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OptionsStore

Stores nested settings and notifies an (optional) observer of changes.

import { OptionsStore } from '@progress/kendo-drawing';

const options = new OptionsStore({
  foo: {
    bar: true
  }
});

observer OptionsObserver

An optional observer for the options store. Upon field modification, the optionsChange(e) method on the observer will be called and will provide information for the change.

Constructors

OptionsStore (options?: any)

Parameters

options? any

The initial values of all options.

Methods

get

Gets the value of the specified option.

import { OptionsStore } from '@progress/kendo-drawing';

const options = new OptionsStore({
  foo: {
    bar: true
  }
});

// The bar variable will be set to true by any of these statements:
const bar = options.get("foo.bar");
const bar = options.foo.get("bar");
const bar = options.foo.bar;

Parameters

field string

The field name to retrieve. Has to be a fully qualified name for nested options. For example, "foo.bar".

Returns

any - The current option value.

set

Sets the value of the specified option.

import { OptionsStore } from '@progress/kendo-drawing';

const options = new OptionsStore({
  foo: {
    bar: true
  }
});

// The foo.bar setting will be set to false by any of these statements:
options.set("foo.bar", false);
options.foo.set("bar", false);

// The following statement will succeed,
// but will not trigger optionsChange on the observer, if any.
options.foo.bar = false;

Parameters

field string

The name of the option to set. Has to be a fully qualified name for nested options. For example, "foo.bar".

value any

The new option value. If the new value is the same as the old value, the operation will not notify the observer, if any.