Yahoo! UI Library

profilerviewer  2.9.0

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Class YAHOO.widget.ProfilerViewer - extends YAHOO.util.Element

A widget to view YUI Profiler output.

Constructor

YAHOO.widget.ProfilerViewer ( el(optional) , attr )
Parameters:
el(optional) <HTMLElement | String | Object> The html element into which the ProfileViewer should be rendered. An element will be created if none provided.
attr <Object> (optional) A key map of the ProfilerViewer's initial attributes. Ignored if first arg is an attributes object.

Properties

CLASS - static string

Classname for ProfilerViewer containing element.
Default Value: "yui-pv"

CLASS_BUSY - static string

Classname for busy indicator in the dashboard.
Default Value: "yui-pv-busy"

CLASS_CHART - static string

Classname for element containing the chart.
Default Value: "yui-pv-chart"

CLASS_CHART_CONTAINER - static string

Classname for element containing the chart and chart legend elements.
Default Value: "yui-pv-chartcontainer"

CLASS_CHART_LEGEND - static string

Classname for element containing the chart's legend.
Default Value: "yui-pv-chartlegend"

CLASS_DASHBOARD - static string

Classname for ProfilerViewer button dashboard.
Default Value: "yui-pv-dashboard"

CLASS_REFRESH - static string

Classname for the "refresh data" button.
Default Value: "yui-pv-refresh"

CLASS_TABLE - static string

Classname for element containing the datatable.
Default Value: "yui-pv-table"

percentAxisLabelFunction - private static function

Function used to format percent numbers for chart; must be publicly accessible, per Charts spec.

STRINGS - static object

HTML strings used in the UI. Values will be inserted into DOM with innerHTML.
Default Value: English language strings for UI.

timeAxisLabelFunction - private static function

Function used to format numbers in milliseconds for chart; must be publicly accessible, per Charts spec.

Properties inherited from YAHOO.util.Element:

DOM_EVENTS

Properties inherited from YAHOO.util.AttributeProvider:

_configs

Properties inherited from YAHOO.util.EventProvider:

__yui_events, __yui_subscribers

Methods

_arraySum

private void _arraySum ( )
Utility function for array sums.

_createButton

private void _createButton ( )
Create anchor elements for use as buttons. Args: label is text to appear on the face of the button, parentEl is the el to which the anchor will be attached, position is true for inserting as the first node and false for inserting as the last node of the parentEl.

_createProfilerViewerElement

private _createProfilerViewerElement ( )
If no element is passed in, create it as the first element in the document.
Returns:
HTMLElement

_dataTableRenderHandler

private void _dataTableRenderHandler ( )
Proxy the render event in DataTable into the ProfilerViewer attribute.

_drawChartLegend

private void _drawChartLegend ( )
Set up the Chart's legend

_getChartData

private void _getChartData ( )
Get data for the Chart from DataTable recordset

_getProfilerData

private void _getProfilerData ( )
Retrieves data from Profiler, filtering and sorting as needed based on current widget state. Adds calculated percentage column and function name to data returned by Profiler.

_getSeriesDef

private void _getSeriesDef ( )
Build series definition based on current configuration attributes.

_initChart

private void _initChart ( )
Set up the Chart.

_initChartDOM

private void _initChartDOM ( )
Set up the DOM structure for the ProfilerViewer canvas.

_initDataTable

private void _initDataTable ( )
Set up the DataTable.

_initLauncherDOM

private void _initLauncherDOM ( )
Set up the DOM structure for the ProfilerViewer launcher.

_initViewerDOM

private void _initViewerDOM ( )
Set up the DOM structure for the ProfilerViewer canvas, including the holder for the DataTable.

_refreshChart

private void _refreshChart ( )
Refresh chart, getting new data from table.

_refreshDataTable

private void _refreshDataTable ( )
Refresh DataTable, getting new data from Profiler.

_render

private _render ( )
Render the viewer canvas
Returns:
void

_setBusyState

private void _setBusyState ( )
Set's console busy state.

_sizeChartCanvas

private void _sizeChartCanvas ( )
Resize the chart's canvas if based on number of records returned from the chart's datasource.

_sortedByChange

private void _sortedByChange ( )
Proxy the sort event in DataTable into the ProfilerViewer attribute.

_thClickHandler

private void _thClickHandler ( )
Event handler for clicks on the DataTable's sortable column heads.

_toggleVisible

private _toggleVisible ( )
Toggles visibility of the viewer canvas.
Returns:
void

getBodyEl

getBodyEl ( )
Returns the element containing the console's body, including the chart and the datatable..
Returns:
HTMLElement

getChart

getChart ( )
Returns the element containing the console's Chart instance.
Returns:
YAHOO.widget.BarChart

getChartEl

getChartEl ( )
Returns the element containing the console's chart.
Returns:
HTMLElement

getDataTable

getDataTable ( )
Returns the element containing the console's DataTable instance.
Returns:
YAHOO.widget.DataTable

getHeadEl

getHeadEl ( )
Returns the element containing the console's header.
Returns:
HTMLElement

getTableEl

getTableEl ( )
Returns the element containing the console's dataTable.
Returns:
HTMLElement

hide

private hide ( )
Hides the viewer canvas.
Returns:
void

initAttributes

private void initAttributes ( attr )
setAttributeConfigs TabView specific properties.
Parameters:
attr <Object> Hash of initial attributes

refreshData

refreshData ( )
Refreshes the data displayed in the ProfilerViewer. When called, this will invoke a refresh of the DataTable and (if displayed) the Chart.
Returns:
void

show

private show ( )
Shows the viewer canvas.
Returns:
void

toString

private toString ( )
Provides a readable name for the ProfilerViewer instance.
Returns:
String

