Notes2/static/js/page_history.mjs
2026-06-05 18:00:10 +02:00

94 lines
2.3 KiB
JavaScript

import { CustomHTMLElement } from './lib/custom_html_element.mjs'
export class N2PageHistory extends CustomHTMLElement {
static PAGESIZE = 10
static {
this.tmpl = document.createElement('template')
this.tmpl.innerHTML = `
<style>
n2-pagehistory {
margin-top: 32px;
.layout {
}
}
</style>
<div class="layout">
<img data-el="back-image" src="/images/${_VERSION}/icon_back.svg" class="colorize">
<div data-el="back-text">Back to node</div>
<img src="/images/${_VERSION}/icon_history.svg" class="colorize">
<h1 data-el="node-name"></h1>
<div data-el="nodes"></div>
<div class="pagination">
<div data-el="prev">&lt;</div>
<div data-el="page"></div>
<div data-el="next">&gt;</div>
</div>
</div>
`
}
constructor() {
super()
// Connect back icon and text to give the user a way back to the node.
this.elBackImage.addEventListener('click', () => _mbus.dispatch('SHOW_PAGE', { page: 'node' }))
this.elBackText.addEventListener('click', () => _mbus.dispatch('SHOW_PAGE', { page: 'node' }))
this.elPrev.addEventListener('click', ()=>this.prevPage())
this.elNext.addEventListener('click', ()=>this.nextPage())
_mbus.subscribe('NODE_UI_OPEN', async (event) => {
await this.useNode(event.detail.data)
this.render()
})
}
async useNode(node) {
this.node = node
this.page = 1
this.nodesTotal = await nodeStore.nodesHistory.count(this.node.UUID)
this.pages = Math.ceil(this.nodesTotal / N2PageHistory.PAGESIZE)
}
prevPage() {
if (this.page == 1)
return
this.page--
this.render()
}
nextPage() {
if (this.page >= this.pages)
return
this.page++
this.render()
}
async render() {
this.elNodeName.innerText = this.node.get('Name')
this.elPage.innerText = `${this.page} / ${this.pages}`
this.elNodes.innerHTML = ''
let nodes = await nodeStore.nodesHistory.retrievePage(this.node.UUID, N2PageHistory.PAGESIZE, this.page)
let i = 0
for (const n of nodes) {
i++
const div = document.createElement('div')
div.innerHTML = `
<div>${N2PageHistory.PAGESIZE * (this.page - 1) + i}</div>
<div>${n.get('Updated').replace('T', ' ')}</div>
`
div.classList.add('history-node')
this.elNodes.append(div)
}
}
}
customElements.define('n2-pagehistory', N2PageHistory)