devextreme/ui/file_manager/ui.file_manager.item_list.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (ui/file_manager/ui.file_manager.item_list.js)
 * Version: 20.1.7
 * Build date: Tue Aug 25 2020
 *
 * Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
var _extend = require("../../core/utils/extend");
var _deferred = require("../../core/utils/deferred");
var _double_click = require("../../events/double_click");
var _utils = require("../../events/utils");
var _events_engine = require("../../events/core/events_engine");
var _events_engine2 = _interopRequireDefault(_events_engine);
var _icon = require("../../core/utils/icon");
var _devices = require("../../core/devices");
var _devices2 = _interopRequireDefault(_devices);
var _custom_store = require("../../data/custom_store");
var _custom_store2 = _interopRequireDefault(_custom_store);
var _ui = require("../widget/ui.widget");
var _ui2 = _interopRequireDefault(_ui);

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        "default": obj
    }
}

function _typeof(obj) {
    "@babel/helpers - typeof";
    if ("function" === typeof Symbol && "symbol" === typeof Symbol.iterator) {
        _typeof = function(obj) {
            return typeof obj
        }
    } else {
        _typeof = function(obj) {
            return obj && "function" === typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj
        }
    }
    return _typeof(obj)
}

function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread()
}

function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
}

function _unsupportedIterableToArray(o, minLen) {
    if (!o) {
        return
    }
    if ("string" === typeof o) {
        return _arrayLikeToArray(o, minLen)
    }
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if ("Object" === n && o.constructor) {
        n = o.constructor.name
    }
    if ("Map" === n || "Set" === n) {
        return Array.from(o)
    }
    if ("Arguments" === n || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) {
        return _arrayLikeToArray(o, minLen)
    }
}

function _iterableToArray(iter) {
    if ("undefined" !== typeof Symbol && Symbol.iterator in Object(iter)) {
        return Array.from(iter)
    }
}

function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
        return _arrayLikeToArray(arr)
    }
}

function _arrayLikeToArray(arr, len) {
    if (null == len || len > arr.length) {
        len = arr.length
    }
    for (var i = 0, arr2 = new Array(len); i < len; i++) {
        arr2[i] = arr[i]
    }
    return arr2
}

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function")
    }
}

function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) {
            descriptor.writable = true
        }
        Object.defineProperty(target, descriptor.key, descriptor)
    }
}

function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) {
        _defineProperties(Constructor.prototype, protoProps)
    }
    if (staticProps) {
        _defineProperties(Constructor, staticProps)
    }
    return Constructor
}

function _get(target, property, receiver) {
    if ("undefined" !== typeof Reflect && Reflect.get) {
        _get = Reflect.get
    } else {
        _get = function(target, property, receiver) {
            var base = _superPropBase(target, property);
            if (!base) {
                return
            }
            var desc = Object.getOwnPropertyDescriptor(base, property);
            if (desc.get) {
                return desc.get.call(receiver)
            }
            return desc.value
        }
    }
    return _get(target, property, receiver || target)
}

function _superPropBase(object, property) {
    while (!Object.prototype.hasOwnProperty.call(object, property)) {
        object = _getPrototypeOf(object);
        if (null === object) {
            break
        }
    }
    return object
}

function _inherits(subClass, superClass) {
    if ("function" !== typeof superClass && null !== superClass) {
        throw new TypeError("Super expression must either be null or a function")
    }
    subClass.prototype = Object.create(superClass && superClass.prototype, {
        constructor: {
            value: subClass,
            writable: true,
            configurable: true
        }
    });
    if (superClass) {
        _setPrototypeOf(subClass, superClass)
    }
}

function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf || function(o, p) {
        o.__proto__ = p;
        return o
    };
    return _setPrototypeOf(o, p)
}

function _createSuper(Derived) {
    var hasNativeReflectConstruct = _isNativeReflectConstruct();
    return function() {
        var result, Super = _getPrototypeOf(Derived);
        if (hasNativeReflectConstruct) {
            var NewTarget = _getPrototypeOf(this).constructor;
            result = Reflect.construct(Super, arguments, NewTarget)
        } else {
            result = Super.apply(this, arguments)
        }
        return _possibleConstructorReturn(this, result)
    }
}

