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Task 2.4 Step 3: Show time slots with sorting and color coding

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Omnicscient
2025-12-16 23:39:37 +03:00
parent cadeadd890
commit cbf1d0b13c
1 changed files with 73 additions and 2 deletions
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75
src/main/java/org/example/se302/controller/ScheduleClassroomController.java
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@@ -8,6 +8,7 @@ import javafx.fxml.FXML;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableRow;
import javafx.scene.control.TableView;
import org.example.se302.model.Classroom;
import org.example.se302.model.ExamAssignment;
@@ -16,6 +17,7 @@ import org.example.se302.service.DataManager;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Comparator;
import java.util.Map;
/**
@@ -64,6 +66,52 @@ public class ScheduleClassroomController {
cellData -> new SimpleIntegerProperty(cellData.getValue().getStudentCount()));
utilizationColumn.setCellValueFactory(
cellData -> new SimpleStringProperty(cellData.getValue().getUtilization()));
// Custom comparators for proper sorting
dateColumn.setComparator((d1, d2) -> {
if (d1.startsWith("Day") && d2.startsWith("Day")) {
try {
int day1 = Integer.parseInt(d1.replace("Day ", ""));
int day2 = Integer.parseInt(d2.replace("Day ", ""));
return Integer.compare(day1, day2);
} catch (NumberFormatException e) {
return d1.compareTo(d2);
}
}
return d1.compareTo(d2);
});
timeColumn.setComparator((t1, t2) -> {
try {
int slot1 = Integer.parseInt(t1.replace("Slot ", ""));
int slot2 = Integer.parseInt(t2.replace("Slot ", ""));
return Integer.compare(slot1, slot2);
} catch (NumberFormatException e) {
return t1.compareTo(t2);
}
});
// Color-code rows by utilization percentage
scheduleTable.setRowFactory(tv -> new TableRow<ClassroomSlotEntry>() {
@Override
protected void updateItem(ClassroomSlotEntry item, boolean empty) {
super.updateItem(item, empty);
if (empty || item == null) {
setStyle("");
} else {
int utilPercent = item.getUtilizationPercent();
if (utilPercent >= 90) {
setStyle("-fx-background-color: #FFCDD2;"); // Red - high
} else if (utilPercent >= 70) {
setStyle("-fx-background-color: #FFF9C4;"); // Yellow - medium
} else if (utilPercent > 0) {
setStyle("-fx-background-color: #C8E6C9;"); // Green - low
} else {
setStyle("-fx-background-color: #F5F5F5;"); // Gray - empty
}
}
}
});
}
/**
@@ -116,7 +164,8 @@ public class ScheduleClassroomController {
entries.add(new ClassroomSlotEntry(
dateStr, timeStr, assignment.getCourseCode(),
studentCount, utilizationStr));
studentCount, utilizationStr, utilizationPercent,
assignment.getDay(), assignment.getTimeSlotIndex()));
usedSlots++;
totalStudents += studentCount;
@@ -129,6 +178,10 @@ public class ScheduleClassroomController {
}
}
// Sort by day then slot
entries.sort(Comparator.comparingInt(ClassroomSlotEntry::getDayIndex)
.thenComparingInt(ClassroomSlotEntry::getSlotIndex));
scheduleTable.setItems(entries);
// Update overall utilization label
@@ -149,14 +202,20 @@ public class ScheduleClassroomController {
private final String course;
private final int studentCount;
private final String utilization;
private final int utilizationPercent;
private final int dayIndex;
private final int slotIndex;
public ClassroomSlotEntry(String date, String time, String course, int studentCount,
String utilization) {
String utilization, int utilizationPercent, int dayIndex, int slotIndex) {
this.date = date;
this.time = time;
this.course = course;
this.studentCount = studentCount;
this.utilization = utilization;
this.utilizationPercent = utilizationPercent;
this.dayIndex = dayIndex;
this.slotIndex = slotIndex;
}
public String getDate() {
@@ -178,5 +237,17 @@ public class ScheduleClassroomController {
public String getUtilization() {
return utilization;
}
public int getUtilizationPercent() {
return utilizationPercent;
}
public int getDayIndex() {
return dayIndex;
}
public int getSlotIndex() {
return slotIndex;
}
}
}