feat: Transform to Tauri desktop app
- Initialize Tauri v2 project with Rust backend - Restructure project: move source files to src/ directory - Add Tauri configuration for Windows, macOS, and Linux builds - Update Vite config for Tauri development workflow - Add file system and dialog permissions for native features - Update package.json with desktop build scripts - Update tsconfig.json paths for new src structure - Add Tauri and desktop badges to README - Document desktop build process and architecture
This commit is contained in:
TypoGenie
374
src/components/Preview.tsx
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374
src/components/Preview.tsx
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import React, { useEffect, useRef, useState } from 'react';
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import { ArrowLeft, Download, FileText, CheckCircle2, ExternalLink } from 'lucide-react';
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import { PaperSize, DocxStyleConfig, DocxBorder } from '../types';
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import { TYPOGRAPHY_STYLES } from '../constants';
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// @ts-ignore
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import * as docx from 'docx';
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interface PreviewProps {
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htmlContent: string;
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onBack: () => void;
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paperSize: PaperSize;
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selectedStyleId?: string | null;
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}
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export const Preview: React.FC<PreviewProps> = ({ htmlContent, onBack, paperSize, selectedStyleId }) => {
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const iframeRef = useRef<HTMLIFrameElement>(null);
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const [isExporting, setIsExporting] = useState(false);
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const [successMsg, setSuccessMsg] = useState(false);
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// Get current style
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const style = TYPOGRAPHY_STYLES.find(s => s.id === selectedStyleId) || TYPOGRAPHY_STYLES[0];
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// Extract unique fonts for display
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const usedFonts = Array.from(new Set([
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style.wordConfig.heading1.font,
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style.wordConfig.heading2.font,
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style.wordConfig.body.font
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])).filter(Boolean);
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// Helper to convert Points to Half-Points (docx standard)
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const pt = (points: number) => points * 2;
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// Helper to convert Inches/MM to Twips
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const inchesToTwips = (inches: number) => Math.round(inches * 1440);
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const mmToTwips = (mm: number) => Math.round(mm * (1440 / 25.4));
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// Helper to map Border config to Docx Border
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const mapBorder = (b?: DocxBorder) => {
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if (!b) return undefined;
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let style = docx.BorderStyle.SINGLE;
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if (b.style === 'double') style = docx.BorderStyle.DOUBLE;
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if (b.style === 'dotted') style = docx.BorderStyle.DOTTED;
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if (b.style === 'dashed') style = docx.BorderStyle.DASHED;
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return {
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color: b.color,
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space: b.space,
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style: style,
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size: b.size
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};
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};
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const generateDocx = async (styleId: string) => {
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setIsExporting(true);
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try {
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const style = TYPOGRAPHY_STYLES.find(s => s.id === styleId) || TYPOGRAPHY_STYLES[0];
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const cfg = style.wordConfig;
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// PARSE HTML
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const parser = new DOMParser();
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const doc = parser.parseFromString(htmlContent, 'text/html');
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const nodes = Array.from(doc.body.childNodes);
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const docxChildren = [];
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for (const node of nodes) {
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if (node.nodeType !== Node.ELEMENT_NODE) continue;
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const el = node as HTMLElement;
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const tagName = el.tagName.toLowerCase();
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// --- Run Parser (Inline Styles) ---
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const parseRuns = (element: HTMLElement, baseConfig: DocxStyleConfig) => {
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const runs = [];
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for (const child of Array.from(element.childNodes)) {
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if (child.nodeType === Node.TEXT_NODE) {
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runs.push(new docx.TextRun({
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text: child.textContent || '',
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font: baseConfig.font,
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size: pt(baseConfig.size),
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color: baseConfig.color,
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underline: baseConfig.underline ? { type: docx.UnderlineType.SINGLE, color: baseConfig.color } : undefined,
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}));
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} else if (child.nodeType === Node.ELEMENT_NODE) {
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const childEl = child as HTMLElement;
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const isBold = childEl.tagName === 'STRONG' || childEl.tagName === 'B';
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const isItalic = childEl.tagName === 'EM' || childEl.tagName === 'I';
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runs.push(new docx.TextRun({
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text: childEl.textContent || '',
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bold: isBold,
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italics: isItalic,
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font: baseConfig.font,
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size: pt(baseConfig.size),
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color: baseConfig.color,
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underline: baseConfig.underline ? { type: docx.UnderlineType.SINGLE, color: baseConfig.color } : undefined,
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}));
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}
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}
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return runs;
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};
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// --- Block Parser ---
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// 1. HEADINGS
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if (tagName.match(/^h[1-6]$/)) {
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const level = parseInt(tagName.replace('h', ''));
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// Select config based on level (simplified to H1 or H2, fallback H2 for others)
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const hCfg = level === 1 ? cfg.heading1 : cfg.heading2;
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const headingLevel = level === 1 ? docx.HeadingLevel.HEADING_1 : docx.HeadingLevel.HEADING_2;
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// Border Mapping
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const borderConfig: any = {};
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if (hCfg.border) {
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if (hCfg.border.top) borderConfig.top = mapBorder(hCfg.border.top);