function _possibleConstructorReturn(self, call) {
    if (call && ("object" === _typeof(call) || "function" === typeof call)) {
        return call
    }
    return _assertThisInitialized(self)
}

function _assertThisInitialized(self) {
    if (void 0 === self) {
        throw new ReferenceError("this hasn't been initialised - super() hasn't been called")
    }
    return self
}

function _isNativeReflectConstruct() {
    if ("undefined" === typeof Reflect || !Reflect.construct) {
        return false
    }
    if (Reflect.construct.sham) {
        return false
    }
    if ("function" === typeof Proxy) {
        return true
    }
    try {
        Date.prototype.toString.call(Reflect.construct(Date, [], function() {}));
        return true
    } catch (e) {
        return false
    }
}

function _getPrototypeOf(o) {
    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function(o) {
        return o.__proto__ || Object.getPrototypeOf(o)
    };
    return _getPrototypeOf(o)
}
var FILE_MANAGER_FILES_VIEW_CLASS = "dx-filemanager-files-view";
var FILE_MANAGER_ITEM_LIST_ITEM_OPEN_EVENT_NAMESPACE = "dxFileManager_open";
var FileManagerItemListBase = function(_Widget) {
    _inherits(FileManagerItemListBase, _Widget);
    var _super = _createSuper(FileManagerItemListBase);

