svn commit: r13247 - branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/ChangeCommand.java

Author: b00__1
Date: 2007-08-05 05:25:30-0700
New Revision: 13247

Added:
   branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/ChangeCommand.java   (contents, props changed)

Log:
A custom ChangeCommand

Added: branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/ChangeCommand.java
Url: http://argouml.tigris.org/source/browse/argouml/branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/ChangeCommand.java?view=auto&rev=13247
==============================================================================
--- (empty file)
+++ branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/ChangeCommand.java	2007-08-05 05:25:30-0700
@@ -0,0 +1,96 @@
+// $Id$
+// Copyright (c) 2007, ArgoUML Project
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in the
+//       documentation and/or other materials provided with the distribution.
+//     * Neither the name of the ArgoUML Project nor the
+//       names of its contributors may be used to endorse or promote products
+//       derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE ArgoUML PROJECT ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE ArgoUML PROJECT BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package org.argouml.model.euml;
+
+import org.eclipse.emf.edit.domain.EditingDomain;
+
+/**
+ * A ChangeCommand that updates its label.
+ * <p>
+ * The label of this command can contain the character '#' that will be replaced
+ * with information about an object when the label is returned.
+ * 
+ * @author Bogdan Pistol
+ */
+public class ChangeCommand extends
+        org.eclipse.uml2.common.edit.command.ChangeCommand {
+
+    private Object objects[];
+
+    public ChangeCommand(EditingDomain editingDomain, Runnable runnable,
+            String label) {
+        super(editingDomain, runnable, label);
+    }
+
+    public ChangeCommand(EditingDomain editingDomain, Runnable runnable,
+            String label, Object... objects) {
+        super(editingDomain, runnable, label);
+        if (!isValid(label, objects)) {
+            throw new IllegalArgumentException(
+                    "The label is not compatible with the objects"); //$NON-NLS-1$
+        }
+        this.objects = objects;
+    }
+
+    @Override
+    public void setLabel(String label) {
+        if (!isValid(label, objects)) {
+            throw new IllegalArgumentException(
+                    "The label is not compatible with the objects"); //$NON-NLS-1$
+        }
+        super.setLabel(label);
+    }
+
+    @Override
+    public String getLabel() {
+        StringBuilder sb = new StringBuilder();
+        int j = 0;
+        for (int i = 0; i < label.length(); i++) {
+            if (label.charAt(i) == '#') {
+                sb.append(UMLUtil.toString(objects[j]));
+                j++;
+            } else {
+                sb.append(label.charAt(i));
+            }
+        }
+        return sb.toString();
+    }
+
+    private boolean isValid(String label, Object objects[]) {
+        if (objects == null) {
+            return true;
+        }
+        int i = 0;
+        for (int j = 0; j < label.length(); j++) {
+            if (label.charAt(j) == '#') {
+                i++;
+            }
+        }
+        return i == objects.length;
+    }
+
+}