// Many of the following methods have been added purely
// so InternalFunctions can work. Originally, the code in
// that class was inline here, so its functions had direct
// access. I removed it so that students do not need to wade
// through all the functions! But, that leaves the question as
// to what to do with the following methods, but I don't think
// there's much you can do ...
public void changeSize(int width, int height) {
setSize(width, height);
Component top = splitPane.getTopComponent();
Component bottom = splitPane.getBottomComponent();
int totalHeight = top.getHeight() + bottom.getHeight();
int topHeight = (totalHeight * topProportion) / 100;
int bottomHeight = (totalHeight * bottomProportion) / 100;
top.setPreferredSize(new Dimension(width - 10, topHeight));
bottom.setPreferredSize(new Dimension(width - 10, bottomHeight));
splitPane.resetToPreferredSizes();
pack();
}
@Override
public void mouseMoved(MouseEvent e) {
Component source = e.getComponent();
Point location = e.getPoint();
direction = 0;
if (location.x < dragInsets.left) direction += WEST;
if (location.x > source.getWidth() - dragInsets.right - 1) direction += EAST;
if (location.y < dragInsets.top) direction += NORTH;
if (location.y > source.getHeight() - dragInsets.bottom - 1) direction += SOUTH;
// Mouse is no longer over a resizable border
if (direction == 0) {
source.setCursor(sourceCursor);
} else // use the appropriate resizable cursor
{
int cursorType = cursors.get(direction);
Cursor cursor = Cursor.getPredefinedCursor(cursorType);
source.setCursor(cursor);
}
}
public void show(Component invoker, int x, int y) {
if (invoker != null) {
y += invoker.getHeight(); // add the height of the invoker to
// locate the popup at the bottom of
// this invoker
}
super.show(invoker, x, y);
}
public synchronized void paintIcon(Component c, Graphics g, int x, int y) {
g.setColor(Color.white);
g.fillRect(0, 0, c.getWidth(), c.getHeight());
if (getImageObserver() == null) {
g.drawImage(
getImage(),
c.getWidth() / 2 - getIconWidth() / 2,
c.getHeight() / 2 - getIconHeight() / 2,
c);
} else {
g.drawImage(
getImage(),
c.getWidth() / 2 - getIconWidth() / 2,
c.getHeight() / 2 - getIconHeight() / 2,
getImageObserver());
}
}
/** {@inheritDoc} */
@Override
public void mouseDragged(final MouseEvent aEvent) {
final MouseEvent event = convertEvent(aEvent);
final Point point = event.getPoint();
// Update the selected channel while dragging...
this.controller.setSelectedChannel(point);
if (getModel().isCursorMode() && (this.movingCursor >= 0)) {
this.controller.moveCursor(this.movingCursor, getCursorDropPoint(point));
aEvent.consume();
} else {
if ((this.lastClickPosition == null)
&& ((aEvent.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) != 0)) {
this.lastClickPosition = new Point(point);
}
final JScrollPane scrollPane =
getAncestorOfClass(JScrollPane.class, (Component) aEvent.getSource());
if ((scrollPane != null) && (this.lastClickPosition != null)) {
final JViewport viewPort = scrollPane.getViewport();
final Component signalView = this.controller.getSignalDiagram().getSignalView();
boolean horizontalOnly = (aEvent.getModifiersEx() & InputEvent.ALT_DOWN_MASK) != 0;
boolean verticalOnly =
horizontalOnly && ((aEvent.getModifiersEx() & InputEvent.SHIFT_DOWN_MASK) != 0);
int dx = aEvent.getX() - this.lastClickPosition.x;
int dy = aEvent.getY() - this.lastClickPosition.y;
Point scrollPosition = viewPort.getViewPosition();
int newX = scrollPosition.x;
if (!verticalOnly) {
newX -= dx;
}
int newY = scrollPosition.y;
if (verticalOnly || !horizontalOnly) {
newY -= dy;
}
int diagramWidth = signalView.getWidth();
int viewportWidth = viewPort.getWidth();
int maxX = diagramWidth - viewportWidth - 1;
scrollPosition.x = Math.max(0, Math.min(maxX, newX));
int diagramHeight = signalView.getHeight();
int viewportHeight = viewPort.getHeight();
int maxY = diagramHeight - viewportHeight;
scrollPosition.y = Math.max(0, Math.min(maxY, newY));
viewPort.setViewPosition(scrollPosition);
}
// Use UNCONVERTED/ORIGINAL mouse event!
