From 35671ad119d7349c2ae2aa82a1685d1c195088ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=88=B4=E6=9C=A8=E3=80=80=E7=9A=93=E4=BB=8B?=
<26-k-suzuki-avnz@it-college.co.jp>
Date: Fri, 23 Oct 2026 16:08:49 +0900
Subject: [PATCH] =?UTF-8?q?=E8=BF=BD=E5=8A=A0=E6=A9=9F=E8=83=BD=EF=BC=88?=
=?UTF-8?q?=E8=89=B2=E4=BB=98=E3=81=91=EF=BC=86=E3=82=BD=E3=83=BC=E3=83=88?=
=?UTF-8?q?=EF=BC=89=E5=AE=9F=E8=A3=85=E5=AE=8C=E4=BA=86=E6=B8=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.classpath | 6 +
.gitignore | 1 +
.project | 23 ++++
file/tasks.csv | 7 ++
src/App.java | 60 +++++++++
src/Color.java | 70 +++++++++++
src/Main.java | 26 ++++
src/Sort.java | 143 +++++++++++++++++++++
src/Task.java | 7 ++
src/TaskItem.java | 196 +++++++++++++++++++++++++++++
src/TaskManager.java | 139 ++++++++++++++++++++
src/View.java | 32 +++++
src/testcolor.java | 17 +++
タスク管理システム実行例/tasks.csv | 1 +
14 files changed, 728 insertions(+)
create mode 100644 .classpath
create mode 100644 .gitignore
create mode 100644 .project
create mode 100644 file/tasks.csv
create mode 100644 src/App.java
create mode 100644 src/Color.java
create mode 100644 src/Main.java
create mode 100644 src/Sort.java
create mode 100644 src/Task.java
create mode 100644 src/TaskItem.java
create mode 100644 src/TaskManager.java
create mode 100644 src/View.java
create mode 100644 src/testcolor.java
diff --git a/.classpath b/.classpath
new file mode 100644
index 0000000..fb50116
--- /dev/null
+++ b/.classpath
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ae3c172
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/.project b/.project
new file mode 100644
index 0000000..02e36be
--- /dev/null
+++ b/.project
@@ -0,0 +1,23 @@
+
+
+ development-taskmanager
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+ org.eclipse.wst.common.project.facet.core.builder
+
+
+
+
+
+ org.eclipse.wst.common.project.facet.core.nature
+ org.eclipse.jdt.core.javanature
+
+
diff --git a/file/tasks.csv b/file/tasks.csv
new file mode 100644
index 0000000..0a080a9
--- /dev/null
+++ b/file/tasks.csv
@@ -0,0 +1,7 @@
+1,研修内容振り返り,False,2026-09-24,2
+2,旅行の買いだし,True,2027-08-08,3
+3,試験勉強,True,2026-09-24,2
+4,テスト勉強,False,2026-10-30,1
+5,test,True,2026-10-22,1
+6,test1week,False,2026-10-25,3
+7,sort,False,2026-10-23,2
diff --git a/src/App.java b/src/App.java
new file mode 100644
index 0000000..076d8f5
--- /dev/null
+++ b/src/App.java
@@ -0,0 +1,60 @@
+import java.util.List;
+import java.util.Scanner;
+
+public class App {
+
+ static List allData;
+
+ // csvファイルを読み込んでタスク情報を保持する
+ public static void init() {
+ View.clearConsole(); // ANSI not work on Eclipse console
+ allData = TaskManager.readCSV();
+ View.print(allData);
+ }
+ // 管理機能を選択する
+ public static String select() {
+ View.standby();
+ Scanner sc = new Scanner(System.in);
+ String mode = sc.nextLine();
+ return mode;
+ }
+ // 管理機能を実行する
+ public static void execute(String mode) throws invalidInputException,PastDateException {
+ switch (mode) {
+ case "1":
+ allData = TaskManager.register(allData); // 登録
+ break;
+ case "2":
+ allData = TaskManager.changeStatus(allData); // 更新
+ break;
+ case "3":
+ allData = TaskManager.remove(allData); // 削除
+ break;
+ case "4":
+ allData = TaskManager.sort(allData); // ソート
+ break;
+ case "5":
+ System.exit(0); // 終了
+ default :
+ throw new invalidInputException();
+ }
+ System.out.println();
+ }
+ // 不正入力時
+ public static void invalid() {
+ System.out.println("正しい番号を入力してください。Enterキーを押してください。");
