/**
* Returns the preferred size of the viewport for a view component. For example the preferredSize
* of a JList component is the size required to acommodate all of the cells in its list however
* the value of preferredScrollableViewportSize is the size required for
* JList.getVisibleRowCount() rows. A component without any properties that would effect the
* viewport size should just return getPreferredSize() here.
*
* @return The preferredSize of a JViewport whose view is this Scrollable.
* @see JViewport#getPreferredSize
*/
public Dimension getPreferredScrollableViewportSize() {
Dimension size = getPreferredSize();
Dimension retval = new Dimension();
retval.width = size.width > 600 ? 600 : size.width;
retval.height = size.height > 400 ? 400 : size.height;
return retval;
}
/**
* Query the maximum image size allowed.
*
* @return the maximum image size allowed.
*/
public Dimension getMaximumSize() {
final Dimension retval = new Dimension();
final Hashtable depthMap = getDepthMap();
int item = 0;
synchronized (getActiveVector()) {
final Enumeration keys = getDepthMap().keys();
while (keys.hasMoreElements()) {
final Bookmark bookmark = (Bookmark) keys.nextElement();
final Rectangle bounds = getTextBounds(item++, bookmark, depthMap.get(bookmark));
final int width = bounds.x + bounds.width;
if (width > retval.width) {
retval.width = width;
}
retval.height = bounds.y + bounds.height;
}
}
retval.width += (2 * getFontMetrics(getFont()).getMaxAdvance());
retval.height += (2 * getFontHeight());
return retval;
}
public void setSizeRatio(double x, double y) {
xRatio = x;
yRatio = y;
if (x > 1.0) xRatio = x - 1.0;
if (y > 1.0) yRatio = y - 1.0;
if (defDim.width <= 0) defDim = getPreferredSize();
curLoc.x = (int) ((double) defLoc.x * xRatio);
curLoc.y = (int) ((double) defLoc.y * yRatio);
curDim.width = (int) ((double) defDim.width * xRatio);
curDim.height = (int) ((double) defDim.height * yRatio);
if (!inEditMode) setBounds(curLoc.x, curLoc.y, curDim.width, curDim.height);
}
/**
* Sets the size of the Popup window using a <code>Dimension</code> object. This is equivalent to
* <code>setPreferredSize(d)</code>.
*
* @param d the <code>Dimension</code> specifying the new size of this component.
* @beaninfo description: The size of the popup menu
*/
public void setPopupSize(Dimension d) {
Dimension oldSize = getPreferredSize();
setPreferredSize(d);
if (popup != null) {
Dimension newSize = getPreferredSize();
if (!oldSize.equals(newSize)) {
popup = getPopup();
}
}
}
public void setEditMode(boolean s) {
twin.setEditMode(s);
setOpaque(s);
if (s) {
addMouseListener(ml);
curLoc.x = defLoc.x;
curLoc.y = defLoc.y;
defDim = getPreferredSize();
curDim.width = defDim.width;
curDim.height = defDim.height;
} else removeMouseListener(ml);
inEditMode = s;
}
public void reshape(int x, int y, int w, int h) {
if (inEditMode) {
defLoc.x = x;
defLoc.y = y;
defDim.width = w;
defDim.height = h;
}
curLoc.x = x;
curLoc.y = y;
curDim.width = w;
curDim.height = h;
super.reshape(x, y, w, h);
}
public void setSizeRatio(double x, double y) {
double rx = x;
double ry = y;
if (rx > 1.0) rx = x - 1.0;
if (ry > 1.0) ry = y - 1.0;
if (defDim.width <= 0) defDim = getPreferredSize();
curLoc.x = (int) ((double) defLoc.x * rx);
curLoc.y = (int) ((double) defLoc.y * ry);
curDim.width = (int) ((double) defDim.width * rx);
curDim.height = (int) ((double) defDim.height * ry);
if (!inEditMode) setBounds(curLoc.x, curLoc.y, curDim.width, curDim.height);
twin.setSizeRatio(x, y);
}
protected void resizeDesktop() {
int x = 0;
int y = 0;
