function(_27,_28){ |
| 304 |
_27=dojo.byId(_27); |
| 305 |
if(!_27){
|
| 306 |
return 0; |
| 307 |
} |
| 308 |
var _29=0; |
| 309 |
while(_27){
|
| 310 |
var val=_27[_28];
|
| 311 |
if(val){
|
| 312 |
_29+=val-0;
|
| 313 |
if(_27==dojo.body()){
|
| 314 |
break;
|
| 315 |
} |
| 316 |
} |
| 317 |
_27=_27.parentNode; |
| 318 |
} |
| 319 |
return _29;
|
| 320 |
}}); |
| 321 |
dojox.layout.dnd._setGcDndHandle=function(_2a,_2b,_2c,_2d){ |
| 322 |
var cls="GcDndHandle"; |
| 323 |
if(!_2d){
|
| 324 |
dojo.query(".GcDndHandle",_2a.domNode).removeClass(cls);
|
| 325 |
} |
| 326 |
if(!_2b){
|
| 327 |
dojo.addClass(_2a.domNode,cls); |
| 328 |
}else{
|
| 329 |
var _2e=false; |
| 330 |
for(var i=_2c.length-1;i>=0;i--){ |
| 331 |
var _2f=dojo.query("."+_2c[i],_2a.domNode)[0]; |
| 332 |
if(_2f){
|
| 333 |
_2e=true;
|
| 334 |
if(_2c[i]!=cls){
|
| 335 |
var _30=dojo.query("."+cls,_2a.domNode); |
| 336 |
if(_30.length==0){ |
| 337 |
dojo.removeClass(_2a.domNode,cls); |
| 338 |
}else{
|
| 339 |
_30.removeClass(cls); |
| 340 |
} |
| 341 |
dojo.addClass(_2f,cls); |
| 342 |
} |
| 343 |
} |
| 344 |
} |
| 345 |
if(!_2e){
|
| 346 |
dojo.addClass(_2a.domNode,cls); |
| 347 |
} |
| 348 |
} |
| 349 |
}; |
| 350 |
dojo.declare("dojox.layout.dnd.DropIndicator",null,{constructor:function(cn,tag){ |
| 351 |
this.tag=tag||"div"; |
| 352 |
this.style=cn||null; |
| 353 |
},isInserted:function(){ |
| 354 |
return (this.node.parentNode&&this.node.parentNode.nodeType==1); |
| 355 |
},create:function(){ |
| 356 |
if(this.node&&this.isInserted()){ |
| 357 |
return this.node; |
| 358 |
} |
| 359 |
var h="90px",el=dojo.doc.createElement(this.tag); |
| 360 |
if(this.style){ |
| 361 |
el.className=this.style;
|
| 362 |
el.style.height=h; |
| 363 |
}else{
|
| 364 |
dojo.style(el,{position:"relative",border:"1px dashed #F60",margin:"2px",height:h});
|
| 365 |
} |
| 366 |
this.node=el;
|
| 367 |
return el;
|
| 368 |
},destroy:function(){ |
| 369 |
if(!this.node||!this.isInserted()){ |
| 370 |
return;
|
| 371 |
} |
| 372 |
this.node.parentNode.removeChild(this.node); |
| 373 |
this.node=null; |
| 374 |
}}); |
| 375 |
dojo.extend(dojo.dnd.Manager,{canDrop:function(_31){
|
| 376 |
var _32=this.target&&_31; |
| 377 |
if(this.canDropFlag!=_32){ |
| 378 |
this.canDropFlag=_32;
|
| 379 |
if(this.avatar){ |
| 380 |
this.avatar.update();
|
| 381 |
} |
| 382 |
} |
| 383 |
},makeAvatar:function(){ |
| 384 |
return (this.source.declaredClass=="dojox.layout.dnd.PlottedDnd")?new dojox.layout.dnd.Avatar(this,this.source.opacity):new dojo.dnd.Avatar(this); |
| 385 |
}}); |
| 386 |
if(dojo.isIE){
|
| 387 |
dojox.layout.dnd.handdleIE=[dojo.subscribe("/dnd/start",null,function(){ |
| 388 |
IEonselectstart=document.body.onselectstart; |
| 389 |
document.body.onselectstart=function(){ |
| 390 |
return false; |
| 391 |
}; |
| 392 |
}),dojo.subscribe("/dnd/cancel",null,function(){ |
| 393 |
document.body.onselectstart=IEonselectstart; |
| 394 |
}),dojo.subscribe("/dnd/drop",null,function(){ |
| 395 |
document.body.onselectstart=IEonselectstart; |
| 396 |
})]; |
| 397 |
dojo.addOnWindowUnload(function(){
|
| 398 |
dojo.forEach(dojox.layout.dnd.handdleIE,dojo.unsubscribe); |
| 399 |
}); |
| 400 |
} |
| 401 |
} |