Class blade.core.Registry

Object
   |
   +--blade.core.Registry

class blade.core.Registry

Helper class that holds information about components' sub-elements. For example, ETables use a Registry to keep track of the parent-child relationship between rows.

Defined in common.js

Constructor Detail

blade.core.Registry

function blade.core.Registry()

applyToAll

function applyToAll(id, fn)

Applies a function to all members of a group

Parameters:
fn - function to apply
group - 's id

del

function del(id)

Deletes an entry from the registry

Parameters:
id - entry's id

exp

function exp(id)

Exports an entry

Parameters:
id - entry's id

Returns:
an Array holding the entry in the form of (id, parent_id, groupFlag, attribute_array)

getAttribute

function getAttribute(id, attrName)

Gets the specified attribute for an entry

Parameters:
id - entry's id
attrName - attribute's name

Returns:
attribute's value

getChildren

function getChildren(id)

Gets the children of the element specified by id

Parameters:
id - entry's id

Returns:
an array of child IDs

getIdList

function getIdList()

Gets a list of all IDs in the registry

Returns:
an array of IDs

getSiblings

function getSiblings(id)

Gets the siblings of the element specified by id

Parameters:
id - entry's id

Returns:
an array of sibling IDs

hide

function hide(id)

Applies hide() to the registry entry (including all sub-entries if the entry is a group)

Parameters:
id - entry's id

imp

function imp(row)

Imports an entry

Parameters:
row - an Array holding the entry in the form of (id, parent_id, groupFlag, attribute_array)

insert

function insert(id)

Applies insert() to the registry entry (including all sub-entries if the entry is a group)

Parameters:
id - entry's id

register

function register(id, parent)

Adds a new entry to the registry

Parameters:
id - id to add
parent - id of the entry's parent element

remove

function remove(id)

Applies remove() to the registry entry (including all sub-entries if the entry is a group)

Parameters:
id - entry's id

setAttribute

function setAttribute(id, attrName, attrValue)

Sets the specified attribute for an entry

Parameters:
id - entry's id
attrName - attribute's name
attrValue - attribute's value

setGroupFlag

function setGroupFlag(id, bool)

Sets the group flag for an already registered item. Groups don't really exist, they're dummy IDs. For example, we might want to make a number of sprites on the page part of a group. Then using registry.show() and registry.hide() on the group ID, we can show and hide them all at once.

Parameters:
id - entry's id
bool - a boolean value for the group flag

show

function show(id)

Applies show() to the registry entry (including all sub-entries if the entry is a group)

Parameters:
id - entry's id