NativeScript/nativescript-core/ui/editable-text-base/editable-text-base-common.ts

import {
	EditableTextBase as EditableTextBaseDefinition,
	KeyboardType,
	ReturnKeyType,
	UpdateTextTrigger,
	AutocapitalizationType,
} from ".";
import { TextBase } from "../text-base";
import {
	Property,
	CssProperty,
	makeValidator,
	makeParser,
} from "../core/properties";
import { PseudoClassHandler } from "../core/view";
import { booleanConverter } from "../core/view-base";
import { Style } from "../styling/style";
import { Color } from "../../color";

export abstract class EditableTextBase extends TextBase
	implements EditableTextBaseDefinition {
	public static blurEvent = "blur";
	public static focusEvent = "focus";
	public static textChangeEvent = "textChange";

	public keyboardType: KeyboardType;
	public returnKeyType: ReturnKeyType;
	public updateTextTrigger: UpdateTextTrigger;
	public autocapitalizationType: AutocapitalizationType;
	public editable: boolean;
	public autocorrect: boolean;
	public hint: string;
	public maxLength: number;

	public abstract dismissSoftInput();
	public abstract _setInputType(inputType: number): void;

	private _focusHandler = () => this._goToVisualState("focus");
	private _blurHandler = () => this._goToVisualState("blur");

	@PseudoClassHandler("focus", "blur")
	_updateTextBaseFocusStateHandler(subscribe) {
		const method = subscribe ? "on" : "off";

		this[method]("focus", this._focusHandler);
		this[method]("blur", this._blurHandler);
	}
}

// TODO: Why not name it - hintColor property??
// TODO: Or rename hintProperty to 'placeholder' and make it CSSProperty??
// https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-placeholder
export const placeholderColorProperty = new CssProperty<Style, Color>({
	name: "placeholderColor",
	cssName: "placeholder-color",
	equalityComparer: Color.equals,
	valueConverter: (v) => new Color(v),
});
placeholderColorProperty.register(Style);

const keyboardTypeConverter = makeParser<KeyboardType>(
	makeValidator<KeyboardType>(
		"datetime",
		"phone",
		"number",
		"url",
		"email",
		"integer"
	)
);

export const keyboardTypeProperty = new Property<
	EditableTextBase,
	KeyboardType
>({ name: "keyboardType", valueConverter: keyboardTypeConverter });
keyboardTypeProperty.register(EditableTextBase);

const returnKeyTypeConverter = makeParser<ReturnKeyType>(
	makeValidator<ReturnKeyType>("done", "next", "go", "search", "send")
);

export const returnKeyTypeProperty = new Property<
	EditableTextBase,
	ReturnKeyType
>({ name: "returnKeyType", valueConverter: returnKeyTypeConverter });
returnKeyTypeProperty.register(EditableTextBase);

export const editableProperty = new Property<EditableTextBase, boolean>({
	name: "editable",
	defaultValue: true,
	valueConverter: booleanConverter,
});
editableProperty.register(EditableTextBase);

export const updateTextTriggerProperty = new Property<
	EditableTextBase,
	UpdateTextTrigger
>({ name: "updateTextTrigger", defaultValue: "textChanged" });
updateTextTriggerProperty.register(EditableTextBase);

const autocapitalizationTypeConverter = makeParser<AutocapitalizationType>(
	makeValidator<AutocapitalizationType>(
		"none",
		"words",
		"sentences",
		"allcharacters"
	)
);

export const autocapitalizationTypeProperty = new Property<
	EditableTextBase,
	AutocapitalizationType
>({
	name: "autocapitalizationType",
	defaultValue: "sentences",
	valueConverter: autocapitalizationTypeConverter,
});
autocapitalizationTypeProperty.register(EditableTextBase);

export const autocorrectProperty = new Property<EditableTextBase, boolean>({
	name: "autocorrect",
	valueConverter: booleanConverter,
});
autocorrectProperty.register(EditableTextBase);

export const hintProperty = new Property<EditableTextBase, string>({
	name: "hint",
	defaultValue: "",
});
hintProperty.register(EditableTextBase);

export const maxLengthProperty = new Property<EditableTextBase, number>({
	name: "maxLength",
	defaultValue: Number.POSITIVE_INFINITY,
	valueConverter: parseInt,
});
maxLengthProperty.register(EditableTextBase);