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/* |
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Copyright @ 1999-2004, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: PCInfoViewer.java,v $ |
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* $Revision: 1.7 $ |
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* $Date: 2006/03/24 15:51:05 $ |
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* $Author: eleanorahowe $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev.cluster.gui.impl.pca; |
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|
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.GridBagConstraints; |
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import java.awt.GridBagLayout; |
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import java.awt.Insets; |
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import java.beans.Expression; |
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import java.text.DecimalFormat; |
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|
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import javax.swing.JComponent; |
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import javax.swing.JLabel; |
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import javax.swing.JPanel; |
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import javax.swing.JTextArea; |
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|
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import org.tigr.microarray.mev.cluster.gui.IFramework; |
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import org.tigr.microarray.mev.cluster.gui.impl.ViewerAdapter; |
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import org.tigr.util.FloatMatrix; |
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|
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public class PCInfoViewer extends ViewerAdapter { |
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private JComponent header; |
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private JTextArea content; |
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|
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private JLabel headerLabel; |
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private FloatMatrix T; |
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private DecimalFormat format; |
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|
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/** |
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* Constructs a <code>PCInfoViewer</code> with specified T-matrix. |
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*/ |
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public PCInfoViewer(FloatMatrix T) { |
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this.T = T; |
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format = new DecimalFormat(); |
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format.setMaximumFractionDigits(5); |
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format.setMinimumFractionDigits(5); |
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format.setGroupingUsed(false); |
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|
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header = createHeader(headerLabel=new JLabel("<html><body bgcolor='#FFFFFF'><font face='serif' size='5' color='#000080'><b>Eigenvector</b></font></body></html>")); |
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content = createContent(); |
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setMaxWidth(content, header); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public Expression getExpression(){ |
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return new Expression(this, this.getClass(), "new", |
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new Object[]{T}); |
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} |
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|
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/** |
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* Updates the viewer with selected node object. |
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*/ |
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public void onSelected(IFramework framework) { |
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Object userObject = framework.getUserObject(); |
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updateViewer(((Integer)userObject).intValue()); |
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} |
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|
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/** |
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* Returns a content of the viewer. |
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*/ |
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public JComponent getContentComponent() { |
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return content; |
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} |
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|
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/** |
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* Returns a header of the viewer. |
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*/ |
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public JComponent getHeaderComponent() { |
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return header; |
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} |
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|
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/** |
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* Creates a header component. |
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*/ |
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private JComponent createHeader(JLabel label) { |
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JPanel panel = new JPanel(new GridBagLayout()); |
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panel.setBackground(Color.white); |
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GridBagConstraints gbc = new GridBagConstraints(); |
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gbc.fill = GridBagConstraints.HORIZONTAL; |
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gbc.insets = new Insets(10, 0, 10, 0); |
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panel.add(label, gbc); |
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return panel; |
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} |
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|
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/** |
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* Creates a content component. |
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*/ |
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private JTextArea createContent() { |
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JTextArea area = new JTextArea(T.getRowDimension(), 20); |
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area.setMargin(new Insets(0, 10, 0, 0)); |
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area.setEditable(false); |
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return area; |
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} |
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|
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/** |
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* Updates the viewer for specified gene index. |
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*/ |
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private void updateViewer(int gen) { |
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headerLabel.setText("<html><body bgcolor='#FFFFFF'><font face='serif' size='5' color='#000080'><b>Eigenvector "+String.valueOf(gen+1)+"</b></font></body></html>"); |
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content.setText(""); |
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final int rows = T.getRowDimension(); |
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StringBuffer sb = new StringBuffer(rows*10); |
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float value; |
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for (int i=0; i<rows; i++) { |
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value = T.get(i, gen); |
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if (Float.isNaN(value)) { |
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sb.append(String.valueOf(Float.NaN)+"\n"); |
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} else { |
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sb.append(format.format(value)+"\n"); |
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} |
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} |
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content.setText(sb.toString()); |
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content.setCaretPosition(0); |
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} |
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|
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/** |
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* Synchronization header and content sizes. |
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*/ |
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private void setMaxWidth(JComponent content, JComponent header) { |
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int c_width = content.getPreferredSize().width; |
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int h_width = header.getPreferredSize().width; |
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if (c_width > h_width) { |
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header.setPreferredSize(new Dimension(c_width, header.getPreferredSize().height)); |
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} else { |
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content.setPreferredSize(new Dimension(h_width, content.getPreferredSize().height)); |
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} |
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} |
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|
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/** Returns a component to be inserted into the scroll pane row header |
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*/ |
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public JComponent getRowHeaderComponent() { |
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return null; |
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} |
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|
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} |