devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/html_editor/modules/tableResizing.js)
* Version: 23.2.6
* Build date: Wed May 01 2024
*
* Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
getOuterWidth,
getOuterHeight,
getHeight
} from "../../../core/utils/size";
import $ from "../../../core/renderer";
import eventsEngine from "../../../events/core/events_engine";
import {
isDefined
} from "../../../core/utils/type";
import {
addNamespace
} from "../../../events/utils/index";
import _windowResizeCallbacks from "../../../core/utils/resize_callbacks";
import {
move
} from "../../../animation/translator";
import {
getBoundingRect
} from "../../../core/utils/position";
import BaseModule from "./base";
import Draggable from "../../draggable";
import {
each
} from "../../../core/utils/iterator";
import {
getWindow,
hasWindow
} from "../../../core/utils/window";
import {
extend
} from "../../../core/utils/extend";
import {
setLineElementsFormat,
getLineElements,
getAutoSizedElements,
getColumnElements,
unfixTableWidth
} from "../utils/table_helper";
var DX_COLUMN_RESIZE_FRAME_CLASS = "dx-table-resize-frame";
var DX_COLUMN_RESIZER_CLASS = "dx-htmleditor-column-resizer";
var DX_ROW_RESIZER_CLASS = "dx-htmleditor-row-resizer";
var DEFAULTS = {
minColumnWidth: 40,
minRowHeight: 24
};
var DRAGGABLE_ELEMENT_OFFSET = 2;
var ROUGH_OFFSET = 3;
var MODULE_NAMESPACE = "dxHtmlTableResizingModule";
var POINTERDOWN_EVENT = addNamespace("dxpointerdown", MODULE_NAMESPACE);
var SCROLL_EVENT = addNamespace("scroll", MODULE_NAMESPACE);
export default class TableResizingModule extends BaseModule {
constructor(quill, options) {
super(quill, options);
this.enabled = !!options.enabled;
this._tableResizeFrames = [];
this._minColumnWidth = this._minSizeLimit("minColumnWidth", options.minColumnWidth);
this._minRowHeight = this._minSizeLimit("minRowHeight", options.minRowHeight);
this._quillContainer = this.editorInstance._getQuillContainer();
this._tableData = [];
if (this.enabled) {
this._applyResizing()
}
}
_applyResizing(forcedStart) {
if (forcedStart) {
this._applyResizingImpl()
} else {
this.editorInstance.addContentInitializedCallback(this._applyResizingImpl.bind(this))
}
this.addCleanCallback(this.clean.bind(this));
this._resizeHandlerWithContext = _windowResizeCallbacks.add(this._resizeHandler.bind(this))
}
_minSizeLimit(propertyName, newValue) {
return isDefined(newValue) ? Math.max(newValue, 0) : DEFAULTS[propertyName]
}
_applyResizingImpl() {
var $tables = this._findTables();
if ($tables.length) {
this._fixTablesWidths($tables);
this._createResizeFrames($tables);
this._updateFramesPositions();
this._updateFramesSeparators()
}
this._attachEvents()
}
_attachEvents() {
eventsEngine.on(this.editorInstance._getContent(), SCROLL_EVENT, this._updateFramesPositions.bind(this));
this.quill.on("text-change", this._getQuillTextChangeHandler())
}
_detachEvents() {
eventsEngine.off(this.editorInstance._getContent(), MODULE_NAMESPACE);
this.quill.off("text-change", this._quillTextChangeHandler)
}
_getQuillTextChangeHandler(delta, oldContent, source) {
return (delta, oldContent, source) => {
if (this._isTableChanging()) {
var $tables = this._findTables();
this._removeResizeFrames();
if ("api" === source) {
this._fixTablesWidths($tables)
}
this._updateTablesColumnsWidth($tables);
this._createResizeFrames($tables);
this._updateFramesPositions();
this._updateFramesSeparators()
} else {
this._updateFramesPositions();
if (!this._isDragging) {
this._updateFramesSeparators()
}
}
}
}
