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# PersistentState

# Description

Save the state of column sorting, column positions and column sizes in local storage to preserve table state between page reloads.

In order to enable data storage mechanism, Options#persistentState option must be set to true.

When persistentState is enabled it exposes 3 hooks:

Note: The main reason behind using persistentState hooks rather than regular LocalStorage API is that it ensures separation of data stored by multiple Handsontable instances. In other words, if you have two (or more) instances of Handsontable on one page, data saved by one instance won't be accessible by the second instance. Those two instances can store data under the same key and no data would be overwritten.

Important: In order for the data separation to work properly, make sure that each instance of Handsontable has a unique id.

# Options

# persistentState

Source code (opens new window)

persistentState.persistentState : boolean

The persistentState option configures the PersistentState plugin.

You can set the persistentState to one of the following:

Setting Description
false (default) Disable the PersistentState plugin
true Enable the PersistentState plugin

Read more:

Default: false Example

// enable the `PersistentState` plugin
persistentState: true,

# Methods

# destroy

Source code (opens new window)


Destroys the plugin instance.

# disablePlugin

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Disables the plugin functionality for this Handsontable instance.

# enablePlugin

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Enables the plugin functionality for this Handsontable instance.

# isEnabled

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persistentState.isEnabled() ⇒ boolean

Checks if the plugin is enabled in the handsontable settings. This method is executed in Hooks#beforeInit hook and if it returns true than the PersistentState#enablePlugin method is called.

# loadValue

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persistentState.loadValue(key, saveTo)

Loads the value from local storage.

Param Type Description
key string Storage key.
saveTo object Saved value from local storage.

# resetValue

Source code (opens new window)


Resets the data or all data from local storage.

Param Type Description
key string [optional] Storage key.

# saveValue

Source code (opens new window)

persistentState.saveValue(key, value)

Saves the data to local storage.

Param Type Description
key string Storage key.
value Mixed Value to save.

# updatePlugin

Source code (opens new window)


Updates the plugin state. This method is executed when Core#updateSettings is invoked.

Last Updated: Apr 19, 2024