egroupware/api/js/etemplate/et2_widget_iframe.js

/**
 * 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 } from "./et2_core_widget";
import { ClassWithAttributes } from "./et2_core_inheritance";
/**
 * @augments et2_valueWidget
 */
export class et2_iframe extends et2_valueWidget {
    /**
     * Constructor
     *
     * @memberOf et2_iframe
     */
    constructor(_parent, _attrs, _child) {
        // Call the inherited constructor
        super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_iframe._attributes, _child || {}));
        this.htmlNode = null;
        // 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_iframe._attributes = {
    '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"
    }
};
et2_register_widget(et2_iframe, ["iframe"]);
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