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;(function() {
"use strict";
BX.namespace("BX.Landing.UI.Field");
var setTextContent = BX.Landing.Utils.setTextContent;
var escapeText = BX.Landing.Utils.escapeText;
var data = BX.Landing.Utils.data;
var offsetTop = BX.Landing.Utils.offsetTop;
var offsetLeft = BX.Landing.Utils.offsetLeft;
/**
* Implements interface for works with dropdown
*
* @extends {BX.Landing.UI.Field.BaseField}
* @param {object} options
* @constructor
*/
BX.Landing.UI.Field.Dropdown = function(options)
{
this.items = "items" in options && options.items ? options.items : {};
BX.Landing.UI.Field.BaseField.apply(this, arguments);
this.setEventNamespace('BX.Landing.UI.Field.Dropdown');
this.subscribeFromOptions(BX.Landing.UI.Component.fetchEventsFromOptions(options));
this.onChangeHandler = typeof options.onChange === "function" ? options.onChange : (function() {});
this.frame = typeof options.frame === "object" ? options.frame : null;
this.layout.classList.add("landing-ui-field-dropdown");
this.popup = null;
this.input.addEventListener("click", this.onInputClick.bind(this));
this.classForTextNode = options.classForTextNode;
document.addEventListener("click", this.onDocumentClick.bind(this));
var rootWindow = BX.Landing.PageObject.getRootWindow();
rootWindow.document.addEventListener("click", this.onDocumentClick.bind(this));
if (options.hint)
{
var header = this.layout.querySelector('.landing-ui-field-header');
if (header)
{
BX.Dom.append(top.BX.UI.Hint.createNode(options.hint), header);
}
}
if (BX.type.isPlainObject(this.items))
{
var keys = Object.keys(this.items);
this.items = keys.map(function(key) {
return {name: this.items[key], value: key};
}, this);
}
if (BX.Type.isArrayFilled(this.items))
{
setTextContent(this.input, this.items[0].name, this.classForTextNode);
data(this.input, "value", this.items[0].value);
}
else
{
setTextContent(this.input, BX.Landing.Loc.getMessage("LANDING_DROPDOWN_NOT_FILLED"));
data(this.input, "value", "");
}
if (this.content !== "")
{
setTimeout(() => {
this.emit("onInit", this.items[this.content]);
}, 0);
this.setValue(this.content);
}
};
BX.Landing.UI.Field.Dropdown.prototype = {
constructor: BX.Landing.UI.Field.Dropdown,
__proto__: BX.Landing.UI.Field.BaseField.prototype,
onInputClick: function(event)
{
event.stopPropagation();
if (
!this.popup
|| (!this.contentRoot && this.popupRoot && !this.popupRoot.contains(this.popup.popupWindow.popupContainer))
)
{
var menuItems = [];
this.items.forEach(function(item) {
if (item.hidden !== true)
{
menuItems.push(item);
}
})
var mahHeight;
if (this.options.maxHeight)
{
mahHeight = this.options.maxHeight;
}
else
{
mahHeight = 196;
}
menuItems = menuItems.map(function(item) {
if (item.delimiter)
{
return {
delimiter: item.delimiter,
}
}
return {
html: item.html,
text: !item.html ? escapeText(item.name) : undefined,
onclick: function() {
this.onItemClick(item)
}.bind(this),
className: item.className,
}
}, this);
this.popup = new BX.PopupMenuWindow({
id: "dropdown_" + (+new Date()),
bindElement: this.input,
bindOptions: {
forceBindPosition: true
},
targetContainer: this.contentRoot,
maxHeight: mahHeight,
items: menuItems,
events: {
onPopupClose: function() {
this.input.classList.remove("landing-ui-active");
this.layout.classList.remove("landing-ui-active");
}.bind(this)
},
className: this.options.className,
angle: true,
});
if (!this.contentRoot)
{
this.popupRoot = this.layout.parentElement.parentElement.parentElement;
this.popupRoot.appendChild(this.popup.popupWindow.popupContainer);
this.popupRoot.style.position = "relative";
}
}
this.layout.classList.add("landing-ui-active");
this.input.classList.add("landing-ui-active");
if (this.popup.popupWindow.isShown())
{
this.popup.close();
}
else
{
this.popup.show();
}
var rect = this.input.getBoundingClientRect();
if (!this.contentRoot)
{
var left = offsetLeft(this.input, this.popupRoot);
var top = offsetTop(this.input, this.popupRoot);
this.popup.popupWindow.popupContainer.style.top = top + rect.height + "px";
this.popup.popupWindow.popupContainer.style.left = left + "px";
}
this.popup.popupWindow.popupContainer.style.width = rect.width + "px";
},
onItemClick: function(item)
{
setTextContent(this.input, item.name, this.classForTextNode);
data(this.input, "value", item.value);
this.popup.close();
this.onChangeHandler(item.value, this.items, this.postfix, this.property);
this.onValueChangeHandler(this);
BX.fireEvent(this.input, "input");
this.emit("onChange", item);
},
/**
* @inheritDoc
*/
getValue: function()
{
var value = this.input.dataset.value;
if (value !== "undefined" && typeof value !== "undefined")
{
return value;
}
if (BX.Type.isArrayFilled(this.items))
{
return this.items[0].value;
}
},
setValue: function(value, preventEvent)
{
this.items.forEach(function(item) {
// noinspection EqualityComparisonWithCoercionJS
if (value == item.value)
{
setTextContent(this.input, item.name, this.classForTextNode);
data(this.input, "value", item.value);
if (preventEvent)
{
setTimeout(() => {
this.emit("onInit", item);
}, 0);
}
}
}, this);
},
onFrameLoad: function ()
{
const element = this.frame.document.querySelector(this.selector);
if (element)
{
const value = this.items.find(item => element.classList.contains(item.value));
if (value)
{
this.setValue(value.value, true);
}
}
},
/**
* @inheritDoc
* @return {boolean}
*/
isChanged: function()
{
// noinspection EqualityComparisonWithCoercionJS
return this.content != this.getValue();
},
onDocumentClick: function()
{
if (this.popup)
{
this.popup.close();
}
}
};
})();