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/* |
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Copyright @ 1999-2003, 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: Thumbnail.java,v $ |
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* $Revision: 1.4 $ |
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* $Date: 2006/02/23 20:59:41 $ |
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* $Author: caliente $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev; |
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|
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import java.awt.BorderLayout; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.WindowListener; |
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|
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import javax.swing.JFrame; |
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import javax.swing.JPanel; |
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|
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import org.tigr.microarray.mev.cluster.gui.IData; |
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import org.tigr.microarray.mev.cluster.gui.IDisplayMenu; |
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import org.tigr.microarray.mev.cluster.gui.IFramework; |
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|
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public class Thumbnail extends JFrame { |
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|
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private Canvas canvas; |
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|
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/** |
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* Constructs a <code>Thumbnail</code> for specified framework. |
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*/ |
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public Thumbnail(IFramework framework, WindowListener windowListener) { |
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super("Thumbnail"); |
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addWindowListener(windowListener); |
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Listener listener = new Listener(); |
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this.canvas = createCanvas(framework, listener); |
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getContentPane().add(this.canvas, BorderLayout.CENTER); |
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setSize(100, 200); |
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} |
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|
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/** |
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* Updates the canvas data. |
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*/ |
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public void onDataChanged(IData data) { |
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this.canvas.onDataChanged(data); |
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} |
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|
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/** |
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* Delegates the call to its canvas. |
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*/ |
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public void onMenuChanged(IDisplayMenu menu) { |
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this.canvas.onMenuChanged(menu); |
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} |
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|
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/** |
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* Creates the tumbnail canvas. |
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*/ |
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private Canvas createCanvas(IFramework framework, MouseListener listener) { |
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Canvas canvas = new Canvas(framework); |
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canvas.setBackground(Color.white); |
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canvas.addMouseListener(listener); |
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return canvas; |
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} |
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|
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/** |
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* The class to draw microarrays data. |
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*/ |
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private class Canvas extends JPanel { |
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private IFramework framework; |
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private IData data; |
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private int elementHeight = 5; |
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private float maxRatio; |
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private float minRatio; |
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|
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/** |
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* Constructs a <code>Canvas</code> with specified reference to the framework. |
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*/ |
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public Canvas(IFramework framework) { |
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this.framework = framework; |
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this.data = framework.getData(); |
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this.maxRatio = framework.getDisplayMenu().getMaxRatioScale(); |
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this.minRatio = framework.getDisplayMenu().getMinRatioScale(); |
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} |
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|
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/** |
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* Updates the canvas data. |
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*/ |
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public void onDataChanged(IData data) { |
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this.data = data; |
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repaint(); |
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} |
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|
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/** |
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* Updates the canvas attributies. |
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*/ |
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public void onMenuChanged(IDisplayMenu menu) { |
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this.elementHeight = menu.getElementSize().height; |
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this.maxRatio = menu.getMaxRatioScale(); |
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this.minRatio = menu.getMinRatioScale(); |
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repaint(); |
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} |
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|
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/** |
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* Sets the framework content position into a specified y coordinate. |
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*/ |
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private void setContentPosition(int mouseY) { |
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framework.setContentLocation(0, (this.elementHeight*this.data.getFeaturesSize()*mouseY)/getHeight()); |
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} |
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|
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/** |
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* Paints the canvas into specified graphics. |
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*/ |
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public void paint(Graphics g) { |
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super.paint(g); |
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final int COLUMNS = this.data.getFeaturesCount(); |
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final int ROWS = this.data.getFeaturesSize(); |
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float width = (float)getWidth()/(float)COLUMNS; |
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float height = (float)getHeight()/(float)ROWS; |
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int eHeight = (int)height > 0 ? (int)height : 1; |
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int[] indices; |
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int x, y; |
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float ratio; |
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for (int column=0; column<COLUMNS; column++) { |
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indices = data.getSortedIndices(column); |
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for (int row=0; row<ROWS; row++) { |
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x = Math.round(width*column); |
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y = Math.round(height*row); |
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ratio = data.getRatio(column, indices[row], IData.LOG); |
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drawElement(g, x, y, Math.round(width), eHeight, ratio); |
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} |
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} |
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} |
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|
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/** |
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* Draws an element with specified parameters. |
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*/ |
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private void drawElement(Graphics g, int x, int y, int width, int height, float ratio) { |
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Color holdColor; |
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if (ratio > 0) { |
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ratio = (float)Math.abs(ratio/this.maxRatio); |
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ratio = ratio > 1f ? 1f : ratio; |
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holdColor = new Color(ratio, 0, 0); |
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} else if (ratio < 0) { |
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ratio = (float)Math.abs(ratio/this.minRatio); |
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ratio = ratio > 1f ? 1f : ratio; |
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holdColor = new Color(0, ratio, 0); |
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} else { |
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//holdColor = new Color(0, 0, 0); |
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holdColor = new Color(128, 128, 128); |
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} |
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g.setColor(holdColor); |
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g.fillRect(x, y, width, height); |
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} |
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} |
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|
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/** |
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* Mouse events listener. |
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*/ |
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private class Listener extends MouseAdapter { |
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public void mouseClicked(MouseEvent event) { |
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canvas.setContentPosition(event.getY()); |
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} |
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} |
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} |