X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.spreadsheet.common%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fcommon%2Fmatrix%2FMatrixImpl.java;fp=bundles%2Forg.simantics.spreadsheet.common%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fcommon%2Fmatrix%2FMatrixImpl.java;h=aa9051be579b65009081288bbadbdf93ee69e72b;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

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
index 000000000..aa9051be5
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+++ b/bundles/org.simantics.spreadsheet.common/src/org/simantics/spreadsheet/common/matrix/MatrixImpl.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.spreadsheet.common.matrix;
+
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.simantics.spreadsheet.Matrix;
+
+public class MatrixImpl implements Matrix, Externalizable {
+
+	private int rows;
+	private int columns;
+	private Object[] data;
+	
+	public MatrixImpl() {
+		
+	}
+	
+	public MatrixImpl(int rows, int columns) {
+		this.rows = rows;
+		this.columns = columns;
+		this.data = new Object[rows*columns];
+	}
+
+	@Override
+	public int getColumnCount() {
+		return columns;
+	}
+
+	@Override
+	public int getRowCount() {
+		return rows;
+	}
+
+	@Override
+	public void readExternal(ObjectInput in) throws IOException,
+			ClassNotFoundException {
+		rows = in.readInt();
+		columns = in.readInt();
+		data = new Object[rows*columns];
+		for(int i=0;i<data.length;i++) data[i] = in.readObject();
+	}
+
+	@Override
+	public void writeExternal(ObjectOutput out) throws IOException {
+		out.writeInt(rows);
+		out.writeInt(columns);
+		for(Object o : data) out.writeObject(o);
+	}
+
+	@Override
+	public Object get(int row, int column) {
+		return data[column*rows + row];
+	}
+	
+	public void setColumn(int column, Collection<Object> objects) {
+		int index = rows*column;
+		for(Object o : objects) {
+			data[index++] = o;
+		}
+	}
+
+	public void set(int row, int column, Object object) {
+		data[rows*column + row] = object;
+	}
+
+	public Collection<Object> getColumn(int column) {
+		ArrayList<Object> result = new ArrayList<Object>();
+		for(int i=0;i<rows;i++) {
+			result.add(data[rows*column+i]);
+		}
+		return result;
+	}
+
+	public Collection<Object> getRow(int row) {
+		ArrayList<Object> result = new ArrayList<Object>();
+		for(int i=0;i<columns;i++) {
+			result.add(data[row + columns*i]);
+		}
+		return result;
+	}
+	
+}