/
HTMLInputElement.ts
1011 lines (904 loc) · 20.2 KB
/
HTMLInputElement.ts
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import File from '../../file/File';
import HTMLElement from '../html-element/HTMLElement';
import ValidityState from '../validity-state/ValidityState';
import DOMException from '../../exception/DOMException';
import DOMExceptionNameEnum from '../../exception/DOMExceptionNameEnum';
import Event from '../../event/Event';
import HTMLInputElementValueSanitizer from './HTMLInputElementValueSanitizer';
import HTMLInputElementSelectionModeEnum from './HTMLInputElementSelectionModeEnum';
import HTMLInputElementSelectionDirectionEnum from './HTMLInputElementSelectionDirectionEnum';
import IHTMLInputElement from './IHTMLInputElement';
import IHTMLFormElement from '../html-form-element/IHTMLFormElement';
import IHTMLElement from '../html-element/IHTMLElement';
import HTMLInputElementValueStepping from './HTMLInputElementValueStepping';
/**
* HTML Input Element.
*
* Reference:
* https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement.
*
* Used as reference for some of the logic (like selection range):
* https://github.com/jsdom/jsdom/blob/master/lib/jsdom/living/nodes/nodes/HTMLInputElement-impl.js (MIT licensed).
*/
export default class HTMLInputElement extends HTMLElement implements IHTMLInputElement {
// Related to parent form.
public formAction = '';
public formMethod = '';
public formNoValidate = false;
// Any type of input
public _value = null;
public _height = 0;
public _width = 0;
// Type specific: checkbox/radio
public defaultChecked = false;
// Type specific: file
public files: File[] = [];
// Type specific: text/password/search/tel/url/week/month
private _selectionStart: number = null;
private _selectionEnd: number = null;
private _selectionDirection: HTMLInputElementSelectionDirectionEnum =
HTMLInputElementSelectionDirectionEnum.none;
private _validationMessage = '';
/**
* Returns height.
*
* @returns Height.
*/
public get height(): number {
return this._height;
}
/**
* Sets height.
*
* @param height Height.
*/
public set height(height: number) {
this._height = height;
this.setAttributeNS(null, 'height', String(height));
}
/**
* Returns width.
*
* @returns Width.
*/
public get width(): number {
return this._width;
}
/**
* Sets width.
*
* @param width Width.
*/
public set width(width: number) {
this._width = width;
this.setAttributeNS(null, 'width', String(width));
}
/**
* Returns size.
*
* @returns Size.
*/
public get size(): number {
const size = this.getAttributeNS(null, 'size');
if (size !== null) {
return parseInt(size);
}
return 20;
}
/**
* Sets size.
*
* @param size Size.
*/
public set size(size: number) {
this.setAttributeNS(null, 'size', String(size));
}
/**
* Returns minlength.
*
* @returns Min length.
*/
public get minLength(): number {
const minLength = this.getAttributeNS(null, 'minlength');
if (minLength !== null) {
return parseInt(minLength);
}
return -1;
}
/**
* Sets minlength.
*
* @param minLength Min length.
*/
public set minLength(minlength: number) {
this.setAttributeNS(null, 'minlength', String(minlength));
}
/**
* Returns maxlength.
*
* @returns Max length.
*/
public get maxLength(): number {
const maxLength = this.getAttributeNS(null, 'maxlength');
if (maxLength !== null) {
return parseInt(maxLength);
}
return -1;
}
/**
* Sets maxlength.
*
* @param maxlength Max length.
*/
public set maxLength(maxLength: number) {
this.setAttributeNS(null, 'maxlength', String(maxLength));
}
/**
* Returns type.
*
* @returns Type. Defaults to "text".
*/
public get type(): string {
return this.getAttributeNS(null, 'type') || 'text';
}
/**
* Sets type.
*
* @param type Type.
*/
public set type(type: string) {
this.setAttributeNS(null, 'type', type.toLowerCase());
}
/**
* Returns name.
