Yahoo! UI Library > profilerviewer > profilerviewer.js (source view)
(function() {
/**
* The ProfilerViewer module provides a graphical display for viewing
* the output of the YUI Profiler <http://developer.yahoo.com/yui/profiler>.
* @module profilerviewer
* @requires yahoo, dom, event, element, profiler, yuiloader
*/
/**
* A widget to view YUI Profiler output.
* @namespace YAHOO.widget
* @class ProfilerViewer
* @extends YAHOO.util.Element
* @constructor
* @param {HTMLElement | String | Object} el(optional) The html
* element into which the ProfileViewer should be rendered.
* An element will be created if none provided.
* @param {Object} attr (optional) A key map of the ProfilerViewer's
* initial attributes. Ignored if first arg is an attributes object.
*/
YAHOO.widget.ProfilerViewer = function(el, attr) {
attr = attr || {};
if (arguments.length == 1 && !YAHOO.lang.isString(el) && !el.nodeName) {
attr = el;
el = attr.element || null;
}
if (!el && !attr.element) {
el = this._createProfilerViewerElement();
}
YAHOO.widget.ProfilerViewer.superclass.constructor.call(this, el, attr);
this._init();
YAHOO.log("ProfilerViewer instantiated.", "info", "ProfilerViewer");
};
YAHOO.extend(YAHOO.widget.ProfilerViewer, YAHOO.util.Element);
// Static members of YAHOO.widget.ProfilerViewer:
YAHOO.lang.augmentObject(YAHOO.widget.ProfilerViewer, {
/**
* Classname for ProfilerViewer containing element.
* @static
* @property CLASS
* @type string
* @public
* @default "yui-pv"
*/
CLASS: 'yui-pv',
/**
* Classname for ProfilerViewer button dashboard.
* @static
* @property CLASS_DASHBOARD
* @type string
* @public
* @default "yui-pv-dashboard"
*/
CLASS_DASHBOARD: 'yui-pv-dashboard',
/**
* Classname for the "refresh data" button.
* @static
* @property CLASS_REFRESH
* @type string
* @public
* @default "yui-pv-refresh"
*/
CLASS_REFRESH: 'yui-pv-refresh',
/**
* Classname for busy indicator in the dashboard.
* @static
* @property CLASS_BUSY
* @type string
* @public
* @default "yui-pv-busy"
*/
CLASS_BUSY: 'yui-pv-busy',
/**
* Classname for element containing the chart and chart
* legend elements.
* @static
* @property CLASS_CHART_CONTAINER
* @type string
* @public
* @default "yui-pv-chartcontainer"
*/
CLASS_CHART_CONTAINER: 'yui-pv-chartcontainer',
/**
* Classname for element containing the chart.
* @static
* @property CLASS_CHART
* @type string
* @public
* @default "yui-pv-chart"
*/
CLASS_CHART: 'yui-pv-chart',
/**
* Classname for element containing the chart's legend.
* @static
* @property CLASS_CHART_LEGEND
* @type string
* @public
* @default "yui-pv-chartlegend"
*/
CLASS_CHART_LEGEND: 'yui-pv-chartlegend',
/**
* Classname for element containing the datatable.
* @static
* @property CLASS_TABLE
* @type string
* @public
* @default "yui-pv-table"
*/
CLASS_TABLE: 'yui-pv-table',
/**
* Strings used in the UI.
* @static
* @property STRINGS
* @object
* @public
* @default English language strings for UI.
*/
STRINGS: {
title: "YUI Profiler (beta)",
buttons: {
viewprofiler: "View Profiler Data",
hideprofiler: "Hide Profiler Report",
showchart: "Show Chart",
hidechart: "Hide Chart",
refreshdata: "Refresh Data"
},
colHeads: {
//key: [column head label, width in pixels]
fn: ["Function/Method", null], //must auto-size
calls: ["Calls", 40],
avg: ["Average", 70],
min: ["Shortest", 70],
max: ["Longest", 70],
total: ["Total Time", 70],
pct: ["Percent", 70]
},
millisecondsAbbrev: "ms",
initMessage: "initialiazing chart...",
installFlashMessage: "Unable to load Flash content. The YUI Charts Control requires Flash Player 9.0.45 or higher. You can download the latest version of Flash Player from the <a href='http://www.adobe.com/go/getflashplayer'>Adobe Flash Player Download Center</a>."
