📄 xajax_uncompressed.js
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/* xajax Javascript library :: version 0.2.5 */function Xajax(){ this.arrayContainsValue = function(array, valueToCheck) { for (i in array) { if (array[i] == valueToCheck) return true; } return false;
};
this.DebugMessage = function(text) { if (text.length > 1000) text = text.substr(0,1000)+"...\n[long response]\n..."; try { if (this.debugWindow == undefined || this.debugWindow.closed == true) { this.debugWindow = window.open('about:blank', 'xajax-debug', 'width=800,height=600,scrollbars=1,resizable,status'); this.debugWindow.document.write('<html><head><title>Xajax debug output</title></head><body><h2>Xajax debug output</h2><div id="debugTag"></div></body></html>'); } debugTag = this.debugWindow.document.getElementById('debugTag'); if (!debugTag) throw new Error(); text = text.replace(/&/g, "&"); text = text.replace(/</g, "<"); text = text.replace(/>/g, ">"); debugTag.innerHTML = ('<b>'+(new Date()).toString()+'</b>: ' + text + '<hr/>') + debugTag.innerHTML; } catch (e) { alert("Xajax Debug:\n " + text); } }; this.workId = 'xajaxWork'+ new Date().getTime(); this.depth = 0; this.responseErrorsForAlert = ["400","401","402","403","404","500","501","502","503"]; //Get the XMLHttpRequest Object this.getRequestObject = function() { if (xajaxDebug) this.DebugMessage("Initializing Request Object.."); var req = null; if (typeof XMLHttpRequest != "undefined") req = new XMLHttpRequest(); if (!req && typeof ActiveXObject != "undefined") { try { req=new ActiveXObject("Msxml2.XMLHTTP"); XMLHttpRequest = function(){return new ActiveXObject("Msxml2.XMLHTTP");} } catch (e) { try { req=new ActiveXObject("Microsoft.XMLHTTP"); XMLHttpRequest = function(){return new ActiveXObject("Microsoft.XMLHTTP");} } catch (e2) { try { req=new ActiveXObject("Msxml2.XMLHTTP.4.0"); XMLHttpRequest = function(){return new ActiveXObject("Msxml2.XMLHTTP.4.0");} } catch (e3) { req=null; } } } } if(!req && window.createRequest) req = window.createRequest(); if (!req) this.DebugMessage("Request Object Instantiation failed."); return req; } // xajax.$() is shorthand for document.getElementById() this.$ = function(sId) { if (!sId) { return null; } var returnObj = document.getElementById(sId); if (!returnObj && document.all) { returnObj = document.all[sId]; } if (xajaxDebug && !returnObj && sId != this.workId) { this.DebugMessage("Element with the id \"" + sId + "\" not found."); } return returnObj; } // xajax.include(sFileName) dynamically includes an external javascript file this.include = function(sFileName) { var objHead = document.getElementsByTagName('head'); var objScript = document.createElement('script'); objScript.type = 'text/javascript'; objScript.src = sFileName; objHead[0].appendChild(objScript); } this.stripOnPrefix = function(sEventName) { sEventName = sEventName.toLowerCase(); if (sEventName.indexOf('on') == 0) { sEventName = sEventName.replace(/on/,''); } return sEventName; } this.addOnPrefix = function(sEventName) { sEventName = sEventName.toLowerCase(); if (sEventName.indexOf('on') != 0) { sEventName = 'on' + sEventName; } return sEventName; } // xajax.addHandler adds an event handler to an element this.addHandler = function(sElementId, sEvent, sFunctionName) { if (window.addEventListener) { sEvent = this.stripOnPrefix(sEvent); eval("this.$('"+sElementId+"').addEventListener('"+sEvent+"',"+sFunctionName+",false);"); } else if (window.attachEvent) { sAltEvent = this.addOnPrefix(sEvent); if (eval("this.$('"+sElementId+"').attachEvent('"+sAltEvent+"',"+sFunctionName+");")) window.attachEvent('onunload', eval("function(){xajax.$('"+sElementId+"').detachEvent('"+sAltEvent+"',"+sFunctionName+");}")); } else { sAltEvent = this.addOnPrefix(sEvent); eval("this.$('"+sElementId+"')."+sAltEvent+" = "+sFunctionName); } } // xajax.removeHandler removes an event handler from an element this.removeHandler = function(sElementId, sEvent, sFunctionName) { if (window.removeEventListener) { sEvent = this.stripOnPrefix(sEvent); eval("this.$('"+sElementId+"').removeEventListener('"+sEvent+"',"+sFunctionName+",false);"); } else if (window.detachEvent) { sAltEvent = this.addOnPrefix(sEvent); try { eval("this.$('"+sElementId+"').detachEvent('"+sAltEvent+"',"+sFunctionName+");"); } catch (ignore) {} } else { sAltEvent = this.addOnPrefix(sEvent); eval("this.$('"+sElementId+"')."+sAltEvent+" = null");
} } // xajax.create creates a new child node under a parent this.create = function(sParentId, sTag, sId) { var objParent = this.$(sParentId); objElement = document.createElement(sTag); objElement.setAttribute('id',sId); if (objParent) objParent.appendChild(objElement); } // xajax.insert inserts a new node before another node this.insert = function(sBeforeId, sTag, sId) { var objSibling = this.$(sBeforeId); objElement = document.createElement(sTag); objElement.setAttribute('id',sId); objSibling.parentNode.insertBefore(objElement, objSibling); } // xajax.insertAfter inserts a new node after another node this.insertAfter = function(sAfterId, sTag, sId) { var objSibling = this.