*
* @returns Name.
*/
public get name(): string {
return this.getAttributeNS(null, 'name') || '';
}
/**
* Sets name.
*
* @param name Name.
*/
public set name(name: string) {
this.setAttributeNS(null, 'name', name);
}
/**
* Returns alt.
*
* @returns Alt.
*/
public get alt(): string {
return this.getAttributeNS(null, 'alt') || '';
}
/**
* Sets alt.
*
* @param alt Alt.
*/
public set alt(alt: string) {
this.setAttributeNS(null, 'alt', alt);
}
/**
* Returns min.
*
* @returns Min.
*/
public get min(): string {
return this.getAttributeNS(null, 'min') || '';
}
/**
* Sets min.
*
* @param min Min.
*/
public set min(min: string) {
this.setAttributeNS(null, 'min', min);
}
/**
* Returns max.
*
* @returns Max.
*/
public get max(): string {
return this.getAttributeNS(null, 'max') || '';
}
/**
* Sets max.
*
* @param max Max.
*/
public set max(max: string) {
this.setAttributeNS(null, 'max', max);
}
/**
* Returns pattern.
*
* @returns Pattern.
*/
public get pattern(): string {
return this.getAttributeNS(null, 'pattern') || '';
}
/**
* Sets pattern.
*
* @param pattern Pattern.
*/
public set pattern(pattern: string) {
this.setAttributeNS(null, 'pattern', pattern);
}
/**
* Returns placeholder.
*
* @returns Placeholder.
*/
public get placeholder(): string {
return this.getAttributeNS(null, 'placeholder') || '';
}
/**
* Sets placeholder.
*
* @param placeholder Placeholder.
*/
public set placeholder(placeholder: string) {
this.setAttributeNS(null, 'placeholder', placeholder);
}
/**
* Returns step.
*
* @returns Step.
*/
public get step(): string {
return this.getAttributeNS(null, 'step') || '';
}
/**
* Sets step.
*
* @param step Step.
*/
public set step(step: string) {
this.setAttributeNS(null, 'step', step);
}
/**
* Returns inputmode.
*
* @returns Inputmode.
*/
public get inputmode(): string {
return this.getAttributeNS(null, 'inputmode') || '';
}
/**
* Sets inputmode.
*
* @param inputmode Inputmode.
*/
public set inputmode(inputmode: string) {
this.setAttributeNS(null, 'inputmode', inputmode);
}
/**
* Returns accept.
*
* @returns Accept.
*/
public get accept(): string {
return this.getAttributeNS(null, 'accept') || '';
}
/**
* Sets accept.
*
* @param accept Accept.
*/
public set accept(accept: string) {
this.setAttributeNS(null, 'accept', accept);
}
/**
* Returns allowdirs.
*
* @returns Allowdirs.
*/
public get allowdirs(): string {
return this.getAttributeNS(null, 'allowdirs') || '';
}
/**
* Sets allowdirs.
*
* @param allowdirs Allowdirs.
*/
public set allowdirs(allowdirs: string) {
this.setAttributeNS(null, 'allowdirs', allowdirs);
}
/**
* Returns autocomplete.
*
* @returns Autocomplete.
*/
public get autocomplete(): string {
return this.getAttributeNS(null, 'autocomplete') || '';
}
/**
* Sets autocomplete.
*
* @param autocomplete Autocomplete.
*/
public set autocomplete(autocomplete: string) {
this.setAttributeNS(null, 'autocomplete', autocomplete);
}
/**
* Returns src.
*
* @returns Src.
*/
public get src(): string {
return this.getAttributeNS(null, 'src') || '';
}
/**
* Sets src.
*
* @param src Src.
*/
public set src(src: string) {
this.setAttributeNS(null, 'src', src);
}
/**
* Returns defaultValue.
*
* @returns Defaultvalue.
*/
public get defaultValue(): string {
return this.getAttributeNS(null, 'defaultvalue') || '';
}
/**
* Sets defaultValue.
