refactoring

This commit is contained in:
Philipp Kühn 2021-03-30 12:13:55 +02:00
parent 71a4e5e646
commit d25567ff74
5 changed files with 375 additions and 146 deletions

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@ -1,5 +1,5 @@
<template> <template>
<div> <div style="position: relative">
<div ref="menu"> <div ref="menu">
menu menu
</div> </div>

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@ -0,0 +1,238 @@
import { Editor } from '@tiptap/core'
import { EditorState, Plugin, PluginKey } from 'prosemirror-state'
import { EditorView } from 'prosemirror-view'
interface BubbleMenuSettings {
bottom: number;
isActive: boolean;
left: number;
top: number;
}
interface BubbleMenuPluginOptions {
editor: Editor;
element: HTMLElement;
keepInBounds: boolean;
onUpdate(menu: BubbleMenuSettings): void;
}
type DOMRectSide = 'bottom' | 'left' | 'right' | 'top';
function textRange(node: Node, from?: number, to?: number) {
const range = document.createRange()
range.setEnd(
node,
typeof to === 'number' ? to : (node.nodeValue || '').length,
)
range.setStart(node, from || 0)
return range
}
function singleRect(object: Range | Element, bias: number) {
const rects = object.getClientRects()
return !rects.length
? object.getBoundingClientRect()
: rects[bias < 0 ? 0 : rects.length - 1]
}
function coordsAtPos(view: EditorView, pos: number, end = false) {
const { node, offset } = view.domAtPos(pos) // view.docView.domFromPos(pos);
let side: DOMRectSide | null = null
let rect: DOMRect | null = null
if (node.nodeType === 3) {
const nodeValue = node.nodeValue || ''
if (end && offset < nodeValue.length) {
rect = singleRect(textRange(node, offset - 1, offset), -1)
side = 'right'
} else if (offset < nodeValue.length) {
rect = singleRect(textRange(node, offset, offset + 1), -1)
side = 'left'
}
} else if (node.firstChild) {
if (offset < node.childNodes.length) {
const child = node.childNodes[offset]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
-1,
)
side = 'left'
}
if ((!rect || rect.top === rect.bottom) && offset) {
const child = node.childNodes[offset - 1]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
1,
)
side = 'right'
}
} else {
const element = node as Element
rect = element.getBoundingClientRect()
side = 'left'
}
if (rect && side) {
const x = rect[side]
return {
top: rect.top,
bottom: rect.bottom,
left: x,
right: x,
}
}
return {
top: 0,
bottom: 0,
left: 0,
right: 0,
}
}
class Menu {
public options: BubbleMenuPluginOptions;
public editorView: EditorView;
public isActive = false;
public left = 0;
public bottom = 0;
public top = 0;
public preventHide = false;
constructor({
options,
editorView,
}: {
options: BubbleMenuPluginOptions;
editorView: EditorView;
}) {
this.options = {
...{
element: null,
keepInBounds: true,
onUpdate: () => false,
},
...options,
}
this.editorView = editorView
this.options.element.addEventListener('mousedown', this.mousedownHandler, {
capture: true,
})
this.options.editor.on('focus', this.focusHandler)
this.options.editor.on('blur', this.blurHandler)
}
mousedownHandler = () => {
this.preventHide = true
};
focusHandler = () => {
this.update(this.options.editor.view)
};
blurHandler = ({ event }: { event: FocusEvent }) => {
if (this.preventHide) {
this.preventHide = false
return
}
this.hide(event)
};
update(view: EditorView, lastState?: EditorState) {
const { state } = view
if (view.composing) {
return
}
if (
lastState
&& lastState.doc.eq(state.doc)
&& lastState.selection.eq(state.selection)
) {
return
}
if (state.selection.empty) {
this.hide()
return
}
const { from, to } = state.selection
const start = coordsAtPos(view, from)
const end = coordsAtPos(view, to, true)
const parent = this.options.element.offsetParent
if (!parent) {
this.hide()
return
}
