lib/dojo/_base/event.js

   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["dojo._base.event"]){
   9 dojo._hasResource["dojo._base.event"]=true;
  10 dojo.provide("dojo._base.event");
  11 dojo.require("dojo._base.connect");
  12 (function(){
  13 var _1=(dojo._event_listener={add:function(_2,_3,fp){
  14 if(!_2){
  15 return;
  16 }
  17 _3=_1._normalizeEventName(_3);
  18 fp=_1._fixCallback(_3,fp);
  19 var _4=_3;
  20 if(!dojo.isIE&&(_3=="mouseenter"||_3=="mouseleave")){
  21 var _5=fp;
  22 _3=(_3=="mouseenter")?"mouseover":"mouseout";
  23 fp=function(e){
  24 if(!dojo.isDescendant(e.relatedTarget,_2)){
  25 return _5.call(this,e);
  26 }
  27 };
  28 }
  29 _2.addEventListener(_3,fp,false);
  30 return fp;
  31 },remove:function(_6,_7,_8){
  32 if(_6){
  33 _7=_1._normalizeEventName(_7);
  34 if(!dojo.isIE&&(_7=="mouseenter"||_7=="mouseleave")){
  35 _7=(_7=="mouseenter")?"mouseover":"mouseout";
  36 }
  37 _6.removeEventListener(_7,_8,false);
  38 }
  39 },_normalizeEventName:function(_9){
  40 return _9.slice(0,2)=="on"?_9.slice(2):_9;
  41 },_fixCallback:function(_a,fp){
  42 return _a!="keypress"?fp:function(e){
  43 return fp.call(this,_1._fixEvent(e,this));
  44 };
  45 },_fixEvent:function(_b,_c){
  46 switch(_b.type){
  47 case "keypress":
  48 _1._setKeyChar(_b);
  49 break;
  50 }
  51 return _b;
  52 },_setKeyChar:function(_d){
  53 _d.keyChar=_d.charCode?String.fromCharCode(_d.charCode):"";
  54 _d.charOrCode=_d.keyChar||_d.keyCode;
  55 },_punctMap:{106:42,111:47,186:59,187:43,188:44,189:45,190:46,191:47,192:96,219:91,220:92,221:93,222:39}});
  56 dojo.fixEvent=function(_e,_f){
  57 return _1._fixEvent(_e,_f);
  58 };
  59 dojo.stopEvent=function(evt){
  60 evt.preventDefault();
  61 evt.stopPropagation();
  62 };
  63 var _10=dojo._listener;
  64 dojo._connect=function(obj,_11,_12,_13,_14){
  65 var _15=obj&&(obj.nodeType||obj.attachEvent||obj.addEventListener);
  66 var lid=_15?(_14?2:1):0,l=[dojo._listener,_1,_10][lid];
  67 var h=l.add(obj,_11,dojo.hitch(_12,_13));
  68 return [obj,_11,h,lid];
  69 };
  70 dojo._disconnect=function(obj,_16,_17,_18){
  71 ([dojo._listener,_1,_10][_18]).remove(obj,_16,_17);
  72 };
  73 dojo.keys={BACKSPACE:8,TAB:9,CLEAR:12,ENTER:13,SHIFT:16,CTRL:17,ALT:18,META:dojo.isSafari?91:224,PAUSE:19,CAPS_LOCK:20,ESCAPE:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT_ARROW:37,UP_ARROW:38,RIGHT_ARROW:39,DOWN_ARROW:40,INSERT:45,DELETE:46,HELP:47,LEFT_WINDOW:91,RIGHT_WINDOW:92,SELECT:93,NUMPAD_0:96,NUMPAD_1:97,NUMPAD_2:98,NUMPAD_3:99,NUMPAD_4:100,NUMPAD_5:101,NUMPAD_6:102,NUMPAD_7:103,NUMPAD_8:104,NUMPAD_9:105,NUMPAD_MULTIPLY:106,NUMPAD_PLUS:107,NUMPAD_ENTER:108,NUMPAD_MINUS:109,NUMPAD_PERIOD:110,NUMPAD_DIVIDE:111,F1:112,F2:113,F3:114,F4:115,F5:116,F6:117,F7:118,F8:119,F9:120,F10:121,F11:122,F12:123,F13:124,F14:125,F15:126,NUM_LOCK:144,SCROLL_LOCK:145,copyKey:dojo.isMac&&!dojo.isAIR?(dojo.isSafari?91:224):17};
