throwing in the towel

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseActivity.kt

@@ -27,6 +27,7 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
     override fun onCreate(savedInstanceState: Bundle?) {
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this)
         mDarkTheme = mSharedPrefs!!.getBoolean(SettingsFragment.PREFERENCE_THEME, false)
+
         if (mDarkTheme) {
             setTheme(R.style.DarkTheme)
         }
@@ -34,8 +35,6 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_course)
 
-        // mDialog = CourseDialogFragment()
-
         mCourseListRecyclerView = findViewById(R.id.courseRecyclerView)
         mCourseDb = CourseDatabase.getInstance(applicationContext)
         mCourseListRecyclerView = findViewById(R.id.courseRecyclerView)
@@ -63,31 +62,28 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
                 //Snackbar.make(findViewById(android.R.id.content), "*proceeds to make raspberry noises*", 5000).show()
                 true
             }
-            R.id.edit -> {
-                // up comes a dialog box editing the desired list item
-                mDialog = CourseDialogFragment()
-                mDialog.getContext(CourseContext.EDIT, mCourseDb)
-                mDialog.show(supportFragmentManager, "")
-                true
-            }
-            R.id.delete -> {
-                // takes out item.itemId aka deletes record
-                true
-            }
             else -> super.onOptionsItemSelected(item)
         }
     }
 
-    override fun onCourseEntered(course: String) {
+    override fun onCourseEntered(course: Course) {
         // Returns subject entered in the SubjectDialogFragment dialog
-        if (course!!.isNotEmpty()) {
+        if (course != null) {
-            val c = Course(course)
+            if (course.id == 0) {
-            if (mCourseDb.addCourse(c)) {
+                if (mCourseDb.addCourse(course)) {
-                mCourseAdapter?.addCourse(c)
+                    mCourseAdapter?.addCourse(course)
-                Toast.makeText(this@CourseActivity, course, Toast.LENGTH_LONG).show()
+                    //Snackbar.make(this@CourseActivity, "$course entered!", 5000).show()
+                } else {
+                    val message = resources.getString("Already exists!".toInt(), course)
+                    Toast.makeText(this@CourseActivity, message, Toast.LENGTH_SHORT).show()
+                }
             } else {
-                val message = resources.getString("Already exists!".toInt(), course)
+                if (course.id != 0) {
-                Toast.makeText(this@CourseActivity, message, Toast.LENGTH_SHORT).show()
+                    mCourseDb.updateCourse(course)
+                    mCourseAdapter?.updateCourse(course)
+                } else {
+                    // ??
+                }
             }
         }
     }
@@ -112,13 +108,13 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
         fun bind(course: Course) {
             mCourse = course
             mTextView.text = course.name
-            mTextView.setBackgroundColor(Color.RED)
+            mTextView.setBackgroundColor(Color.MAGENTA)
         }
 
         override fun onClick(view: View) {
-            // Start QuestionActivity, indicating what subject was clicked
             mDialog = CourseDialogFragment()
             mDialog.getContext(CourseContext.VIEW, mCourseDb)
+            mDialog.getCourseId(mCourse!!.id)
             mDialog.show(supportFragmentManager, "")
         }
 
@@ -152,7 +148,7 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
 
             override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
                 // Process action item selection
-                return when (item.getItemId()) {
+                return when (item.itemId) {
                     R.id.delete -> {
                         // Delete from the database and remove from the RecyclerView
                         mCourseDb.deleteCourse(mSelectedCourse)
@@ -162,12 +158,21 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
                         mode.finish()
                         true
                     }
+                    R.id.edit -> {
+                        // up comes a dialog box editing the desired list item
+                        mCourseAdapter?.takeCourseIndex()
+                        mDialog = CourseDialogFragment()
+                        mDialog.getContext(CourseContext.EDIT, mCourseDb)
+                        mDialog.getCourseId(mSelectedCourse.id)
+                        mDialog.show(supportFragmentManager, "")
+                        true
+                    }
                     else -> false
                 }
             }
 
             override fun onDestroyActionMode(mode: ActionMode) {
-                //mActionMode = null
+                mActionMode = null
 
