Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / element / handler / Resize.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/Resize.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/Resize.java
new file mode 100644 (file)
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/Resize.java
@@ -0,0 +1,61 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.g2d.element.handler;\r
+\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.ElementClass.Single;\r
+import org.simantics.g2d.element.handler.impl.Resizeable;\r
+\r
+/**\r
+ * This interface is implemented by all elements whose internal size can \r
+ * be modified. \r
+ * \r
+ * @See {@link InternalSize} Handler for acquiring internal size of an element\r
+ * @See {@link Resizeable} size can be changed by user\r
+ * @author Toni Kalajainen\r
+ */\r
+@Single\r
+public interface Resize extends ElementHandler, InternalSize {\r
+       \r
+       /**\r
+        * Modify the size of \r
+        * @param e\r
+        * @param ctx\r
+        * @param newSize\r
+        */\r
+       void resize(IElement e, Rectangle2D newSize);\r
+       \r
+       /**\r
+        * Returns width/height ratio if dimensions of the element are uniform, and\r
+        * null if not.\r
+        *  \r
+        * @return aspect ratio or null \r
+        */\r
+       Double getFixedAspectRatio(IElement e);\r
+       \r
+       /**\r
+        * Get minimum size if one exists\r
+        * @param e element\r
+        * @return the minimum size or null\r
+        */\r
+       Rectangle2D getMinimumSize(IElement e);\r
+       \r
+       /**\r
+        * Get the maximum size of the element\r
+        * @param e element\r
+        * @return the maximum size or null\r
+        */\r
+       Rectangle2D getMaximumSize(IElement e);\r
+       \r
+}\r