_getFrameForTable($table) {
var _this$_framesForTable;
return null === (_this$_framesForTable = this._framesForTables) || void 0 === _this$_framesForTable ? void 0 : _this$_framesForTable.get($table.get(0))
}
_resizeHandler() {
this._windowResizeTimeout = setTimeout(() => {
var $tables = this._findTables();
each($tables, (index, table) => {
var $table = $(table);
var frame = this._tableResizeFrames[index];
var actualTableWidth = getOuterWidth($table);
var lastTableWidth = this._tableLastWidth(frame);
if (Math.abs(actualTableWidth - lastTableWidth) > 1) {
this._tableLastWidth(frame, actualTableWidth);
this._updateColumnsWidth($table, index)
}
});
this._updateFramesPositions();
this._updateFramesSeparators()
})
}
_findTables() {
return $(this._quillContainer).find("table")
}
_getWidthStyleValue($element) {
var styleValue = $element[0].style.width;
return "" !== styleValue ? parseInt(styleValue) : void 0
}
_tableLastWidth(frame, newValue) {
if (isDefined(newValue)) {
frame.lastWidth = newValue
} else {
return null === frame || void 0 === frame ? void 0 : frame.lastWidth
}
}
_fixTablesWidths($tables) {
each($tables, (index, table) => {
var $table = $(table);
var $columnElements = this._getTableDeterminantElements($table, "horizontal");
if (!this._tableResizeFrames[index]) {
this._tableResizeFrames[index] = {
lastWidth: void 0
}
}
var frame = this._getFrameForTable($table);
if (!frame) {
this._tableResizeFrames.push({
$table: $table
})
}
if (0 === getAutoSizedElements($table).length) {
var _this$_tableLastWidth;
var {
columnsSum: columnsSum
} = this._getColumnElementsSum($columnElements);
unfixTableWidth($table, {
quill: this.quill
});
var tableWidth = null !== (_this$_tableLastWidth = this._tableLastWidth(frame)) && void 0 !== _this$_tableLastWidth ? _this$_tableLastWidth : getOuterWidth($table);
if (frame) {
this._tableLastWidth(frame, Math.max(columnsSum, tableWidth))
}
}
})
}
_createResizeFrames($tables) {
this._framesForTables = new Map;
$tables.each((index, table) => {
var _this$_tableResizeFra;
var $table = $(table);
var $lastTable = null === (_this$_tableResizeFra = this._tableResizeFrames[index]) || void 0 === _this$_tableResizeFra ? void 0 : _this$_tableResizeFra.$table;
var $tableLastWidth = this._tableResizeFrames[index].lastWidth;
this._tableResizeFrames[index] = {
$frame: this._createTableResizeFrame(table),
$table: $table,
index: index,
lastWidth: $lastTable && table === $lastTable.get(0) ? $tableLastWidth : void 0,
columnsCount: this._getTableDeterminantElements($table, "horizontal").length,
rowsCount: this._getTableDeterminantElements($table, "vertical").length
};
this._framesForTables.set(table, this._tableResizeFrames[index])
});
this._tableResizeFrames.length = $tables.length
}
_isTableChanging() {
var $tables = this._findTables();
var result = false;
if ($tables.length !== this._tableResizeFrames.length) {
result = true
} else {
each($tables, (index, table) => {
var $table = $(table);
var frame = this._tableResizeFrames[index];
var isColumnsCountChanged = (null === frame || void 0 === frame ? void 0 : frame.columnsCount) !== this._getTableDeterminantElements($table, "horizontal").length;
var isRowCountChanged = (null === frame || void 0 === frame ? void 0 : frame.rowsCount) !== this._getTableDeterminantElements($table, "vertical").length;
if (isColumnsCountChanged || isRowCountChanged) {
result = true;
return false
}
})
}
return result
}
_removeResizeFrames(clearArray) {
var _this$_framesForTable2;
each(this._tableResizeFrames, (index, resizeFrame) => {
