coral-spectrum/coral-component-card/src/scripts/CardProperty.js
/**
* 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 {commons} from '../../../coral-utils';
import '../../../coral-component-icon';
import icon from '../templates/icon';
import {Decorator} from '../../../coral-decorator';
const CLASSNAME = '_coral-Card-property';
/**
@class Coral.Card.Property
@classdesc A Card property component
@htmltag coral-card-property
@extends {HTMLElement}
@extends {BaseComponent}
*/
const CardProperty = Decorator(class extends BaseComponent(HTMLElement) {
/** @ignore */
constructor() {
super();
// Prepare templates
this._elements = {
content: this.querySelector('coral-card-property-content') || document.createElement('coral-card-property-content')
};
icon.call(this._elements);
}
/**
The property's content zone
@type {CardPropertyContent}
@contentzone
*/
get content() {
return this._getContentZone(this._elements.content);
}
set content(value) {
this._setContentZone('content', value, {
handle: 'content',
tagName: 'coral-card-property-content',
insert: function (content) {
this.appendChild(content);
}
});
}
/**
Specifies the icon name used inside the property. See {@link Icon} for valid icon names.
@type {String}
@default ""
@htmlattribute icon
*/
get icon() {
return this._elements.icon.icon;
}
set icon(value) {
this._elements.icon.icon = value;
// removes the icon element from the DOM since there is no valid icon. this causes the content to have the
// correct styling
if (this.icon === '') {
this._elements.icon.remove();
} else if (!this._elements.icon.parentNode) {
this.insertBefore(this._elements.icon, this.firstChild);
}
}
/**
Specifies the alternative text to be used for the icon.
@type {String}
@default ""
@htmlattribute iconalt
*/
get iconAlt() {
return this._elements.icon ? this._elements.icon.getAttribute('alt') : undefined;
}
set iconAlt(value) {
this._elements.icon && this._elements.icon.setAttribute('alt', value);
}
/**
Specifies the title attribute to be used for the icon.
@type {String}
@default ""
@htmlattribute icontitle
*/
get iconTitle() {
return this._elements.icon ? this._elements.icon.getAttribute('title') : undefined;
}
set iconTitle(value) {
this._elements.icon && this._elements.icon.setAttribute('title', value);
}
get _contentZones() {
return {'coral-card-property-content': 'content'};
}
static get _attributePropertyMap() {
return commons.extend(super._attributePropertyMap, {
iconalt: 'iconAlt',
icontitle: 'iconTitle',
});
}
/** @ignore */
static get observedAttributes() {
return super.observedAttributes.concat(['icon', 'iconalt', 'icontitle']);
}
/** @ignore */
render() {
super.render();
this.classList.add(CLASSNAME, 'coral-Body--small');
// Create a fragment
const frag = document.createDocumentFragment();
// Render the main template
if (this.icon) {
frag.appendChild(this._elements.icon);
}
const content = this._elements.content;
// Remove it so we can process children
if (content.parentNode) {
content.parentNode.removeChild(content);
}
while (this.firstChild) {
const child = this.firstChild;
if (child.nodeType === Node.TEXT_NODE ||
child.nodeType === Node.ELEMENT_NODE && child.getAttribute('handle') !== 'icon') {
// Add non-template elements to the label
content.appendChild(child);
} else {
this.removeChild(child);
}
}
// Add the frag to the component
this.appendChild(frag);
// Assign the content zones, moving them into place in the process
this.content = content;
}
});
export default CardProperty;