in app/scripts/views/dialog/widgetGallery.js [18:36]
var clickHandler = function (event) {
event.preventDefault();
$(this).toggleClass('action-button-add');
$(this).toggleClass('action-button-delete');
var button = $(this).children('.action-button').children('a');
button.text(function () {
if (button.text() === Ember.I18n.translate('deleteText')) {
return Ember.I18n.translate('addText');
} else {
return Ember.I18n.translate('deleteText');
}
});
};