handleZoomRegion(aEvent, this.lastClickPosition);
}
}
public void paintIcon(Component c, Graphics g, int x, int y) {
Color oldColor = g.getColor();
boolean enabled = c.isEnabled();
boolean pressed = false;
if (c instanceof JButton) {
pressed = ((JButton) c).getModel().isPressed();
}
int i = 0;
int j = 0;
int w = Math.min(width, c.getWidth());
int h = c.getHeight();
if (h < 5 || w < 5) { // not enough space for the arrow
g.setColor(oldColor);
return;
}
int size = Math.min(h / 2, w / 2);
size = Math.max(size, 2);
int mid = size / 2;
x = ((w - size) / 2); // center arrow
y = (h - size) / 2; // center arrow
if (pressed) {
x++;
y++;
}
g.translate(x, y); // move the x,y origin in the graphic
if (enabled) g.setColor(UIManager.getColor("controlDkShadow")); // NOT
// LOCALIZABLE
else g.setColor(UIManager.getColor("controlShadow")); // NOT
// LOCALIZABLE
if (!enabled) {
g.translate(1, 1);
g.setColor(UIManager.getColor("controlLtHighlight")); // NOT
// LOCALIZABLE
for (i = size - 1; i >= 0; i--) {
g.drawLine(mid - i, j, mid + i, j);
j++;
}
g.translate(-1, -1);
g.setColor(UIManager.getColor("controlShadow")); // NOT
// LOCALIZABLE
}
j = 0;
for (i = size - 1; i >= 0; i--) {
g.drawLine(mid - i, j, mid + i, j);
j++;
}
g.translate(-x, -y);
g.setColor(oldColor);
}
/**
* Extracts the buffered image of some component
*
* @param myComponent the component for which the BufferedImage is required
* @param region region to be captured
* @return the BufferedImage which has the current condition of component
* @throws IOException
*/
public static BufferedImage Get_Component_Image(Component myComponent, Rectangle region)
throws IOException {
BufferedImage img =
new BufferedImage(
myComponent.getWidth(), myComponent.getHeight(), BufferedImage.TYPE_INT_RGB);
Graphics g = img.getGraphics();
myComponent.paint(g);
g.dispose();
return img;
}
public void paint(Graphics g) {
if (comp != null) {
width = comp.getWidth() / 6;
height = comp.getHeight() * 2 / 3;
}
g.setColor(bgColor);
g.fillRect(x, y, width, height);
g.setColor(fgColor);
g.setFont(font);
g.drawString(strTray, x / 2 + width / 2, y + height + 10);
super.paint(g);
}
/**
* Returns the component in the currently selected path which contains sourcePoint.
*
* @param source The component in whose coordinate space sourcePoint is given
* @param sourcePoint The point which is being tested
* @return The component in the currently selected path which contains sourcePoint (relative to
* the source component's coordinate space. If sourcePoint is not inside a component on the
* currently selected path, null is returned.