const box = parent.getBoundingClientRect()
const el = this.options.element.getBoundingClientRect()
const left = (start.left + end.left) / 2 - box.left
this.left = Math.round(
this.options.keepInBounds
? Math.min(box.width - el.width / 2, Math.max(left, el.width / 2))
: left,
)
this.bottom = Math.round(box.bottom - start.top)
this.top = Math.round(end.bottom - box.top)
this.isActive = true
console.log({
left: this.left,
top: this.top,
})
this.sendUpdate()
}
sendUpdate() {
this.options.onUpdate({
isActive: this.isActive,
left: this.left,
bottom: this.bottom,
top: this.top,
})
}
hide(event?: FocusEvent) {
if (
event
&& event.relatedTarget
&& this.options.element.parentNode
&& this.options.element.parentNode.contains(event.relatedTarget as Node)
) {
return
}
this.isActive = false
this.sendUpdate()
}
destroy() {
this.options.element.removeEventListener(
'mousedown',
this.mousedownHandler,
)
this.options.editor.off('focus', this.focusHandler)
this.options.editor.off('blur', this.blurHandler)
}
}
const BubbleMenuPlugin = (options: BubbleMenuPluginOptions) => {
return new Plugin({
key: new PluginKey('menu_bubble'),
view(editorView) {
return new Menu({ editorView, options })
},
})
}
export { BubbleMenuPlugin }

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@ -1,93 +1,15 @@
import { Editor } from '@tiptap/core' import { Editor } from '@tiptap/core'
import { EditorState, Plugin, PluginKey } from 'prosemirror-state' import { EditorState, Plugin, PluginKey } from 'prosemirror-state'
import { EditorView } from 'prosemirror-view' import { EditorView } from 'prosemirror-view'
import { coordsAtPos } from './helpers'
interface BubbleMenuSettings {
bottom: number;
isActive: boolean;
left: number;
top: number;
}
interface BubbleMenuPluginOptions { interface BubbleMenuPluginOptions {
editor: Editor; editor: Editor;
element: HTMLElement; element: HTMLElement;
keepInBounds: boolean; keepInBounds: boolean;
onUpdate(menu: BubbleMenuSettings): void;
}
type DOMRectSide = 'bottom' | 'left' | 'right' | 'top';
function textRange(node: Node, from?: number, to?: number) {
const range = document.createRange()
range.setEnd(
node,
typeof to === 'number' ? to : (node.nodeValue || '').length,
)
range.setStart(node, from || 0)
return range
} }
function singleRect(object: Range | Element, bias: number) { class BubbleMenuView {
const rects = object.getClientRects()
return !rects.length
? object.getBoundingClientRect()
: rects[bias < 0 ? 0 : rects.length - 1]
}
function coordsAtPos(view: EditorView, pos: number, end = false) {
const { node, offset } = view.domAtPos(pos) // view.docView.domFromPos(pos);
let side: DOMRectSide | null = null
let rect: DOMRect | null = null
if (node.nodeType === 3) {
const nodeValue = node.nodeValue || ''
if (end && offset < nodeValue.length) {
rect = singleRect(textRange(node, offset - 1, offset), -1)
side = 'right'
} else if (offset < nodeValue.length) {
rect = singleRect(textRange(node, offset, offset + 1), -1)
side = 'left'
}
} else if (node.firstChild) {
if (offset < node.childNodes.length) {
const child = node.childNodes[offset]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
-1,
)
side = 'left'
}
if ((!rect || rect.top === rect.bottom) && offset) {
const child = node.childNodes[offset - 1]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
1,
)
side = 'right'
}
} else {
const element = node as Element
rect = element.getBoundingClientRect()
side = 'left'
}
if (rect && side) {
const x = rect[side]
return {
top: rect.top,
bottom: rect.bottom,
left: x,
right: x,
}
}
return {
top: 0,
bottom: 0,
left: 0,
right: 0,
}
}
class Menu {
public options: BubbleMenuPluginOptions; public options: BubbleMenuPluginOptions;
public editorView: EditorView; public editorView: EditorView;
@ -113,99 +35,97 @@ class Menu {
