Notes2/static/js/node.mjs
2024-12-19 23:33:10 +01:00

383 lines
10 KiB
JavaScript

import { h, Component, createRef } from 'preact'
import htm from 'htm'
import { signal } from 'preact/signals'
import { ROOT_NODE } from 'node_store'
const html = htm.bind(h)
export class NodeUI extends Component {
constructor(props) {//{{{
super(props)
this.menu = signal(false)
this.node = signal(null)
this.nodeContent = createRef()
this.nodeProperties = createRef()
this.nodeModified = signal(false)
this.keys = signal([])
this.page = signal('node')
this.crumbs = []
window.addEventListener('popstate', evt => {
if (evt.state?.hasOwnProperty('nodeUUID'))
_notes2.current.goToNode(evt.state.nodeUUID, true)
else
_notes2.current.goToNode('00000000-0000-0000-0000-000000000000', true)
})
window.addEventListener('keydown', evt => this.keyHandler(evt))
}//}}}
render() {//{{{
if (this.node.value === null)
return
const node = this.node.value
document.title = node.get('Name')
const nodeModified = this.nodeModified.value ? 'node-modified' : ''
const crumbDivs = [
html`<div class="crumb" onclick=${() => _notes2.current.goToNode(ROOT_NODE)}>Start</div>`
]
for (let i = this.crumbs.length-1; i >= 0; i--) {
const crumbNode = this.crumbs[i]
crumbDivs.push(html`<div class="crumb" onclick=${() => _notes2.current.goToNode(crumbNode.UUID)}>${crumbNode.get('Name')}</div>`)
}
if (node.UUID !== ROOT_NODE)
crumbDivs.push(
html`<div class="crumb" onclick=${() => _notes2.current.goToNode(node.UUID)}>${node.get('Name')}</div>`
)
return html`
<div id="crumbs" onclick=${() => this.saveNode()}>
<div class="crumbs ${nodeModified}">
${crumbDivs}
</div>
</div>
<div id="name">${node.get('Name')}</div>
<${NodeContent} key=${node.UUID} node=${node} ref=${this.nodeContent} />
<div id="blank"></div>
`
return
let crumbs = [
html`<div class="crumb" onclick=${() => this.goToNode(0)}>Start</div>`
]
crumbs = crumbs.concat(node.Crumbs.slice(0).map(node =>
html`<div class="crumb" onclick=${() => this.goToNode(node.ID)}>${node.Name}</div>`
).reverse())
// Page to display
let page = ''
switch (this.page.value) {
case 'node':
if (node.ID === 0) {
page = html`
<div style="cursor: pointer; color: #000; text-align: center;" onclick=${() => { this.page.value = 'schedule-events' }}>Schedule events</div>
${children.length > 0 ? html`<div class="child-nodes">${children}</div><div id="notes-version">Notes version ${window._VERSION}</div>` : html``}
`
} else {
let padlock = ''
if (node.CryptoKeyID > 0)
padlock = html`<img src="/images/${window._VERSION}/padlock-black.svg" style="height: 24px;" />`
page = html`
${children.length > 0 ? html`<div class="child-nodes">${children}</div>` : html``}
<div class="node-name">
${node.Name} ${padlock}
</div>
<${NodeContent} key=${node.ID} node=${node} ref=${this.nodeContent} />
<${NodeEvents} events=${node.ScheduleEvents.value} />
<${Checklist} ui=${this} groups=${node.ChecklistGroups} />
<${NodeFiles} node=${this.node.value} />
`
}
break
case 'upload':
page = html`<${UploadUI} nodeui=${this} />`
break
case 'node-properties':
page = html`<${NodeProperties} ref=${this.nodeProperties} nodeui=${this} />`
break
case 'keys':
page = html`<${Keys} nodeui=${this} />`
break
case 'profile-settings':
page = html`<${ProfileSettings} nodeui=${this} />`
break
case 'search':
page = html`<${Search} nodeui=${this} />`
break
case 'schedule-events':
page = html`<${ScheduleEventList} nodeui=${this} />`
break
}
const menu = () => (this.menu.value ? html`<${Menu} nodeui=${this} />` : null)
const checklist = () =>
html`
<div class="checklist" onclick=${evt => { evt.stopPropagation(); this.toggleChecklist() }}>
<img src="/images/${window._VERSION}/${this.showChecklist() ? 'checklist-on.svg' : 'checklist-off.svg'}" />
</div>`
return html`
<${menu} />
<!--header class="${modified}" onclick=${() => this.saveNode()}>
<div class="tree"><img src="/images/${window._VERSION}/tree.svg" onclick=${() => document.getElementById('app').classList.toggle('toggle-tree')} /></div>
<div class="name">Notes</div>
<div class="markdown" onclick=${evt => { evt.stopPropagation(); this.toggleMarkdown() }}><img src="/images/${window._VERSION}/${node.RenderMarkdown.value ? 'markdown.svg' : 'markdown-hollow.svg'}" /></div>
<${checklist} />
<div class="search" onclick=${evt => { evt.stopPropagation(); this.showPage('search') }}><img src="/images/${window._VERSION}/search.svg" /></div>
<div class="add" onclick=${evt => this.createNode(evt)}><img src="/images/${window._VERSION}/add.svg" /></div>
<div class="keys" onclick=${evt => { evt.stopPropagation(); this.showPage('keys') }}><img src="/images/${window._VERSION}/padlock.svg" /></div>
<div class="menu" onclick=${evt => this.showMenu(evt)}>☰</div>
</header-->
<div style="display: grid; justify-items: center;">
<div id="crumbs">
<div class="crumbs">${crumbs}</crumbs>
</div>
</div>
${page}
`
}//}}}
async componentDidMount() {//{{{
_notes2.current.goToNode(this.props.startNode.UUID, true)
_notes2.current.tree.expandToTrunk(this.props.startNode)
}//}}}
setNode(node) {//{{{
this.nodeModified.value = false
this.node.value = node
}//}}}
setCrumbs(nodes) {//{{{
this.crumbs = nodes
}//}}}
async saveNode() {//{{{
if (!this.nodeModified.value)
return
await nodeStore.copyToNodesHistory(this.node.value)
// Prepares the node object for saving.
