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🔤 Examples
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@ -116,7 +116,12 @@ format selector](https://jaandrle.github.io/deka-dom-el/) on the documentation s
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### Documentation
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- [**Interactive Guide**](https://jaandrle.github.io/deka-dom-el): WIP
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- [Examples](./examples/): TBD/WIP
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- [**Examples Gallery**](https://jaandrle.github.io/deka-dom-el/p15-examples.html): A comprehensive collection of code examples and case studies
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- Interactive Form with Validation
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- Data Dashboard with Charts
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- Image Gallery with Lightbox
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- Kanban Task Manager
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- TodoMVC Implementation
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## Understanding Signals
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394
docs/components/examples/case-studies/data-dashboard.js
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394
docs/components/examples/case-studies/data-dashboard.js
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@ -0,0 +1,394 @@
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/**
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* Case Study: Data Dashboard with Charts
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*
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* This example demonstrates:
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* - Integration with a third-party charting library
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* - Data fetching and state management
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* - Responsive layout design
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* - Multiple interactive components working together
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*/
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import { el, on } from "deka-dom-el";
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import { S } from "deka-dom-el/signals";
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/**
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* Data Dashboard Component with Chart Integration
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* @returns {HTMLElement} Dashboard element
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*/
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export function DataDashboard() {
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// Mock data for demonstration
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const DATA = {
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sales: [42, 58, 65, 49, 72, 85, 63, 70, 78, 89, 95, 86],
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visitors: [1420, 1620, 1750, 1850, 2100, 2400, 2250, 2500, 2750, 2900, 3100, 3200],
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conversion: [2.9, 3.5, 3.7, 2.6, 3.4, 3.5, 2.8, 2.8, 2.8, 3.1, 3.0, 2.7],
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months: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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};
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// Application state
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const selectedYear = S(2024);
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const selectedDataType = S(/** @type {'sales' | 'visitors' | 'conversion'} */ ('sales'));
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const isLoading = S(false);
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const error = S(null);
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// Filter options
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const years = [2022, 2023, 2024];
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const dataTypes = [
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{ id: 'sales', label: 'Sales', unit: 'K' },
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{ id: 'visitors', label: 'Visitors', unit: '' },
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{ id: 'conversion', label: 'Conversion Rate', unit: '%' }
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];
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// Computed values
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const selectedData = S(() => {
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return DATA[selectedDataType.get()];
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});
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const currentDataType = S(() => {
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return dataTypes.find(type => type.id === selectedDataType.get());
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});
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const totalValue = S(() => {
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const data = selectedData.get();
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return data.reduce((sum, value) => sum + value, 0);
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});
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const averageValue = S(() => {
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const data = selectedData.get();
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return data.reduce((sum, value) => sum + value, 0) / data.length;
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});
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const highestValue = S(() => {
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return Math.max(...selectedData.get());
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});
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// Event handlers
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const onYearChange = on("change", e => {
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selectedYear.set(parseInt(/** @type {HTMLSelectElement} */(e.target).value));
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loadData();
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});
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const onDataTypeChange = on("click", e => {
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const type = /** @type {'sales' | 'visitors' | 'conversion'} */(
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/** @type {HTMLButtonElement} */(e.currentTarget).dataset.type);
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selectedDataType.set(type);
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});
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// Simulate data loading
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function loadData() {
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isLoading.set(true);
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error.set(null);
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// Simulate API call
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setTimeout(() => {
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if (Math.random() > 0.9) {
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// Simulate occasional error
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error.set('Failed to load data. Please try again.');
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}
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isLoading.set(false);
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}, 800);
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}
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// Reactive chart rendering
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const chart = S(()=> {
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const chart= el("canvas", { id: "chart-canvas", width: 800, height: 400 });
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const ctx = chart.getContext('2d');
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const data = selectedData.get();
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const months = DATA.months;
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const width = chart.width;
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const height = chart.height;
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const maxValue = Math.max(...data) * 1.1;
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const barWidth = width / data.length - 10;
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// Clear canvas
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ctx.clearRect(0, 0, width, height);
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// Draw background grid
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ctx.beginPath();
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ctx.strokeStyle = '#f0f0f0';
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ctx.lineWidth = 1;
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for(let i = 0; i < 5; i++) {
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const y = height - (height * (i / 5)) - 30;
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ctx.moveTo(50, y);
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ctx.lineTo(width - 20, y);
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// Draw grid labels
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ctx.fillStyle = '#999';
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ctx.font = '12px Arial';
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ctx.fillText(Math.round(maxValue * (i / 5)), 20, y + 5);
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}
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ctx.stroke();
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// Draw bars
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data.forEach((value, index) => {
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const x = index * (barWidth + 10) + 60;
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const barHeight = (value / maxValue) * (height - 60);
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// Bar
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ctx.fillStyle = '#4a90e2';
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ctx.fillRect(x, height - barHeight - 30, barWidth, barHeight);
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// Month label
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ctx.fillStyle = '#666';
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ctx.font = '12px Arial';
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ctx.fillText(months[index], x + barWidth/2 - 10, height - 10);
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});
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// Chart title
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ctx.fillStyle = '#333';
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ctx.font = 'bold 14px Arial';
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ctx.fillText(`${currentDataType.get().label} (${selectedYear.get()})`, width/2 - 80, 20);
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return chart;
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});
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return el("div", { className: "dashboard" }).append(
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el("header", { className: "dashboard-header" }).append(
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el("h1", "Sales Performance Dashboard"),
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el("div", { className: "year-filter" }).append(
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el("label", { htmlFor: "yearSelect", textContent: "Select Year:" }),
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el("select", { id: "yearSelect" },
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on.host(el=> el.value = selectedYear.get().toString()),
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onYearChange
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).append(
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...years.map(year => el("option", { value: year, textContent: year }))
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)
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)
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),
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// Error message (only shown when there's an error)
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S.el(error, errorMsg => !errorMsg
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? el()
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: el("div", { className: "error-message" }).append(
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el("p", errorMsg),
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el("button", { textContent: "Retry", type: "button" }, on("click", loadData)),
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),
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),
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// Loading indicator
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S.el(isLoading, loading => !loading
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? el()
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: el("div", { className: "loading-spinner" })
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),
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// Main dashboard content
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el("div", { className: "dashboard-content" }).append(
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// Metrics cards
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el("div", { className: "metrics-container" }).append(
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el("div", { className: "metric-card" }).append(
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el("h3", "Total"),
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el("#text", S(() => `${totalValue.get().toLocaleString()}${currentDataType.get().unit}`)),
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),
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el("div", { className: "metric-card" }).append(
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el("h3", "Average"),
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el("#text", S(() => `${averageValue.get().toFixed(1)}${currentDataType.get().unit}`)),
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),
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el("div", { className: "metric-card" }).append(
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el("h3", "Highest"),
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el("#text", S(() => `${highestValue.get()}${currentDataType.get().unit}`)),
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),
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),
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// Data type selection tabs
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el("div", { className: "data-type-tabs" }).append(
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...dataTypes.map(type =>
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el("button", {
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type: "button",
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className: S(() => selectedDataType.get() === type.id ? 'active' : ''),
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dataType: type.id,
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textContent: type.label
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}, onDataTypeChange)
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)
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),
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// Chart container
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el("div", { className: "chart-container" }).append(
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S.el(chart, chart => chart)
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)
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),
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);
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}
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// Render the component
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document.body.append(
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el("div", { style: "padding: 20px; background: #f5f5f5; min-height: 100vh;" }).append(
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el(DataDashboard)
