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* Copyright 2019 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
import {BaseComponent} from '../../../coral-base-component';
import {BaseFormField} from '../../../coral-base-formfield';
import '../../../coral-component-textfield';
import '../../../coral-component-button';
import {Icon} from '../../../coral-component-icon';
import base from '../templates/base';
import {transform, validate, commons, i18n} from '../../../coral-utils';
import {Decorator} from '../../../coral-decorator';
const CLASSNAME = '_coral-Search';
/**
Enumeration for {@link Search} variants.
@typedef {Object} SearchVariantEnum
@property {String} DEFAULT
A default, gray search input.
@property {String} QUIET
A search with no border, no background, no glow.
*/
const variant = {
DEFAULT: 'default',
QUIET: 'quiet'
};
/**
@class Coral.Search
@classdesc A Search component is a search styled form field.
@htmltag coral-search
@extends {HTMLElement}
@extends {BaseComponent}
@extends {BaseFormField}
*/
const Search = Decorator(class extends BaseFormField(BaseComponent(HTMLElement)) {
/** @ignore */
constructor() {
super();
this._delegateEvents(commons.extend(this._events, {
// @todo use Coral.keys when key combos don't interfere with single key execution
'keydown [handle=input]': '_onEnterKey',
'keyup [handle=input]': '_onKeyUp',
// @todo use coralinternalinput from Autocomplete
'input [handle=input]': '_triggerInputEvent',
'key:escape [handle=input]': '_clearInput',
'click [handle=clearButton]:not(:disabled)': '_clearInput'
}));
// Prepare templates
this._elements = {};
base.call(this._elements, {i18n, Icon});
// Pre-define labellable element
this._labellableElement = this._elements.input;
}
/**
Name used to submit the data in a form.
@type {String}
@default ""
@htmlattribute name
@htmlattributereflected
*/
get name() {
return this._elements.input.name;
}
set name(value) {
this._reflectAttribute('name', value);
this._elements.input.name = value;
}
/**
The submitted input value. Changing this value will not trigger an event.
@type {String}
@default ""
@htmlattribute value
*/
get value() {
return this._elements.input.value || '';
}
set value(value) {
this._elements.input.value = value;
this._updateClearButton();
}
/**
Whether this field is disabled or not.
@type {Boolean}
@default false
@htmlattribute disabled
@htmlattributereflected
*/
get disabled() {
return this._disabled || false;
}
set disabled(value) {
this._disabled = transform.booleanAttr(value);
this._reflectAttribute('disabled', this._disabled);
this[this._disabled ? 'setAttribute' : 'removeAttribute']('aria-disabled', this._disabled);
this.classList.toggle('is-disabled', this._disabled);
this._elements.input.disabled = this._disabled;
this._elements.clearButton.disabled = this._disabled;
}
/**
Whether this field is required or not.
@type {Boolean}
@default false
@htmlattribute required
@htmlattributereflected
*/
get required() {
return this._required || false;
}
set required(value) {
this._required = transform.booleanAttr(value);
this._reflectAttribute('required', this._required);
this._elements.input.required = this._required;
}
/**
Whether this field is readOnly or not. Indicating that the user cannot modify the value of the control.
@type {Boolean}
@default false
@htmlattribute readonly
@htmlattributereflected
*/
get readOnly() {
return this._readOnly || false;
}
set readOnly(value) {
this._readOnly = transform.booleanAttr(value);
this._reflectAttribute('readonly', this._readOnly);
this._elements.input.readOnly = this._readOnly;
this._elements.clearButton.disabled = this._readOnly;
}
/**
Inherited from {@link BaseFormField#labelledBy}.
*/
get labelledBy() {
return super.labelledBy;
}
set labelledBy(value) {
super.labelledBy = value;
// in case the user focuses the buttons, he will still get a notion of the usage of the component
this[this.labelledBy ? 'setAttribute' : 'removeAttribute']('aria-labelledby', this.labelledBy);
}
/**
Short hint that describes the expected value of the Search. It is displayed when the Search is empty.
