package org.autoplot.pngwalk; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.RenderingHints; import java.awt.Shape; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseWheelListener; import java.awt.image.BufferedImage; import java.beans.PropertyChangeEvent; import java.util.List; import java.util.Timer; import java.util.TimerTask; import java.util.logging.Level; import javax.swing.JComponent; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.Scrollable; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import org.das2.datum.DatumRange; import org.das2.datum.Units; /** * * @author Ed Jackson */ public class GridPngWalkView extends PngWalkView { private int thumbSize = 100; private int nCols = 1; //private static final int MIN_THUMB_SIZE = 20; //private static final int MAX_THUMB_SIZE = 300; private JScrollPane scrollPane; private GridViewCanvas canvas; private double restoreScrollPct = -1; /** * time limit where we stop getting new thumbnails, so that the event queue doesn't get blocked. */ public static final int PAINT_THUMB_TIMEOUT_MS = 200; public GridPngWalkView(WalkImageSequence sequence) { super(sequence); setShowCaptions(true); setLayout(new java.awt.BorderLayout()); canvas = new GridViewCanvas(); scrollPane = new JScrollPane(canvas); scrollPane.setPreferredSize( new Dimension(640,640) ); MouseWheelListener[] ll= scrollPane.getMouseWheelListeners(); for ( MouseWheelListener l : ll ) scrollPane.removeMouseWheelListener( l ); scrollPane.addMouseWheelListener( getMouseWheelListener() ); MouseAdapter ma= new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { if (seq == null) return; selectCellAt(e.getX(), e.getY()); } @Override public void mousePressed(MouseEvent e) { if ( e.isPopupTrigger() ) { if (seq == null) return; selectCellAt(e.getX(), e.getY()); getPopup().show(e.getComponent(),e.getX(), e.getY()); } } @Override public void mouseReleased(MouseEvent e) { super.mouseReleased(e); if ( e.isPopupTrigger() ) { getPopup().show(e.getComponent(),e.getX(), e.getY()); } } // public void mouseDragged(MouseEvent e) { // if ( p0!=null ) { // Point p2= e.getPoint(); // selectCellsWithin(p0,p2); // } // } }; canvas.addMouseListener(ma); //canvas.addMouseMotionListener(ma); canvas.addComponentListener(new ComponentAdapter() { @Override public void componentResized(ComponentEvent e) { nCols = getWidth() / thumbSize; if (nCols == 0) nCols = 1; // Thumbnail set restoreScroll, indicating we need to adjust scroll if (restoreScrollPct >= 0) { javax.swing.JScrollBar sb = scrollPane.getVerticalScrollBar(); int newScroll = (int)(restoreScrollPct * (sb.getMaximum()-sb.getVisibleAmount())); sb.setValue(newScroll); restoreScrollPct = -1; } updateLayout(); } }); scrollPane.getVerticalScrollBar().getModel().addChangeListener(new ChangeListener() { Timer repaintTimer = new Timer("GridViewRepaintDelay", true); TimerTask task; public void stateChanged(ChangeEvent e) { // Cancel any pending timer events if (task != null) task.cancel(); if (seq == null) return; if ( !canvas.isShowing() ) return; // Schedule a new one task = new TimerTask() { public void run() { Rectangle bounds = scrollPane.getViewport().getViewRect(); int rowMin = bounds.y / thumbSize; int rowMax = Math.min((bounds.y + bounds.height) / thumbSize + 1, seq.size() / nCols + 1); int colMin = Math.min(bounds.x / thumbSize, nCols); int colMax = Math.min((bounds.x + bounds.width) / thumbSize + 1, nCols); for (int row = rowMin; row < rowMax; row++) { for (int col = colMin; col < colMax; col++) { int n = (row * nCols) + col; if (n >= seq.size()) { break; } seq.imageAt(n).getThumbnail(true); } } } }; repaintTimer.schedule(task, 200L); } }); add(scrollPane); } private void updateLayout() { if (canvas == null) return; if (seq != null) canvas.setPreferredSize(new Dimension(thumbSize*nCols, thumbSize*(seq.size()/nCols + 1))); else canvas.setPreferredSize(new Dimension(0,0)); canvas.revalidate(); canvas.repaint(); } @Override protected void sequenceChanged() { updateLayout(); if (scrollPane!