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),
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el("style", `
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.dashboard {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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max-width: 1000px;
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margin: 0 auto;
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padding: 1rem;
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background: #fff;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
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border-radius: 8px;
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}
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.dashboard-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 1.5rem;
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padding-bottom: 1rem;
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border-bottom: 1px solid #eee;
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}
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.dashboard-header h1 {
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font-size: 1.5rem;
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margin: 0;
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color: #333;
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}
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.year-filter {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.year-filter select {
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padding: 0.5rem;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 1rem;
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}
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.metrics-container {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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gap: 1rem;
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margin-bottom: 1.5rem;
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}
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.metric-card {
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background: #f9f9f9;
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border-radius: 8px;
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padding: 1rem;
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text-align: center;
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transition: transform 0.2s ease;
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}
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.metric-card:hover {
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transform: translateY(-5px);
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
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}
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.metric-card h3 {
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margin-top: 0;
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color: #666;
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font-size: 0.9rem;
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margin-bottom: 0.5rem;
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}
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.metric-card p {
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font-size: 1.5rem;
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font-weight: bold;
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color: #333;
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margin: 0;
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}
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.data-type-tabs {
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display: flex;
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border-bottom: 1px solid #eee;
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margin-bottom: 1.5rem;
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}
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.data-type-tabs button {
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background: none;
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border: none;
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padding: 0.75rem 1.5rem;
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font-size: 1rem;
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cursor: pointer;
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color: #666;
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position: relative;
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}
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.data-type-tabs button.active {
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color: #4a90e2;
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font-weight: 500;
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}
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.data-type-tabs button.active::after {
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content: '';
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position: absolute;
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bottom: -1px;
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left: 0;
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width: 100%;
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height: 3px;
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background: #4a90e2;
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border-radius: 3px 3px 0 0;
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}
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.chart-container {
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background: #fff;
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border-radius: 8px;
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padding: 1rem;
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margin-bottom: 1.5rem;
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box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
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}
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.loading-spinner {
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100px;
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}
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.loading-spinner::before {
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content: '';
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width: 40px;
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height: 40px;
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border: 4px solid #f3f3f3;
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border-top: 4px solid #4a90e2;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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.error-message {
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background: #ffecec;
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color: #e74c3c;
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padding: 1rem;
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border-radius: 4px;
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margin-bottom: 1.5rem;
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.error-message p {
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margin: 0;
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}
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.error-message button {
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background: #e74c3c;
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color: white;
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border: none;
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border-radius: 4px;
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padding: 0.5rem 1rem;
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cursor: pointer;
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}
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@media (max-width: 768px) {
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.metrics-container {
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grid-template-columns: 1fr;
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}
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.dashboard-header {
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flex-direction: column;
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align-items: flex-start;
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gap: 1rem;
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}
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.year-filter {
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width: 100%;
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}
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.year-filter select {
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flex-grow: 1;
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}
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}
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`)
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);
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417
docs/components/examples/case-studies/image-gallery.js
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417
docs/components/examples/case-studies/image-gallery.js
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@ -0,0 +1,417 @@
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/**
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* Case Study: Interactive Image Gallery
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*
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* This example demonstrates:
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* - Dynamic loading of content
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* - Lightbox functionality
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* - Animation handling
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* - Keyboard and gesture navigation
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*/
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import { el, memo, on } from "deka-dom-el";
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import { S } from "deka-dom-el/signals";
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/**
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* Interactive Image Gallery Component
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* @returns {HTMLElement} Gallery element
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*/
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export function ImageGallery() {
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// Sample image data
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const images = [
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{ id: 1, src: 'https://api.algobook.info/v1/randomimage?category=nature', alt: 'Nature', title: 'Beautiful Landscape' },
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{ id: 2, src: 'https://api.algobook.info/v1/randomimage?category=places', alt: 'City', title: 'Urban Architecture' },
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{ id: 3, src: 'https://api.algobook.info/v1/randomimage?category=people', alt: 'People', title: 'Street Photography' },
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{ id: 4, src: 'https://api.algobook.info/v1/randomimage?category=food', alt: 'Food', title: 'Culinary Delights' },
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{ id: 5, src: 'https://api.algobook.info/v1/randomimage?category=animals', alt: 'Animals', title: 'Wildlife' },
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{ id: 6, src: 'https://api.algobook.info/v1/randomimage?category=travel', alt: 'Travel', title: 'Adventure Awaits' },
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{ id: 7, src: 'https://api.algobook.info/v1/randomimage?category=computer', alt: 'Technology', title: 'Modern Tech' },
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{ id: 8, src: 'https://api.algobook.info/v1/randomimage?category=music', alt: 'Art', title: 'Creative Expression' },
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];
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// Application state
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const selectedImageId = S(null);
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const filterTag = S('all');
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const imagesToDisplay = S(() => {
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const tag = filterTag.get();
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if (tag === 'all') return images;
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else return images.filter(img => img.alt.toLowerCase() === tag);
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})
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// Derived state
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const selectedImage = S(() => {
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const id = selectedImageId.get();
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return id ? images.find(img => img.id === id) : null;
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});
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const isLightboxOpen = S(() => selectedImage.get() !== null);
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// Event handlers
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const onImageClick = id => on("click", () => {
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selectedImageId.set(id);
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document.body.style.overflow = 'hidden'; // Prevent scrolling when lightbox is open
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// Add keyboard event listeners when lightbox opens
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document.addEventListener('keydown', handleKeyDown);
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});
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const closeLightbox = () => {
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selectedImageId.set(null);
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document.body.style.overflow = ''; // Restore scrolling
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// Remove keyboard event listeners when lightbox closes
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document.removeEventListener('keydown', handleKeyDown);
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};
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const onPrevImage = e => {
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e.stopPropagation(); // Prevent closing the lightbox
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const images = imagesToDisplay.get();
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const currentId = selectedImageId.get();
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const currentIndex = images.findIndex(img => img.id === currentId);
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const prevIndex = (currentIndex - 1 + images.length) % images.length;
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selectedImageId.set(images[prevIndex].id);
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};
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const onNextImage = e => {
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e.stopPropagation(); // Prevent closing the lightbox
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const images = imagesToDisplay.get();
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const currentId = selectedImageId.get();
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const currentIndex = images.findIndex(img => img.id === currentId);
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const nextIndex = (currentIndex + 1) % images.length;
|
||||
selectedImageId.set(images[nextIndex].id);
|
||||
};
|
||||
const onFilterChange = tag => on("click", () => {
|
||||
filterTag.set(tag);
|
||||
});
|
||||
|
||||
// Keyboard navigation handler
|
||||
function handleKeyDown(e) {
|
||||
switch(e.key) {
|
||||
case 'Escape':
|
||||
closeLightbox();
|
||||
break;
|
||||
case 'ArrowLeft':
|
||||
document.querySelector('.lightbox-prev-btn').click();
|
||||
break;
|
||||
case 'ArrowRight':
|
||||
document.querySelector('.lightbox-next-btn').click();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Build the gallery UI
|
||||
return el("div", { className: "gallery-container" }).append(
|
||||
// Gallery header
|
||||
el("header", { className: "gallery-header" }).append(
|
||||
el("h1", "Interactive Image Gallery"),
|
||||
el("p", "Click on any image to view it in the lightbox. Use arrow keys for navigation.")