  74 var _19=dojo.isMac?"metaKey":"ctrlKey";
  75 dojo.isCopyKey=function(e){
  76 return e[_19];
  77 };
  78 if(dojo.isIE){
  79 dojo.mouseButtons={LEFT:1,MIDDLE:4,RIGHT:2,isButton:function(e,_1a){
  80 return e.button&_1a;
  81 },isLeft:function(e){
  82 return e.button&1;
  83 },isMiddle:function(e){
  84 return e.button&4;
  85 },isRight:function(e){
  86 return e.button&2;
  87 }};
  88 }else{
  89 dojo.mouseButtons={LEFT:0,MIDDLE:1,RIGHT:2,isButton:function(e,_1b){
  90 return e.button==_1b;
  91 },isLeft:function(e){
  92 return e.button==0;
  93 },isMiddle:function(e){
  94 return e.button==1;
  95 },isRight:function(e){
  96 return e.button==2;
  97 }};
  98 }
  99 if(dojo.isIE){
 100 var _1c=function(e,_1d){
 101 try{
 102 return (e.keyCode=_1d);
 103 }
 104 catch(e){
 105 return 0;
 106 }
 107 };
 108 var iel=dojo._listener;
 109 var _1e=(dojo._ieListenersName="_"+dojo._scopeName+"_listeners");
 110 if(!dojo.config._allow_leaks){
 111 _10=iel=dojo._ie_listener={handlers:[],add:function(_1f,_20,_21){
 112 _1f=_1f||dojo.global;
 113 var f=_1f[_20];
 114 if(!f||!f[_1e]){
 115 var d=dojo._getIeDispatcher();
 116 d.target=f&&(ieh.push(f)-1);
 117 d[_1e]=[];
 118 f=_1f[_20]=d;
 119 }
 120 return f[_1e].push(ieh.push(_21)-1);
 121 },remove:function(_22,_23,_24){
 122 var f=(_22||dojo.global)[_23],l=f&&f[_1e];
 123 if(f&&l&&_24--){
 124 delete ieh[l[_24]];
 125 delete l[_24];
 126 }
 127 }};
 128 var ieh=iel.handlers;
 129 }
 130 dojo.mixin(_1,{add:function(_25,_26,fp){
 131 if(!_25){
 132 return;
 133 }
 134 _26=_1._normalizeEventName(_26);
 135 if(_26=="onkeypress"){
 136 var kd=_25.onkeydown;
 137 if(!kd||!kd[_1e]||!kd._stealthKeydownHandle){
 138 var h=_1.add(_25,"onkeydown",_1._stealthKeyDown);
 139 kd=_25.onkeydown;
 140 kd._stealthKeydownHandle=h;
 141 kd._stealthKeydownRefs=1;
 142 }else{
 143 kd._stealthKeydownRefs++;
 144 }
 145 }
 146 return iel.add(_25,_26,_1._fixCallback(fp));
 147 },remove:function(_27,_28,_29){
 148 _28=_1._normalizeEventName(_28);
 149 iel.remove(_27,_28,_29);
 150 if(_28=="onkeypress"){
 151 var kd=_27.onkeydown;
 152 if(--kd._stealthKeydownRefs<=0){
 153 iel.remove(_27,"onkeydown",kd._stealthKeydownHandle);
 154 delete kd._stealthKeydownHandle;
 155 }
 156 }
