/**
* Stock_trends Component<BR>
* <BR><BR><img src=/tk/lib/components/w/img/stock-trends.png width=30% style="border:1px lime dashed;padding:20px">
* <BR><BR><a href="/tk/lib/components/w/html/stock-trends.html">DEMO</a>
*/
class Stock_trends extends HTMLElement {
constructor() {
wc.group("Stock_trends.constructor")
super();
this.green = "#78e08f";
this.red = "#eb2f06";
this.gray = "#dfe4ea";
this.values = [];
wc.groupEnd();
};
/**
* Set observable values here. When Changed, attributeChangedCallback is invoked
* @observedAttributes
*/
static get observedAttributes() {
wc.group("Stock_trends.observedAttributes");
this.observables = [];
wc.groupEnd();
return this.observables;
};
/**
* Called when this is attached to DOM
* @connectedCallback.
*/
connectedCallback() {
wc.group("Stock_trends.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();
// INITIALIZE VALUES
for (var i = 0; i < this.properties.size; i++) {
this.values[i] = 0;
}
let html = "<div class=clearfix>";
for (var i = 0; i < this.properties.size; i++) {
html += `<div id="wc-stock-trends-bar-${i}" class="wc-stock-trends-bar float-left" style="min-width:8px;margin-right:1px;background:${this.gray};"> </div>`;
}
html += "</div>";
// ADD COMPONENT MARKTOP
this.innerHTML = html;
// 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-stock-trends-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("Stock_trends.template");
var temp = this.dom.content;
wc.groupEnd();
return temp;
};
/**
* Called with .setAttribute(...) function call
* @attributeChangedCallback
*/
attributeChangedCallback(attr, oldval, newval) {
wc.group("Stock_trends.attributeChangedCallback:", attr, oldval, newval);
this.properties = this.properties || [];
let obs = Stock_trends.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("Stock_trends._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("Stock_trends._fetchAttributes");
this.properties = {
uparam : "",
cname : "Stock_trends",
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("Stock_trends.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("Stock_trends._process:", data);
// DO WHATEVER WITH THE DATA
wc.groupEnd();
};
/**
* Initialize component
* @private
* @_initialize
*/
_initialize() {
wc.group("Stock_trends._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("Stock_trends._finalize:", this.id);
let self = this;
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.publish("wc-stock-trends-ready", {
time: new Date().getTime(),
action: "click",
id: self.id
});
wc.groupEnd();
};
/**
* Invoked When component is removed. Usually with a .remove() function call
* @disconnectedCallback
*/
disconnectedCallback() {
wc.group("Stock_trends.disconnectedCallback")
ga('send', {'hitType': 'event','eventCategory': 'wc-stock-trends-disconnected','eventAction': 'disconnected','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* Publish all to events of interest
* @private
* @_publish
*/
_publish() {
wc.group("Stock_trends._publish:", this.id);
let self = this;
// PUBLISH STUFF HERE
wc.groupEnd();
return true;
};
/**
* Subscribe all to events of interest
* @private
* @_subscribe
*/
_subscribe() {
wc.group("Stock_trends._subscribe:", this.id);
let self = this;
// SUBSCRIBE TO REQUESTS FROM CLIENTS
wc.subscribe("wc-stock-trends", function(msg,data) {
wc.info(`SUBSCRIPTION TRIGGERED ${JSON.stringify(data)}`)
// ADD IT TO CORRECT TRENDS
if (self.id == data.id) {
$("#" + data.id)[0]._add(data);
}
ga('add', {'hitType': 'event', 'eventCategory':'wc-stock-trends', 'eventAction':'add', 'eventLabel':self.properties.cname, 'eventValue':JSON.stringify({'env':wcENV, 'app':wcAPP, 'url':wcURL})});
});
wc.groupEnd();
}
/**
* Destroy the instance object and artifacts
* @destroy
*/
destroy() {
wc.group("Stock_trends.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-stock-trends-destroyed','eventAction': 'distroy','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* Add the instance object and artifacts
* @_add
*/
_add(data) {
wc.group("Stock_trends._add:", JSON.stringify(data));
this.values.shift()
this.values.push(data.value);
for (var i = 0; i < this.properties.size; i++) {
if (i == 0 && this.values[i] != 0) {
if (this.values[i] > this.values[i+1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", this.green)
} else if (this.values[i] < this.values[i+1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", this.red)
} else if (this.values[i] == this.values[i+1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", $(`#${this.id} #wc-stock-trends-bar-${i-1}`).css("background"))
}
} else {
if (this.values[i] > this.values[i-1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", this.green)
} else if (this.values[i] < this.values[i-1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", this.red)
} else if (this.values[i] == this.values[i-1]) {
$(`#${this.id} #wc-stock-trends-bar-${i}`).css("background", $(`#${this.id} #wc-stock-trends-bar-${i-1}`).css("background"))
}
}
}
//wc.log(this.values.length, this.values);
//ga('send', {'hitType': 'event','eventCategory': 'wc-stock-trends-add','eventAction': 'distroy','eventLabel': this.properties.cname, 'eventValue':JSON.stringify({'env':wcENV,'app':wcAPP,'url':wcURL})});
wc.groupEnd();
};
/**
* @test
*/
static test() {
wc.group("Stock_trends.test");
for (var i = 0; i <= 100; i++) {
setTimeout(function(){
wc.publish("wc-stock-trends", {
time: new Date().getTime(),
action: "add",
id: "my-stock-trends-1",
value: Math.floor(Math.random() * 10)
});
}, i*1000);
}
for (var i = 0; i <= 100; i++) {
setTimeout(function(){
wc.publish("wc-stock-trends", {
time: new Date().getTime(),
action: "add",
id: "my-stock-trends-2",
value: Math.floor(Math.random() * 10)
});
}, i*1000);
}
wc.groupEnd();
return true;
}
}
window.customElements.define('wc-stock-trends', Stock_trends);
// SO I CAN CALL THE STATIC METHOD GLOBALLY
window.Stock_trends = Stock_trends;