[54] Add an option to choose task time granularity

CHANGELOG.adoc

@@ -10,6 +10,8 @@
 
 - https://github.com/ObeoNetwork/pepper/issues/9[#9] Add DependencyLink to add real delay between dependencies
 - https://github.com/ObeoNetwork/pepper/issues/8[#8] Determine the end time based on the start time and a duration
+- https://github.com/ObeoNetwork/pepper/issues/54[#54] Add an option to choose task time granularity
+
 
 === Improvements
 

backend/pepper-edit/src/main/java/pepper/peppermm/provider/AbstractTaskItemProvider.java

@@ -79,6 +79,7 @@ public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
             addAssignedTeamsPropertyDescriptor(object);
             addCalculationOptionPropertyDescriptor(object);
             addDurationPropertyDescriptor(object);
+			addDurationViewModePropertyDescriptor(object);
         }
         return itemPropertyDescriptors;
     }
@@ -206,6 +207,22 @@ protected void addDurationPropertyDescriptor(Object object) {
                 PepperPackage.Literals.ABSTRACT_TASK__DURATION, true, false, false, ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE, null, null));
     }
 
+	/**
+	 * This adds a property descriptor for the Duration View Mode feature. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 *
+	 * @generated
+	 */
+	protected void addDurationViewModePropertyDescriptor(Object object) {
+		itemPropertyDescriptors
+				.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
+						getResourceLocator(), getString("_UI_AbstractTask_durationViewMode_feature"),
+						getString("_UI_PropertyDescriptor_description", "_UI_AbstractTask_durationViewMode_feature",
+								"_UI_AbstractTask_type"),
+						PepperPackage.Literals.ABSTRACT_TASK__DURATION_VIEW_MODE, true, false, false,
+						ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
+	}
+
     /**
      * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
      * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
@@ -277,6 +294,7 @@ public void notifyChanged(Notification notification) {
             case PepperPackage.ABSTRACT_TASK__COMPUTE_START_END_DYNAMICALLY:
             case PepperPackage.ABSTRACT_TASK__CALCULATION_OPTION:
             case PepperPackage.ABSTRACT_TASK__DURATION:
+			case PepperPackage.ABSTRACT_TASK__DURATION_VIEW_MODE:
                 fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
                 return;
             case PepperPackage.ABSTRACT_TASK__SUB_TASKS:

backend/pepper-edit/src/main/resources/plugin.properties

@@ -71,6 +71,8 @@ _UI_AbstractTask_subTasks_feature = Sub Tasks
 _UI_AbstractTask_calculationOption_feature = Calculation Option
 _UI_AbstractTask_durationDelay_feature = Delay (H)
 _UI_AbstractTask_duration_feature = Duration (Hours)
+_UI_AbstractTask_duration_Days_feature = Duration (Days)
+_UI_AbstractTask_durationViewMode_feature = Duration View Mode
 _UI_TagFolder_name_feature = Name
 _UI_TagFolder_ownedTags_feature = Owned Tags
 _UI_TagFolder_subFolders_feature = Sub Folders
@@ -154,6 +156,8 @@ _UI_TaskTimeBoundariesConstraint_EndDuration_feature = End - Duration
 _UI_TaskTimeBoundariesConstraint_StartDuration_feature = Start - Duration
 _UI_StartOrEnd_Start_feature = Start
 _UI_StartOrEnd_End_feature = End
+_UI_DurationViewMode_Hours_feature = Hours
+_UI_DurationViewMode_Days_feature = Days
 _UI_Unknown_feature = Unspecified
 
