all files / block-manager/actions/ formatting.js

94.27% Statements 247/262
87.79% Branches 115/131
90.91% Functions 30/33
94.64% Lines 247/261
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var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
define(["require", "exports", "../../common/utils/common", "../../common/utils/selection", "../../common/utils/block", "../../selection/selection", "../../common/utils/dom", "../../common/constant", "../../common/utils/transform", "../../common/utils/isformatted", "../../common/constant", "../../models/enums", "../../block-manager/services/index"], function (require, exports, common_1, selection_1, block_1, selection_2, dom_1, constant_1, transform_1, isformatted_1, constants, enums_1, index_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var FormattingAction = (function () {
        function FormattingAction(manager) {
            this.lastRemovedFormat = null;
            this.activeInlineFormats = new Set();
            this.formatCache = new WeakMap();
            this.ignoredContentTypes = new Set([enums_1.ContentType.Mention, enums_1.ContentType.Label]);
            this.ignoredBlockTypes = new Set([enums_1.BlockType.Callout, enums_1.BlockType.Image, enums_1.BlockType.Divider, enums_1.BlockType.Code]);
            this.parent = manager;
            this.nodeSelection = new selection_2.NodeSelection(this.parent.blockContainer);
            this.addEventListeners();
        }
        FormattingAction.prototype.addEventListeners = function () {
            this.parent.observer.on(constants.FORMATTINGACTION, this.execCommand, this);
            this.parent.observer.on(constant_1.events.destroy, this.destroy, this);
        };
        FormattingAction.prototype.removeEventListeners = function () {
            this.parent.observer.off(constants.FORMATTINGACTION, this.execCommand);
            this.parent.observer.off(constant_1.events.destroy, this.destroy);
        };
        FormattingAction.prototype.execCommand = function (options) {
            this.performOperation(options);
        };
        FormattingAction.prototype.performOperation = function (options) {
            var blocksToFormat = this.resolveBlocksToFormat();
            if (!blocksToFormat || blocksToFormat.length === 0) {
                return;
            }
            this.nodeSelection.saveSelection();
            var _a = this.applyFormattingToBlocks(blocksToFormat, options), blockIDs = _a.blockIDs, oldBlockModels = _a.oldBlockModels, updatedBlockModels = _a.updatedBlockModels;
            this.nodeSelection.restoreSelection();
            this.parent.undoRedoAction.trackFormattingForUndoRedo(blockIDs, oldBlockModels, updatedBlockModels, options.isTypingWithFormat, this.nodeSelection.savedSelectionState);
            this.parent.observer.notify('formatting-performed', options);
        };
        FormattingAction.prototype.applyFormattingToBlocks = function (blocks, options) {
            var blockIDs = [];
            var oldBlockModels = [];
            var updatedBlockModels = [];
            for (var _i = 0, blocks_1 = blocks; _i < blocks_1.length; _i++) {
                var block = blocks_1[_i];
                if (this.ignoredBlockTypes.has(block.blockType) || block.content.length <= 0) {
                    continue;
                }
                var contentEl = block_1.getBlockContentElement(this.parent.getBlockElementById(block.id));
                Iif (!contentEl || contentEl.textContent.trim() === '') {
                    continue;
                }
                blockIDs.push(block.id);
                oldBlockModels.push(common_1.decoupleReference(transform_1.sanitizeBlock(block)));
                this.processFormattingActions(block, options);
                this.removeRootContentId(block_1.getBlockContentElement(this.parent.getBlockElementById(block.id)));
                updatedBlockModels.push(common_1.decoupleReference(transform_1.sanitizeBlock(block)));
            }
            return { blockIDs: blockIDs, oldBlockModels: oldBlockModels, updatedBlockModels: updatedBlockModels };
        };
        FormattingAction.prototype.processFormattingActions = function (block, options) {
            var oldBlock = common_1.decoupleReference(transform_1.sanitizeBlock(block));
            var newContents = this.processContentModel(block, options);
            this.parent.blockService.updateContent(block.id, newContents);
            this.parent.stateManager.updateManagerBlocks();
            this.parent.observer.notify('modelChanged', { type: 'ReRenderBlockContent', state: {
                    data: [{ block: block, oldBlock: oldBlock }]
                } });
        };
        FormattingAction.prototype.processContentModel = function (block, options) {
            var newContent = [];
            var blockElement = this.parent.getBlockElementById(block.id);
            var range = this.getBlockSpecificRange(selection_1.getSelectedRange(), blockElement);
            var selectedContents = this.getSelectedContents(range, block.content, blockElement);
            var formatIntent = this.getFormatIntent(selectedContents, options.command);
