Yahoo! UI Library

Logger Widget 

Yahoo! UI Library > logger > YAHOO.widget.LogReader

Class YAHOO.widget.LogReader

The LogReader class provides UI to read messages logged to YAHOO.widget.Logger.

Constructor

YAHOO.widget.LogReader ( elContainer , oConfigs )
Parameters:
elContainer <HTMLElement> (optional) DOM element reference of an existing DIV.
elContainer <String> (optional) String ID of an existing DIV.
oConfigs <Object> (optional) Object literal of configuration params.

Properties

_btnClear - private HTMLElement

Clear button element.

_btnCollapse - private HTMLElement

LogReader collapse button element.

_btnPause - private HTMLElement

LogReader pause button element.

_buffer - private Object[]

Buffer of log message objects for batch output.

_categoryFilters - private String[]

Array of filters for log message categories.

_consoleMsgCount - private Number

Number of log messages output to console.
Default Value: 0

_elBtns - private HTMLElement

LogReader buttons container element.

_elCategoryFilters - private HTMLElement

Container element for LogReader category filter checkboxes.

_elCollapse - private HTMLElement

LogReader collapse element.

_elConsole - private HTMLElement

LogReader console element.

_elContainer - private HTMLElement

LogReader container element.

_elDefaultContainer - private HTMLElement

A class member shared by all LogReaders if a container needs to be created during instantiation. Will be null if a container element never needs to be created on the fly, such as when the implementer passes in their own element.

_elFt - private HTMLElement

LogReader footer element.

_elHd - private HTMLElement

LogReader header element.

_elSourceFilters - private HTMLElement

Container element for LogReader source filter checkboxes.

_lastTime - private Date

Date of last output log message.

_memberName - private static Number

Internal class member to index multiple LogReader instances.
Default Value: 0

_sName - private String

Name of LogReader instance.

_sourceFilters - private String[]

Array of filters for log message sources.

_timeout - private Number

Batched output timeout ID.

_title - private HTMLElement

LogReader title header element.

bottom - String

Public member to access CSS bottom position of the LogReader container.

fontSize - String

Public member to access CSS font size of the LogReader container.

footerEnabled - Boolean

Whether or not the footer UI is enabled for the LogReader.
Default Value: true

height - String

Public member to access CSS height of the LogReader container.

isCollapsed - Boolean

True when LogReader is in a collapsed state, false otherwise.
Default Value: false

left - String

Public member to access CSS left position of the LogReader container.

logReaderEnabled - Boolean

Whether or not LogReader is enabled to output log messages.
Default Value: true

newestOnTop - Boolean

Whether or not newest message is printed on top.

right - String

Public member to access CSS right position of the LogReader container.

thresholdMax - Number

Maximum number of messages a LogReader console will display.
Default Value: 500

thresholdMin - Number

When a LogReader console reaches its thresholdMax, it will clear out messages and print out the latest thresholdMin number of messages.
Default Value: 100

top - String

Public member to access CSS top position of the LogReader container.

verboseOutput - Boolean

Whether or not output is verbose (more readable). Setting to true will make output more compact (less readable).
Default Value: true

width - String

Public member to access CSS width of the LogReader container.

Methods

_clearConsole

private void _clearConsole ( )
Clears all outputted log messages from the console and resets the time of the last output log message.
Returns: void

_createCategoryCheckbox

private void _createCategoryCheckbox ( sCategory )
Creates the UI for a category filter in the LogReader footer element.
Parameters:
sCategory <String> Category name.
Returns: void

_createSourceCheckbox

private void _createSourceCheckbox ( sSource )
Creates a checkbox in the LogReader footer element to filter by source.
Parameters:
sSource <String> Source name.
Returns: void

_filterLogs

private void _filterLogs ( )
Reprints all log messages in the stack through filters.
Returns: void

_onCategoryCreate

private void _onCategoryCreate ( sType , aArgs , oSelf )
Handles Logger's categoryCreateEvent.
Parameters:
sType <String> The event.
aArgs <Object[]> Data passed from event firer.
oSelf <Object> The LogReader instance.
Returns: void

