n2corelibs-events-15996.js

模拟amazon.com的窗口弹出效果,当鼠标移到图片上时弹出模拟的窗口

var sLinkID = sInstanceName.substr(prefixLength, sInstanceName.length-prefixLength);
return goN2U.getLinkNameInfo(sLinkID);
}
window.N2HInstance.prototype.mouseOverTrack = function(oLNI) {
if (this.oFeature.isDisabled()) {
return;
}
;//goN2Debug.info("hotspot mouseOverTrack; hotspot id " + oLNI.getLinkID() + ", name " + oLNI.getLinkName());
var oFInstance = this.oFeature.getFeatureInstance(oLNI);
if (oFInstance) {
oFInstance.mouseOverHotspotTrack(oLNI);
}
}
window.N2HInstance.prototype.mouseOverOpen = function(oLNI, nFeatureFlags) {
if (this.oFeature.isDisabled()) {
return;
}
;//goN2Debug.info("hotspot mouseOverOpen; hotspot id " + oLNI.getLinkID() + ", name " + oLNI.getLinkName());
var oFInstance = this.oFeature.getFeatureInstance(oLNI);
if (!oFInstance) {
oFInstance = this.oFeature.createFeatureInstance(oLNI);
}
if (oFInstance) {
oFInstance.mouseOverHotspotOpen(oLNI, nFeatureFlags);
} else {
;
}
}
window.N2HInstance.prototype.mouseClickOpen = function(oLNI, nFeatureFlags) {
;//goN2Debug.info("hotspot mouseClickOpen; hotspot id " + oLNI.getLinkID() + ", name " + oLNI.getLinkName());
if (this.oFeature.isDisabled()) {
return;
}
var oFInstance = this.oFeature.getFeatureInstance(oLNI);
if (!oFInstance) {
oFInstance = this.oFeature.createFeatureInstance(oLNI);
}
if (oFInstance) {
oFInstance.clickHotspotOpen(oLNI, nFeatureFlags);
} else {
;
}
}
window.N2HInstance.prototype.mouseOutClose = function(oLNI) {
;//goN2Debug.info("hotspot mouseOutClose; hotspot id " + oLNI.getLinkID() + ", name " + oLNI.getLinkName());
if (this.oFeature.isDisabled()) {
return;
}
var oFInstance = this.oFeature.getFeatureInstance(oLNI);
if (oFInstance) {
oFInstance.mouseOutHotspotClose(oLNI);
}
}
window.N2RegFeature = function(oFeature, sFeatureID, mouseOverFn, mouseOutFn, clickFn) {
this.className = 'N2RegFeature';
this.version = '1.1.0';
if (!oFeature) {
return;
}
if (!mouseOverFn) {
mouseOverFn = n2MouseOverHotspotNop;
}
if (!mouseOutFn) {
mouseOutFn = n2MouseOutHotspotNop;
}
this._sFeatureID = sFeatureID;
this._oFeature = oFeature;
this._timerDelays = new Object();
this._timerDelays.showAfter  = 400;
this._timerDelays.reachWithin = 600;
this._timerDelays.closeAfter = 400;
this._eventsRegistry = new Object();
this._registeredFunctions = new Object();
this._preProcessEventFunction('onmouseover', mouseOverFn);
this._preProcessEventFunction('onmouseout', mouseOutFn);
this._preProcessEventFunction('onclick', clickFn);
}
new N2RegFeature();
window.N2RegFeature.prototype.getFeatureID = function() { return this._sFeatureID; }
window.N2RegFeature.prototype.getFeature = function() { return this._oFeature; }
window.N2RegFeature.prototype.getEventHelperFunction = function(event) {
return this._registeredFunctions[event];
}
window.N2RegFeature.prototype._preProcessEventFunction = function(event, fname)
{
try {
;
var code = eval(fname)
this._eventsRegistry[event] = fname;
this._registeredFunctions[event] = code;
;
}
catch (e) {
;
}
}
window.N2RegFeature.prototype.attachEventsToLink = function(elem) {
for (var event in this._eventsRegistry) {
if (this._eventsRegistry[event]) {
;
elem[event] = this._registeredFunctions[event];
}
}
}
window.N2RegFeature.prototype.setDelays = function(nShowAfter, nReachWithin, nCloseAfter) {
var a, b, c;
a = this._timerDelays.showAfter   = goN2U.isUndefOrNull(nShowAfter)   ? this._timerDelays.showAfter   : nShowAfter;