},
/**
* Function used to format numbers in milliseconds
* for chart; must be publicly accessible, per Charts spec.
* @static
* @property timeAxisLabelFunction
* @type function
* @private
*/
timeAxisLabelFunction: function(n) {
var a = (n === Math.floor(n)) ? n : (Math.round(n*1000))/1000;
return (a + " " + YAHOO.widget.ProfilerViewer.STRINGS.millisecondsAbbrev);
},
/**
* Function used to format percent numbers for chart; must
* be publicly accessible, per Charts spec.
* @static
* @property percentAxisLabelFunction
* @type function
* @private
*/
percentAxisLabelFunction: function(n) {
var a = (n === Math.floor(n)) ? n : (Math.round(n*100))/100;
return (a + "%");
}
},true);
//
// STANDARD SHORTCUTS
//
var Dom = YAHOO.util.Dom;
var Event = YAHOO.util.Event;
var Profiler = YAHOO.tool.Profiler;
var PV = YAHOO.widget.ProfilerViewer;
var proto = PV.prototype;
//
// PUBLIC METHODS
//
/**
* Refreshes the data displayed in the ProfilerViewer. When called,
* this will invoke a refresh of the DataTable and (if displayed)
* the Chart.
* @method refreshData
* @return void
* @public
*/
proto.refreshData = function() {
YAHOO.log("Data refresh requested via refreshData method.", "info", "ProfilerViewer");
this.fireEvent("dataRefreshEvent");
};
/**
* Returns the element containing the console's header.
* @method getHeadEl
* @return HTMLElement
* @public
*/
proto.getHeadEl = function() {
YAHOO.log("Head element requested via getHeadEl.", "info", "ProfilerViewer");
return (this._headEl) ? Dom.get(this._headEl) : false;
};
/**
* Returns the element containing the console's body, including
* the chart and the datatable..
* @method getBodyEl
* @return HTMLElement
* @public
*/
proto.getBodyEl = function() {
YAHOO.log("Body element requested via getBodyEl.", "info", "ProfilerViewer");
return (this._bodyEl) ? Dom.get(this._bodyEl) : false;
};
/**
* Returns the element containing the console's chart.
* @method getChartEl
* @return HTMLElement
* @public
*/
proto.getChartEl = function() {
YAHOO.log("Chart element requested via getChartEl.", "info", "ProfilerViewer");
return (this._chartEl) ? Dom.get(this._chartEl) : false;
};
/**
* Returns the element containing the console's dataTable.
* @method getTableEl
* @return HTMLElement
* @public
*/
proto.getTableEl = function() {
YAHOO.log("DataTable element requested via getTableEl.", "info", "ProfilerViewer");
return (this._tableEl) ? Dom.get(this._tableEl) : false;
};
/**
* Returns the element containing the console's DataTable
* instance.
* @method getDataTable
* @return YAHOO.widget.DataTable
* @public
*/
proto.getDataTable = function() {
YAHOO.log("DataTable instance requested via getDataTable.", "info", "ProfilerViewer");
return this._dataTable;
};
/**
* Returns the element containing the console's Chart instance.
* @method getChart
* @return YAHOO.widget.BarChart
* @public
*/
proto.getChart = function() {
YAHOO.log("Chart instance requested via getChart.", "info", "ProfilerViewer");
return this._chart;
};
//
// PRIVATE PROPERTIES
//
proto._rendered = false;
proto._headEl = null;
proto._bodyEl = null;
proto._toggleVisibleEl = null;
proto._busyEl = null;
proto._busy = false;
proto._tableEl = null;
proto._dataTable = null;
proto._chartEl = null;
proto._chartLegendEl = null;
proto._chartElHeight = 250;
proto._chart = null;
proto._chartInitialized = false;
//
// PRIVATE METHODS
//
proto._init = function() {
/**
* CUSTOM EVENTS
**/
/**
* Fired when a data refresh is requested. No arguments are passed
* with this event.
