egroupware/api/js/etemplate/Et2Iframe/Et2Iframe.ts

166 lines
3.1 KiB
TypeScript

/**
* EGroupware eTemplate2 - Iframe widget (WebComponent)
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link https://www.egroupware.org
* @author Hadi Nategh
*/
import {css, html, LitElement, SlotMixin} from "@lion/core";
import {Et2Widget} from "../Et2Widget/Et2Widget";
export class Et2Iframe extends Et2Widget(SlotMixin(LitElement))
{
static get styles()
{
return [
...super.styles,
css`
:host {
display: flex;
}
:host > iframe {
width: 100%;
height: 100%;
}
/* Custom CSS */
`,
];
}
static get properties()
{
return {
...super.properties,
label: {type: String},
seamless: {type: Boolean},
name: {type: String},
fullscreen: {type: Boolean},
needed: {type: Boolean},
src: {type:String},
allow: {type: String}
}
}
constructor(...args : any[])
{
super(...args);
}
get slots()
{
return {
...super.slots
};
}
connectedCallback()
{
super.connectedCallback();
}
render() {
return html`
<iframe ${this.id ? html`id="${this.id}"` : ''} allowfullscreen="${this.fullscreen}"
seamless="${this.seamless}" name="${this.name}" allow="${this.allow}"></iframe>
<slot>${this.label}</slot>
`;
}
__getIframeNode()
{
return this.shadowRoot.querySelector('iframe');
}
/**
* Set the URL for the iframe
*
* Sets the src attribute to the given value
*
* @param _value String URL
*/
set_src(_value)
{
if(_value.trim() != "")
{
if(_value.trim() == 'about:blank')
{
this.__getIframeNode().src = _value;
}
else
{
// Load the new page, but display a loader
let loader = jQuery('<div class="et2_iframe loading"/>');
this.__getIframeNode().before(loader);
window.setTimeout(function() {
this.__getIframeNode().src = _value;
this.__getIframeNode().addEventListener('load',function() {
loader.remove();
});
}.bind(this),0);
}
}
}
/**
* Set name of iframe (to be used as target for links)
*
* @param _name
*/
set_name(_name)
{
this.options.name = _name;
this.__getIframeNode().attribute('name', _name);
}
set_allow (_allow)
{
this.options.allow = _allow;
this.__getIframeNode().attribute('allow', _allow);
}
/**
* Make it look like part of the containing document
*
* @param _seamless boolean
*/
set_seamless(_seamless)
{
this.options.seamless = _seamless;
this.__getIframeNode().attribute("seamless", _seamless);
}
set_value(_value)
{
if(typeof _value == "undefined") _value = "";
if(_value.trim().indexOf("http") == 0 || _value.indexOf('about:') == 0 || _value[0] == '/')
{
// Value is a URL
this.set_src(_value);
}
else
{
// Value is content
this.set_srcdoc(_value);
}
}
/**
* Sets the content of the iframe
*
* Sets the srcdoc attribute to the given value
*
* @param _value String Content of a document
*/
set_srcdoc(_value)
{
this.__getIframeNode().attribute("srcdoc", _value);
}
}
// @ts-ignore TypeScript is not recognizing that Et2Iframe is a LitElement
customElements.define("et2-iframe", Et2Iframe);