Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.spreadsheet.common / src / org / simantics / spreadsheet / common / matrix / MatrixImpl.java

diff --git a/bundles/org.simantics.spreadsheet.common/src/org/simantics/spreadsheet/common/matrix/MatrixImpl.java b/bundles/org.simantics.spreadsheet.common/src/org/simantics/spreadsheet/common/matrix/MatrixImpl.java
new file mode 100644 (file)
index 0000000..aa9051b
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet.common/src/org/simantics/spreadsheet/common/matrix/MatrixImpl.java
@@ -0,0 +1,97 @@
+/*******************************************************************************\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.spreadsheet.common.matrix;\r
+\r
+import java.io.Externalizable;\r
+import java.io.IOException;\r
+import java.io.ObjectInput;\r
+import java.io.ObjectOutput;\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+\r
+import org.simantics.spreadsheet.Matrix;\r
+\r
+public class MatrixImpl implements Matrix, Externalizable {\r
+\r
+       private int rows;\r
+       private int columns;\r
+       private Object[] data;\r
+       \r
+       public MatrixImpl() {\r
+               \r
+       }\r
+       \r
+       public MatrixImpl(int rows, int columns) {\r
+               this.rows = rows;\r
+               this.columns = columns;\r
+               this.data = new Object[rows*columns];\r
+       }\r
+\r
+       @Override\r
+       public int getColumnCount() {\r
+               return columns;\r
+       }\r
+\r
+       @Override\r
+       public int getRowCount() {\r
+               return rows;\r
+       }\r
+\r
+       @Override\r
+       public void readExternal(ObjectInput in) throws IOException,\r
+                       ClassNotFoundException {\r
+               rows = in.readInt();\r
+               columns = in.readInt();\r
+               data = new Object[rows*columns];\r
+               for(int i=0;i<data.length;i++) data[i] = in.readObject();\r
+       }\r
+\r
+       @Override\r
+       public void writeExternal(ObjectOutput out) throws IOException {\r
+               out.writeInt(rows);\r
+               out.writeInt(columns);\r
+               for(Object o : data) out.writeObject(o);\r
+       }\r
+\r
+       @Override\r
+       public Object get(int row, int column) {\r
+               return data[column*rows + row];\r
+       }\r
+       \r
+       public void setColumn(int column, Collection<Object> objects) {\r
+               int index = rows*column;\r
+               for(Object o : objects) {\r
+                       data[index++] = o;\r
+               }\r
+       }\r
+\r
+       public void set(int row, int column, Object object) {\r
+               data[rows*column + row] = object;\r
+       }\r
+\r
+       public Collection<Object> getColumn(int column) {\r
+               ArrayList<Object> result = new ArrayList<Object>();\r
+               for(int i=0;i<rows;i++) {\r
+                       result.add(data[rows*column+i]);\r
+               }\r
+               return result;\r
+       }\r
+\r
+       public Collection<Object> getRow(int row) {\r
+               ArrayList<Object> result = new ArrayList<Object>();\r
+               for(int i=0;i<columns;i++) {\r
+                       result.add(data[row + columns*i]);\r
+               }\r
+               return result;\r
+       }\r
+       \r
+}\r