*
* @event refreshDataEvent
*/
this.createEvent("dataRefreshEvent");
/**
* Fired when the viewer canvas first renders. No arguments are passed
* with this event.
*
* @event renderEvent
*/
this.createEvent("renderEvent");
this.on("dataRefreshEvent", this._refreshDataTable, this, true);
this._initLauncherDOM();
if(this.get("showChart")) {
this.on("sortedByChange", this._refreshChart);
}
YAHOO.log("ProfilerViewer instance initialization complete.", "info", "ProfilerViewer");
};
/**
* If no element is passed in, create it as the first element
* in the document.
* @method _createProfilerViewerElement
* @return HTMLElement
* @private
*/
proto._createProfilerViewerElement = function() {
YAHOO.log("Creating root element...", "info", "ProfilerViewer");
var el = document.createElement("div");
document.body.insertBefore(el, document.body.firstChild);
Dom.addClass(el, this.SKIN_CLASS);
Dom.addClass(el, PV.CLASS);
YAHOO.log(el);
return el;
};
/**
* Provides a readable name for the ProfilerViewer instance.
* @method toString
* @return String
* @private
*/
proto.toString = function() {
return "ProfilerViewer " + (this.get('id') || this.get('tagName'));
};
/**
* Toggles visibility of the viewer canvas.
* @method _toggleVisible
* @return void
* @private
*/
proto._toggleVisible = function() {
YAHOO.log("Toggling visibility to " + !this.get("visible") + ".", "info", "ProfilerViewer");
var newVis = (this.get("visible")) ? false : true;
this.set("visible", newVis);
};
/**
* Shows the viewer canvas.
* @method show
* @return void
* @private
*/
proto._show = function() {
this._setBusyState(true);
if(!this._rendered) {
var loader = new YAHOO.util.YUILoader();
if (this.get("base")) {
loader.base = this.get("base");
}
var modules = ["datatable"];
if(this.get("showChart")) {
modules.push("charts");
}
loader.insert({ require: modules,
onSuccess: function() {
this._render();
},
scope: this});
} else {
var el = this.get("element");
Dom.removeClass(el, "yui-pv-minimized");
this._toggleVisibleEl.innerHTML = PV.STRINGS.buttons.hideprofiler;
Dom.addClass(el, "yui-pv-null");
Dom.removeClass(el, "yui-pv-null");
this.refreshData();
}
};
/**
* Hides the viewer canvas.
* @method hide
* @return void
* @private
*/
proto._hide = function() {
this._toggleVisibleEl.innerHTML = PV.STRINGS.buttons.viewprofiler;
Dom.addClass(this.get("element"), "yui-pv-minimized");
};
/**
* Render the viewer canvas
* @method _render
* @return void
* @private
*/
proto._render = function() {
YAHOO.log("Beginning to render ProfilerViewer canvas...", "info", "ProfilerViewer");
Dom.removeClass(this.get("element"), "yui-pv-minimized");
this._initViewerDOM();
this._initDataTable();
if(this.get("showChart")) {
this._initChartDOM();
this._initChart();
}
this._rendered = true;
this._toggleVisibleEl.innerHTML = PV.STRINGS.buttons.hideprofiler;
this.fireEvent("renderEvent");
YAHOO.log("ProfilerViewer rendering complete...", "info", "ProfilerViewer");
};
/**
* Set up the DOM structure for the ProfilerViewer launcher.