|
||||
),
|
||||
|
||||
// Filter options
|
||||
el("div", { className: "gallery-filters" }).append(
|
||||
el("button", {
|
||||
classList: { active: S(() => filterTag.get() === 'all') },
|
||||
textContent: "All"
|
||||
}, onFilterChange('all')),
|
||||
el("button", {
|
||||
classList: { active: S(() => filterTag.get() === 'nature') },
|
||||
textContent: "Nature"
|
||||
}, onFilterChange('nature')),
|
||||
el("button", {
|
||||
classList: { active: S(() => filterTag.get() === 'urban') },
|
||||
textContent: "Urban"
|
||||
}, onFilterChange('urban')),
|
||||
el("button", {
|
||||
classList: { active: S(() => filterTag.get() === 'people') },
|
||||
textContent: "People"
|
||||
}, onFilterChange('people'))
|
||||
),
|
||||
|
||||
// Image grid
|
||||
el("div", { className: "gallery-grid" }).append(
|
||||
S.el(imagesToDisplay, images =>
|
||||
images.map(image =>
|
||||
memo(image.id, ()=>
|
||||
el("div", {
|
||||
className: "gallery-item",
|
||||
dataTag: image.alt.toLowerCase()
|
||||
}).append(
|
||||
el("img", {
|
||||
src: image.src,
|
||||
alt: image.alt,
|
||||
loading: "lazy"
|
||||
}, onImageClick(image.id)),
|
||||
el("div", { className: "gallery-item-caption" }).append(
|
||||
el("h3", image.title),
|
||||
el("p", image.alt)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
),
|
||||
|
||||
// Lightbox (only shown when an image is selected)
|
||||
S.el(isLightboxOpen, open => !open
|
||||
? el()
|
||||
: el("div", { className: "lightbox-overlay" }, on("click", closeLightbox)).append(
|
||||
el("div", {
|
||||
className: "lightbox-content",
|
||||
onClick: e => e.stopPropagation() // Prevent closing when clicking inside
|
||||
}).append(
|
||||
el("button", {
|
||||
className: "lightbox-close-btn",
|
||||
"aria-label": "Close lightbox"
|
||||
}, on("click", closeLightbox)).append("×"),
|
||||
|
||||
el("button", {
|
||||
className: "lightbox-prev-btn",
|
||||
"aria-label": "Previous image"
|
||||
}, on("click", onPrevImage)).append("❮"),
|
||||
|
||||
el("button", {
|
||||
className: "lightbox-next-btn",
|
||||
"aria-label": "Next image"
|
||||
}, on("click", onNextImage)).append("❯"),
|
||||
|
||||
S.el(selectedImage, img => !img
|
||||
? el()
|
||||
: el("div", { className: "lightbox-image-container" }).append(
|
||||
el("img", {
|
||||
src: img.src,
|
||||
alt: img.alt,
|
||||
className: "lightbox-image"
|
||||
}),
|
||||
el("div", { className: "lightbox-caption" }).append(
|
||||
el("h2", img.title),
|
||||
el("p", img.alt)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// Render the component
|
||||
document.body.append(
|
||||
el("div", { style: "padding: 20px; background: #f5f5f5; min-height: 100vh;" }).append(
|
||||
el(ImageGallery)
|
||||
),
|
||||
el("style", `
|
||||
.gallery-container {
|
||||
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
|
||||
max-width: 1200px;
|
||||
margin: 0 auto;
|
||||
padding: 2rem;
|
||||
}
|
||||
|
||||
.gallery-header {
|
||||
text-align: center;
|
||||
margin-bottom: 2rem;
|
||||
}
|
||||
|
||||
.gallery-header h1 {
|
||||
margin-bottom: 0.5rem;
|
||||
color: #333;
|
||||
}
|
||||
|
||||
.gallery-header p {
|
||||
color: #666;
|
||||
}
|
||||
|
||||
.gallery-filters {
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
margin-bottom: 2rem;
|
||||
flex-wrap: wrap;
|
||||
}
|
||||
|
||||
.gallery-filters button {
|
||||
background: none;
|
||||
border: none;
|
||||
padding: 0.5rem 1.5rem;
|
||||
margin: 0 0.5rem;
|
||||
font-size: 1rem;
|
||||
cursor: pointer;
|
||||
border-radius: 30px;
|
||||
transition: all 0.3s ease;
|
||||
color: #555;
|
||||
}
|
||||
|
||||
.gallery-filters button:hover {
|
||||
background: #f0f0f0;
|
||||
}
|
||||
|
||||
.gallery-filters button.active {
|
||||
background: #4a90e2;
|
||||
color: white;
|
||||
}
|
||||
|
||||
.gallery-grid {
|
||||
display: grid;
|
||||
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
|
||||
gap: 1.5rem;
|
||||
}
|
||||
|
||||
.gallery-item {
|
||||
position: relative;
|
||||
border-radius: 8px;
|
||||
overflow: hidden;
|
||||
box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
|
||||
transition: transform 0.3s ease, box-shadow 0.3s ease;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.gallery-item:hover {
|
||||
transform: translateY(-5px);
|
||||
box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
|
||||
}
|
||||
|
||||
.gallery-item img {
|
||||
width: 100%;
|
||||
height: 200px;
|
||||
object-fit: cover;
|
||||
display: block;
|
||||
transition: transform 0.5s ease;
|
||||
}
|
||||
|
||||
.gallery-item:hover img {
|
||||
transform: scale(1.05);
|
||||
}
|
||||
|
||||
.gallery-item-caption {
|
||||
position: absolute;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
right: 0;
|
||||
background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
|
||||
color: white;
|
||||
padding: 1rem;
|
||||
transform: translateY(100%);
|
||||
transition: transform 0.3s ease;
|
||||
}
|
||||
|
||||
.gallery-item:hover .gallery-item-caption {
|
||||
transform: translateY(0);
|
||||
}
|
||||
|
||||
.gallery-item-caption h3 {
|
||||
margin: 0 0 0.5rem;
|
||||
font-size: 1.2rem;
|
||||
}
|
||||
|
||||
.gallery-item-caption p {
|
||||
margin: 0;
|
||||
font-size: 0.9rem;
|
||||
opacity: 0.8;
|
||||
}
|
||||
|
||||
/* Lightbox styles */
|
||||
.lightbox-overlay {
|
||||
position: fixed;
|
||||
top: 0;
|
||||
left: 0;
|
||||
right: 0;
|
||||
bottom: 0;
|
||||
background: rgba(0, 0, 0, 0.9);
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
z-index: 1000;
|
||||
padding: 2rem;
|
||||
}
|
||||
|
||||
.lightbox-content {
|
||||
position: relative;
|
||||
max-width: 90%;
|
||||
max-height: 90%;
|
||||
}
|
||||
|
||||
.lightbox-image-container {
|
||||
overflow: hidden;
|
||||
border-radius: 4px;
|
||||
box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
|
||||
background: #000;
|
||||
}
|
||||
|
||||
.lightbox-image {
|
||||
max-width: 100%;
|
||||
max-height: 80vh;
|
||||
display: block;
|
||||
margin: 0 auto;
|
||||
}
|
||||
|
||||
.lightbox-caption {
|
||||
background: #222;
|
||||
color: white;
|
||||
padding: 1rem;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.lightbox-caption h2 {
|
||||
margin: 0 0 0.5rem;
|
||||
}
|
||||
|
||||
.lightbox-caption p {
|
||||
margin: 0;
|
||||
opacity: 0.8;
|
||||
}
|
||||
|
||||
.lightbox-close-btn,
|
||||
.lightbox-prev-btn,
|
||||
.lightbox-next-btn {
|
||||
background: rgba(0, 0, 0, 0.5);
|
||||
color: white;
|
||||
border: none;
|
||||
font-size: 1.5rem;
|
||||
width: 50px;
|
||||
height: 50px;
|
||||
border-radius: 50%;
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
cursor: pointer;
|
||||
transition: background 0.3s ease;
|
||||
position: absolute;
|
||||
}
|
||||
|
||||
.lightbox-close-btn:hover,
|
||||
.lightbox-prev-btn:hover,
|
||||
.lightbox-next-btn:hover {
|
||||
background: rgba(0, 0, 0, 0.8);
|
||||
}
|
||||
|
||||
.lightbox-close-btn {
|
||||
