new Variable(name, value, callback)
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | The variable name. |
value |
T | It's initial value. |
callback |
function | Function to call when value is changed. |
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Methods
getName() → {string}
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Returns:
The name of the variable.
- Type
- string
getValue() → {T}
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Returns:
The value of the variable.
- Type
- T
register(item)
Registers a new item that has this variable.
Parameters:
| Name | Type | Description |
|---|---|---|
item |
VariableItem | The new variable item. |
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registerCallback(func)
Registers a callback function with all items associated to this variable.
Parameters:
| Name | Type | Description |
|---|---|---|
func |
function | Callback that does not take any arguments. |
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setValue(value)
Sets new variable value. If different from old one it will execute the
callback.
Parameters:
| Name | Type | Description |
|---|---|---|
value |
T | New value of the variable. |
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unregister(item)
Unregisters an item for this variable.
Parameters:
| Name | Type | Description |
|---|---|---|
item |
VariableItem | The old variable item. |
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unregisterCallback(func)
Removes a callback function from all items associated to this variable.
Parameters:
| Name | Type | Description |
|---|---|---|
func |
function | Callback that does not take any arguments. |
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update()
Updates the items belonging to the variable.
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