=null) scrollPane.getVerticalScrollBar().setValue(0); } @Override protected void thumbnailSizeChanged() { // before resizing, figure out the (roughly) central image // int curScrollPos = scrollPane.getVerticalScrollBar().getValue() + scrollPane.getVerticalScrollBar().getVisibleAmount() / 2; // restoreScrollPct = curScrollPos/thumbSize * nCols + (nCols/2); javax.swing.JScrollBar sb = scrollPane.getVerticalScrollBar(); restoreScrollPct = ((double)sb.getValue() / (sb.getMaximum()-sb.getVisibleAmount())); // do the resize thumbSize= getThumbnailSize(); nCols = getWidth() / thumbSize; if (nCols == 0) nCols = 1; updateLayout(); // now scroll to place old central image in center (within scroll limits) // int newScroll = middleIndex/nCols * thumbSize - (scrollPane.getVerticalScrollBar().getVisibleAmount()-thumbSize)/2; // if (newScroll < 0) newScroll = 0; // scrollPane.getVerticalScrollBar().setValue(newScroll); super.thumbnailSizeChanged(); } @Override public JComponent getMouseTarget() { return canvas; } private void selectCellAt(int x, int y) { if (x > nCols * thumbSize) { return; } int col = x / thumbSize; int row = y / thumbSize; int n = row * nCols + col; if (n >= seq.size()) { return; } seq.setIndex(n); } // private void selectCellsWithin( Point p1, Point p2 ) { // if (p2.x > nCols * thumbSize) { // return; // } // int col1 = p1.x / thumbSize; // int row1 = p1.y / thumbSize; // int col2 = p2.x / thumbSize; // int row2 = p2.y / thumbSize; // if ( row2 sel= new ArrayList(); // for ( int j=row1; j<=row2; j++ ) { // for ( int i=col1; i<=col2; i++ ) { // int n = j * nCols + i; // if ( n y || scrollMax < y+thumbSize) { scrollPane.getVerticalScrollBar().setValue(pos); } } else if (e.getPropertyName().equals(WalkImageSequence.PROP_THUMB_LOADED) || e.getPropertyName().equals(WalkImageSequence.PROP_IMAGE_LOADED) || e.getPropertyName().equals(WalkImageSequence.PROP_BADGE_CHANGE) ) { int i = (Integer) e.getNewValue(); //System.err.printf("Image number %d finished loading%n", i); int y = (i / nCols) * thumbSize; int x = (i % nCols) * thumbSize; canvas.repaint(new Rectangle(x, y, thumbSize, thumbSize)); canvas.repaintSoon(); } else if (e.getPropertyName().equals(WalkImageSequence.PROP_SEQUENCE_CHANGED)) { sequenceChanged(); } } @Override int getNextInterval(int index) { return index+nCols; } @Override int getNextPage(int index) { return index+nCols*4; } @Override int getPrevInterval(int index) { return index-nCols; } @Override int getPrevPage(int index) { return index-nCols*4; } private class GridViewCanvas extends JPanel implements Scrollable { private Font smallFont = new Font("Dialog", Font.PLAIN, 6); //for use with small thumbnails private Font normalFont = new Font("Dialog", Font.PLAIN, 12); // this is the Java default GridViewCanvas() { repaintTimer = new javax.swing.Timer( 300, new ActionListener() { public void actionPerformed(ActionEvent e) { repaint(); } }); repaintTimer.setRepeats(false); } // kludge to work around repainting problem javax.swing.Timer repaintTimer; //int psn= 0; // paint sequence number private void repaintSoon( ) { repaintTimer.restart(); } @Override public void paintComponent(Graphics g1) { long t0= System.currentTimeMillis(); super.paintComponent(g1); Graphics2D g2 = (Graphics2D) g1; if (thumbSize < 100) g2.setFont(smallFont); else g2.setFont(normalFont); g2.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON ); if (seq == null) { return; } Rectangle bounds = g2.getClipBounds(); int rowMin = bounds.y / thumbSize; int rowMax = Math.min((bounds.y + bounds.height) / thumbSize + 1, seq.size() / nCols + 1); int colMin = Math.min(bounds.x / thumbSize, nCols); int colMax = Math.min((bounds.x + bounds.width) / thumbSize + 1, nCols); FontMetrics fm = g2.getFontMetrics(); List drs= seq.getActiveSubrange(); boolean outOfTime= false; for (int row = rowMin; row < rowMax; row++) { for (int col = colMin; col < colMax; col++) { int i = (row * nCols) + col; if (i >= seq.size()) { break; } // if (sel.contains(i)) { // Color oldColor = g2.getColor(); // g2.setColor(Color.orange); // g2.drawRect(col * thumbSize, row * thumbSize, thumbSize-1, thumbSize-1); // g2.setColor(oldColor); // } if (seq.getIndex() == i) { Color oldColor = g2.getColor(); g2.setColor(Color.orange); g2.fillRect(col * thumbSize, row * thumbSize, thumbSize, thumbSize); g2.setColor(oldColor); } //g2.draw(new Ellipse2D.Double(col * thumbSize + 2, row * thumbSize + 2, thumbSize - 4, thumbSize - 4)); WalkImage wimage = seq.imageAt(i); BufferedImage thumb = wimage.getThumbnail( false ); if ( thumb==null && wimage.getStatus()!