http://developer.yahoo.com/yui/license.txtYAHOO.widget.LogMsg = function(oConfigs) {
if (typeof oConfigs == "object") {
for(var param in oConfigs) {
this[param] = oConfigs[param];
}
}
};
YAHOO.widget.LogMsg.prototype.msg = null;
YAHOO.widget.LogMsg.prototype.time = null;
YAHOO.widget.LogMsg.prototype.category = null;
YAHOO.widget.LogMsg.prototype.source = null;
YAHOO.widget.LogMsg.prototype.sourceDetail = null;
YAHOO.widget.LogWriter = function(sSource) {
if(!sSource) {
YAHOO.log("Could not instantiate LogWriter due to invalid source.",
"error", "LogWriter");
return;
}
this._source = sSource;
};
YAHOO.widget.LogWriter.prototype.toString = function() {
return "LogWriter " + this._sSource;
};
YAHOO.widget.LogWriter.prototype.log = function(sMsg, sCategory) {
YAHOO.widget.Logger.log(sMsg, sCategory, this._source);
};
YAHOO.widget.LogWriter.prototype.getSource = function() {
return this._sSource;
};
YAHOO.widget.LogWriter.prototype.setSource = function(sSource) {
if(!sSource) {
YAHOO.log("Could not set source due to invalid source.", "error", this.toString());
return;
}
else {
this._sSource = sSource;
}
};
YAHOO.widget.LogWriter.prototype._source = null;
YAHOO.widget.LogReader = function(elContainer, oConfigs) {
var oSelf = this;
this._sName = YAHOO.widget.LogReader._index;
YAHOO.widget.LogReader._index++;
if (typeof oConfigs == "object") {
for(var param in oConfigs) {
this[param] = oConfigs[param];
}
}
if(elContainer) {
if(typeof elContainer == "string") {
this._elContainer = document.getElementById(elContainer);
}
else if(elContainer.tagName) {
this._elContainer = elContainer;
}
this._elContainer.className = "yui-log";
}
if(!this._elContainer) {
if(YAHOO.widget.LogReader._elDefaultContainer) {
this._elContainer = YAHOO.widget.LogReader._elDefaultContainer;
}
else {
this._elContainer = document.body.appendChild(document.createElement("div"));
this._elContainer.id = "yui-log";
this._elContainer.className = "yui-log";
YAHOO.widget.LogReader._elDefaultContainer = this._elContainer;
}
var containerStyle = this._elContainer.style;
if(this.width) {
containerStyle.width = this.width;
}
if(this.left) {
containerStyle.left = this.left;
}
if(this.right) {
containerStyle.right = this.right;
}
if(this.bottom) {
containerStyle.bottom = this.bottom;
}
if(this.top) {
containerStyle.top = this.top;
}
if(this.fontSize) {
containerStyle.fontSize = this.fontSize;
}
}
if(this._elContainer) {
if(!this._elHd) {
this._elHd = this._elContainer.appendChild(document.createElement("div"));
this._elHd.id = "yui-log-hd" + this._sName;
this._elHd.className = "yui-log-hd";
this._elCollapse = this._elHd.appendChild(document.createElement("div"));
this._elCollapse.className = "yui-log-btns";
this._btnCollapse = document.createElement("input");
this._btnCollapse.type = "button";
this._btnCollapse.style.fontSize =
YAHOO.util.Dom.getStyle(this._elContainer,"fontSize");
this._btnCollapse.className = "yui-log-button";
this._btnCollapse.value = "Collapse";
this._btnCollapse = this._elCollapse.appendChild(this._btnCollapse);
YAHOO.util.Event.addListener(
oSelf._btnCollapse,'click',oSelf._onClickCollapseBtn,oSelf);
this._title = this._elHd.appendChild(document.createElement("h4"));
this._title.innerHTML = "Logger Console";
if(YAHOO.util.DD &&
(YAHOO.widget.LogReader._elDefaultContainer == this._elContainer)) {
