Rotate and Delete from the ground up

app/components/index.js

@@ -8,6 +8,8 @@ export { Overlay }    from './selection/overlay.element'
 export { BoxModel }   from './selection/box-model.element'
 export { Corners }    from './selection/corners.element'
 export { Grip }       from './selection/grip.element'
+export { Rotation }   from './selection/rotation.element'
+export { Delete }     from './selection/delete.element'
 
 export { Metatip }    from './metatip/metatip.element'
 export { Ally }       from './metatip/ally.element'

app/components/selection/delete.element.css

@@ -0,0 +1,34 @@
+@import "../_variables.css";
+
+:host {
+  position: var(--position, absolute);
+  top: var(--top, 0);
+  left: var(--left, 0);
+  z-index: var(--layer-top);
+}
+
+:host button {
+  background: var(--neon-pink);
+  border: none;
+  border-radius: 50%;
+  width: 24px;
+  height: 24px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: white;
+  font-weight: bold;
+  padding: 0;
+  transition: transform 0.2s ease;
+}
+
+:host button:hover {
+  transform: scale(1.1);
+}
+
+:host svg {
+  width: 16px;
+  height: 16px;
+  fill: currentColor;
+}

app/components/selection/delete.element.js

@@ -0,0 +1,82 @@
+import { DeleteStyles } from '../styles.store'
+import { animateViewTransition } from '../../utilities/'
+
+export class Delete extends HTMLElement {
+  constructor() {
+    super()
+    this.$shadow = this.attachShadow({mode: 'closed'})
+    this.styles = [DeleteStyles]
+    this.observers = []
+  }
+
+  addObservers(observers) {
+    this.observers = observers
+  }
+
+  set linkedElementsToDeleteToo(elements) {
+    this._linkedElementsToDeleteToo = elements
+  }
+
+  connectedCallback() {
+    this.$shadow.adoptedStyleSheets = this.styles
+    this.$shadow.innerHTML = this.render()
+
+    const deleteBtn = this.$shadow.querySelector('button')
+    deleteBtn.addEventListener('click', this.deleteElement.bind(this))
+  }
+
+  set position({el}) {
+    this.targetElement = el
+    const {top, right} = el.getBoundingClientRect()
+    const isFixed = getComputedStyle(el).position === 'fixed'
+
+    this.style.setProperty('--top', `${top + (isFixed ? 0 : window.scrollY)}px`)
+    this.style.setProperty('--left', `${right + 10}px`)
+    this.style.setProperty('--position', isFixed ? 'fixed' : 'absolute')
+  }
+
+  async deleteElement(e) {
+    e.preventDefault()
+    e.stopPropagation()
+
+    if (!this.targetElement) {
+      console.warn('No target element found to delete')
+      return
+    }
+
+    this.observers.forEach(observer => observer.disconnect())
+
+    const elements = [
+      this.targetElement,
+      ...this._linkedElementsToDeleteToo || [],
+      ...Array.from(document.querySelectorAll(`[data-label-id="${this.targetElement.getAttribute('data-label-id')}"]`)),
+      this
+    ]
+
+    await animateViewTransition(elements, () => this.performDeletion())
+  }
+
+  performDeletion() {
+    this._linkedElementsToDeleteToo?.forEach(el => el.remove())
+    this.targetElement.remove()
+
+    const labelId = this.targetElement.getAttribute('data-label-id')
+    if (labelId) {
+      document.querySelectorAll(`[data-label-id="${labelId}"]`).forEach(el => el.remove())
+    }
+
+    this.remove()
+  }
+
+  render() {
+    return `
+      <button type="button" aria-label="Delete element">
+        <svg viewBox="0 0 24 24">
+          <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
+        </svg>
+      </button>
+    `
+  }
+}
+
+customElements.define('visbug-delete', Delete)

app/components/selection/rotation.element.css

@@ -0,0 +1,56 @@
+@import "../_variables.css";
+
+:host {
+  position: var(--position);
+  top: var(--top);
+  left: var(--left);
+  pointer-events: none;
+  z-index: var(--layer-3);
+}
+
+:host .rotation-line {
+  display: none;
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+}
+
+:host .rotation-line.active {
+  display: block;
+}
+
+:host .rotation-line line {
+  stroke: var(--neon-pink);
+  stroke-width: 1;
+}
+
+:host .rotation-handle {
+  position: absolute;
+  width: 24px;
+  height: 24px;
+  top: -30px;
+  left: calc(var(--width) / 2 - 12px);
+  cursor: grab;
+  pointer-events: all;
+  background: var(--neon-pink);
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  user-select: none;
+  -webkit-user-select: none;
+}
+
+:host .rotation-handle:active {
+  cursor: grabbing;
+}
+
+:host .rotation-icon {
+  width: 16px;
+  height: 16px;
+  fill: white;
+  pointer-events: none;
+}

