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<!-- |
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// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers |
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// All rights reserved. |
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// Licensed under the Apache License, Version 2.0 |
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// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0> |
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>, |
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// at your option. All files in the project carrying such |
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// notice may not be copied, modified, or distributed except |
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// according to those terms. |
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--> |
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|
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<script lang="ts"> |
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import YMapEditor from "./YMapEditor.svelte"; |
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export let commits = {}; |
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</script> |
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<YMapEditor {commits} crdt="YArray"/> |
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<!-- |
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// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers |
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// All rights reserved. |
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// Licensed under the Apache License, Version 2.0 |
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// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0> |
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>, |
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// at your option. All files in the project carrying such |
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// notice may not be copied, modified, or distributed except |
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// according to those terms. |
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--> |
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<script lang="ts"> |
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import { onMount, tick, onDestroy } from "svelte"; |
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import { |
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toast_error, |
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toast_success, |
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reset_toasts, |
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display_error, |
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live_discrete_update, |
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discrete_update |
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} from "../store"; |
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import { |
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cur_tab_register_on_save, |
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cur_tab_deregister_on_save, |
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cur_tab_branch_class |
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} from "../tab"; |
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import { t } from "svelte-i18n"; |
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import * as Y from 'yjs' |
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import { JSONEditor } from 'svelte-jsoneditor' |
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export let commits = {}; |
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export let crdt = "YMap"; |
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const ydoc = new Y.Doc() |
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const ymap = ydoc.get('ng', crdt == "YMap" ? Y.Map : Y.Array) |
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let editor; |
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let content = { |
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text: undefined, |
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json: crdt=="YMap"? { |
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} : [] |
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} |
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ymap.observeDeep((events, transaction) => { |
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if (transaction.origin.local) { |
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let operations = []; |
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events.forEach((event) => { |
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let target = ymap; |
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let path = ""; |
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event.path.forEach((p)=> { target = target.get(p); path += `/${p}`;}); |
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event.changes.keys.forEach((change, key) => { |
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if (change.action === 'add') { |
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let newval = target.get(key); |
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if ( newval instanceof Y.Array) newval = newval.toJSON(); |
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else if ( newval instanceof Y.Map) newval = newval.toJSON(); |
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//console.log(`Property "${key}" was added in path "${path}". Initial value: "`,newval) |
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let p = path + `/${key}`; |
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operations.push({ op: 'add', path:p, value: newval }); |
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} else if (change.action === 'update') { |
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let newval = target.get(key); |
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if ( newval instanceof Y.Array) newval = newval.toJSON(); |
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else if ( newval instanceof Y.Map) newval = newval.toJSON(); |
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//console.log(`Property "${key}" was updated in path "${path}". Previous value: "${change.oldValue}". New value: `, newval) |
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let p = path + `/${key}`; |
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operations.push({ op: 'replace', path:p, value: newval }); |
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} else if (change.action === 'delete') { |
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//console.log(`Property "${key}" was deleted in path "${path}". Previous value: "${change.oldValue}".`) |
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let p = path + `/${key}`; |
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operations.push({ op: 'remove', path:p }); |
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} |
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}); |
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let pos = 0; |
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event.changes.delta.forEach((delta) => { |
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if (delta.retain) pos += delta.retain; |
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else if (delta.insert && Array.isArray(delta.insert)) { |
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delta.insert.forEach((newval) => { |
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let p = path + `/${pos}`; |
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if ( newval instanceof Y.Array) newval = newval.toJSON(); |
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else if ( newval instanceof Y.Map) newval = newval.toJSON(); |
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//console.log(`Adding array element to path "${p}". New value: `, newval) |
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operations.push({ op: 'add', path:p, value: newval }); |
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pos += 1; |
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}); |
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} else if (delta.delete) { |
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let p = path + `/${pos}`; |
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for (let i=0; i< delta.delete; i++) { |
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//console.log(`removing array element in path "${p}"`) |
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operations.push({ op: 'remove', path:p }); |
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} |
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} |
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}); |
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}); |
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editor.patch(operations); |
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content.json = ymap.toJSON(); |
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} |
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}); |
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ydoc.on('update', async (update, origin) => { |
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//console.log(update, origin) |
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if (!origin.local) { |
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try { |
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await discrete_update(update, crdt, commits.heads); |
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} catch (e){ |
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toast_error(display_error(e)); |
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} |
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} |
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}) |
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function process_value(val) { |
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let value; |
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if (Array.isArray(val)) { |
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const subArray = new Y.Array(); |
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for (let i=0; i<val.length; i++) { |
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let r = process_value(val[i]); |
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subArray.insert(i, [r]); |
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} |
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value = subArray; |
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} else if (typeof val === 'object' && val !== null) { |
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const ymapNested = new Y.Map(); |
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for (const [key, value] of Object.entries(val)) { |
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ymapNested.set(key, process_value(value)); |