=WalkImage.Status.SIZE_THUMB_LOADED ) { thumb = wimage.getThumbnail( !scrollPane.getVerticalScrollBar().getValueIsAdjusting() ); } Dimension thumbd= wimage.getThumbnailDimension(false); if (thumbd != null) { double s = Math.min((double) (thumbSize - 4) / thumbd.getWidth(), (double) (thumbSize - 4 - fm.getHeight()) / thumbd.getHeight()); if (s < 1.0) { int w = (int) (s * thumbd.getWidth()); int h = (int) (s * thumbd.getHeight()); outOfTime= outOfTime || System.currentTimeMillis()-t0 > PAINT_THUMB_TIMEOUT_MS; BufferedImage whthumb= wimage.getThumbnail(w,h,!outOfTime); thumb= whthumb; if ( thumb==loadingImage ) { this.repaintSoon(); } } else { if ( thumbSize==400 ) { // kludge because thumbnails aren't big enough for this mode. int w = (int) ( thumbd.getWidth()); int h = (int) ( thumbd.getHeight()); outOfTime= outOfTime || System.currentTimeMillis()-t0 > PAINT_THUMB_TIMEOUT_MS; BufferedImage whthumb= wimage.getThumbnail(w,h,!outOfTime); thumb= whthumb; if ( thumb==loadingImage ) { this.repaintSoon(); } } else { thumb = loadingImage; } } } else { if ( wimage.getStatus()==WalkImage.Status.MISSING ) { thumb= wimage.getImage(); } else { thumb = loadingImage; } } int imgX= col * thumbSize + (thumbSize - thumb.getWidth()) / 2; int imgY= row * thumbSize + (thumbSize - thumb.getHeight() - fm.getHeight()) / 2; g2.drawImage(thumb, imgX, imgY, null); if (PngWalkTool.isQualityControlEnabled() && seq.getQualityControlSequence()!=null ) { paintQualityControlIcon( i, g2, imgX, imgY, true ); } DatumRange dr= seq.getTimeSpan(); if ( dr!=null ) { try { int ds=6; if ( drs!=null && ( !seq.isShowMissing() && ( i0 ) ) ) { g2.setColor(Color.GRAY); int cx = col*thumbSize + (thumbSize ) - ds; int cy = row*thumbSize + (thumbSize ) - fm.getHeight() - 3; Shape oldClip = g2.getClip(); g2.clip(new Rectangle(cx, row*thumbSize, thumbSize, thumbSize)); g2.fillPolygon( new int[] { cx, cx+ds, cx+ds, cx }, new int[] { cy, cy-ds, cy, cy }, 4 ); g2.setClip(oldClip); } if ( drs!=null && i>0 && ( !seq.isShowMissing() && ( seq.imageAt(i).getDatumRange().min().subtract(seq.imageAt(i-1).getDatumRange().max()).doubleValue(Units.seconds)>0 ) ) ) { g2.setColor(Color.GRAY); int cx = col*thumbSize; int cy = row*thumbSize + (thumbSize ) - fm.getHeight() - 3; Shape oldClip = g2.getClip(); g2.clip(new Rectangle(cx, row*thumbSize, thumbSize, thumbSize)); g2.fillPolygon( new int[] { cx, cx, cx+ds, cx }, new int[] { cy, cy-ds, cy, cy }, 4 ); g2.setClip(oldClip); } } catch ( NullPointerException ex ) { logger.log(Level.SEVERE, ex.getMessage(), ex); } } if (showCaptions && wimage.getCaption()!=null) { //These 2 lines center caption below image //int cx = col*thumbSize + (thumbSize - fm.stringWidth(wimage.getCaption())) / 2; //cx = Math.max(cx,col*thumbSize + 2); //Instead, align to left edge of thumbnail: int cx = col*thumbSize + (thumbSize - thumb.getWidth())/2; int cy = row*thumbSize + (thumbSize + thumb.getHeight() + fm.getHeight())/2; g2.setColor(Color.BLACK); Shape oldClip = g2.getClip(); g2.clip(new Rectangle(cx, row*thumbSize, (thumbSize+thumb.getWidth())/2, thumbSize)); String s= wimage.getCaption(); if ( s.startsWith("orbit:") ) { s= s.substring(6); } if ( s.length()>20 && thumbSize<400 ) { g2.setFont(smallFont); } g2.drawString( s, cx, cy); g2.setClip(oldClip); } } } //System.err.printf("repaint gridPngWalkView (ms): %d\n", System.currentTimeMillis()-t0 ); // on 20120418, this was okay. } public Dimension getPreferredScrollableViewportSize() { return getPreferredSize(); } public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) { return thumbSize; } public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) { int x= (scrollPane.getVerticalScrollBar().getVisibleAmount() / thumbSize ) * thumbSize; return x; } public boolean getScrollableTracksViewportWidth() { return true; // Never scroll horizontally } public boolean getScrollableTracksViewportHeight() { return false; } } }