Appearance
@jtopo/core / SelectedGroup
Class: SelectedGroup
当前选中的对象组(由鼠标点击 或者 框选)
js
// 当前被选中的对象集合,有Node、Link
let objects = stage.selectedGroup.objects;
// 判断obj是否在选中组中
stage.selectedGroup.has(obj);
// 判断选中组是否为空
stage.selectedGroup.isEmpty();
Hierarchy
↳
SelectedGroup
Table of contents
Constructors
Properties
Methods
Constructors
constructor
new SelectedGroup()
Overrides
Properties
objects
Readonly
objects: any
[] = []
当前被选中的对象集合,有Node、Link
Methods
add
add(child
): SelectedGroup
Parameters
Name | Type |
---|---|
child | NE |
Returns
addEventListener
addEventListener(type
, callback
): void
增加事件监听
Parameters
Name | Type | Description |
---|---|---|
type | SelectedGroupEventType | 事件类型 |
callback | Function |
Returns
void
Overrides
dispatchEvent
dispatchEvent(event
): void
分发事件
Parameters
Name | Type |
---|---|
event | Event | EventBase |
Returns
void
Inherited from
getTopObjects
getTopObjects(): NE
[]
Returns
NE
[]
hasListener
hasListener(type
): boolean
是否有该类型的监听
Parameters
Name | Type |
---|---|
type | SelectedGroupEventType |
Returns
boolean
Overrides
isEmpty
isEmpty(): boolean
是否为空
Returns
boolean
removeAll
removeAll(): SelectedGroup
Returns
removeEventListener
removeEventListener(type
, callback
): any
移除一个事件监听
Parameters
Name | Type |
---|---|
type | string |
callback | Function |
Returns
any