Method open

ij/src/main/java/ij/io/OpenDialog.java:191–220

(String title, String path, String fileName)

	
	// Uses the AWT FileDialog class to display the dialog box
	void open(String title, String path, String fileName) {
		Frame parent = IJ.getInstance();
		if (parent==null) {
			if (sharedFrame==null) sharedFrame = new Frame();
			parent = sharedFrame;
		}
		if (IJ.isMacOSX() && IJ.isJava18()) {
			ImageJ ij = IJ.getInstance();
			if (ij!=null && ij.isActive())
				parent = ij;
			else
				parent = null;
		}
		FileDialog fd = new FileDialog(parent, title);
		if (path!=null) {
			if (IJ.isWindows() && path.contains("/"))
				path = path.replaceAll("/","\\\\"); // work around FileDialog.setDirectory() bug
			fd.setDirectory(path);
		}
		if (fileName!=null)
			fd.setFile(fileName);
		fd.show();
		name = fd.getFile();
		if (name==null) {
			if (IJ.isMacOSX())
				System.setProperty("apple.awt.fileDialogForDirectories", "false");
			Macro.abort();
		} else
			dir = fd.getDirectory();
	}

	void decodePath(String path) {
		int i = path.lastIndexOf('/');