Constructor
new DragDrop(params)
Parameters:
Name | Type | Description |
---|---|---|
params |
Help4.control2.DragDropParams |
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Extends
Methods
(protected) ____defineStaticProperties()
auto define all to be cleaned properties
- Overrides:
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Throws:
Error
(protected) ____getClassConfig() → {Help4.jscore.Base.Params}
- Overrides:
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Returns:
(protected) ____mergeDerivedParam(level0, type, value)
Parameters:
Name | Type | Description |
---|---|---|
level0 |
Help4.jscore.Base.Params | |
type |
string | |
value |
* |
- Overrides:
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Throws:
Error
(protected) ____mergeDerivedParams(level0, level1)
Parameters:
Name | Type | Description |
---|---|---|
level0 |
Help4.jscore.Base.Params | |
level1 |
Help4.jscore.Base.Params |
- Overrides:
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Throws:
Error
(protected) ____resolveDerivedParams(classConfig)
Parameters:
Name | Type | Description |
---|---|---|
classConfig |
Help4.jscore.Base.Params |
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(protected) _destroyControl(…keys)
destroys class properties
Parameters:
Name | Type | Attributes | Description |
---|---|---|---|
keys |
string |
<repeatable> |
- Overrides:
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(protected) _fireEvent(event) → {Help4.jscore.Base}
fires an event that can be observed from outside
Parameters:
Name | Type | Description |
---|---|---|
event |
Object | the event to be fired |
- Overrides:
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Returns:
- Type
- Help4.jscore.Base
(async, protected) _fireEvent2(event) → {Promise.<Array.<Help4.EmbeddedEvent.EventResponse>>}
fires an event that can be observed from outside
Parameters:
Name | Type | Description |
---|---|---|
event |
Object | the event to be fired |
- Overrides:
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Returns:
- Type
- Promise.<Array.<Help4.EmbeddedEvent.EventResponse>>
(protected) _fireEventSync(event) → {Array.<Help4.EmbeddedEvent.EventResponse>}
fires an event that can be observed from outside
Parameters:
Name | Type | Description |
---|---|---|
event |
Object | the event to be fired |
- Overrides:
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Returns:
- Type
- Array.<Help4.EmbeddedEvent.EventResponse>
addListener(eventType, listener) → {Help4.jscore.Base}
add an event listener
Parameters:
Name | Type | Description |
---|---|---|
eventType |
string | Array.<string> | event type to be observed |
listener |
Help4.EmbeddedEvent.Listener | the callback function |
- Overrides:
- Source:
Returns:
- Type
- Help4.jscore.Base
addListenerSync(eventType, listener) → {Help4.jscore.Base}
add an event listener
Parameters:
Name | Type | Description |
---|---|---|
eventType |
string | Array.<string> | event type to be observed |
listener |
Help4.EmbeddedEvent.Listener | the callback function |
- Overrides:
- Source:
Returns:
- Type
- Help4.jscore.Base
destroy()
destroys the control
- Overrides:
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isDestroyed() → {boolean}
whether instance is destroyed
- Overrides:
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Returns:
- Type
- boolean
removeListener(eventType, listener) → {Help4.jscore.Base}
remove an event listener
Parameters:
Name | Type | Description |
---|---|---|
eventType |
string | Array.<string> | |
listener |
Help4.EmbeddedEvent.Listener |
- Overrides:
- Source:
Returns:
- Type
- Help4.jscore.Base