Package com.meapsoft.visualizer

Source Code of com.meapsoft.visualizer.SegmentOrderRenderer

/*
*  Copyright 2006-2007 Columbia University.
*
*  This file is part of MEAPsoft.
*
*  MEAPsoft is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License version 2 as
*  published by the Free Software Foundation.
*
*  MEAPsoft is distributed in the hope that it will be useful, but
*  WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*  General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with MEAPsoft; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
*  02110-1301 USA
*
*  See the file "COPYING" for the text of the license.
*/

/*
* Created on Nov 15, 2006
*
* various ways of viewing EDL files
*
*/
package com.meapsoft.visualizer;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.util.Vector;

import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JPanel;

import com.meapsoft.DSP;
import com.meapsoft.EDLFile;
import com.meapsoft.FeatFile;

/**
* @author douglas repetto
*
*/

public class SegmentOrderRenderer extends Renderer
{
  JCheckBox thickLines;

  JCheckBox multiLines;

  boolean thick = false;

  boolean multi = false;

  int currHeight = 0;

  int currWidth = 0;

  double currXMulti = 0.0;

  // amount of screen to use for top and bottom rows of blips
  double screenPercentage = .25;

  public SegmentOrderRenderer(FeatFile featFile, EDLFile eDLFile)
  {
    super(featFile, eDLFile, "SegmentOrderMapping");
  }

  public SegmentOrderRenderer(Renderer r)
  {
    super(r);

    // have to do this so we're not stuck with invalid
    // multipliers from another renderer
    updateColorMultipliers();
  }

  public void draw(BufferedImage image, int width, int height)
  {
    int numChunks = events.size();

    // set up scaling factors
    ChunkVisInfo lastChunk = (ChunkVisInfo) events.elementAt(numChunks - 1);
    double xMulti = width / (lastStartTime + lastChunk.length);
    // use 1/4 of the screen for plotting blips
    double scaledHeight = height * screenPercentage;

    Graphics graphics = image.getGraphics();
    graphics.setColor(Color.white);// Color.lightGray);
    graphics.fillRect(0, 0, width, height);

    int blipHeight = (int) (scaledHeight / numFeatures);

    for (int i = 0; i < numChunks; i++)
    {
      ChunkVisInfo cVI = (ChunkVisInfo) events.elementAt(i);

      int index = 0;
      for (int j = 0; j < numFeatures; j++)
      {
        int ndim = elementsPerFeature[j];

        // draw features in Matlab's 'axis xy' order
        // (i.e. lowest feature dimensions on the bottom)
        // for (int k = 0; k < ndim; k++)
        for (int k = ndim - 1; k >= 0; k--)
        {
          int[] featNum = { index };
          double featureValue = cVI.getFeatures(featNum)[0];

          featureValue -= lowestFeatureValue[j];
          /*
           * if (colorMapType == SQRT) { featureValue -=
           * lowestFeatureValue[j]; featureValue =
           * Math.sqrt(featureValue); } else if (colorMapType ==
           * SQUARE) { featureValue -= lowestFeatureValue[j];
           * featureValue *= featureValue; }
           */
          double colorIndex = featureValue * colorMultipliers[j];

          // graphics.setColor(colormap.table[(int)colorIndex]);

          if (cVI.selected)
          {
            graphics.setColor(colormap.table[(int) colorIndex]);
          }
          else
          {
            Color c = colormap.table[(int) colorIndex].darker()
                .darker().darker();
            graphics.setColor(c);
          }
          int x1 = (int) (cVI.startTime * xMulti);
          int blipWidth = (int) ((cVI.startTime + cVI.length) * xMulti);
          blipWidth = blipWidth - x1;
          int y = (int) (j * blipHeight + k * blipHeight / ndim);

          // int miniBlipHeight = blipHeight/ndim;
          int miniBlipHeight = (blipHeight + ndim / 2) / ndim;
          if (miniBlipHeight < 1)
            miniBlipHeight = 1;

          // draw top blip
          // if (cVI.selected)
          graphics.fillRect(x1, y, blipWidth, miniBlipHeight);

          // else
          // {
          // this is wonky, but if we always draw here then
          // multi-dimensional blips won't disappear when
          // they're deselected. Their rects are so small that
          // they just stack up and fill in all the space!
          // if (k == 0)
          // graphics.drawRect(x1, y, blipWidth, blipHeight);
          // }

          // draw bottom blip
          if (eDLFile != null)
          {
            if (cVI.dstTime != -1.0)
            {
              int x2 = (int) (cVI.dstTime * xMulti);