Events

baseChange

baseChange ( event )
Fires when the value for the configuration attribute 'base' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeBaseChange

beforeBaseChange ( event )
Fires before the value for the configuration attribute 'base' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeChartSeriesDefinitionsChange

beforeChartSeriesDefinitionsChange ( event )
Fires before the value for the configuration attribute 'chartSeriesDefinitions' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeChartStyleChange

beforeChartStyleChange ( event )
Fires before the value for the configuration attribute 'chartStyle' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeFilterChange

beforeFilterChange ( event )
Fires before the value for the configuration attribute 'filter' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeMaxChartFunctionsChange

beforeMaxChartFunctionsChange ( event )
Fires before the value for the configuration attribute 'maxChartFunctions' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeShowChartChange

beforeShowChartChange ( event )
Fires before the value for the configuration attribute 'showChart' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeSortedByChange

beforeSortedByChange ( event )
Fires before the value for the configuration attribute 'sortedBy' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeSwfUrlChange

beforeSwfUrlChange ( event )
Fires before the value for the configuration attribute 'swfUrl' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeTableHeightChange

beforeTableHeightChange ( event )
Fires before the value for the configuration attribute 'tableHeight' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeVisibleChange

beforeVisibleChange ( event )
Fires before the value for the configuration attribute 'visible' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

chartSeriesDefinitionsChange

chartSeriesDefinitionsChange ( event )
Fires when the value for the configuration attribute 'chartSeriesDefinitions' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

chartStyleChange

chartStyleChange ( event )
Fires when the value for the configuration attribute 'chartStyle' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

filterChange

filterChange ( event )
Fires when the value for the configuration attribute 'filter' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

maxChartFunctionsChange

maxChartFunctionsChange ( event )
Fires when the value for the configuration attribute 'maxChartFunctions' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

refreshDataEvent

refreshDataEvent ( )
Fired when a data refresh is requested. No arguments are passed with this event.

renderEvent

renderEvent ( )
Fired when the viewer canvas first renders. No arguments are passed with this event.

showChartChange

showChartChange ( event )
Fires when the value for the configuration attribute 'showChart' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

sortedByChange

sortedByChange ( event )
Fires when the value for the configuration attribute 'sortedBy' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

swfUrlChange

swfUrlChange ( event )
Fires when the value for the configuration attribute 'swfUrl' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

tableHeightChange

tableHeightChange ( event )
Fires when the value for the configuration attribute 'tableHeight' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

visibleChange

visibleChange ( event )
Fires when the value for the configuration attribute 'visible' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

Configuration Attributes

base - string

The YUI Loader base path from which to pull YUI files needed in the rendering of the ProfilerViewer canvas. Passed directly to YUI Loader. Leave blank to draw files from yui.yahooapis.com.
Default Value: ""

chartSeriesDefinitions - obj

The series definition information to use when charting specific fields on the chart. "displayName", "xField", and "style" members are used to construct the series definition; the "group" member is the array of fields that should be charted when the table is sorted by a given field. The "displayName" string value will be treated as markup and inserted into the DOM with innerHTML.
Default Value: See JS source for full default definitions.

chartStyle - obj

The style object that defines the chart's visual presentation. Conforms to the style attribute passed to the Charts Control constructor. See Charts Control User's Guide for more information on how to format this object.
Default Value: See JS source for default definitions.

filter - function

A filter function to use in selecting functions that will appear in the ProfilerViewer report. The function is passed a function report object and should return a boolean indicating whether that function should be included in the ProfilerViewer display. The argument is structured as follows: { fn: , calls : , avg : , max: , min: , total: points : } For example, you would use the follwing filter function to return only functions that have been called at least once: function(o) { return (o.calls > 0); }
Default Value: null

maxChartFunctions - int

The maximum number of functions to profile in the chart. The greater the number of functions, the greater the height of the chart canvas. height.
Default Value: 6

showChart - boolean

The default visibility setting for the chart.
Default Value: true

sortedBy - string

The default column key to sort by. Valid keys are: fn, calls, avg, min, max, total. Valid dir values are: YAHOO.widget.DataTable.CLASS_ASC and YAHOO.widget.DataTable.CLASS_DESC (or their string equivalents).
Default Value: {key:"total", dir:"yui-dt-desc"}

swfUrl - string

The path to the YUI Charts swf file; must be a full URI or a path relative to the page being profiled. Changes at runtime not supported; pass this value in at instantiation.
Default Value: "http://yui.yahooapis.com/2.5.0/build/charts/assets/charts.swf"

tableHeight - string

The height of the DataTable. The table will scroll vertically if the content overflows the specified height.
Default Value: "15em"

visible - boolean

The default visibility setting for the viewer canvas. If true, the viewer will load all necessary files and render itself immediately upon instantiation; otherwise, the viewer will load only minimal resources until the user toggles visibility via the UI.
Default Value: false

Configuration attributes inherited from YAHOO.util.Element:

element
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