top: -25px;
|
||||
right: -25px;
|
||||
}
|
||||
|
||||
.lightbox-prev-btn {
|
||||
left: -25px;
|
||||
top: 50%;
|
||||
transform: translateY(-50%);
|
||||
}
|
||||
|
||||
.lightbox-next-btn {
|
||||
right: -25px;
|
||||
top: 50%;
|
||||
transform: translateY(-50%);
|
||||
}
|
||||
|
||||
@media (max-width: 768px) {
|
||||
.gallery-container {
|
||||
padding: 1rem;
|
||||
}
|
||||
|
||||
.gallery-grid {
|
||||
grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
|
||||
gap: 1rem;
|
||||
}
|
||||
|
||||
.lightbox-prev-btn,
|
||||
.lightbox-next-btn {
|
||||
width: 40px;
|
||||
height: 40px;
|
||||
font-size: 1.2rem;
|
||||
}
|
||||
}
|
||||
`)
|
||||
);
|
||||
342
docs/components/examples/case-studies/interactive-form.js
Normal file
342
docs/components/examples/case-studies/interactive-form.js
Normal file
@ -0,0 +1,342 @@
|
||||
/**
|
||||
* Case Study: Interactive Form with Validation
|
||||
*
|
||||
* This example demonstrates:
|
||||
* - Form handling with real-time validation
|
||||
* - Reactive UI updates based on input state
|
||||
* - Complex form state management
|
||||
* - Clean separation of concerns (data, validation, UI)
|
||||
*/
|
||||
|
||||
import { dispatchEvent, el, on, scope } from "deka-dom-el";
|
||||
import { S } from "deka-dom-el/signals";
|
||||
|
||||
/**
|
||||
* @typedef {Object} FormState
|
||||
* @property {string} name
|
||||
* @property {string} email
|
||||
* @property {string} password
|
||||
* @property {string} confirmPassword
|
||||
* @property {boolean} agreedToTerms
|
||||
* */
|
||||
/**
|
||||
* Interactive Form with Validation Component
|
||||
* @returns {HTMLElement} Form element
|
||||
*/
|
||||
export function InteractiveForm() {
|
||||
const submitted = S(false);
|
||||
/** @type {FormState|null} */
|
||||
let formState = null;
|
||||
/** @param {CustomEvent<FormState>} event */
|
||||
const onSubmit = ({ detail }) => {
|
||||
submitted.set(true);
|
||||
formState = detail;
|
||||
};
|
||||
const onAnotherAccount = () => {
|
||||
submitted.set(false)
|
||||
formState = null;
|
||||
};
|
||||
|
||||
return el("div", { className: "form-container" }).append(
|
||||
S.el(submitted, s => s
|
||||
? el("div", { className: "success-message" }).append(
|
||||
el("h3", "Thank you for registering!"),
|
||||
el("p", `Welcome, ${formState.name}! Your account has been created successfully.`),
|
||||
el("button", { textContent: "Register another account", type: "button" },
|
||||
on("click", onAnotherAccount)
|
||||
),
|
||||
)
|
||||
: el(Form, { initial: formState }, on("form:submit", onSubmit))
|
||||
)
|
||||
);
|
||||
}
|
||||
/**
|
||||
* Form Component
|
||||
* @type {(props: { initial: FormState | null }) => HTMLElement}
|
||||
* */
|
||||
export function Form({ initial }) {
|
||||
const { host }= scope;
|
||||
// Form state management
|
||||
const formState = S(initial || {
|
||||
name: '',
|
||||
email: '',
|
||||
password: '',
|
||||
confirmPassword: '',
|
||||
agreedToTerms: false
|
||||
}, {
|
||||
/**
|
||||
* @template {keyof FormState} K
|
||||
* @param {K} key
|
||||
* @param {FormState[K]} value
|
||||
* */
|
||||
update(key, value) {
|
||||
this.value[key] = value;
|
||||
}
|
||||
});
|
||||
|
||||
// Derived signals for validation
|
||||
const nameValid = S(() => formState.get().name.length >= 3);
|
||||
const emailValid = S(() => {
|
||||
const email = formState.get().email;
|
||||
return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
|
||||
});
|
||||
const passwordValid = S(() => {
|
||||
const password = formState.get().password;
|
||||
return password.length >= 8 && /[A-Z]/.test(password) && /[0-9]/.test(password);
|
||||
});
|
||||
const passwordsMatch = S(() => {
|
||||
const { password, confirmPassword } = formState.get();
|
||||
return password === confirmPassword && confirmPassword !== '';
|
||||
});
|
||||
const termsAgreed = S(() => formState.get().agreedToTerms);
|
||||
|
||||
// Overall form validity
|
||||
const formValid = S(() =>
|
||||
nameValid.get() &&
|
||||
emailValid.get() &&
|
||||
passwordValid.get() &&
|
||||
passwordsMatch.get() &&
|
||||
termsAgreed.get()
|
||||
);
|
||||
|
||||
// Event handlers
|
||||
/**
|
||||
* Event handler for input events
|
||||
* @param {"value"|"checked"} prop
|
||||
* @returns {(ev: Event) => void}
|
||||
* */
|
||||
const onChange= prop => ev => {
|
||||
const input = /** @type {HTMLInputElement} */(ev.target);
|
||||
S.action(formState, "update", /** @type {keyof FormState} */(input.id), input[prop]);
|
||||
};
|
||||
const dispatcSubmit = dispatchEvent("form:submit", host);
|
||||
const onSubmit = on("submit", e => {
|
||||
e.preventDefault();
|
||||
if (!formValid.get()) {
|
||||
return;
|
||||
}
|
||||
|
||||
dispatcSubmit(formState.get());
|
||||
});
|
||||
|
||||
// Component UI
|
||||
return el("form", { className: "registration-form" }, onSubmit).append(
|
||||
el("h2", "Create an Account"),
|
||||
|
||||
// Name field
|
||||
el("div", { classList: {
|
||||
"form-group": true,
|
||||
valid: nameValid,
|
||||
invalid: S(()=> !nameValid.get() && formState.get().name)
|
||||
}}).append(
|
||||
el("label", { htmlFor: "name", textContent: "Full Name" }),
|
||||
el("input", {
|
||||
id: "name",
|
||||
type: "text",
|
||||
value: formState.get().name,
|
||||
placeholder: "Enter your full name"
|
||||
}, on("input", onChange("value"))),
|
||||
el("div", { className: "validation-message", textContent: "Name must be at least 3 characters long" }),
|
||||
),
|
||||
|
||||
// Email field
|
||||
el("div", { classList: {
|
||||
"form-group": true,
|
||||
valid: emailValid,
|
||||
invalid: S(()=> !emailValid.get() && formState.get().email)
|
||||
}}).append(
|
||||
el("label", { htmlFor: "email", textContent: "Email Address" }),
|
||||
el("input", {
|
||||
id: "email",
|
||||
type: "email",
|
||||
value: formState.get().email,
|
||||
placeholder: "Enter your email address"
|
||||
}, on("input", onChange("value"))),
|
||||
el("div", { className: "validation-message", textContent: "Please enter a valid email address" })
|
||||
),
|
||||
|
||||
// Password field
|
||||
el("div", { classList: {
|
||||
"form-group": true,
|
||||
valid: passwordValid,
|
||||
invalid: S(()=> !passwordValid.get() && formState.get().password)
|
||||
}}).append(
|
||||
el("label", { htmlFor: "password", textContent: "Password" }),
|
||||
el("input", {
|
||||
id: "password",
|
||||
type: "password",
|
||||
value: formState.get().password,
|
||||
placeholder: "Create a password"
|
||||
}, on("input", onChange("value"))),
|
||||
el("div", {
|
||||
className: "validation-message",
|
||||
textContent: "Password must be at least 8 characters with at least one uppercase letter and one number",
|
||||
}),
|
||||
),
|
||||
|
||||
// Confirm password field
|
||||
el("div", { classList: {
|
||||
"form-group": true,
|
||||
valid: passwordsMatch,
|
||||