JScrollPane scrollPane = getScrollPane();
Insets scrollInsets = getScrollPaneInsets();
if (scrollPane != null) {
JInternalFrame allFrames[] = desktop.getAllFrames();
for (int i = 0; i < allFrames.length; i++) {
if (allFrames[i].getX() + allFrames[i].getWidth() > x) {
x = allFrames[i].getX() + allFrames[i].getWidth();
}
if (allFrames[i].getY() + allFrames[i].getHeight() > y) {
y = allFrames[i].getY() + allFrames[i].getHeight();
}
}
Dimension d = scrollPane.getVisibleRect().getSize();
if (scrollPane.getBorder() != null) {
d.setSize(
d.getWidth() - scrollInsets.left - scrollInsets.right,
d.getHeight() - scrollInsets.top - scrollInsets.bottom);
}
if (x <= d.getWidth()) x = ((int) d.getWidth()) - 20;
if (y <= d.getHeight()) y = ((int) d.getHeight()) - 20;
desktop.setAllSize(x, y);
scrollPane.invalidate();
scrollPane.validate();
}
}
public void reshape(int x, int y, int w, int h) {
if (inEditMode) {
defLoc.x = x;
defLoc.y = y;
defDim.width = w;
defDim.height = h;
}
curLoc.x = x;
curLoc.y = y;
curDim.width = w;
curDim.height = h;
if (!inEditMode) {
if ((h != nHeight) || (h < rHeight)) {
adjustFont(w, h);
}
}
super.reshape(x, y, w, h);
}
/** Calculate the width needed to display the maximum line number */
private void setPreferredWidth() {
Element root = component.getDocument().getDefaultRootElement();
int lines = root.getElementCount();
int digits = Math.max(String.valueOf(lines).length(), minimumDisplayDigits);
// Update sizes when number of digits in the line number changes
if (lastDigits != digits) {
lastDigits = digits;
FontMetrics fontMetrics = getFontMetrics(getFont());
int width = fontMetrics.charWidth('0') * digits;
Insets insets = getInsets();
int preferredWidth = insets.left + insets.right + width;
Dimension d = getPreferredSize();
d.setSize(preferredWidth, HEIGHT);
setPreferredSize(d);
setSize(d);
}
}
public void setEditMode(boolean s) {
if (s) {
addMouseListener(ml);
setOpaque(s);
if (font != null) {
setFont(font);
fontH = font.getSize();
rHeight = fontH;
}
defDim = getPreferredSize();
curLoc.x = defLoc.x;
curLoc.y = defLoc.y;
curDim.width = defDim.width;
curDim.height = defDim.height;
xRatio = 1.0;
yRatio = 1.0;
} else {
removeMouseListener(ml);
if ((bg != null) || (isActive < 1)) setOpaque(true);
else setOpaque(false);
}
inEditMode = s;
}
// Set the width/height of columns/rows by the largest rendering entry
private void customiseMinimumDimensions(Dimension dim, int row, int column) {
TableColumn tableColumn = getColumnModel().getColumn(column);
// this required extra margin padding is a mystery to me...
dim.setSize(dim.width + getColumnMargin(), dim.height + getRowMargin());
// potential bug: refresh() is needed to reduce size of unusually large temporary entries
if (tableColumn.getWidth() < dim.width) {
tableColumn.setMinWidth(dim.width);
if (column == 0) {
tableColumn.setMaxWidth(dim.width);
}
}
if (getRowHeight(row) < dim.height) {
setRowHeight(row, dim.height);
}
}
public void setNormalSize() {
JScrollPane scrollPane = getScrollPane();
int x = 0;
int y = 0;
Insets scrollInsets = getScrollPaneInsets();
if (scrollPane != null) {
Dimension d = scrollPane.getVisibleRect().getSize();
if (scrollPane.getBorder() != null) {
d.setSize(
d.getWidth() - scrollInsets.left - scrollInsets.right,
d.getHeight() - scrollInsets.top - scrollInsets.bottom);
}
d.setSize(d.getWidth() - 20, d.getHeight() - 20);
desktop.setAllSize(x, y);
scrollPane.invalidate();
scrollPane.validate();
}
}
public void componentResized(ComponentEvent e) {
Dimension dim = getSize();
dim.height -= 75;
dim.width -= 50;
graph.setDimensions(dim);
}