*
* @param defaultValue Defaultvalue.
*/
public set defaultValue(defaultValue: string) {
this.setAttributeNS(null, 'defaultvalue', defaultValue);
}
/**
* Returns read only.
*
* @returns Read only.
*/
public get readOnly(): boolean {
return this.getAttributeNS(null, 'readonly') !== null;
}
/**
* Sets read only.
*
* @param readOnly Read only.
*/
public set readOnly(readOnly: boolean) {
if (!readOnly) {
this.removeAttributeNS(null, 'readonly');
} else {
this.setAttributeNS(null, 'readonly', '');
}
}
/**
* Returns disabled.
*
* @returns Disabled.
*/
public get disabled(): boolean {
return this.getAttributeNS(null, 'disabled') !== null;
}
/**
* Sets disabled.
*
* @param disabled Disabled.
*/
public set disabled(disabled: boolean) {
if (!disabled) {
this.removeAttributeNS(null, 'disabled');
} else {
this.setAttributeNS(null, 'disabled', '');
}
}
/**
* Returns autofocus.
*
* @returns Autofocus.
*/
public get autofocus(): boolean {
return this.getAttributeNS(null, 'autofocus') !== null;
}
/**
* Sets autofocus.
*
* @param autofocus Autofocus.
*/
public set autofocus(autofocus: boolean) {
if (!autofocus) {
this.removeAttributeNS(null, 'autofocus');
} else {
this.setAttributeNS(null, 'autofocus', '');
}
}
/**
* Returns required.
*
* @returns Required.
*/
public get required(): boolean {
return this.getAttributeNS(null, 'required') !== null;
}
/**
* Sets required.
*
* @param required Required.
*/
public set required(required: boolean) {
if (!required) {
this.removeAttributeNS(null, 'required');
} else {
this.setAttributeNS(null, 'required', '');
}
}
/**
* Returns indeterminate.
*
* @returns Indeterminate.
*/
public get indeterminate(): boolean {
return this.getAttributeNS(null, 'indeterminate') !== null;
}
/**
* Sets indeterminate.
*
* @param indeterminate Indeterminate.
*/
public set indeterminate(indeterminate: boolean) {
if (!indeterminate) {
this.removeAttributeNS(null, 'indeterminate');
} else {
this.setAttributeNS(null, 'indeterminate', '');
}
}
/**
* Returns multiple.
*
* @returns Multiple.
*/
public get multiple(): boolean {
return this.getAttributeNS(null, 'multiple') !== null;
}
/**
* Sets multiple.
*
* @param multiple Multiple.
*/
public set multiple(multiple: boolean) {
if (!multiple) {
this.removeAttributeNS(null, 'multiple');
} else {
this.setAttributeNS(null, 'multiple', '');
}
}
/**
* Returns checked.
*
* @returns Checked.
*/
public get checked(): boolean {
return this.getAttributeNS(null, 'checked') !== null;
}
/**
* Sets checked.
*
* @param checked Checked.
*/
public set checked(checked: boolean) {
if (!checked) {
this.removeAttributeNS(null, 'checked');
} else {
this.setAttributeNS(null, 'checked', '');
}
}
/**
* Returns value.
*
* @returns Value.
*/
public get value(): string {
switch (this.type) {
case 'hidden':
case 'submit':
case 'image':
case 'reset':
case 'button':
return this.getAttributeNS(null, 'value') || '';
case 'checkbox':
case 'radio':
const attritube = this.getAttributeNS(null, 'value');
return attritube !== null ? attritube : 'on';
case 'file':
return this.files.length > 0 ? '/fake/path/' + this.files[0].name : '';
}
if (this._value === null) {
return this.getAttributeNS(null, 'value') || '';
}
return this._value;
}
/**
* Sets value.
*
* @param value Value.