b = this._timerDelays.reachWithin = goN2U.isUndefOrNull(nReachWithin) ? this._timerDelays.reachWithin : nReachWithin;
c = this._timerDelays.closeAfter  = goN2U.isUndefOrNull(nCloseAfter)  ? this._timerDelays.closeAfter  : nCloseAfter;
;
}
window.N2RegFeature.prototype.getDelayShowAfter = function() {
return this._timerDelays.showAfter;
}
window.N2RegFeature.prototype.getDelayReachWithin = function() {
return this._timerDelays.reachWithin;
}
window.N2RegFeature.prototype.getDelayCloseAfter = function() {
return this._timerDelays.closeAfter;
}
window.N2Feature = function() {
this.className = 'N2Feature';
this.version = '1.1.0';
this._timeDisabledUntil = null;
this._nDefaultDisableMs = 5000;
this._oHInstance = new N2HInstance(this);
}
new N2Feature();
window.N2Feature.prefixHInstanceNames = "HS_";
window.N2Feature.prefixFInstanceNames = "FI_";
window.N2Feature.prototype.closeAllInstances = function(bImmediate) {
;
}
window.N2Feature.prototype.notifyMouseOwner = function(oRegFeatureMouseOwner, sInstanceNameMouseOwner) {
;
}
window.N2Feature.prototype.disableFeature = function(nMSDelay) {
if (!nMSDelay) {
nMSDelay = this._nDefaultDisableMs;
}
this.clossAll(false);
var date = new Date();
var now = date.getTime();
this._timeDisabledUntil = now + nMSDelay;
}
window.N2Feature.prototype.isDisabled = function() {
var bDisabled = false;
if (this._timeDisabledUntil) {
var date = new Date();
var now = date.getTime();
if (now < this._timeDisabledUntil) {
bDisabled = true;
} else {
this._timeDisabledUntil = null;
}
}
return bDisabled;
}
window.N2Feature.prototype.getFeatureInstance = function(oLNI_or_featureID, sInstanceName) {
;
return null;
}
window.N2Feature.prototype.createFeatureInstance = function(oLNI) {
;
return null;
}
window.N2Feature.prototype.getFeatureInstanceName = function(oLNI) {
return N2FInstance.getInstanceNameFromLinkInfo(oLNI);
}
window.N2Feature.prototype.getHotspotInstance = function(oLNI_or_featureID, sInstanceName) {
return this._oHInstance;
}
window.N2Feature.prototype.getHotspotInstanceName = function(oLNI) {
return N2HInstance.getInstanceNameFromLinkInfo(oLNI);
}
window.N2Feature.prototype.getLinkInfoFromHotspotInstanceName = function(sInstanceName) {
return N2HInstance.getLinkInfoFromInstanceName(sInstanceName);
}
window.N2Feature.prototype.isHotspotInstanceName = function(sInstanceName) {
;
if (sInstanceName) {
return (sInstanceName.substr(0,N2Feature.prefixHInstanceNames.length) == N2Feature.prefixHInstanceNames);
}
return false;
}
window.N2Feature.prototype.getInstance = function(featureID, sInstanceName) {
;
if (sInstanceName.substr(0,N2Feature.prefixHInstanceNames.length) == N2Feature.prefixHInstanceNames) {
return this.getHotspotInstance(featureID, sInstanceName);
} else if (sInstanceName.substr(0,N2Feature.prefixFInstanceNames.length) == N2Feature.prefixFInstanceNames) {
return this.getFeatureInstance(featureID, sInstanceName);
}
;
return null;
}
window.N2FeatureWrapper = function(sFeatureID, oWrappedFeature, wrappedFeatureObjectName) {
N2FeatureWrapper.parentClass.call(this);  // THIS line MUST come first -- executes parent constructor
this.className = 'N2FeatureWrapper';
this.version = '1.1.0';
this._oWrappedFeature = oWrappedFeature; // JSF 1.0 Feature object
this._wrappedFeatureObjectName = wrappedFeatureObjectName;
this._oActiveFInstance = null; // the active feature instance, if any.