            for (var _i = 0, _a = block.content; _i < _a.length; _i++) {
                var content = _a[_i];
                var contentText = content.content;
                var contentLength = contentText.length;
                var contentElement = block_1.getContentElementBasedOnId(content.id, blockElement);
                var isStartInsideContent = dom_1.isNodeInsideElement(range.startContainer, contentElement);
                var isEndInsideContent = dom_1.isNodeInsideElement(range.endContainer, contentElement);
                var isContentFullyInsideSelection = this.isContentFullyInsideSelection(contentElement, range);
                if ((!isStartInsideContent && !isEndInsideContent && !isContentFullyInsideSelection)
                    || this.ignoredContentTypes.has(content.contentType)) {
                    newContent.push(__assign({}, content));
                    continue;
                }
                var startContentElement = dom_1.findClosestParent(range.startContainer, "#" + content.id);
                var endContentElement = dom_1.findClosestParent(range.endContainer, "#" + content.id);
                var localOffsets = this.calculateLocalOffsets(contentLength, contentElement, isStartInsideContent, isEndInsideContent, range);
                var beforeText = contentText.substring(0, localOffsets.start);
                var selectedText = contentText.substring(localOffsets.start, localOffsets.end);
                var afterText = contentText.substring(localOffsets.end);
                var isMiddleNode = !isStartInsideContent && !isEndInsideContent && isContentFullyInsideSelection;
                var isOnlyContentSelected = (isStartInsideContent && isEndInsideContent && isContentFullyInsideSelection &&
                    (startContentElement === endContentElement) && (startContentElement === contentElement));
                if (beforeText) {
                    newContent.push(this.processSurroundSegment(beforeText, content, false));
                }
                if (selectedText) {
                    newContent.push(this.processSelectedSegment(options, selectedText, content, !isOnlyContentSelected, formatIntent, isMiddleNode));
                }
                if (afterText) {
                    newContent.push(this.processSurroundSegment(afterText, content, true));
                }
            }
            return newContent;
        };
        FormattingAction.prototype.processSurroundSegment = function (text, content, isAfterText) {
            var newId = isAfterText ? common_1.generateUniqueId(constants.CONTENT_ID_PREFIX) : null;
            var processedContent = index_1.BlockFactory.createContentFromPartial(__assign({}, common_1.decoupleReference(transform_1.sanitizeContent(content)), { id: newId, content: text }));
            return processedContent;
        };
        FormattingAction.prototype.processSelectedSegment = function (options, selectedText, content, shouldForce, formatIntent, isMiddleNode) {
            var selectedContent = common_1.decoupleReference(transform_1.sanitizeContent(content));
            if (!isMiddleNode) {
                var newId = common_1.generateUniqueId(constants.CONTENT_ID_PREFIX);
                selectedContent = index_1.BlockFactory.createContentFromPartial(__assign({}, selectedContent, { id: newId, content: selectedText }));
            }
            return this.toggleFormat(selectedContent, options, shouldForce, formatIntent);
        };
        FormattingAction.prototype.toggleFormat = function (content, options, force, formatIntent) {
            if (!options.command && (content.contentType === enums_1.ContentType.Link || options.subCommand === enums_1.ContentType.Link)) {
                return this.parent.blockService.applyLinkFormatting(content, options.value);
            }
            return this.parent.blockService.toggleContentStyles(content, options.command, force, formatIntent, options.value);
        };
        FormattingAction.prototype.handleTypingWithActiveFormats = function () {
            var _this = this;
            var selection = window.getSelection();
            if (!selection.isCollapsed) {
                return false;
            }
            var range = selection.getRangeAt(0);
            var currentNode = range.startContainer;
            var blockElement = dom_1.findClosestParent(range.startContainer, '.' + constants.BLOCK_CLS);
            var contentElement = block_1.getBlockContentElement(blockElement);
            var absoluteOffset = common_1.getAbsoluteOffset(contentElement, range.startContainer, range.startOffset);
            if (this.lastRemovedFormat && this.isNodeFormattedWith(currentNode, this.lastRemovedFormat)) {
                return this.removeFormatToLastCharacter(blockElement, contentElement, range, absoluteOffset);
            }
            if (this.areAllActiveFormatsApplied(currentNode)) {
                return false;
            }
            this.parent.stateManager.updateContentOnUserTyping(blockElement);
            var createdRange = this.nodeSelection.createRangeWithOffsets(range.startContainer, range.startContainer, range.startOffset - 1, range.startOffset);