if (resizeFrame.$frame) {
var _resizeFrame$$frame;
var resizerElementsSelector = ".".concat(DX_COLUMN_RESIZER_CLASS, ", .").concat(DX_ROW_RESIZER_CLASS);
this._detachSeparatorEvents(null === (_resizeFrame$$frame = resizeFrame.$frame) || void 0 === _resizeFrame$$frame ? void 0 : _resizeFrame$$frame.find(resizerElementsSelector));
resizeFrame.$frame.remove()
}
});
null === (_this$_framesForTable2 = this._framesForTables) || void 0 === _this$_framesForTable2 ? void 0 : _this$_framesForTable2.clear();
if (clearArray) {
this._tableResizeFrames = []
}
}
_detachSeparatorEvents($lineSeparators) {
$lineSeparators.each((i, $lineSeparator) => {
eventsEngine.off($lineSeparator, POINTERDOWN_EVENT)
})
}
_createTableResizeFrame() {
return $("<div>").addClass(DX_COLUMN_RESIZE_FRAME_CLASS).appendTo(this._quillContainer)
}
_updateFramesPositions() {
each(this._tableResizeFrames, (index, tableResizeFrame) => {
this._updateFramePosition(tableResizeFrame.$table, tableResizeFrame.$frame)
})
}
_updateFramePosition($table, $frame) {
var {
height: height,
width: width,
top: targetTop,
left: targetLeft
} = getBoundingRect($table.get(0));
var {
top: containerTop,
left: containerLeft
} = getBoundingRect(this.quill.root);
$frame.css({
height: height,
width: width,
top: targetTop - containerTop,
left: targetLeft - containerLeft
});
move($frame, {
left: 0,
top: 0
})
}
_updateFramesSeparators(direction) {
each(this._tableResizeFrames, (index, frame) => {
if (direction) {
this._updateFrameSeparators(frame, direction)
} else {
this._updateFrameSeparators(frame, "vertical");
this._updateFrameSeparators(frame, "horizontal")
}
})
}
_isDraggable($element) {
return $element.hasClass("dx-draggable") && $element.is(":visible")
}
_removeDraggable($currentLineSeparator, lineResizerClass) {
if (this._isDraggable($currentLineSeparator)) {
var draggable = $($currentLineSeparator).dxDraggable("instance");
draggable.dispose();
$($currentLineSeparator).addClass(lineResizerClass)
}
}
_getDirectionInfo(direction) {
if ("vertical" === direction) {
return {
lineResizerClass: DX_ROW_RESIZER_CLASS,
sizeFunction: x => getOuterHeight(x),
positionCoordinate: "top",
positionStyleProperty: "height",
positionCoordinateName: "y"
}
} else {
return {
lineResizerClass: DX_COLUMN_RESIZER_CLASS,
sizeFunction: x => getOuterWidth(x),
positionCoordinate: this.editorInstance.option("rtlEnabled") ? "right" : "left",
positionStyleProperty: "width",
positionCoordinateName: "x"
}
}
}
_getSize($element, directionInfo) {
return directionInfo.sizeFunction($element)
}
_updateFrameSeparators(frame, direction) {
var $determinantElements = this._getTableDeterminantElements(frame.$table, direction);
var determinantElementsCount = $determinantElements.length;
var determinantElementsSeparatorsCount = determinantElementsCount - 1;
var directionInfo = this._getDirectionInfo(direction);
var lineSeparators = frame.$frame.find(".".concat(directionInfo.lineResizerClass));
var styleOptions = {
transform: "none"
};
var currentPosition = 0;
for (var i = 0; i <= determinantElementsSeparatorsCount; i++) {
currentPosition += this._getSize($determinantElements.eq(i), directionInfo);
if (!isDefined(lineSeparators[i])) {
lineSeparators[i] = $("<div>").addClass(directionInfo.lineResizerClass).appendTo(frame.$frame).get(0)
}
var $currentLineSeparator = $(lineSeparators[i]);
this._removeDraggable($currentLineSeparator, directionInfo.lineResizerClass);
styleOptions[directionInfo.positionCoordinate] = currentPosition - DRAGGABLE_ELEMENT_OFFSET;