* @method _initLauncherDOM
* @private
*/
proto._initLauncherDOM = function() {
YAHOO.log("Creating the launcher...", "info", "ProfilerViewer");
var el = this.get("element");
Dom.addClass(el, PV.CLASS);
Dom.addClass(el, "yui-pv-minimized");
this._headEl = document.createElement("div");
Dom.addClass(this._headEl, "hd");
var s = PV.STRINGS.buttons;
var b = (this.get("visible")) ? s.hideprofiler : s.viewprofiler;
this._toggleVisibleEl = this._createButton(b, this._headEl);
this._refreshEl = this._createButton(s.refreshdata, this._headEl);
Dom.addClass(this._refreshEl, PV.CLASS_REFRESH);
this._busyEl = document.createElement("span");
this._headEl.appendChild(this._busyEl);
var title = document.createElement("h4");
title.innerHTML = PV.STRINGS.title;
this._headEl.appendChild(title);
el.appendChild(this._headEl);
Event.on(this._toggleVisibleEl, "click", this._toggleVisible, this, true);
Event.on(this._refreshEl, "click", function() {
if(!this._busy) {
this._setBusyState(true);
this.fireEvent("dataRefreshEvent");
}
}, this, true);
};
/**
* Set up the DOM structure for the ProfilerViewer canvas,
* including the holder for the DataTable.
* @method _initViewerDOM
* @private
*/
proto._initViewerDOM = function() {
YAHOO.log("Creating DOM structure for viewer...", "info", "ProfilerViewer");
var el = this.get("element");
this._bodyEl = document.createElement("div");
Dom.addClass(this._bodyEl, "bd");
this._tableEl = document.createElement("div");
Dom.addClass(this._tableEl, PV.CLASS_TABLE);
this._bodyEl.appendChild(this._tableEl);
el.appendChild(this._bodyEl);
};
/**
* Set up the DOM structure for the ProfilerViewer canvas.
* @method _initChartDOM
* @private
*/
proto._initChartDOM = function() {
YAHOO.log("Adding DOM structure for chart...", "info", "ProfilerViewer");
this._chartContainer = document.createElement("div");
Dom.addClass(this._chartContainer, PV.CLASS_CHART_CONTAINER);
var chl = document.createElement("div");
Dom.addClass(chl, PV.CLASS_CHART_LEGEND);
var chw = document.createElement("div");
this._chartLegendEl = document.createElement("dl");
this._chartLegendEl.innerHTML = "<dd>" + PV.STRINGS.initMessage + "</dd>";
this._chartEl = document.createElement("div");
Dom.addClass(this._chartEl, PV.CLASS_CHART);
var msg = document.createElement("p");
msg.innerHTML = PV.STRINGS.installFlashMessage;
this._chartEl.appendChild(msg);
this._chartContainer.appendChild(chl);
chl.appendChild(chw);
chw.appendChild(this._chartLegendEl);
this._chartContainer.appendChild(this._chartEl);
this._bodyEl.insertBefore(this._chartContainer,this._tableEl);
};
/**
* 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.
* @method _createButton
* @private
*/
proto._createButton = function(label, parentEl, position) {
var b = document.createElement("a");
b.innerHTML = b.title = label;
if(parentEl) {
if(!position) {
parentEl.appendChild(b);
} else {
parentEl.insertBefore(b, parentEl.firstChild);
}
}
return b;
};
/**
* Set's console busy state.
* @method _setBusyState
* @private
**/
proto._setBusyState = function(b) {
if(b) {
Dom.addClass(this._busyEl, PV.CLASS_BUSY);
this._busy = true;
} else {
Dom.removeClass(this._busyEl, PV.CLASS_BUSY);
this._busy = false;
}
};
/**
* Generages a sorting function based on current sortedBy
* values.
* @method _createProfilerViewerElement
* @private
**/
proto._genSortFunction = function(key, dir) {
var by = key;
var direction = dir;
return function(a, b) {
if (direction == YAHOO.widget.DataTable.CLASS_ASC) {
return a[by] - b[by];
} else {
return ((a[by] - b[by]) * -1);
}
};
};
/**
* Utility function for array sums.
* @method _arraySum
* @private
**/
var _arraySum = function(arr){
var ct = 0;
for(var i = 0; i < arr.length; ct+=arr[i++]){}
return ct;
};
/**
* 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.
