Source: dashboard.js

/**
 * Dashboard for Portal Application
 * <BR><BR><img src=../images/dashboard.png width=60%>
 * <BR><BR><a href="../html/dashboard.html">DEMO</a>
 */
class Dashboard extends HTMLElement {
    constructor() {
        console.group("Dashboard.constructor")
	
        super();

        console.groupEnd();
    };
    
    /**
     * Set observable values here. When Changed, attributeChangedCallback is invoked
     * @observedAttributes
     */
    static get observedAttributes() {
        console.group("Dashboard.observedAttributes");

	this.observables = ["background"];

        console.groupEnd();
        return this.observables;
    };

    /**
     * This function is called when this is attached to DOM
     * @connectedCallback. 
     */
    connectedCallback() {
        console.group("Dashboard.connectedCallback")
	
	let self = this;

	// GET PROPERTIES AND INTERESTING ELEMENTS
	this._initialize();

	this.config = $.getJSON(this.properties.config, function(data) {
	    let header = data.header;

	    self.innerHTML = `
	        <!-- HEADER START -->
		<div>
		    <wc-header id="dashboard-header" uname="${header.uname}" sname="${header.sname}" aname="<font color=#FFF>${header.aname}</font>" lob="${self.properties.lob}" search="false">
			<wc-header-topmenus>
			    <ul>
				<li><a href="#" id="Support">Support</a></li>
				<li><a href="#" id="contact">Contact Us</a></li>
				<li><a href="http://www.dtcc.com" id="dtcc" target=_blank>DTCC.com</a>
			    </ul>
			</wc-header-topmenus><wc-header-cogmenus>
			</wc-header-cogmenus><wc-header-botmenus>
			</wc-header-botmenus></wc-header>
		</div>
	        <!-- HEADER END -->
	
		<div class="container dashboard-container">
		    <div class="row">
			<div class="col-md-8 dashboard-lhs" style="width:750px;padding-left:30px">
			</div>
	
			<div class="col-md-4 dashboard-rhs" style="width:480px;">
		        </div>
		    </div>
		</div>
	
		<div style="margin-top:20px;">
		    <div class="dashboard-footer">
		    </div>
		</div>`;

	    // TILES - START
	    let length = data.applications.length;

	    var tmp = "<div class='clearfix'><h4><i class='fa fa-folder-open-o'></i> Applications</h4>";
	    if (length > 9) {
		this.cls = "tile-md";
	    } else {
		this.cls = "tile-lg";
	    }

	    for (var i=0; i<length; i++) {
		let obj = data.applications[i]

		tmp += `
		<wc-tile id="dashboard-tile-${i}" class="${this.cls} ${obj.lob} lob-border-bottom lob-hover">
		    <div class="tile-header">
			${obj.name}
		    </div>

		    <div class="tile-body">
			${obj.description}
		    </div>
		</wc-tile>`;
	    }
	    tmp += "</div>";
	    
	    let lhs = _(".dashboard-lhs");

	    $(lhs).append(tmp);
	    // TILES - END

	    // ACCESS - START
	    let obj = data.access;
	    tmp = `
		<div class="clearfix">
		    <wc-access id="dashboard-access" icon="key" hoverable="true">
			<div class="wc-access-header">
			    ${obj.header}
			</div>

			<div class="wc-access-body">
			    ${obj.body}
			</div>
		    </wc-access>
		</div>`

	    $(lhs).append(tmp);
	    // ACCESS - END

	    // PROFILE - START
	    let rhs = _(".dashboard-rhs");
	    obj = data.profile;

	    var tmp = `<h4><i class='fa fa-user-o'></i> Profile
		</h4><div class='clearfix'>
		<wc-profile id="dashboard-profile" name="${obj.name}" phone="${obj.phone}" email="${obj.email}"></wc-profile></div>`

	    $(rhs).append(tmp);
	    // PROFILE - END

	    // ANNOUNCEMENTS - START
	    obj = data.announcements;

	    var tmp = `
		<h4><i class="fa fa-bell-o"></i> Announcements</h4>
		<wc-announcements id="dashboard-announcements">
		    <div class="wc-announcements-header">
		        ${obj.header}
	 	    </div>`;

	    length = obj.pages.length;
	    for (var i=0; i<length; i++) {
		let page = obj.pages[i];
		tmp += `
			<div class="wc-announcements-body">
			${page.page}
			</div>`
	    }

	    tmp += "</wc-announcements>";

