Class: HierarchyPainter

// create hierarchy painter in "myTreeDiv"
let h = new JSROOT.HierarchyPainter("example", "myTreeDiv");
// configure 'simple' layout in "myMainDiv"
// one also can specify "grid2x2" or "flex" or "tabs"
h.setDisplay("simple", "myMainDiv");
// open file and display element
h.openRootFile("https://root.cern/js/files/hsimple.root").then(() => h.display("hpxpy;1","colz"));

Methods

applyStyle(style)

JSRoot.hierarchy.js, line 1861

Apply loaded TStyle object

One also can specify item name of JSON file name where style is loaded

Name	Type	Description
style	object | string	either TStyle object of item name where object can be load

cleanup()

JSRoot.hierarchy.js, line 776

Cleanup hierarchy painter

clear drawing and browser

createStatusLine(height, mode){Promise}

JSRoot.hierarchy.js, line 2628

Create status line

Name	Type	Description
height	number	optional size of the status line
mode		optional false / true / "toggle"

Returns:

Type	Description
Promise	when ready

display(itemname, drawopt){Promise}

JSRoot.hierarchy.js, line 1180

Display specified item

Name	Type	Description
itemname	string	item name
drawopt	string	optional draw option for the item

Returns:

Type	Description
Promise	with created painter object

enableMonitoring(on)

JSRoot.hierarchy.js, line 2190

Enable/disable monitoring

Name	Type	Description
on	boolean	if monitoring enabled

executeCommand(itemname, elem, arg1, arg2){Promise}

JSRoot.hierarchy.js, line 1016

Executes item marked as 'Command'

If command requires additional arguments, they could be specified as extra arguments arg1, arg2, ...

Name	Type	Description
itemname	String	name of command item
elem	Object	optional HTML element for command execution
arg1		optional first optional argument
arg2		optional second optional argument and so on

Returns:

Type	Description
Promise	with command result

expandItem(itemname){Promise}

JSRoot.hierarchy.js, line 1661

expand specified item

Name	Type	Description
itemname	String	item name

Returns:

Type	Description
Promise	when ready

getDisplay()

JSRoot.hierarchy.js, line 2265

Returns actual MDI display object

It should an instance of JSROOT.MDIDsiplay class

getLayout()

JSRoot.hierarchy.js, line 2219

Returns configured layout

getMonitoringInterval()

JSRoot.hierarchy.js, line 2184

Returns configured monitoring interval in ms

isItemDisplayed(itemname)

JSRoot.hierarchy.js, line 1171

Returns true if given item displayed

Name	Type	Description
itemname	string	item name

isMonitoring()

JSRoot.hierarchy.js, line 2195

Returns true when monitoring is enabled

openJsonFile(filepath){Promise}

JSRoot.hierarchy.js, line 1781

Open JSON file

Name	Type	Description
filepath	string	URL to JSON file

Returns:

Type	Description
Promise	when object ready

openOnline(server_address){Promise}

JSRoot.hierarchy.js, line 2003

Access THttpServer with provided address

Name	Type	Description
server_address	string	URL to server like "http://localhost:8090/"

Returns:

Type	Description
Promise	when ready

openRootFile(filepath){Promise}

JSRoot.hierarchy.js, line 1826

Open ROOT file

Name	Type	Description
filepath	string	URL to ROOT file

Returns:

Type	Description
Promise	when file is opened

player(itemname, option){Promise}

JSRoot.hierarchy.js, line 1141

Starts player for specified item

Same as "Player" context menu

Name	Type	Description
itemname	string	item name for which player should be started
option	string	optional extra options for the player

Returns:

Type	Description
Promise	when ready

reload(){Promise}

JSRoot.hierarchy.js, line 1554

Reload hierarchy and refresh html code

Returns:

Type	Description
Promise	when completed

setDisplay(layout, frameid)

JSRoot.hierarchy.js, line 2202

Assign default layout and place where drawing will be performed

Name	Type	Description
layout	string	layout like "simple" or "grid2x2"
frameid	string	DOM element id where object drawing will be performed

setMonitoring(interval, flag)

JSRoot.hierarchy.js, line 2132

Configures monitoring interval

Name	Type	Description
interval	number	repetition interval in ms
flag	boolean	initial monitoring state

updateItems(arg){Promise}

JSRoot.hierarchy.js, line 1335

Update specified items

Method can be used to fetch new objects and update all existing drawings

Name	Type	Description
arg	string | array | boolean	either item name or array of items names to update or true if only automatic items will be updated

Returns:

Type	Description
Promise	when ready