              // int y2 = (height - y) - blipHeight/ndim;
              // draw the bottom blip in the same
              // orientation as the top blip
              int y2 = height - j * blipHeight - (ndim - k)
                  * blipHeight / ndim;
              // if (cVI.selected)
              graphics.fillRect(x2, y2, blipWidth + 1,
                  miniBlipHeight);
              // else
              // {
              // if (k == 0)
              // graphics.drawRect(x2, y2, blipWidth, blipHeight);
              // }
              cVI.xEDL = x2;
              cVI.yEDL = y2;
            }
          }

          index++;

          cVI.xFeat = x1;
          cVI.yFeat = y;
          cVI.width = blipWidth;
          cVI.height = blipHeight;
        }
      }
    }

    // now do connections, if EDL file exists
    // we have to do it in its own loop, otherwise our messy chunk order
    // will result in lots of overlapping drawing!
    if (eDLFile != null)
    {
      for (int i = 0; i < numChunks; i++)
      {
        ChunkVisInfo cVI = (ChunkVisInfo) events.elementAt(i);

        int index = 0;

        for (int j = 0; j < numFeatures; j++)
        {
          /*
           * for (int k = 0; k < elementsPerFeature[j]; k++) { int[]
           * featNum = {index}; double[] values =
           * cVI.getFeatures(featNum); double featureValue =
           * values[0];
           *
           * if (colorMapType == SQRT) { featureValue -=
           * lowestFeatureValue[j]; featureValue =
           * Math.sqrt(featureValue); } else if (colorMapType ==
           * SQUARE) { featureValue -= lowestFeatureValue[j];
           * featureValue *= featureValue; } else featureValue -=
           * lowestFeatureValue[j];
           *
           * double colorIndex = featureValue * colorMultipliers[j];
           *
           * graphics.setColor(colormap.table[(int)colorIndex]);
           */

          int ndim = elementsPerFeature[j];

          int[] featNum = DSP.irange(index, index + ndim - 1);
          double[] features = cVI.getFeatures(featNum);
          features = DSP.minus(features, lowestFeatureValue[j]);
          double featureValue = DSP.dot(features, features)
              / Math.sqrt(ndim);

          featureValue = features[ndim - 1];
          /*
           * if (sqrtFeatureValues.isSelected()) featureValue =
           * Math.sqrt(featureValue); else if
           * (squareFeatureValues.isSelected()) featureValue *=
           * featureValue;
           */
          double colorIndex = featureValue * colorMultipliers[j];

          graphics.setColor(colormap.table[(int) colorIndex]);

          int x1 = (int) (cVI.startTime * xMulti);
          int blipWidth = (int) ((cVI.startTime + cVI.length) * xMulti);
          blipWidth = blipWidth - x1;
          int y = (int) (j * blipHeight);

          if (cVI.dstTime != -1.0)
          {
            int x2 = (int) (cVI.dstTime * xMulti);

            // draw bottom blip
            if (cVI.selected)
            {
              // draw connection
              if (multi)
              {
                graphics.drawLine(x1 + blipWidth / 2, y
                    + blipHeight, x2 + blipWidth / 2,
                    (height - y) - blipHeight);
                if (thick)
                  graphics.drawLine((x1 + blipWidth / 2) + 1,
                      y + blipHeight,
                      (x2 + blipWidth / 2) + 1,
                      (height - y) - blipHeight);
              }
              else
              {
                if (j == numFeatures - 1)
                {
                  graphics.drawLine(x1 + blipWidth / 2, y
                      + blipHeight, x2 + blipWidth / 2,
                      (height - y) - blipHeight);
                  if (thick)
                    graphics.drawLine(
                        (x1 + blipWidth / 2) + 1, y
                            + blipHeight,
                        (x2 + blipWidth / 2) + 1,
                        (height - y) - blipHeight);
                }
              }
            }
          }

          index += ndim;

          graphics.setColor(Color.black);
          y = (blipHeight * j) + blipHeight;
          graphics.drawLine(0, y, width, y);
          graphics.drawLine(0, height - y, width, height - y);
        }
      }
    }

    if (dragRect != null)
    {
      // System.out.println("drawing: " + dragRect.toString());
      graphics.setColor(Color.black);
      graphics.drawRect(dragRect.x, dragRect.y, dragRect.width,
          dragRect.height);
    }

    currHeight = height;
    currWidth = width;
    currXMulti = xMulti;
  }

  public Vector getChunkVisInfosForPoint(Point p)
  {
    Vector chunks = new Vector();

    int whichFeature = getFeatureNumberForPoint(p);

    if (whichFeature != -1)
    {
      for (int i = 0; i < events.size(); i++)
      {
        ChunkVisInfo c = (ChunkVisInfo) events.elementAt(i);
        if (p.y >= 0 && p.y <= (currHeight * screenPercentage))
        {
          if (p.x >= c.xFeat && p.x <= (c.xFeat + c.width))
            chunks.add(c);
        }
        else if (p.y <= currHeight
            && p.y >= currHeight - (currHeight * screenPercentage))
        {
          if (p.x >= c.xEDL && p.x <= (c.xEDL + c.width))
            chunks.add(c);
        }

