tooltip-min.js

Ext JS是一个创建丰富互联网应用程序的跨浏览器的JavaScrip库。它包含：高效率

/*
 * Ext JS Library 3.0 Pre-alpha
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */


Ext.ToolTip=Ext.extend(Ext.Tip,{showDelay:500,hideDelay:200,dismissDelay:5000,trackMouse:false,anchorToTarget:true,anchorOffset:0,targetCounter:0,constrainPosition:false,initComponent:function(){Ext.ToolTip.superclass.initComponent.call(this);this.lastActive=new Date();this.initTarget(this.target);this.origAnchor=this.anchor;},onRender:function(ct,position){Ext.ToolTip.superclass.onRender.call(this,ct,position);this.anchorCls='x-tip-anchor-'+this.getAnchorPosition();this.anchorEl=this.el.createChild({cls:'x-tip-anchor '+this.anchorCls});},afterRender:function(){Ext.ToolTip.superclass.afterRender.call(this);this.anchorEl.setStyle('z-index',this.el.getZIndex()+1);},initTarget:function(target){var t;if((t=Ext.get(target))){if(this.target){this.target=Ext.get(this.target);this.target.un('mouseover',this.onTargetOver,this);this.target.un('mouseout',this.onTargetOut,this);this.target.un('mousemove',this.onMouseMove,this);}
this.mon(t,{mouseover:this.onTargetOver,mouseout:this.onTargetOut,mousemove:this.onMouseMove,scope:this});this.target=t;}
if(this.anchor){this.anchorTarget=this.target;}},onMouseMove:function(e){var t=this.delegate?e.getTarget(this.delegate):this.triggerElement=true;if(t){this.targetXY=e.getXY();if(t===this.triggerElement){if(!this.hidden&&this.trackMouse){this.setPagePosition(this.getTargetXY());}}else{this.hide();this.lastActive=new Date(0);this.onTargetOver(e);}}else if(!this.closable&&this.isVisible()){this.hide();}},getTargetXY:function(){if(this.anchor){this.targetCounter++;var offsets=this.getOffsets();var xy=(this.anchorToTarget&&!this.trackMouse)?this.el.getAlignToXY(this.anchorTarget,this.getAnchorAlign()):this.targetXY;var dw=Ext.lib.Dom.getViewWidth()-5;var dh=Ext.lib.Dom.getViewHeight()-5;var scrollX=(document.documentElement.scrollLeft||document.body.scrollLeft||0)+5;var scrollY=(document.documentElement.scrollTop||document.body.scrollTop||0)+5;var axy=[xy[0]+offsets[0],xy[1]+offsets[1]];var sz=this.getSize();this.anchorEl.removeClass(this.anchorCls);if(this.targetCounter<2){if(axy[0]<scrollX){if(this.anchorToTarget){this.defaultAlign='l-r';if(this.mouseOffset){this.mouseOffset[0]*=-1;}}
this.anchor='left';return this.getTargetXY();}
if(axy[0]+sz.width>dw){if(this.anchorToTarget){this.defaultAlign='r-l';if(this.mouseOffset){this.mouseOffset[0]*=-1;}}
this.anchor='right';return this.getTargetXY();}
if(axy[1]<scrollY){if(this.anchorToTarget){this.defaultAlign='t-b';if(this.mouseOffset){this.mouseOffset[1]*=-1;}}
this.anchor='top';return this.getTargetXY();}
if(axy[1]+sz.height>dh){if(this.anchorToTarget){this.defaultAlign='b-t';if(this.mouseOffset){this.mouseOffset[1]*=-1;}}
this.anchor='bottom';return this.getTargetXY();}}
this.anchorCls='x-tip-anchor-'+this.getAnchorPosition();this.anchorEl.addClass(this.anchorCls);this.targetCounter=0;return axy;}else{var mouseOffset=this.getMouseOffset();return[this.targetXY[0]+mouseOffset[0],this.targetXY[1]+mouseOffset[1]];}},getMouseOffset:function(){var offset=this.anchor?[0,0]:[15,18];if(this.mouseOffset){offset[0]+=this.mouseOffset[0];offset[1]+=this.mouseOffset[1];}
return offset;},getAnchorPosition:function(){if(this.anchor){this.tipAnchor=this.anchor.charAt(0);}else{var m=this.defaultAlign.match(/^([a-z]+)-([a-z]+)(\?)?$/);if(!m){throw"AnchorTip.defaultAlign is invalid";}
this.tipAnchor=m[1].charAt(0);}
switch(this.tipAnchor){case't':return'top';case'b':return'bottom';case'r':return'right';}
