SimpleCommands.java

package ij.plugin;
import ij.*;
import ij.process.*;
import ij.gui.*;

public class SimpleCommands implements PlugIn {

    public void run(String arg) {
        ImagePlus imp = IJ.getInstance().getImagePlus();
        if (imp==null)
            {IJ.noImage(); return;}
        if (arg.equals("unlock"))
            unlock(imp);
        else if (arg.equals("rename"))
            rename(imp);
    }

    void unlock(ImagePlus imp) {
        boolean wasUnlocked = imp.lockSilently();
        if (wasUnlocked)
            IJ.showStatus("\""+imp.getTitle()+"\" is not locked");
        else {
            IJ.showStatus("\""+imp.getTitle()+"\" is now unlocked");
            IJ.beep();
        }
        imp.unlock();
    }

    void rename(ImagePlus imp) {
        GenericDialog gd = new GenericDialog("Rename");
        gd.addStringField("Title:", imp.getTitle(), 30);
        gd.showDialog();
        if (gd.wasCanceled())
            return;
        else
            imp.setTitle(gd.getNextString());
    }
        
}