*/
public Component componentForPoint(Component source, Point sourcePoint) {
int screenX, screenY;
Point p = sourcePoint;
int i, c, j, d;
Component mc;
Rectangle r2;
int cWidth, cHeight;
MenuElement menuElement;
MenuElement subElements[];
Vector<MenuElement> tmp;
int selectionSize;
SwingUtilities.convertPointToScreen(p, source);
screenX = p.x;
screenY = p.y;
tmp = (Vector<MenuElement>) selection.clone();
selectionSize = tmp.size();
for (i = selectionSize - 1; i >= 0; i--) {
menuElement = (MenuElement) tmp.elementAt(i);
subElements = menuElement.getSubElements();
for (j = 0, d = subElements.length; j < d; j++) {
if (subElements[j] == null) continue;
mc = subElements[j].getComponent();
if (!mc.isShowing()) continue;
if (mc instanceof JComponent) {
cWidth = mc.getWidth();
cHeight = mc.getHeight();
} else {
r2 = mc.getBounds();
cWidth = r2.width;
cHeight = r2.height;
}
p.x = screenX;
p.y = screenY;
SwingUtilities.convertPointFromScreen(p, mc);
/**
* Return the deepest component on the selection path in whose bounds the event's point
* occurs
*/
if (p.x >= 0 && p.x < cWidth && p.y >= 0 && p.y < cHeight) {
return mc;
}
}
}
return null;
}
/*@Override*/ public void paintIcon(Component c, Graphics g, int x, int y) {
final boolean expandToFit = (mWidth < 1);
if (DEBUG.IMAGE && DEBUG.META)
out(
"paintIcon; onto="
+ GUI.name(c)
+ " painter="
+ GUI.name(mPainter)
+ "@"
+ Integer.toHexString((mPainter.hashCode())));
if (mPainter == null) {
// note this means repaint updates would stop in a new parent,
// tho assuming it's loaded by then, regular paints would work fine.
mPainter = c;
}
if (DrawBorder && !expandToFit) {
g.setColor(Color.gray);
g.drawRect(x, y, mWidth - 1, mHeight - 1);
}
if (mImage == null) {
if (!isLoading /*&& mPreviewData != null*/) {
synchronized (this) {
if (!isLoading /*&& mPreviewData != null*/)
VUE.invokeAfterAWT(ResourceIcon.this); // load the preview
}
}
g.setColor(Color.gray);
g.drawRect(x, y, mWidth - 1, mHeight - 1);
return;
}
int fitWidth, fitHeight;
final Dimension maxImageSize;
if (expandToFit) {
// fill the given component
fitWidth = c.getWidth();
fitHeight = c.getHeight();
maxImageSize = c.getSize();
} else {
// paint at our fixed size
fitWidth = mWidth;
fitHeight = mHeight;
if (DrawBorder)
maxImageSize = new Dimension(fitWidth - BorderSpace * 2, fitHeight - BorderSpace * 2);
else maxImageSize = new Dimension(fitWidth, fitHeight);
if (DEBUG.IMAGE && DEBUG.META) out("paintIcon; into " + GUI.name(maxImageSize));
}
double zoomFit;
if (mImage == NoImage && expandToFit) {
zoomFit = 1;
} else {
Rectangle2D imageBounds;
if (CropToSquare) {
// square off image, then fit in icon (todo: better; crop to icon)
int smallestAxis = mImageWidth > mImageHeight ? mImageHeight : mImageWidth;
imageBounds = new Rectangle2D.Float(0, 0, smallestAxis, smallestAxis);
} else {
// fit entire image in icon
imageBounds = new Rectangle2D.Float(0, 0, mImageWidth, mImageHeight);
}
zoomFit = ZoomTool.computeZoomFit(maxImageSize, 0, imageBounds, null, false);
if (zoomFit > MaxZoom) zoomFit = MaxZoom;
}
final int drawW = (int) (mImageWidth * zoomFit + 0.5);
final int drawH = (int) (mImageHeight * zoomFit + 0.5);
int xoff = x;
int yoff = y;
// center if drawable area is bigger than image
if (drawW != fitWidth) xoff += (fitWidth - drawW) / 2;
if (drawH != fitHeight) yoff += (fitHeight - drawH) / 2;
Shape oldClip = null;
if (CropToSquare && !expandToFit) {
oldClip = g.getClip();
g.clipRect(x, y, mWidth, mHeight);
}
if (DEBUG.IMAGE && DEBUG.META)
out("paintIcon; " + Util.tag(mImage) + " as " + drawW + "x" + drawH);
g.drawImage(mImage, xoff, yoff, drawW, drawH, null);
if (DEBUG.BOXES) {
g.setColor(Color.green);
((Graphics2D) g)
.setComposite(
java.awt.AlphaComposite.getInstance(java.awt.AlphaComposite.SRC_OVER, 0.2f));
g.drawRect(x, y, mWidth - 1, mHeight - 1);
((Graphics2D) g).setComposite(java.awt.AlphaComposite.SrcOver);
}