+ Scanner sc = new Scanner(System.in);
+ sc.nextLine();
+ }
+ // 過去日付指定時
+ public static void past() {
+ System.out.println("過去の日付を登録できません。Enterキーを押してください。");
+ Scanner sc = new Scanner(System.in);
+ sc.nextLine();
+ }
+ // 後処理(ファイル書き込み＋コンソール画面クリア)
+ public static void fin() {
+ TaskManager.writeCSV(allData);
+ }
+
+}
diff --git a/src/Color.java b/src/Color.java
new file mode 100644
index 0000000..d2bc0f3
--- /dev/null
+++ b/src/Color.java
@@ -0,0 +1,70 @@
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+public class Color {
+
+ // ANSIエスケープ：色指定
+ final static String RED = "\033[00;31m";
+ final static String GREEN = "\033[00;32m";
+ final static String YELLOW = "\033[00;33m";
+ final static String BACK_RED = "\033[00;41m";
+ final static String GRAY = "\033[00;90m";
+ final static String DEFAULT = "\033[00m";
+
+ // デフォルトに戻す
+ public static String reset() {
+ return DEFAULT;
+ }
+ // 完了時グレーアウト
+ public static String[] setColorCompleted() {
+ String[] colorList = new String[5];
+ colorList[0] = GRAY;
+ colorList[1] = GRAY;
+ colorList[2] = GRAY;
+ colorList[3] = GRAY;
+ colorList[4] = GRAY;
+ return colorList;
+ }
+ // 優先度
+ public static String setColorPrior(int prior) {
+ String color;
+ switch (prior) {
+ case 1:
+ color = GREEN;
+ break;
+ case 2:
+ color = YELLOW;
+ break;
+ case 3:
+ color = RED;
+ break;
+ default:
+ color = YELLOW;
+ break;
+ }
+ return color;
+ }
+ // 期限
+ public static String setColorDeadline(String input) {
+ String color = "";
+ try {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ Date date = sdf.parse(input); // 指定年月日（０時０分０秒）を取得する
+ Date now = new Date();
+ Date today = sdf.parse(sdf.format(now)); // 現在年月日（０時０分０秒）を取得する
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(today);
+ calendar.add(Calendar.DAY_OF_MONTH,7);
+ Date nextweek = calendar.getTime(); // １週間後の日付（０時０分０秒）を取得する
+ if (date.compareTo(today)<0) {
+ color = BACK_RED; // 期限超過＝背景赤
+ } else if (date.compareTo(nextweek)<0) {
+ color = YELLOW; // 期限１週間以内＝黄
+ }
+ } catch (ParseException err) {}
+ return color;
+ }
+
+}
diff --git a/src/Main.java b/src/Main.java
new file mode 100644
index 0000000..7156000
--- /dev/null
+++ b/src/Main.java
@@ -0,0 +1,26 @@
+public class Main {
+
+ public static void main(String[] args) {
+ // TODO 自動生成されたメソッド・スタブ
+
+ while (true) {
+ App.init();
+ try {
+ App.execute(App.select());
+ } catch (invalidInputException err) {
+ App.invalid();
+ continue;
+ } catch (PastDateException err) {
+ App.past();
+ continue;
+ } catch (Exception err) {
+ System.out.println("不明なエラーが検出されました");
+ err.printStackTrace();
+ System.exit(-1);
+ }
+ App.fin();
+ }
+
+ }
+
+}
diff --git a/src/Sort.java b/src/Sort.java
new file mode 100644
index 0000000..70ea663
--- /dev/null
+++ b/src/Sort.java
@@ -0,0 +1,143 @@
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class Sort {
+
+ //====================TaskItem sort====================
+ // taskID
+ public static List sortID(List allData, String input) {
+ if (isReverse(input)) {
+ Collections.sort(allData,new Sort.revIDComparator()); // 降順
+ } else {
+ Collections.sort(allData,new Sort.IDComparator()); // 昇順
+ }
+ return allData;
+ }
+ // isComplete
+ public static List sortStatus(List allData, String input) {
+ if (isReverse(input)) {
+ Collections.sort(allData,new Sort.revStatusComparator()); // 降順
+ } else {
+ Collections.sort(allData,new Sort.StatusComparator()); // 昇順
+ }
+ return allData;
+ }
+ // priority
+ public static List sortPriority(List allData, String input) {
