730 lines
18 KiB
JavaScript
730 lines
18 KiB
JavaScript
import { Editor } from '@editor'
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import { MessageBus } from '@mbus'
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export class App {
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constructor() {// {{{
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window.mbus = new MessageBus()
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this.editor = null
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this.typesList = null
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this.currentNode = null
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this.currentNodeID = null
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this.types = []
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this.currentPage = null
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this.tree = new Tree(document.getElementById('nodes'))
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const events = [
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'EDITOR_NODE_SAVE',
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'MENU_ITEM_SELECTED',
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'NODE_CREATE_DIALOG',
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'NODE_DELETE',
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'NODE_EDIT_NAME',
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'NODE_MOVE',
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'NODE_SELECTED',
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'TREE_RELOAD_NODE',
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'TYPES_LIST_FETCHED',
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]
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for (const eventName of events)
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mbus.subscribe(eventName, event => this.eventHandler(event))
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document.addEventListener('keydown', event => this.keyHandler(event))
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mbus.dispatch('MENU_ITEM_SELECTED', 'node')
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}// }}}
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eventHandler(event) {// {{{
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switch (event.type) {
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case 'MENU_ITEM_SELECTED':
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const item = document.querySelector(`#menu [data-section="${event.detail}"]`)
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this.page(item, event.detail)
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break
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case 'NODE_SELECTED':
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for (const n of document.querySelectorAll('#nodes .node.selected'))
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n.classList.remove('selected')
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if (event.detail !== null)
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for (const n of document.querySelectorAll(`#nodes .node[data-node-id="${event.detail}"]`))
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n.classList?.add('selected')
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this.edit(event.detail)
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break
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case 'NODE_DELETE':
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if (!confirm('Are you sure you want to delete this node?'))
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return
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this.nodeDelete(this.currentNode.ID)
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break
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case 'NODE_MOVE':
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const nodes = this.tree.markedNodes()
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if (!confirm(`Are you sure you want to move ${nodes.length} nodes here?`))
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return
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this.nodesMove(nodes, this.currentNode.ID)
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break
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case 'EDITOR_NODE_SAVE':
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this.nodeUpdate()
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break
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case 'TYPES_LIST_FETCHED':
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const types = document.getElementById('types')
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types.replaceChildren(this.typesList.render())
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break
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case 'NODE_CREATE_DIALOG':
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if (this.currentPage !== 'node' || this.currentNode === null)
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return
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new NodeCreateDialog(this.currentNode.ID)
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break
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case 'NODE_EDIT_NAME':
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const newName = prompt('Rename node', this.currentNode.Name)
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if (newName === null)
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return
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this.nodeRename(this.currentNode.ID, newName)
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.then(() => mbus.dispatch('TREE_RELOAD_NODE', { parentNodeID: this.currentNode.ParentID }))
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break
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case 'TREE_RELOAD_NODE':
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this.tree.updateNode(parseInt(event.detail.parentNodeID))
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.then(() => {
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if (event.detail.callback)
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event.detail.callback()
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})
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.catch(err => showError(err))
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break
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default:
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alert(`Unhandled event: ${event.type}`)
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console.log(event)
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}
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}// }}}
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keyHandler(event) {// {{{
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if (!event.shiftKey || !event.altKey)
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return
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let handled = true
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switch (event.key.toUpperCase()) {
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case 'D':
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mbus.dispatch('NODE_DELETE')
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break
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case 'M':
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mbus.dispatch('NODE_MOVE')
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break
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case 'N':
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mbus.dispatch('NODE_CREATE_DIALOG')
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break
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default:
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handled = false
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}
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if (handled) {
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event.stopPropagation()
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event.preventDefault()
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}
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}// }}}
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page(item, name) {// {{{
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for (const el of document.querySelectorAll('#menu .item'))
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el.classList.remove('selected')
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item.classList.add('selected')
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for (const el of document.querySelectorAll('.page.show'))
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el.classList.remove('show')
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this.currentPage = name
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switch (name) {
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case 'node':
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document.getElementById('nodes').classList.add('show')
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document.getElementById('editor-node').classList.add('show')
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break
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case 'type':
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document.getElementById('types').classList.add('show')
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document.getElementById('editor-type-schema').classList.add('show')
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if (this.typesList === null)
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this.typesList = new TypesList()
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this.typesList.fetchTypes().then(() => {
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mbus.dispatch('TYPES_LIST_FETCHED')
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})
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break
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}
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}// }}}
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edit(nodeID) {// {{{
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if (nodeID === null) {
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document.getElementById('editor-node').style.display = 'none'
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this.currentNode = null
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return
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}
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fetch(`/nodes/${nodeID}`)
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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this.currentNode = json.Node
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// The JSON editor is created each time. Could probably be reused.
