Lexical: Completed initial table cell resize handle logic

This commit is contained in:
Dan Brown 2024-06-26 17:22:00 +01:00
parent b1130cb1c3
commit 72a0e081ca
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@ -2,6 +2,7 @@ import {$getNearestNodeFromDOMNode, LexicalEditor} from "lexical";
import {el} from "../../../helpers";
import {MouseDragTracker, MouseDragTrackerDistance} from "./mouse-drag-tracker";
import {$getTableColumnWidth, $setTableColumnWidth, CustomTableNode} from "../../../nodes/custom-table";
import {TableRowNode} from "@lexical/table";
type MarkerDomRecord = {x: HTMLElement, y: HTMLElement};
@ -18,19 +19,28 @@ class TableResizer {
constructor(editor: LexicalEditor, editArea: HTMLElement) {
this.editor = editor;
this.editArea = editArea;
this.setupListeners();
}
setupListeners() {
this.editArea.addEventListener('mousemove', event => {
const cell = (event.target as HTMLElement).closest('td,th');
if (cell && !this.dragging) {
this.onCellMouseMove(cell as HTMLElement, event);
}
});
teardown() {
this.editArea.removeEventListener('mousemove', this.onCellMouseMove);
if (this.mouseTracker) {
this.mouseTracker.teardown();
}
}
onCellMouseMove(cell: HTMLElement, event: MouseEvent) {
protected setupListeners() {
this.onCellMouseMove = this.onCellMouseMove.bind(this);
this.editArea.addEventListener('mousemove', this.onCellMouseMove);
}
protected onCellMouseMove(event: MouseEvent) {
const cell = (event.target as HTMLElement).closest('td,th') as HTMLElement;
if (!cell || this.dragging) {
return;
}
const rect = cell.getBoundingClientRect();
const midX = rect.left + (rect.width / 2);
const midY = rect.top + (rect.height / 2);
@ -44,7 +54,7 @@ class TableResizer {
this.updateMarkersTo(cell, xMarkerPos, yMarkerPos);
}
updateMarkersTo(cell: HTMLElement, xPos: number, yPos: number) {
protected updateMarkersTo(cell: HTMLElement, xPos: number, yPos: number) {
const markers: MarkerDomRecord = this.getMarkers();
const table = cell.closest('table') as HTMLElement;
const tableRect = table.getBoundingClientRect();
@ -58,7 +68,7 @@ class TableResizer {
markers.y.style.width = tableRect.width + 'px';
}
getMarkers(): MarkerDomRecord {
protected getMarkers(): MarkerDomRecord {
if (!this.markerDom) {
this.markerDom = {
x: el('div', {class: 'editor-table-marker editor-table-marker-column'}),
@ -74,7 +84,7 @@ class TableResizer {
return this.markerDom;
}
watchMarkerMouseDrags(wrapper: HTMLElement) {
protected watchMarkerMouseDrags(wrapper: HTMLElement) {
const _this = this;
let markerStart: number = 0;
let markerProp: 'left' | 'top' = 'left';
@ -96,25 +106,55 @@ class TableResizer {
marker.style.top = '0';
_this.dragging = false;
console.log('up', distance, marker, markerProp, _this.targetCell);
const parentTable = _this.targetCell?.closest('table');
if (markerProp === 'left' && _this.targetCell && parentTable) {
const cellIndex = _this.getTargetCellColumnIndex();
let cellIndex = _this.getTargetCellColumnIndex();
let change = distance.x;
if (_this.xMarkerAtStart && cellIndex > 0) {
cellIndex -= 1;
} else if (_this.xMarkerAtStart && cellIndex === 0) {
change = -change;
}
_this.editor.update(() => {
const table = $getNearestNodeFromDOMNode(parentTable);
if (table instanceof CustomTableNode) {
const originalWidth = $getTableColumnWidth(_this.editor, table, cellIndex);
const newWidth = Math.max(originalWidth + distance.x, 10);
const newWidth = Math.max(originalWidth + change, 10);
$setTableColumnWidth(table, cellIndex, newWidth);
}
});
}
if (markerProp === 'top' && _this.targetCell) {
const cellElement = _this.targetCell;
_this.editor.update(() => {
const cellNode = $getNearestNodeFromDOMNode(cellElement);
const rowNode = cellNode?.getParent();
let rowIndex = rowNode?.getIndexWithinParent() || 0;
let change = distance.y;
if (_this.yMarkerAtStart && rowIndex > 0) {
rowIndex -= 1;
} else if (_this.yMarkerAtStart && rowIndex === 0) {
change = -change;
}
const targetRow = rowNode?.getParent()?.getChildren()[rowIndex];
if (targetRow instanceof TableRowNode) {
const height = targetRow.getHeight() || 0;
const newHeight = Math.max(height + change, 10);
targetRow.setHeight(newHeight);
}
});
}
}
});
}
getTargetCellColumnIndex(): number {
protected getTargetCellColumnIndex(): number {
const cell = this.targetCell;
if (cell === null) {
return -1;
@ -143,6 +183,7 @@ class TableResizer {
export function registerTableResizer(editor: LexicalEditor, editorArea: HTMLElement): (() => void) {
const resizer = new TableResizer(editor, editorArea);
// TODO - Strip/close down resizer
return () => {};
return () => {
resizer.teardown();
};
}