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egroupware_official/api/js/etemplate/et2_widget_iframe.ts
2021-06-07 17:33:53 +02:00

186 lines
4.3 KiB
TypeScript

/**
* EGroupware eTemplate2 - JS widget class for an iframe
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link https://www.egroupware.org
* @author Nathan Gray
* @copyright Nathan Gray 2013
*/
/*egw:uses
et2_core_valueWidget;
*/
import {et2_valueWidget} from "./et2_core_valueWidget";
import {et2_register_widget, WidgetConfig} from "./et2_core_widget";
import {ClassWithAttributes} from "./et2_core_inheritance";
/**
* @augments et2_valueWidget
*/
export class et2_iframe extends et2_valueWidget
{
static readonly _attributes : any = {
'label': {
'default': "",
description: "The label is displayed by default in front (for radiobuttons behind) each widget (if not empty). If you want to specify a different position, use a '%s' in the label, which gets replaced by the widget itself. Eg. '%s Name' to have the label Name behind a checkbox. The label can contain variables, as descript for name. If the label starts with a '@' it is replaced by the value of the content-array at this index (with the '@'-removed and after expanding the variables).",
ignore: false,
name: "Label",
translate: true,
type: "string"
},
"needed": {
"ignore": true
},
"seamless": {
name: "Seamless",
'default': true,
description: "Specifies that the iframe should be rendered in a manner that makes it appear to be part of the containing document",
translate: false,
type: "boolean"
},
"name": {
name: "Name",
"default": "",
description: "Specifies name of frame, to be used as target for links",
type: "string"
},
fullscreen: {
name: "Fullscreen",
"default": false,
description: "Make the iframe compatible to be a fullscreen video player mode",
type: "boolean"
},
src: {
name: "Source",
"default": "",
description: "Specifies URL for the iframe",
type: "string"
},
allow: {
name: "Allow",
"default": "",
description: "Specifies list of allow features, e.g. camera",
type: "string"
}
};
protected htmlNode : JQuery = null;
/**
* Constructor
*
* @memberOf et2_iframe
*/
constructor(_parent, _attrs? : WidgetConfig, _child? : object)
{
// Call the inherited constructor
super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_iframe._attributes, _child || {}));
// Allow no child widgets
this.supportedWidgetClasses = [];
this.htmlNode = jQuery(document.createElement("iframe"));
if(this.options.label)
{
this.htmlNode.append('<span class="et2_label">'+this.options.label+'</span>');
}
if (this.options.fullscreen)
{
this.htmlNode.attr('allowfullscreen', 1);
}
this.setDOMNode(this.htmlNode[0]);
}
/**
* Set name of iframe (to be used as target for links)
*
* @param _name
*/
set_name(_name)
{
this.options.name = _name;
this.htmlNode.attr('name', _name);
}
set_allow (_allow)
{
this.options.allow = _allow;
this.htmlNode.attr('allow', _allow);
}
/**
* Make it look like part of the containing document
*
* @param _seamless boolean
*/
set_seamless(_seamless)
{
this.options.seamless = _seamless;
this.htmlNode.attr("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);
}
}
/**
* 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.htmlNode.attr("src", _value);
}
else
{
// Load the new page, but display a loader
let loader = jQuery('<div class="et2_iframe loading"/>');
this.htmlNode
.before(loader);
window.setTimeout(jQuery.proxy(function() {
this.htmlNode.attr("src", _value)
.one('load',function() {
loader.remove();
});
},this),0);
}
}
}
/**
* 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.htmlNode.attr("srcdoc", _value);
}
}
et2_register_widget(et2_iframe, ["iframe"]);