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const editorEl = document.querySelector('#editor-node .editor')
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this.editor = new Editor(json.Node.TypeSchema)
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if (json.Node.Data['x-new'])
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editorEl.replaceChildren(this.editor.render(null))
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else
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editorEl.replaceChildren(this.editor.render(json.Node.Data))
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// Name is separate from the JSON node.
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const name = document.getElementById('editor-node-name')
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name.innerText = json.Node.Name
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// The editor-node div is hidden from the start as a lot of the elements
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// doesn't make any sense before a node is selected.
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document.getElementById('editor-node').style.display = 'grid'
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})
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}// }}}
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async nodeRename(nodeID, name) {// {{{
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return new Promise((resolve, reject) => {
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name = name.trim()
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if (name.length === 0) {
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alert('A name must be provided.')
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return
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}
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fetch(`/nodes/rename/${nodeID}`, {
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method: 'POST',
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body: JSON.stringify({
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Name: name,
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}),
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})
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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this.edit(nodeID)
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resolve()
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})
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.catch(err => reject(err))
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})
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}// }}}
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nodeUpdate() {// {{{
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if (this.editor === null)
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return
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const btn = document.querySelector('#editor-node .controls button')
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btn.disabled = true
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const buttonPressed = Date.now()
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const nodeData = this.editor.data()
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fetch(`/nodes/update/${this.currentNode.ID}`, {
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method: 'POST',
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body: JSON.stringify(nodeData),
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})
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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const timePassed = Date.now() - buttonPressed
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if (timePassed < 250)
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setTimeout(() => btn.disabled = false, 250 - timePassed)
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else
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btn.disabled = false
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})
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}// }}}
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nodeDelete(nodeID) {// {{{
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const node = this.tree.treeNodes.get(nodeID)
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const parentID = node.node.ParentID
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fetch(`/nodes/delete/${nodeID}`)
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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this.tree.updateNode(parseInt(parentID))
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mbus.dispatch('NODE_SELECTED', null)
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})
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.catch(err => showError(err))
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}// }}}
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nodesMove(nodes, newParentID) {// {{{
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const req = {
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NewParentID: parseInt(newParentID),
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NodeIDs: nodes.map(n => n.ID),
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}
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fetch(`/nodes/move`, {
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method: 'POST',
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body: JSON.stringify(req),
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})
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.then(data => data.json())
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.then(async json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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const updateParents = new Map()
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for (const n of nodes)
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updateParents.set(n.ParentID, true)
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updateParents.set(newParentID, true)
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for (const nodeID of updateParents.keys())
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this.tree.updateNode(nodeID)
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})
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.catch(err => showError(err))
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}// }}}
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}
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class NodeCreateDialog {
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constructor(parentNodeID) {// {{{
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this.parentNodeID = parentNodeID
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this.dialog = null
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this.types = null
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this.select = null
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this.input = null
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this.createElements()
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this.fetchTypes()
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.then(() => {
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const st = new SelectType(this.types)
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this.select.replaceChildren(st.render())
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})
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this.dialog.showModal()
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this.select.focus()
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}// }}}
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createElements() {// {{{
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this.dialog = document.createElement('dialog')
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this.dialog.id = 'create-type'
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this.dialog.innerHTML = `
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<div style="padding: 16px">
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<select></select>
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<input type="text" placeholder="Name">
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<button>Create</button>
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</div>
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`
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this.dialog.querySelector('button').addEventListener('click', () => this.commit())
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this.select = this.dialog.querySelector('select')
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this.input = this.dialog.querySelector('input')
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this.input.addEventListener('keydown', event => {
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if (event.key === 'Enter')
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this.commit()
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})
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document.body.appendChild(this.dialog)
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}// }}}
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commit() {// {{{
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if (this.input.value.trim().length === 0) {
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alert('Give a name.')