var ylog_dd = new YAHOO.util.DD(this._elContainer.id);
ylog_dd.setHandleElId(this._elHd.id);
this._elHd.style.cursor = "move";
}
}
if(!this._elConsole) {
this._elConsole =
this._elContainer.appendChild(document.createElement("div"));
this._elConsole.className = "yui-log-bd";
if(this.height) {
this._elConsole.style.height = this.height;
}
}
if(!this._elFt && this.footerEnabled) {
this._elFt = this._elContainer.appendChild(document.createElement("div"));
this._elFt.className = "yui-log-ft";
this._elBtns = this._elFt.appendChild(document.createElement("div"));
this._elBtns.className = "yui-log-btns";
this._btnPause = document.createElement("input");
this._btnPause.type = "button";
this._btnPause.style.fontSize =
YAHOO.util.Dom.getStyle(this._elContainer,"fontSize");
this._btnPause.className = "yui-log-button";
this._btnPause.value = "Pause";
this._btnPause = this._elBtns.appendChild(this._btnPause);
YAHOO.util.Event.addListener(
oSelf._btnPause,'click',oSelf._onClickPauseBtn,oSelf);
this._btnClear = document.createElement("input");
this._btnClear.type = "button";
this._btnClear.style.fontSize =
YAHOO.util.Dom.getStyle(this._elContainer,"fontSize");
this._btnClear.className = "yui-log-button";
this._btnClear.value = "Clear";
this._btnClear = this._elBtns.appendChild(this._btnClear);
YAHOO.util.Event.addListener(
oSelf._btnClear,'click',oSelf._onClickClearBtn,oSelf);
this._elCategoryFilters = this._elFt.appendChild(document.createElement("div"));
this._elCategoryFilters.className = "yui-log-categoryfilters";
this._elSourceFilters = this._elFt.appendChild(document.createElement("div"));
this._elSourceFilters.className = "yui-log-sourcefilters";
}
}
if(!this._buffer) {
this._buffer = []; }
this._lastTime = YAHOO.widget.Logger.getStartTime();
YAHOO.widget.Logger.newLogEvent.subscribe(this._onNewLog, this);
YAHOO.widget.Logger.logResetEvent.subscribe(this._onReset, this);
this._categoryFilters = [];
var catsLen = YAHOO.widget.Logger.categories.length;
if(this._elCategoryFilters) {
for(var i=0; i < catsLen; i++) {
this._createCategoryCheckbox(YAHOO.widget.Logger.categories[i]);
}
}
this._sourceFilters = [];
var sourcesLen = YAHOO.widget.Logger.sources.length;
if(this._elSourceFilters) {
for(var j=0; j < sourcesLen; j++) {
this._createSourceCheckbox(YAHOO.widget.Logger.sources[j]);
}
}
YAHOO.widget.Logger.categoryCreateEvent.subscribe(this._onCategoryCreate, this);
YAHOO.widget.Logger.sourceCreateEvent.subscribe(this._onSourceCreate, this);
this._filterLogs();
YAHOO.log("LogReader initialized", null, this.toString());
};
YAHOO.widget.LogReader.prototype.logReaderEnabled = true;
YAHOO.widget.LogReader.prototype.width = null;
YAHOO.widget.LogReader.prototype.height = null;
YAHOO.widget.LogReader.prototype.top = null;
YAHOO.widget.LogReader.prototype.left = null;
YAHOO.widget.LogReader.prototype.right = null;
YAHOO.widget.LogReader.prototype.bottom = null;
YAHOO.widget.LogReader.prototype.fontSize = null;
YAHOO.widget.LogReader.prototype.footerEnabled = true;
YAHOO.widget.LogReader.prototype.verboseOutput = true;
YAHOO.widget.LogReader.prototype.newestOnTop = true;
YAHOO.widget.LogReader.prototype.thresholdMax = 500;
YAHOO.widget.LogReader.prototype.thresholdMin = 100;
YAHOO.widget.LogReader.prototype.toString = function() {
return "LogReader instance" + this._sName;
};