* @method _getProfilerData
* @private
**/
proto._getProfilerData = function() {
YAHOO.log("Profiler data requested from function DataSource.", "info", "ProfilerViewer");
var obj = Profiler.getFullReport();
var arr = [];
var totalTime = 0;
for (name in obj) {
if (YAHOO.lang.hasOwnProperty(obj, name)) {
var r = obj[name];
var o = {};
o.fn = name; //add function name to record
o.points = r.points.slice(); //copy live array
o.calls = r.calls;
o.min = r.min;
o.max = r.max;
o.avg = r.avg;
o.total = _arraySum(o.points);
o.points = r.points;
var f = this.get("filter");
if((!f) || (f(o))) {
arr.push(o);
totalTime += o.total;
}
}
}
//add calculated percentage column
for (var i = 0, j = arr.length; i < j; i++) {
arr[i].pct = (totalTime) ? (arr[i].total * 100) / totalTime : 0;
}
var sortedBy = this.get("sortedBy");
var key = sortedBy.key;
var dir = sortedBy.dir;
arr.sort(this._genSortFunction(key, dir));
YAHOO.log("Returning data from DataSource: " + YAHOO.lang.dump(arr), "info", "ProfilerViewer");
return arr;
};
/**
* Set up the DataTable.
* @method _initDataTable
* @private
*/
proto._initDataTable = function() {
YAHOO.log("Creating DataTable instance...", "info", "ProfilerViewer");
var self = this;
//Set up the JS Function DataSource, pulling data from
//the Profiler.
this._dataSource = new YAHOO.util.DataSource(
function() {
return self._getProfilerData.call(self);
},
{
responseType: YAHOO.util.DataSource.TYPE_JSARRAY,
maxCacheEntries: 0
}
);
var ds = this._dataSource;
ds.responseSchema =
{
fields: [ "fn", "avg", "calls", "max", "min", "total", "pct", "points"]
};
//Set up the DataTable.
var formatTimeValue = function(elCell, oRecord, oColumn, oData) {
var a = (oData === Math.floor(oData)) ? oData : (Math.round(oData*1000))/1000;
elCell.innerHTML = a + " " + PV.STRINGS.millisecondsAbbrev;
};
var formatPercent = function(elCell, oRecord, oColumn, oData) {
var a = (oData === Math.floor(oData)) ? oData : (Math.round(oData*100))/100;
elCell.innerHTML = a + "%";
};
var a = YAHOO.widget.DataTable.CLASS_ASC;
var d = YAHOO.widget.DataTable.CLASS_DESC;
var c = PV.STRINGS.colHeads;
var f = formatTimeValue;
var cols = [
{key:"fn", sortable:true, label: c.fn[0],
sortOptions: {defaultDir:a},
resizeable: (YAHOO.util.DragDrop) ? true : false,
minWidth:c.fn[1]},
{key:"calls", sortable:true, label: c.calls[0],
sortOptions: {defaultDir:d},
width:c.calls[1]},
{key:"avg", sortable:true, label: c.avg[0],
sortOptions: {defaultDir:d},
formatter:f,
width:c.avg[1]},
{key:"min", sortable:true, label: c.min[0],
sortOptions: {defaultDir:a},
formatter:f,
width:c.min[1]},
{key:"max", sortable:true, label: c.max[0],
sortOptions: {defaultDir:d},
formatter:f,
width:c.max[1]},
{key:"total", sortable:true, label: c.total[0],
sortOptions: {defaultDir:d},
formatter:f,
width:c.total[1]},
{key:"pct", sortable:true, label: c.pct[0],
sortOptions: {defaultDir:d},
formatter:formatPercent,
width:c.pct[1]}
];
this._dataTable = new YAHOO.widget.DataTable(this._tableEl, cols, ds, {
scrollable:true,
height:this.get("tableHeight"),
initialRequest:null,
sortedBy: {
key: "total",
dir: YAHOO.widget.DataTable.CLASS_DESC
}
});
var dt = this._dataTable;
//Wire up DataTable events to drive the rest of the UI.
dt.subscribe("sortedByChange", this._sortedByChange, this, true);
dt.subscribe("renderEvent", this._dataTableRenderHandler, this, true);
dt.subscribe("initEvent", this._dataTableRenderHandler, this, true);
Event.on(this._tableEl.getElementsByTagName("th"), "click", this._thClickHandler, this, true);
YAHOO.log("DataTable initialized.", "info", "ProfilerViewer");
};
/**
* Proxy the sort event in DataTable into the ProfilerViewer
* attribute.
