ItEr37S18CUCalculoCaminhoCriticoItEr36S20: Added one button on planner to show and hide the critical path.

ganttzk/src/main/java/org/zkoss/ganttz/FunctionalityExposedForExtensions.java

@@ -336,8 +336,19 @@ public class FunctionalityExposedForExtensions<T> implements IContext<T> {
     public void showCriticalPath() {
         List<Task> criticalPath = new CriticalPathCalculator<Task>()
                 .calculateCriticalPath(diagramGraph);
-        for (Task task : criticalPath) {
-            task.setInCriticalPath(true);
+        for (Task task : diagramGraph.getTasks()) {
+            if (criticalPath.contains(task)) {
+                task.setInCriticalPath(true);
+            } else {
+                task.setInCriticalPath(false);
+            }
+        }
+    }
+
+    @Override
+    public void hideCriticalPath() {
+        for (Task task : diagramGraph.getTasks()) {
+            task.setInCriticalPath(false);
         }
     }
 

ganttzk/src/main/java/org/zkoss/ganttz/Planner.java

@@ -44,6 +44,7 @@ import org.zkoss.zk.ui.Component;
 import org.zkoss.zk.ui.Executions;
 import org.zkoss.zk.ui.HtmlMacroComponent;
 import org.zkoss.zul.Separator;
+import org.zkoss.zul.api.Button;
 
 public class Planner extends HtmlMacroComponent  {
 
@@ -65,6 +66,8 @@ public class Planner extends HtmlMacroComponent  {
 
     private transient IDisabilityConfiguration disabilityConfiguration;
 
+    private boolean isShowingCriticalPath = false;
+
     public Planner() {
         registerNeededScripts();
     }
@@ -175,8 +178,9 @@ public class Planner extends HtmlMacroComponent  {
             setAt("insertionPointChart", chartComponent);
         }
 
-        if (configuration.isCriticalPathEnabled()) {
-            this.context.showCriticalPath();
+        if (!configuration.isCriticalPathEnabled()) {
+            Button showCriticalPathButton = (Button) getFellow("showCriticalPath");
+            showCriticalPathButton.setVisible(false);
         }
     }
 
@@ -290,4 +294,15 @@ public class Planner extends HtmlMacroComponent  {
         return ganttPanel.getTimeTracker();
     }
 
+    public void showCriticalPath() {
+        if (disabilityConfiguration.isCriticalPathEnabled()) {
+            if (isShowingCriticalPath) {
+                context.hideCriticalPath();
+            } else {
+                context.showCriticalPath();
+            }
+            isShowingCriticalPath = !isShowingCriticalPath;
+        }
+    }
+
 }

ganttzk/src/main/java/org/zkoss/ganttz/TaskComponent.java

@@ -228,9 +228,7 @@ public class TaskComponent extends Div implements AfterCompose {
 
                 @Override
                 public void propertyChange(PropertyChangeEvent evt) {
-                    if (task.isInCriticalPath()) {
-                        updateClass();
-                    }
+                    updateClass();
                 }
 
             };

ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextRelativeToOtherComponent.java

@@ -97,4 +97,9 @@ public class ContextRelativeToOtherComponent<T> implements IContext<T> {
         context.showCriticalPath();
     }
 
+    @Override
+    public void hideCriticalPath() {
+        context.hideCriticalPath();
+    }
+
 }

ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextWithPlannerTask.java

@@ -100,4 +100,9 @@ public class ContextWithPlannerTask<T> implements IContextWithPlannerTask<T> {
         context.showCriticalPath();
     }
 
+    @Override
+    public void hideCriticalPath() {
+        context.hideCriticalPath();
+    }
+
 }

ganttzk/src/main/java/org/zkoss/ganttz/extensions/IContext.java

@@ -110,4 +110,9 @@ public interface IContext<T> {
      */
     void showCriticalPath();
 
+    /**
+     * Hides the critical path in the planner.
+     */
+    void hideCriticalPath();
+
 }

ganttzk/src/main/resources/web/ganttz/zul/plannerLayout.zul

@@ -28,6 +28,9 @@ planner = self;
             <comboitem label="Critical way" />
         </combobox>
         <textbox/>
+        <separator />
+        <button id="showCriticalPath" onClick="planner.showCriticalPath();"
+            label="${i18n:_('Critical path')}" />
 
        </hbox>
        </north>