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return
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}
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const req = {
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ParentNodeID: this.parentNodeID,
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TypeID: parseInt(this.select.value),
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Name: this.input.value.trim(),
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}
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fetch('/nodes/create', {
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method: 'POST',
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body: JSON.stringify(req),
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})
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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mbus.dispatch('TREE_RELOAD_NODE', {
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parentNodeID: this.parentNodeID,
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callback: () => mbus.dispatch('NODE_SELECTED', json.NodeID)
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})
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this.dialog.close()
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})
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.catch(err => showError(err))
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}// }}}
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async fetchTypes() {// {{{
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return new Promise((resolve, reject) => {
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fetch('/types/')
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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showError(json.Error)
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return
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}
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this.types = json.Types
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resolve()
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})
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.catch(err => reject(err))
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})
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}// }}}
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}
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class SelectType {
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constructor(types) {// {{{
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this.types = types
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}// }}}
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render() {// {{{
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const tmpl = document.createElement('template')
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this.types.sort(typeSort)
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let prevGroup = null
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for (const t of this.types) {
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if (t.Name == 'root_node')
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continue
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if (t.Schema['x-group'] != prevGroup) {
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prevGroup = t.Schema['x-group']
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const group = document.createElement('optgroup')
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group.setAttribute('label', t.Schema['x-group'])
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tmpl.content.appendChild(group)
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}
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const opt = document.createElement('option')
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opt.setAttribute('value', t.ID)
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opt.innerText = t.Schema.title || t.Name
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tmpl.content.appendChild(opt)
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}
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return tmpl.content
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}// }}}
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}
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export class Tree {
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constructor() {// {{{
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this.treeNodes = new Map()
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const events = [
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'NODE_EXPAND',
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]
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for (const e of events)
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mbus.subscribe(e, event => this.eventHandler(event))
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// click on the empty tree list to unmark all nodes.
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const nodesEl = document.getElementById('nodes')
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nodesEl.addEventListener('click', event => {
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// To prevent accidentally removing all node marks,
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// shift is required to be unpressed, since it is required to
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// be pressed when marking nodes.
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if (event.shiftKey)
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return
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const markedElements = document.querySelectorAll('#nodes .node.marked')
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for (const e of markedElements)
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e.classList.remove('marked')
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})
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// Fetch the top node to start
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this.fetchNodes(0)
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.then(node => {
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const top = document.getElementById('nodes')
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const topNode = this.treeNodes.get(0)
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topNode.expanded = true
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top.appendChild(topNode.render())
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//this.updateNode(0)
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})
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.catch(err => showError(err))
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}// }}}
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eventHandler(event) {// {{{
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switch (event.type) {
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case 'NODE_EXPAND':
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this.updateNode(event.detail.node.ID)
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break
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default:
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alert(`Unhandled event: ${event.type}`)
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console.log(event)
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}
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}// }}}
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async fetchNodes(topNode) {// {{{
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return new Promise((resolve, reject) => {
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fetch(`/nodes/tree/${topNode}?depth=1`)
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.then(data => data.json())
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.then(json => {
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if (!json.OK) {
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reject(json.Error)
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return
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}
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// Make sure treenodes are updated with the latest fetched data.
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// The parent node is processed after the children, since the render function needs to have the children already available.
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const nodes = []
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nodes.push(...json.Nodes.Children)
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nodes.push(json.Nodes)
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for (const n of nodes) {
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let treenode = this.treeNodes.get(n.ID)
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if (treenode === undefined) {
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treenode = new TreeNode(this, n)
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treenode.render()
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this.treeNodes.set(n.ID, treenode)
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} else {
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// Since the depth is set to 1, the childrens' children array will be empty.
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// If children have been fetched, these should be kept.
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if (n.NumChildren > 0 && n.Children.length == 0)
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n.Children = treenode.node.Children
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treenode.node = n
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}
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}
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resolve(json.Nodes)
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})
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})
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}// }}}
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updateNode(nodeID) {// {{{
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return new Promise((resolve, reject) => {
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// updateNode retrieves a node and its' immediate children.
