+/*******************************************************************************\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