if (CropToSquare && !expandToFit) g.setClip(oldClip);
}
private ArrayList<SoundSample> getSampleAsArrayList(Selection selection, Component c) {
ArrayList<SoundSample> points = new ArrayList<SoundSample>();
// System.err.println(c.getHeight());
int sampleBeginIndex = selection.getBegin();
int sampleEndIndex = selection.getEnd();
if (!checkRange(sampleBeginIndex, sampleEndIndex)) {
System.err.println(
"The range of sample ("
+ sampleBeginIndex
+ " , "
+ sampleEndIndex
+ ") you are trying to visualize is invalid");
} else {
int selectionLength = sampleEndIndex - sampleBeginIndex + 1;
float maxValue = myHelper.getMaxSampleValue();
samplePerPixel = selectionLength * 1.0 / frameWidth;
if (DEBUG) System.err.println("getSamples: sample per pixel " + samplePerPixel);
if (selectionLength
< frameWidth) { // if every sample can be displayed (i.e at least 1 pixel per sample)
if (DEBUG) System.err.println("getSamples: Everything can be displayed " + selectionLength);
int ratio = (int) Math.floor(frameWidth / selectionLength);
if (DEBUG) System.err.println("getSamples: ratio " + ratio);
int occupyPixels = ratio * selectionLength;
selectionLength =
selectionLength
+ (frameWidth - occupyPixels)
/ ratio; // fill up the display space with a few more samples
if (DEBUG) System.err.println("getSamples: selection length " + selectionLength);
if (selectionLength + sampleBeginIndex - 1 > data.size()) {
selectionLength -= selectionLength + sampleBeginIndex - 1 - data.size();
}
if (DEBUG) System.err.println("getSamples: Final selection length " + selectionLength);
for (int i = 0; i < selectionLength; i++) {
float sampleValue = data.get(sampleBeginIndex + i - 1);
float y = ((float) Math.floor(c.getHeight() / 2) * (1 - sampleValue / maxValue));
points.add(
new SoundSample(new Point2D.Float(i * ratio, y), sampleValue, sampleBeginIndex + i));
}
} else if (selectionLength / 2 < frameWidth) { // we can sample at Nyquist rate
// System.err.println("Sample begin " + sampleBeginIndex );
int start = sampleBeginIndex;
for (int pixel = 0; pixel < frameWidth; pixel++) {
// System.err.println("Sample index " + (start+ samplePerPixel * pixel) );
int sampleValue = data.get((int) Math.floor(start + samplePerPixel * pixel));
// int sampleValue = findMax(start, end);
float y =
((float) Math.floor(c.getHeight() / 2)
- (sampleValue * ((float) Math.floor(c.getHeight() / 2) / maxValue)));
points.add(new SoundSample(new Point2D.Float(pixel, y), sampleValue, pixel));
}
} else { // show general contour
int start = sampleBeginIndex;
int end = (int) (sampleBeginIndex + this.samplePerPixel);
int baseLine = c.getHeight() / 2;
for (int pixel = 0; pixel < frameWidth; pixel++) {
ArrayList<Integer> minMax = findMinMax(start, end);
// System.err.println(minMax);
float y = baseLine - (minMax.get(0) * 0.9f / maxValue * baseLine);
points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(0), pixel));
y = baseLine - (minMax.get(0) * 0.7f / maxValue * baseLine);
points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(0) / 2, pixel));
// System.err.print("Min y: " + y + " ");
y = baseLine - (minMax.get(1) * 0.9f / maxValue * baseLine);
points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(1) / 2, pixel));
y = baseLine - (minMax.get(1) * 0.7f / maxValue * baseLine);
points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(1), pixel));
// if (y > c.getHeight())
// System.err.println("not right");
start = end + 1;
end = (int) (end + samplePerPixel);
}
}
}
return points;
}
public void showUnderneathOf(@NotNull Component aComponent) {
show(new RelativePoint(aComponent, new Point(0, aComponent.getHeight())));
}
// ----------------------------------------------------------------------------
/**
* When a MenuElement receives an event from a MouseListener, it should never process the event
* directly. Instead all MenuElements should call this method with the event.
