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There is in fact no "straightforward" mechanism in InDesign. Trying to shrink the cells using "if ... cell.overflows" will make you end up banging your head against the wall because InDesign would need a recompose after each step, well, plus ideally an "idle" phase to reliably redraw the table.
My solution, based on the idea of my friend Martin Fischer, goes like this: I assess the largest cell entry in each column and then assign this value, plus an addition for rounding errors, to the column. Something like:
// Spaltenbreitenoptimierung
// --------------------------------------------
/*
V 1.0 vom 17.11.2021
Voraussetzung: Einfügemarke muss in der Tabelle blinken.
*/
// ------------------------------------------------------------------------------------
// Variablen, gerne zu bearbeiten
var zugabe = 0.2 // Zugabe in Millimetern
// ------------------------------------------------------------------------------------
// Variablen, intern
var col, c = null;
var textwidth, cwidth = 0;
var t = null;
// Auswahl?
if ( app.selection.length == 0 || app.selection[0].parent.parent.constructor.name != "Table") {
alert ( "Bitte Einfügemarke in Tabelle stellen", "Keine Tabelle" );
exit();
}
// Tabelle ansprechen
var t = app.selection[0].parent.parent;
// Spalten von rechts nach links durchgehen
for ( var j = t.columns.length - 1; j >= 0 ; j-- ) {
col = t.columns[j];
// durch alle Zeilen durchgehen und die Textbreite feststellen
for ( var i = 0; i < col.cells.length; i++ ) {
c = col.cells[i];
textwidth = c.texts.firstItem().insertionPoints.lastItem().horizontalOffset - c.texts.firstItem().insertionPoints.firstItem().horizontalOffset;
cwidth = Math.max(cwidth, textwidth);
}
// der Spalte die ermittelte Maximalbreite zuweisen und um die Zugabe erhöhen
col.width = cwidth + zugabe;
// und wieder auf Null
cwidth = 0;
}
alert ( "Fertig!", "Fertig!" );where the cursor needs to blink somewhere in the table.
However, this solution shall only show the idea; you have to consider left/right cell insets, multiple rows in a cell, and so on.
Interestingly, this solution is quite performant; this table is optimised in "no time":
Hope this helps and gives you a kind of starting point.
uwe@die-3-richters Laubender: I really try to shorten the time for contributions 🙂
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