+ if (isReverse(input)) {
+ Collections.sort(allData,new Sort.revPriorityComparator()); // 降順
+ } else {
+ Collections.sort(allData,new Sort.PriorityComparator()); // 昇順
+ }
+ return allData;
+ }
+ // deadline
+ public static List sortDeadline(List allData, String input) {
+ if (isReverse(input)) {
+ Collections.sort(allData,new Sort.revDeadlineComparator()); // 降順
+ } else {
+ Collections.sort(allData,new Sort.DeadlineComparator()); // 昇順
+ }
+ return allData;
+ }
+ // taskName
+ public static List sortName(List allData, String input) {
+ if (isReverse(input)) {
+ Collections.sort(allData,new Sort.revNameComparator()); // 降順
+ } else {
+ Collections.sort(allData,new Sort.NameComparator()); // 昇順
+ }
+ return allData;
+ }
+ // ソート順指定フラグを生成する
+ public static boolean isReverse(String input) {
+ boolean isReverse = false;
+ try {
+ int order = Integer.parseInt(input);
+ switch (order) {
+ case 1:
+ break;
+ case 2:
+ isReverse = true; // 2:降順
+ break;
+ default:
+ break;
+ }
+ } catch (NumberFormatException err) {}
+ return isReverse;
+ }
+
+ //====================TaskItemフィールド比較条件定義====================
+ // ID比較（昇順）
+ public static class IDComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Integer.compare(((TaskItem)t1).getTaskID(),((TaskItem)t2).getTaskID());
+ }
+ }
+ // ID比較（降順）
+ public static class revIDComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Integer.compare(((TaskItem)t2).getTaskID(),((TaskItem)t1).getTaskID());
+ }
+ }
+ // isComplete比較（昇順）
+ public static class StatusComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Boolean.compare(((TaskItem)t1).getIsComplete(),((TaskItem)t2).getIsComplete());
+ }
+ }
+ // isComplete比較（降順）
+ public static class revStatusComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Boolean.compare(((TaskItem)t2).getIsComplete(),((TaskItem)t1).getIsComplete());
+ }
+ }
+ // priority比較（昇順）＝優先度"高"→"低"
+ public static class PriorityComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Integer.compare(((TaskItem)t2).getPriority(),((TaskItem)t1).getPriority());
+ }
+ }
+ // priority比較（降順）＝＝優先度"低"→"高"
+ public static class revPriorityComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return Integer.compare(((TaskItem)t1).getPriority(),((TaskItem)t2).getPriority());
+ }
+ }
+ // deadline比較（昇順）
+ public static class DeadlineComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return ((TaskItem)t1).getDeadline().compareTo(((TaskItem)t2).getDeadline());
+ }
+ }
+ // deadline比較（降順）
+ public static class revDeadlineComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return ((TaskItem)t2).getDeadline().compareTo(((TaskItem)t1).getDeadline());
+ }
+ }
+ // taskName比較（辞書昇順）
+ public static class NameComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return ((TaskItem)t1).getTaskName().compareTo(((TaskItem)t2).getTaskName());
+ }
+ }
+ // taskName比較（辞書降順）
+ public static class revNameComparator implements Comparator {
+ @Override
+ public int compare(Task t1,Task t2) {
+ return ((TaskItem)t2).getTaskName().compareTo(((TaskItem)t1).getTaskName());
+ }
+ }
+
+}
diff --git a/src/Task.java b/src/Task.java
new file mode 100644
index 0000000..1624624
--- /dev/null
+++ b/src/Task.java
@@ -0,0 +1,7 @@
+
+public interface Task {
+
+ String toString();
+ String toCSV();
+
+}
diff --git a/src/TaskItem.java b/src/TaskItem.java
new file mode 100644
index 0000000..c60e84e
--- /dev/null
+++ b/src/TaskItem.java
@@ -0,0 +1,196 @@
