Add script to change PLC screens

opi/Scripts/PlcOpi.js

+importPackage(Packages.org.csstudio.opibuilder.scriptUtil);
+
+var pv0 = PVUtil.getString(pvs[0]);
+
+if (pv0 == "home") {
+	widget.setPropertyValue("opi_file", "");
+	widget.setPropertyValue("opi_file", "/CSS/emu-plc-test/1-Home.opi");
+} else if (pv0 == "fm123") {
+	widget.setPropertyValue("opi_file", "");
+	widget.setPropertyValue("opi_file", "/CSS/emu-plc-test/2-FM1,2,3.opi");
+} else if (pv0 == "fm45") {
+	widget.setPropertyValue("opi_file", "");
+	widget.setPropertyValue("opi_file", "/CSS/emu-plc-test/3-FM4,5.opi");
+} else if (pv0 == "InOut") {
+	widget.setPropertyValue("opi_file", "");
+	widget.setPropertyValue("opi_file", "/CSS/emu-plc-test/4-Inout_value.opi");
+} else {
+	pv0 = "home";
+}
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