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EZtrace.js
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EZtrace.js
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/*global
EZdisplayCaller,
EZ, dw:true, DWfile, e:true, g */
var e;
(function jshint_globals_not_used() { //global variables and functions defined but not used
e = [
e, g, dw, DWfile]
});
/*---------------------------------------------------------------------------
Add message to trace queue for display by EZtrace.html
Deletes messages already diplayed, more than hour old or more than last 500.
if 2 arguments and 1st (heading) can be options
----------------------------------------------------------------------------*/
EZ.trace = function EZtrace(heading, text, options)
{
var rtnValue = '';
var timeout = EZ.trace.save;
//.........................................
while (EZ.start({lock:true}))
{
//.....................................
// try
{
EZ.trace.options = EZ.trace.options ||
{
mode: false,
name: location.pathname.replace(/.*\/(.*)\..*/, '$1'),
maxsize: 50,
hiddensize: 10, //TODO:
format: 'EZ.toString'
}
//---------------------------\\
//----- process arguments -----\\
//-------------------------------\\
switch (arguments.length)
{
case 0: return;
case 1:
{
if (typeof(heading) == 'boolean') //if boolean, turn on or off trace
{
heading = setMode(heading) ? '@trace enabled' : '';
text = options = '';
}
else if (heading.startsWith('@'))
{
text = options = '';
}
else
{
text = heading;
heading = options = '';
}
break;
}
case 2:
{
if (EZ.isOptions(heading, true))
{
options = heading;
heading = '';
break;
}
}
}
var formattedTime = traceSetup();
options = EZ.getOptions(EZ.trace.options, options);
if (heading.startsWith('@'))
options.clear = true;
//----------------------------\\
//----- append new message -----\\
//--------------------------------\\
var msg = {
time: formattedTime,
caller: EZdisplayCaller ? EZdisplayCaller() : '',
heading: heading.toString(),
text: text,
mode: options.mode
}
if (options.stacktrace)
msg.stackTrace = EZ.getStackTrace().slice(4);
EZ.trace.messages = EZ.trace.messages || [];
EZ.trace.messages.push(msg);
timeout = EZ.trace.save;
rtnValue = EZ.trace.messages.length + ' queued messages'
+ (!options.mode ? ' (trace not enabled)' : '');
}
// catch (e)
// {
// EZ.techSupport(e);
// }
//.....................................
break;
}
//=========================================================================================
return EZ.finish(rtnValue, {timeout:timeout}); //calls save after no activity for 1 second
//=========================================================================================
//.........................................
/**
*
*/
function traceSetup()
{
// EZ.trace.time = EZ.date();
// var formattedTime = EZ.trace.time.toString();
EZ.trace.time = new Date()
var formattedTime = EZ.formatDate();
if (EZ.trace.count)
EZ.trace.count++;
else
{
EZ.trace.count = 1;
/// EZ.trace.options = getUpdatedOptions();
EZ.trace.options.time = formattedTime;
EZ.trace.mode = EZ.trace.mode || EZ.trace.options.mode;
}
return formattedTime;
//_____________________________________________________________________________
/**
* merge global, saved and call options
*/
function getUpdatedOptions()
{
var savedOptions = EZ.ls.get('EZtrace.options', {}); //updated by us
// var savedTime = EZ.date(savedOptions.time);
var savedTime = new Date(savedOptions.time).getTime();
var traceTime = new Date(savedOptions.time || 0).getTime();
var traceOptionsTime = new Date(EZ.trace.options.time || 0).getTime();
if (isNaN(savedTime)
|| savedTime < traceTime - (1000 * 60 * 60 * 24) //EZ.trace.time.addDays(-1)
|| savedTime < traceOptionsTime) //EZ.trace.options.time)
savedOptions = {};
var displayUpdates = EZ.trace.displayUpdates || {}; //updated by EZtrace.html
var updatedOptions = displayUpdates.options || {};
// var updatedTime = EZ.date(updatedOptions.time);
var updatedTime = new Date(updatedOptions.time);
if (isNaN(updatedTime)
|| updatedTime < traceTime + (1000 * 60 * 60) //EZ.trace.time.addHours(-1)
|| updatedTime < traceOptionsTime //EZ.trace.options.time
|| updatedTime < savedTime) //savedTime may be invalid ??
