VLEX/BPM-UI/node_modules/devextreme/ui/html_editor/modules/mentions.js

/**
 * DevExtreme (ui/html_editor/modules/mentions.js)
 * Version: 19.1.16
 * Build date: Tue Oct 18 2022
 *
 * Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";

function _typeof(obj) {
    "@babel/helpers - typeof";
    return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(obj) {
        return typeof obj
    } : function(obj) {
        return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj
    }, _typeof(obj)
}
Object.defineProperty(exports, "__esModule", {
    value: true
});
var _renderer = require("../../../core/renderer");
var _renderer2 = _interopRequireDefault(_renderer);
var _data = require("../../../core/utils/data");
var _type = require("../../../core/utils/type");
var _extend = require("../../../core/utils/extend");
var _dom = require("../../../core/utils/dom");
var _events = require("../../../events");
var _popup = require("./popup");
var _popup2 = _interopRequireDefault(_popup);
var _mention = require("../formats/mention");
var _mention2 = _interopRequireDefault(_mention);

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

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)
    }
    Object.defineProperty(Constructor, "prototype", {
        writable: false
    });
    return Constructor
}

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
        }
    });
    Object.defineProperty(subClass, "prototype", {
        writable: false
    });
    if (superClass) {
        _setPrototypeOf(subClass, superClass)
    }
}

function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : 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
    } else {
        if (void 0 !== call) {
            throw new TypeError("Derived constructors may only return object or undefined")
        }
    }
    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 {
        Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {}));
        return true
    } catch (e) {
        return false
    }
}

function _get() {
    if ("undefined" !== typeof Reflect && Reflect.get) {
        _get = Reflect.get.bind()
    } 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(arguments.length < 3 ? target : receiver)
            }
            return desc.value
        }
    }
    return _get.apply(this, arguments)
}

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

function _getPrototypeOf(o) {
    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function(o) {
        return o.__proto__ || Object.getPrototypeOf(o)
    };
    return _getPrototypeOf(o)
}
var USER_ACTION = "user";
var SILENT_ACTION = "silent";
var DEFAULT_MARKER = "@";
var KEY_CODES = {
    ARROW_UP: 38,
    ARROW_DOWN: 40,
    ARROW_LEFT: 37,
    ARROW_RIGHT: 39,
    ENTER: 13,
    ESCAPE: 27,
    SPACE: 32,
    PAGE_UP: 33,
    PAGE_DOWN: 34,
    END: 35,
    HOME: 36
};
var NAVIGATION_KEYS = [KEY_CODES.ARROW_LEFT, KEY_CODES.ARROW_RIGHT, KEY_CODES.PAGE_UP, KEY_CODES.PAGE_DOWN, KEY_CODES.END, KEY_CODES.HOME];
var ALLOWED_PREFIX_CHARS = [" ", "\n"];
var DISABLED_STATE_CLASS = "dx-state-disabled";
var MentionModule = function(_PopupModule) {
    _inherits(MentionModule, _PopupModule);
    var _super = _createSuper(MentionModule);