...{ ...{
element: null, element: null,
keepInBounds: true, keepInBounds: true,
onUpdate: () => false,
}, },
...options, ...options,
} }
this.editorView = editorView this.editorView = editorView
this.options.element.addEventListener('mousedown', this.mousedownHandler, {
capture: true, this.render()
}) // this.options.element.addEventListener('mousedown', this.mousedownHandler, {
this.options.editor.on('focus', this.focusHandler) // capture: true,
this.options.editor.on('blur', this.blurHandler) // })
// this.options.editor.on('focus', this.focusHandler)
// this.options.editor.on('blur', this.blurHandler)
} }
mousedownHandler = () => { // mousedownHandler = () => {
this.preventHide = true // this.preventHide = true
}; // };
focusHandler = () => { // focusHandler = () => {
this.update(this.options.editor.view) // this.update(this.options.editor.view)
}; // };
blurHandler = ({ event }: { event: FocusEvent }) => { // blurHandler = ({ event }: { event: FocusEvent }) => {
if (this.preventHide) { // if (this.preventHide) {
this.preventHide = false // this.preventHide = false
// return
// }
// this.hide(event)
// };
update(view: EditorView, oldState?: EditorState) {
const { state, composing } = view
const { doc, selection } = state
const docHasChanged = !oldState?.doc.eq(doc)
const selectionHasChanged = !oldState?.selection.eq(selection)
if (composing || (!docHasChanged && !selectionHasChanged)) {
return return
} }
this.hide(event) const { from, to, empty } = selection
};
update(view: EditorView, lastState?: EditorState) { if (empty) {
const { state } = view
if (view.composing) {
return
}
if (
lastState
&& lastState.doc.eq(state.doc)
&& lastState.selection.eq(state.selection)
) {
return
}
if (state.selection.empty) {
this.hide() this.hide()
return return
} }
const { from, to } = state.selection
const start = coordsAtPos(view, from) const start = coordsAtPos(view, from)
const end = coordsAtPos(view, to, true) const end = coordsAtPos(view, to, true)
const parent = this.options.element.offsetParent const parent = this.options.element.offsetParent
if (!parent) { if (!parent) {
this.hide() this.hide()
return return
} }
const box = parent.getBoundingClientRect() const parentBox = parent.getBoundingClientRect()
const el = this.options.element.getBoundingClientRect() const box = this.options.element.getBoundingClientRect()
const left = (start.left + end.left) / 2 - box.left const left = (start.left + end.left) / 2 - parentBox.left
this.left = Math.round( this.left = Math.round(
this.options.keepInBounds this.options.keepInBounds
? Math.min(box.width - el.width / 2, Math.max(left, el.width / 2)) ? Math.min(parentBox.width - box.width / 2, Math.max(left, box.width / 2))
: left, : left,
) )
this.bottom = Math.round(box.bottom - start.top) this.bottom = Math.round(parentBox.bottom - start.top)
this.top = Math.round(end.bottom - box.top) this.top = Math.round(end.bottom - parentBox.top)
this.isActive = true this.isActive = true
console.log({ this.render()
left: this.left,
top: this.top,
})
this.sendUpdate()
} }
sendUpdate() { render() {
this.options.onUpdate({ Object.assign(this.options.element.style, {
isActive: this.isActive, position: 'absolute',
left: this.left, zIndex: 1000,
bottom: this.bottom, visibility: this.isActive ? 'visible' : 'hidden',
top: this.top, opacity: this.isActive ? 1 : 0,
left: `${this.left}px`,
// top: `${this.top}px`,
bottom: `${this.bottom}px`,
transform: 'translateX(-50%)',
}) })
} }
hide(event?: FocusEvent) { hide(event?: FocusEvent) {
if ( if (
event event?.relatedTarget
&& event.relatedTarget
&& this.options.element.parentNode && this.options.element.parentNode
&& this.options.element.parentNode.contains(event.relatedTarget as Node) && this.options.element.parentNode.contains(event.relatedTarget as Node)