_onCheckCategory

private void _onCheckCategory ( v , oSelf )
Handles check events on the category filter checkboxes.
Parameters:
v <HTMLEvent> The click event.
oSelf <Object> The LogReader instance.
Returns: void

_onCheckSource

private void _onCheckSource ( v , oSelf )
Handles check events on the category filter checkboxes.
Parameters:
v <HTMLEvent> The click event.
oSelf <Object> The LogReader instance.
Returns: void

_onClickClearBtn

private void _onClickClearBtn ( v , oSelf )
Handles click events on the clear button.
Parameters:
v <HTMLEvent> The click event.
oSelf <Object> The LogReader instance.
Returns: void

_onClickCollapseBtn

private void _onClickCollapseBtn ( v , oSelf )
Handles click events on the collapse button.
Parameters:
v <HTMLEvent> The click event.
oSelf <Object> The LogReader instance
Returns: void

_onClickPauseBtn

private void _onClickPauseBtn ( v , oSelf )
Handles click events on the pause button.
Parameters:
v <HTMLEvent> The click event.
oSelf <Object> The LogReader instance.
Returns: void

_onNewLog

private void _onNewLog ( sType , aArgs , oSelf )
Handles Logger's newLogEvent.
Parameters:
sType <String> The event.
aArgs <Object[]> Data passed from event firer.
oSelf <Object> The LogReader instance.
Returns: void

_onReset

private void _onReset ( sType , aArgs , oSelf )
Handles Logger's resetEvent.
Parameters:
sType <String> The event.
aArgs <Object[]> Data passed from event firer.
oSelf <Object> The LogReader instance.
Returns: void

_onSourceCreate

private void _onSourceCreate ( sType , aArgs , oSelf )
Handles Logger's sourceCreateEvent.
Parameters:
sType <String> The event.
aArgs <Object[]> Data passed from event firer.
oSelf <Object> The LogReader instance.
Returns: void

_printBuffer

private void _printBuffer ( )
Sends buffer of log messages to output and clears buffer.
Returns: void

_printToConsole

private void _printToConsole ( aEntries )
Cycles through an array of log messages, and outputs each one to the console if its category has not been filtered out.
Parameters:
aEntries <Object[]> Array of LogMsg objects to output to console.
Returns: void

collapse

void collapse ( )
Collapses UI of LogReader. Logging functionality is not disrupted.
Returns: void

expand

void expand ( )
Expands UI of LogReader. Logging functionality is not disrupted.
Returns: void

formatMsg

String formatMsg ( oLogMsg )
Formats message string to HTML for output to console.
Parameters:
oLogMsg <Object> Log message object.
Returns: String
HTML-formatted message for output to console.

getLastTime

Date getLastTime ( )
Gets timestamp of the last log.
Returns: Date
Timestamp of the last log.

hide

void hide ( )
Hides UI of LogReader. Logging functionality is not disrupted.
Returns: void

html2Text

private void html2Text ( sHtml )
Converts input chars "<", ">", and "&" to HTML entities.
Parameters:
sHtml <String> String to convert.
Returns: void

pause

void pause ( )
Pauses output of log messages. While paused, log messages are not lost, but get saved to a buffer and then output upon resume of LogReader.
Returns: void

resume

void resume ( )
Resumes output of log messages, including outputting any log messages that have been saved to buffer while paused.
Returns: void

setTitle

void setTitle ( sTitle )
Updates title to given string.
Parameters:
sTitle <String> New title.
Returns: void

show

void show ( )
Shows UI of LogReader. Logging functionality is not disrupted.
Returns: void

toString

String toString ( )
Public accessor to the unique name of the LogReader instance.
Returns: String
Unique name of the LogReader instance.

Modules

Classes

Files

Properties

Methods

Copyright © 2006 Yahoo! Inc. All rights reserved.