 157 },_normalizeEventName:function(_2a){
 158 return _2a.slice(0,2)!="on"?"on"+_2a:_2a;
 159 },_nop:function(){
 160 },_fixEvent:function(evt,_2b){
 161 if(!evt){
 162 var w=_2b&&(_2b.ownerDocument||_2b.document||_2b).parentWindow||window;
 163 evt=w.event;
 164 }
 165 if(!evt){
 166 return (evt);
 167 }
 168 evt.target=evt.srcElement;
 169 evt.currentTarget=(_2b||evt.srcElement);
 170 evt.layerX=evt.offsetX;
 171 evt.layerY=evt.offsetY;
 172 var se=evt.srcElement,doc=(se&&se.ownerDocument)||document;
 173 var _2c=((dojo.isIE<6)||(doc["compatMode"]=="BackCompat"))?doc.body:doc.documentElement;
 174 var _2d=dojo._getIeDocumentElementOffset();
 175 evt.pageX=evt.clientX+dojo._fixIeBiDiScrollLeft(_2c.scrollLeft||0)-_2d.x;
 176 evt.pageY=evt.clientY+(_2c.scrollTop||0)-_2d.y;
 177 if(evt.type=="mouseover"){
 178 evt.relatedTarget=evt.fromElement;
 179 }
 180 if(evt.type=="mouseout"){
 181 evt.relatedTarget=evt.toElement;
 182 }
 183 evt.stopPropagation=_1._stopPropagation;
 184 evt.preventDefault=_1._preventDefault;
 185 return _1._fixKeys(evt);
 186 },_fixKeys:function(evt){
 187 switch(evt.type){
 188 case "keypress":
 189 var c=("charCode" in evt?evt.charCode:evt.keyCode);
 190 if(c==10){
 191 c=0;
 192 evt.keyCode=13;
 193 }else{
 194 if(c==13||c==27){
 195 c=0;
 196 }else{
 197 if(c==3){
 198 c=99;
 199 }
 200 }
 201 }
 202 evt.charCode=c;
 203 _1._setKeyChar(evt);
 204 break;
 205 }
 206 return evt;
 207 },_stealthKeyDown:function(evt){
 208 var kp=evt.currentTarget.onkeypress;
 209 if(!kp||!kp[_1e]){
 210 return;
 211 }
 212 var k=evt.keyCode;
 213 var _2e=k!=13&&k!=32&&k!=27&&(k<48||k>90)&&(k<96||k>111)&&(k<186||k>192)&&(k<219||k>222);
 214 if(_2e||evt.ctrlKey){
 215 var c=_2e?0:k;
 216 if(evt.ctrlKey){
 217 if(k==3||k==13){
 218 return;
 219 }else{
 220 if(c>95&&c<106){
 221 c-=48;
 222 }else{
 223 if((!evt.shiftKey)&&(c>=65&&c<=90)){
 224 c+=32;
 225 }else{
 226 c=_1._punctMap[c]||c;
 227 }
 228 }
 229 }
 230 }
 231 var _2f=_1._synthesizeEvent(evt,{type:"keypress",faux:true,charCode:c});
 232 kp.call(evt.currentTarget,_2f);
 233 evt.cancelBubble=_2f.cancelBubble;
 234 evt.returnValue=_2f.returnValue;
 235 _1c(evt,_2f.keyCode);
 236 }
 237 },_stopPropagation:function(){
 238 this.cancelBubble=true;
 239 },_preventDefault:function(){
 240 this.bubbledKeyCode=this.keyCode;
 241 if(this.ctrlKey){
 242 _1c(this,0);
 243 }
 244 this.returnValue=false;
 245 }});
 246 dojo.stopEvent=function(evt){
 247 evt=evt||window.event;
 248 _1._stopPropagation.call(evt);
 249 _1._preventDefault.call(evt);
 250 };
 251 }
 252 _1._synthesizeEvent=function(evt,_30){
