CodeGenerator.java

package edu.stanford.hci.r3.tools.develop;

import java.util.List;

import edu.stanford.hci.r3.paper.Region;
import edu.stanford.hci.r3.paper.Sheet;
import edu.stanford.hci.r3.paper.sheets.PDFSheet;

public class CodeGenerator {

        private int indent = 0;

        private StringBuilder stringBuilder;

        public CodeGenerator() {
        }

        private void addLine(String line) {
                for (int i = 0; i < indent; i++) {
                        stringBuilder.append("\t"); // indent!
                }
                stringBuilder.append(line + "\n");
        }

        private void decreaseIndent() {
                if (indent == 0) {
                        return;
                }
                indent--;
        }

        public void generateInitializePaperUI(Sheet sheet) {
                stringBuilder = new StringBuilder();
                List<Region> regions = sheet.getRegions();
                addLine("private void initializePaperUI() {");
                increaseIndent();
                for (Region r : regions) {
                        String regionName = r.getName(); // remove underscores
                        String regionNameNoUnderscores = regionName.replace("_", "");
                        final String regionIdentifier = "region" + regionNameNoUnderscores;
                        addLine("Region " + regionIdentifier + " = sheet.getRegion(\"" + regionName + "\");");
                        addLine("setup" + regionNameNoUnderscores + "(" + regionIdentifier + ");");
                        addLine("");
                }
                decreaseIndent();
                addLine("}");
                System.out.println("Code for Generating a Paper UI");
                System.out.println("------------------------------");
                System.out.print(stringBuilder);
                System.out.println("------------------------------");
        }

        public void generateSetupRegionMethods(PDFSheet sheet) {
                stringBuilder = new StringBuilder();
                List<Region> regions = sheet.getRegions();
                for (Region r : regions) {
                        String regionName = r.getName().replace("_", ""); // remove underscores
                        addLine("private void setup" + regionName + "(Region region) {");
                        increaseIndent();
                        addLine("region.addEventHandler(new ClickAdapter() {");
                        increaseIndent();
                        addLine("@Override");
                        addLine("public void clicked(PenEvent e) {");
                        increaseIndent();
                        addLine("DebugUtils.println(\"You clicked on " + regionName + ".\");");
                        decreaseIndent();
                        addLine("}");
                        decreaseIndent();
                        addLine("});");
                        decreaseIndent();
                        addLine("}");
                }

                System.out.println("Code for Setting up Regions with Event Handlers");
                System.out.println("------------------------------");
                System.out.print(stringBuilder);
                System.out.println("------------------------------");
        }

        private void increaseIndent() {
                indent++;
        }
}

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