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(function () { |
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'use strict'; |
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|
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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decoration:'text-decoration', transform:'text-transform', |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' |
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}; |
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function typoCssVarsForEl(el, obj, prefix) { |
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if (!obj || typeof obj !== 'object') return; |
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Object.keys(_typoKeys).forEach(function (k) { |
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var v = obj[k]; |
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if (v === undefined || v === '' || v === null) return; |
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if (k === 'sizeDesktop' || k === 'sizeTablet' || k === 'sizeMobile') v = v + (obj.sizeUnit || 'px'); |
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else if (k === 'lineHeightDesktop' || k === 'lineHeightTablet' || k === 'lineHeightMobile') v = v + (obj.lineHeightUnit || ''); |
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else if (k === 'letterSpacingDesktop' || k === 'letterSpacingTablet' || k === 'letterSpacingMobile') v = v + (obj.letterSpacingUnit || 'px'); |
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else if (k === 'wordSpacingDesktop' || k === 'wordSpacingTablet' || k === 'wordSpacingMobile') v = v + (obj.wordSpacingUnit || 'px'); |
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el.style.setProperty(prefix + _typoKeys[k], String(v)); |
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}); |
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} |
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|
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function initBlock(root) { |
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var wrap = root.querySelector('.bkbg-mgb-wrap'); |
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if (!wrap) return; |
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|
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var raw = wrap.getAttribute('data-opts') || '{}'; |
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var o; |
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try { o = JSON.parse(raw); } catch (e) { o = {}; } |
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|
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var magnetStrength = Number(o.magnetStrength) || 40; |
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var magnetRadius = Number(o.magnetRadius) || 120; |
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var ripple = o.ripple !== false; |
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var buttonStyle = o.buttonStyle || 'filled'; |
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var paddingX = Number(o.paddingX) || 40; |
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var paddingY = Number(o.paddingY) || 18; |
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var borderRadius = Number(o.borderRadius) || 999; |
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var borderWidth = Number(o.borderWidth) || 2; |
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var btnBg = o.btnBg || '#6366f1'; |
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var btnColor = o.btnColor || '#ffffff'; |
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var btnBorderColor = o.btnBorderColor || '#6366f1'; |
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var hoverBg = o.hoverBg || '#4f46e5'; |
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var hoverColor = o.hoverColor || '#ffffff'; |
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var rippleColor = o.rippleColor || 'rgba(255,255,255,0.35)'; |
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var shadowColor = o.shadowColor || 'rgba(99,102,241,0.4)'; |
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|
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var btn = wrap.querySelector('.bkbg-mgb-btn'); |
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if (!btn) return; |
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|
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var isOutline = buttonStyle === 'outline'; |
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var isGhost = buttonStyle === 'ghost'; |
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|
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// Apply base styles |
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btn.style.padding = paddingY + 'px ' + paddingX + 'px'; |
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btn.style.borderRadius = borderRadius + 'px'; |
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btn.style.background = isOutline || isGhost ? 'transparent' : btnBg; |
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btn.style.color = isOutline || isGhost ? btnBg : btnColor; |
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btn.style.border = isGhost ? 'none' : borderWidth + 'px solid ' + btnBorderColor; |
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btn.style.boxShadow = isOutline || isGhost ? 'none' : '0 4px 20px ' + shadowColor; |
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|
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// Apply typography CSS vars on root |
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typoCssVarsForEl(root, o.textTypo, '--bkbg-mgb-tx-'); |
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|
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// Respect reduced-motion |
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var reducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches; |
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|
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// ── Magnetic tracking ──────────────────────────────────────────── |
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var raf = null; |
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var targetX = 0, targetY = 0, currentX = 0, currentY = 0; |
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var isHovered = false; |
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var isNear = false; |
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|
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function lerp(a, b, t) { return a + (b - a) * t; } |
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|
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function animate() { |
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currentX = lerp(currentX, targetX, 0.15); |
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currentY = lerp(currentY, targetY, 0.15); |
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|
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btn.style.transform = 'translate(' + currentX + 'px,' + currentY + 'px)'; |
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|
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if (isNear || Math.abs(currentX) > 0.05 || Math.abs(currentY) > 0.05) { |
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raf = requestAnimationFrame(animate); |
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} else { |
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btn.style.transform = ''; |
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raf = null; |
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} |
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} |
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|
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function getCenter() { |
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var r = btn.getBoundingClientRect(); |
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return { x: r.left + r.width / 2, y: r.top + r.height / 2 }; |
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} |
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|
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document.addEventListener('mousemove', function (e) { |
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if (reducedMotion) return; |
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var center = getCenter(); |
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var dx = e.clientX - center.x; |
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var dy = e.clientY - center.y; |
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var dist = Math.sqrt(dx * dx + dy * dy); |
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|
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if (dist < magnetRadius) { |
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isNear = true; |
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var power = (1 - dist / magnetRadius); // 0→1 as cursor gets closer |
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targetX = dx * power * (magnetStrength / 100); |
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targetY = dy * power * (magnetStrength / 100); |
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if (!raf) raf = requestAnimationFrame(animate); |
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} else if (isNear) { |
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isNear = false; |
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targetX = 0; |
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targetY = 0; |
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if (!raf) raf = requestAnimationFrame(animate); |
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} |
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}, { passive: true }); |
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|
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// ── Hover colour swap ──────────────────────────────────────────── |
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btn.addEventListener('mouseenter', function () { |
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isHovered = true; |
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btn.style.background = isOutline || isGhost ? (isGhost ? 'transparent' : 'transparent') : hoverBg; |
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btn.style.color = isOutline || isGhost ? hoverBg : hoverColor; |
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btn.style.boxShadow = isOutline || isGhost ? 'none' : '0 8px 32px ' + shadowColor; |
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}); |
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|
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btn.addEventListener('mouseleave', function () { |
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isHovered = false; |
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btn.style.background = isOutline || isGhost ? 'transparent' : btnBg; |
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btn.style.color = isOutline || isGhost ? btnBg : btnColor; |
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btn.style.boxShadow = isOutline || isGhost ? 'none' : '0 4px 20px ' + shadowColor; |
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}); |
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|
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// ── Ripple on click ────────────────────────────────────────────── |
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if (ripple) { |
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btn.addEventListener('click', function (e) { |
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var r = btn.getBoundingClientRect(); |
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var x = e.clientX - r.left; |
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var y = e.clientY - r.top; |
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var size = Math.max(r.width, r.height); |
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|
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var rpl = document.createElement('span'); |
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rpl.className = 'bkbg-mgb-ripple'; |
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rpl.style.cssText = [ |
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'width:' + size + 'px', |
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'height:' + size + 'px', |
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'left:' + (x - size / 2) + 'px', |
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'top:' + (y - size / 2) + 'px', |
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'background:' + rippleColor |
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].join(';'); |
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|
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btn.appendChild(rpl); |
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rpl.addEventListener('animationend', function () { rpl.remove(); }); |
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}); |
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} |
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} |
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|
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function init() { |
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document.querySelectorAll('.wp-block-blockenberg-magnetic-button').forEach(initBlock); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', init); |
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} else { |
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init(); |
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} |
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})(); |
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|
