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/***
MochiKit.LoggingPane 1.4
(c) 2005 Bob Ippolito. All rights Reserved.
***/
if (typeof(dojo) != 'undefined') {
dojo.provide('MochiKit.LoggingPane');
dojo.require('MochiKit.Logging');
dojo.require('MochiKit.Base');
}
if (typeof(JSAN) != 'undefined') {
JSAN.use("MochiKit.Logging", []);
JSAN.use("MochiKit.Base", []);
}
try {
if (typeof(MochiKit.Base) == 'undefined' || typeof(MochiKit.Logging) == 'undefined') {
throw "";
}
} catch (e) {
throw "MochiKit.LoggingPane depends on MochiKit.Base and MochiKit.Logging!";
}
if (typeof(MochiKit.LoggingPane) == 'undefined') {
MochiKit.LoggingPane = {};
}
MochiKit.LoggingPane.NAME = "MochiKit.LoggingPane";
MochiKit.LoggingPane.VERSION = "1.4";
MochiKit.LoggingPane.__repr__ = function () {
return "[" + this.NAME + " " + this.VERSION + "]";
};
MochiKit.LoggingPane.toString = function () {
return this.__repr__();
};
/** @id MochiKit.LoggingPane.createLoggingPane */
MochiKit.LoggingPane.createLoggingPane = function (inline/* = false */) {
var m = MochiKit.LoggingPane;
inline = !(!inline);
if (m._loggingPane && m._loggingPane.inline != inline) {
m._loggingPane.closePane();
m._loggingPane = null;
}
if (!m._loggingPane || m._loggingPane.closed) {
m._loggingPane = new m.LoggingPane(inline, MochiKit.Logging.logger);
}
return m._loggingPane;
};
/** @id MochiKit.LoggingPane.LoggingPane */
MochiKit.LoggingPane.LoggingPane = function (inline/* = false */, logger/* = MochiKit.Logging.logger */) {
/* Use a div if inline, pop up a window if not */
/* Create the elements */
if (typeof(logger) == "undefined" || logger === null) {
logger = MochiKit.Logging.logger;
}
this.logger = logger;
var update = MochiKit.Base.update;
var updatetree = MochiKit.Base.updatetree;
var bind = MochiKit.Base.bind;
var clone = MochiKit.Base.clone;
var win = window;
var uid = "_MochiKit_LoggingPane";
if (typeof(MochiKit.DOM) != "undefined") {
win = MochiKit.DOM.currentWindow();
}
if (!inline) {
// name the popup with the base URL for uniqueness
var url = win.location.href.split("?")[0].replace(/[#:\/.><&-]/g, "_");
var name = uid + "_" + url;
var nwin = win.open("", name, "dependent,resizable,height=200");
if (!nwin) {
alert("Not able to open debugging window due to pop-up blocking.");
return undefined;
}
nwin.document.write(
'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" '
+ '<html><head><title>[MochiKit.LoggingPane]</title></head>'
+ '<body></body></html>'
);
nwin.document.close();
nwin.document.title += ' ' + win.document.title;
win = nwin;
}
var doc = win.document;
this.doc = doc;
// Connect to the debug pane if it already exists (i.e. in a window orphaned by the page being refreshed)
var debugPane = doc.getElementById(uid);
var existing_pane = !!debugPane;
if (debugPane && typeof(debugPane.loggingPane) != "undefined") {
debugPane.loggingPane.logger = this.logger;
debugPane.loggingPane.buildAndApplyFilter();
return debugPane.loggingPane;
}
if (existing_pane) {
// clear any existing contents
var child;
while ((child = debugPane.firstChild)) {
debugPane.removeChild(child);
}
} else {
debugPane = doc.createElement("div");
debugPane.id = uid;
}
debugPane.loggingPane = this;
var levelFilterField = doc.createElement("input");
var infoFilterField = doc.createElement("input");
var filterButton = doc.createElement("button");
var loadButton = doc.createElement("button");
var clearButton = doc.createElement("button");
var closeButton = doc.createElement("button");
var logPaneArea = doc.createElement("div");
var logPane = doc.createElement("div");
/* Set up the functions */
var listenerId = uid + "_Listener";
this.colorTable = clone(this.colorTable);
var messages = [];
var messageFilter = null;
/** @id MochiKit.LoggingPane.messageLevel */
var messageLevel = function (msg) {
var level = msg.level;
if (typeof(level) == "number") {
level = MochiKit.Logging.LogLevel[level];
}
return level;
};
/** @id MochiKit.LoggingPane.messageText */
var messageText = function (msg) {
return msg.info.join(" ");
};
/** @id MochiKit.LoggingPane.addMessageText */
var addMessageText = bind(function (msg) {
var level = messageLevel(msg);
var text = messageText(msg);
var c = this.colorTable[level];
var p = doc.createElement("span");
p.className = "MochiKit-LogMessage MochiKit-LogLevel-" + level;
p.style.cssText = "margin: 0px; white-space: -moz-pre-wrap; white-space: -o-pre-wrap; white-space: pre-wrap; white-space: pre-line; word-wrap: break-word; wrap-option: emergency; color: " + c;
p.appendChild(doc.createTextNode(level + ": " + text));
logPane.appendChild(p);
logPane.appendChild(doc.createElement("br"));
if (logPaneArea.offsetHeight > logPaneArea.scrollHeight) {
logPaneArea.scrollTop = 0;
} else {
logPaneArea.scrollTop = logPaneArea.scrollHeight;
