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fix: improve hidecolumns behaviour

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This commit is contained in:
Gregor Kleen 2020-08-25 21:08:28 +02:00
parent 66cbf0c508
commit 9a4f30b811
1 changed files with 38 additions and 7 deletions
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45
frontend/src/lib/table/table.js
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@ -5,17 +5,26 @@ import * as defer from 'lodash.defer';
class Overhang {
colSpan;
rowSpan;
cell;
constructor(colSpan, rowSpan) {
constructor(colSpan, rowSpan, cell) {
this.colSpan = colSpan;
this.rowSpan = rowSpan;
this.cell = cell;
if (new.target === Overhang)
Object.freeze(this);
}
nextLine() {
return new Overhang(this.colSpan, Math.max(0, this.rowSpan - 1));
return new Overhang(this.colSpan, Math.max(0, this.rowSpan - 1), this.cell);
}
reduceCol(n) {
if (this.colSpan > n)
return new Overhang(this.colSpan - n, this.rowSpan, this.cell);
else
return null;
}
isHole() {
@ -57,11 +66,10 @@ export class TableIndices {
this._table = table;
let overhangs = new Array();
let currentOverhangs = new Array();
let currentRow = 0;
for (const rowParent of this._table.rows) {
let currentOverhangs = Array.from(overhangs);
let newOverhangs = new Array();
let cellBefore = 0;
@ -76,18 +84,38 @@ export class TableIndices {
break;
else
newOverhangs.push(overhang.nextLine());
if (DEBUG_MODE > 1)
console.log('From overhang', overhang);
cellBefore += overhang.colSpan;
}
currentOverhangs = currentOverhangs.slice(i);
let remCols = this.colSpan(cell);
while (remCols > 0 && currentOverhangs[0]) {
let firstOverhang = currentOverhangs[0].reduceCol(this.colSpan(cell));
if (firstOverhang) {
if (DEBUG_MODE > 1)
console.log('Replace first overhang', remCols, currentOverhangs[0], firstOverhang);
currentOverhangs[0] = firstOverhang;
break;
} else {
if (DEBUG_MODE > 1)
console.log('Drop first overhang', remCols, currentOverhangs[0], firstOverhang);
remCols -= currentOverhangs[0].colSpan;
currentOverhangs.shift();
}
}
this._cellToIndices.set(cell, { row: currentRow, col: cellBefore });
let rows = range(currentRow, currentRow + this.rowSpan(cell));
let columns = range(cellBefore, cellBefore + this.colSpan(cell));
if (DEBUG_MODE > 0) {
if (DEBUG_MODE > 1) {
console.log('Result', rows, columns);
cell.dataset.rows = JSON.stringify(rows);
cell.dataset.columns = JSON.stringify(columns);
}
@ -104,11 +132,14 @@ export class TableIndices {
}
}
newOverhangs.push(new Overhang(this.colSpan(cell), this.rowSpan(cell) - 1));
newOverhangs.push(new Overhang(this.colSpan(cell), this.rowSpan(cell) - 1, cell));
if (DEBUG_MODE > 1)
console.log('From current cell', this.colSpan(cell));
cellBefore += this.colSpan(cell);
}
overhangs = newOverhangs;
currentOverhangs = Array.from(newOverhangs);
currentRow++;
}