YAHOO.widget.LogReader.prototype.pause = function() {
this._timeout = null;
this.logReaderEnabled = false;
};
YAHOO.widget.LogReader.prototype.resume = function() {
this.logReaderEnabled = true;
this._printBuffer();
};
YAHOO.widget.LogReader.prototype.hide = function() {
this._elContainer.style.display = "none";
};
YAHOO.widget.LogReader.prototype.show = function() {
this._elContainer.style.display = "block";
};
YAHOO.widget.LogReader.prototype.setTitle = function(sTitle) {
this._title.innerHTML = this.html2Text(sTitle);
};
YAHOO.widget.LogReader.prototype.getLastTime = function() {
return this._lastTime;
};
YAHOO.widget.LogReader.prototype.formatMsg = function(oLogMsg) {
var category = oLogMsg.category;
var label = category.substring(0,4).toUpperCase();
var time = oLogMsg.time;
if (time.toLocaleTimeString) {
var localTime = time.toLocaleTimeString();
}
else {
localTime = time.toString();
}
var msecs = time.getTime();
var startTime = YAHOO.widget.Logger.getStartTime();
var totalTime = msecs - startTime;
var elapsedTime = msecs - this.getLastTime();
var source = oLogMsg.source;
var sourceDetail = oLogMsg.sourceDetail;
var sourceAndDetail = (sourceDetail) ?
source + " " + sourceDetail : source;
var msg = this.html2Text(oLogMsg.msg);
var output = (this.verboseOutput) ?
["<p><span class='", category, "'>", label, "</span> ",
totalTime, "ms (+", elapsedTime, ") ",
localTime, ": ",
"</p><p>",
sourceAndDetail,
": </p><p>",
msg,
"</p>"] :
["<p><span class='", category, "'>", label, "</span> ",
totalTime, "ms (+", elapsedTime, ") ",
localTime, ": ",
sourceAndDetail, ": ",
msg,"</p>"];
return output.join("");
};
YAHOO.widget.LogReader.prototype.html2Text = function(sHtml) {
if(sHtml) {
sHtml += "";
return sHtml.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
}
return "";
};
YAHOO.widget.LogReader._index = 0;
YAHOO.widget.LogReader.prototype._sName = null;
YAHOO.widget.LogReader._elDefaultContainer = null;
YAHOO.widget.LogReader.prototype._buffer = null;
YAHOO.widget.LogReader.prototype._consoleMsgCount = 0;
YAHOO.widget.LogReader.prototype._lastTime = null;
YAHOO.widget.LogReader.prototype._timeout = null;
YAHOO.widget.LogReader.prototype._categoryFilters = null;
YAHOO.widget.LogReader.prototype._sourceFilters = null;
YAHOO.widget.LogReader.prototype._elContainer = null;
YAHOO.widget.LogReader.prototype._elHd = null;
YAHOO.widget.LogReader.prototype._elCollapse = null;
YAHOO.widget.LogReader.prototype._btnCollapse = null;
YAHOO.widget.LogReader.prototype._title = null;
YAHOO.widget.LogReader.prototype._elConsole = null;
YAHOO.widget.LogReader.prototype._elFt = null;
YAHOO.widget.LogReader.prototype._elBtns = null;
YAHOO.widget.LogReader.prototype._elCategoryFilters = null;
YAHOO.widget.LogReader.prototype._elSourceFilters = null;
YAHOO.widget.LogReader.prototype._btnPause = null;
YAHOO.widget.LogReader.prototype._btnClear = null;
YAHOO.widget.LogReader.prototype._createCategoryCheckbox = function(sCategory) {
var oSelf = this;
if(this._elFt) {
var elParent = this._elCategoryFilters;
var filters = this._categoryFilters;
var elFilter = elParent.appendChild(document.createElement("span"));
elFilter.className = "yui-log-filtergrp";
var chkCategory = document.createElement("input");
chkCategory.id = "yui-log-filter-" + sCategory + this._sName;