invalid: S(()=> !passwordsMatch.get() && formState.get().confirmPassword)
|
||||
}}).append(
|
||||
el("label", { htmlFor: "confirmPassword", textContent: "Confirm Password" }),
|
||||
el("input", {
|
||||
id: "confirmPassword",
|
||||
type: "password",
|
||||
value: formState.get().confirmPassword,
|
||||
placeholder: "Confirm your password"
|
||||
}, on("input", onChange("value"))),
|
||||
el("div", { className: "validation-message", textContent: "Passwords must match" }),
|
||||
),
|
||||
|
||||
// Terms agreement
|
||||
el("div", { className: "form-group checkbox-group" }).append(
|
||||
el("input", {
|
||||
id: "agreedToTerms",
|
||||
type: "checkbox",
|
||||
checked: formState.get().agreedToTerms
|
||||
}, on("change", onChange("checked"))),
|
||||
el("label", { htmlFor: "agreedToTerms", textContent: "I agree to the Terms and Conditions" }),
|
||||
),
|
||||
|
||||
// Submit button
|
||||
el("button", {
|
||||
textContent: "Create Account",
|
||||
type: "submit",
|
||||
className: "submit-button",
|
||||
disabled: S(() => !formValid.get())
|
||||
}),
|
||||
);
|
||||
}
|
||||
|
||||
// Render the component
|
||||
document.body.append(
|
||||
el("div", { style: "padding: 20px; background: #f5f5f5; min-height: 100vh;" }).append(
|
||||
el(InteractiveForm)
|
||||
),
|
||||
el("style", `
|
||||
.form-container {
|
||||
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
|
||||
max-width: 500px;
|
||||
margin: 0 auto;
|
||||
padding: 2rem;
|
||||
border-radius: 8px;
|
||||
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
|
||||
background: #fff;
|
||||
}
|
||||
|
||||
h2 {
|
||||
margin-top: 0;
|
||||
color: #333;
|
||||
margin-bottom: 1.5rem;
|
||||
}
|
||||
|
||||
.form-group {
|
||||
margin-bottom: 1.5rem;
|
||||
position: relative;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
|
||||
label {
|
||||
display: block;
|
||||
margin-bottom: 0.5rem;
|
||||
color: #555;
|
||||
font-weight: 500;
|
||||
}
|
||||
|
||||
input[type="text"],
|
||||
input[type="email"],
|
||||
input[type="password"] {
|
||||
width: 100%;
|
||||
padding: 0.75rem;
|
||||
border: 1px solid #ddd;
|
||||
border-radius: 4px;
|
||||
font-size: 1rem;
|
||||
transition: border-color 0.3s ease;
|
||||
}
|
||||
|
||||
input:focus {
|
||||
outline: none;
|
||||
border-color: #4a90e2;
|
||||
box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
|
||||
}
|
||||
|
||||
.checkbox-group {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
}
|
||||
|
||||
.checkbox-group label {
|
||||
margin: 0 0 0 0.5rem;
|
||||
}
|
||||
|
||||
.validation-message {
|
||||
font-size: 0.85rem;
|
||||
color: #e74c3c;
|
||||
margin-top: 0.5rem;
|
||||
height: 0;
|
||||
overflow: hidden;
|
||||
opacity: 0;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
|
||||
.form-group.invalid .validation-message {
|
||||
height: auto;
|
||||
opacity: 1;
|
||||
}
|
||||
|
||||
.form-group.valid input {
|
||||
border-color: #2ecc71;
|
||||
}
|
||||
|
||||
.form-group.invalid input {
|
||||
border-color: #e74c3c;
|
||||
}
|
||||
|
||||
.submit-button {
|
||||
background-color: #4a90e2;
|
||||
color: white;
|
||||
border: none;
|
||||
border-radius: 4px;
|
||||
padding: 0.75rem 1.5rem;
|
||||
font-size: 1rem;
|
||||
cursor: pointer;
|
||||
transition: background-color 0.3s ease;
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
.submit-button:hover:not(:disabled) {
|
||||
background-color: #3a7bc8;
|
||||
}
|
||||
|
||||
.submit-button:disabled {
|
||||
background-color: #b5b5b5;
|
||||
cursor: not-allowed;
|
||||
}
|
||||
|
||||
.success-message {
|
||||
text-align: center;
|
||||
color: #2ecc71;
|
||||
}
|
||||
|
||||
.success-message h3 {
|
||||
margin-top: 0;
|
||||
}
|
||||
|
||||
.success-message button {
|
||||
background-color: #2ecc71;
|
||||
color: white;
|
||||
border: none;
|
||||
border-radius: 4px;
|
||||
padding: 0.75rem 1.5rem;
|
||||
font-size: 1rem;
|
||||
cursor: pointer;
|
||||
margin-top: 1rem;
|
||||
}
|
||||
|
||||
.success-message button:hover {
|
||||
background-color: #27ae60;
|
||||
}
|
||||
`),
|
||||
);
|
||||
717
docs/components/examples/case-studies/task-manager.js
Normal file
717
docs/components/examples/case-studies/task-manager.js
Normal file
@ -0,0 +1,717 @@
|
||||
/**
|
||||
* Case Study: Task Manager Application
|
||||
*
|
||||
* This example demonstrates:
|
||||
* - Complex state management with signals
|
||||
* - Drag and drop functionality
|
||||
* - Local storage persistence
|
||||
* - Responsive design for different devices
|
||||
*/
|
||||
|
||||
import { el, on } from "deka-dom-el";
|
||||
import { S } from "deka-dom-el/signals";
|
||||
|
||||
/**
|
||||
* Task Manager Component
|
||||
* @returns {HTMLElement} Task manager UI
|
||||
*/
|
||||
export function TaskManager() {
|
||||
// Local storage key
|
||||
const STORAGE_KEY = 'dde-task-manager';
|
||||
|
||||
// Task statuses
|
||||
const STATUSES = {
|
||||
TODO: 'todo',
|
||||
IN_PROGRESS: 'in-progress',
|
||||
DONE: 'done'
|
||||
};
|
||||
|
||||
// Initial tasks from localStorage or defaults
|
||||
let initialTasks = [];
|
||||
try {
|
||||
const saved = localStorage.getItem(STORAGE_KEY);
|
||||
if (saved) {
|
||||
initialTasks = JSON.parse(saved);
|
||||
}
|
||||
} catch (e) {
|
||||
console.error('Failed to load tasks from localStorage', e);
|
||||
}
|
||||
|
||||
if (!initialTasks.length) {
|
||||
// Default tasks if nothing in localStorage
|
||||
initialTasks = [
|
||||
{ id: 1, title: 'Create project structure', description: 'Set up folders and initial files', status: STATUSES.DONE, priority: 'high' },
|
||||
{ id: 2, title: 'Design UI components', description: 'Create mockups for main views', status: STATUSES.IN_PROGRESS, priority: 'medium' },
|
||||
{ id: 3, title: 'Implement authentication', description: 'Set up user login and registration', status: STATUSES.TODO, priority: 'high' },
|
||||
{ id: 4, title: 'Write documentation', description: 'Document API endpoints and usage examples', status: STATUSES.TODO, priority: 'low' },
|
||||
];
|
||||
}
|
||||
|
||||
// Application state
|
||||
const tasks = S(initialTasks, {
|
||||
add(task) { this.value.push(task); },
|
||||
remove(id) { this.value = this.value.filter(task => task.id !== id); },
|
||||
update(id, task) {
|
||||
const current= this.value.find(t => t.id === id);
|
||||
if (current) Object.assign(current, task);
|
||||
// TODO: known bug for derived signals (the object is the same)
|
||||
// so filteredTasks is not updated, hotfix ↙
|
||||
this.value = structuredClone(this.value);
|
||||
}
|
||||
});
|
||||
const newTaskTitle = S('');
|
||||
const newTaskDescription = S('');
|
||||
const newTaskPriority = S('medium');
|
||||
const editingTaskId = S(null);
|
||||
const draggedTaskId = S(null);
|
||||
const filterPriority = S('all');
|
||||
const searchQuery = S('');
|
||||
|
||||
// Save tasks to localStorage whenever they change
|
||||
S.on(tasks, value => {
|
||||