 _UI_ProjectState_OnGoing_literal = ON_GOING
@@ -185,3 +189,5 @@ _UI_StartOrEnd_End_literal = END
 _UI_TaskTimeBoundariesConstraint_StartEnd_literal = START_END
 _UI_TaskTimeBoundariesConstraint_EndDuration_literal = END_DURATION
 _UI_TaskTimeBoundariesConstraint_StartDuration_literal = START_DURATION
+_UI_DurationViewMode_Hours_literal = HOURS
+_UI_DurationViewMode_Days_literal = DAYS

backend/pepper-edit/src/main/resources/plugin_fr.properties

@@ -72,6 +72,8 @@ _UI_AbstractTask_subTasks_feature = Sous t\u00E2ches
 _UI_AbstractTask_calculationOption_feature = Option de calcul
 _UI_AbstractTask_durationDelay_feature = Délais (H)
 _UI_AbstractTask_duration_feature = Dur\u00E9e (Heures)
+_UI_AbstractTask_duration_Days_feature = Durée (Jours)
+_UI_AbstractTask_durationViewMode_feature = Mode de durée
 _UI_TagFolder_name_feature = Nom
 _UI_TagFolder_ownedTags_feature = Tags
 _UI_TagFolder_subFolders_feature = Sous r\u00E9pertoires
@@ -155,6 +157,8 @@ _UI_TaskTimeBoundariesConstraint_EndDuration_feature = Fin - Dur
 _UI_TaskTimeBoundariesConstraint_StartDuration_feature = Début - Durée
 _UI_StartOrEnd_Start_feature = Début
 _UI_StartOrEnd_End_feature = Fin
+_UI_DurationViewMode_Hours_feature = Heures
+_UI_DurationViewMode_Days_feature = Jours
 _UI_Unknown_feature = Unspecified
 
 _UI_WorkpackageArtefactNature_Delivrable_literal = DELIVRABLE
@@ -186,3 +190,5 @@ _UI_StartOrEnd_End_literal = END
 _UI_TaskTimeBoundariesConstraint_StartEnd_literal = START_END
 _UI_TaskTimeBoundariesConstraint_EndDuration_literal = END_DURATION
 _UI_TaskTimeBoundariesConstraint_StartDuration_literal = START_DURATION
+_UI_DurationViewMode_Hours_literal = HOURS
+_UI_DurationViewMode_Days_literal = DAYS

backend/pepper-mm/src/main/java/pepper/peppermm/AbstractTask.java

@@ -37,6 +37,7 @@
  * <li>{@link AbstractTask#getSubTasks <em>Sub Tasks</em>}</li>
  * <li>{@link AbstractTask#getCalculationOption <em>Calculation Option</em>}</li>
  * <li>{@link AbstractTask#getDuration <em>Duration</em>}</li>
+ * <li>{@link AbstractTask#getDurationViewMode <em>Duration View Mode</em>}</li>
  * </ul>
  *
  * @see PepperPackage#getAbstractTask()
@@ -269,4 +270,29 @@ public interface AbstractTask extends EObject {
      */
     void setDuration(int value);
 
+    /**
+     * Returns the value of the '<em><b>Duration View Mode</b></em>' attribute. The literals are from the enumeration
+     * {@link DurationViewMode}. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @return the value of the '<em>Duration View Mode</em>' attribute.
+     * @see DurationViewMode
+     * @see #setDurationViewMode(DurationViewMode)
+     * @see PepperPackage#getAbstractTask_DurationViewMode()
+     * @model
+     * @generated
+     */
+    DurationViewMode getDurationViewMode();
+
+    /**
+     * Sets the value of the '{@link AbstractTask#getDurationViewMode <em>Duration View Mode</em>}'
+     * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @param value
+     *            the new value of the '<em>Duration View Mode</em>' attribute.
+     * @see DurationViewMode
+     * @see #getDurationViewMode()
+     * @generated
+     */
+    void setDurationViewMode(DurationViewMode value);
+
 } // AbstractTask