updatedOptions = {};
return EZ.mergeAppendOnly(EZ.trace.options, savedOptions, updatedOptions)
}
}
/**
*
*/
function getMode(options)
{
return EZ.trace.mode || options.mode || false;
}
e = getMode;
/**
*
*/
function setMode(mode)
{
if (EZ.trace.options.mode != mode)
{
EZ.trace.options.mode = mode;
EZ.trace.options.time = EZ.formatDate(); //EZ.date() + '';;
}
return EZ.trace.mode = mode;
}
}
/*----------------------------------------------------------------------------------
EZ.trace.save()
----------------------------------------------------------------------------------*/
EZ.trace.save = function EZtrace_save()
{
/**
displayUpdates = { //only updated by EZtrace.html
time: 'formattedDateTime' //time all groups updated
groups: {
name: {
time: 'formattedDateTime' //time messages displayed
options: { //only if updated
time: "formattedDateTime", //time options updated by EZtrace.html
key: value,
...
}
}
}
}
*/
EZ.trace.displayUpdates = EZ.ls.get('.EZtrace.displayUpdates', {groups:{}});
//var displayTime = EZ.date(EZ.trace.displayUpdates.time || null);
var displayTime = new Date(EZ.trace.displayUpdates.time);
if (isNaN(displayTime))
displayTime = new Date();
var displayUpdates = getDisplayUpdates();
var group = '.'.concat(EZ.trace.options.name,'=').ov(displayUpdates.groups, {});
// displayTime = EZ.date(group.time || null) || displayTime;
var dt = new Date(group.time)
displayTime = (isNaN(dt)) ? displayTime : dt;
var messages = EZ.trace.messages || [];
if (messages.length) //delete messages already displayed
{
// while (messages.length && EZ.date(messages[0].time) < displayTime)
while (messages.length && new Date(messages[0].time).getTime() < displayTime.getTime())
messages.shift();
}
//-------------------------------------\\
//----- prune and save traceUpdates -----\\
//-----------------------------------------\\
/**
traceUpdate = { //only updated by EZ.trace.save()
time: 'formattedDateTime' //latest time updated by any html page
pages: {
name: {
time: 'formattedDateTime' //time group updated
options: { //only if updated
time: "formattedDateTime", //time options updated by html page
key: value,
...
}
messageCount: #
}
}
}
*/
if (displayTime)
{
EZ.trace.traceUpdates = EZ.ls.get('.EZtrace.traceUpdates', {groups:{}});
var traceUpdates = getTraceUpdates()
var formattedTime = EZ.trace.time.toString('timestampLong');
traceUpdates.time = formattedTime;
traceUpdates.groups[EZ.trace.options.name] = {
time: formattedTime,
options: EZ.trace.options,
messageCount: EZ.trace.messages.length
}
for (var name in traceUpdates.groups)
{
// var displayTime = displayUpdates[name];
var group = traceUpdates.groups[name];
if (!group) continue;
//var time = RZtime(group.time)
var time = new Date(group.time || 0).getTime();
var traceTime = new Date(EZ.trace.time || 0).getTime() - (1000 * 60 * 60);
if (!time || time < traceTime) //EZ.trace.time.addHours(-1))
delete traceUpdates.groups[name];
}
}
EZ.ls.set('.EZtrace.updates', EZ.trace.traceUpdates);
EZ.ls.set('EZtrace.messages', messages);
//_____________________________________________________________________________
/**
*
*/
function getDisplayUpdates()
{
var displayUpdates = EZ.trace.displayUpdates;
return displayUpdates;
}
//_____________________________________________________________________________
function getTraceUpdates(displayUpdates)
{
e = displayUpdates;
var traceUpdates = EZ.trace.traceUpdates;
return traceUpdates;
}
}