 253 var _31=dojo.mixin({},evt,_30);
 254 _1._setKeyChar(_31);
 255 _31.preventDefault=function(){
 256 evt.preventDefault();
 257 };
 258 _31.stopPropagation=function(){
 259 evt.stopPropagation();
 260 };
 261 return _31;
 262 };
 263 if(dojo.isOpera){
 264 dojo.mixin(_1,{_fixEvent:function(evt,_32){
 265 switch(evt.type){
 266 case "keypress":
 267 var c=evt.which;
 268 if(c==3){
 269 c=99;
 270 }
 271 c=c<41&&!evt.shiftKey?0:c;
 272 if(evt.ctrlKey&&!evt.shiftKey&&c>=65&&c<=90){
 273 c+=32;
 274 }
 275 return _1._synthesizeEvent(evt,{charCode:c});
 276 }
 277 return evt;
 278 }});
 279 }
 280 if(dojo.isWebKit){
 281 _1._add=_1.add;
 282 _1._remove=_1.remove;
 283 dojo.mixin(_1,{add:function(_33,_34,fp){
 284 if(!_33){
 285 return;
 286 }
 287 var _35=_1._add(_33,_34,fp);
 288 if(_1._normalizeEventName(_34)=="keypress"){
 289 _35._stealthKeyDownHandle=_1._add(_33,"keydown",function(evt){
 290 var k=evt.keyCode;
 291 var _36=k!=13&&k!=32&&(k<48||k>90)&&(k<96||k>111)&&(k<186||k>192)&&(k<219||k>222);
 292 if(_36||evt.ctrlKey){
 293 var c=_36?0:k;
 294 if(evt.ctrlKey){
 295 if(k==3||k==13){
 296 return;
 297 }else{
 298 if(c>95&&c<106){
 299 c-=48;
 300 }else{
 301 if(!evt.shiftKey&&c>=65&&c<=90){
 302 c+=32;
 303 }else{
 304 c=_1._punctMap[c]||c;
 305 }
 306 }
 307 }
 308 }
 309 var _37=_1._synthesizeEvent(evt,{type:"keypress",faux:true,charCode:c});
 310 fp.call(evt.currentTarget,_37);
 311 }
 312 });
 313 }
 314 return _35;
 315 },remove:function(_38,_39,_3a){
 316 if(_38){
 317 if(_3a._stealthKeyDownHandle){
 318 _1._remove(_38,"keydown",_3a._stealthKeyDownHandle);
 319 }
 320 _1._remove(_38,_39,_3a);
 321 }
 322 },_fixEvent:function(evt,_3b){
 323 switch(evt.type){
 324 case "keypress":
 325 if(evt.faux){
 326 return evt;
 327 }
 328 var c=evt.charCode;
 329 c=c>=32?c:0;
 330 return _1._synthesizeEvent(evt,{charCode:c,faux:true});
 331 }
 332 return evt;
 333 }});
 334 }
 335 })();
 336 if(dojo.isIE){
 337 dojo._ieDispatcher=function(_3c,_3d){
 338 var ap=Array.prototype,h=dojo._ie_listener.handlers,c=_3c.callee,ls=c[dojo._ieListenersName],t=h[c.target];
 339 var r=t&&t.apply(_3d,_3c);
 340 var lls=[].concat(ls);
 341 for(var i in lls){
 342 var f=h[lls[i]];
 343 if(!(i in ap)&&f){
 344 f.apply(_3d,_3c);
 345 }
 346 }
 347 return r;
 348 };
 349 dojo._getIeDispatcher=function(){
 350 return new Function(dojo._scopeName+"._ieDispatcher(arguments, this)");
 351 };
 352 dojo._event_listener._fixCallback=function(fp){
 353 var f=dojo._event_listener._fixEvent;
 354 return function(e){
 355 return fp.call(this,f(e,this));
 356 };
 357 };
 358 }
 359 }