    function FileManagerItemListBase() {
        _classCallCheck(this, FileManagerItemListBase);
        return _super.apply(this, arguments)
    }
    _createClass(FileManagerItemListBase, [{
        key: "_init",
        value: function() {
            this._initActions();
            this._lockFocusedItemProcessing = false;
            this._focusedItemKey = this.option("focusedItemKey");
            _get(_getPrototypeOf(FileManagerItemListBase.prototype), "_init", this).call(this)
        }
    }, {
        key: "_initMarkup",
        value: function() {
            this.$element().addClass(FILE_MANAGER_FILES_VIEW_CLASS);
            var dblClickEventName = (0, _utils.addNamespace)(_double_click.name, FILE_MANAGER_ITEM_LIST_ITEM_OPEN_EVENT_NAMESPACE);
            _events_engine2.default.on(this.$element(), dblClickEventName, this._getItemSelector(), this._onItemDblClick.bind(this));
            _get(_getPrototypeOf(FileManagerItemListBase.prototype), "_initMarkup", this).call(this)
        }
    }, {
        key: "_initActions",
        value: function() {
            this._actions = {
                onError: this._createActionByOption("onError"),
                onSelectionChanged: this._createActionByOption("onSelectionChanged"),
                onFocusedItemChanged: this._createActionByOption("onFocusedItemChanged"),
                onSelectedItemOpened: this._createActionByOption("onSelectedItemOpened")
            }
        }
    }, {
        key: "_getDefaultOptions",
        value: function() {
            return (0, _extend.extend)(_get(_getPrototypeOf(FileManagerItemListBase.prototype), "_getDefaultOptions", this).call(this), {
                selectionMode: "single",
                selectedItemKeys: [],
                focusedItemKey: void 0,
                contextMenu: null,
                getItems: null,
                getItemThumbnail: null,
                onError: null,
                onSelectionChanged: null,
                onFocusedItemChanged: null,
                onSelectedItemOpened: null
            })
        }
    }, {
        key: "_optionChanged",
        value: function(args) {
            var name = args.name;
            switch (name) {
                case "selectionMode":
                case "contextMenu":
                case "getItems":
                case "getItemThumbnail":
                    this.repaint();
                    break;
                case "selectedItemKeys":
                    this._setSelectedItemKeys(args.value);
                    break;
                case "focusedItemKey":
                    if (!this._lockFocusedItemProcessing) {
                        this._setFocusedItemKey(args.value)
                    }
                    break;
                case "onError":
                case "onSelectedItemOpened":
                case "onSelectionChanged":
                case "onFocusedItemChanged":
                    this._actions[name] = this._createActionByOption(name);
                    break;
                default:
                    _get(_getPrototypeOf(FileManagerItemListBase.prototype), "_optionChanged", this).call(this, args)
            }
        }
    }, {
        key: "_getItems",
        value: function() {
            var _this = this;
            return this._getItemsInternal().done(function(itemInfos) {
                _this._itemCount = itemInfos.length;
                var parentDirectoryItem = _this._findParentDirectoryItem(itemInfos);
                _this._hasParentDirectoryItem = !!parentDirectoryItem;
                _this._parentDirectoryItemKey = parentDirectoryItem ? parentDirectoryItem.fileItem.key : null
            })
        }
    }, {
        key: "_getItemsInternal",
        value: function() {
            var itemsGetter = this.option("getItems");
            var itemsResult = itemsGetter ? itemsGetter() : [];
            return (0, _deferred.when)(itemsResult)
        }
    }, {
        key: "_raiseOnError",
        value: function(error) {
            this._actions.onError({
                error: error
            })
        }
    }, {
        key: "_raiseSelectionChanged",
        value: function(args) {
            this._actions.onSelectionChanged(args)
        }
    }, {
        key: "_raiseFocusedItemChanged",
        value: function(args) {
            this._actions.onFocusedItemChanged(args)
        }
    }, {
        key: "_raiseSelectedItemOpened",
        value: function(fileItemInfo) {
            this._actions.onSelectedItemOpened({
                fileItemInfo: fileItemInfo
            })
        }
    }, {
        key: "_tryRaiseSelectionChanged",
        value: function(_ref) {
            var _this2 = this;
            var selectedItemInfos = _ref.selectedItemInfos,
                selectedItems = _ref.selectedItems,
                selectedItemKeys = _ref.selectedItemKeys,
                currentSelectedItemKeys = _ref.currentSelectedItemKeys,
                currentDeselectedItemKeys = _ref.currentDeselectedItemKeys;
            var parentDirectoryItem = this._findParentDirectoryItem(this.getSelectedItems());
            if (parentDirectoryItem) {
                this._deselectItem(parentDirectoryItem)
            }
            var raiseEvent = !this._hasParentDirectoryItem;
            raiseEvent = raiseEvent || this._hasValidKeys(currentSelectedItemKeys) || this._hasValidKeys(currentDeselectedItemKeys);
            if (raiseEvent) {
                selectedItemInfos = this._filterOutItemByPredicate(selectedItemInfos, function(item) {
                    return item.fileItem.key === _this2._parentDirectoryItemKey
                });
                selectedItems = this._filterOutParentDirectory(selectedItems);