this._featureInstances = new Object();
}
window.N2FeatureWrapper.prototype = new N2Feature();
window.N2FeatureWrapper.parentClass = N2Feature;
window.N2FeatureWrapper.prototype.getWrappedFeatureObjectName = function() { return this._wrappedFeatureObjectName; }
window.N2FeatureWrapper.prototype.getWrappedFeatureObj = function() { return this._oWrappedFeature; }
window.N2FeatureWrapper.prototype.getActiveWrappedFInstance = function() { return this._oActiveFInstance; }
window.N2FeatureWrapper.prototype.setActiveWrappedFInstance = function(oWrappingInstance) {
;
this._oActiveFInstance = oWrappingInstance;
}
window.N2FeatureWrapper.prototype.getWrappedFeatureActiveElement = function() {
return (this._oWrappedFeature.isActive() ? this._oWrappedFeature.getObject() : null);
}
window.N2FeatureWrapper.prototype.getWrappedMouseOutCallback = function() {
return this._oWrappedFeature.myMouseOutCallback;
}
window.N2FeatureWrapper.prototype.getFeatureInstance = function(oLNI_or_featureID, sInstanceName) {
var featureID;
if (typeof oLNI_or_featureID == "string") {
featureID = oLNI_or_featureID;
} else {
var oLNI = oLNI_or_featureID;
featureID = oLNI.getFeature();
sInstanceName = N2FInstance.getInstanceNameFromLinkInfo(oLNI);
}
for (var id in this._featureInstances) {
if (id == featureID + "|" + sInstanceName) {
return this._featureInstances[id];
}
}
return null;
}
window.N2FeatureWrapper.prototype.notifyMouseOwner = function(oRegFeatureMouseOwner, sInstanceNameMouseOwner) {
var oFeatureMouseOwner = (oRegFeatureMouseOwner ? oRegFeatureMouseOwner.getFeature() : null);
var featureIDMouseOwner = (oRegFeatureMouseOwner ? oRegFeatureMouseOwner.getFeatureID() : "");
for (var id in this._featureInstances) {
var idArray = id.split("|");
var featureID = idArray[0];
var oFInstance = this._featureInstances[id];
oFInstance.notifyFInstanceHasMouse(
this == oFeatureMouseOwner &&                           // needed because featureIDs might be null
oFInstance.getFeatureID() == featureIDMouseOwner &&
oFInstance.getInstanceName() == sInstanceNameMouseOwner );
}
if (oFeatureMouseOwner==this && this.isHotspotInstanceName(sInstanceNameMouseOwner)) {
var oLNI = this.getLinkInfoFromHotspotInstanceName(sInstanceNameMouseOwner);
if (oLNI) {
var hotspotElem = goN2U.getRawObject(oLNI.getLinkID());
var helperFunction = oRegFeatureMouseOwner.getEventHelperFunction("onmouseover");
if (hotspotElem && helperFunction) {
helperFunction.call(hotspotElem);
}
}
}
}
window.N2FeatureWrapper.prototype.closeAllInstances = function(bImmediate) {
; // gets the wrapped feature, not the instance!  But uncalled, so it's OK.
