freifunkmanager/webroot/js/table.js

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JavaScript
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2018-08-10 11:52:46 +02:00
import * as V from 'superfine';
export default class Table {
constructor (el, properties, headings, sortIndex, renderRow) {
this.sortReverse = false;
this.el = el;
this.headings = headings;
this.sortIndex = sortIndex;
this.renderRow = renderRow;
this.properties = properties;
this.maxDisplayedRows = localStorage.getItem("maxDisplayedRows");
if (this.maxDisplayedRows == null) {
this.maxDisplayedRows = 20;
}
}
sortTable(i) {
this.sortReverse = i === this.sortIndex ? !this.sortReverse : false;
this.sortIndex = i;
this.render();
}
render () {
const children = [],
self = this;
if (this.data.length !== 0) {
const th = this.headings.map((d, i) => {
const properties = {};
let name = d.name;
if (d.class) {
properties.class += ' ' + d.class;
properties.title = name;
name = '';
}
if (!d.sort) {
return V.h('th', properties, name);
}
properties.onclick = () => self.sortTable(i);
properties.class = 'sort-header';
if (self.sortIndex === i) {
properties.class += self.sortReverse ? ' sort-up' : ' sort-down';
}
return V.h('th', properties, name);
});
let rows = this.data.slice(0).sort(this.headings[this.sortIndex].sort);
if (this.headings[this.sortIndex].reverse ? !this.sortReverse : this.sortReverse) {
rows = rows.reverse();
}
var maxDisplayedRows = rows.length;
if (this.maxDisplayedRows != -1) {
maxDisplayedRows = Math.min(this.maxDisplayedRows, maxDisplayedRows);
}
var visibleRows = [];
for (let i = 0; i < maxDisplayedRows; i += 1) {
visibleRows.push(rows[i]);
}
children.push(V.h('thead', {}, V.h('tr', {}, th)));
children.push(V.h('tbody', {}, visibleRows.map(this.renderRow)));
children.push(V.h('tfoot', {}, V.h('tr', {}, V.h('td',{colspan: th.length},
[V.h('span',{}, maxDisplayedRows + " of " + rows.length + " nodes. Show: ")].concat(
[["5", 5], ["10", 10], ["20", 20], ["50", 50], ["All", -1]].map((item)=>
V.h('a',{
class: 'btn',
onclick:()=> {
this.maxDisplayedRows = item[1];
localStorage.setItem("maxDisplayedRows", this.maxDisplayedRows);
}
}, item[0])
))
))));
}
V.render(this.vel, this.vel = V.h('table',this.properties, children), this.el);
}
setData(d) {
this.data = d;
this.render();
}
}