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// Node and each child is found in the treeNodes map and the names are updated.
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// If not found, created and added.
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//
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// Newly created nodes are found and added, existing but renamed nodes are modified, and unchanged are left as is.
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this.fetchNodes(nodeID, true)
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.then(node => {
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const thisTreeNode = this.treeNodes.get(nodeID)
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thisTreeNode.render()
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for (const n of thisTreeNode.node.Children)
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this.treeNodes.get(n.ID)?.render()
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resolve()
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})
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.catch(err => { showError(err); reject(err) })
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})
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}// }}}
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sortChildren(children) {// {{{
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children.sort((a, b) => {
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if (a.TypeName < b.TypeName) return -1
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if (a.TypeName > b.TypeName) return 1
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if (a.Name < b.Name) return -1
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if (a.Name > b.Name) return 1
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return 0
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})
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}// }}}
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markedNodes() {// {{{
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const markedElements = document.querySelectorAll('#nodes .node.marked')
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const marked = []
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for (const n of markedElements) {
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const nodeID = n.getAttribute('data-node-id')
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marked.push(this.treeNodes.get(parseInt(nodeID)).node)
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}
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return marked
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}// }}}
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}
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export class TreeNode {
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constructor(tree, data) {// {{{
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this.tree = tree
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this.node = data
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this.childrenFetched = false
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this.element = null
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this.children = null
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this.nameElement = null
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this.expandEventListenerAdded = false
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this.expanded = this.retrieveExpanded()
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if (this.expanded)
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this.tree.fetchNodes(this.node.ID)
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.then(()=>this.render())
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}// }}}
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render() {// {{{
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if (this.element === null) {
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this.element = document.createElement('div')
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this.element.classList.add('node')
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this.element.setAttribute('data-node-id', this.node.ID)
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const nodeHTML = `
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<div class="expand-status"><img /></div>
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<div class="type-icon"><img /></div>
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<div class="name"></div>
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<div class="children"></div>
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`
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this.element.innerHTML = nodeHTML