var oFInstance = this.getWrappedFeatureActiveElement();
if (oFInstance) {
oFInstance.closeNow(bImmediate);
}
}
window.N2FeatureWrapper.prototype.createFeatureInstance = function(oLNI) {
var oWrappingInstance = new N2FInstanceWrapper(this);
oWrappingInstance.assignInstance(oLNI);
var id = oLNI.getFeature() + "|" + oWrappingInstance.getInstanceNameFromLinkInfo(oLNI);
;
this._featureInstances[id] = oWrappingInstance;
return oWrappingInstance;
}
window.N2Events = function() {
this.className = 'N2Events';
this.version = '1.1.0';
this._nextAvailId = 0;
this._oFeatureMouseOwner = null;    // the instance's feature
this._sInstanceNameMouseOwner = ""; // the instance name
this._nParentSeeks=3;
this._bAnalyzeHREFs=false;
this._sAutoFeatureID='autoexp';
this._featureChangedTimer = null;
this._featureRegistry = new Object();
this.fSEMISTATIC = N2Events.fSEMISTATIC;
this.fSTATICWITHCLOSE = N2Events.fSTATICWITHCLOSE;
this.initialize = function()
{
if (!this._initialized) {
; // safety net failed
this._initialized = true;
N2ChainEventHandler('onmousemove',
function(evt) {
evt = (evt) ? evt : window.event;
if (typeof goN2Events == "object") {
goN2Events._mouseMoved(evt);
}
},
'N2EventsMouse');
;
} else {
;
}
}
this.registerFeature = function(sFeatureID, featureObjectOrObjectName, mouseOverFn, mouseOutFn, clickFn) {
;
;
var oFeature;
if (typeof featureObjectOrObjectName == "object") {
oFeature = featureObjectOrObjectName;
} else {
var oWrappedFeature = this._evalWrappedFeatureObjectName(featureObjectOrObjectName);
if (oWrappedFeature == null) {
;
return;
}
oFeature = this._getFeatureFromWrappedFeature(oWrappedFeature);
if (!oFeature) {
oFeature = new N2FeatureWrapper(sFeatureID, oWrappedFeature, featureObjectOrObjectName);
}
}
var oRegFeature = new N2RegFeature(oFeature, sFeatureID, mouseOverFn, mouseOutFn, clickFn);
this._featureRegistry[sFeatureID] = oRegFeature;
}
this._evalWrappedFeatureObjectName = function(wrappedFeatureObjectName) {
var oWrappedFeature = null;
try {
oWrappedFeature = eval(wrappedFeatureObjectName);
}
catch (e) {
}
return oWrappedFeature;
}
this.lookupRegFeature = function(sFeatureID) {
return this._featureRegistry[sFeatureID];
}
this.lookupFeature = function(sFeatureID) {
var oRegFeature = this._featureRegistry[sFeatureID];
return (oRegFeature ? oRegFeature.getFeature() : null);
}
this._getFeatureFromWrappedFeature = function(oWrappedFeature) {
for (var sFeatureID in this._featureRegistry) {
var oRegFeature = this._featureRegistry[sFeatureID];
var oFeature = oRegFeature.getFeature();
if (oFeature.getWrappedFeatureObj &&
oFeature.getWrappedFeatureObj() === oWrappedFeature
) {
return oFeature;
}
}
}
this._searchForActiveFeature = function(elementMouse) {
var oFeatureActive = null;
for (var sFeatureID in this._featureRegistry) {
var oFeature = this._featureRegistry[sFeatureID].getFeature();
var oWrappedFeature = oFeature.getWrappedFeatureObj();
if (oWrappedFeature.isStatic() || !oWrappedFeature.isActive()) {
continue;
}
var bMouseIn = false;
if (goN2U.isDefined(oWrappedFeature.isElementContained)) {
bMouseIn = oWrappedFeature.isElementContained(elementMouse);
} else {
var elementFeature = oFeature.getWrappedFeatureActiveElement();
bMouseIn = goN2U.elementIsContainedBy(elementMouse, elementFeature);
}
if (bMouseIn) {
