diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/LeftPane.java b/ganttzk/src/main/java/org/zkoss/ganttz/LeftPane.java
index 9690048c3..f3a074fae 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/LeftPane.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/LeftPane.java
@@ -23,6 +23,7 @@ package org.zkoss.ganttz;
 import java.util.Collection;
 import java.util.List;
 
+import org.zkoss.ganttz.adapters.IDisabilityConfiguration;
 import org.zkoss.ganttz.data.Position;
 import org.zkoss.ganttz.data.Task;
 import org.zkoss.zk.ui.Component;
@@ -39,20 +40,25 @@ public class LeftPane extends HtmlMacroComponent {
 
     private LeftTasksTree leftTasksTree;
 
+    private final IDisabilityConfiguration disabilityConfiguration;
+
     public void setGoingDownInLastArrowCommand(
             CommandContextualized<?> goingDownInLastArrowCommand) {
         this.leftTasksTree
                 .setGoingDownInLastArrowCommand(goingDownInLastArrowCommand);
     }
 
-    public LeftPane(List<Task> topLevelTasks) {
+    public LeftPane(IDisabilityConfiguration disabilityConfiguration,
+            List<Task> topLevelTasks) {
         this.topLevelTasks = topLevelTasks;
+        this.disabilityConfiguration = disabilityConfiguration;
     }
 
     @Override
     public void afterCompose() {
         super.afterCompose();
-        leftTasksTree = new LeftTasksTree(topLevelTasks);
+        leftTasksTree = new LeftTasksTree(disabilityConfiguration,
+                topLevelTasks);
         getContainer().appendChild(leftTasksTree);
         leftTasksTree.afterCompose();
     }
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTree.java b/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTree.java
index 7c2d22d38..6cb65a177 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTree.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTree.java
@@ -34,6 +34,7 @@ import java.util.Set;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.zkoss.ganttz.LeftTasksTreeRow.ILeftTasksTreeNavigator;
+import org.zkoss.ganttz.adapters.IDisabilityConfiguration;
 import org.zkoss.ganttz.data.Position;
 import org.zkoss.ganttz.data.Task;
 import org.zkoss.ganttz.data.TaskContainer;
@@ -76,7 +77,8 @@ public class LeftTasksTree extends HtmlMacroComponent {
             final int[] path = tasksTreeModel.getPath(tasksTreeModel.getRoot(),
                     task);
             String cssClass = "depth_" + path.length;
-            LeftTasksTreeRow leftTasksTreeRow = LeftTasksTreeRow.create(task,
+            LeftTasksTreeRow leftTasksTreeRow = LeftTasksTreeRow.create(
+                    disabilityConfiguration, task,
                     new TreeNavigator(tasksTreeModel, task));
             if (task.isContainer()) {
                 expandWhenOpened((TaskContainer) task, item);
@@ -314,7 +316,11 @@ public class LeftTasksTree extends HtmlMacroComponent {
 
     private CommandContextualized<?> goingDownInLastArrowCommand;
 
-    public LeftTasksTree(List<Task> tasks) {
+    private final IDisabilityConfiguration disabilityConfiguration;
+
+    public LeftTasksTree(IDisabilityConfiguration disabilityConfiguration,
+            List<Task> tasks) {
+        this.disabilityConfiguration = disabilityConfiguration;
         this.tasks = tasks;
     }
 
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTreeRow.java b/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTreeRow.java
index 8669185ec..c59cf9ebd 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTreeRow.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/LeftTasksTreeRow.java
@@ -29,6 +29,7 @@ import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.zkoss.ganttz.adapters.IDisabilityConfiguration;
 import org.zkoss.ganttz.data.Task;
 import org.zkoss.ganttz.util.ComponentsFinder;
 import org.zkoss.util.Locales;
@@ -68,13 +69,19 @@ public class LeftTasksTreeRow extends GenericForwardComposer {
 
     private final ILeftTasksTreeNavigator leftTasksTreeNavigator;
 
-    public static LeftTasksTreeRow create(Task bean,
+    private final IDisabilityConfiguration disabilityConfiguration;
+
+    public static LeftTasksTreeRow create(
+            IDisabilityConfiguration disabilityConfiguration, Task bean,
             ILeftTasksTreeNavigator taskDetailnavigator) {
-        return new LeftTasksTreeRow(bean, taskDetailnavigator);
+        return new LeftTasksTreeRow(disabilityConfiguration, bean,
+                taskDetailnavigator);
     }
 
-    private LeftTasksTreeRow(Task task,
+    private LeftTasksTreeRow(IDisabilityConfiguration disabilityConfiguration,
+            Task task,
             ILeftTasksTreeNavigator leftTasksTreeNavigator) {
+        this.disabilityConfiguration = disabilityConfiguration;
         this.task = task;
         this.dateFormat = DateFormat.getDateInstance(DateFormat.SHORT, Locales
                 .getCurrent());
@@ -356,13 +363,23 @@ public class LeftTasksTreeRow extends GenericForwardComposer {
         getNameBox().setValue(task.getName());
         getNameBox().setTooltiptext(task.getName());
         getStartDateBox().setValue(task.getBeginDate());
-        getStartDateBox().setDisabled(!task.canBeExplicitlyMoved());
+        getStartDateBox().setDisabled(!canChangeStartDate());
         getEndDateBox().setValue(task.getEndDate());
-        getEndDateBox().setDisabled(!task.canBeExplicitlyResized());
+        getEndDateBox().setDisabled(!canChangeEndDate());
         getStartDateTextBox().setValue(asString(task.getBeginDate()));
         getEndDateTextBox().setValue(asString(task.getEndDate()));
     }
 
+    private boolean canChangeStartDate() {
+        return disabilityConfiguration.isMovingTasksEnabled()
+                && task.canBeExplicitlyMoved();
+    }
+
+    private boolean canChangeEndDate() {
+        return disabilityConfiguration.isResizingTasksEnabled()
+                && task.canBeExplicitlyResized();
+    }
+
     private String asString(Date date) {
         return dateFormat.format(date);
     }
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/Planner.java b/ganttzk/src/main/java/org/zkoss/ganttz/Planner.java
index f806fd026..cec4f4248 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/Planner.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/Planner.java
@@ -333,7 +333,8 @@ public class Planner extends HtmlMacroComponent  {
 
     private void setupComponents() {
         insertGlobalCommands();
-        this.leftPane = new LeftPane(this.diagramGraph.getTopLevelTasks());
+        this.leftPane = new LeftPane(disabilityConfiguration, this.diagramGraph
+                .getTopLevelTasks());
         this.ganttPanel = new GanttPanel(this.context,
                 commandsOnTasksContextualized, doubleClickCommand,
                 disabilityConfiguration);