    function MentionModule(quill, options) {
        var _this;
        _classCallCheck(this, MentionModule);
        _this = _super.call(this, quill, options);
        _this._mentions = {};
        _this.editorInstance = options.editorInstance;
        options.mentions.forEach(function(item) {
            var marker = item.marker;
            if (!marker) {
                item.marker = marker = DEFAULT_MARKER
            }
            var template = item.template;
            if (template) {
                var preparedTemplate = _this.editorInstance._getTemplate(template);
                preparedTemplate && _mention2.default.addTemplate(marker, preparedTemplate)
            }
            _this._mentions[marker] = (0, _extend.extend)({}, _this._getDefaultOptions(), item)
        });
        _this._attachKeyboardHandlers();
        _this.editorInstance.addCleanCallback(_this.clean.bind(_assertThisInitialized(_this)));
        _this.quill.on("text-change", _this.onTextChange.bind(_assertThisInitialized(_this)));
        return _this
    }
    _createClass(MentionModule, [{
        key: "_getDefaultOptions",
        value: function() {
            var baseConfig = _get(_getPrototypeOf(MentionModule.prototype), "_getDefaultOptions", this).call(this);
            return (0, _extend.extend)(baseConfig, {
                itemTemplate: "item",
                valueExpr: "this",
                displayExpr: "this",
                template: null,
                searchExpr: null,
                searchTimeout: 500,
                minSearchLength: 0
            })
        }
    }, {
        key: "_attachKeyboardHandlers",
        value: function() {
            var _this2 = this;
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ARROW_UP
            }, this._moveToItem.bind(this, "prev"));
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ARROW_DOWN
            }, this._moveToItem.bind(this, "next"));
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ENTER
            }, this._selectItemHandler.bind(this));
            var enterBindings = this.quill.keyboard.bindings[KEY_CODES.ENTER];
            enterBindings.unshift(enterBindings.pop());
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ESCAPE
            }, this._escapeKeyHandler.bind(this));
            this.quill.keyboard.addBinding({
                key: KEY_CODES.SPACE
            }, this._selectItemHandler.bind(this));
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ARROW_LEFT,
                shiftKey: true
            }, this._ignoreKeyHandler.bind(this));
            this.quill.keyboard.addBinding({
                key: KEY_CODES.ARROW_RIGHT,
                shiftKey: true
            }, this._ignoreKeyHandler.bind(this));
            NAVIGATION_KEYS.forEach(function(key) {
                _this2.quill.keyboard.addBinding({
                    key: key
                }, _this2._ignoreKeyHandler.bind(_this2))
            })
        }
    }, {
        key: "_moveToItem",
        value: function(direction) {
            var dataSource = this._list.getDataSource();
            if (this._isMentionActive && !dataSource.isLoading()) {
                var $focusedItem = (0, _renderer2.default)(this._list.option("focusedElement"));
                var defaultItemPosition = "next" === direction ? "first" : "last";
                var $nextItem = $focusedItem[direction]();
                $nextItem = $nextItem.length ? $nextItem : this._activeListItems[defaultItemPosition]();
                this._list.option("focusedElement", (0, _dom.getPublicElement)($nextItem));
                this._list.scrollToItem($nextItem)
            }
            return !this._isMentionActive
        }
    }, {
        key: "_ignoreKeyHandler",
        value: function() {
            return !this._isMentionActive
        }
    }, {
        key: "_fitIntoRange",
        value: function(value, start, end) {
            if (value > end) {
                return start
            }
            if (value < start) {
                return end
            }
            return value
        }
    }, {
        key: "_selectItemHandler",
        value: function() {
            if (this._isMentionActive) {
                this._list.selectItem(this._list.option("focusedElement"))
            }
            return !this._isMentionActive
        }
    }, {
        key: "_escapeKeyHandler",
        value: function() {
            if (this._isMentionActive) {
                this._popup.hide()
            }
            return !this._isMentionActive
        }
    }, {
        key: "renderList",
        value: function($container, options) {
            this.compileGetters(this.options);
            _get(_getPrototypeOf(MentionModule.prototype), "renderList", this).call(this, $container, options)
        }
    }, {
        key: "compileGetters",
        value: function(_ref) {
            var displayExpr = _ref.displayExpr,
                valueExpr = _ref.valueExpr;
            this._valueGetter = (0, _data.compileGetter)(displayExpr);
            this._idGetter = (0, _data.compileGetter)(valueExpr)
        }
    }, {
        key: "_getListConfig",
        value: function(options) {
            var _this3 = this;
            var baseConfig = _get(_getPrototypeOf(MentionModule.prototype), "_getListConfig", this).call(this, options);
            return (0, _extend.extend)(baseConfig, {
                itemTemplate: this.options.itemTemplate,
                onContentReady: function() {
                    if (_this3._hasSearch) {
                        _this3._popup.repaint();
                        _this3._focusFirstElement();
                        _this3._hasSearch = false
                    }
                }
            })
        }
    }, {
        key: "insertEmbedContent",
        value: function() {
            var markerLength = this._activeMentionConfig.marker.length;
            var textLength = markerLength + this._searchValue.length;
            var caretPosition = this.getPosition();
            var startIndex = Math.max(0, caretPosition - markerLength);
            var selectedItem = this._list.option("selectedItem");
            var value = {
                value: this._valueGetter(selectedItem),
                id: this._idGetter(selectedItem),
                marker: this._activeMentionConfig.marker
            };
            setTimeout(function() {
                this.quill.insertText(startIndex, " ", SILENT_ACTION);
                this.quill.deleteText(startIndex + 1, textLength, SILENT_ACTION);
                this.quill.insertEmbed(startIndex, "mention", value);
                this.quill.setSelection(startIndex + 2)
            }.bind(this))
        }
    }, {
        key: "_getLastInsertOperation",
        value: function(ops) {
            var lastOperation = ops[ops.length - 1];
            var isLastOperationInsert = "insert" in lastOperation;
            if (isLastOperationInsert) {
                return lastOperation
            }
            var isLastOperationDelete = "delete" in lastOperation;
            if (isLastOperationDelete && ops.length >= 2) {
                var penultOperation = ops[ops.length - 2];
                var isPenultOperationInsert = "insert" in penultOperation;