if (oFeatureActive && oFeatureActive!==oFeature) {
;
}
oFeatureActive = oFeature;
}
}
return oFeatureActive;
}
this.setFeatureDelays = function(sFeatureID, nShowAfter, nReachWithin, nCloseAfter) {
var oRegFeature = this._featureRegistry[sFeatureID];
if (!oRegFeature) {
;
return;
}
oRegFeature.setDelays(nShowAfter, nReachWithin, nCloseAfter);
}
this.analyzeHREFS = function(b) { this._bAnalyzeHREFs = b; }
this.setAutoFeatureID = function(s) { this._sAutoFeatureID=s; }
this.broadcastMouseOwner = function(oRegFeatureMouseOwner, sInstanceNameMouseOwner) {
var oFeatureMouseOwner = (oRegFeatureMouseOwner ? oRegFeatureMouseOwner.getFeature() : null);
if (oFeatureMouseOwner!==this._oFeatureMouseOwner || sInstanceNameMouseOwner!=this._sInstanceNameMouseOwner ) {
this._oFeatureMouseOwner = oFeatureMouseOwner;
this._sInstanceNameMouseOwner = sInstanceNameMouseOwner;
for (var sFeatureID in this._featureRegistry) {
var oFeature = this._featureRegistry[sFeatureID].getFeature();
oFeature.notifyMouseOwner(oRegFeatureMouseOwner, sInstanceNameMouseOwner);
}
}
}
this.validateState = function() {
var oRegFeatureMouseOwner = null;
if (this._oFeatureMouseOwner != null){
var oWrappedPopoverFeature = this._oFeatureMouseOwner.getWrappedFeatureObj();
oRegFeatureMouseOwner = this.lookupRegFeature(oWrappedPopoverFeature.getRegFeatureID());
}
for (var sFeatureID in this._featureRegistry) {
var oFeature = this._featureRegistry[sFeatureID].getFeature();
oFeature.notifyMouseOwner(oRegFeatureMouseOwner, this._sInstanceNameMouseOwner);
}
}
this.instanceIsNotMouseOwner = function(oRegFeature, sInstanceName) {
var oFeature = oRegFeature.getFeature();
if (oFeature===this._oFeatureMouseOwner && sInstanceName==this._sInstanceNameMouseOwner ) {
this._oFeatureMouseOwner = null;
this._sInstanceNameMouseOwner = "";
}
}
this._attachEventsToLink = function(elem, name) {
var modified = false;
var nameArray = name.split("|");
if (nameArray.length < N2Events.nMINHOTSPOTNAMECOMPONENTS) {
return false;
}
var sFeatureID = nameArray[0];
var oRegFeature = this.lookupRegFeature(sFeatureID);
if (sFeatureID && oRegFeature) {
;
if (!elem.id) {
elem.setAttribute("id","lnx"+this._nextAvailId);
;
this._nextAvailId++;
}
oRegFeature.attachEventsToLink(elem);
modified = true;
}
return modified;
}
this._mouseMoved = function(evt)
{
;
var name;
var elem;
if (goN2U.bIsIE)
elem = evt.srcElement;
else
elem = evt.target;
var elemBase = elem; // save the element on which the event was generated
if (elem) {
if (!elem.name && this._bAnalyzeHREFs) {
var sHref = elem.href;
if (elem.tagName == 'IMG') {
var i = 2; //this._nParentSeeks;
var parentElem = goN2U.getParentElement(elem);
while ( parentElem && i ) {
if (parentElem.href) {
sHref = parentElem.href;
break;
}
parentElem = goN2U.getParentElement(parentElem);
i--;
}
}
if (sHref) {
var aRE = new Array();
aRE[0] = /\/exec\/obidos\/ASIN\/([^\/]*)\//;
aRE[1] = /\/exec\/obidos\/am\/[^=]+=ASIN\/([^\/]+)/;
aRE[2] = /\/exec\/obidos\/tg\/detail\/-\/([^\/]*)\//;
aRE[3] = /\/exec\/obidos\/am\/[^\/]+\/detail\/-\/([^\/]*)\//;
sHref = unescape(sHref);
for (var i=0;i<aRE.length;i++) {
var aResults = sHref.match(aRE[i]);
if (aResults) {
var sASIN = aResults[1];
var sNameVal = this._sAutoFeatureID + '|a|' + sASIN;
;
elem.name = sNameVal;
break;
}
}