Override master page items on the 1st page only

[Rogerio5C09]

Hey guys,

I have found this script on the internet (link) and it's exacty what I need, however I'm getting this error when I try to run it "null is not an object". Can anyone take a look?

var myDoc = app.activeDocument;

var myPages = myDoc.pages;

var myMasterPage = myPages[0].appliedMaster.pages[0];

var myItems = myPages[0].allPageItems;
for (y=0; y<myItems.length; y++) {
    var myItem = myItems[y];

    if (myItem.constructor === TextFrame) {
        myItem.override(myMasterPage);
    }
}

Thanks,
Rogerio

[brian_p_dts · Accepted solution]

You don't override a live page's items. You override the master page items to the target page (passed in the override function). As in:

var myDoc = app.activeDocument;

var myDoc = app.activeDocument;
var myPages = myDoc.pages;

var myMasterPage = myPages[0].appliedMaster.pages[0];

var myItems = myMasterPage.allPageItems;
for (y=0; y<myItems.length; y++) {
    var myItem = myItems[y];

    if (myItem.constructor === TextFrame) {
        myItem.override(myPages[0]);
    }
}

[m1b]

Remember to put the myItem.override() inside a try/catch block. This is because it will throw an error if the item has already been overridden.

- Mark

[Marc Autret]

Also take note that myItem.override(targetPage) tends to shift the item when new pages have been added or for other obscure reasons.

A generic bugfix is based on the targetPage.masterPageTransform matrix, whose nonzero translation components typically reflect the undesired shift:

// Fixed override()
var mx = targetPage.masterPageTransform.matrixValues.slice(-2);
mx[0] += 'pt';
mx[1] += 'pt';

try{ myItem.override(targetPage).move(void 0, mx) }
catch(_){ }

Best,

Marc