	    $(rhs).append(tmp);
	    // ANNOUNCEMENTS - END

	    // DOCUMENTATIONS - START
	    obj = data.documentation;
	    tmp = "<h4><i class='fa fa-file-pdf-o'></i> Documentation</h4><wc-documentation id='dashboard-documentation'>";

	    length = obj.items.length;
	    for (var i=0; i<length; i++) {
		let item = obj.items[i];
		tmp += `
			<div class="wc-documentation-item" id="item-${i}">
			    ${item.document}
			</div>`
	    }

	    tmp += "</wc-documentation>";
	    $(rhs).append(tmp);
	    // DOCUMENTATIONS - END

	    // FOOTER
	    let footer = _(".dashboard-footer");
	    tmp = `
		<wc-footer id="dashboard-footer" class="clearfix">
		    <wc-footer-menus-lhs></wc-footer-menus-lhs>

		    <wc-footer-menus-rhs>
			<ul>
			    <li><a href="#" id="contact">Contact Us</a></li>
			    <li><a href="#" id="support">Support</a></li>
			    <li><a href="#" id="policy">Private Policy</a></li>
			    <li><a href="#" id="terms">Terms of Use</a></li>
			</ul>
		    </wc-footer-menus-rhs>
	    
		    <wc-footer-copyright>
			DTCC &#169; 2016 All Rights Reserved
		    </wc-footer-copyright>
		</wc-footer>`;

	    $(footer).append(tmp);
	});
	
	// ADD STATS AND OTHER FINAL STUFF
	this._finalize();

	// SHOW IT NOW (NO FLICKERS) 
	this.style.visibility = "visible";

        console.groupEnd();
    };

    /**
     * Invoked When component is removed. Usually with a .remove() function call
     * @disconnectedCallback
     */
    disconnectedCallback() {
        console.group("Dashboard.disconnectedCallback")

	/* CLEAN UP NOW */

        console.groupEnd();
    };

    /**
     * Called with .setAttribute(...) function call
     * @attributeChangedCallback
     */
    attributeChangedCallback(attr, oldval, newval) {
        console.group("Dashboard.attributeChangedCallback:", attr, oldval, newval);

	this.properties = this.properties || [];

	let obs = Dashboard.observedAttributes;

	for (let i = 0; i < obs.length; i++) {
	    this.properties[obs[i]] = newval;
            console.log(obs[i] + ": " + this.properties.background);
	    // YOUR CODE FOR CHANGES GO HERE 
	}
	
        console.groupEnd();
    };

    /**
     * Stores DOM elements of interest for future use
     * @_fetchElements
     */
    _fetchElements() {
	console.group("Dashboard._fetchElements");
	
	this.dom = this.dom || [];
	this.dom.content = this.innerHTML;

	console.groupEnd();
    };

    /**
     * Component attributes are _fetched and defaults are set if undefined
     * @_fetchAttributes
     * @param {string} [background=indianred] background color
     */
    _fetchAttributes() {
	console.group("Dashboard._fetchAttributes");
	
	this.properties = {
	    "cname"	 : "Dashboard",
	    "author"     : "Mel Heravi",
	    "version"    : "1.0",
	    "background" : "indianred"
	};
	
	// SAVE WIDGET SPECIFIC PROPERTIES
	this.propertiesW = [];

	// SAVE ALL OTHER PROPERTIES
	let attrs = wc.getAttributes(this)
	
 	for (var key in attrs) {
	    this.properties[key]  = this.getAttribute(key);
	    this.propertiesW[key] = this.getAttribute(key);
	    console.log(key + ": " + attrs[key]);
	}

	console.log("attributes: ", this.properties);

	console.groupEnd();
    };

    /**
     * Destroy the instance object and artifacts
     * @_destroy
     */
    destroy() {
	console.group("Dashboard.destroy:", this.id);

	// FREE POINTER
	delete this;

	// REMOVE ITEM FROM DOM
	this.parentNode.removeChild(this);

	console.groupEnd();
    };

    /**
     * SAVE DATA FOR ANALYTICS
     * @__initialize
     */
    _initialize() {
	console.group("Dashboard._initialize:", this.id);

	// FETCH ALL INTERESTING ELEMENTS
	this._fetchElements();

	// FETCH ALL ATTRIBUTES
	this._fetchAttributes();
	
	console.groupEnd();
    };

    /**
     * SAVE DATA FOR ANALYTICS
     * @__finalize
     */
    _finalize() {
	console.group("Dashboard._finalize:", this.id);

	this.classList.add("wc");

	// ADD ANALYTICS HERE
	wc.getStats(this, this.properties.cname, this.properties.version);
	
	console.groupEnd();
    };

    /**
     * FOR TESTING PURPOSES
     * @test
     */
    static test() {
	console.group("Dashboard.test");

	console.log("testing results will be printed here...");

	console.groupEnd();
	return true;
    }
}

window.customElements.define('wc-dashboard', Dashboard);