$($currentLineSeparator).css(styleOptions);
var attachSeparatorData = {
lineSeparator: lineSeparators[i],
index: i,
$determinantElements: $determinantElements,
frame: frame,
direction: direction
};
this._attachColumnSeparatorEvents(attachSeparatorData)
}
}
_getTableDeterminantElements($table, direction) {
if ("vertical" === direction) {
return $table.find("th:first-child, td:first-child")
} else {
return getColumnElements($table)
}
}
_attachColumnSeparatorEvents(options) {
eventsEngine.on(options.lineSeparator, POINTERDOWN_EVENT, () => {
this._createDraggableElement(options)
})
}
_dragStartHandler(_ref) {
var {
$determinantElements: $determinantElements,
index: index,
frame: frame,
direction: direction,
lineSeparator: lineSeparator
} = _ref;
var directionInfo = this._getDirectionInfo(direction);
this._isDragging = true;
this._fixColumnsWidth(frame.$table);
this._startLineSize = parseInt(this._getSize($($determinantElements[index]), directionInfo));
this._startTableWidth = getOuterWidth(frame.$table);
this._startLineSeparatorPosition = parseInt($(lineSeparator).css(directionInfo.positionCoordinate));
this._nextLineSize = 0;
if ($determinantElements[index + 1]) {
this._nextLineSize = parseInt(this._getSize($($determinantElements[index + 1]), directionInfo))
} else if ("horizontal" === direction) {
unfixTableWidth(frame.$table, {
quill: this.quill
})
}
}
_shouldRevertOffset(direction) {
return "horizontal" === direction && this.editorInstance.option("rtlEnabled")
}
_isNextColumnWidthEnough(nextColumnNewSize, $nextColumnElement, eventOffset) {
if (!this._nextLineSize) {
return true
} else if (nextColumnNewSize >= this._minColumnWidth) {
var isWidthIncreased = this._nextColumnOffsetLimit ? eventOffset < this._nextColumnOffsetLimit : eventOffset < 0;
var isWidthLimited = Math.abs(this._getWidthStyleValue($nextColumnElement) - getOuterWidth($nextColumnElement)) > ROUGH_OFFSET;
return isWidthIncreased || !isWidthLimited
}
return false
}
_shouldSetNextColumnWidth(nextColumnNewSize) {
return this._nextLineSize && nextColumnNewSize > 0
}
_horizontalDragHandler(_ref2) {
var {
currentLineNewSize: currentLineNewSize,
directionInfo: directionInfo,
eventOffset: eventOffset,
$determinantElements: $determinantElements,
index: index,
frame: frame
} = _ref2;
var nextColumnNewSize = this._nextLineSize && this._nextLineSize - eventOffset;
var isCurrentColumnWidthEnough = currentLineNewSize >= this._minColumnWidth;
var $lineElements = getLineElements(frame.$table, index);
var $nextLineElements = getLineElements(frame.$table, index + 1);
var realWidthDiff = getOuterWidth($lineElements.eq(0)) - currentLineNewSize;
if (isCurrentColumnWidthEnough) {
if (this._isNextColumnWidthEnough(nextColumnNewSize, $determinantElements.eq(index + 1), eventOffset)) {
setLineElementsFormat(this, {
elements: $lineElements,
property: directionInfo.positionStyleProperty,
value: currentLineNewSize
});
if (this._shouldSetNextColumnWidth(nextColumnNewSize)) {
setLineElementsFormat(this, {
elements: $nextLineElements,
property: directionInfo.positionStyleProperty,
value: nextColumnNewSize
})
}
var isTableWidthChanged = Math.abs(this._startTableWidth - getOuterWidth(frame.$table)) < ROUGH_OFFSET;
var shouldRevertNewValue = Math.abs(realWidthDiff) > ROUGH_OFFSET || !this._nextLineSize && isTableWidthChanged;
if (shouldRevertNewValue) {
setLineElementsFormat(this, {
elements: $lineElements,
property: directionInfo.positionStyleProperty,
value: getOuterWidth($lineElements.eq(0))
});