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if (hCfg.border.bottom) borderConfig.bottom = mapBorder(hCfg.border.bottom);
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if (hCfg.border.left) borderConfig.left = mapBorder(hCfg.border.left);
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if (hCfg.border.right) borderConfig.right = mapBorder(hCfg.border.right);
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}
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// Alignment Mapping
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let align = docx.AlignmentType.LEFT;
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if (hCfg.align === 'center') align = docx.AlignmentType.CENTER;
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if (hCfg.align === 'right') align = docx.AlignmentType.RIGHT;
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if (hCfg.align === 'both') align = docx.AlignmentType.BOTH;
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docxChildren.push(new docx.Paragraph({
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children: [
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new docx.TextRun({
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text: el.textContent || '',
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font: hCfg.font,
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bold: hCfg.bold,
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italics: hCfg.italic,
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underline: hCfg.underline ? { type: docx.UnderlineType.SINGLE, color: hCfg.color } : undefined,
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size: pt(hCfg.size),
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color: hCfg.color,
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allCaps: hCfg.allCaps,
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smallCaps: hCfg.smallCaps,
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characterSpacing: hCfg.tracking
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})
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],
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heading: headingLevel,
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alignment: align,
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spacing: {
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before: hCfg.spacing?.before,
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after: hCfg.spacing?.after,
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line: hCfg.spacing?.line
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},
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border: borderConfig,
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shading: hCfg.shading ? {
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fill: hCfg.shading.fill,
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color: hCfg.shading.color,
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type: docx.ShadingType.CLEAR // usually clear to show fill
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} : undefined,
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keepNext: true,
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keepLines: true
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}));
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}
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// 2. PARAGRAPHS
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else if (tagName === 'p') {
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let align = docx.AlignmentType.LEFT;
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if (cfg.body.align === 'center') align = docx.AlignmentType.CENTER;
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if (cfg.body.align === 'right') align = docx.AlignmentType.RIGHT;
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if (cfg.body.align === 'both') align = docx.AlignmentType.BOTH;
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docxChildren.push(new docx.Paragraph({
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children: parseRuns(el, cfg.body),
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spacing: {
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before: cfg.body.spacing?.before,
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after: cfg.body.spacing?.after,
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line: cfg.body.spacing?.line,
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lineRule: docx.LineRuleType.AUTO
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},
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alignment: align
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}));
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}
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// 3. BLOCKQUOTES
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else if (tagName === 'blockquote') {
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docxChildren.push(new docx.Paragraph({
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children: parseRuns(el, { ...cfg.body, size: cfg.body.size + 1, color: cfg.accentColor, italic: true } as DocxStyleConfig),
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indent: { left: 720 }, // 0.5 inch
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border: { left: { color: cfg.accentColor, space: 10, style: docx.BorderStyle.SINGLE, size: 24 } },
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shading: { fill: "F8F8F8", type: docx.ShadingType.CLEAR, color: "auto" }, // Default light grey background for quotes
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spacing: { before: 200, after: 200, line: 300 }
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}));
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}
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// 4. LISTS
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else if (tagName === 'ul' || tagName === 'ol') {
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const listItems = Array.from(el.children);
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for (const li of listItems) {
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docxChildren.push(new docx.Paragraph({
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children: parseRuns(li as HTMLElement, cfg.body),
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bullet: { level: 0 },
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spacing: { before: 80, after: 80 }
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}));
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}
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}
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}
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// Create Document
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const docxFile = new docx.Document({
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sections: [{
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properties: {
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page: {
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size: {
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width: paperSize === 'A4' ? mmToTwips(210) : inchesToTwips(8.5),
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height: paperSize === 'A4' ? mmToTwips(297) : inchesToTwips(11),
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},
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margin: {
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top: inchesToTwips(1),
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right: inchesToTwips(1.2),
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bottom: inchesToTwips(1),
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left: inchesToTwips(1.2),
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}
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}
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},
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children: docxChildren
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}]
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});
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const blob = await docx.Packer.toBlob(docxFile);
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const url = window.URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = `typogenie-${style.name.replace(/\s+/g, '-').toLowerCase()}.docx`;
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a.click();
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window.URL.revokeObjectURL(url);
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setSuccessMsg(true);
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setTimeout(() => setSuccessMsg(false), 3000);
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} catch (e) {
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console.error("Docx Gen Error", e);
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alert("Failed to generate DOCX");
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} finally {
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setIsExporting(false);
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}
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};
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useEffect(() => {
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if (!iframeRef.current) return;