            this.activeInlineFormats.forEach(function (format) {
                Iif (_this.isNodeFormattedWith(currentNode, format)) {
                    return;
                }
                _this.execCommand({ command: format, isTypingWithFormat: true });
            });
            createdRange.collapse(false);
            this.parent.editorMethods.selectRange(createdRange);
            selection_1.setCursorPosition(contentElement, absoluteOffset);
            return true;
        };
        FormattingAction.prototype.removeFormatToLastCharacter = function (blockElement, contentElement, range, absoluteOffset) {
            this.parent.stateManager.updateContentOnUserTyping(blockElement);
            var createdRange = this.nodeSelection.createRangeWithOffsets(range.startContainer, range.startContainer, range.startOffset - 1, range.startOffset);
            this.execCommand({ command: this.lastRemovedFormat, isTypingWithFormat: true });
            this.lastRemovedFormat = null;
            createdRange.collapse(false);
            this.parent.editorMethods.selectRange(createdRange);
            selection_1.setCursorPosition(contentElement, absoluteOffset);
            return true;
        };
        FormattingAction.prototype.toggleActiveFormats = function (command) {
            if (this.activeInlineFormats.has(command)) {
                this.activeInlineFormats.delete(command);
                this.lastRemovedFormat = command;
            }
            else {
                this.activeInlineFormats.add(command);
                this.lastRemovedFormat = null;
            }
        };
        FormattingAction.prototype.getBlockSpecificRange = function (globalRange, blockElement) {
            var contentElement = block_1.getBlockContentElement(blockElement);
            var blockRange = document.createRange();
            var startTextNode = contentElement.firstChild.nodeType === Node.ELEMENT_NODE
                ? (common_1.getDeepestTextNode(contentElement.firstChild) || contentElement.firstChild) : contentElement.firstChild;
            var endTextNode = contentElement.lastChild.nodeType === Node.ELEMENT_NODE ?
                (common_1.getDeepestTextNode(contentElement.lastChild) || contentElement.lastChild) : contentElement.lastChild;
            var tableEle = blockElement.closest('.' + constants.TABLE_BLOCK_CLS);
            var hasActiveSel = this.parent.tableSelectionManager.hasActiveTableSelection(tableEle);
            blockRange.selectNodeContents(contentElement);
            blockRange.setStart(startTextNode, 0);
            blockRange.setEnd(endTextNode, endTextNode.textContent.length);
            if (!globalRange || hasActiveSel) {
                return blockRange;
            }
            if (dom_1.isNodeInsideElement(globalRange.startContainer, blockElement)) {
                blockRange.setStart(globalRange.startContainer, globalRange.startOffset);
            }
            if (dom_1.isNodeInsideElement(globalRange.endContainer, blockElement)) {
                blockRange.setEnd(globalRange.endContainer, globalRange.endOffset);
            }
            return blockRange;
        };
        FormattingAction.prototype.isContentFullyInsideSelection = function (contentElement, range) {
            var selectionRange = range.cloneRange();
            var contentRange = document.createRange();
            contentRange.selectNodeContents(contentElement);
            return selectionRange.compareBoundaryPoints(Range.START_TO_END, contentRange) > 0 &&
                selectionRange.compareBoundaryPoints(Range.END_TO_START, contentRange) < 0;
        };
        FormattingAction.prototype.calculateLocalOffsets = function (contentLength, contentElement, isStartInsideContent, isEndInsideContent, range) {
            var localStart = 0;
            var localEnd = contentLength;
            if (isStartInsideContent) {
                localStart = range.startOffset + selection_1.getTextOffset(range.startContainer, contentElement);
            }
            if (isEndInsideContent) {
                localEnd = range.endOffset + selection_1.getTextOffset(range.endContainer, contentElement);
            }
            localStart = Math.max(0, Math.min(contentLength, localStart));
            localEnd = Math.max(localStart, Math.min(contentLength, localEnd));
            return { start: localStart, end: localEnd };
        };
        FormattingAction.prototype.getFormatIntent = function (selectedContents, format) {
            for (var _i = 0, selectedContents_1 = selectedContents; _i < selectedContents_1.length; _i++) {
                var content = selectedContents_1[_i];
                var styles = content.properties.styles;
                if (this.ignoredContentTypes.has(content.contentType) || (styles && format in styles && styles[format])) {
                    continue;
                }
                return true;
            }
            return false;
        };
        FormattingAction.prototype.getSelectedContents = function (range, contents, blockElement) {
