/**
* Marketdatacard Component<BR>
* <BR><BR><img src=/tk/lib/components/w/img/MarketDataCard.png width=30% style="border:1px lime dashed;padding:20px">
* <BR><BR><a href="/tk/lib/components/w/html/MarketDataCard.html">DEMO</a>
*/
class Marketdatacard extends HTMLElement {
constructor() {
wc.group("Marketdatacard.constructor")
super();
wc.groupEnd();
};
/**
* Set observable values here. When Changed, attributeChangedCallback is invoked
* @observedAttributes
*/
static get observedAttributes() {
wc.group("Marketdatacard.observedAttributes");
this.observables = [];
wc.groupEnd();
return this.observables;
};
/**
* Called when this is attached to DOM
* @connectedCallback.
*/
connectedCallback() {
wc.group("Marketdatacard.connectedCallback")
let self = this;
// 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._template()
// PUBLISH ALL EVENTS OF INTEREST
this._publish();
// SUBSCRIBE TO ALL EVENTS OF INTEREST
this._subscribe();
// ADD STATS AND OTHER FINAL STUFF
this._finalize();
ga('send', {'hitType': 'event','eventCategory': 'wc-connected','eventAction': 'connected','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* Initial Markup
* @private
* @_template
*/
_template() {
wc.group("Marketdatacard.template");
let self = this;
var temp = `
<span class="marketdatacard-container">
<span class="marketdatacard-logo-container clearfix">
<span class="marketdatacard-logo float-left">
<img src="/tk/img/common/crypto/${this.properties.asset}.png" alt="${this.properties.asset}" />
</span>
<span class="marketdatacard-asset float-left">
<h1 class="wc-font-b">${this.properties.asset}</h1>
<h3 class="wc-font-m">${this.properties.assetname}</h3>
</span>
</span>
<span class="marketdatacard-chart-container pt-3">
<svg class="sparkline sparkline-${this.properties.color}" width="500" height="40" stroke-width="4"></svg>
</span>
</span>`
setTimeout(function(){
document.querySelectorAll(`#${self.id} .sparkline`).forEach(function (svg) {
sparkline.sparkline(svg, JSON.parse(self.properties.data));
});
}, 10);
wc.groupEnd();
return temp;
};
/**
* Called with .setAttribute(...) function call
* @attributeChangedCallback
*/
attributeChangedCallback(attr, oldval, newval) {
wc.group("Marketdatacard.attributeChangedCallback:", attr, oldval, newval);
this.properties = this.properties || [];
let obs = Marketdatacard.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("Marketdatacard._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("Marketdatacard._fetchAttributes");
this.properties = {
uparam : "",
cname : "Marketdatacard",
author : "Mel M. Heravi, Ph.D.",
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("Marketdatacard.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("Marketdatacard._process:", data);
// DO WHATEVER WITH THE DATA
wc.groupEnd();
};
/**
* Initialize component
* @private
* @_initialize
*/
_initialize() {
wc.group("Marketdatacard._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("Marketdatacard._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("Marketdatacard.disconnectedCallback")
ga('send', {'hitType': 'event','eventCategory': 'wc-disconnected','eventAction': 'disconnected','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* Destroy the instance object and artifacts
* @destroy
*/
destroy() {
wc.group("Marketdatacard.destroy");
// FREE ALL MEMORY
// you should delete all created objects here
// FREE POINTER
delete this;
// REMOVE ITEM FROM DOM
this.parentNode.removeChild(this);
ga('send', {'hitType': 'event','eventCategory': 'wc-destroyed','eventAction': 'distroy','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* @_publish
*/
_publish() {
wc.group("Marketdatacard._publish");
let self = this;
// PUBLISH CLICK EVENTS
$(this).on("click", () => {
wc.publish("wc-marketdatacard", {
id: self.id,
time: new Date().getTime(),
action: "click"
});
ga('send', {'hitType': 'event','eventCategory': 'wc-MarketDataCard','eventAction': 'click','eventLabel': self.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
});
wc.groupEnd();
return true;
};
/**
* Subscribe all to events of interest
* @private
* @_subscribe
*/
_subscribe() {
wc.group("Marketdatacard._subscribe:", this.id);
let self = this;
wc.subscribe("wc-marketdatacard", function(msg, e) {
console.log(">>>>>> E:", self.id, JSON.stringify(e));
if (e.id == self.id && e.action == "update") {
self._update(e.id, e.data);
}
wc.info("'wc-marketdatacard-update' subscription was triggered:", JSON.stringify(e));
});
wc.groupEnd();
}
/**
* @private
* @_update
*/
_update(id, data) {
wc.group("Marketdatacard._update:", id, JSON.stringify(data));
let self = this;
document.querySelectorAll(`#${id} .sparkline`).forEach(function (svg) {
sparkline.sparkline(svg, JSON.parse(data));
});
wc.groupEnd();
}
/**
* @_request
*/
_request(e) {
wc.group("Marketdatacard._request:", this.id, JSON.stringify(e.detail));
switch(e.detail.request)
{
case "label":
let h1 = this.querySelector("h1");
h1.innerHTML = e.detail.str;
this._publish("labelChanged");
break;
default:
alert("DO NOT HAVE SUCH REQUEST: " + e.detail.request);
break;
}
wc.groupEnd();
return true;
};
/**
* @test
*/
static test(what) {
wc.group("Marketdatacard.test:", what);
switch(what)
{
case "label":
wc.publish("my-MarketDataCard", {time:new Date().getTime(), requestor:"my-MarketDataCard", request:"label", str:"Hello Mel !"})
break;
}
wc.groupEnd();
return true;
}
}
window.customElements.define('wc-marketdatacard', Marketdatacard);
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