Your IP : 18.220.94.189
;(function() {
"use strict";
BX.namespace("BX.Landing.UI.Field");
var addClass = BX.Landing.Utils.addClass;
var removeClass = BX.Landing.Utils.removeClass;
var hasClass = BX.Landing.Utils.hasClass;
var isBoolean = BX.Landing.Utils.isBoolean;
var isArray = BX.Landing.Utils.isArray;
var create = BX.Landing.Utils.create;
var append = BX.Landing.Utils.append;
var insertAfter = BX.Landing.Utils.insertAfter;
var insertBefore = BX.Landing.Utils.insertBefore;
var attr = BX.Landing.Utils.attr;
var slice = BX.Landing.Utils.slice;
var style = BX.Landing.Utils.style;
var bind = BX.Landing.Utils.bind;
var unbind = BX.Landing.Utils.unbind;
var data = BX.Landing.Utils.data;
var remove = BX.Landing.Utils.remove;
var nextSibling = BX.Landing.Utils.nextSibling;
var prevSibling = BX.Landing.Utils.prevSibling;
var escapeHtml = BX.Landing.Utils.escapeHtml;
var findParent = BX.Landing.Utils.findParent;
var offsetTop = BX.Landing.Utils.offsetTop;
var offsetLeft = BX.Landing.Utils.offsetLeft;
/**
* @extends {BX.Landing.UI.Field.BaseField}
* @param data
* @constructor
*/
BX.Landing.UI.Field.DragAndDropList = function(data)
{
BX.Landing.UI.Field.BaseField.apply(this, arguments);
addClass(this.layout, "landing-ui-field-dnd-list");
this.isMultiple = isBoolean(data.multiple) ? data.multiple : false;
this.items = isArray(data.items) ? data.items : [];
this.value = isArray(data.value) ? data.value : [];
this.onDragStart = this.onDragStart.bind(this);
this.onDragEnd = this.onDragEnd.bind(this);
this.onDragOver = this.onDragOver.bind(this);
this.onItemDragOver = this.onItemDragOver.bind(this);
this.onItemDragLeave = this.onItemDragLeave.bind(this);
this.onDragLeave = this.onDragLeave.bind(this);
this.onDrop = this.onDrop.bind(this);
this.onDrag = this.onDrag.bind(this);
this.onRemoveClick = this.onRemoveClick.bind(this);
this.onElementClick = this.onElementClick.bind(this);
this.onMouseWheel = this.onMouseWheel.bind(this);
this.onMouseOver = this.onMouseOver.bind(this);
this.onMouseLeave = this.onMouseLeave.bind(this);
if (typeof window.onwheel !== "undefined")
{
this.wheelEventName = "wheel";
}
else if (typeof window.onmousewheel !== "undefined")
{
this.wheelEventName = "mousewheel";
}
this.target = create("div", {
props: {className: "landing-ui-field-dnd-target"},
children: [
create("div", {
props: {className: "landing-ui-field-dnd-target-browser-header"},
children: [
create("span"),
create("span"),
create("span")
]
})
]
});
this.addButton = new BX.Landing.UI.Button.BaseButton("add_catalog_item", {
onClick: this.onAddItemClick.bind(this),
className: "landing-ui-field-dnd-add-button"
});
this.valueArea = create("div", {
props: {classList: "landing-ui-field-dnd-list-value"}
});
this.itemsArea = create("div", {
props: {classList: "landing-ui-field-dnd-list-items"}
});
append(this.valueArea, this.target);
append(this.target, this.input);
append(this.addButton.layout, this.target);
bind(this.valueArea, "dragover", this.onDragOver);
bind(this.valueArea, "dragleave", this.onDragLeave);
bind(this.valueArea, "drop", this.onDrop);
this.items.forEach(function(item) {
append(this.createItem(item), this.itemsArea);
}, this);
this.value.forEach(function(value) {
var item = this.getItem(value);
if (item)
{
append(this.createItem(item), this.valueArea);
}
}, this);
this.adjustPlaceholder();
this.value = this.getValue();
};
BX.Landing.UI.Field.DragAndDropList.prototype = {
constructor: BX.Landing.UI.Field.DragAndDropList,
__proto__: BX.Landing.UI.Field.BaseField.prototype,
onDragStart: function(event)
{
this.dragItem = event.currentTarget;
this.dragIndex = slice(this.valueArea.children).findIndex(function(item) {
return item === event.currentTarget;
});
this.valueAreaRect = this.valueArea.getBoundingClientRect();
addClass(this.dragItem, "landing-ui-ondrag");
addClass(this.valueArea, "landing-ui-ondrag");