            var selected = [];
            var normalizedRange = common_1.normalizeRange(this.getBlockSpecificRange(range, blockElement));
            for (var _i = 0, contents_1 = contents; _i < contents_1.length; _i++) {
                var content = contents_1[_i];
                var contentElement = block_1.getContentElementBasedOnId(content.id, blockElement);
                var isStartInside = dom_1.isNodeInsideElement(normalizedRange.startContainer, contentElement);
                var isEndInside = dom_1.isNodeInsideElement(normalizedRange.endContainer, contentElement);
                var isFullyInside = this.isContentFullyInsideSelection(contentElement, normalizedRange);
                if (isStartInside || isEndInside || isFullyInside) {
                    selected.push(content);
                }
            }
            return selected;
        };
        FormattingAction.prototype.areAllActiveFormatsApplied = function (node) {
            var _this = this;
            var allApplied = true;
            this.activeInlineFormats.forEach(function (format) {
                if (!_this.isNodeFormattedWith(node, format)) {
                    allApplied = false;
                }
            });
            return allApplied;
        };
        FormattingAction.prototype.isNodeFormattedWith = function (node, format) {
            var currentElement = node.nodeType === Node.TEXT_NODE ?
                node.parentElement : node;
            if (currentElement && this.formatCache.has(currentElement)) {
                return this.formatCache.get(currentElement).has(format);
            }
            var formats = new Set();
            while (currentElement) {
                if (this.doesElementHaveFormat(currentElement, format)) {
                    formats.add(format);
                }
                if (currentElement.id) {
                    break;
                }
                currentElement = currentElement.parentElement;
            }
            if (currentElement) {
                this.formatCache.set(currentElement, formats);
            }
            return formats.has(format);
        };
        FormattingAction.prototype.doesElementHaveFormat = function (element, format) {
            switch (format) {
                case 'bold':
                    return isformatted_1.FormattingHelper.isBold(element);
                case 'italic':
                    return isformatted_1.FormattingHelper.isItalic(element);
                case 'underline':
                    return isformatted_1.FormattingHelper.isUnderline(element);
                case 'strikethrough':
                    return isformatted_1.FormattingHelper.isStrikethrough(element);
                default:
                    return false;
            }
        };
        FormattingAction.prototype.removeRootContentId = function (contentElement) {
            if (contentElement.id && contentElement.firstChild.nodeType === Node.ELEMENT_NODE) {
                contentElement.removeAttribute('id');
            }
        };
        FormattingAction.prototype.resolveBlocksToFormat = function () {
            var selectedBlocks = this.parent.editorMethods.getSelectedBlocks();
            var range = selection_1.getSelectedRange();
            if (selectedBlocks && selectedBlocks.length > 0) {
                return this.expandSelectedBlocks(selectedBlocks);
            }
            Iif ((!range) && (!selectedBlocks || selectedBlocks.length === 0)) {
                return this.getSelectedCellBlocksFromTable();
            }
            return [];
        };
        FormattingAction.prototype.expandSelectedBlocks = function (selectedBlocks) {
            var result = [];
            for (var _i = 0, selectedBlocks_1 = selectedBlocks; _i < selectedBlocks_1.length; _i++) {
                var block = selectedBlocks_1[_i];
                if (block.blockType === enums_1.BlockType.Table) {
                    var tableEl = this.parent.getBlockElementById(block.id);
                    result.push.apply(result, this.parent.tableSelectionManager.getAllCellBlocks(tableEl));
                }
                else {
                    result.push(block);
                }
            }
            return result;
        };
        FormattingAction.prototype.getSelectedCellBlocksFromTable = function () {
            var tableCtx = this.parent.blockRenderer.tableRenderer.resolveTableContext();
            if (tableCtx && tableCtx.tableBlockEl) {
                return this.parent.tableSelectionManager.getSelectedCellBlocks(tableCtx.tableBlockEl);
            }
            return [];
        };
        FormattingAction.prototype.destroy = function () {
            this.removeEventListeners();
            this.lastRemovedFormat = null;
            this.activeInlineFormats = null;
            this.nodeSelection = null;
            this.formatCache = null;
            this.activeInlineFormats = null;
            this.ignoredContentTypes = null;
            this.ignoredBlockTypes = null;
        };
        return FormattingAction;
    }());
    exports.FormattingAction = FormattingAction;
});