// Sets Updated value to current date and time.
const node = this.node.value
node.save()
await nodeStore.add([node])
this.nodeModified.value = false
}//}}}
keyHandler(evt) {//{{{
let handled = true
// All keybindings is Alt+Shift, since the popular browsers at the time (2023) allows to override thees.
// Ctrl+S is the exception to using Alt+Shift, since it is overridable and in such widespread use for saving.
// Thus, the exception is acceptable to consequent use of alt+shift.
if (!(evt.shiftKey && evt.altKey) && !(evt.key.toUpperCase() == 'S' && evt.ctrlKey))
return
switch (evt.key.toUpperCase()) {
/*
case 'C':
this.showPage('node')
break
case 'E':
this.showPage('keys')
break
case 'M':
this.toggleMarkdown()
break
case 'N':
this.createNode()
break
case 'P':
this.showPage('node-properties')
break
*/
case 'S':
if (this.page.value === 'node')
this.saveNode()
else if (this.page.value === 'node-properties')
this.nodeProperties.current.save()
break
/*
case 'U':
this.showPage('upload')
break
case 'F':
this.showPage('search')
break
*/
default:
handled = false
}
if (handled) {
evt.preventDefault()
evt.stopPropagation()
}
}//}}}
}
class NodeContent extends Component {
constructor(props) {//{{{
super(props)
this.contentDiv = createRef()
this.state = {
modified: false,
}
}//}}}
render({ node }) {//{{{
let content = ''
try {
content = node.content()
} catch (err) {
return html`
<div id="node-content" class="node-content encrypted">${err.message}</div>
`
}
/*
let element
if (node.RenderMarkdown.value)
element = html`<${MarkdownContent} key='markdown-content' content=${content} />`
else
*/
const element = html`
<div class="grow-wrap">
<textarea id="node-content" class="node-content" ref=${this.contentDiv} oninput=${evt => this.contentChanged(evt)} required rows=1>${content}</textarea>
</div>
`
return element
}//}}}
componentDidMount() {//{{{
this.resize()
window.addEventListener('resize', () => this.resize())
const contentResizeObserver = new ResizeObserver(entries => {
for (const idx in entries) {
const w = entries[idx].contentRect.width
document.querySelector('#crumbs .crumbs').style.width = `${w}px`
}
});
const nodeContent = document.getElementById('node-content')
contentResizeObserver.observe(nodeContent);
}//}}}
componentDidUpdate() {//{{{
this.resize()
}//}}}
contentChanged(evt) {//{{{
_notes2.current.nodeUI.current.nodeModified.value = true
this.props.node.setContent(evt.target.value)
this.resize()
}//}}}
resize() {//{{{
const textarea = document.getElementById('node-content')
if (textarea)
textarea.parentNode.dataset.replicatedValue = textarea.value
}//}}}
}
export class Node {
static sort(a, b) {//{{{
if (a.data.Name < b.data.Name) return -1
if (a.data.Name > b.data.Name) return 0
return 0
}//}}}
constructor(nodeData, level) {//{{{
this.Level = level
this.data = nodeData
this.UUID = nodeData.UUID
this.ParentUUID = nodeData.ParentUUID
this._children_fetched = false
this.Children = []
this._content = this.data.Content
this._modified = false
/*
this.RenderMarkdown = signal(nodeData.RenderMarkdown)
this.Markdown = false
this.ShowChecklist = signal(false)
this._content = nodeData.Content
this.Crumbs = []
this.Files = []
this._decrypted = false
this._expanded = false // start value for the TreeNode component,
this.ChecklistGroups = {}
this.ScheduleEvents = signal([])
// it doesn't control it afterwards.
// Used to expand the crumbs upon site loading.
*/
}//}}}
get(prop) {//{{{
return this.data[prop]
}//}}}
updated() {//{{{
// '2024-12-17T17:33:48.85939Z
return new Date(Date.parse(this.data.Updated))
}//}}}
hasFetchedChildren() {//{{{
return this._children_fetched
}//}}}
async fetchChildren() {//{{{
if (this._children_fetched)
return this.Children
this.Children = await nodeStore.getTreeNodes(this.UUID, this.Level + 1)
this._children_fetched = true
return this.Children
}//}}}
content() {//{{{
/* TODO - implement crypto
if (this.CryptoKeyID != 0 && !this._decrypted)
this.#decrypt()
*/
this.modified = true
return this._content
}//}}}
setContent(new_content) {//{{{
this._content = new_content
/* TODO - implement crypto
if (this.CryptoKeyID == 0)
// Logic behind plaintext not being decrypted is that
// only encrypted values can be in a decrypted state.
this._decrypted = false
else
this._decrypted = true
*/
}//}}}
save() {//{{{
this.data.Content = this._content
this.data.Updated = new Date().toISOString()
this._modified = false
}//}}}
}
// vim: foldmethod=marker