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this.nameElement = this.element.querySelector('.name')
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this.children = this.element.querySelector('.children')
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this.expandImg = this.element.querySelector('.expand-status img')
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this.expandStatus = this.element.querySelector('.expand-status img')
|
|
|
|
this.nameElement.addEventListener('click', event => this.clickNode(event))
|
|
}
|
|
|
|
// data.NumChildren is set regardless of having fetched the children or not.
|
|
this.updateExpandImages()
|
|
|
|
if (this.node.TypeIcon) {
|
|
const img = this.element.querySelector('.type-icon img')
|
|
img.setAttribute('src', `/images/${_VERSION}/node_modules/@mdi/svg/svg/${this.node.TypeIcon}.svg`)
|
|
}
|
|
|
|
this.nameElement.innerText = this.name()
|
|
|
|
this.tree.sortChildren(this.node.Children)
|
|
const children = []
|
|
for (const c of this.node.Children)
|
|
children.push(this.tree.treeNodes.get(c.ID).element)
|
|
|
|
this.children.replaceChildren(...children)
|
|
|
|
return this.element
|
|
}// }}}
|
|
|
|
name() {// {{{
|
|
if (this.node.TypeName === 'root_node')
|
|
return 'Start'
|
|
return this.node.Name
|
|
}// }}}
|
|
clickNode(event) {// {{{
|
|
if (!event.shiftKey)
|
|
mbus.dispatch('NODE_SELECTED', this.node.ID)
|
|
else
|
|
this.element.classList.toggle('marked')
|
|
event.stopPropagation()
|
|
}// }}}
|
|
hasChildren() {// {{{
|
|
return this.node.NumChildren > 0
|
|
}// }}}
|
|
updateExpandImages() {// {{{
|
|
if (this.hasChildren()) {
|
|
if (this.expanded)
|
|
this.element.classList.add('expanded')
|
|
else
|
|
this.element.classList.remove('expanded')
|
|
|
|
this.expandStatus.setAttribute('src', `/images/${_VERSION}/node_modules/@mdi/svg/svg/${this.expanded ? 'minus-box-outline.svg' : 'plus-box-outline.svg'}`)
|
|
|
|
if (!this.expandEventListenerAdded) {
|
|
this.expandStatus.addEventListener('click', () => this.toggleExpand())
|
|
this.expandEventListenerAdded = true
|
|
}
|
|
} else
|
|
this.expandStatus.setAttribute('src', `/images/${_VERSION}/node_modules/@mdi/svg/svg/circle-medium.svg`)
|
|
}// }}}
|
|
toggleExpand(expanded) {// {{{
|
|
if (expanded === undefined)
|
|
this.expanded = !this.expanded
|
|
else
|
|
this.expanded = expanded
|
|
|
|
this.storeExpanded()
|
|
this.updateExpandImages()
|
|
|
|
if (!this.childrenFetched && this.node.NumChildren > 0 && this.node.Children.length == 0) {
|
|
mbus.dispatch('NODE_EXPAND', this)
|
|
}
|
|
}// }}}
|
|
async fetchChildren() {// {{{
|
|
return new Promise((resolve, reject) => {
|
|
fetch(`/nodes/tree/${this.node.ID}?depth=1`)
|
|
.then(data => data.json())
|
|
.then(json => {
|
|
if (json.OK)
|
|
resolve(json.Nodes)
|
|
else
|
|
reject(json.Error)
|
|
})
|
|
.catch(err => reject(err))
|
|
})
|
|
}// }}}
|
|
|
|
storeExpanded() {// {{{
|
|
sessionStorage.setItem(`tree_expand_${this.node.ID}`, this.expanded ? '1' : '0')
|
|
}// }}}
|
|
retrieveExpanded() {// {{{
|
|
return sessionStorage.getItem(`tree_expand_${this.node.ID}`) === '1'
|
|
}// }}}
|
|
}
|
|
|
|
export class TypesList {
|
|
constructur() {// {{{
|
|
this.types = []
|
|
}// }}}
|
|
async fetchTypes() {// {{{
|
|
return new Promise((resolve, reject) => {
|
|
fetch('/types/')
|
|
.then(data => data.json())
|
|
.then(json => {
|
|
if (!json.OK) {
|
|
showError(json.Error)
|
|
return
|
|
}
|
|
this.types = json.Types
|
|
resolve()
|
|
})
|
|
.catch(err => reject(err))
|
|
})
|
|
}// }}}
|
|
render() {// {{{
|
|
const div = document.createElement('div')
|
|
|
|
this.types.sort(typeSort)
|
|
|
|
let prevGroup = null
|
|
|
|
for (const t of this.types) {
|
|
if (t.Name == 'root_node')
|
|
continue
|
|
|
|
if (t.Schema['x-group'] != prevGroup) {
|
|
prevGroup = t.Schema['x-group']
|
|
const group = document.createElement('div')
|
|
group.classList.add('group')
|
|
group.innerText = t.Schema['x-group']
|
|
div.appendChild(group)
|
|
}
|
|
|
|
const tDiv = document.createElement('div')
|
|
tDiv.classList.add('type')
|
|
tDiv.innerHTML = `
|
|
<div class="img"><img src="/images/${_VERSION}/node_modules/@mdi/svg/svg/file-document-check-outline.svg" /></div>
|
|
<div class="title">${t.Schema.title || t.Name}</div>
|
|
`
|
|
|
|
div.appendChild(tDiv)
|
|
}
|
|
|
|
return div
|
|
}// }}}
|
|
}
|
|
|
|
function typeSort(a, b) {// {{{
|
|
if (a.Schema['x-group'] === undefined)
|
|
a.Schema['x-group'] = 'No group'
|
|
|
|
if (b.Schema['x-group'] === undefined)
|
|
b.Schema['x-group'] = 'No group'
|
|
|
|
if (a.Schema['x-group'] < b.Schema['x-group']) return -1
|
|
if (a.Schema['x-group'] > b.Schema['x-group']) return 1
|
|
|
|
if ((a.Schema.title || a.Name) < (b.Schema.title || b.Name)) return -1
|
|
if ((a.Schema.title || a.Name) > (b.Schema.title || b.Name)) return 1
|
|
|
|
return 0
|
|
}// }}}
|
|
|
|
// vim: foldmethod=marker
|