                 // CAB closing, need to deselect item if not deleted
                 mCourseAdapter?.notifyItemChanged(mSelectedCoursePosition)
@@ -183,6 +188,8 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
     }
 
     private inner class CourseAdapter(private val mCourseList: MutableList<Course>) : RecyclerView.Adapter<CourseHolder>() {
+        private var mOldCourseIndex = 0
+
         override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CourseHolder {
             val layoutInflater = LayoutInflater.from(applicationContext)
             return CourseHolder(layoutInflater, parent)
@@ -196,6 +203,11 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
             return mCourseList.size
         }
 
+        fun takeCourseIndex() {
+            val index = mSelectedCoursePosition
+            mOldCourseIndex = index
+        }
+
         fun removeCourse(course: Course?) {
             // Find subject in the list
             val index = mCourseList.indexOf(course)
@@ -218,5 +230,12 @@ class CourseActivity : AppCompatActivity(), CourseDialogFragment.onCourseEntered
             // Scroll to the top
             mCourseListRecyclerView?.scrollToPosition(0)
         }
+
+        fun updateCourse(course: Course?) {
+            mCourseList.removeAt(mOldCourseIndex)
+            mCourseList.add(0, course!!)
+            notifyItemChanged(0)
+            mCourseListRecyclerView?.scrollToPosition(0)
+        }
     }
 }

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseDatabase.kt

@@ -58,15 +58,16 @@ class CourseDatabase(context: Context?) : SQLiteOpenHelper(context, DATABASE_NAM
         return courses
     }
 
-    fun getCourse(courseId: Long): Course {
+    fun getCourse(courseid: Int): Course {
-        val course = Course()
+        var course = Course()
         val db = this.readableDatabase
-        val sql
+        val sql =
-                = "select * from " + CourseTable.TABLE +
+            "select * from " + CourseTable.TABLE +
-                "where " + CourseTable.COL_ID + " = ?"
+                    " where " + CourseTable.COL_ID + " = ?"
-        val cursor = db.rawQuery(sql, arrayOf(courseId.toString()))
+        val cursor = db.rawQuery(sql, arrayOf(java.lang.Float.toString(courseid.toFloat())))
 
         if (cursor.moveToFirst()) {
+            course.id = cursor.getInt(0)
             course.name = cursor.getString(1)
             course.description = cursor.getString(2)
             course.location = cursor.getString(3)
@@ -89,14 +90,20 @@ class CourseDatabase(context: Context?) : SQLiteOpenHelper(context, DATABASE_NAM
         values.put(CourseTable.COL_TIME, course.time)
         values.put(CourseTable.COL_INSTRUCTOR, course.instructor)
         val id = db.insert(CourseTable.TABLE, null, values)
+        course.id = id.toInt()
         return id != -1L
     }
 
     fun updateCourse(course: Course) {
         val db = writableDatabase
         val values = ContentValues()
-
+        values.put(CourseTable.COL_NAME, course.name)
-        db.update(CourseTable.TABLE, values, CourseTable.COL_NAME + " = ?", arrayOf(course.name))
+        values.put(CourseTable.COL_DESCRIPTION, course.description)
+        values.put(CourseTable.COL_LOCATION, course.location)
+        values.put(CourseTable.COL_DAYOFWEEK, course.dayofweek)
+        values.put(CourseTable.COL_TIME, course.time)
+        values.put(CourseTable.COL_INSTRUCTOR, course.instructor)
+        db.update(CourseTable.TABLE, values, CourseTable.COL_ID + " = " + course.id, null)
     }
 