}
}, this);
/** @id MochiKit.LoggingPane.addMessage */
var addMessage = function (msg) {
messages[messages.length] = msg;
addMessageText(msg);
};
/** @id MochiKit.LoggingPane.buildMessageFilter */
var buildMessageFilter = function () {
var levelre, infore;
try {
/* Catch any exceptions that might arise due to invalid regexes */
levelre = new RegExp(levelFilterField.value);
infore = new RegExp(infoFilterField.value);
} catch(e) {
/* If there was an error with the regexes, do no filtering */
logDebug("Error in filter regex: " + e.message);
return null;
}
return function (msg) {
return (
levelre.test(messageLevel(msg)) &&
infore.test(messageText(msg))
);
};
};
/** @id MochiKit.LoggingPane.clearMessagePane */
var clearMessagePane = function () {
while (logPane.firstChild) {
logPane.removeChild(logPane.firstChild);
}
};
/** @id MochiKit.LoggingPane.clearMessages */
var clearMessages = function () {
messages = [];
clearMessagePane();
};
/** @id MochiKit.LoggingPane.closePane */
var closePane = bind(function () {
if (this.closed) {
return;
}
this.closed = true;
if (MochiKit.LoggingPane._loggingPane == this) {
MochiKit.LoggingPane._loggingPane = null;
}
this.logger.removeListener(listenerId);
debugPane.loggingPane = null;
if (inline) {
debugPane.parentNode.removeChild(debugPane);
} else {
this.win.close();
}
}, this);
/** @id MochiKit.LoggingPane.filterMessages */
var filterMessages = function () {
clearMessagePane();
for (var i = 0; i < messages.length; i++) {
var msg = messages[i];
if (messageFilter === null || messageFilter(msg)) {
addMessageText(msg);
}
}
};
this.buildAndApplyFilter = function () {
messageFilter = buildMessageFilter();
filterMessages();
this.logger.removeListener(listenerId);
this.logger.addListener(listenerId, messageFilter, addMessage);
};
/** @id MochiKit.LoggingPane.loadMessages */
var loadMessages = bind(function () {
messages = this.logger.getMessages();
filterMessages();
}, this);
/** @id MochiKit.LoggingPane.filterOnEnter */
var filterOnEnter = bind(function (event) {
event = event || window.event;
key = event.which || event.keyCode;
if (key == 13) {
this.buildAndApplyFilter();
}
}, this);
/* Create the debug pane */
var style = "display: block; z-index: 1000; left: 0px; bottom: 0px; position: fixed; width: 100%; background-color: white; font: " + this.logFont;
if (inline) {
style += "; height: 10em; border-top: 2px solid black";
} else {
style += "; height: 100%;";
}
debugPane.style.cssText = style;
if (!existing_pane) {
doc.body.appendChild(debugPane);
}
/* Create the filter fields */
style = {"cssText": "width: 33%; display: inline; font: " + this.logFont};
updatetree(levelFilterField, {
"value": "FATAL|ERROR|WARNING|INFO|DEBUG",
"onkeypress": filterOnEnter,
"style": style
});
debugPane.appendChild(levelFilterField);
updatetree(infoFilterField, {
"value": ".*",
"onkeypress": filterOnEnter,
"style": style
});
debugPane.appendChild(infoFilterField);
/* Create the buttons */
style = "width: 8%; display:inline; font: " + this.logFont;
filterButton.appendChild(doc.createTextNode("Filter"));
filterButton.onclick = bind("buildAndApplyFilter", this);
filterButton.style.cssText = style;
debugPane.appendChild(filterButton);
loadButton.appendChild(doc.createTextNode("Load"));
loadButton.onclick = loadMessages;
loadButton.style.cssText = style;
debugPane.appendChild(loadButton);
clearButton.appendChild(doc.createTextNode("Clear"));
clearButton.onclick = clearMessages;
clearButton.style.cssText = style;
debugPane.appendChild(clearButton);
closeButton.appendChild(doc.createTextNode("Close"));
closeButton.onclick = closePane;
closeButton.style.cssText = style;
debugPane.appendChild(closeButton);
/* Create the logging pane */
logPaneArea.style.cssText = "overflow: auto; width: 100%";
logPane.style.cssText = "width: 100%; height: " + (inline ? "8em" : "100%");
logPaneArea.appendChild(logPane);
debugPane.appendChild(logPaneArea);
this.buildAndApplyFilter();
loadMessages();
if (inline) {
this.win = undefined;
} else {
this.win = win;
}
this.inline = inline;
this.closePane = closePane;
this.closed = false;
return this;
};
MochiKit.LoggingPane.LoggingPane.prototype = {
"logFont": "8pt Verdana,sans-serif",
"colorTable": {
"ERROR": "red",
"FATAL": "darkred",
"WARNING": "blue",
"INFO": "black",
"DEBUG": "green"
}
};
MochiKit.LoggingPane.EXPORT_OK = [
"LoggingPane"
];
MochiKit.LoggingPane.EXPORT = [
"createLoggingPane"
];
MochiKit.LoggingPane.__new__ = function () {
this.EXPORT_TAGS = {
":common": this.EXPORT,
":all": MochiKit.Base.concat(this.EXPORT, this.EXPORT_OK)
};
MochiKit.Base.nameFunctions(this);
MochiKit.LoggingPane._loggingPane = null;
};
MochiKit.LoggingPane.__new__();
MochiKit.Base._exportSymbols(this, MochiKit.LoggingPane);