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Adobe Spectrum - ColorSwatchPicker
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Report Issue </sp-button> </p> </sp-theme> <script> class ColorSwatchPicker { constructor(element) { this.element = element; this.items = Array.from(element.querySelectorAll('.color-swatch-item')); this.selectedIndex = 0; this.focusedIndex = 0; this.init(); } init() { this.element.addEventListener('keydown', this.handleKeyDown.bind(this)); this.element.addEventListener('focus', this.handleFocus.bind(this)); this.element.addEventListener('blur', this.handleBlur.bind(this)); this.items.forEach((item, index) => { item.addEventListener('click', () => this.selectItem(index)); item.addEventListener('focus', () => this.focusItem(index)); }); this.selectItem(0); this.updateFocus(); } handleKeyDown(event) { let newIndex = this.focusedIndex; switch (event.key) { case 'ArrowRight': case 'ArrowDown': newIndex = (this.focusedIndex + 1) % this.items.length; break; case 'ArrowLeft': case 'ArrowUp': newIndex = (this.focusedIndex - 1 + this.items.length) % this.items.length; break; case 'Home': newIndex = 0; break; case 'End': newIndex = this.items.length - 1; break; case 'Enter': case ' ': this.selectItem(this.focusedIndex); event.preventDefault(); return; default: return; } event.preventDefault(); this.focusItem(newIndex); } handleFocus() { this.updateFocus(); } handleBlur() { this.items.forEach(item => { item.tabIndex = -1; }); } focusItem(index) { if (this.items[index] && !this.items[index].hasAttribute('data-disabled')) { this.focusedIndex = index; this.updateFocus(); this.items[index].focus(); } } selectItem(index) { if (this.items[index] && !this.items[index].hasAttribute('data-disabled')) { this.items[this.selectedIndex]?.removeAttribute('data-selected'); this.selectedIndex = index; this.items[index].setAttribute('data-selected', ''); this.items[index].setAttribute('aria-selected', 'true'); const color = this.items[index].dataset.color; this.element.dispatchEvent(new CustomEvent('colorchange', { detail: { color } })); } } updateFocus() { this.items.forEach((item, index) => { item.tabIndex = index === this.focusedIndex ? 0 : -1; }); } } document.addEventListener('DOMContentLoaded', () => { const basicPicker = new ColorSwatchPicker(document.getElementById('basic-picker')); const demoPicker = new ColorSwatchPicker(document.getElementById('demo-picker')); const integratedPicker = new ColorSwatchPicker(document.getElementById('integrated-picker')); const selectedColorDisplay = document.getElementById('selected-color'); demoPicker.element.addEventListener('colorchange', (event) => { selectedColorDisplay.textContent = `Selected color: ${event.detail.color}`; }); const stackLayoutCheckbox = document.getElementById('stack-layout'); const disableOrangeCheckbox = document.getElementById('disable-orange'); const layoutSelect = document.getElementById('layout-select'); stackLayoutCheckbox.addEventListener('change', (event) => { if (event.target.checked) { demoPicker.element.setAttribute('data-layout', 'stack'); } else { demoPicker.element.removeAttribute('data-layout'); } }); layoutSelect.addEventListener('change', (event) => { if (event.target.value === 'stack') { demoPicker.element.setAttribute('data-layout', 'stack'); stackLayoutCheckbox.checked = true; } else { demoPicker.element.removeAttribute('data-layout'); stackLayoutCheckbox.checked = false; } }); disableOrangeCheckbox.addEventListener('change', (event) => { const orangeItem = demoPicker.items.find(item => item.dataset.color === '#f80'); if (orangeItem) { if (event.target.checked) { orangeItem.setAttribute('data-disabled', ''); orangeItem.setAttribute('aria-disabled', 'true'); } else { orangeItem.removeAttribute('data-disabled'); orangeItem.removeAttribute('aria-disabled'); } } }); const colorInput = document.getElementById('color-input'); integratedPicker.element.addEventListener('colorchange', (event) => { colorInput.value = event.detail.color; }); colorInput.addEventListener('input', (event) => { const color = event.target.value; const matchingItem = integratedPicker.items.find(item => item.dataset.color === color); if (matchingItem) { const index = integratedPicker.items.indexOf(matchingItem); integratedPicker.selectItem(index); } }); }); </script></body></html>' width="100%" height="1200" frameborder="0" sandbox="allow-scripts allow-same-origin allow-popups">