chkCategory.className = "yui-log-filter-" + sCategory;
chkCategory.type = "checkbox";
chkCategory.category = sCategory;
chkCategory = elFilter.appendChild(chkCategory);
chkCategory.checked = true;
filters.push(sCategory);
YAHOO.util.Event.addListener(chkCategory,'click',oSelf._onCheckCategory,oSelf);
var lblCategory = elFilter.appendChild(document.createElement("label"));
lblCategory.htmlFor = chkCategory.id;
lblCategory.className = sCategory;
lblCategory.innerHTML = sCategory;
}
};
YAHOO.widget.LogReader.prototype._createSourceCheckbox = function(sSource) {
var oSelf = this;
if(this._elFt) {
var elParent = this._elSourceFilters;
var filters = this._sourceFilters;
var elFilter = elParent.appendChild(document.createElement("span"));
elFilter.className = "yui-log-filtergrp";
var chkSource = document.createElement("input");
chkSource.id = "yui-log-filter" + sSource + this._sName;
chkSource.className = "yui-log-filter" + sSource;
chkSource.type = "checkbox";
chkSource.source = sSource;
chkSource = elFilter.appendChild(chkSource);
chkSource.checked = true;
filters.push(sSource);
YAHOO.util.Event.addListener(chkSource,'click',oSelf._onCheckSource,oSelf);
var lblSource = elFilter.appendChild(document.createElement("label"));
lblSource.htmlFor = chkSource.id;
lblSource.className = sSource;
lblSource.innerHTML = sSource;
}
};
YAHOO.widget.LogReader.prototype._filterLogs = function() {
if (this._elConsole !== null) {
this._clearConsole();
this._printToConsole(YAHOO.widget.Logger.getStack());
}
};
YAHOO.widget.LogReader.prototype._clearConsole = function() {
this._timeout = null;
this._buffer = [];
this._consoleMsgCount = 0;
this._lastTime = YAHOO.widget.Logger.getStartTime();
var elConsole = this._elConsole;
while(elConsole.hasChildNodes()) {
elConsole.removeChild(elConsole.firstChild);
}
};
YAHOO.widget.LogReader.prototype._printBuffer = function() {
this._timeout = null;
if(this._elConsole !== null) {
var thresholdMax = this.thresholdMax;
thresholdMax = (thresholdMax && !isNaN(thresholdMax)) ? thresholdMax : 500;
if(this._consoleMsgCount < thresholdMax) {
var entries = [];
for (var i=0; i<this._buffer.length; i++) {
entries[i] = this._buffer[i];
}
this._buffer = [];
this._printToConsole(entries);
}
else {
this._filterLogs();
}
if(!this.newestOnTop) {
this._elConsole.scrollTop = this._elConsole.scrollHeight;
}
}
};
YAHOO.widget.LogReader.prototype._printToConsole = function(aEntries) {
var entriesLen = aEntries.length;
var thresholdMin = this.thresholdMin;
if(isNaN(thresholdMin) || (thresholdMin > this.thresholdMax)) {
thresholdMin = 0;
}
var entriesStartIndex = (entriesLen > thresholdMin) ? (entriesLen - thresholdMin) : 0;
var sourceFiltersLen = this._sourceFilters.length;
var categoryFiltersLen = this._categoryFilters.length;
for(var i=entriesStartIndex; i<entriesLen; i++) {
var okToPrint = false;
var okToFilterCats = false;
var entry = aEntries[i];
var source = entry.source;
var category = entry.category;
for(var j=0; j<sourceFiltersLen; j++) {
if(source == this._sourceFilters[j]) {
okToFilterCats = true;
break;
}
}
if(okToFilterCats) {
for(var k=0; k<categoryFiltersLen; k++) {
if(category == this._categoryFilters[k]) {
okToPrint = true;
break;
}
}
}
if(okToPrint) {
var output = this.formatMsg(entry);
var container = (this.verboseOutput) ? "CODE" : "PRE";
var oNewElement = (this.newestOnTop) ?