},
onDragEnd: function()
{
removeClass(this.valueArea, "landing-ui-over");
removeClass(this.dragItem, "landing-ui-ondrag");
removeClass(this.valueArea, "landing-ui-ondrag");
slice(this.valueArea.children).forEach(function(item) {
style(item, null);
});
this.cloned = null;
this.dragItem = null;
if (this.isChanged())
{
this.onValueChangeHandler(this);
this.value = this.getValue();
}
},
onDragOver: function(event)
{
event.preventDefault();
event.dataTransfer.dropEffect = "copy";
addClass(event.currentTarget, "landing-ui-over");
},
onItemDragOver: function(event)
{
var target = event.currentTarget;
if (this.itemsArea.contains(this.dragItem) || this.valueArea.contains(this.dragItem))
{
if (this.valueArea.contains(target) && target !== this.cloned)
{
var targetRect = target.getBoundingClientRect();
var targetMiddle = targetRect.top + (targetRect.height / 2);
if (!this.cloned && !this.valueArea.contains(this.dragItem))
{
this.cloned = this.createItemFromElement(this.dragItem);
append(this.cloned, this.valueArea);
}
if (!this.cloned && this.valueArea.contains(this.dragItem))
{
this.cloned = this.dragItem;
}
if (event.clientY > targetMiddle && nextSibling(target) !== this.cloned)
{
return insertAfter(this.cloned, target);
}
if (event.clientY < targetMiddle && prevSibling(target) !== this.cloned)
{
return insertBefore(this.cloned, target);
}
}
}
this.adjustPopupPosition();
},
onAddItemClick: function(event)
{
event.preventDefault();
event.stopPropagation();
if (!this.popup)
{
this.popup = new BX.Main.Popup({
id: "catalog_blocks_list",
bindElement: this.addButton.layout,
content: this.itemsArea,
autoHide: true,
height: 176
});
this.popup.contentContainer.style.overflowX = "hidden";
bind(this.popup.popupContainer, "mouseover", this.onMouseOver);
bind(this.popup.popupContainer, "mouseleave", this.onMouseLeave);
var rootWindow = BX.Landing.PageObject.getRootWindow();
bind(rootWindow.document, "click", this.onDocumentClick.bind(this));
append(
this.popup.popupContainer,
findParent(this.addButton.layout, {className: "landing-ui-panel-content-body-content"})
);
}
if (this.popup.isShown())
{
this.popup.close();
}
else
{
this.popup.show();
}
this.adjustPopupPosition();
},
onMouseOver: function()
{
bind(this.popup.popupContainer, this.wheelEventName, this.onMouseWheel);
bind(this.popup.popupContainer, "touchmove", this.onMouseWheel);
},
onMouseLeave: function()
{
unbind(this.popup.popupContainer, this.wheelEventName, this.onMouseWheel);
unbind(this.popup.popupContainer, "touchmove", this.onMouseWheel);
},
onMouseWheel: function(event)
{
event.stopPropagation();
event.preventDefault();
var delta = BX.Landing.UI.Panel.Content.getDeltaFromEvent(event);
var scrollTop = this.popup.contentContainer.scrollTop;
requestAnimationFrame(function() {
this.popup.contentContainer.scrollTop = scrollTop - delta.y;
}.bind(this));
},
/**
* @todo refactoring
*/
adjustPopupPosition: function()
{
if (this.popup)
{
requestAnimationFrame(function() {
var offsetParent = findParent(this.addButton.layout, {className: "landing-ui-panel-content-body-content"});
var buttonTop = offsetTop(this.addButton.layout, offsetParent);
var buttonLeft = offsetLeft(this.addButton.layout, offsetParent);
var buttonRect = this.addButton.layout.getBoundingClientRect();
var popupRect = this.popup.popupContainer.getBoundingClientRect();
var yOffset = 14;
this.popup.popupContainer.style.top = buttonTop + buttonRect.height + yOffset + "px";
this.popup.popupContainer.style.left = buttonLeft - (popupRect.width / 2) + (buttonRect.width / 2) + "px";
this.popup.setAngle({
offset: 71,
position: "top"
})
}.bind(this));
}
},
createItemFromElement: function(element)
{
var img = element.querySelector("img");
var options = {
name: element.innerText,
value: data(element, "value")
};
if (img)
{
options.image = img.src;
}
return this.createItem(options);
},