* @method _sortedByChange
* @private
**/
proto._sortedByChange = function(o) {
YAHOO.log("Relaying DataTable sortedBy value change; new key: " + o.newValue.key + "; new direction: " + o.newValue.dir + ".", "info", "ProfilerViewer");
this.set("sortedBy", {key: o.newValue.key, dir:o.newValue.dir});
};
/**
* Proxy the render event in DataTable into the ProfilerViewer
* attribute.
* @method _dataTableRenderHandler
* @private
**/
proto._dataTableRenderHandler = function(o) {
YAHOO.log("DataTable's render event has fired.", "info", "ProfilerViewer");
this._setBusyState(false);
};
/**
* Event handler for clicks on the DataTable's sortable column
* heads.
* @method _thClickHandler
* @private
**/
proto._thClickHandler = function(o) {
YAHOO.log("DataTable's header row was clicked for sorting.", "info", "ProfilerViewer");
this._setBusyState(true);
};
/**
* Refresh DataTable, getting new data from Profiler.
* @method _refreshDataTable
* @private
**/
proto._refreshDataTable = function(args) {
YAHOO.log("Beginning to refresh DataTable contents...", "info", "ProfilerViewer");
var dt = this._dataTable;
dt.getDataSource().sendRequest("", dt.onDataReturnInitializeTable, dt);
YAHOO.log("DataTable refresh complete.", "info", "ProfilerViewer");
};
/**
* Refresh chart, getting new data from table.
* @method _refreshChart
* @private
**/
proto._refreshChart = function() {
YAHOO.log("Beginning to refresh Chart contents...", "info", "ProfilerViewer");
switch (this.get("sortedBy").key) {
case "fn":
/*Keep the same data on the chart, but force update to
reflect new sort order on function/method name: */
this._chart.set("dataSource", this._chart.get("dataSource"));
/*no further action necessary; chart redraws*/
return;
case "calls":
/*Null out the xAxis formatting before redrawing chart.*/
this._chart.set("xAxis", this._chartAxisDefinitionPlain);
break;
case "pct":
this._chart.set("xAxis", this._chartAxisDefinitionPercent);
break;
default:
/*Set the default xAxis; redraw legend; set the new series definition.*/
this._chart.set("xAxis", this._chartAxisDefinitionTime);
break;
}
this._drawChartLegend();
this._chart.set("series", this._getSeriesDef(this.get("sortedBy").key));
YAHOO.log("Chart refresh complete.", "info", "ProfilerViewer");
};
/**
* Get data for the Chart from DataTable recordset
* @method _getChartData
* @private
*/
proto._getChartData = function() {
YAHOO.log("Getting data for chart from function DataSource.", "info", "ProfilerViewer");
var records = this._dataTable.getRecordSet().getRecords(0, this.get("maxChartFunctions"));
var arr = [];
for (var i = records.length - 1; i>-1; i--) {
arr.push(records[i].getData());
}
YAHOO.log("Returning data to Chart: " + YAHOO.lang.dump(arr), "info", "ProfilerViewer");
return arr;
};
/**
* Build series definition based on current configuration attributes.
* @method _getSeriesDef
* @private
*/
proto._getSeriesDef = function(field) {
var sd = this.get("chartSeriesDefinitions")[field];
var arr = [];
for(var i = 0, j = sd.group.length; i<j; i++) {
var c = this.get("chartSeriesDefinitions")[sd.group[i]];
arr.push(
{displayName:c.displayName,
xField:c.xField,
style: {color:c.style.color, size:c.style.size}
}
);
}
YAHOO.log("Returning new series definition to chart: " + YAHOO.lang.dump(arr), "info", "ProfilerViewer");
return arr;
};
/**
* Set up the Chart.