nextColumnNewSize += currentLineNewSize - getOuterWidth($lineElements.eq(0));
if (this._shouldSetNextColumnWidth(nextColumnNewSize)) {
setLineElementsFormat(this, {
elements: $nextLineElements,
property: directionInfo.positionStyleProperty,
value: nextColumnNewSize
})
}
}
} else {
this._nextColumnOffsetLimit = this._nextColumnOffsetLimit || eventOffset
}
}
this._$highlightedElement.css(directionInfo.positionCoordinate, this._startLineSeparatorPosition + eventOffset + realWidthDiff + "px")
}
_verticalDragHandler(_ref3) {
var {
currentLineNewSize: currentLineNewSize,
directionInfo: directionInfo,
eventOffset: eventOffset,
$determinantElements: $determinantElements,
index: index,
frame: frame
} = _ref3;
var newHeight = Math.max(currentLineNewSize, this._minRowHeight);
var $lineElements = getLineElements(frame.$table, index, "vertical");
setLineElementsFormat(this, {
elements: $lineElements,
property: directionInfo.positionStyleProperty,
value: newHeight
});
var rowHeightDiff = getOuterHeight($determinantElements.eq(index)) - currentLineNewSize;
this._$highlightedElement.css(directionInfo.positionCoordinate, this._startLineSeparatorPosition + eventOffset + rowHeightDiff + "px")
}
_dragMoveHandler(event, _ref4) {
var {
$determinantElements: $determinantElements,
index: index,
frame: frame,
direction: direction
} = _ref4;
var directionInfo = this._getDirectionInfo(direction);
var eventOffset = event.offset[directionInfo.positionCoordinateName];
this.editorInstance._saveValueChangeEvent(event);
if (this._shouldRevertOffset(direction)) {
eventOffset = -eventOffset
}
var currentLineNewSize = this._startLineSize + eventOffset;
if ("horizontal" === direction) {
this._horizontalDragHandler({
currentLineNewSize: currentLineNewSize,
directionInfo: directionInfo,
eventOffset: eventOffset,
$determinantElements: $determinantElements,
index: index,
frame: frame
})
} else {
this._verticalDragHandler({
currentLineNewSize: currentLineNewSize,
directionInfo: directionInfo,
eventOffset: eventOffset,
$determinantElements: $determinantElements,
index: index,
frame: frame
})
}
this._updateFramePosition(frame.$table, frame.$frame)
}
_dragEndHandler(options) {
var _this$_$highlightedEl;
null === (_this$_$highlightedEl = this._$highlightedElement) || void 0 === _this$_$highlightedEl ? void 0 : _this$_$highlightedEl.remove();
this._isDragging = void 0;
this._nextColumnOffsetLimit = void 0;
this._tableLastWidth(options.frame, getOuterWidth(options.frame.$table));
this._updateFramesPositions();
this._updateFramesSeparators()
}
_isLastColumnResizing(_ref5) {
var {
$determinantElements: $determinantElements,
index: index
} = _ref5;
return !isDefined($determinantElements[index + 1])
}
_getBoundaryConfig(options) {
var result = {};
if ("vertical" === options.direction) {
result.boundary = options.frame.$table;
result.boundOffset = {
bottom: hasWindow() ? -getHeight(getWindow()) : -getOuterHeight(this._quillContainer),
top: 0,
left: 0,
right: 0
}
} else if (!this._isLastColumnResizing(options)) {
result.boundary = options.frame.$table
} else {
var $content = this.editorInstance._getContent();
result.boundary = $content;
result.boundOffset = {
bottom: 0,
top: 0,
left: $content.css("paddingLeft"),
right: $content.css("paddingRight")
}
}
return result
}
_createDraggableElement(options) {
var _this$_$highlightedEl2;
var boundaryConfig = this._getBoundaryConfig(options);
var directionClass = "vertical" === options.direction ? "dx-htmleditor-highlighted-row" : "dx-htmleditor-highlighted-column";