return'left';},getAnchorAlign:function(){switch(this.anchor){case'top':return'tl-bl';case'left':return'tl-tr';case'right':return'tr-tl';default:return'bl-tl';}},getOffsets:function(){var offsets,ap=this.getAnchorPosition().charAt(0);if(this.anchorToTarget&&!this.trackMouse){switch(ap){case't':offsets=[0,9];break;case'b':offsets=[0,-13];break;case'r':offsets=[-13,0];break;default:offsets=[9,0];break;}}else{switch(ap){case't':offsets=[-15-this.anchorOffset,30];break;case'b':offsets=[-19-this.anchorOffset,-13-this.el.dom.offsetHeight];break;case'r':offsets=[-15-this.el.dom.offsetWidth,-13-this.anchorOffset];break;default:offsets=[25,-13-this.anchorOffset];break;}}
var mouseOffset=this.getMouseOffset();offsets[0]+=mouseOffset[0];offsets[1]+=mouseOffset[1];return offsets;},onTargetOver:function(e){if(this.disabled||e.within(this.target.dom,true)){return;}
var t=e.getTarget(this.delegate);if(t){this.triggerElement=t;this.clearTimer('hide');this.targetXY=e.getXY();this.delayShow();}},delayShow:function(){if(this.hidden&&!this.showTimer){if(this.lastActive.getElapsed()<this.quickShowInterval){this.show();}else{this.showTimer=this.show.defer(this.showDelay,this);}}else if(!this.hidden&&this.autoHide!==false){this.show();}},onTargetOut:function(e){if(this.disabled||e.within(this.target.dom,true)){return;}
this.clearTimer('show');if(this.autoHide!==false){this.delayHide();}},delayHide:function(){if(!this.hidden&&!this.hideTimer){this.hideTimer=this.hide.defer(this.hideDelay,this);}},hide:function(){this.clearTimer('dismiss');this.lastActive=new Date();delete this.triggerElement;if(this.anchorEl){this.anchorEl.hide();}
Ext.ToolTip.superclass.hide.call(this);},show:function(){if(this.anchor){this.showAt([-1000,-1000]);this.origConstrainPosition=this.constrainPosition;this.constrainPosition=false;this.anchor=this.origAnchor;}
this.showAt(this.getTargetXY());if(this.anchor){this.syncAnchor();this.anchorEl.show();this.constrainPosition=this.origConstrainPosition;}else{this.anchorEl.hide();}},showAt:function(xy){this.lastActive=new Date();this.clearTimers();Ext.ToolTip.superclass.showAt.call(this,xy);if(this.dismissDelay&&this.autoHide!==false){this.dismissTimer=this.hide.defer(this.dismissDelay,this);}},syncAnchor:function(){var anchorPos,targetPos,offset;switch(this.tipAnchor.charAt(0)){case't':anchorPos='b';targetPos='tl';offset=[20+this.anchorOffset,2];break;case'r':anchorPos='l';targetPos='tr';offset=[-2,11+this.anchorOffset];break;case'b':anchorPos='t';targetPos='bl';offset=[20+this.anchorOffset,-2];break;default:anchorPos='r';targetPos='tl';offset=[2,11+this.anchorOffset];break;}
this.anchorEl.alignTo(this.el,anchorPos+'-'+targetPos,offset);},setPagePosition:function(x,y){Ext.ToolTip.superclass.setPagePosition.call(this,x,y);if(this.anchor){this.syncAnchor();}},clearTimer:function(name){name=name+'Timer';clearTimeout(this[name]);delete this[name];},clearTimers:function(){this.clearTimer('show');this.clearTimer('dismiss');this.clearTimer('hide');},onShow:function(){Ext.ToolTip.superclass.onShow.call(this);Ext.getDoc().on('mousedown',this.onDocMouseDown,this);},onHide:function(){Ext.ToolTip.superclass.onHide.call(this);Ext.getDoc().un('mousedown',this.onDocMouseDown,this);},onDocMouseDown:function(e){if(this.autoHide!==true&&!this.closable&&!e.within(this.el.dom)){this.disable();this.enable.defer(100,this);}},onDisable:function(){this.clearTimers();this.hide();},adjustPosition:function(x,y){if(this.contstrainPosition){var ay=this.targetXY[1],h=this.getSize().height;if(y<=ay&&(y+h)>=ay){y=ay-h-5;}}
return{x:x,y:y};},onDestroy:function(){Ext.getDoc().un('mousedown',this.onDocMouseDown,this);Ext.ToolTip.superclass.onDestroy.call(this);}});