Source: side-slider.js

/**
 * Side-slider Component<BR>
 * <BR><BR><img src=/tk/lib/components/w/img/side-slider.png width=30% style="border:1px lime dashed;padding:20px">
 * <BR><BR><a href="/tk/lib/components/w/html/side-slider.html">DEMO</a>
 */
class SideSlider extends HTMLElement {
    constructor() {
        wc.group("SideSlider.constructor")
        super();
        wc.groupEnd();
    };
    
    /**
     * Set observable values here. When Changed, attributeChangedCallback is invoked
     * @observedAttributes
     */
    static get observedAttributes() {
        wc.group("SideSlider.observedAttributes");
	this.observables = [];
        wc.groupEnd();
        return this.observables;
    };
    /**
     * Called when this is attached to DOM
     * @connectedCallback.
     */
    connectedCallback() {
        wc.group("SideSlider.connectedCallback")
	// ADD A RANDOM ID IF NONE EXIST
	if (!this.id) {
	    this.id = this.constructor.name.toLowerCase() + "-" + wc.uid();
	}
	// GET PROPERTIES AND INTERESTING ELEMENTS
	this._initialize();
	// ADD COMPONENT MARKTOP
	this.innerHTML = this.dom.content;
	let sp = this.querySelector(".scotch-panel");
	let dv = this.querySelector("div:first-child");
	$(".scotch-panel-wrapper, .scotch-panel-content").height(this.properties.height);
	$(sp).scotchPanel({
	    clickSelector: ".toggle-panel",
            containerSelector: dv,
            direction: this.properties.side,
            duration: 300,
	    transition: "ease-in-out",
            clickSelector: ".toggle-panel",
            distanceX: this.properties.width,
            enableEscapeKey: true
        });
	// ADD STATS AND OTHER FINAL STUFF
	this._finalize();
        wc.groupEnd();
    };
    /**
     * Called with .setAttribute(...) function call
     * @attributeChangedCallback
     */
    attributeChangedCallback(attr, oldval, newval) {
        wc.group("SideSlider.attributeChangedCallback:", attr, oldval, newval);
	this.properties = this.properties || [];
	let obs = SideSlider.observedAttributes;
	for (let i = 0; i < obs.length; i++) {
	    if (newval) {
		this.properties[obs[i]] = newval;
	    }
	}
	// YOUR CODE FOR CHANGES GO HERE (MAYBE NULL FIRST TIME THROUGH)
	try {
	    switch(attr)
	    {
		case "header":
		//this.querySelector("h1").innerHTML = newval;
		break;
		default:
		break;
	    }
	} catch(e) {
	    wc.warn(e.name + ' > ' + e.message);
	}
        wc.groupEnd();
    };
    /**
     * Stores DOM elements of interest for future use
     * @private
     * @_fetchElements
     */
    _fetchElements() {
	wc.group("SideSlider._fetchElements");
	this.dom = this.dom || [];
	this.dom.content = this.innerHTML;
	wc.groupEnd();
    };
    /**
     * Component attributes are _fetched and defaults are set if undefined
     * @private
     * @_fetchAttributes
     */
    _fetchAttributes() {
	wc.group("SideSlider._fetchAttributes");
	this.properties = {
	    uparam : "",
	    cname : "SideSlider",
	    author : "Mel M. Heravi",
	    version : "1.0"
	};
	// SAVE WIDGET SPECIFIC PROPERTIES
	this.propertiesW = [];
	// SAVE ALL OTHER PROPERTIES
	let attrs = wc.getAttributes(this)
	for (var key in attrs) {
	    let attr = this.getAttribute(key) || this.properties.key;
	    this.properties[key]  = this.getAttribute(key);
	    this.propertiesW[key] = this.getAttribute(key);
	    wc.log(key + ": " + attrs[key]);
	}
	// SET ALL INITIAL ATTRIBUTES
	for (var key in this.properties) {
	    switch(key)
	    {
		case "header":
		break;
		default:
		break;
	    }
	}
	wc.log("ATTRIBUTES: ", this.properties);
	wc.groupEnd();
    };
    /**
     * configure the instance object and artifacts
     * @configure
     * @param {string} data use data if exist else use 'this.properties.cfg' parameter
     */
    configure(data) {
	wc.group("SideSlider.configure:", data);
	// IF JSON VARIABLE (data) IS PROVIDED
	if (data) {
	    this._process(data);
	} else {
	    let self = this;
	    $.getJSON(this.properties.cfg, function(data) {
		self._process(data);
	    }).fail(function(jqXHR, textStatus, errorThrown) {
		alert("ERROR: INCOMING TEXT " + jqXHR.responseText);
	    });
	}
	wc.groupEnd();
    };
    /**
     * _process the instance object and artifacts
     * @private
     * @_process
     */
    _process(data) {
	wc.group("SideSlider._process:", data);
	for (var i = 0; i < data.length; i++) {
	    //console.log(">>>>>>", data[i]);
	}
	wc.groupEnd();
    };
    /**
     * Initialize component
     * @private
     * @_initialize
     */
    _initialize() {
	wc.group("SideSlider._initialize:", this.id);
	// FETCH ALL INTERESTING ELEMENTS
	this._fetchElements();
	// FETCH ALL ATTRIBUTES
	this._fetchAttributes();
	wc.groupEnd();
    };
    /**
     * Save data for analytics and final wrap up
     * @private
     * @_finalize
     */
    _finalize() {
	wc.group("SideSlider._finalize:", this.id);
	this.classList.add("wc");
	// ADD ANALYTICS HERE
	wc.setStats(this, this.properties.cname, this.properties.version);
	// SHOW IT NOW (NO FLICKERS)
	this.style.visibility = "visible";
	wc.groupEnd();
    };
    /**
     * Invoked When component is removed. Usually with a .remove() function call
     * @disconnectedCallback
     */
    disconnectedCallback() {
        wc.group("SideSlider.disconnectedCallback")
	// FREE MEMORY AND CLEANUP
        wc.groupEnd();
    };
    /**
     * Destroy the instance object and artifacts
     * @destroy
     */
    destroy() {
	wc.group("SideSlider.destroy");
	// FREE ALL MEMORY
	// you should delete all created objects here
	// FREE POINTER
	delete this;
	// REMOVE ITEM FROM DOM
	this.parentNode.removeChild(this);
	wc.groupEnd();
    };
}
window.customElements.define('wc-side-slider', SideSlider);