void setProgram(Program program) {

		operandModel.setInstruction(null, null);

		if (this.program != null) {
			this.program.removeListener(this);
		}

		this.program = program;

		if (this.program != null) {
			this.program.addListener(this);
		}
		setSubTitle(program == null ? "" : "(" + program.getDomainFile().getName() + ")");
	}
Define the Main panel.

@return JPanel the completed <CODE>Main Panel</CODE>
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/processors/InstructionInfoProvider.java