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// We already have 'style' from the component scope, but useEffect needs to be robust
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const currentStyle = TYPOGRAPHY_STYLES.find(s => s.id === selectedStyleId) || TYPOGRAPHY_STYLES[0];
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const doc = iframeRef.current.contentDocument;
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if (doc) {
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const html = `
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<!DOCTYPE html>
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<html>
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<head>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="${currentStyle.googleFontsImport}" rel="stylesheet">
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<style>
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body {
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background-color: #52525b;
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display: flex;
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justify-content: center;
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padding: 40px;
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margin: 0;
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font-family: sans-serif;
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}
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.page {
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background: white;
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width: ${paperSize === 'A4' ? '210mm' : '8.5in'};
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min-height: ${paperSize === 'A4' ? '297mm' : '11in'};
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padding: 25mm;
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box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
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box-sizing: border-box;
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/* Inject default body color to ensure visibility in dark themes */
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color: #${currentStyle.wordConfig.body.color};
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/* User Selected Typography */
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${currentStyle.previewCss}
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}
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.page * { box-sizing: border-box; }
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.page img { max-width: 100%; }
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.page table { width: 100%; border-collapse: collapse; margin-bottom: 1em; }
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.page th, .page td { border: 1px solid #ddd; padding: 8px; text-align: left; }
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</style>
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</head>
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<body>
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<div class="page">
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${htmlContent}
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</div>
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</body>
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</html>
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`;
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doc.open();
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doc.write(html);
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doc.close();
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}
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}, [htmlContent, paperSize, selectedStyleId]);
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return (
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<div className="h-screen flex flex-col bg-zinc-900">
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{/* Toolbar */}
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<div className="sticky top-0 z-50 bg-zinc-950/90 backdrop-blur-md border-b border-zinc-800 p-4">
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<div className="max-w-7xl mx-auto flex flex-col sm:flex-row justify-between items-center gap-4">
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<button
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onClick={onBack}
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className="flex items-center gap-2 text-zinc-400 hover:text-white transition-colors"
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>
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<ArrowLeft size={20} />
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<span>Back to Editor</span>
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</button>
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<div className="flex flex-col sm:flex-row items-center gap-6">
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{/* Font List */}
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<div className="flex items-center gap-2 text-sm text-zinc-500">
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<span className="hidden md:inline">Fonts:</span>
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<div className="flex gap-2">
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{usedFonts.map(font => (
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<a
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key={font}
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href={`https://fonts.google.com/specimen/${font.replace(/\s+/g, '+')}`}
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target="_blank"
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rel="noopener noreferrer"
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className="px-2 py-1 bg-zinc-900 border border-zinc-800 hover:border-zinc-600 rounded text-zinc-300 hover:text-white transition-all flex items-center gap-1.5 text-xs font-medium"
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title={`Download ${font} from Google Fonts`}
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>
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{font}
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<ExternalLink size={10} />
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</a>
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))}
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</div>
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</div>
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<div className="h-4 w-px bg-zinc-800 hidden sm:block" />
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<div className="flex items-center gap-4">
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<span className="text-zinc-500 text-sm hidden sm:inline">
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Format: {paperSize}
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</span>
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<button
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onClick={() => {
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// Ensure we pass a string for styleId
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const sid = selectedStyleId || 'swiss-grid';
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generateDocx(sid);
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}}
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disabled={isExporting}
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className={`flex items-center gap-2 px-5 py-2.5 rounded-lg font-semibold transition-colors shadow-lg
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${successMsg ? 'bg-emerald-600 text-white' : 'bg-blue-600 text-white hover:bg-blue-500'}
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${isExporting ? 'opacity-50 cursor-wait' : ''}`}
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>
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{successMsg ? (
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<><CheckCircle2 size={18} /><span>Downloaded!</span></>
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) : (
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<><FileText size={18} /><span>{isExporting ? 'Generating...' : 'Download Word Doc'}</span></>
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)}
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</button>
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</div>
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</div>
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</div>
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</div>
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<div className="flex-grow relative bg-zinc-800 overflow-hidden">
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<iframe
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ref={iframeRef}
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className="w-full h-full border-0 block"
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title="Report Preview"
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/>
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</div>
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</div>
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);
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};
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Reference in New Issue
Block a user