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+public class TaskItem implements Task {
+
+ private int taskID;
+ private String taskName;
+ private boolean isComplete;
+ private String deadline;
+ private int priority;
+ static int MaxTaskID = 0;
+
+ //====================getter/setter====================
+ public int getTaskID() {
+ return taskID;
+ }
+ public void setTaskID(int taskID) {
+ this.taskID = taskID;
+ }
+ public String getTaskName() {
+ return taskName;
+ }
+ public void setTaskName(String taskName) {
+ this.taskName = taskName;
+ }
+ public boolean getIsComplete() {
+ return isComplete;
+ }
+ public void setIsComplete(boolean isComplete) {
+ this.isComplete = isComplete;
+ }
+ public String getDeadline() {
+ return deadline;
+ }
+ public void setDeadline(String deadline) {
+ this.deadline = deadline;
+ }
+ public int getPriority() {
+ return priority;
+ }
+ public void setPriority(int priority) {
+ this.priority = priority;
+ }
+
+ //====================コンストラクタ====================
+ // コンストラクタ（登録時）
+ public TaskItem(String taskName, String deadline, String priority) throws PastDateException { // 文字列入力を受け取る
+ MaxTaskID++;
+ this.setTaskID(MaxTaskID); // 消去したタスクIDは使い回さない→最大ID+1のタスクとして登録する
+ this.setTaskName(taskName);
+ this.setDeadline(this.getValidDeadline(deadline));
+ this.setPriority(this.getPriorityIndex(priority));
+ }
+ // コンストラクタ（csv読み取り時）
+ public TaskItem(String taskID, String taskName,String isComplete, String deadline, String priority) { // 文字列入力を受け取る
+ this.setTaskID(Integer.parseInt(taskID));
+ this.setTaskName(taskName);
+ this.setIsComplete(this.getIsCompleteBool(isComplete));
+ this.setDeadline(deadline); // csv読み取り時に不正入力判定は行わない
+ this.setPriority(this.getPriorityIndex(priority));
+ if (MaxTaskID register(List allData) throws PastDateException {
+ Scanner sc = new Scanner(System.in);
+ System.out.print("タスク名を入力: ");
+ String name = sc.nextLine();
+ System.out.print("期限を入力 (例: 2026/09/20) [未入力:今日]: ");
+ String deadline = sc.nextLine();
+ System.out.print("優先度を入力（1:低, 2:中, 3:高）[デフォルト:2]: ");
+ String priority = sc.nextLine();
+ Task newTask = new TaskItem(name,deadline,priority);
+ allData.add(newTask);
+ return allData;
+ }
+ // 完了/未完了の切り替え
+ public static List changeStatus(List allData) throws invalidInputException {
+ Scanner sc = new Scanner(System.in);
+ System.out.print("状態を変更するタスクIDを入力: ");
+ String id = sc.nextLine();
+ boolean currentStatus = ((TaskItem)(allData.get(getIndex(allData,id)))).getIsComplete();
+ ((TaskItem)(allData.get(getIndex(allData,id)))).setIsComplete(!currentStatus); // 状態を反転させる
+ return allData;
+ }
+ // 削除
+ public static List remove(List allData) throws invalidInputException {
+ Scanner sc = new Scanner(System.in);
+ System.out.print("削除するタスクIDを入力: ");
+ String id = sc.nextLine();
+ allData.remove(getIndex(allData,id));
+ return allData;
+ }
+ // ID照合→該当タスク配列インデックス取得
+ public static int getIndex(List allData,String id) throws invalidInputException {
+ boolean isMatched = false;
+ int index = 0;
+ for (Task data : allData) {
+ try {
+ if (((TaskItem)data).getTaskID()==Integer.parseInt(id)) {
+ isMatched = true;
+ break;
+ }
+ } catch (NumberFormatException err) {
+ throw new invalidInputException(); // 不正入力→例外
+ }
+ index++;
+ }
+ if (isMatched==false) {
+ throw new invalidInputException(); // ID照合失敗→例外
+ }
+ return index;
+ }
+ // ソート
+ public static List sort (List allData) {
+ Scanner sc = new Scanner(System.in);