*/
public set value(value: string) {
switch (this.type) {
case 'hidden':
case 'submit':
case 'image':
case 'reset':
case 'button':
case 'checkbox':
case 'radio':
this.setAttributeNS(null, 'value', value);
break;
case 'file':
if (value !== '') {
throw new DOMException(
'Input elements of type "file" may only programmatically set the value to empty string.',
DOMExceptionNameEnum.invalidStateError
);
}
break;
default:
const oldValue = this._value;
this._value = HTMLInputElementValueSanitizer.sanitize(this, value);
if (oldValue !== this._value) {
this._selectionStart = this._value.length;
this._selectionEnd = this._value.length;
this._selectionDirection = HTMLInputElementSelectionDirectionEnum.none;
}
break;
}
}
/**
* Returns selection start.
*
* @returns Selection start.
*/
public get selectionStart(): number {
if (!this._isSelectionSupported()) {
return null;
}
if (this._selectionStart === null) {
return this.value.length;
}
return this._selectionStart;
}
/**
* Sets selection start.
*
* @param start Start.
*/
public set selectionStart(start: number) {
if (!this._isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(start, Math.max(start, this.selectionEnd), this._selectionDirection);
}
/**
* Returns selection end.
*
* @returns Selection end.
*/
public get selectionEnd(): number {
if (!this._isSelectionSupported()) {
return null;
}
if (this._selectionEnd === null) {
return this.value.length;
}
return this._selectionEnd;
}
/**
* Sets selection end.
*
* @param end End.
*/
public set selectionEnd(end: number) {
if (!this._isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(this.selectionStart, end, this._selectionDirection);
}
/**
* Returns selection direction.
*
* @returns Selection direction.
*/
public get selectionDirection(): string {
if (!this._isSelectionSupported()) {
return null;
}
return this._selectionDirection;
}
/**
* Sets selection direction.
*
* @param direction Direction.
*/
public set selectionDirection(direction: string) {
if (!this._isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(this._selectionStart, this._selectionEnd, direction);
}
/**
* Returns the parent form element.
*
* @returns Form.
*/
public get form(): IHTMLFormElement {
let parent = <IHTMLElement>this.parentNode;
while (parent && parent.tagName !== 'FORM') {
parent = <IHTMLElement>parent.parentNode;
}
return <IHTMLFormElement>parent;
}
/**
* Returns validity state.
*
* @returns Validity state.
*/
public get validity(): ValidityState {
return new ValidityState(this);
}
/**
* Returns "true" if it will validate.
*
* @returns "true" if it will validate.
*/
public get willValidate(): boolean {
return (
this.type !== 'hidden' &&
this.type !== 'reset' &&
this.type !== 'button' &&
!this.disabled &&
!this['readOnly']
);
}
/**
* Returns value as Date.
*
* @returns Date.
*/
public get valueAsDate(): Date {
return this.value ? new Date(this.value) : null;
}
/**
* Returns value as number.
*
* @returns Number.
*/
public get valueAsNumber(): number {
return this.value ? parseFloat(this.value) : NaN;
}
/**
* Returns validation message.
*
* @returns Validation message.
*/
public get validationMessage(): string {
return this._validationMessage;
}
/**
* Sets validation message.
*
* @param message Message.
*/
public setCustomValidity(message: string): void {
this._validationMessage = String(message);
}
/**
* Reports validity by dispatching an "invalid" event.
*/
public reportValidity(): void {
if (this._validationMessage) {
this.dispatchEvent(
new Event('invalid', {
bubbles: true,
cancelable: true
})
);
}
}
/**
* Selects the text.
*/
public select(): void {
if (!this._isSelectionSupported()) {
return null;
}
this._selectionStart = 0;
this._selectionEnd = this.value.length;
this._selectionDirection = HTMLInputElementSelectionDirectionEnum.none;
this.dispatchEvent(new Event('select', { bubbles: true, cancelable: true }));
}
/**
* Set selection range.
*
* @param start Start.
* @param end End.
* @param [direction="none"] Direction.
