feat: add timetable block

TODO: change block color

android/app/src/main/java/org/sparcs/otlplus/NextLectureWidget.kt

@@ -4,7 +4,7 @@ import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetProvider
 import android.content.Context
 import android.widget.RemoteViews
-import org.sparcs.otlplus.api.Data
+import org.sparcs.otlplus.api.NextLectureData
 
 /**
  * Implementation of App Widget functionality.
@@ -38,10 +38,10 @@ internal fun updateNextLectureWidget(
 ) {
     // Construct the RemoteViews object
     RemoteViews(context.packageName, R.layout.next_lecture_widget).let {
-        it.setTextViewText(R.id.nextLectureDate, Data.nextLectureDate)
-        it.setTextViewText(R.id.nextLectureName, Data.nextLectureName)
-        it.setTextViewText(R.id.nextLecturePlace, Data.nextLecturePlace)
-        it.setTextViewText(R.id.nextLectureProfessor, Data.nextLectureProfessor)
+        it.setTextViewText(R.id.nextLectureDate, NextLectureData.nextLectureDate)
+        it.setTextViewText(R.id.nextLectureName, NextLectureData.nextLectureName)
+        it.setTextViewText(R.id.nextLecturePlace, NextLectureData.nextLecturePlace)
+        it.setTextViewText(R.id.nextLectureProfessor, NextLectureData.nextLectureProfessor)
         // Instruct the widget manager to update the widget
         appWidgetManager.updateAppWidget(appWidgetId, it)
     }

android/app/src/main/java/org/sparcs/otlplus/TimetableWidget.kt

@@ -1,9 +1,28 @@
 package org.sparcs.otlplus
 
+import android.annotation.SuppressLint
 import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetProvider
 import android.content.Context
+import android.util.TypedValue
 import android.widget.RemoteViews
+import org.sparcs.otlplus.api.Lecture
+import org.sparcs.otlplus.api.LocalTime
+import org.sparcs.otlplus.api.TimetableData
+import org.sparcs.otlplus.api.WeekDays
+
+val timeTableColumns = listOf(
+    R.id.time_table_column_1,
+    R.id.time_table_column_2,
+    R.id.time_table_column_3,
+    R.id.time_table_column_4,
+    R.id.time_table_column_5,
+)
+
+data class TimeTableElement(
+    val length: Float,
+    val lecture: Lecture?
+)
 
 /**
  * Implementation of App Widget functionality.
@@ -29,16 +48,64 @@ class TimetableWidget : AppWidgetProvider() {
     }
 }
 
+@SuppressLint("NewApi")
 internal fun updateTimetableWidget(
     context: Context,
     appWidgetManager: AppWidgetManager,
     appWidgetId: Int
 ) {
-    val widgetText = context.getString(R.string.appwidget_text)
-    // Construct the RemoteViews object
     val views = RemoteViews(context.packageName, R.layout.timetable_widget)
-    views.setTextViewText(R.id.appwidget_text, widgetText)
+
+    for (timetableColumn in timeTableColumns) {
+        views.removeAllViews(timetableColumn)
+    }
+
+    val weekTimetable = createTimeTable(TimetableData.lectures)
+
+    for ((weekday, dayTimetable) in weekTimetable.withIndex()) {
+        for (timeTableElement in dayTimetable) {
+            val blockView = when(timeTableElement.lecture) {
+                null -> RemoteViews(context.packageName, R.layout.blank_view)
+                else -> RemoteViews(context.packageName, R.layout.timetable_block).apply {
+                    setTextViewText(R.id.timetable_block_lecture_name, timeTableElement.lecture.name)
+                }
+            }
+
+            blockView.setViewLayoutHeight(
+                R.id.timetable_block_root,
+                timeTableElement.length * 36,
+                TypedValue.COMPLEX_UNIT_DIP)
+
+            views.addView(timeTableColumns[weekday], blockView)
+        }
+    }
 