* @method _initChart
* @private
*/
proto._initChart = function() {
YAHOO.log("Initializing chart...", "info", "ProfilerViewer");
this._sizeChartCanvas();
YAHOO.widget.Chart.SWFURL = this.get("swfUrl");
var self = this;
//Create DataSource based on records currently displayed
//at the top of the sort list in the DataTable.
var ds = new YAHOO.util.DataSource(
//force the jsfunction DataSource to run in the scope of
//the ProfilerViewer, not in the YAHOO.util.DataSource scope:
function() {
return self._getChartData.call(self);
},
{
responseType: YAHOO.util.DataSource.TYPE_JSARRAY,
maxCacheEntries: 0
}
);
ds.responseSchema =
{
fields: [ "fn", "avg", "calls", "max", "min", "total", "pct" ]
};
ds.subscribe('responseEvent', this._sizeChartCanvas, this, true);
//Set up the chart itself.
this._chartAxisDefinitionTime = new YAHOO.widget.NumericAxis();
this._chartAxisDefinitionTime.labelFunction = "YAHOO.widget.ProfilerViewer.timeAxisLabelFunction";
this._chartAxisDefinitionPercent = new YAHOO.widget.NumericAxis();
this._chartAxisDefinitionPercent.labelFunction = "YAHOO.widget.ProfilerViewer.percentAxisLabelFunction";
this._chartAxisDefinitionPlain = new YAHOO.widget.NumericAxis();
this._chart = new YAHOO.widget.BarChart( this._chartEl, ds,
{
yField: "fn",
series: this._getSeriesDef(this.get("sortedBy").key),
style: this.get("chartStyle"),
xAxis: this._chartAxisDefinitionTime
} );
this._drawChartLegend();
this._chartInitialized = true;
this._dataTable.unsubscribe("initEvent", this._initChart, this);
this._dataTable.subscribe("initEvent", this._refreshChart, this, true);
YAHOO.log("Chart initialization complete.", "info", "ProfilerViewer");
};
/**
* Set up the Chart's legend
* @method _drawChartLegend
* @private
**/
proto._drawChartLegend = function() {
YAHOO.log("Drawing chart legend...", "info", "ProfilerViewer");
var seriesDefs = this.get("chartSeriesDefinitions");
var currentDef = seriesDefs[this.get("sortedBy").key];
var l = this._chartLegendEl;
l.innerHTML = "";
for(var i = 0, j = currentDef.group.length; i<j; i++) {
var c = seriesDefs[currentDef.group[i]];
var dt = document.createElement("dt");
Dom.setStyle(dt, "backgroundColor", "#" + c.style.color);
var dd = document.createElement("dd");
dd.innerHTML = c.displayName;
l.appendChild(dt);
l.appendChild(dd);
}
};
/**
* Resize the chart's canvas if based on number of records
* returned from the chart's datasource.
* @method _sizeChartCanvas
* @private
**/
proto._sizeChartCanvas = function(o) {
YAHOO.log("Resizing chart canvas...", "info", "ProfilerViewer");
var bars = (o) ? o.response.length : this.get("maxChartFunctions");
var s = (bars * 36) + 34;
if (s != parseInt(this._chartElHeight, 10)) {
this._chartElHeight = s;
Dom.setStyle(this._chartEl, "height", s + "px");
}
};
/**
* setAttributeConfigs TabView specific properties.
* @method initAttributes
* @param {Object} attr Hash of initial attributes
* @method initAttributes
* @private
*/
proto.initAttributes = function(attr) {
YAHOO.log("Initializing attributes...", "info", "ProfilerViewer");
YAHOO.widget.ProfilerViewer.superclass.initAttributes.call(this, attr);
/**
* 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.
* @attribute base
* @type string
* @default ""
*/
this.setAttributeConfig('base', {
value: attr.base
});
/**
* The height of the DataTable. The table will scroll
* vertically if the content overflows the specified
* height.