     fun deleteCourse(course: Course) {

app/src/main/java/com/wyattjmiller/classscheduleapp/CourseDialogFragment.kt

@@ -3,6 +3,8 @@ package com.wyattjmiller.classscheduleapp
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
+import android.text.Editable
+import android.view.View
 import android.widget.Button
 import android.widget.EditText
 import android.widget.TextView
@@ -20,10 +22,19 @@ class CourseDialogFragment : DialogFragment() {
     private lateinit var mEditTextCourseDescription: EditText
     private lateinit var mContext: CourseContext
     private lateinit var mCourseDb: CourseDatabase
+
+    private lateinit var mCourseNameView: TextView
+    private lateinit var mCourseLocationView: TextView
+    private lateinit var mCourseTimeView: TextView
+    private lateinit var mCourseDateView: TextView
+    private lateinit var mCourseInstructor: TextView
+    private lateinit var mCourseDescriptionView: TextView
+
+
     private var mCourse: Course = Course()
 
     interface onCourseEnteredListener {
-        fun onCourseEntered(course: String)
+        fun onCourseEntered(course: Course)
     }
 
     private lateinit var mDoneButton: Button
@@ -42,15 +53,59 @@ class CourseDialogFragment : DialogFragment() {
         mEditTextCourseTime = dialogView.findViewById(R.id.editTextCourseTime)
         mEditTextCourseDescription = dialogView.findViewById(R.id.editTextCourseDescription)
 
+        mCourseNameView = dialogView.findViewById(R.id.textviewCourseName2)
+        mCourseLocationView = dialogView.findViewById(R.id.textViewCourseLocation2)
+        mCourseDateView = dialogView.findViewById(R.id.textViewCourseDayOfWeek2)
+        mCourseTimeView = dialogView.findViewById(R.id.textViewCourseTime2)
+        mCourseInstructor = dialogView.findViewById(R.id.textViewCourseInstructor2)
+        mCourseDescriptionView = dialogView.findViewById(R.id.textViewCourseDescription2)
+
+        mCourseNameView.visibility = View.GONE
+        mCourseLocationView.visibility = View.GONE
+        mCourseDateView.visibility = View.GONE
+        mCourseTimeView.visibility = View.GONE
+        mCourseInstructor.visibility = View.GONE
+        mCourseDescriptionView.visibility = View.GONE
+
         when (mContext) {
             CourseContext.ADD -> {
-                // TODO: set title to add course and when pressing done, add to database
+                mTextViewTitle.text = "Add Course"
             }
             CourseContext.EDIT -> {
-                // TODO: set title to edit course and when pressing done, modify record to database
+                var course = mCourseDb.getCourse(mCourse.id)
+
+                mTextViewTitle.text = "Edit Course"
+                mEditTextCourseName.setText(course.name)
+                mEditTextCourseLocation.setText(course.location)
+                mEditTextCourseInstructor.setText(course.instructor)
+                mEditTextDayOfWeek.setText(course.dayofweek)
+                mEditTextCourseTime.setText(course.time)
+                mEditTextCourseDescription.setText(course.description)
             }
             CourseContext.VIEW -> {
-                // TODO: set title to view course, make everything text, and when pressing done, close dialog
+                val course = mCourseDb.getCourse(mCourse.id)
+
+                mEditTextCourseName.visibility = View.INVISIBLE
+                mEditTextCourseLocation.visibility = View.INVISIBLE
+                mEditTextCourseInstructor.visibility = View.INVISIBLE
+                mEditTextDayOfWeek.visibility = View.INVISIBLE
+                mEditTextCourseTime.visibility = View.INVISIBLE
+                mEditTextCourseDescription.visibility = View.INVISIBLE
+
+                mCourseNameView.visibility = View.VISIBLE
+                mCourseLocationView.visibility = View.VISIBLE
+                mCourseDateView.visibility = View.VISIBLE
+                mCourseTimeView.visibility = View.VISIBLE
+                mCourseInstructor.visibility = View.VISIBLE
+                mCourseDescriptionView.visibility = View.VISIBLE
+
+                mTextViewTitle.text = "View Course"
+                mCourseNameView.text = course.name
+                mCourseLocationView.text = course.location
+                mCourseDateView.text = course.dayofweek
+                mCourseTimeView.text = course.time
+                mCourseInstructor.text = course.instructor
+                mCourseDescriptionView.text = course.description
             }
         }
 