try {
|
||||
localStorage.setItem(STORAGE_KEY, JSON.stringify(value));
|
||||
} catch (e) {
|
||||
console.error('Failed to save tasks to localStorage', e);
|
||||
}
|
||||
});
|
||||
|
||||
// Filtered tasks based on priority and search query
|
||||
const filteredTasks = S(() => {
|
||||
let filtered = tasks.get();
|
||||
|
||||
// Filter by priority
|
||||
if (filterPriority.get() !== 'all') {
|
||||
filtered = filtered.filter(task => task.priority === filterPriority.get());
|
||||
}
|
||||
|
||||
// Filter by search query
|
||||
const query = searchQuery.get().toLowerCase();
|
||||
if (query) {
|
||||
filtered = filtered.filter(task =>
|
||||
task.title.toLowerCase().includes(query) ||
|
||||
task.description.toLowerCase().includes(query)
|
||||
);
|
||||
}
|
||||
|
||||
return filtered;
|
||||
});
|
||||
|
||||
// Tasks grouped by status for display in columns
|
||||
const tasksByStatus = S(() => {
|
||||
const filtered = filteredTasks.get();
|
||||
return {
|
||||
[STATUSES.TODO]: filtered.filter(t => t.status === STATUSES.TODO),
|
||||
[STATUSES.IN_PROGRESS]: filtered.filter(t => t.status === STATUSES.IN_PROGRESS),
|
||||
[STATUSES.DONE]: filtered.filter(t => t.status === STATUSES.DONE)
|
||||
};
|
||||
});
|
||||
|
||||
// Event handlers
|
||||
const onAddTask = e => {
|
||||
e.preventDefault();
|
||||
|
||||
const title = newTaskTitle.get().trim();
|
||||
if (!title) return;
|
||||
|
||||
const newTask = {
|
||||
id: Date.now(),
|
||||
title,
|
||||
description: newTaskDescription.get().trim(),
|
||||
status: STATUSES.TODO,
|
||||
priority: newTaskPriority.get()
|
||||
};
|
||||
|
||||
S.action(tasks, "add", newTask);
|
||||
newTaskTitle.set('');
|
||||
newTaskDescription.set('');
|
||||
newTaskPriority.set('medium');
|
||||
};
|
||||
const onDeleteTask = id => e => {
|
||||
e.stopPropagation();
|
||||
S.action(tasks, "remove", id);
|
||||
};
|
||||
const onEditStart = id => () => {
|
||||
editingTaskId.set(id);
|
||||
};
|
||||
const onEditCancel = () => {
|
||||
editingTaskId.set(null);
|
||||
};
|
||||
const onEditSave = id => e => {
|
||||
e.preventDefault();
|
||||
const form = e.target;
|
||||
const title = form.elements.title.value.trim();
|
||||
|
||||
if (!title) return;
|
||||
|
||||
tasks.set(tasks.get().map(task =>
|
||||
task.id === id
|
||||
? {
|
||||
...task,
|
||||
title,
|
||||
description: form.elements.description.value.trim(),
|
||||
priority: form.elements.priority.value
|
||||
}
|
||||
: task
|
||||
));
|
||||
|
||||
editingTaskId.set(null);
|
||||
};
|
||||
|
||||
function onDragable(id) {
|
||||
return element => {
|
||||
on("dragstart", e => {
|
||||
draggedTaskId.set(id);
|
||||
e.dataTransfer.effectAllowed = 'move';
|
||||
|
||||
// Add some styling to the element being dragged
|
||||
setTimeout(() => {
|
||||
const el = document.getElementById(`task-${id}`);
|
||||
if (el) el.classList.add('dragging');
|
||||
}, 0);
|
||||
})(element);
|
||||
|
||||
on("dragend", () => {
|
||||
draggedTaskId.set(null);
|
||||
|
||||
// Remove the styling
|
||||
const el = document.getElementById(`task-${id}`);
|
||||
if (el) el.classList.remove('dragging');
|
||||
})(element);
|
||||
};
|
||||
}
|
||||
function onDragArea(status) {
|
||||
return element => {
|
||||
on("dragover", e => {
|
||||
e.preventDefault();
|
||||
e.dataTransfer.dropEffect = 'move';
|
||||
|
||||
// Add a visual indicator for the drop target
|
||||
const column = document.getElementById(`column-${status}`);
|
||||
if (column) column.classList.add('drag-over');
|
||||
})(element);
|
||||
|
||||
on("dragleave", () => {
|
||||
// Remove the visual indicator
|
||||
const column = document.getElementById(`column-${status}`);
|
||||
if (column) column.classList.remove('drag-over');
|
||||
})(element);
|
||||
|
||||
on("drop", e => {
|
||||
e.preventDefault();
|
||||
const id = draggedTaskId.get();
|
||||
if (id) S.action(tasks, "update", id, { status });
|
||||
// Remove the visual indicator
|
||||
const column = document.getElementById(`column-${status}`);
|
||||
if (column) column.classList.remove('drag-over');
|
||||
})(element);
|
||||
};
|
||||
}
|
||||
|
||||
// Helper function to render a task card
|
||||
function renderTaskCard(task) {
|
||||
const isEditing = S(() => editingTaskId.get() === task.id);
|
||||
|
||||
return el("div", {
|
||||
id: `task-${task.id}`,
|
||||
className: `task-card priority-${task.priority}`,
|
||||
draggable: true
|
||||
}, onDragable(task.id)).append(
|
||||
S.el(isEditing, editing => editing
|
||||
// Edit mode
|
||||
? el("form", { className: "task-edit-form" }, on("submit", onEditSave(task.id))).append(
|
||||
el("input", {
|
||||
name: "title",
|
||||
className: "task-title-input",
|
||||
defaultValue: task.title,
|
||||
placeholder: "Task title",
|
||||
required: true,
|
||||
autoFocus: true
|
||||
}),
|
||||
el("textarea", {
|
||||
name: "description",
|
||||
className: "task-desc-input",
|
||||
defaultValue: task.description,
|
||||
placeholder: "Description (optional)"
|
||||
}),
|
||||
el("select", {
|
||||
name: "priority",
|
||||
}, on.host(el=> el.value = task.priority)).append(
|
||||
el("option", { value: "low", textContent: "Low Priority" }),
|
||||
el("option", { value: "medium", textContent: "Medium Priority" }),
|
||||
el("option", { value: "high", textContent: "High Priority" })
|
||||
),
|
||||
el("div", { className: "task-edit-actions" }).append(
|
||||
el("button", {
|
||||
type: "button",
|
||||
className: "cancel-btn"
|
||||
}, on("click", onEditCancel)).append("Cancel"),
|
||||
el("button", {
|
||||
type: "submit",
|
||||
className: "save-btn"
|
||||
}).append("Save")
|
||||
)
|
||||
)
|
||||
// View mode
|
||||
: el().append(
|
||||
el("div", { className: "task-header" }).append(
|
||||
el("h3", { className: "task-title", textContent: task.title }),
|
||||
el("div", { className: "task-actions" }).append(
|
||||
el("button", {
|
||||
className: "edit-btn",
|
||||
"aria-label": "Edit task"
|
||||
}, on("click", onEditStart(task.id))).append("✎"),
|
||||
el("button", {
|
||||
className: "delete-btn",
|
||||
"aria-label": "Delete task"
|
||||
}, on("click", onDeleteTask(task.id))).append("×")
|
||||
)
|
||||
),
|
||||
task.description
|
||||
? el("p", { className: "task-description", textContent: task.description })
|
||||
: el(),
|
||||
el("div", { className: "task-meta" }).append(
|
||||
el("span", {
|
||||
className: `priority-badge priority-${task.priority}`,
|
||||
textContent: task.priority.charAt(0).toUpperCase() + task.priority.slice(1)
|
||||
})
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
// Build the task manager UI
|
||||
return el("div", { className: "task-manager" }).append(
|
||||
el("header", { className: "app-header" }).append(
|
||||
el("h1", "DDE Task Manager"),
|
||||
el("div", { className: "app-controls" }).append(
|
||||
el("input", {
|
||||
type: "text",
|
||||
