1 files changed, 82 insertions, 0 deletions
diff --git a/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/workflow/editor/model/commands/ShapeCreateCommand.java b/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/workflow/editor/model/commands/ShapeCreateCommand.java
new file mode 100644
index 00000000000..351e9a76993
--- /dev/null
+++ b/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/workflow/editor/model/commands/ShapeCreateCommand.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2005 Donald G. Dunne and others.
+�* All rights reserved. This program and the accompanying materials
+�* are made available under the terms of the Eclipse Public License v1.0
+�* which accompanies this distribution, and is available at
+�* http://www.eclipse.org/legal/epl-v10.html
+�*
+�* Contributors:
+�*����Donald G. Dunne - initial API and implementation
+�*******************************************************************************/
+package org.eclipse.osee.ats.workflow.editor.model.commands;
+
+import org.eclipse.draw2d.geometry.Dimension;
+import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.gef.commands.Command;
+import org.eclipse.osee.ats.workflow.editor.model.Shape;
+import org.eclipse.osee.ats.workflow.editor.model.WorkflowDiagram;
+
+/**
+ * A command to add a Shape to a ShapeDiagram. The command can be undone or redone.
+ * 
+ * @author Donald G. Dunne
+ */
+public class ShapeCreateCommand extends Command {
+
+   /** The new shape. */
+   private final Shape newShape;
+   /** ShapeDiagram to add to. */
+   private final WorkflowDiagram parent;
+   /** The bounds of the new Shape. */
+   private final Rectangle bounds;
+
+   /**
+    * Create a command that will add a new Shape to a WorkflowDiagram.
+    * 
+    * @param newShape the new Shape that is to be added
+    * @param parent the WorkflowDiagram that will hold the new element
+    * @param bounds the bounds of the new shape; the size can be (-1, -1) if not known
+    * @throws IllegalArgumentException if any parameter is null, or the request does not provide a new Shape instance
+    */
+   public ShapeCreateCommand(Shape newShape, WorkflowDiagram parent, Rectangle bounds) {
+      this.newShape = newShape;
+      this.newShape.setWorkflowDiagram(parent);
+      this.parent = parent;
+      this.bounds = bounds;
+      setLabel("shape creation");
+   }
+
+   /**
+    * Can execute if all the necessary information has been provided.
+    * 
+    * @see org.eclipse.gef.commands.Command#canExecute()
+    */
+   @Override
+   public boolean canExecute() {
+      boolean create = newShape != null && parent != null && bounds != null;
+      if (!create) return false;
+      if (parent.hasChild(newShape)) {
+         return false;
+      }
+      return true;
+   }
+
+   @Override
+   public void execute() {
+      newShape.setLocation(bounds.getLocation());
+      Dimension size = bounds.getSize();
+      if (size.width > 0 && size.height > 0) newShape.setSize(size);
+      redo();
+   }
+
+   @Override
+   public void redo() {
+      parent.addChild(newShape);
+   }
+
+   @Override
+   public void undo() {
+      parent.removeChild(newShape);
+   }
+
+}
+\ No newline at end of file