+ System.out.print("並び替え時に参照する項目を入力（1:ID, 2:状態, 3:優先度, 4:期限, 5:タスク名）[デフォルト:1]:");
+ String mode = sc.nextLine();
+ System.out.print("並び替え順を入力（1:昇順, 2:降順）[デフォルト:1]");
+ String order = sc.nextLine();
+ switch (mode) {
+ case "1":
+ allData = Sort.sortID(allData,order);
+ break;
+ // 同一条件はID昇順に並べる
+ case "2":
+ allData = Sort.sortID(allData,"1");
+ allData = Sort.sortStatus(allData,order);
+ break;
+ case "3":
+ allData = Sort.sortID(allData,"1");
+ allData = Sort.sortPriority(allData,order);
+ break;
+ case "4":
+ allData = Sort.sortID(allData,"1");
+ allData = Sort.sortDeadline(allData,order);
+ break;
+ case "5":
+ allData = Sort.sortID(allData,"1");
+ allData = Sort.sortName(allData,order);
+ break;
+ default :
+ allData = Sort.sortID(allData,"1");
+ break;
+ }
+ return allData;
+ }
+
+ //====================ファイル入出力====================
+ // csvファイルからタスク情報を読み込む
+ public static List readCSV() {
+ List allData = new ArrayList();
+ File f = new File(PATH);
+ try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(f),"UTF-8"))) {
+ String line = "";
+ while ((line=br.readLine())!=null) {
+ String[] data = line.split(",",0);
+ Task task = new TaskItem(data[0],data[1],data[2],data[3],data[4]);
+ allData.add(task);
+ }
+ } catch (IOException err) {
+ System.out.println("ファイルの読み込みに失敗しました");
+ err.printStackTrace();
+ System.exit(-1);
+ }
+ return allData;
+ }
+ // csvファイルにタスク情報を書き込む
+ public static void writeCSV(List allData) {
+ File f = new File(PATH);
+ try (FileWriter fr = new FileWriter(f)) {
+ for (Task data : allData) {
+ fr.append(data.toCSV()+"\n");
+ }
+ } catch (IOException err) {
+ System.out.println("ファイルの書き込みに失敗しました");
+ err.printStackTrace();
+ System.exit(-1);
+ }
+ }
+
+}
+
+// ID照合失敗エラークラス
+class invalidInputException extends Exception {
+
+}
diff --git a/src/View.java b/src/View.java
new file mode 100644
index 0000000..738f315
--- /dev/null
+++ b/src/View.java
@@ -0,0 +1,32 @@
+import java.util.List;
+
+public class View {
+
+ // コンソール画面クリア
+ public static void clearConsole() {
+// System.out.print("\033[0;0J"+"\033[2J"); // not work on Eclipse conasole
+ // 空行を出力して前回の表示を隠す
+ for (int i=0;i<100;i++) { System.out.println(); }
+ }
+
+ // タスク一覧を画面出力する
+ public static void print(List allData) {
+ System.out.println(
+ "============================================================\n"
+ + " Task Manager\n"
+ + "============================================================\n"
+ + "ID | 状態 | 優先度 | 期限 | タスク名\n"
+ + "------------------------------------------------------------\n");
+ for (Task data : allData) {
+ System.out.println(data);
+ }
+ System.out.println();
+ }
+
+ // 入力待機表示を画面出力する
+ public static void standby() {
+ System.out.println("[1] タスク追加 [2] 完了/未完了の切り替え [3] 削除 [4] ソート [5] 終了");
+ System.out.print("番号を入力してください > ");
+ }
+
+}
diff --git a/src/testcolor.java b/src/testcolor.java
new file mode 100644
index 0000000..33620a9
--- /dev/null
+++ b/src/testcolor.java
@@ -0,0 +1,17 @@
+
+public class testcolor {
+
+ public static void main(String[] args) {
+ // TODO 自動生成されたメソッド・スタブ
+
+ for (int i = 0; i < 11; i++) {
+ for (int j = 0; j < 10; j++) {
+ int v = i*10+j;
+ System.out.printf("\033[%dm"+"%03d"+"\033[0m ",v,v);
+ }
+ System.out.printf("\n");
+ }
+
+ }
+
+}
diff --git a/タスク管理システム実行例/tasks.csv b/タスク管理システム実行例/tasks.csv
index 225f37c..fa8d637 100644
--- a/タスク管理システム実行例/tasks.csv
+++ b/タスク管理システム実行例/tasks.csv
@@ -2,3 +2,4 @@
2,旅行の買いだし,False,2027-08-08,3
3,試験勉強,True,2026-09-24,2
4,テスト勉強,False,2026-10-30,1
+5,test,False,2026-10-23,2