*/
public setSelectionRange(start: number, end: number, direction = 'none'): void {
if (!this._isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this._selectionEnd = Math.min(end, this.value.length);
this._selectionStart = Math.min(start, this._selectionEnd);
this._selectionDirection =
direction === HTMLInputElementSelectionDirectionEnum.forward ||
direction === HTMLInputElementSelectionDirectionEnum.backward
? direction
: HTMLInputElementSelectionDirectionEnum.none;
this.dispatchEvent(new Event('select', { bubbles: true, cancelable: true }));
}
/**
* Set range text.
*
* @param replacement Replacement.
* @param [start] Start.
* @param [end] End.
* @param [direction] Direction.
* @param selectionMode
*/
public setRangeText(
replacement: string,
start: number = null,
end: number = null,
selectionMode = HTMLInputElementSelectionModeEnum.preserve
): void {
if (!this._isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
if (start === null) {
start = this._selectionStart;
}
if (end === null) {
end = this._selectionEnd;
}
if (start > end) {
throw new DOMException(
'The index is not in the allowed range.',
DOMExceptionNameEnum.invalidStateError
);
}
start = Math.min(start, this.value.length);
end = Math.min(end, this.value.length);
const val = this.value;
let selectionStart = this._selectionStart;
let selectionEnd = this._selectionEnd;
this.value = val.slice(0, start) + replacement + val.slice(end);
const newEnd = start + this.value.length;
switch (selectionMode) {
case HTMLInputElementSelectionModeEnum.select:
this.setSelectionRange(start, newEnd);
break;
case HTMLInputElementSelectionModeEnum.start:
this.setSelectionRange(start, start);
break;
case HTMLInputElementSelectionModeEnum.end:
this.setSelectionRange(newEnd, newEnd);
break;
default:
const delta = replacement.length - (end - start);
if (selectionStart > end) {
selectionStart += delta;
} else if (selectionStart > start) {
selectionStart = start;
}
if (selectionEnd > end) {
selectionEnd += delta;
} else if (selectionEnd > start) {
selectionEnd = newEnd;
}
this.setSelectionRange(selectionStart, selectionEnd);
break;
}
}
/**
* Checks validity.
*
* @returns "true" if the field is valid.
*/
public checkValidity(): boolean {
return true;
}
/**
* Steps up.
*
* @param [increment] Increment.
*/
public stepUp(increment?: number): void {
const newValue = HTMLInputElementValueStepping.step(this.type, this.value, 1, increment);
if (newValue !== null) {
this.value = newValue;
}
}
/**
* Steps down.
*
* @param [increment] Increment.
*/
public stepDown(increment?: number): void {
const newValue = HTMLInputElementValueStepping.step(this.type, this.value, -1, increment);
if (newValue !== null) {
this.value = newValue;
}
}
/**
* Clones a node.
*
* @override
* @param [deep=false] "true" to clone deep.
* @returns Cloned node.
*/
public cloneNode(deep = false): IHTMLInputElement {
const clone = <HTMLInputElement>super.cloneNode(deep);
clone.formAction = this.formAction;
clone.formMethod = this.formMethod;
clone.formNoValidate = this.formNoValidate;
clone._value = this._value;
clone._height = this._height;
clone._width = this._width;
clone.defaultChecked = this.defaultChecked;
clone.files = this.files.slice();
clone._selectionStart = this._selectionStart;
clone._selectionEnd = this._selectionEnd;
clone._selectionDirection = this._selectionDirection;
return clone;
}
/**
* Checks if private value is supported.
*
* @returns "true" if private value is supported.
*/
// Private _isPrivateValueSupported(): boolean {
// Return (
// This.type !== 'hidden' &&
// This.type !== 'submit' &&
// This.type !== 'image' &&
// This.type !== 'reset' &&
// This.type !== 'button' &&
// This.type !== 'checkbox' &&
// This.type !== 'radio' &&
// This.type !== 'file'
// );
// }
/**
* Checks is selection is supported.
*
* @returns "true" if selection is supported.