     // Instruct the widget manager to update the widget
     appWidgetManager.updateAppWidget(appWidgetId, views)
-}
+}
+
+fun createTimeTable(lectures: List<Lecture>): List<List<TimeTableElement>> {
+    val timetable = List(5) { mutableListOf<TimeTableElement>() }
+
+    for (dayIndex in WeekDays.entries.toTypedArray().indices) {
+        val day = WeekDays.entries[dayIndex]
+
+        val dailyLectures = lectures.flatMap { lecture ->
+            lecture.timeBlocks.filter { it.weekday == day }.map { it to lecture }
+        }.sortedBy { it.first.start.hoursFloat }
+
+        var currentTime = LocalTime(9, 0)
+
+        for ((timeBlock, lecture) in dailyLectures) {
+            if (timeBlock.start.hoursFloat > currentTime.hoursFloat) {
+                val freeTimeLength = timeBlock.start.hoursFloat - currentTime.hoursFloat
+                timetable[dayIndex].add(TimeTableElement(freeTimeLength, null))
+            }
+            val lectureLength = timeBlock.end.hoursFloat - timeBlock.start.hoursFloat
+            timetable[dayIndex].add(TimeTableElement(lectureLength, lecture))
+            currentTime = timeBlock.end
+        }
+    }
+
+    return timetable
+}

android/app/src/main/java/org/sparcs/otlplus/api/Lecture.kt

@@ -0,0 +1,30 @@
+package org.sparcs.otlplus.api
+
+enum class WeekDays {
+    Mon,
+    Tue,
+    Wed,
+    Thu,
+    Fri,
+}
+
+data class LocalTime(
+    val hours: Int,
+    val minutes: Int,
+) {
+    val hoursFloat: Float
+        get() = hours + minutes / 60f
+}
+
+data class TimeBlock(
+    val weekday: WeekDays,
+    val start: LocalTime,
+    val end: LocalTime
+)
+
+data class Lecture(
+    val name: String,
+    val timeBlocks: List<TimeBlock>,
+    val place: String,
+    val professor: String
+)

android/app/src/main/java/org/sparcs/otlplus/api/Data.kt → android/app/src/main/java/org/sparcs/otlplus/api/NextLectureData.kt

@@ -1,6 +1,6 @@
 package org.sparcs.otlplus.api
 
-object Data { // TODO: Get data using api
+object NextLectureData { // TODO: Get data using api
     val nextLectureDate
         get() = "다음주 월요일"
 

android/app/src/main/java/org/sparcs/otlplus/api/TimelineData.kt

@@ -0,0 +1,4 @@
+package org.sparcs.otlplus.api
+
+object TimelineData {
+}

android/app/src/main/java/org/sparcs/otlplus/api/TimetableData.kt

@@ -0,0 +1,41 @@
+package org.sparcs.otlplus.api
+
+object TimetableData {
+    val lectures: List<Lecture>
+        get() = listOf(
+            Lecture(
+                name = "프로그래밍 기초",
+                place = "(E11)창의학습관 308",
+                professor = "김교수",
+                timeBlocks = listOf(
+                    TimeBlock(
+                        weekday = WeekDays.Mon,
+                        start = LocalTime(9, 0),
+                        end = LocalTime(12, 0),
+                    ),
+                    TimeBlock(
+                        weekday = WeekDays.Wed,
+                        start = LocalTime(10, 30),
+                        end = LocalTime(12, 0),
+                    ),
+                )
+            ),
+            Lecture(
+                name = "지속가능 사회 인프라 시스템과 환경의 이해",
+                place = "(E11) 창의학습관 208",
+                professor = "김교수",
+                timeBlocks = listOf(
+                    TimeBlock(
+                        weekday = WeekDays.Mon,
+                        start = LocalTime(16, 0),
+                        end = LocalTime(17, 30),
+                    ),
+                    TimeBlock(
+                        weekday = WeekDays.Wed,
+                        start = LocalTime(16, 0),
+                        end = LocalTime(17, 30),
+                    ),
+                )
+            )
+        )
+}

android/app/src/main/res/drawable/timetable_block_rounded_corner.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#E6CBEC"/> <!-- Background color -->
+    <corners android:radius="1.66dp"/> <!-- Corner radius -->
+</shape>

android/app/src/main/res/layout/blank_view.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/timetable_block_root">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</RelativeLayout>

android/app/src/main/res/layout/timetable_block.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="1dp"
+    android:id="@+id/timetable_block_root">
+
+    <TextView
+        android:id="@+id/timetable_block_lecture_name"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:textSize="11sp"
+        android:ellipsize="end"
+        android:textColor="@color/gray0"
+        android:padding="4dp"
+        android:background="@drawable/timetable_block_rounded_corner"/>
+
+</RelativeLayout>