316 lines
7.8 KiB
JavaScript
316 lines
7.8 KiB
JavaScript
import { ROOT_NODE } from 'node_store'
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import { TreeNative } from 'tree'
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import { NodeUINative, Node } from 'node'
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import { SyncProgress } from 'sync'
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export class App {
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constructor() {// {{{
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this.currentNode = null
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this.treeNative = new TreeNative()
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this.crumbs = new Crumbs()
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this.crumbsElement = document.getElementById('crumbs')
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this.nodeUI = new NodeUINative(document.getElementById('note'))
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_mbus.subscribe('TREE_TRUNK_FETCHED', async () => {
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document.getElementById('tree').append(this.treeNative.render())
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document.getElementById('tree-nodes')?.focus()
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const startNode = await this.getStartNode()
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this.goToNode(startNode.UUID, false, false)
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})
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_mbus.subscribe('TREE_NODE_SELECTED', event => {
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const node = event.detail.data
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this.goToNode(node.UUID, false, false)
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})
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_mbus.subscribe('GO_TO_NODE', event => {
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const node = event.detail.data
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this.goToNode(node.nodeUUID, node.dontPush, node.dontExpand)
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})
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window.addEventListener('keydown', event => this.keyHandler(event))
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document.getElementById('notes2').addEventListener('click', event => {
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if (event.target.id === 'notes2')
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document.getElementById('node-content')?.focus()
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})
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const syncProgress = document.getElementById('sync-progress')
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new SyncProgress(syncProgress)
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window._sync = new Sync()
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window._sync.run()
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}// }}}
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keyHandler(event) {//{{{
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let handled = true
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// All keybindings is Alt+Shift, since the popular browsers at the time (2023) allows to override thees.
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// Ctrl+S is the exception to using Alt+Shift, since it is overridable and in such widespread use for saving.
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// Thus, the exception is acceptable to consequent use of alt+shift.
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if (!(event.shiftKey && event.altKey) && !(event.key.toUpperCase() === 'S' && event.ctrlKey))
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return
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switch (event.key.toUpperCase()) {
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case 'T':
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if (document.activeElement.id === 'tree-nodes')
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document.getElementById('node-content').focus()
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else
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document.getElementById('tree-nodes').focus()
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break
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case 'F':
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_mbus.dispatch('op-search')
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break
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/*
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case 'C':
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this.showPage('node')
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break
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case 'E':
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this.showPage('keys')
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break
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case 'M':
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this.toggleMarkdown()
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break
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*/
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case 'N':
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this.createNode()
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break
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/*
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case 'P':
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this.showPage('node-properties')
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break
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*/
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case 'S':
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this.saveNode()
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/*
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else if (this.page.value === 'node-properties')
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this.nodeProperties.current.save()
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*/
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break
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/*
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case 'U':
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this.showPage('upload')
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break
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case 'F':
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this.showPage('search')
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break
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*/
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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.preventDefault()
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event.stopPropagation()
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}
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}//}}}
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async getStartNode() {//{{{
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let nodeUUID = ROOT_NODE
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// Is a UUID provided on the URI as an anchor?
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const parts = document.URL.split('#')
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if (parts[1]?.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i))
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nodeUUID = parts[1]
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return await nodeStore.get(nodeUUID)
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}//}}}
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async saveNode() {//{{{
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if (!this.currentNode.isModified())
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return
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/* The node history is a local store for node history.
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* This could be provisioned from the server or cleared if
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* deemed unnecessary.
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*
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* The send queue is what will be sent back to the server
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* to have a recorded history of the notes.
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*
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* A setting to be implemented in the future could be to
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* not save the history locally at all. */
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const node = this.currentNode
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// The node is still in its old state and will present
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// the unmodified content to the node store.
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const history = nodeStore.nodesHistory.add(node)
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// Prepares the node object for saving.
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// Sets Updated value to current date and time.
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await node.save()
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// Updated node is added to the send queue to be stored on server.
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const sendQueue = nodeStore.sendQueue.add(node)
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// Updated node is saved to the primary node store.
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const nodeStoreAdding = nodeStore.add([node])
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await Promise.all([history, sendQueue, nodeStoreAdding])
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}//}}}
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async createNode() {//{{{
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let name = prompt("Name")
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if (!name)
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return
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const nn = Node.create(name, this.currentNode.UUID)
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nn.save()
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nodeStore.sendQueue.add(nn)
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nodeStore.add([nn])
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}//}}}
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async goToNode(nodeUUID, dontPush, dontExpand) {//{{{
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if (nodeUUID === null || nodeUUID === undefined)
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return
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// Don't switch notes until saved.