this._elConsole.insertBefore(
document.createElement(container),this._elConsole.firstChild):
this._elConsole.appendChild(document.createElement(container));
oNewElement.innerHTML = output;
this._consoleMsgCount++;
this._lastTime = entry.time.getTime();
}
}
};
YAHOO.widget.LogReader.prototype._onCategoryCreate = function(sType, aArgs, oSelf) {
var category = aArgs[0];
if(oSelf._elFt) {
oSelf._createCategoryCheckbox(category);
}
};
YAHOO.widget.LogReader.prototype._onSourceCreate = function(sType, aArgs, oSelf) {
var source = aArgs[0];
if(oSelf._elFt) {
oSelf._createSourceCheckbox(source);
}
};
YAHOO.widget.LogReader.prototype._onCheckCategory = function(v, oSelf) {
var newFilter = this.category;
var filtersArray = oSelf._categoryFilters;
if(!this.checked) { for(var i=0; i<filtersArray.length; i++) {
if(newFilter == filtersArray[i]) {
filtersArray.splice(i, 1);
break;
}
}
}
else { filtersArray.push(newFilter);
}
oSelf._filterLogs();
};
YAHOO.widget.LogReader.prototype._onCheckSource = function(v, oSelf) {
var newFilter = this.source;
var filtersArray = oSelf._sourceFilters;
if(!this.checked) { for(var i=0; i<filtersArray.length; i++) {
if(newFilter == filtersArray[i]) {
filtersArray.splice(i, 1);
break;
}
}
}
else { filtersArray.push(newFilter);
}
oSelf._filterLogs();
};
YAHOO.widget.LogReader.prototype._onClickCollapseBtn = function(v, oSelf) {
var btn = oSelf._btnCollapse;
if(btn.value == "Expand") {
oSelf._elConsole.style.display = "block";
if(oSelf._elFt) {
oSelf._elFt.style.display = "block";
}
btn.value = "Collapse";
}
else {
oSelf._elConsole.style.display = "none";
if(oSelf._elFt) {
oSelf._elFt.style.display = "none";
}
btn.value = "Expand";
}
};
YAHOO.widget.LogReader.prototype._onClickPauseBtn = function(v, oSelf) {
var btn = oSelf._btnPause;
if(btn.value == "Resume") {
oSelf.resume();
btn.value = "Pause";
}
else {
oSelf.pause();
btn.value = "Resume";
}
};
YAHOO.widget.LogReader.prototype._onClickClearBtn = function(v, oSelf) {
oSelf._clearConsole();
};
YAHOO.widget.LogReader.prototype._onNewLog = function(sType, aArgs, oSelf) {
var logEntry = aArgs[0];
oSelf._buffer.push(logEntry);
if (oSelf.logReaderEnabled === true && oSelf._timeout === null) {
oSelf._timeout = setTimeout(function(){oSelf._printBuffer();}, 100);
}
};
YAHOO.widget.LogReader.prototype._onReset = function(sType, aArgs, oSelf) {
oSelf._filterLogs();
};
YAHOO.widget.Logger = {
loggerEnabled: true,
_browserConsoleEnabled: false,
categories: ["info","warn","error","time","window"],
sources: ["global"],
_stack: [], maxStackEntries: 2500,
_startTime: new Date().getTime(), _lastTime: null };
YAHOO.widget.Logger.log = function(sMsg, sCategory, sSource) {
if(this.loggerEnabled) {
if(!sCategory) {
sCategory = "info"; }
else {
sCategory = sCategory.toLocaleLowerCase();
if(this._isNewCategory(sCategory)) {
this._createNewCategory(sCategory);
}
}
var sClass = "global"; var sDetail = null;
if(sSource) {
var spaceIndex = sSource.indexOf(" ");
if(spaceIndex > 0) {
sClass = sSource.substring(0,spaceIndex);
sDetail = sSource.substring(spaceIndex,sSource.length);
}
else {
sClass = sSource;
}
if(this._isNewSource(sClass)) {
this._createNewSource(sClass);
}
}
var timestamp = new Date();
