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;(function() {
"use strict";
BX.namespace("BX.Landing.UI.Field");
var addClass = BX.Landing.Utils.addClass;
var hasClass = BX.Landing.Utils.hasClass;
var removeClass = BX.Landing.Utils.removeClass;
var isArray = BX.Landing.Utils.isArray;
var isFunction = BX.Landing.Utils.isFunction;
var create = BX.Landing.Utils.create;
var random = BX.Landing.Utils.random;
var escapeHtml = BX.Landing.Utils.escapeHtml;
var append = BX.Landing.Utils.append;
var slice = BX.Landing.Utils.slice;
var encodeDataValue = BX.Landing.Utils.encodeDataValue;
var remove = BX.Landing.Utils.remove;
var data = BX.Landing.Utils.data;
var bind = BX.Landing.Utils.bind;
var style = BX.Landing.Utils.style;
var clone = BX.Landing.Utils.clone;
var offsetLeft = BX.Landing.Utils.offsetLeft;
var offsetTop = BX.Landing.Utils.offsetTop;
var findParent = BX.Landing.Utils.findParent;
var decodeDataValue = BX.Landing.Utils.decodeDataValue;
var BaseCollection = BX.Landing.Collection.BaseCollection;
function addPlaceholders(items, field, depth)
{
items.forEach(function(item) {
var checkbox = new BX.Landing.UI.Field.Checkbox({
id: item.value,
items: [{name: item.name, value: item.value, checked: item.selected}],
depth: depth,
compact: true,
onChange: field.onCheckboxChange
});
field.fields.add(checkbox);
if (checkbox.layout)
{
append(checkbox.layout, field.getPopup().contentContainer);
}
if (item.selected)
{
field.addPlaceholder(item);
}
if (isArray(item.items))
{
depth += 1;
addPlaceholders(item.items, field, depth);
depth -= 1;
}
});
}
/**
* Implements interface for works with multi select field
* @extends {BX.Landing.UI.Field.BaseField}
* @param options
* @constructor
*/
BX.Landing.UI.Field.MultiSelect = function(options)
{
BX.Landing.UI.Field.BaseField.apply(this, arguments);
addClass(this.layout, "landing-ui-field-multiselect");
this.onChangeHandler = isFunction(options.onChange) ? options.onChange : (function() {});
this.items = isArray(options.items) ? options.items : [];
this.value = isArray(options.value) ? options.value : null;
this.content = this.value;
this.fields = new BaseCollection();
this.button = new BX.Landing.UI.Button.BaseButton("dropdown_button", {
text: BX.Landing.Loc.getMessage("LINK_URL_SUGGESTS_SELECT"),
className: "landing-ui-button-select-link",
onClick: this.onButtonClick.bind(this)
});
this.grid = create("div", {
props: {className: "landing-ui-field-multiselect-grid"},
children: [
create("div", {
props: {className: "landing-ui-field-multiselect-grid-left"},
children: [
this.input
]
}),
create("div", {
props: {className: "landing-ui-field-multiselect-grid-right"},
children: [
this.button.layout
]
})
]
});
append(this.grid, this.layout);
this.onInputClick = this.onInputClick.bind(this);
this.onCheckboxChange = this.onCheckboxChange.bind(this);
var rootWindow = BX.Landing.PageObject.getRootWindow();
bind(this.input, "click", this.onInputClick);
bind(rootWindow.document, "click", this.onDocumentClick.bind(this));
requestAnimationFrame(function() {
addPlaceholders(this.items, this, 0);
if (isArray(this.value))
{
this.value = this.value.map(function(value) {
return decodeDataValue(value);
});
this.setValue(this.value, true);
}
else
{
this.value = this.getValue();
this.content = this.value;
}
}.bind(this));
};
BX.Landing.UI.Field.MultiSelect.prototype = {
constructor: BX.Landing.UI.Field.MultiSelect,
__proto__: BX.Landing.UI.Field.BaseField.prototype,
/**
* Adds placeholder
* @param item
*/
addPlaceholder: function(item)
{
var placeholder = create("div", {
props: {className: "landing-ui-field-multiselect-placeholder"},
attrs: {'data-item': encodeDataValue(item), title: escapeHtml(item.name)},
children: [
create("span", {
props: {className: "landing-ui-field-multiselect-placeholder-text"},
html: escapeHtml(item.name)
}),
create("span", {
props: {className: "landing-ui-field-multiselect-placeholder-remove"},
events: {click: this.onPlaceholderRemoveClick.bind(this, item)}
})
]
});
append(placeholder, this.input);
},
/**
* Handles item remove event