      }
    }

    return chunks;
  }

  public int getFeatureNumberForPoint(Point p)
  {
    int featureNumber = -1;

    if (featFile != null)
    {
      double scaledHeight = currHeight * screenPercentage;
      int blipHeight = (int) (scaledHeight / numFeatures);
      // this only happens when we start up if the mouse moves over
      // display
      // before file is fully loaded/drawn
      if (blipHeight == 0)
        return featureNumber;

      int whichFeature = p.y / blipHeight;

      // try top
      if (whichFeature < numFeatures && whichFeature >= 0)
      {
        featureNumber = whichFeature;
        return featureNumber;
      }

      // try bottom
      whichFeature = (currHeight - p.y) / blipHeight;
      if (whichFeature < numFeatures && whichFeature >= 0)
      {
        featureNumber = whichFeature;
        return featureNumber;
      }
    }

    return featureNumber;
  }

  public String getFeatureNameForPoint(Point p)
  {
    String featureName = "i don't know!";

    int whichFeature = getFeatureNumberForPoint(p);

    if (whichFeature != -1)
    {
      String fullFeatureName = (String) featFile.featureDescriptions
          .elementAt(whichFeature);
      // we're splitting on "." but have to use an escape sequence!
      String[] chunks = fullFeatureName.split("\\.");
      featureName = chunks[chunks.length - 1];
    }

    return featureName;
  }

  public double getFeatureValueForPoint(Point p)
  {
    double value = 0.0;

    int whichFeature = getFeatureNumberForPoint(p);

    if (whichFeature != -1)
    {
      for (int i = 0; i < events.size(); i++)
      {
        ChunkVisInfo cVI = (ChunkVisInfo) events.elementAt(i);

        if (p.y >= 0 && p.y <= (currHeight * screenPercentage))
        {
          if (p.x >= cVI.xFeat && p.x <= cVI.xFeat + cVI.width)
          {
            int[] featNum = { 0 };

            for (int j = 0; j < whichFeature; j++)
              featNum[0] += elementsPerFeature[j];
            value = cVI.getFeatures(featNum)[0];
            return value;
          }
        }

        else if (p.y <= currHeight
            && p.y >= currHeight - (currHeight / 4))
        {
          if (p.x >= cVI.xEDL && p.x <= cVI.xEDL + cVI.width)
          {
            int[] featNum = { 0 };

            for (int j = 0; j < whichFeature; j++)
              featNum[0] += elementsPerFeature[j];
            value = cVI.getFeatures(featNum)[0];
            return value;
          }
        }

      }
    }

    return value;
  }

  public void rangeFilterSelectionChanged()
  {
  }

  public void setDragRect(Rectangle r, boolean dS)
  {
    dragRect = r;
    dragShift = dS;

    if (!dragShift)
    {
      selectNone();
    }

    for (int i = 0; i < events.size(); i++)
    {
      ChunkVisInfo cVI = (ChunkVisInfo) events.elementAt(i);
      Rectangle chunkRect = null;

      if (dragRect.y < currHeight / 2)
      {
        chunkRect = new Rectangle(cVI.xFeat, cVI.yFeat, cVI.width,
            cVI.height);
      }
      else
      {
        chunkRect = new Rectangle(cVI.xEDL, cVI.yEDL, cVI.width,
            cVI.height);
      }
      if ((dragRect.x >= chunkRect.x && dragRect.x <= chunkRect.x
          + chunkRect.width)
          || (dragRect.x + dragRect.width >= chunkRect.x && dragRect.x
              + dragRect.width <= chunkRect.x + chunkRect.width)
          || (dragRect.x <= chunkRect.x && dragRect.x
              + dragRect.width >= chunkRect.x + chunkRect.width))
        cVI.selected = true;
    }

    dragRect = null;
    dragShift = false;

    drawingPanel.repaint();
  }

  public void actionPerformed(ActionEvent arg0)
  {
    super.actionPerformed(arg0);

    Object source = arg0.getSource();

    if (source == multiLines)
    {
      JCheckBox cb = (JCheckBox) source;

      multi = cb.isSelected();
    }
    if (source == thickLines)
    {
      JCheckBox cb = (JCheckBox) source;

      thick = cb.isSelected();
    }
  }

  public JPanel buildGUI(Color bgColor)
  {
    JPanel panel = super.buildGUI(bgColor);

    JPanel linesPanel = new JPanel();
    linesPanel.setBackground(bgColor);
    linesPanel.setLayout(new BoxLayout(linesPanel, BoxLayout.Y_AXIS));

    multiLines = new JCheckBox("multi lines");
    multiLines.setBackground(bgColor);
    multiLines.addActionListener(this);// dPanel);
    linesPanel.add(multiLines);

    thickLines = new JCheckBox("thick lines");
    thickLines.setBackground(bgColor);
    thickLines.addActionListener(this);// dPanel);
    linesPanel.add(thickLines);

    controlsPanel.add(linesPanel);

    return panel;
  }

}
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