* @attribute tableHeight
* @type string
* @default "15em"
*/
this.setAttributeConfig('tableHeight', {
value: attr.tableHeight || "15em",
method: function(s) {
if(this._dataTable) {
this._dataTable.set("height", s);
}
}
});
/**
* 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.
* @attribute sortedBy
* @type obj
* @default {key:"total", dir:"yui-dt-desc"}
*/
this.setAttributeConfig('sortedBy', {
value: attr.sortedBy || {key:"total", dir:"yui-dt-desc"}
});
/**
* 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: <str function name>,
* calls : <n number of calls>,
* avg : <n average call duration>,
* max: <n duration of longest call>,
* min: <n duration of shortest call>,
* total: <n total time of all calls>
* points : <array time in ms of each call>
* }
*
* 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);
* }
*
* @attribute filter
* @type function
* @default null
*/
this.setAttributeConfig('filter', {
value: attr.filter || null,
validator: YAHOO.lang.isFunction
});
/**
* 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.
* @attribute swfUrl
* @default "http://yui.yahooapis.com/2.5.0/build/charts/assets/charts.swf"
*/
this.setAttributeConfig('swfUrl', {
value: attr.swfUrl || "http://yui.yahooapis.com/2.5.0/build/charts/assets/charts.swf"
});
/**
* 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.
* @attribute maxChartFunctions
* @type int
* @default 6
*/
this.setAttributeConfig('maxChartFunctions', {
value: attr.maxChartFunctions || 6,
method: function(s) {
if(this._rendered) {
this._sizeChartCanvas();
}
},
validator: YAHOO.lang.isNumber
});
/**
* 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.
* @attribute chartStyle
* @type obj
* @default See JS source for default definitions.
*/
this.setAttributeConfig('chartStyle', {
value: attr.chartStyle || {
font:
{
name: "Arial",
color: 0xeeee5c,
size: 12
},
background:
{
color: "6e6e63"
}
},
method: function() {
if(this._rendered && this.get("showChart")) {
this._refreshChart();
}
}
});
/**
* 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.
* @attribute chartSeriesDefinitions
* @type obj
* @default See JS source for full default definitions.
*/
this.setAttributeConfig('chartSeriesDefinitions', {
value: attr.chartSeriesDefinitions || {
total: {
displayName: PV.STRINGS.colHeads.total[0],
xField: "total",
style: {color:"CC3333", size:21},
group: ["total"]
},
calls: {
displayName: PV.STRINGS.colHeads.calls[0],
xField: "calls",
style: {color:"A658BD", size:21},
group: ["calls"]
},
avg: {
displayName: PV.STRINGS.colHeads.avg[0],
xField: "avg",
style: {color:"209daf", size:9},
group: ["avg", "min", "max"]
},
min: {
displayName: PV.STRINGS.colHeads.min[0],
xField: "min",
style: {color:"b6ecf4", size:9},
group: ["avg", "min", "max"]
},
max: {
displayName: PV.STRINGS.colHeads.max[0],
xField: "max",
style: {color:"29c7de", size:9},
group: ["avg", "min", "max"]
},
pct: {
displayName: PV.STRINGS.colHeads.pct[0],
xField: "pct",
style: {color:"bdb327", size:21},
group: ["pct"]
}
},
method: function() {
if(this._rendered && this.get("showChart")) {
this._refreshChart();
}
}
});
/**
* 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.
* @attribute visible
* @type boolean
* @default false
*/
this.setAttributeConfig('visible', {
value: attr.visible || false,
validator: YAHOO.lang.isBoolean,
method: function(b) {
YAHOO.log("visible setting changing to " + b);
if(b) {
this._show();
} else {
if (this._rendered) {
this._hide();
}
}
}
});
/**
* The default visibility setting for the chart.
* @attribute showChart
* @type boolean
* @default true
*/
this.setAttributeConfig('showChart', {
value: attr.showChart || true,
validator: YAHOO.lang.isBoolean,
writeOnce: true
});
YAHOO.widget.ProfilerViewer.superclass.initAttributes.call(this, attr);
YAHOO.log("Attributes initialized.", "info", "ProfilerViewer");
};
})();