*
* @param event a MouseEvent object
*/
public void processMouseEvent(MouseEvent event) {
int screenX, screenY;
Point p;
int i, c, j, d;
Component mc;
Rectangle r2;
int cWidth, cHeight;
MenuElement menuElement;
MenuElement subElements[];
MenuElement path[];
Vector<MenuElement> tmp;
int selectionSize;
p = event.getPoint();
Component source = event.getComponent();
if ((source != null) && !source.isShowing()) {
// This can happen if a mouseReleased removes the
// containing component -- bug 4146684
return;
}
int type = event.getID();
int modifiers = event.getModifiers();
// 4188027: drag enter/exit added in JDK 1.1.7A, JDK1.2
if ((type == MouseEvent.MOUSE_ENTERED || type == MouseEvent.MOUSE_EXITED)
&& ((modifiers
& (InputEvent.BUTTON1_MASK | InputEvent.BUTTON2_MASK | InputEvent.BUTTON3_MASK))
!= 0)) {
return;
}
if (source != null) {
SwingUtilities.convertPointToScreen(p, source);
}
screenX = p.x;
screenY = p.y;
tmp = (Vector<MenuElement>) selection.clone();
selectionSize = tmp.size();
boolean success = false;
for (i = selectionSize - 1; i >= 0 && success == false; i--) {
menuElement = (MenuElement) tmp.elementAt(i);
subElements = menuElement.getSubElements();
path = null;
for (j = 0, d = subElements.length; j < d && success == false; j++) {
if (subElements[j] == null) continue;
mc = subElements[j].getComponent();
if (!mc.isShowing()) continue;
if (mc instanceof JComponent) {
cWidth = mc.getWidth();
cHeight = mc.getHeight();
} else {
r2 = mc.getBounds();
cWidth = r2.width;
cHeight = r2.height;
}
p.x = screenX;
p.y = screenY;
SwingUtilities.convertPointFromScreen(p, mc);
/**
* Send the event to visible menu element if menu element currently in the selected path or
* contains the event location
*/
if ((p.x >= 0 && p.x < cWidth && p.y >= 0 && p.y < cHeight)) {
int k;
if (path == null) {
path = new MenuElement[i + 2];
for (k = 0; k <= i; k++) path[k] = (MenuElement) tmp.elementAt(k);
}
path[i + 1] = subElements[j];
MenuElement currentSelection[] = getSelectedPath();
// Enter/exit detection -- needs tuning...
if (currentSelection[currentSelection.length - 1] != path[i + 1]
&& (currentSelection.length < 2
|| currentSelection[currentSelection.length - 2] != path[i + 1])) {
Component oldMC = currentSelection[currentSelection.length - 1].getComponent();
MouseEvent exitEvent =
new MouseEvent(
oldMC,
MouseEvent.MOUSE_EXITED,
event.getWhen(),
event.getModifiers(),
p.x,
p.y,
event.getXOnScreen(),
event.getYOnScreen(),
event.getClickCount(),
event.isPopupTrigger(),
MouseEvent.NOBUTTON);
currentSelection[currentSelection.length - 1].processMouseEvent(exitEvent, path, this);
MouseEvent enterEvent =
new MouseEvent(
mc,
MouseEvent.MOUSE_ENTERED,
event.getWhen(),
event.getModifiers(),
p.x,
p.y,
event.getXOnScreen(),
event.getYOnScreen(),
event.getClickCount(),
event.isPopupTrigger(),
MouseEvent.NOBUTTON);
subElements[j].processMouseEvent(enterEvent, path, this);
}
MouseEvent mouseEvent =
new MouseEvent(
mc,
event.getID(),
event.getWhen(),
event.getModifiers(),
p.x,
p.y,
event.getXOnScreen(),
event.getYOnScreen(),
event.getClickCount(),
event.isPopupTrigger(),
MouseEvent.NOBUTTON);
subElements[j].processMouseEvent(mouseEvent, path, this);
success = true;
event.consume();
}
}
}
}
