private void save() {
		saveSelected = true;
		DomainFile[] files = filePanel.getSelectedDomainFiles();
		if (files.length > 0) {
			SaveTask task = new SaveTask(files);
			tool.execute(task);
		}
		else {
			close();
		}
	}
Show ChangedFilesDialog.
@return whether the save button was selected; return false if the user
canceled
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ChangedFilesDialog.java