backend/pepper-mm/src/main/java/pepper/peppermm/DurationViewMode.java

@@ -0,0 +1,215 @@
+/**
+ * Copyright (c) 2024, 2026 CEA LIST and Others.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ * 
+ * Contributors:
+ *     Obeo - initial API and implementation
+ */
+package pepper.peppermm;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.emf.common.util.Enumerator;
+
+/**
+ * <!-- begin-user-doc --> A representation of the literals of the enumeration '<em><b>Duration View Mode</b></em>', and
+ * utility methods for working with them. <!-- end-user-doc -->
+ * 
+ * @see pepper.peppermm.PepperPackage#getDurationViewMode()
+ * @model
+ * @generated
+ */
+public enum DurationViewMode implements Enumerator {
+    /**
+     * The '<em><b>Hours</b></em>' literal object. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @see #HOURS_VALUE
+     * @generated
+     * @ordered
+     */
+    HOURS(0, "Hours", "HOURS"),
+
+    /**
+     * The '<em><b>Days</b></em>' literal object. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @see #DAYS_VALUE
+     * @generated
+     * @ordered
+     */
+    DAYS(1, "Days", "DAYS");
+
+    /**
+     * The '<em><b>Hours</b></em>' literal value. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @see #HOURS
+     * @model name="Hours" literal="HOURS"
+     * @generated
+     * @ordered
+     */
+    public static final int HOURS_VALUE = 0;
+
+    /**
+     * The '<em><b>Days</b></em>' literal value. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @see #DAYS
+     * @model name="Days" literal="DAYS"
+     * @generated
+     * @ordered
+     */
+    public static final int DAYS_VALUE = 1;
+
+    /**
+     * An array of all the '<em><b>Duration View Mode</b></em>' enumerators. <!-- begin-user-doc --> <!-- end-user-doc
+     * -->
+     * 
+     * @generated
+     */
+    private static final DurationViewMode[] VALUES_ARRAY = new DurationViewMode[] { HOURS, DAYS, };
+
+    /**
+     * A public read-only list of all the '<em><b>Duration View Mode</b></em>' enumerators. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     * 
+     * @generated
+     */
+    public static final List<DurationViewMode> VALUES = Collections.unmodifiableList(Arrays.asList(VALUES_ARRAY));
+
+    /**
+     * Returns the '<em><b>Duration View Mode</b></em>' literal with the specified literal value. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     * 
+     * @param literal
+     *            the literal.
+     * @return the matching enumerator or <code>null</code>.
+     * @generated
+     */
+    public static DurationViewMode get(String literal) {
+        for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+            DurationViewMode result = VALUES_ARRAY[i];
+            if (result.toString().equals(literal)) {
+                return result;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the '<em><b>Duration View Mode</b></em>' literal with the specified name. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     * 
+     * @param name
+     *            the name.
+     * @return the matching enumerator or <code>null</code>.
+     * @generated
+     */
+    public static DurationViewMode getByName(String name) {
+        for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+            DurationViewMode result = VALUES_ARRAY[i];
+            if (result.getName().equals(name)) {
+                return result;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the '<em><b>Duration View Mode</b></em>' literal with the specified integer value. <!-- begin-user-doc
+     * --> <!-- end-user-doc -->
+     * 
+     * @param value
+     *            the integer value.
+     * @return the matching enumerator or <code>null</code>.
+     * @generated
+     */
+    public static DurationViewMode get(int value) {
+        switch (value) {
+            case HOURS_VALUE:
+                return HOURS;
+            case DAYS_VALUE:
+                return DAYS;
+            default:
+                return null;
+        }
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    private final int value;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    private final String name;
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    private final String literal;
+
+    /**
+     * Only this class can construct instances. <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    private DurationViewMode(int value, String name, String literal) {
+        this.value = value;
+        this.name = name;
+        this.literal = literal;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * <!-- begin-user-doc --> <!-- end-user-doc -->
+     * 
+     * @generated
+     */
+    @Override
+    public String getLiteral() {
+        return literal;
+    }
+
+    /**
+     * Returns the literal value of the enumerator, which is its string representation. <!-- begin-user-doc --> <!--
+     * end-user-doc -->
+     * 
+     * @generated
+     */
+    @Override
+    public String toString() {
+        return literal;
+    }
+
+} // DurationViewMode