                var isSelectionReplacing = isLastOperationDelete && isPenultOperationInsert;
                if (isSelectionReplacing) {
                    return penultOperation
                }
            }
            return null
        }
    }, {
        key: "onTextChange",
        value: function(newDelta, oldDelta, source) {
            if (source === USER_ACTION) {
                var lastOperation = newDelta.ops[newDelta.ops.length - 1];
                if (this._isMentionActive) {
                    this._processSearchValue(lastOperation) && this._filterList(this._searchValue)
                } else {
                    var ops = newDelta.ops;
                    var lastInsertOperation = this._getLastInsertOperation(ops);
                    if (lastInsertOperation) {
                        this.checkMentionRequest(lastInsertOperation, ops)
                    }
                }
            }
        }
    }, {
        key: "_processSearchValue",
        value: function(operation) {
            var isInsertOperation = "insert" in operation;
            if (isInsertOperation) {
                this._searchValue += operation.insert
            } else {
                if (!this._searchValue.length) {
                    this._popup.hide();
                    return false
                } else {
                    this._searchValue = this._searchValue.slice(0, -1)
                }
            }
            return true
        }
    }, {
        key: "checkMentionRequest",
        value: function(_ref2, ops) {
            var insert = _ref2.insert;
            var caret = this.quill.getSelection();
            if (!insert || !(0, _type.isString)(insert) || !caret || this._isMarkerPartOfText(ops[0].retain)) {
                return
            }
            this._activeMentionConfig = this._mentions[insert];
            if (this._activeMentionConfig) {
                this._updateList(this._activeMentionConfig);
                this.savePosition(caret.index);
                this._popup.option("position", this._popupPosition);
                this._searchValue = "";
                this._popup.show()
            }
        }
    }, {
        key: "_isMarkerPartOfText",
        value: function(retain) {
            if (!retain || ALLOWED_PREFIX_CHARS.indexOf(this._getCharByIndex(retain - 1)) !== -1) {
                return false
            }
            return true
        }
    }, {
        key: "_getCharByIndex",
        value: function(index) {
            return this.quill.getContents(index, 1).ops[0].insert
        }
    }, {
        key: "_updateList",
        value: function(_ref3) {
            var dataSource = _ref3.dataSource,
                displayExpr = _ref3.displayExpr,
                valueExpr = _ref3.valueExpr,
                itemTemplate = _ref3.itemTemplate,
                searchExpr = _ref3.searchExpr;
            this.compileGetters({
                displayExpr: displayExpr,
                valueExpr: valueExpr
            });
            this._list.unselectAll();
            this._list.option({
                dataSource: dataSource,
                displayExpr: displayExpr,
                itemTemplate: itemTemplate,
                searchExpr: searchExpr
            })
        }
    }, {
        key: "_filterList",
        value: function(searchValue) {
            var _this4 = this;
            if (!this._isMinSearchLengthExceeded(searchValue)) {
                this._resetFilter();
                return
            }
            var searchTimeout = this._activeMentionConfig.searchTimeout;
            if (searchTimeout) {
                clearTimeout(this._searchTimer);
                this._searchTimer = setTimeout(function() {
                    _this4._search(searchValue)
                }, searchTimeout)
            } else {
                this._search(searchValue)
            }
        }
    }, {
        key: "_isMinSearchLengthExceeded",
        value: function(searchValue) {
            return searchValue.length >= this._activeMentionConfig.minSearchLength
        }
    }, {
        key: "_resetFilter",
        value: function() {
            clearTimeout(this._searchTimer);
            this._search(null)
        }
    }, {
        key: "_search",
        value: function(searchValue) {
            this._hasSearch = true;
            this._list.option("searchValue", searchValue)
        }
    }, {
        key: "_focusFirstElement",
        value: function() {
            if (!this._list) {
                return
            }
            var $firstItem = this._activeListItems.first();
            this._list.option("focusedElement", (0, _dom.getPublicElement)($firstItem));
            this._list.scrollToItem($firstItem)
        }
    }, {
        key: "_popupPosition",
        get: function() {
            var position = this.getPosition();
            var _this$quill$getBounds = this.quill.getBounds(position ? position - 1 : position),
                mentionLeft = _this$quill$getBounds.left,
                mentionTop = _this$quill$getBounds.top,
                mentionHeight = _this$quill$getBounds.height;
            var _$$offset = (0, _renderer2.default)(this.quill.root).offset(),
                leftOffset = _$$offset.left,
                topOffset = _$$offset.top;
            var positionEvent = (0, _events.Event)("positionEvent", {
                pageX: leftOffset + mentionLeft,
                pageY: topOffset + mentionTop
            });
            return {
                of: positionEvent,
                offset: {
                    v: mentionHeight
                },
                my: "top left",
                at: "top left",
                collision: {
                    y: "flip",
                    x: "flipfit"
                }
            }
        }
    }, {
        key: "_getPopupConfig",
        value: function() {
            var _this5 = this;
            return (0, _extend.extend)(_get(_getPrototypeOf(MentionModule.prototype), "_getPopupConfig", this).call(this), {
                closeOnTargetScroll: false,
                onShown: function() {
                    _this5._isMentionActive = true;
                    _this5._hasSearch = false;
                    _this5._focusFirstElement()
                },
                onHidden: function() {
                    _this5._list.unselectAll();
                    _this5._list.option("focusedElement", null);
                    _this5._isMentionActive = false;
                    _this5._search(null)
                },
                focusStateEnabled: false
            })
        }
    }, {
        key: "_activeListItems",
        get: function() {
            return this._list.itemElements().filter(":not(.".concat(DISABLED_STATE_CLASS, ")"))
        }
    }, {
        key: "clean",
        value: function() {
            var _this6 = this;
            Object.keys(this._mentions).forEach(function(marker) {
                if (_this6._mentions[marker].template) {
                    _mention2.default.removeTemplate(marker)
                }
            })
        }
    }]);
    return MentionModule
}(_popup2.default);
exports.default = MentionModule;