Move TeX header outside of user input, get and use that resource

Add output directory creation to pre-processing stage
Idiomatic PrintWriter section

src/main/kotlin/org/idiosapps/BuilderPipeline.kt

@@ -17,22 +17,18 @@ class BuilderPipeline : Task<Parent>() {
 
         var languageUsed = "mandarin"
 
-        OSUtils.tryMakeOutputDir() // Java will only make a new file if the parent folder exists (on Windows anyway)
-        val outputStoryTeXWriter = PrintWriter(Filenames.outputTexFilename, "UTF-8")
-
         val vocab = VocabUtils.splitIntoParts(Filenames.inputVocabFilename)
         val names = VocabUtils.splitIntoParts(Filenames.inputKeyNamesFilename)
 
+        PrintWriter(Filenames.outputTexFilename, "UTF-8").use { texWriter ->
+            TexUtils.copyToTex(texWriter, Filenames.inputHeaderResource)
+            TexUtils.copyToTex(texWriter, Filenames.inputTitleFilename)
+            TexUtils.copyToTex(texWriter, Filenames.inputStoryFilename)
 
-        TexUtils.copyToTex(outputStoryTeXWriter, Filenames.inputHeaderFilename)
-        TexUtils.copyToTex(outputStoryTeXWriter, Filenames.inputTitleFilename)
-        TexUtils.copyToTex(outputStoryTeXWriter, Filenames.inputStoryFilename)
-
-        SummaryPageWriter.writeVocabSection(outputStoryTeXWriter, vocab)
-        // todo WriteSummaryPage.writeTexGrammar
+            SummaryPageWriter.writeVocabSection(texWriter, vocab) // TODO add summary / grammar pages too
 
-        outputStoryTeXWriter.append("\\end{document}")
-        outputStoryTeXWriter.close()
+            texWriter.append("\\end{document}")
+        }
 
         PDFUtils.xelatexToPDF()
 

src/main/kotlin/org/idiosapps/FXMLController.kt

@@ -35,6 +35,7 @@ class FXMLController {
         try { // first check dependencies & inputs - have a good idea of what to expect
             OSUtils.hasProgram(PDFTEX)
             OSUtils.hasProgram(XETEX)
+            OSUtils.tryMakeOutputDir() // Java will only make a new file if the parent folder exists (on Windows anyway)
 
             Filenames.checkInputs() // just check files exist
             clearInputStateLabels()
@@ -51,6 +52,7 @@ class FXMLController {
         }
     }
 
+    // Start another thread with the real processing, so the UI doesn't freeze
     private fun startBookBuildPipeline() {
         val task: Task<Parent> = BuilderPipeline()
         progressBar.progressProperty().bind(task.progressProperty())

src/main/kotlin/org/idiosapps/Filenames.kt

@@ -1,13 +1,14 @@
 package org.idiosapps
 
 import java.io.File
+import java.net.URL
 
 class Filenames {
     companion object {
         val inputPrefix: String = "./input/"
         val outputPrefix: String = "./output/"
 
-        val inputHeaderFilename: String = inputPrefix + "header"
+        val inputHeaderResource: URL = this::class.java.classLoader.getResource("org.idiosapps/texHeader")
         val inputTitleFilename: String = inputPrefix + "title"
         val inputStoryFilename: String = inputPrefix + "story"
 
@@ -19,7 +20,6 @@ class Filenames {
 
         fun checkInputs() {
             val inputArray = arrayListOf(
-                inputHeaderFilename,
                 inputTitleFilename,
                 inputStoryFilename,
                 inputVocabFilename,

src/main/kotlin/org/idiosapps/TexUtils.kt

@@ -2,6 +2,7 @@ package org.idiosapps
 
 import java.io.File
 import java.io.PrintWriter
+import java.net.URL
 import java.util.*
 
 class TexUtils {
@@ -47,5 +48,15 @@ class TexUtils {
             }
             scanner.close()
         }
+
+        fun copyToTex(outputStoryWriter: PrintWriter, inputResource: URL) {
+            val resourceFile = File(inputResource.toURI())
+
+            Scanner(resourceFile, "UTF-8").use { scanner ->
+                while (scanner.hasNextLine()) {
+                    outputStoryWriter.println(scanner.nextLine())
+                }
+            }
+        }
     }
 }

input/header → src/main/resources/org.idiosapps/texHeader

@@ -5,7 +5,7 @@
 % Add the ability to write pinyin with tones
 \usepackage{xeCJK}
 \usepackage{xpinyin}
-% Add the ability to create fancy headers and footers
+% Add the ability to create fancy headers and pageFooters
 \usepackage{fancyhdr}
 % Add the ability to use Lorem Ipsum placeholder text
 \usepackage{lipsum}