/**
* Swipe Component<BR>
* <BR><BR><img src=/tk/lib/components/w/img/swipe.png width=70% style="border:1px lime dashed;padding:20px">
* <BR><BR><a href="/tk/lib/components/w/html/swipe.html">DEMO</a>
*/
class Swipe extends HTMLElement {
constructor() {
wc.group("Swipe.constructor")
super();
wc.groupEnd();
};
/**
* Set observable values here. When Changed, attributeChangedCallback is invoked
* @observedAttributes
*/
static get observedAttributes() {
wc.group("Swipe.observedAttributes");
this.observables = ["header"];
wc.groupEnd();
return this.observables;
};
/**
* This function is called when this is attached to DOM
* @connectedCallback.
*/
connectedCallback() {
wc.group("Swipe.connectedCallback")
let self = this;
// GET PROPERTIES AND INTERESTING ELEMENTS
this._initialize();
this.properties.autoheight = this.properties.autoheight || true;
this.properties.pagination = this.properties.pagination || false;
this.properties.navigation = this.properties.navigation || false;
this.properties.space = this.properties.space || "20";
this.properties.start = this.properties.start || "0";
var sargs = "new Swiper('.swiper-container', {autoHeight:" + this.properties.autoheight + ", spaceBetween:" + this.properties.space + ", initialSlide:" + this.properties.start + ",";
var pagination = ""
if (this.properties.pagination == "true") {
pagination = "<div class='swiper-pagination'></div>";
sargs += "pagination: {el:'.swiper-pagination', clickable:true},";
}
var navigation = ""
if (this.properties.navigation == "true") {
navigation = "<div class='swiper-button-next'></div><div class='swiper-button-prev'></div>";
sargs += "navigation: {nextEl:'.swiper-button-next', prevEl:'.swiper-button-prev'},"
}
sargs += "})";
// REPLACE CONTENT IF NECESSARY WITH NEW STUFF
this.innerHTML = "<div class='swiper-container'><div class='swiper-wrapper'>" + this.dom.content + "</div>" + pagination + navigation + "</div>";
$(".swiper-wrapper > div").addClass("swiper-slide");
this.swiper = eval(sargs);
// ADD STATS AND OTHER FINAL STUFF
this._finalize();
// PUBLISH INTERESTING EVENTS
//this._publish();
wc.groupEnd();
};
/**
* Publish all events
* @private
* @_publish
*/
_publish() {
wc.group("Swipe.publish");
this.addEventListener("click", e => {
this._click();
});
wc.groupEnd();
return true;
}
/**
* A sample callback usage function - see connectedCallback()
* @private
* @_click
*/
_click() {
wc.group("Swipe._click:", this.id);
wc.publish("wc-swipe", {
time: new Date().getTime(),
action: "click",
id: this.id,
uparam: this.properties.uparam
});
wc.groupEnd();
};
/**
* Invoked When component is removed. Usually with a .remove() function call
* @disconnectedCallback
*/
disconnectedCallback() {
wc.group("Swipe.disconnectedCallback")
/* CLEAN UP NOW */
wc.groupEnd();
};
/**
* Called with .setAttribute(...) function call
* @attributeChangedCallback
*/
attributeChangedCallback(attr, oldval, newval) {
wc.group("Swipe.attributeChangedCallback:", attr, oldval, newval);
this.properties = this.properties || [];
let obs = Swipe.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 "background":
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("Swipe._fetchElements");
this.dom = this.dom || [];
this.dom.content = this.innerHTML;
wc.groupEnd();
};
/**
* Component attributes are _fetched and defaults are set if undefined
* @private
* @_fetchAttributes
* @param {string} [modal=true] mode for our swipe
*/
_fetchAttributes() {
wc.group("Swipe._fetchAttributes");
this.properties = {
cname : "Swipe",
author : "Mel Heravi",
version : "1.0",
header : "UNDEFINED HEADER"
};
// 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 "background":
break;
case "header":
let h = document.querySelector("wc-header")
break;
default:
break;
}
}
wc.log("ATTRIBUTES: ", this.properties);
wc.groupEnd();
};
/**
* A sample callback usage function - see connectedCallback()
* @private
* @_onClick
*/
_onClick() {
wc.group("Swipe._onClick:", this.id);
wc.publish("wc-swipe", {
action: "click",
id: this.id,
uparam: this.properties.uparam
});
wc.groupEnd();
};
/**
* Destroy the instance object and artifacts
* @private
* @_destroy
*/
destroy() {
wc.group("Swipe.destroy:", this.id);
// FREE ALL MEMORY
// you should delete all created objects here
// FREE POINTER
delete this;
// REMOVE ITEM FROM DOM
this.parentNode.removeChild(this);
wc.groupEnd();
};
/**
* configure the instance object and artifacts
* @private
* @_configure
*/
configure(options) {
wc.group("Swipe.configure:", JSON.stringify(options));
// PROCESS ALL OPTIONS HERE
wc.groupEnd();
};
/**
* SAVE DATA FOR ANALYTICS
* @private
* @_initialize
*/
_initialize() {
wc.group("Swipe._initialize:", this.id);
// FETCH ALL INTERESTING ELEMENTS
this._fetchElements();
// FETCH ALL ATTRIBUTES
this._fetchAttributes();
wc.groupEnd();
};
/**
* SAVE DATA FOR ANALYTICS
* @private
* @_finalize
*/
_finalize() {
wc.group("Swipe._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();
};
/**
* SAVE DATA FOR ANALYTICS
* @slideTo
*/
slideTo(ind) {
wc.group("Swipe.slideTo:", ind);
this.swiper.slideTo(ind);
wc.groupEnd();
};
}
window.customElements.define('wc-swipe', Swipe);