@@ -68,8 +123,7 @@ class CourseDialogFragment : DialogFragment() {
 
                     val valid = this.validityCheck()
                     if (valid) {
-                        val course = mCourse.name
+                        mListener?.onCourseEntered(mCourse)
-                        mListener?.onCourseEntered(course!!.trim())
                         dismiss()
                     }
                 }
@@ -83,8 +137,7 @@ class CourseDialogFragment : DialogFragment() {
 
                     val valid = this.validityCheck()
                     if (valid) {
-                        val course = mCourse.name
+                        mListener?.onCourseEntered(mCourse)
-                        mListener?.onCourseEntered(course!!.trim())
                         dismiss()
                     }
                 }
@@ -102,6 +155,10 @@ class CourseDialogFragment : DialogFragment() {
         mCourseDb = database
     }
 
+    fun getCourseId(courseId: Int) {
+        mCourse.id = courseId
+    }
+
     override fun onAttach(context: Context) {
         super.onAttach(context)
         mListener = context as onCourseEnteredListener
@@ -118,7 +175,7 @@ class CourseDialogFragment : DialogFragment() {
     }
 
     companion object {
-        const val EXTRA_COURSE_ID = "com.wyattjmiller.classscheduleapp.course_id"
+        const val EXTRA_COURSE = "com.wyattjmiller.classscheduleapp.course"
     }
 
 }

app/src/main/res/layout/dialog_course.xml

@@ -31,6 +31,18 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/textViewTitle" />
 
+    <TextView
+        android:id="@+id/textviewCourseName2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="44dp"
+        android:layout_marginEnd="60dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:visibility="invisible"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewTitle" />
+
     <TextView
         android:id="@+id/textViewTitle"
         android:layout_width="wrap_content"
@@ -64,6 +76,18 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/editTextCourseName" />
 
+    <TextView
+        android:id="@+id/textViewCourseLocation2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="60dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:visibility="invisible"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseName" />
+
     <EditText
         android:id="@+id/editTextCourseDayOfWeek"
         android:layout_width="wrap_content"
@@ -72,6 +96,19 @@
         android:layout_marginEnd="16dp"
         android:ems="10"
         android:inputType="textPersonName"
+        android:visibility="visible"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseLocation" />
+
+    <TextView
+        android:id="@+id/textViewCourseDayOfWeek2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="60dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:visibility="invisible"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/editTextCourseLocation" />
 
@@ -108,6 +145,18 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/editTextCourseDayOfWeek" />
 
+    <TextView
+        android:id="@+id/textViewCourseTime2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="60dp"
+        android:ems="10"
+        android:inputType="time"
+        android:visibility="invisible"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseDayOfWeek" />
+
     <TextView
         android:id="@+id/textViewCourseInstructor"
         android:layout_width="wrap_content"
@@ -130,6 +179,18 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/editTextCourseTime" />
 
+    <TextView
+        android:id="@+id/textViewCourseInstructor2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="60dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:visibility="invisible"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextCourseTime" />
+
     <Button
         android:id="@+id/buttonFinish"
         android:layout_width="246dp"
@@ -158,6 +219,23 @@
         app:layout_constraintTop_toBottomOf="@+id/textViewCourseDescription"
         app:layout_constraintVertical_bias="0.087" />
 
+    <TextView
+        android:id="@+id/textViewCourseDescription2"
+        android:layout_width="327dp"
+        android:layout_height="135dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:ems="10"
+        android:gravity="start|top"
+        android:inputType="textMultiLine"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toTopOf="@+id/buttonFinish"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.461"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textViewCourseDescription"
+        app:layout_constraintVertical_bias="0.087" />
+
     <TextView
         android:id="@+id/textViewCourseDescription"
         android:layout_width="wrap_content"