placeholder: "Search tasks...",
|
||||
value: searchQuery.get()
|
||||
}, on("input", e => searchQuery.set(e.target.value))),
|
||||
el("select", null,
|
||||
on.host(el=> el.value= filterPriority.get()),
|
||||
on("change", e => filterPriority.set(e.target.value))
|
||||
).append(
|
||||
el("option", { value: "all", textContent: "All Priorities" }),
|
||||
el("option", { value: "low", textContent: "Low Priority" }),
|
||||
el("option", { value: "medium", textContent: "Medium Priority" }),
|
||||
el("option", { value: "high", textContent: "High Priority" })
|
||||
)
|
||||
)
|
||||
),
|
||||
|
||||
// Add new task form
|
||||
el("form", { className: "new-task-form" }, on("submit", onAddTask)).append(
|
||||
el("div", { className: "form-row" }).append(
|
||||
el("input", {
|
||||
type: "text",
|
||||
placeholder: "New task title",
|
||||
value: newTaskTitle.get(),
|
||||
required: true
|
||||
}, on("input", e => newTaskTitle.set(e.target.value))),
|
||||
el("select", null,
|
||||
on.host(el=> el.value= newTaskPriority.get()),
|
||||
on("change", e => newTaskPriority.set(e.target.value))
|
||||
).append(
|
||||
el("option", { value: "low", textContent: "Low" }),
|
||||
el("option", { value: "medium", textContent: "Medium" }),
|
||||
el("option", { value: "high", textContent: "High" })
|
||||
),
|
||||
el("button", { type: "submit", className: "add-btn" }).append("Add Task")
|
||||
),
|
||||
el("textarea", {
|
||||
placeholder: "Task description (optional)",
|
||||
value: newTaskDescription.get()
|
||||
}, on("input", e => newTaskDescription.set(e.target.value)))
|
||||
),
|
||||
|
||||
// Task board with columns
|
||||
el("div", { className: "task-board" }).append(
|
||||
// Todo column
|
||||
el("div", {
|
||||
id: `column-${STATUSES.TODO}`,
|
||||
className: "task-column"
|
||||
}, onDragArea(STATUSES.TODO)).append(
|
||||
el("h2", { className: "column-header" }).append(
|
||||
"To Do ",
|
||||
el("span", { className: "task-count" }).append(
|
||||
S(() => tasksByStatus.get()[STATUSES.TODO].length)
|
||||
)
|
||||
),
|
||||
S.el(S(() => tasksByStatus.get()[STATUSES.TODO]), tasks =>
|
||||
el("div", { className: "column-tasks" }).append(
|
||||
...tasks.map(renderTaskCard)
|
||||
)
|
||||
)
|
||||
),
|
||||
|
||||
// In Progress column
|
||||
el("div", {
|
||||
id: `column-${STATUSES.IN_PROGRESS}`,
|
||||
className: "task-column"
|
||||
}, onDragArea(STATUSES.IN_PROGRESS)).append(
|
||||
el("h2", { className: "column-header" }).append(
|
||||
"In Progress ",
|
||||
el("span", { className: "task-count" }).append(
|
||||
S(() => tasksByStatus.get()[STATUSES.IN_PROGRESS].length)
|
||||
)
|
||||
),
|
||||
S.el(S(() => tasksByStatus.get()[STATUSES.IN_PROGRESS]), tasks =>
|
||||
el("div", { className: "column-tasks" }).append(
|
||||
...tasks.map(renderTaskCard)
|
||||
)
|
||||
)
|
||||
),
|
||||
|
||||
// Done column
|
||||
el("div", {
|
||||
id: `column-${STATUSES.DONE}`,
|
||||
className: "task-column"
|
||||
}, onDragArea(STATUSES.DONE)).append(
|
||||
el("h2", { className: "column-header" }).append(
|
||||
"Done ",
|
||||
el("span", { className: "task-count" }).append(
|
||||
S(() => tasksByStatus.get()[STATUSES.DONE].length)
|
||||
)
|
||||
),
|
||||
S.el(S(() => tasksByStatus.get()[STATUSES.DONE]), tasks =>
|
||||
el("div", { className: "column-tasks" }).append(
|
||||
...tasks.map(renderTaskCard)
|
||||
)
|
||||
)
|
||||
)
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// Render the component
|
||||
document.body.append(
|
||||
el("div", { style: "padding: 20px; background: #f5f5f5; min-height: 100vh;" }).append(
|
||||
el(TaskManager)
|
||||
),
|
||||
el("style", `
|
||||
.task-manager {
|
||||
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
|
||||
max-width: 1200px;
|
||||
margin: 0 auto;
|
||||
padding: 1rem;
|
||||
color: #333;
|
||||
}
|
||||
|
||||
.app-header {
|
||||
display: flex;
|
||||
justify-content: space-between;
|
||||
align-items: center;
|
||||
margin-bottom: 1.5rem;
|
||||
flex-wrap: wrap;
|
||||
gap: 1rem;
|
||||
}
|
||||
|
||||
.app-header h1 {
|
||||
margin: 0;
|
||||
color: #2d3748;
|
||||
}
|
||||
|
||||
.app-controls {
|
||||
display: flex;
|
||||
gap: 1rem;
|
||||
}
|
||||
|
||||
.app-controls input,
|
||||
.app-controls select {
|
||||
padding: 0.5rem;
|
||||
border: 1px solid #e2e8f0;
|
||||
border-radius: 4px;
|
||||
font-size: 0.9rem;
|
||||
}
|
||||
|
||||
.new-task-form {
|
||||
background: white;
|
||||
padding: 1.5rem;
|
||||
border-radius: 8px;
|
||||
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
|
||||
margin-bottom: 2rem;
|
||||
}
|
||||
|
||||
.form-row {
|
||||
display: flex;
|
||||
gap: 1rem;
|
||||
margin-bottom: 1rem;
|
||||
}
|
||||
|
||||
.form-row input {
|
||||
flex-grow: 1;
|
||||
padding: 0.75rem;
|
||||
border: 1px solid #e2e8f0;
|
||||
border-radius: 4px;
|
||||
font-size: 1rem;
|
||||
}
|
||||
|
||||
.form-row select {
|
||||
width: 100px;
|
||||
padding: 0.75rem;
|
||||
border: 1px solid #e2e8f0;
|
||||
border-radius: 4px;
|
||||
font-size: 1rem;
|
||||
}
|
||||
|
||||
.add-btn {
|
||||
background: #4a90e2;
|
||||
color: white;
|
||||
border: none;
|
||||
border-radius: 4px;
|
||||
padding: 0.75rem 1.5rem;
|
||||
font-size: 1rem;
|
||||
cursor: pointer;
|
||||
transition: background 0.2s ease;
|
||||
}
|
||||
|
||||
.add-btn:hover {
|
||||
background: #3a7bc8;
|
||||
}
|
||||
|
||||
.new-task-form textarea {
|
||||
width: 100%;
|
||||
padding: 0.75rem;
|
||||
border: 1px solid #e2e8f0;
|
||||
border-radius: 4px;
|
||||
font-size: 1rem;
|
||||
resize: vertical;
|
||||
min-height: 80px;
|
||||
}
|
||||
|
||||
.task-board {
|
||||
display: grid;
|
||||
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
|
||||
gap: 1.5rem;
|
||||
}
|
||||
|
||||
.task-column {
|
||||
background: #f7fafc;
|
||||
border-radius: 8px;
|
||||
padding: 1rem;
|
||||
min-height: 400px;
|
||||
transition: background 0.2s ease;
|
||||
}
|
||||
|
||||
.column-header {
|
||||
margin-top: 0;
|
||||
padding-bottom: 0.75rem;
|
||||
border-bottom: 2px solid #e2e8f0;
|
||||
font-size: 1.25rem;
|
||||
color: #2d3748;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
}
|
||||
|
||||
.task-count {
|
||||
display: inline-flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
background: #e2e8f0;
|
||||
color: #4a5568;
|
||||
border-radius: 50%;
|
||||
width: 25px;
|
||||
height: 25px;
|
||||
font-size: 0.875rem;
|
||||
margin-left: 0.5rem;
|
||||
}
|
||||
|
||||
.column-tasks {
|
||||
margin-top: 1rem;
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
gap: 1rem;
|
||||
min-height: 200px;
|
||||
}
|
||||
|
||||
.task-card {
|
||||
background: white;
|
||||
border-radius: 6px;
|
||||
padding: 1rem;
|
||||
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
|
||||
cursor: grab;
|
||||
transition: transform 0.2s ease, box-shadow 0.2s ease;
|
||||
position: relative;
|
||||
border-left: 4px solid #ccc;
|
||||
}
|
||||
|