) { ) {
@ -213,16 +133,16 @@ class Menu {
} }
this.isActive = false this.isActive = false
this.sendUpdate() this.render()
} }
destroy() { destroy() {
this.options.element.removeEventListener( // this.options.element.removeEventListener(
'mousedown', // 'mousedown',
this.mousedownHandler, // this.mousedownHandler,
) // )
this.options.editor.off('focus', this.focusHandler) // this.options.editor.off('focus', this.focusHandler)
this.options.editor.off('blur', this.blurHandler) // this.options.editor.off('blur', this.blurHandler)
} }
} }
@ -230,7 +150,7 @@ const BubbleMenuPlugin = (options: BubbleMenuPluginOptions) => {
return new Plugin({ return new Plugin({
key: new PluginKey('menu_bubble'), key: new PluginKey('menu_bubble'),
view(editorView) { view(editorView) {
return new Menu({ editorView, options }) return new BubbleMenuView({ editorView, options })
}, },
}) })
} }

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@ -4,7 +4,6 @@ import { BubbleMenuPlugin } from './bubble-menu-plugin'
export interface BubbleMenuOptions { export interface BubbleMenuOptions {
element: HTMLElement, element: HTMLElement,
keepInBounds: boolean, keepInBounds: boolean,
onUpdate: () => void,
} }
export const BubbleMenu = Extension.create<BubbleMenuOptions>({ export const BubbleMenu = Extension.create<BubbleMenuOptions>({
@ -13,7 +12,6 @@ export const BubbleMenu = Extension.create<BubbleMenuOptions>({
defaultOptions: { defaultOptions: {
element: document.createElement('div'), element: document.createElement('div'),
keepInBounds: true, keepInBounds: true,
onUpdate: () => ({}),
}, },
addProseMirrorPlugins() { addProseMirrorPlugins() {
@ -22,7 +20,6 @@ export const BubbleMenu = Extension.create<BubbleMenuOptions>({
editor: this.editor, editor: this.editor,
element: this.options.element, element: this.options.element,
keepInBounds: this.options.keepInBounds, keepInBounds: this.options.keepInBounds,
onUpdate: this.options.onUpdate,
}), }),
] ]
}, },

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@ -0,0 +1,74 @@
import { EditorView } from 'prosemirror-view'
type DOMRectSide = 'bottom' | 'left' | 'right' | 'top';
function textRange(node: Node, from?: number, to?: number) {
const range = document.createRange()
range.setEnd(
node,
typeof to === 'number' ? to : (node.nodeValue || '').length,
)
range.setStart(node, from || 0)
return range
}
function singleRect(object: Range | Element, bias: number) {
const rects = object.getClientRects()
return !rects.length
? object.getBoundingClientRect()
: rects[bias < 0 ? 0 : rects.length - 1]
}
export function coordsAtPos(view: EditorView, pos: number, end = false) {
const { node, offset } = view.domAtPos(pos) // view.docView.domFromPos(pos);
let side: DOMRectSide | null = null
let rect: DOMRect | null = null
if (node.nodeType === 3) {
const nodeValue = node.nodeValue || ''
if (end && offset < nodeValue.length) {
rect = singleRect(textRange(node, offset - 1, offset), -1)
side = 'right'
} else if (offset < nodeValue.length) {
rect = singleRect(textRange(node, offset, offset + 1), -1)
side = 'left'
}
} else if (node.firstChild) {
if (offset < node.childNodes.length) {
const child = node.childNodes[offset]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
-1,
)
side = 'left'
}
if ((!rect || rect.top === rect.bottom) && offset) {
const child = node.childNodes[offset - 1]
rect = singleRect(
child.nodeType === 3 ? textRange(child) : (child as Element),
1,
)
side = 'right'
}
} else {
const element = node as Element
rect = element.getBoundingClientRect()
side = 'left'
}
if (rect && side) {
const x = rect[side]
return {
top: rect.top,
bottom: rect.bottom,
left: x,
right: x,
}
}
return {
top: 0,
bottom: 0,
left: 0,
right: 0,
}
}