onDragLeave: function(event)
{
removeClass(event.currentTarget, "landing-ui-over");
},
onItemDragLeave: function(event)
{
event.stopPropagation();
},
onDrop: function(event)
{
event.stopPropagation();
if (this.itemsArea.contains(this.dragItem) || this.valueArea.contains(this.dragItem))
{
if (!this.valueArea.contains(this.dragItem) && !this.valueArea.contains(this.cloned))
{
var item = this.createItemFromElement(this.dragItem);
append(item, this.valueArea);
this.cloned = null;
this.adjustPlaceholder();
this.adjustPopupPosition();
}
}
if (this.isChanged())
{
this.onValueChangeHandler(this);
this.value = this.getValue();
}
},
onDrag: function(event)
{
if (this.cloned && this.valueArea.contains(this.cloned))
{
if (event.clientX > this.valueAreaRect.right)
{
remove(this.cloned);
this.cloned = null;
this.adjustPlaceholder();
this.adjustPopupPosition();
}
}
},
onRemoveClick: function(event)
{
event.preventDefault();
event.stopPropagation();
remove(event.currentTarget.parentNode);
this.adjustPlaceholder();
this.adjustPopupPosition();
if (this.isChanged())
{
this.onValueChangeHandler(this);
this.value = this.getValue();
}
},
onElementClick: function(event)
{
event.preventDefault();
event.stopPropagation();
if (this.itemsArea.contains(event.currentTarget))
{
var item = this.createItemFromElement(event.currentTarget);
append(item, this.valueArea);
this.adjustPlaceholder();
this.adjustPopupPosition();
}
if (this.isChanged())
{
this.onValueChangeHandler(this);
this.value = this.getValue();
}
},
getSelectedItem: function()
{
return (
slice(this.valueArea.children).find(function(item) {
return hasClass(item, "landing-ui-selected");
}) ||
slice(this.itemsArea.children).find(function(item) {
return hasClass(item, "landing-ui-selected");
})
)
},
onDocumentClick: function()
{
if (this.popup)
{
this.popup.close();
}
},
adjustPlaceholder: function()
{
if (slice(this.valueArea.children).length === 0)
{
this.placeholder = this.createValuePlaceholder();
append(this.placeholder, this.valueArea);
}
else if (this.placeholder)
{
remove(this.placeholder);
this.placeholder = null;
}
},
/**
* Gets item by value
* @param {*} value
* @return {?object}
*/
getItem: function(value)
{
return this.items.find(function(item) {
// noinspection EqualityComparisonWithCoercionJS
return item.value == value;
});
},
createValuePlaceholder: function()
{
return create("div", {
props: {className: "landing-ui-field-dnd-value-placeholder"},
children: [
create("span", {html: BX.Landing.Loc.getMessage("LANDING_FIELD_CATALOG_CONSTRUCTOR_PLACEHOLDER_TEXT")})
]
})
},
/**
* Creates list element
* @param {{name: String, value: *, [image]: string}} item
* @return {HTMLElement}
*/
createItem: function(item)
{
var element = create("div", {
props: {className: ("landing-ui-field-dnd-list-item" + (item.image ? " landing-ui-with-image" : ""))},
attrs: {title: item.name},
html: item.image ? create("img", {props: {src: item.image}}).outerHTML : escapeHtml(item.name)
});
var remove = create("span", {props: {className: "landing-ui-field-dnd-list-item-remove"}});
append(remove, element);
data(element, "data-value", item.value);
attr(element, "draggable", "true");
bind(element, "dragstart", this.onDragStart);
bind(element, "dragend", this.onDragEnd);
bind(element, "dragover", this.onItemDragOver);
bind(element, "dragleave", this.onItemDragLeave);
bind(element, "drag", this.onDrag);
bind(remove, "click", this.onRemoveClick);
bind(element, "click", this.onElementClick);
return element;
},
isChanged: function()
{
return JSON.stringify(this.value) !== JSON.stringify(this.getValue());
},
/**
* Gets value
* @return {Array}
*/
getValue: function()
{
var items = slice(this.valueArea.children);
items = items.filter(function(item) {
return hasClass(item, "landing-ui-field-dnd-list-item");
});
return items.map(function(item) {
return data(item, "data-value");
});
}
};
})();