* @param item
* @param event
* @param [preventEvent]
*/
onPlaceholderRemoveClick: function(item, event, preventEvent)
{
if (event)
{
event.preventDefault();
event.stopPropagation();
}
var placeholder = this.getPlaceholderByItem(item);
if (placeholder)
{
remove(placeholder);
this.adjustPopupPosition();
var field = this.fields.get(item.value);
if (field)
{
field.layout.querySelector("input").checked = false;
}
}
if (!preventEvent)
{
this.onValueChangeHandler(this);
}
},
onCheckboxChange: function(checkbox)
{
if (checkbox instanceof BX.Landing.UI.Field.Checkbox)
{
var value = checkbox.getValue();
if (value.length)
{
this.addPlaceholder(checkbox.items[0]);
this.adjustPopupPosition();
}
else
{
this.onPlaceholderRemoveClick(checkbox.items[0], null, true);
}
this.onValueChangeHandler(this);
}
},
/**
* Gets placeholder element by item
* @param item
* @return {?HTMLElement}
*/
getPlaceholderByItem: function(item)
{
return slice(this.input.children).find(function(element) {
return data(element, "data-item").value === item.value;
});
},
getPopup: function()
{
if (this.popup)
{
return this.popup;
}
this.popup = new BX.Main.Popup({
id: (this.selector + "_" + random()),
bindElement: this.input,
autoHide: true,
maxHeight: 142,
events: {
onPopupClose: function()
{
removeClass(this.input, "landing-ui-active");
if (hasClass(this.layout.parentElement.parentElement, "landing-ui-form-style"))
{
void style(this.layout.parentElement.parentElement, {
"z-index": null,
"position": null
});
}
}.bind(this)
}
});
if (this.popup.popupContainer)
{
addClass(this.popup.popupContainer, "landing-ui-field-multiselect-popup");
var parent = findParent(this.input, {className: "landing-ui-panel-content-body-content"}, document.body);
if (parent)
{
append(this.popup.popupContainer, parent);
}
}
return this.popup;
},
showPopup: function()
{
this.getPopup().show();
this.adjustPopupPosition();
this.setValue(this.getValue(), true);
},
adjustPopupPosition: function()
{
if (this.popup)
{
var offsetParent = findParent(this.input, {className: "landing-ui-panel-content-body-content"});
if (BX.Type.isDomNode(offsetParent))
{
var inputTop = offsetTop(this.input, offsetParent);
var inputLeft = offsetLeft(this.input, offsetParent);
var inputRect = this.input.getBoundingClientRect();
var offsetY = 2;
requestAnimationFrame(function() {
this.popup.popupContainer.style.top = inputTop + inputRect.height + offsetY + "px";
this.popup.popupContainer.style.left = inputLeft + "px";
this.popup.popupContainer.style.width = inputRect.width + "px";
}.bind(this));
}
}
},
onInputClick: function(event)
{
if (event)
{
event.stopPropagation();
}
var popup = this.getPopup();
if (popup.isShown())
{
removeClass(this.input, "landing-ui-active");
return popup.close();
}
addClass(this.input, "landing-ui-active");
return this.showPopup();
},
onButtonClick: function(event)
{
event.preventDefault();
event.stopPropagation();
this.onInputClick();
},
onDocumentClick: function()
{
this.getPopup().close();
},
getValue: function()
{
return slice(this.input.children).map(function(element) {
return data(element, "data-item").value;
});
},
isChanged: function()
{
var content = clone(this.content).sort();
var value = this.getValue().sort();
return JSON.stringify(content) !== JSON.stringify(value);
},
getItemByValue: function(items, value)
{
var result = null;
function findItem(items, value)
{
return items.forEach(function(item) {
// noinspection EqualityComparisonWithCoercionJS
if (value == item.value)
{
result = item;
return;
}
if (item.items)
{
findItem(item.items, value);
}
}, this)
}
findItem(items, value);
return result;
},
setValue: function(value, preventEvent)
{
if (isArray(value))
{
this.input.innerHTML = "";
value.forEach(function(itemValue) {
var item = this.getItemByValue(this.items, itemValue);
if (item)
{
this.addPlaceholder(item);
var checkbox = this.fields.find(function(field) {
return field.id === itemValue;
}.bind(this));
if (checkbox)
{
checkbox.setValue([itemValue]);
}
}
}, this);
}
if (!preventEvent)
{
this.onValueChangeHandler(this);
}
}
};
})();