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if (this.nodeUI.isModified()) {
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if (!confirm("Changes not saved. Do you want to discard changes?"))
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return
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}
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if (!dontPush)
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history.pushState({ nodeUUID }, '', `/notes2#${nodeUUID}`)
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const node = nodeStore.node(nodeUUID)
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node.reset() // any modifications are discarded.
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this.currentNode = node
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this.treeNative.setSelected(node, dontExpand)
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const ancestors = await nodeStore.getNodeAncestry(node)
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_mbus.dispatch('CRUMBS_SET', ancestors, () => this.crumbsElement.replaceChildren(this.crumbs.render()))
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_mbus.dispatch('NODE_UI_OPEN', node)
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_mbus.dispatch('NODE_UNMODIFIED')
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// Scrolls node into view.
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this.treeNative.makeVisible(node)
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}//}}}
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}
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class Crumbs {
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constructor() {// {{{
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this.crumbs = []
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this.crumbsDiv = document.createElement('div')
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this.crumbsDiv.classList.add('crumbs')
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_mbus.subscribe('CRUMBS_SET', event => {
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this.crumbs = event.detail.data
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})
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}// }}}
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render() {// {{{
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const crumbs = this.crumbs.map(node =>
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(new Crumb(
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node.get('Name'),
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node.UUID,
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)).render()
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)
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const start = (new Crumb('Start', ROOT_NODE)).render()
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crumbs.push(start)
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this.crumbsDiv.replaceChildren(...crumbs.reverse())
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return this.crumbsDiv
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}// }}}
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}
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class Crumb {
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constructor(label, uuid) {// {{{
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this.label = label
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this.uuid = uuid
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}// }}}
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render() {// {{{
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const crumb = document.createElement('div')
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crumb.classList.add('crumb')
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const link = document.createElement('a')
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link.href = `/notes2#${this.uuid}`
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link.innerText = this.label
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crumb.appendChild(link)
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return crumb
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}// }}}
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}
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function tmpl(html) {// {{{
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const el = document.createElement('template')
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el.innerHTML = html
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return el.content.children
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}// }}}
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class Op {
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constructor(id) {// {{{
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this.id = id
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_mbus.subscribe(this.id, p => this.render(p))
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}// }}}
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render(html) {// {{{
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const op = document.getElementById('op')
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const t = document.createElement('template')
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t.innerHTML = `<dialog id="${this.id}" class="op">${html}</dialog>`
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op.replaceChildren(t.content)
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document.getElementById(this.id).showModal()
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}// }}}
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get(selector) {// {{{
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return document.querySelector(`#${this.id} ${selector}`)
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}// }}}
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bind(selector, event, fn) {// {{{
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this.get(selector).addEventListener(event, evt => fn(evt))
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}// }}}
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}
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class OpSearch extends Op {
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constructor() {// {{{
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super('op-search')
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}// }}}
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render() {// {{{
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super.render(`
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<div class="header">Search</div>
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<div>
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<input type="text" />
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</div>
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<div class="header">Results</div>
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<div class="results"></div>
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`)
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this.bind('input[type="text"]', 'keydown', evt => this.search(evt))
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}// }}}
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search(event) {// {{{
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if (event.key !== 'Enter')
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return
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const searchFor = document.querySelector('#op-search input').value
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nodeStore.search(searchFor, ROOT_NODE)
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.then(res => this.displayResults(res))
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}// }}}
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displayResults(results) {// {{{
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const rs = []
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for (const r of results) {
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const ancestors = r.ancestry.reverse().map(a => {
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const div = tmpl(`<div class="ancestor">${a.data.Name}</div>`)
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div[0].addEventListener('click', () => _notes2.current.goToNode(a.UUID))
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return div[0]
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})
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const div = tmpl(`<div>${r.name}</div>`)
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div[0].addEventListener('click', () => _notes2.current.goToNode(r.uuid))
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rs.push(...div)
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const ancDev = tmpl('<div class="ancestors"></div>')
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ancDev[0].append(...ancestors)
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rs.push(ancDev[0])
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}
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this.get('.results').replaceChildren(...rs)
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}// }}}
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}
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// vim: foldmethod=marker
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