CODEWITHSUNDEEP
gwtfont-sizegwt2
superscral
superscral

Reputation: 480

GWT - Increase and reduce font size

In a GWT web application, I want to give the opportunity to my users to decrease or increase font size in the current page.

Is it possible, in GWT, to do this, if the user click on + button:

body { font-size: 150%; }

And to do this, if the user click on - button:

body { font-size: 50%; }

Thanks!

Upvotes: 0

Views: 1670

Answers (2)

udalmik
udalmik

Reputation: 7998

Please try following:

Document.get().setStyleAttribute("font-size", "150%");

If you need to modify styles of particular style classes, then you should query them first somehow. (with native JS or http://code.google.com/p/gwtquery/ for example) Then iterate them and modify style attributes

DOM.setStyleAttribute(someGwtElement.getElement(), "font-size", "150%");

Upvotes: 0

Jean-Michel Garcia
Jean-Michel Garcia

Reputation: 2389

This works for a CSS inline solution. Replace CLASSNAMEHERE to suit your needs, or pass it as a parameter of the function.

private static native void changeFontSize(int inc)/*-{
        {
            var p = $doc.getElementsByClassName('CLASSNAMEHERE');
            for (n = 0; n < p.length; n++) {
                if (p[n].style.fontSize) {
                    var size = parseInt(p[n].style.fontSize.replace("px", ""));
                } else {
                    var size = 11;
                }
                p[n].style.fontSize = size + inc + 'px';
            }
        }
    }-*/;

Upvotes: 1

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