react-email-builder
Version:
A simple React drag and drop email builder.
179 lines (178 loc) • 7.67 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BlockIcons = void 0;
const clsx_1 = __importDefault(require("clsx"));
const react_1 = __importStar(require("react"));
const hooks_1 = require("../../hooks");
const utils_1 = require("../../utils");
function BlockIcons() {
const { blocks } = (0, hooks_1.useEmailBuilderConfig)();
const css = useCss();
return (react_1.default.createElement("div", { className: css.root }, blocks.map((block) => (react_1.default.createElement(BlockIcon, { key: block.type, block: block })))));
}
exports.BlockIcons = BlockIcons;
function useCss() {
return (0, utils_1.getCss)('BlockIcons', (ns) => ({
root: ns(),
item: ns('item'),
dragged: ns('item-dragged'),
dragging: ns('item-dragging'),
icon: ns('icon'),
name: ns('name'),
body: ns('body')
}));
}
function BlockIcon({ block }) {
const css = useCss();
const type = block.type;
const config = (0, hooks_1.useEmailBuilderConfig)();
const setState = (0, hooks_1.useSetEmailBuilderState)();
const onMouseDown = (0, react_1.useCallback)((e) => {
const dragged = e.currentTarget;
const rect = dragged.getBoundingClientRect();
const startX = e.clientX;
const startY = e.clientY;
const startTop = rect.top;
const startLeft = rect.left;
const dragging = dragged.cloneNode(true);
let placeholder = null;
const updatePosition = (top, left) => {
dragging.style.transform = `translate3d(${left}px, ${top}px, 0) rotate(-10deg)`;
};
const dragstart = () => {
dragged.className = (0, clsx_1.default)(css.item, css.dragged);
dragging.className = (0, clsx_1.default)((0, utils_1.varsClass)(), css.item, css.dragging);
const body = document.body;
updatePosition(startTop, startLeft);
body.appendChild(dragging);
body.classList.add(css.body);
setState((prev) => {
let blocks = prev.blocks;
if (!blocks.length ||
blocks[blocks.length - 1].type !== 'placeholder') {
placeholder = (0, utils_1.createPlaceholder)({ end: true });
blocks = [...blocks, placeholder];
}
return {
...prev,
blocks,
draggingType: type,
selectedId: undefined,
dragoverId: undefined,
dragover: false
};
});
};
let mousemove = (e) => {
const movedX = e.clientX - startX;
const movedY = e.clientY - startY;
updatePosition(startTop + movedY, startLeft + movedX);
};
let dragend = () => {
if (dragend) {
window.removeEventListener('mouseup', dragend, true);
dragend = null;
}
if (mousemove) {
window.removeEventListener('mousemove', mousemove, true);
mousemove = null;
}
dragged.className = css.item;
if (dragging.parentNode) {
dragging.parentNode.removeChild(dragging);
}
document.body.classList.remove(css.body);
setState((prev) => {
let addedBlockId;
const addBlock = (blocks) => {
const newBlocks = [];
blocks.forEach((block) => {
if (block.id === prev.dragoverId) {
const newBlock = (0, utils_1.createBlock)(config, type);
if (block.type === 'placeholder') {
newBlocks.push(newBlock);
}
else if (prev.dragover === 'top') {
newBlocks.push(newBlock);
newBlocks.push(block);
}
else if (prev.dragover === 'bottom') {
newBlocks.push(block);
newBlocks.push(newBlock);
}
addedBlockId = newBlock.id;
}
else if (block.type === 'columns') {
if (addedBlockId) {
newBlocks.push(block);
}
else {
const oldCols = block;
const newCols = {
...oldCols,
attrs: {
...oldCols.attrs,
columns: oldCols.attrs.columns.map((col) => ({
...col,
blocks: addBlock(col.blocks)
}))
}
};
newBlocks.push(newCols);
}
}
else {
newBlocks.push(block);
}
});
return newBlocks;
};
let nextBlocks = addBlock(prev.blocks);
if (placeholder) {
nextBlocks = nextBlocks.filter((b) => b !== placeholder);
}
return {
...prev,
blocks: nextBlocks,
tab: addedBlockId ? 'settings' : prev.tab,
selectedId: addedBlockId,
draggingType: undefined,
dragover: undefined,
dragoverId: undefined
};
});
};
dragstart();
window.addEventListener('mousemove', mousemove, true);
window.addEventListener('mouseup', dragend, true);
}, [setState, type, config, css]);
return (react_1.default.createElement("div", { className: css.item, onMouseDown: onMouseDown },
react_1.default.createElement("div", { className: css.icon }, block.icon),
react_1.default.createElement("div", { className: css.name }, block.name)));
}