/**
* Text Component<BR>
* <BR><BR><img src=/tk/lib/components/w/img/text.png width=40% style="border:1px lime dashed;padding:20px">
* <BR><BR><a href="/tk/lib/components/w/html/text.html">DEMO</a>
*/
class Text extends HTMLElement {
constructor() {
wc.group("Text.constructor")
super();
wc.groupEnd();
};
/**
* Set observable values here. When Changed, attributeChangedCallback is invoked
* @observedAttributes
*/
static get observedAttributes() {
wc.group("Text.observedAttributes");
this.observables = ["columns"];
wc.groupEnd();
return this.observables;
};
/**
* This function is called when this is attached to DOM
* @connectedCallback.
*/
connectedCallback() {
wc.group("Text.connectedCallback")
let self = this;
// GET PROPERTIES AND INTERESTING ELEMENTS
this._initialize();
let cols = this.properties.columns.split(',');
let id = this.id;
let c1 = "col-md-" + cols[0];
let c2 = "col-md-" + cols[1];
let lbl = this.properties.label || "";
let val = this.properties.value || "";
let hlp = this.properties.help || "";
let cls = this.properties.class || "";
let name = $(this).attr("name");
if (typeof name === "undefined") {name = id}
// REPLACE CONTENT IF NECESSARY WITH NEW STUFF
this.innerHTML = `
<div class="form-group has-feedback clearfix">
<div class="row">
<div class="${c1}">
<label id="${this.id}-label" for="${this.id}-label" class="btn-control col-form-label">${lbl}</label>
</div>
<div class="${c2}">
<input type="text" name="${name}" class="form-control ${cls}" id="${this.id}-input" value="${val}" autocomplete='off' />
<span class="glyphicon form-control-feedback" aria-hidden="true"></span>
<small id='${this.id}-help' class='form-text help-block with-errors text-muted'>${hlp}</small>
</div>
</div>
</div>`
// TRANSFER ALL ATTRIBUTES NOW (below is an example)
// -------------------------------------------------
let widget = this.querySelector("input[type=text]");
for (var key in this.propertiesW) {
if (key != "class" && key != "id") {
this.removeAttribute(key);
widget.setAttribute(key, this.properties[key]);
}
}
// ADD STATS AND OTHER FINAL STUFF
this._finalize();
// PUBLISH INTERESTING EVENTS
this._publish();
wc.groupEnd();
};
/**
* Publish all events
* @private
* @_publish
*/
_publish() {
wc.group("Text.publish");
let widget = this.querySelector("input[type=text]");
widget.addEventListener("change", e => {
let id = $(widget).attr("id");
this._change(id);
PubSub.publish(`text.changed`, {id:`${this.id}`})
});
wc.groupEnd();
return true;
}
/**
* A sample callback usage function - see connectedCallback()
* @private
* @_onClick
*/
_change(id) {
wc.group("Text._change:", id);
let val = $("#" + id).val();
wc.publish("wc-text", {
time: new Date().getTime(),
action: "change",
id: id,
val: val,
uparam: this.properties.uparam
});
wc.groupEnd();
};
/**
* Invoked When component is removed. Usually with a .remove() function call
* @disconnectedCallback
*/
disconnectedCallback() {
wc.group("Text.disconnectedCallback")
/* CLEAN UP NOW */
wc.groupEnd();
};
/**
* Called with .setAttribute(...) function call
* @attributeChangedCallback
*/
attributeChangedCallback(attr, oldval, newval) {
wc.group("Text.attributeChangedCallback:", attr, oldval, newval);
this.properties = this.properties || [];
let obs = Text.observedAttributes;
for (let i = 0; i < obs.length; i++) {
this.properties[obs[i]] = newval;
// YOUR CODE FOR CHANGES GO HERE
}
wc.groupEnd();
};
/**
* Stores DOM elements of interest for future use
* @private
* @_fetchElements
*/
_fetchElements() {
wc.group("Text._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 text
*/
_fetchAttributes() {
wc.group("Text._fetchAttributes");
this.properties = {
cname : "Text",
author : "Mel Heravi",
version : "1.0",
columns : "12,12"
};
// 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);
wc.log(key + ": " + attrs[key]);
}
wc.log("attributes: ", this.properties);
// PROCESS ALL PROPERTIES (example below);
wc.groupEnd();
};
/**
* A sample callback usage function - see connectedCallback()
* @private
* @_onClick
*/
_onClick() {
wc.group("Text._onClick:", this.id);
wc.publish("wc-text", {
action: "click",
id: this.id,
uparam: this.properties.uparam
});
wc.groupEnd();
};
/**
* Destroy the instance object and artifacts
* @private
* @_destroy
*/
destroy() {
wc.group("Text.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
* @_configure
* cmnd:
* set > text or style
* get > val()
*/
configure(options) {
wc.group("Text.configure:", JSON.stringify(options));
// w = document.querySelector("#fname")
// let test = {
// cmnd: "set",
// args: {
// text: "Mel Was Here...",
// style: {
// background: "red",
// color: "white"
// }
// }
// }
// w.configure(test)
var tmp = this.querySelector("[type=text]");
switch(options.cmnd)
{
case "set":
for (var key in options.args) {
console.log("KEY:", key, options.args[key])
if (key == "text") {
$(tmp).val(options.args[key])
}
if (key == "style") {
$(tmp).css(options.args[key]);
}
}
break;
default:
alert("wc-text does not understand: " + options.cmnd)
break;
}
wc.groupEnd();
};
/**
* SAVE DATA FOR ANALYTICS
* @private
* @_initialize
*/
_initialize() {
wc.group("Text._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("Text._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();
};
}
window.customElements.define('wc-text', Text);