null === (_this$_$highlightedEl2 = this._$highlightedElement) || void 0 === _this$_$highlightedEl2 ? void 0 : _this$_$highlightedEl2.remove();
this._$highlightedElement = $("<div>").addClass("".concat(directionClass)).insertAfter($(options.lineSeparator));
var config = {
contentTemplate: null,
allowMoveByClick: false,
dragDirection: options.direction,
onDragMove: _ref6 => {
var {
component: component,
event: event
} = _ref6;
this._dragMoveHandler(event, options)
},
onDragStart: () => {
this._dragStartHandler(options)
},
onDragEnd: () => {
this._dragEndHandler(options)
}
};
extend(config, boundaryConfig);
this._currentDraggableElement = this.editorInstance._createComponent(options.lineSeparator, Draggable, config)
}
_fixColumnsWidth($table) {
var determinantElements = this._getTableDeterminantElements($table);
each(determinantElements, (index, element) => {
var columnWidth = getOuterWidth(element);
var $lineElements = getLineElements($table, index);
setLineElementsFormat(this, {
elements: $lineElements,
property: "width",
value: Math.max(columnWidth, this._minColumnWidth)
})
})
}
_getColumnElementsSum(columnElements) {
var columnsWidths = [];
var columnsSum = 0;
each(columnElements, (index, element) => {
var $element = $(element);
var columnWidth = this._getWidthStyleValue($element) || getOuterWidth($element);
columnsWidths[index] = Math.max(columnWidth, this._minColumnWidth);
columnsSum += columnsWidths[index]
});
return {
columnsWidths: columnsWidths,
columnsSum: columnsSum
}
}
_setColumnsRatioWidth(columnElements, ratio, columnsWidths, $table) {
each(columnElements, index => {
var $lineElements = getLineElements($table, index);
var resultWidth;
if (ratio > 0) {
resultWidth = this._minColumnWidth + Math.round((columnsWidths[index] - this._minColumnWidth) * ratio)
} else {
resultWidth = this._minColumnWidth
}
setLineElementsFormat(this, {
elements: $lineElements,
property: "width",
value: resultWidth
})
})
}
_updateColumnsWidth($table, frameIndex) {
var determinantElements = this._getTableDeterminantElements($table);
var frame = this._tableResizeFrames[frameIndex];
if (!frame) {
this._tableResizeFrames[frameIndex] = {}
}
frame = this._tableResizeFrames[frameIndex];
var tableWidth = this._tableLastWidth(frame) || getOuterWidth($table);
var ratio;
var {
columnsWidths: columnsWidths,
columnsSum: columnsSum
} = this._getColumnElementsSum(determinantElements);
var minWidthForColumns = determinantElements.length * this._minColumnWidth;
if (columnsSum > minWidthForColumns) {
ratio = (tableWidth - minWidthForColumns) / (columnsSum - minWidthForColumns)
} else {
ratio = -1
}
this._tableLastWidth(frame, ratio > 0 ? tableWidth : minWidthForColumns);
this._setColumnsRatioWidth(determinantElements, ratio, columnsWidths, $table)
}
_updateTablesColumnsWidth($tables) {
each($tables, (index, table) => {
this._updateColumnsWidth($(table), index)
})
}
option(option, value) {
if ("tableResizing" === option) {
this.handleOptionChangeValue(value);
return
}
if ("enabled" === option) {
this.enabled = value;
value ? this._applyResizing(true) : this.clean()
} else if (["minColumnWidth", "minRowHeight"].includes(option)) {
this["_".concat(option)] = this._minSizeLimit(option, value)
}
}
clean() {
this._removeResizeFrames(true);
this._detachEvents();
_windowResizeCallbacks.remove(this._resizeHandlerWithContext);
clearTimeout(this._windowResizeTimeout);
this._resizeHandlerWithContext = void 0;
this._isDragging = void 0;
this._startTableWidth = void 0;
clearTimeout(this._attachResizerTimeout)
}
}