@type {String}
@default ""
@htmlattribute placeholder
@htmlattributereflected
*/
get placeholder() {
return this._elements.input.placeholder || '';
}
set placeholder(value) {
value = transform.string(value);
this._reflectAttribute('placeholder', value);
this._elements.input.placeholder = value;
}
/**
Max length for the Input field.
@type {Number}
@htmlattribute maxlength
@htmlattributereflected
*/
get maxLength() {
return this._elements.input.maxLength;
}
set maxLength(value) {
this._elements.input.maxLength = value;
this._reflectAttribute('maxlength', this.maxLength);
}
/**
The search's variant. See {@link SearchVariantEnum}.
@type {String}
@default SearchVariantEnum.DEFAULT
@htmlattribute variant
@htmlattributereflected
*/
get variant() {
return this._variant || variant.DEFAULT;
}
set variant(value) {
value = transform.string(value).toLowerCase();
this._variant = validate.enumeration(variant)(value) && value || variant.DEFAULT;
this._reflectAttribute('variant', this._variant);
this._elements.input.variant = value;
}
/**
@ignore
Not supported anymore.
*/
get icon() {
return this._icon || 'search';
}
set icon(value) {
this._icon = transform.string(value);
this._reflectAttribute('icon', this._icon);
}
/**
Inherited from {@link BaseFormField#invalid}.
*/
get invalid() {
return super.invalid;
}
set invalid(value) {
super.invalid = value;
}
/** @ignore */
_triggerInputEvent() {
this.trigger('coral-search:input');
}
/**
Handles the up action by steping up the Search. It prevents the default action.
@ignore
*/
_onEnterKey(event) {
if (event.which === 13) {
event.preventDefault();
// stops interaction if the search is disabled
if (this.disabled) {
return;
}
this.trigger('coral-search:submit');
}
}
/**
Handles the keydown action.
@ignore
*/
_onKeyUp() {
this._updateClearButton();
}
/**
Updates the clear button's display status.
@ignore
*/
_updateClearButton() {
this._elements.clearButton.style.display = this._elements.input.value === '' ? 'none' : '';
}
/**
Clears the text in the input box.
@ignore
*/
_clearInput() {
this._elements.input.value = '';
this._updateClearButton();
this._elements.input.focus();
// If we've been cleared, trigger the event
this.trigger('coral-search:clear');
}
// overrides the behavior from BaseFormField
reset() {
// since there is an internal value, this one handles the reset
this._elements.input.reset();
this._updateClearButton();
}
// overrides the behavior from BaseFormField
clear() {
// since there is an internal value, this one handles the clear
this._elements.input.clear();
this._updateClearButton();
}
/**
Returns {@link Search} variants.
@return {SearchVariantEnum}
*/
static get variant() {
return variant;
}
static get _attributePropertyMap() {
return commons.extend(super._attributePropertyMap, {
maxlength: 'maxLength'
});
}
/** @ignore */
static get observedAttributes() {
return super.observedAttributes.concat(['placeholder', 'icon', 'variant', 'maxlength']);
}
/** @ignore */
render() {
super.render();
this.classList.add(CLASSNAME);
// Default reflected attributes
if (!this._icon) {
this.icon = 'search';
}
if (!this._variant) {
this.variant = variant.DEFAULT;
}
// Support cloneNode
const templates = this.querySelectorAll('._coral-Search-input, ._coral-Search-icon, ._coral-Search-clear');
for (let i = 0 ; i < templates.length ; i++) {
templates[i].remove();
}
// Create a fragment
const fragment = document.createDocumentFragment();
// Render the main template
fragment.appendChild(this._elements.input);
fragment.appendChild(this._elements.clearButton);
// Add the frag to the component
this.appendChild(fragment);
// Insert search icon
this._elements.input.insertAdjacentHTML('afterend', Icon._renderSVG('spectrum-css-icon-Magnifier', ['_coral-Search-icon', '_coral-UIIcon-Magnifier']));
this._updateClearButton();
}
/**
Triggered when {@link Search} input is given.
@typedef {CustomEvent} coral-search:input
*/
/**
Triggered when the user presses {@link Search} enter.
@typedef {CustomEvent} coral-search:submit
*/
/**
Triggered when the {@link Search} is cleared.
@typedef {CustomEvent} coral-search:clear
*/
});
export default Search;
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