var logEntry = new YAHOO.widget.LogMsg({
msg: sMsg,
time: timestamp,
category: sCategory,
source: sClass,
sourceDetail: sDetail
});
var stack = this._stack;
var maxStackEntries = this.maxStackEntries;
if(maxStackEntries && !isNaN(maxStackEntries) &&
(stack.length >= maxStackEntries)) {
stack.shift();
}
stack.push(logEntry);
this.newLogEvent.fire(logEntry);
if(this._browserConsoleEnabled) {
this._printToBrowserConsole(logEntry);
}
return true;
}
else {
return false;
}
};
YAHOO.widget.Logger.reset = function() {
this._stack = [];
this._startTime = new Date().getTime();
this.loggerEnabled = true;
this.log("Logger reset");
this.logResetEvent.fire();
};
YAHOO.widget.Logger.getStack = function() {
return this._stack;
};
YAHOO.widget.Logger.getStartTime = function() {
return this._startTime;
};
YAHOO.widget.Logger.disableBrowserConsole = function() {
YAHOO.log("Logger output to the function console.log() has been disabled.");
this._browserConsoleEnabled = false;
};
YAHOO.widget.Logger.enableBrowserConsole = function() {
this._browserConsoleEnabled = true;
YAHOO.log("Logger output to the function console.log() has been enabled.");
};
YAHOO.widget.Logger.categoryCreateEvent =
new YAHOO.util.CustomEvent("categoryCreate", this, true);
YAHOO.widget.Logger.sourceCreateEvent =
new YAHOO.util.CustomEvent("sourceCreate", this, true);
YAHOO.widget.Logger.newLogEvent = new YAHOO.util.CustomEvent("newLog", this, true);
YAHOO.widget.Logger.logResetEvent = new YAHOO.util.CustomEvent("logReset", this, true);
YAHOO.widget.Logger._createNewCategory = function(sCategory) {
this.categories.push(sCategory);
this.categoryCreateEvent.fire(sCategory);
};
YAHOO.widget.Logger._isNewCategory = function(sCategory) {
for(var i=0; i < this.categories.length; i++) {
if(sCategory == this.categories[i]) {
return false;
}
}
return true;
};
YAHOO.widget.Logger._createNewSource = function(sSource) {
this.sources.push(sSource);
this.sourceCreateEvent.fire(sSource);
};
YAHOO.widget.Logger._isNewSource = function(sSource) {
if(sSource) {
for(var i=0; i < this.sources.length; i++) {
if(sSource == this.sources[i]) {
return false;
}
}
return true;
}
};
YAHOO.widget.Logger._printToBrowserConsole = function(oEntry) {
if(window.console && console.log) {
var category = oEntry.category;
var label = oEntry.category.substring(0,4).toUpperCase();
var time = oEntry.time;
if (time.toLocaleTimeString) {
var localTime = time.toLocaleTimeString();
}
else {
localTime = time.toString();
}
var msecs = time.getTime();
var elapsedTime = (YAHOO.widget.Logger._lastTime) ?
(msecs - YAHOO.widget.Logger._lastTime) : 0;
YAHOO.widget.Logger._lastTime = msecs;
var output =
localTime + " (" +
elapsedTime + "ms): " +
oEntry.source + ": " +
oEntry.msg;
console.log(output);
}
};
YAHOO.widget.Logger._onWindowError = function(sMsg,sUrl,sLine) {
try {
YAHOO.widget.Logger.log(sMsg+' ('+sUrl+', line '+sLine+')', "window");
if(YAHOO.widget.Logger._origOnWindowError) {
YAHOO.widget.Logger._origOnWindowError();
}
}
catch(e) {
return false;
}
};
if(window.onerror) {
YAHOO.widget.Logger._origOnWindowError = window.onerror;
}
window.onerror = YAHOO.widget.Logger._onWindowError;
YAHOO.widget.Logger.log("Logger initialized");