io.starter.reactjs.ignite.Generator.java Source code

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Here is the source code for io.starter.reactjs.ignite.Generator.java

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/**
 * this file licensed under Apache-style FOSS license
 * 
 * Copyright 2016, Starter Inc.
 */
package io.starter.reactjs.ignite;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.json.JSONObject;

import com.extentech.ExtenXLS.CellRange;
import com.extentech.ExtenXLS.NameHandle;
import com.extentech.ExtenXLS.WorkBookHandle;
import com.extentech.ExtenXLS.WorkSheetHandle;
import com.extentech.toolkit.StringTool;

/**
 * Generate React Ignite
 * 
 * @author john
 */
public class Generator {

    public static String indent = "    ";

    public static String componentInitCodeNative = "export default function () {\n" + indent + "return (\n" + indent
            + indent + "${content}" + indent + ");" + "\n}";

    public static String styleInitCodeNative = "var styles = StyleSheet.create({\n" + indent + "${styles}" + "});";

    public static String componentInitCodeWeb = "/** @jsx React.DOM */ React.renderComponent(" + indent + indent
            + "${component.content}" + ");";

    private static Map<String, String> styleMap = new HashMap<String, String>();
    private static Map<String, String> componentMapNative = new HashMap<String, String>();
    private static Map<String, String> componentMapWeb = new HashMap<String, String>();

    // the app-specfic mappings
    private static Map<String, String> appComponentMap = new HashMap<String, String>();

    public static void main(String[] args) throws Exception {

        String appWorkBookPath = System.getProperty("user.dir") + "/src/main/resources/templates/IgniteReact.xlsx";
        WorkBookHandle appWorkBook = new WorkBookHandle(appWorkBookPath);
        Generator.initFromSpreadsheet(appWorkBook);
    }

    /**
     * read the generation config from a Spreadsheet
     * 
     * @param book
     * @throws Exception
     */
    public static void initFromSpreadsheet(WorkBookHandle book) throws Exception {

        // iterate the sheets
        WorkSheetHandle[] sheets = book.getWorkSheets();

        for (WorkSheetHandle sheet : sheets) {

            // each sheet corresponds to a screen in the app
            NameHandle components = sheet.getNamedRangeInScope("components");
            CellRange[] componentdef = components.getCellRanges();

            // each screen has components defined top-to-bottom
            for (CellRange component : componentdef) {
                System.out.print(component);

                appComponentMap.put("name", "view");
            }

            // each sheet corresponds to a style in the app
            NameHandle styles = sheet.getNamedRangeInScope("styles");
            CellRange[] styledef = styles.getCellRanges();

            // each screen has components defined top-to-bottom
            for (CellRange style : styledef) {
                System.out.print(style);

                styleMap.put("color", "'#222222'");
                styleMap.put("backgroundColor", "'#FF9900'");

            }

            // execute logic from formulas to determine what is shown

            //

        }

    }

    public JSONObject getJSON() {
        JSONObject dtx = new JSONObject();

        dtx.put("name", "Object 2");
        dtx.put("description", "Test Object Number Two");

        // set a url
        String urx = "/table_view.jsp?tablename=User&query=id:";
        dtx.put("url", urx);
        return dtx;
    }

    /**
     * generate jsx from a JSON object
     */
    public void generateReactJSXFromJSON() {

        // TODO: init map from spreadsheet
        initMaps();

        JSONObject dtx = getJSON();
        String jsx = getJSXFromJSON(dtx);
        System.err.println(jsx);
    }

    /**
     * generate jsx from a JSON object
     */
    public void generateReactNativeJSXFromJSON() {
        // TODO: init map from spreadsheet
        initMaps();
        JSONObject dtx = getJSON();
        String jsx = getJSXFromJSON(dtx);
        System.err.println(jsx);
    }

    /**
     * TODO: init from spreadsheet
     */
    public static void initMaps() {
        styleMap.put("color", "'#222222'");
        styleMap.put("backgroundColor", "'#FF9900'");

        componentMapNative.put("view", "<View style=${styles.component}>${content.component}</View>");

        componentMapWeb.put("view", "<Div style='${styles.component}'>${content.component}</Div>");

        appComponentMap.put("name", "view");
        appComponentMap.put("description", "view");
        appComponentMap.put("url", "view");
    }

    public static String getJSXFromJSON(JSONObject job) {
        StringBuffer sb = new StringBuffer();

        sb.append("// component jsx");

        sb.append(indent);
        sb.append("\n");

        String componentName = formatString(job.get("name").toString());
        Iterator<String> names = job.keys();
        while (names.hasNext()) {
            // lookup the component mapping
            String name = names.next();
            String compName = appComponentMap.get(name);
            String componentJSX = componentMapNative.get(compName);
            if (componentJSX != null) {
                sb.append(indent);
                sb.append(indent);
                // look up the component and style for the object
                componentJSX = StringTool.replaceText(componentJSX, "${styles.component}",
                        "{styles." + componentName + "}");

                sb.append(componentJSX);
                sb.append("\n");
            }
        }

        // create the components
        String componentString = sb.toString();

        // replace ${content}
        String componentCode = StringTool.replaceText(componentInitCodeNative, "${content}", componentString);

        sb = new StringBuffer();

        sb.append("// component styles");
        sb.append("\n");
        // create the styles

        sb.append(indent);
        sb.append(componentName + ": {");
        sb.append("\n");
        names = job.keys();
        while (names.hasNext()) {
            String name = names.next();

            String styleName = styleMap.get(name);
            if (styleName != null) {
                sb.append(indent);
                sb.append(indent);
                sb.append(name);
                sb.append(":");
                sb.append(styleName);
                sb.append(",");
                sb.append("\n");
            }
        }
        sb.append(indent);
        sb.append("},"); // end component styles
        sb.append("\n");

        String styleString = sb.toString();

        // replace ${styles}
        String styleCode = StringTool.replaceText(styleInitCodeNative, "${styles}", styleString);

        sb = new StringBuffer(componentCode);
        sb.append("\n");
        sb.append(styleCode);
        sb.append("\n");
        return sb.toString();
    }

    public static String formatString(String input) {
        input = input.toLowerCase();
        input = StringTool.replaceChars(" ", input, "_");
        return input;
    }
}