app/components/selection/rotation.element.js

@@ -0,0 +1,132 @@
+import { HandlesStyles, RotationStyles } from '../styles.store'
+
+export class Rotation extends HTMLElement {
+  constructor() {
+    super()
+    this.$shadow = this.attachShadow({mode: 'closed'})
+    this.styles = [HandlesStyles, RotationStyles]
+    this.totalAngle = 0
+  }
+
+  connectedCallback() {
+    this.$shadow.adoptedStyleSheets = this.styles
+  }
+
+  set position({el}) {
+    this.targetElement = el
+
+    const computedStyle = getComputedStyle(el)
+    if (computedStyle.display === 'inline') el.style.display = 'inline-block'
+
+    const {left, top, width, height} = el.getBoundingClientRect()
+    const isFixed = computedStyle.position === 'fixed'
+
+    this.style.setProperty('--top', `${top + (isFixed ? 0 : window.scrollY)}px`)
+    this.style.setProperty('--left', `${left}px`)
+    this.style.setProperty('--position', isFixed ? 'fixed' : 'absolute')
+    this.style.setProperty('--width', `${width}px`)
+
+    this.$shadow.innerHTML = this.render()
+    this.setupRotationHandlers()
+  }
+
+  setupRotationHandlers() {
+    const handle = this.$shadow.querySelector('.rotation-handle')
+    const line = this.$shadow.querySelector('.rotation-line')
+
+    const onMouseDown = e => {
+      e.preventDefault()
+      const {left, top, width, height} = this.targetElement.getBoundingClientRect()
+      this.originalCenter = {
+        x: left + width / 2,
+        y: top + height / 2
+      }
+      this.lastAngle = Math.atan2(
+        e.clientY - this.originalCenter.y,
+        e.clientX - this.originalCenter.x
+      )
+
+      this.handleRadius = Math.sqrt(
+        Math.pow(e.clientX - this.originalCenter.x, 2) + 
+        Math.pow(e.clientY - this.originalCenter.y, 2)
+      )
+
+      line.classList.add('active')
+
+      document.addEventListener('mousemove', onMouseMove)
+      document.addEventListener('mouseup', onMouseUp)
+    }
+
+    const onMouseMove = e => {
+      const currentAngle = Math.atan2(
+        e.clientY - this.originalCenter.y,
+        e.clientX - this.originalCenter.x
+      )
+
+      // track accumulated rotation to allow multiple revolutions
+      if (!this.lastAngle) this.lastAngle = currentAngle
+      let delta = currentAngle - this.lastAngle
+      // normalize the delta to avoid "flipping" at boundary crossing
+      if (delta > Math.PI) {
+        delta -= 2 * Math.PI
+      } else if (delta < -Math.PI) {
+        delta += 2 * Math.PI
+      }
+
+      this.totalAngle += delta
+      this.lastAngle = currentAngle
+
+      const rotationDegrees = this.totalAngle * (180 / Math.PI)
+      this.targetElement.style.transform = `rotate(${rotationDegrees}deg)`
+
+      const handleX = e.clientX
+      const handleY = e.clientY
+
+      const hostRect = this.getBoundingClientRect()
+      const handleRect = handle.getBoundingClientRect()
+      const handleSize = handleRect.width
+
+      // position handle centered on cursor
+      handle.style.left = `${handleX - hostRect.left - handleSize/2}px`
+      handle.style.top = `${handleY - hostRect.top - handleSize/2}px`
+
+      const lineSvg = line.querySelector('line')
+      lineSvg.setAttribute('x1', this.originalCenter.x)
+      lineSvg.setAttribute('y1', this.originalCenter.y)
+      lineSvg.setAttribute('x2', handleX)
+      lineSvg.setAttribute('y2', handleY)
+    }
+
+    const onMouseUp = () => {
+      this.lastAngle = 0
+      document.removeEventListener('mousemove', onMouseMove)
+      document.removeEventListener('mouseup', onMouseUp)
+      line.classList.remove('active')
+    }
+
+    handle.addEventListener('mousedown', onMouseDown)
+
+    this.cleanup = () => {
+      handle.removeEventListener('mousedown', onMouseDown)
+    }
+  }
+
+  disconnectedCallback() {
+    this.cleanup && this.cleanup()
+  }
+
+  render() {
+    return `
+      <svg class="rotation-line">
+        <line/>
+      </svg>
+      <div class="rotation-handle">
+        <svg class="rotation-icon" viewBox="0 0 24 24">
+          <path d="M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z"/>
+        </svg>
+      </div>
+    `
+  }
+}
+
+customElements.define('visbug-rotation', Rotation)

app/components/styles.store.js

@@ -14,6 +14,8 @@ import { default as boxmodel_css }   from './selection/box-model.element.css'
 import { default as metatip_css }    from './metatip/metatip.element.css'
 import { default as hotkeymap_css }  from './hotkey-map/base.element.css'
 import { default as grip_css }       from './selection/grip.element.css'
+import { default as rotation_css }   from './selection/rotation.element.css'
+import { default as delete_css }     from './selection/delete.element.css'
 
 import { default as light_css }            from './_variables_light.css'
 import { default as visbug_light_css }     from './vis-bug/vis-bug.element_light.css'
@@ -44,6 +46,8 @@ export const OverlayStyles        = constructStylesheet(overlay_css)
 export const BoxModelStyles       = constructStylesheet(boxmodel_css)
 export const HotkeymapStyles      = constructStylesheet(hotkeymap_css)
 export const GripStyles           = constructStylesheet(grip_css)
+export const RotationStyles       = constructStylesheet(rotation_css)
+export const DeleteStyles         = constructStylesheet(delete_css)
 
 export const LightTheme           = constructStylesheet(light_css)
 export const VisBugLightStyles    = constructStylesheet(visbug_light_css)

app/components/vis-bug/vis-bug.element.js

@@ -3,7 +3,7 @@ import hotkeys    from 'hotkeys-js'
 
 import {
   Handles, Handle, Label, Overlay, Gridlines, Corners,
-  Hotkeys, Metatip, Ally, Distance, BoxModel, Grip
+  Hotkeys, Metatip, Ally, Distance, BoxModel, Grip, Rotation, Delete
 } from '../'
 
 import {