void addScrollbars(ImagePlus imp) {
ImageStack s = imp.getStack();
int stackSize = s.getSize();
nSlices = stackSize;
hyperStack = imp.getOpenAsHyperStack();
// imp.setOpenAsHyperStack(false);
int[] dim = imp.getDimensions();
int nDimensions = 2 + (dim[2] > 1 ? 1 : 0) + (dim[3] > 1 ? 1 : 0) + (dim[4] > 1 ? 1 : 0);
if (nDimensions <= 3 && dim[2] != nSlices) hyperStack = false;
if (hyperStack) {
nChannels = dim[2];
nSlices = dim[3];
nFrames = dim[4];
}
// IJ.log("StackWindow: "+hyperStack+" "+nChannels+" "+nSlices+" "+nFrames);
if (nSlices == stackSize) hyperStack = false;
if (nChannels * nSlices * nFrames != stackSize) hyperStack = false;
if (cSelector != null || zSelector != null || tSelector != null) removeScrollbars();
ImageJ ij = IJ.getInstance();
if (nChannels > 1) {
cSelector = new ScrollbarWithLabel(this, 1, 1, 1, nChannels + 1, 'c');
add(cSelector);
if (ij != null) cSelector.addKeyListener(ij);
cSelector.addAdjustmentListener(this);
cSelector.setFocusable(false); // prevents scroll bar from blinking on Windows
cSelector.setUnitIncrement(1);
cSelector.setBlockIncrement(1);
}
if (nSlices > 1) {
char label = nChannels > 1 || nFrames > 1 ? 'z' : 't';
if (stackSize == dim[2] && imp.isComposite()) label = 'c';
zSelector = new ScrollbarWithLabel(this, 1, 1, 1, nSlices + 1, label);
if (label == 't') animationSelector = zSelector;
add(zSelector);
if (ij != null) zSelector.addKeyListener(ij);
zSelector.addAdjustmentListener(this);
zSelector.setFocusable(false);
int blockIncrement = nSlices / 10;
if (blockIncrement < 1) blockIncrement = 1;
zSelector.setUnitIncrement(1);
zSelector.setBlockIncrement(blockIncrement);
sliceSelector = zSelector.bar;
}
if (nFrames > 1) {
animationSelector = tSelector = new ScrollbarWithLabel(this, 1, 1, 1, nFrames + 1, 't');
add(tSelector);
if (ij != null) tSelector.addKeyListener(ij);
tSelector.addAdjustmentListener(this);
tSelector.setFocusable(false);
int blockIncrement = nFrames / 10;
if (blockIncrement < 1) blockIncrement = 1;
tSelector.setUnitIncrement(1);
tSelector.setBlockIncrement(blockIncrement);
}
}