$(sAfterId); objElement = document.createElement(sTag); objElement.setAttribute('id',sId); objSibling.parentNode.insertBefore(objElement, objSibling.nextSibling); } this.getInput = function(sType, sName, sId) { var Obj; if (!window.addEventListener) { Obj = document.createElement('<input type="'+sType+'" id="'+sId+'" name="'+sName+'">'); } else { Obj = document.createElement('input'); Obj.setAttribute('type',sType); Obj.setAttribute('name',sName); Obj.setAttribute('id',sId); } return Obj; } // xajax.createInput creates a new input node under a parent this.createInput = function(sParentId, sType, sName, sId) { var objParent = this.$(sParentId); var objElement = this.getInput(sType, sName, sId); if (objParent && objElement) objParent.appendChild(objElement); } // xajax.insertInput creates a new input node before another node this.insertInput = function(sBeforeId, sType, sName, sId) { var objSibling = this.$(sBeforeId); var objElement = this.getInput(sType, sName, sId); if (objElement && objSibling && objSibling.parentNode) objSibling.parentNode.insertBefore(objElement, objSibling); } // xajax.insertInputAfter creates a new input node after another node this.insertInputAfter = function(sAfterId, sType, sName, sId) { var objSibling = this.$(sAfterId); var objElement = this.getInput(sType, sName, sId); if (objElement && objSibling && objSibling.parentNode) { objSibling.parentNode.insertBefore(objElement, objSibling.nextSibling); } } // xajax.remove deletes an element this.remove = function(sId) { objElement = this.$(sId); if (objElement && objElement.parentNode && objElement.parentNode.removeChild) { objElement.parentNode.removeChild(objElement); } } //xajax.replace searches for text in an attribute of an element and replaces it //with a different text this.replace = function(sId,sAttribute,sSearch,sReplace) { var bFunction = false; if (sAttribute == "innerHTML") sSearch = this.getBrowserHTML(sSearch); eval("var txt=this.$('"+sId+"')."+sAttribute); if (typeof txt == "function") { txt = txt.toString(); bFunction = true; } if (txt.indexOf(sSearch)>-1) { var newTxt = ''; while (txt.indexOf(sSearch) > -1) { x = txt.indexOf(sSearch)+sSearch.length+1; newTxt += txt.substr(0,x).replace(sSearch,sReplace); txt = txt.substr(x,txt.length-x); } newTxt += txt; if (bFunction) { eval('this.$("'+sId+'").'+sAttribute+'=newTxt;'); } else if (this.willChange(sId,sAttribute,newTxt)) { eval('this.$("'+sId+'").'+sAttribute+'=newTxt;'); } } } // xajax.getFormValues() builds a query string XML message from the elements of a form object // * The first argument is the id of the form // * The second argument (optional) can be set to true if you want to submit disabled elements // * The third argument (optional) allows you to specify a string prefix that a form element // name must contain if you want that element to be submitted this.getFormValues = function(frm) { var objForm; var submitDisabledElements = false; if (arguments.length > 1 && arguments[1] == true) submitDisabledElements = true; var prefix=""; if(arguments.length > 2) prefix = arguments[2]; if (typeof(frm) == "string") objForm = this.$(frm); else objForm = frm; var sXml = "<xjxquery><q>"; if (objForm && objForm.tagName.toUpperCase() == 'FORM') { var formElements = objForm.elements; for( var i=0; i < formElements.length; i++) { if (!formElements[i].name) continue; if (formElements[i].name.substring(0, prefix.length) != prefix) continue; if (formElements[i].type && (formElements[i].type == 'radio' || formElements[i].type == 'checkbox') && formElements[i].checked == false) continue; if (formElements[i].disabled && formElements[i].disabled == true && submitDisabledElements == false) continue; var name = formElements[i].name; if (name) { if (sXml != '<xjxquery><q>') sXml += '&'; if(formElements[i].type=='select-multiple') { for (var j = 0; j < formElements[i].length; j++) { if (formElements[i].options[j].selected == true) sXml += name+"="+encodeURIComponent(formElements[i].options[j].value)+"&"; } } else { sXml += name+"="+encodeURIComponent(formElements[i].value); } } } } sXml +="</q></xjxquery>"; return sXml; } // Generates an XML message that xajax can understand from a javascript object this.objectToXML = function(obj) { var sXml = "<xjxobj>"; for (i in obj) { try { if (i == 'constructor') continue; if (obj[i] && typeof(obj[i]) == 'function') continue; var key = i; var value = obj[i]; if (value && typeof(value)=="object" && this.depth <= 50) { this.depth++; value = this.objectToXML(value); this.depth--; } sXml += "<e><k>"+key+"</k><v>"+value+"</v></e>"; } catch(e) { if (xajaxDebug) this.DebugMessage(e.name+": "+e.message); } } sXml += "</xjxobj>"; return sXml; } // unserializes data structure from xajaxResponse::_buildObjXml() this._nodeToObject = function(node) { if (!node) return ''; // parentNode here is weird, have to tune if (node.nodeName == '#cdata-section' || node.nodeName == '#text') { var data = ""; for (var j=0; j<node.parentNode.childNodes.length; j++) { data += node.parentNode.childNodes[j].data; } return data; } else if (node.nodeName == 'xjxobj') { var data = new Array(); for (var j=0; j<node.childNodes.length; j++) { var child = node.childNodes[j]; var key; var value; if (child.nodeName == 'e') { for (var k=0; k<child.childNodes.length; k++) { if (child.childNodes[k].nodeName == 'k') { key = child.childNodes[k].firstChild.data; } else if (child.childNodes[k].nodeName == 'v') { value = this._nodeToObject(child.childNodes[k].firstChild); }⌨️ 快捷键说明
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