                selectedItemKeys = this._filterOutParentDirectoryKey(selectedItemKeys, true);
                currentSelectedItemKeys = this._filterOutParentDirectoryKey(currentSelectedItemKeys, true);
                currentDeselectedItemKeys = this._filterOutParentDirectoryKey(currentDeselectedItemKeys, true);
                this._raiseSelectionChanged({
                    selectedItemInfos: selectedItemInfos,
                    selectedItems: selectedItems,
                    selectedItemKeys: selectedItemKeys,
                    currentSelectedItemKeys: currentSelectedItemKeys,
                    currentDeselectedItemKeys: currentDeselectedItemKeys
                })
            }
        }
    }, {
        key: "_onFocusedItemChanged",
        value: function(args) {
            if (this._focusedItemKey === args.itemKey) {
                return
            }
            this._focusedItemKey = args.itemKey;
            this._lockFocusedItemProcessing = true;
            this.option("focusedItemKey", args.itemKey);
            this._lockFocusedItemProcessing = false;
            this._raiseFocusedItemChanged(args)
        }
    }, {
        key: "_getItemThumbnail",
        value: function(fileInfo) {
            var itemThumbnailGetter = this.option("getItemThumbnail");
            return itemThumbnailGetter ? itemThumbnailGetter(fileInfo) : {
                thumbnail: ""
            }
        }
    }, {
        key: "_getItemThumbnailContainer",
        value: function(fileInfo) {
            var _this$_getItemThumbna = this._getItemThumbnail(fileInfo),
                thumbnail = _this$_getItemThumbna.thumbnail,
                cssClass = _this$_getItemThumbna.cssClass;
            var $itemThumbnail = (0, _icon.getImageContainer)(thumbnail).addClass(this._getItemThumbnailCssClass());
            if (cssClass) {
                $itemThumbnail.addClass(cssClass)
            }
            return $itemThumbnail
        }
    }, {
        key: "_getItemThumbnailCssClass",
        value: function() {
            return ""
        }
    }, {
        key: "_getItemSelector",
        value: function() {}
    }, {
        key: "_onItemDblClick",
        value: function(e) {}
    }, {
        key: "_isDesktop",
        value: function() {
            return "desktop" === _devices2.default.real().deviceType
        }
    }, {
        key: "_showContextMenu",
        value: function(items, element, offset, targetFileItem) {
            this._contextMenu.showAt(items, element, offset, targetFileItem)
        }
    }, {
        key: "_findParentDirectoryItem",
        value: function(itemInfos) {
            for (var i = 0; i < itemInfos.length; i++) {
                var itemInfo = itemInfos[i];
                if (this._isParentDirectoryItem(itemInfo)) {
                    return itemInfo
                }
            }
            return null
        }
    }, {
        key: "_getFileItemsForContextMenu",
        value: function(fileItem) {
            var result = this.getSelectedItems();
            if (this._isParentDirectoryItem(fileItem)) {
                result.push(fileItem)
            }
            return result
        }
    }, {
        key: "_isParentDirectoryItem",
        value: function(itemInfo) {
            return itemInfo.fileItem.isParentFolder
        }
    }, {
        key: "_hasValidKeys",
        value: function(keys) {
            return keys.length > 1 || 1 === keys.length && keys[0] !== this._parentDirectoryItemKey
        }
    }, {
        key: "_filterOutParentDirectory",
        value: function(array, createNewArray) {
            var _this3 = this;
            return this._filterOutItemByPredicate(array, function(item) {
                return item.key === _this3._parentDirectoryItemKey
            }, createNewArray)
        }
    }, {
        key: "_filterOutParentDirectoryKey",
        value: function(array, createNewArray) {
            var _this4 = this;
            return this._filterOutItemByPredicate(array, function(key) {
                return key === _this4._parentDirectoryItemKey
            }, createNewArray)
        }
    }, {
        key: "_filterOutItemByPredicate",
        value: function(array, predicate, createNewArray) {
            var result = array;
            var index = -1;
            for (var i = 0; i < array.length; i++) {
                if (predicate(array[i])) {
                    index = i;
                    break
                }
            }
            if (index !== -1) {
                if (createNewArray) {
                    result = _toConsumableArray(array)
                }
                result.splice(index, 1)
            }
            return result
        }
    }, {
        key: "_isMultipleSelectionMode",
        value: function() {
            return "multiple" === this.option("selectionMode")
        }
    }, {
        key: "_deselectItem",
        value: function(item) {}
    }, {
        key: "_setSelectedItemKeys",
        value: function(itemKeys) {}
    }, {
        key: "_setFocusedItemKey",
        value: function(itemKey) {}
    }, {
        key: "_createDataSource",
        value: function() {
            return {
                store: new _custom_store2.default({
                    key: "fileItem.key",
                    load: this._getItems.bind(this)
                })
            }
        }
    }, {
        key: "getSelectedItems",
        value: function() {}
    }, {
        key: "clearSelection",
        value: function() {}
    }, {
        key: "selectItem",
        value: function() {}
    }, {
        key: "_contextMenu",
        get: function() {
            return this.option("contextMenu")
        }
    }]);
    return FileManagerItemListBase
}(_ui2.default);
module.exports = FileManagerItemListBase;