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} |
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value = ymapNested; |
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} else { |
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value = val; |
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} |
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return value; |
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} |
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function handleChange(updatedContent, previousContent, { contentErrors, patchResult }) { |
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// content is an object { json: unknown } | { text: string } |
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//console.log('onChange: ', patchResult?.redo, patchResult, updatedContent) |
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if (patchResult) { |
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ydoc.transact((transac) => { |
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patchResult.redo.forEach((op)=>{ |
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let path = op.path.split("/"); |
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path.shift(); |
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let key = path.pop(); |
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let target = ymap; |
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path.forEach((p)=> { target = target.get(p);}); |
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if (op.op == "add") { |
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//console.log("adding", op.value,key, op.path) |
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let value = process_value(op.value); |
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if (target instanceof Y.Map) { |
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target.set(key, value); |
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} else { |
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target.insert(Number(key), [value]); |
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} |
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} else if (op.op == "remove") { |
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//console.log("removing", key, op.path) |
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if (target instanceof Y.Map) { |
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target.delete(key); |
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} else { |
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target.delete(Number(key), 1); |
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} |
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} else if (op.op == "replace") { |
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//console.log("replacing", op.value, key, op.path) |
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if (key === undefined) { |
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if (crdt === "YArray" && Array.isArray(op.value)) { |
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if (target.length) target.delete(0,target.length); |
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op.value.forEach((v)=> { |
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target.push([process_value(v)]); |
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}); |
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} else if (crdt === "YMap" && (typeof op.value === 'object' && op.value !== null)) { |
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target.clear(); |
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for (const [key, value] of Object.entries(op.value)) { |
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target.set(key, process_value(value)); |
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} |
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} |
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return; |
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} |
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if (target instanceof Y.Map) { |
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target.set(key, process_value(op.value)); |
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} else { |
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let idx = Number(key); |
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target.delete(idx, 1); |
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target.insert(idx, [process_value(op.value)]); |
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} |
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} else if (op.op == "move" || op.op == "copy") { |
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let move = op.op == "move"; |
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if (op.from === op.path) return; |
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//console.log("moving or copying", op.from, op.path) |
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let from = op.from.split("/"); |
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from.shift(); |
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let from_key = from.pop(); |
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let origin = ymap; |
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from.forEach((p)=> { origin = origin.get(p);}); |
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from_key = (origin instanceof Y.Map) ? from_key : Number(from_key); |
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let value_to_move = origin.get(from_key); |
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if ( value_to_move instanceof Y.Array) value_to_move = value_to_move.clone(); |
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else if ( value_to_move instanceof Y.Map) value_to_move = value_to_move.clone(); |
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if (target instanceof Y.Map) { |
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target.set(key, value_to_move); |
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} else { |
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let idx = Number(key); |
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target.insert(idx, [value_to_move]); |
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} |
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if (move) { |
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if (typeof from_key === "number") { |
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origin.delete(from_key, 1); |
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} else { |
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origin.delete(from_key); |
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} |
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} |
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} |
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}); |
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} , {local:false}); |
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} |
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content = updatedContent |
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} |
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ydoc.on('destroy', async () => { |
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commits.discrete?.deregisterOnUpdate(); |
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await cur_tab_deregister_on_save(); |
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}) |
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onMount(async ()=>{ |
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cur_tab_register_on_save(async (updates)=>{ |
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let update = Y.mergeUpdates(updates); |
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await live_discrete_update(update, crdt, commits.heads); |
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}); |
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let history = commits.discrete?.registerOnUpdate((update) => { |
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Y.applyUpdate(ydoc, update[crdt], {local:true}) |
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}); |
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for (const h of history) { |
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Y.applyUpdate(ydoc, h[crdt], {local:true}) |
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} |
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await editor.focus() |
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}); |
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onDestroy(async ()=>{ |
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ydoc.destroy(); |
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await editor.destroy(); |
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}); |
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function onRenderMenu(items, context) { |
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items.shift(); |
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items.pop(); |
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items.pop(); |
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items.pop(); |
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return items; |
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} |
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function onRenderContextMenu(items, context) { |
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if (items[4].items[1].items[0].text == "Convert to:") items[4].items.pop(); |
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if (Array.isArray(context.selection.path) && context.selection.path.length == 0 && context.selection.type === "value") { |
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items[2].items.shift(); |
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items[2].items.pop(); |
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items[4].items[0].items.pop(); |
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} |
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return items; |
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} |
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</script> |
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<div class="grow ng-json-editor" style="min-height:300px;"> |
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<JSONEditor bind:this={editor} {content} onChange={handleChange} {onRenderMenu} {onRenderContextMenu}/> |
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</div> |
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<style> |
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.ng-json-editor { |
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/* define a custom theme color */ |
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--jse-theme-color: rgb(73, 114, 165); |
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--jse-theme-color-highlight: rgb(30 136 229); |
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} |
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</style> |