||||
.task-card:hover {
|
||||
transform: translateY(-3px);
|
||||
box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
|
||||
}
|
||||
|
||||
.task-card.dragging {
|
||||
opacity: 0.5;
|
||||
cursor: grabbing;
|
||||
}
|
||||
|
||||
.task-card.priority-low {
|
||||
border-left-color: #38b2ac;
|
||||
}
|
||||
|
||||
.task-card.priority-medium {
|
||||
border-left-color: #ecc94b;
|
||||
}
|
||||
|
||||
.task-card.priority-high {
|
||||
border-left-color: #e53e3e;
|
||||
}
|
||||
|
||||
.task-header {
|
||||
display: flex;
|
||||
justify-content: space-between;
|
||||
align-items: flex-start;
|
||||
margin-bottom: 0.5rem;
|
||||
}
|
||||
|
||||
.task-title {
|
||||
margin: 0;
|
||||
font-size: 1.1rem;
|
||||
color: #2d3748;
|
||||
word-break: break-word;
|
||||
}
|
||||
|
||||
.task-description {
|
||||
margin: 0.5rem 0;
|
||||
font-size: 0.9rem;
|
||||
color: #4a5568;
|
||||
word-break: break-word;
|
||||
}
|
||||
|
||||
.task-actions {
|
||||
display: flex;
|
||||
gap: 0.5rem;
|
||||
}
|
||||
|
||||
.edit-btn,
|
||||
.delete-btn {
|
||||
background: none;
|
||||
border: none;
|
||||
font-size: 1rem;
|
||||
cursor: pointer;
|
||||
width: 24px;
|
||||
height: 24px;
|
||||
display: inline-flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
border-radius: 50%;
|
||||
color: #718096;
|
||||
transition: background 0.2s ease, color 0.2s ease;
|
||||
}
|
||||
|
||||
.edit-btn:hover {
|
||||
background: #edf2f7;
|
||||
color: #4a5568;
|
||||
}
|
||||
|
||||
.delete-btn:hover {
|
||||
background: #fed7d7;
|
||||
color: #e53e3e;
|
||||
}
|
||||
|
||||
.task-meta {
|
||||
display: flex;
|
||||
justify-content: space-between;
|
||||
align-items: center;
|
||||
margin-top: 0.75rem;
|
||||
}
|
||||
|
||||
.priority-badge {
|
||||
font-size: 0.75rem;
|
||||
padding: 0.2rem 0.5rem;
|
||||
border-radius: 4px;
|
||||
font-weight: 500;
|
||||
}
|
||||
|
||||
.priority-badge.priority-low {
|
||||
background: #e6fffa;
|
||||
color: #2c7a7b;
|
||||
}
|
||||
|
||||
.priority-badge.priority-medium {
|
||||
background: #fefcbf;
|
||||
color: #975a16;
|
||||
}
|
||||
|
||||
.priority-badge.priority-high {
|
||||
background: #fed7d7;
|
||||
color: #c53030;
|
||||
}
|
||||
|
||||
.drag-over {
|
||||
background: #f0f9ff;
|
||||
border: 2px dashed #4a90e2;
|
||||
}
|
||||
|
||||
.task-edit-form {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
gap: 0.75rem;
|
||||
}
|
||||
|
||||
.task-title-input,
|
||||
.task-desc-input {
|
||||
width: 100%;
|
||||
padding: 0.5rem;
|
||||
border: 1px solid #e2e8f0;
|
||||
border-radius: 4px;
|
||||
font-size: 0.9rem;
|
||||
}
|
||||
|
||||
.task-desc-input {
|
||||
min-height: 60px;
|
||||
resize: vertical;
|
||||
}
|
||||
|
||||
.task-edit-actions {
|
||||
display: flex;
|
||||
justify-content: flex-end;
|
||||
gap: 0.5rem;
|
||||
margin-top: 0.5rem;
|
||||
}
|
||||
|
||||
.cancel-btn,
|
||||
.save-btn {
|
||||
padding: 0.4rem 0.75rem;
|
||||
border-radius: 4px;
|
||||
font-size: 0.9rem;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.cancel-btn {
|
||||
background: #edf2f7;
|
||||
color: #4a5568;
|
||||
border: 1px solid #e2e8f0;
|
||||
}
|
||||
|
||||
.save-btn {
|
||||
background: #4a90e2;
|
||||
color: white;
|
||||
border: none;
|
||||
}
|
||||
|
||||
@media (max-width: 768px) {
|
||||
.app-header {
|
||||
flex-direction: column;
|
||||
align-items: flex-start;
|
||||
}
|
||||
|
||||
.app-controls {
|
||||
width: 100%;
|
||||
flex-direction: column;
|
||||
}
|
||||
|
||||
.form-row {
|
||||
flex-direction: column;
|
||||
}
|
||||
|
||||
.task-board {
|
||||
grid-template-columns: 1fr;
|
||||
}
|
||||
}
|
||||
`)
|
||||
);
|
||||
63
docs/p15-examples.html.js
Normal file
63
docs/p15-examples.html.js
Normal file
@ -0,0 +1,63 @@
|
||||
import { T, t } from "./utils/index.js";
|
||||
export const info= {
|
||||
title: t`Examples Gallery`,
|
||||
fullTitle: t`DDE Examples & Code Snippets`,
|
||||
description: t`A comprehensive collection of examples and code snippets for working with Deka DOM Elements.`,
|
||||
};
|
||||
|
||||
import { el } from "deka-dom-el";
|
||||
import { simplePage } from "./layout/simplePage.html.js";
|
||||
import { h3 } from "./components/pageUtils.html.js";
|
||||
import { example } from "./components/example.html.js";
|
||||
/** @param {string} url */
|
||||
const fileURL= url=> new URL(url, import.meta.url);
|
||||
|
||||
/** @param {import("./types.d.ts").PageAttrs} attrs */
|
||||
export function page({ pkg, info }){
|
||||
const page_id= info.id;
|
||||
return el(simplePage, { info, pkg }).append(
|
||||
el("p").append(T`
|
||||
Real-world application examples showcasing how to build complete, production-ready interfaces with dd<el>:
|
||||
`),
|
||||
el(h3, t`Data Dashboard`),
|
||||
el("p").append(T`
|
||||
Data visualization dashboard with charts, filters, and responsive layout. Integration with a
|
||||
third-party charting library, data fetching and state management, responsive layout design, and multiple
|
||||
interactive components working together.
|
||||
`),
|
||||
el(example, { src: fileURL("./components/examples/case-studies/data-dashboard.js"), variant: "big", page_id }),
|
||||
|
||||
el(h3, t`Interactive Form`),
|
||||
el("p").append(T`
|
||||
Complete form with real-time validation, conditional rendering, and responsive design. Form handling with
|
||||
real-time validation, reactive UI updates, complex form state management, and clean separation of concerns.
|
||||
`),
|
||||
el(example, { src: fileURL("./components/examples/case-studies/interactive-form.js"), variant: "big", page_id }),
|
||||
|
||||
|
||||
el(h3, t`Interactive Image Gallery`),
|
||||
el("p").append(T`
|
||||
Responsive image gallery with lightbox, keyboard navigation, and filtering. Dynamic loading of content,
|
||||
lightbox functionality, animation handling, and keyboard and gesture navigation support.
|
||||
`),
|
||||
el(example, { src: fileURL("./components/examples/case-studies/image-gallery.js"), variant: "big", page_id }),
|
||||
|
||||
|
||||
el(h3, t`Task Manager`),
|
||||
el("p").append(T`
|
||||
Kanban-style task management app with drag-and-drop and localStorage persistence. Complex state management
|
||||
with signals, drag and drop functionality, local storage persistence, and responsive design for different
|
||||
devices.
|
||||
`),
|
||||
el(example, { src: fileURL("./components/examples/case-studies/task-manager.js"), variant: "big", page_id }),
|
||||
|
||||
|
||||
el(h3, t`TodoMVC`),
|
||||
el("p").append(T`
|
||||
Complete TodoMVC implementation with local storage and routing. TodoMVC implementation showing routing,
|
||||
local storage persistence, filtering, and component architecture patterns. For commented code, see the
|
||||
dedicated page ${el("a", { href: "./p10-todomvc.html" }).append(T`TodoMVC`)}.
|
||||
`),
|
||||
|
||||
);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user