@Override
                                public void selected(DrawableData drawableData) {
                                    drawable.set(drawableData);
                                    projectData.setChangesSaved(false);
                                    gatherDrawables();
                                    atlasData.produceAtlas();
                                    sortBySelectedMode();
                                    getStage().setScrollFocus(scrollPane);
                                    desktopWorker.addFilesDroppedListener(filesDroppedListener);
                                    refreshDrawableDisplay();
                                }
Recreates the drawables array only including visible drawables.
core/src/com/ray3k/skincomposer/dialog/DialogDrawables.java