private E findStartingNodeForDeletion(E element) {
if (root == null) return null;
TreeNode<E> parent = null;
TreeNode<E> current = root;
while (current != null) {
if (element.compareTo(current.element) < 0) {
parent = current;
current = current.left;
} else if (element.compareTo(current.element) > 0) {
parent = current;
current = current.right;
} else break;
}
if (current == null) return null;
if (current.left == null) {
if (parent == null) {
return null;
} else {
return parent.element;
}
} else {
TreeNode<E> parentOfRightMost = current;
TreeNode<E> rightMost = current.left;
while (rightMost.right != null) {
parentOfRightMost = rightMost;
rightMost = rightMost.right;
}
return parentOfRightMost.element;
}
}
/**
* Performs enabled text painting.
*
* @param label label to process
* @param g2d graphics context
* @param text label text
* @param textX text X coordinate
* @param textY text Y coordinate
*/
protected void paintEnabledText(
final E label, final Graphics2D g2d, final String text, final int textX, final int textY) {
if (drawShade) {
g2d.setColor(label.getForeground());
paintShadowText(g2d, text, textX, textY);
} else {
final int mnemIndex = label.getDisplayedMnemonicIndex();
g2d.setColor(label.getForeground());
SwingUtils.drawStringUnderlineCharAt(g2d, text, mnemIndex, textX, textY);
}
}
/**
* Updates painted label layout and returns clipped or full label text.
*
* @param label label to process
* @param fm label font metrics
* @param width label width
* @param height label height
* @return clipped or full label text
*/
protected String layout(final E label, final FontMetrics fm, final int width, final int height) {
final Insets insets = label.getInsets(null);
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
final Rectangle paintViewR = new Rectangle();
paintViewR.x = insets.left;
paintViewR.y = insets.top;
paintViewR.width = width - (insets.left + insets.right);
paintViewR.height = height - (insets.top + insets.bottom);
paintIconR.x = paintIconR.y = paintIconR.width = paintIconR.height = 0;
paintTextR.x = paintTextR.y = paintTextR.width = paintTextR.height = 0;
return layoutCL(label, fm, text, icon, paintViewR, paintIconR, paintTextR);
}
@Override
protected void collectAdditionalElementsToRename(List<Pair<PsiElement, TextRange>> stringUsages) {
if (isReplaceAllOccurrences()) {
for (E expression : getOccurrences()) {
LOG.assertTrue(expression.isValid(), expression.getText());
stringUsages.add(
Pair.<PsiElement, TextRange>create(
expression, new TextRange(0, expression.getTextLength())));
}
} else if (getExpr() != null) {
correctExpression();
final E expr = getExpr();
LOG.assertTrue(expr.isValid(), expr.getText());
stringUsages.add(
Pair.<PsiElement, TextRange>create(expr, new TextRange(0, expr.getTextLength())));
}
final V localVariable = getLocalVariable();
if (localVariable != null) {
final PsiElement nameIdentifier = localVariable.getNameIdentifier();
if (nameIdentifier != null) {
int length = nameIdentifier.getTextLength();
stringUsages.add(
Pair.<PsiElement, TextRange>create(nameIdentifier, new TextRange(0, length)));
}
}
}
/**
* Performs disabled text painting.
*
* @param label label to process
* @param g2d graphics context
* @param text label text
* @param textX text X coordinate
* @param textY text Y coordinate
*/
protected void paintDisabledText(
final E label, final Graphics2D g2d, final String text, final int textX, final int textY) {
if (label.isEnabled() && drawShade) {
g2d.setColor(label.getBackground().darker());
paintShadowText(g2d, text, textX, textY);
} else {
final int accChar = label.getDisplayedMnemonicIndex();
final Color background = label.getBackground();
g2d.setColor(background.brighter());
SwingUtils.drawStringUnderlineCharAt(g2d, text, accChar, textX + 1, textY + 1);
g2d.setColor(background.darker());
SwingUtils.drawStringUnderlineCharAt(g2d, text, accChar, textX, textY);
}
}
/**
* Removes node from tree structure. This method will have effect only if node exists.
*
* @param node node to remove
* @return true if tree structure was changed by the operation, false otherwise
*/
public boolean removeNode(final E node) {
final boolean exists = node != null && node.getParent() != null;
if (exists) {
getExModel().removeNodeFromParent(node);
}
return exists;
}
/**
* Performs label layout and returns clipped or full label text.
*
* @param label label to process
* @param fm label font metrics
* @param text label text
* @param icon label icon
* @param viewR rectangle limited by label insets
* @param iconR icon rectangle dummy
* @param textR text rectangle dummy
* @return clipped or full label text
*/
protected String layoutCL(
final E label,
final FontMetrics fm,
final String text,
final Icon icon,
final Rectangle viewR,
final Rectangle iconR,
final Rectangle textR) {
return SwingUtilities.layoutCompoundLabel(
label,
fm,
text,
icon,
label.getVerticalAlignment(),
label.getHorizontalAlignment(),
label.getVerticalTextPosition(),
label.getHorizontalTextPosition(),
viewR,
iconR,
textR,
label.getIconTextGap());
}
public boolean delete(E element) {
if (root == null) return false;
TreeNode<E> parent = null;
TreeNode<E> current = root;
while (current != null) {
if (element.compareTo(current.element) < 0) {
parent = current;
current = current.left;
} else if (element.compareTo(current.element) > 0) {
parent = current;
current = current.right;
} else break;
}
if (current == null) return false;
if (current.left == null) {
if (parent == null) {
root = current.right;
} else {
if (element.compareTo(parent.element) < 0) parent.left = current.right;
else parent.right = current.right;
balancePath(parent.element);
}
} else {
TreeNode<E> parentOfRightMost = current;
TreeNode<E> rightMost = current.left;
while (rightMost.right != null) {
parentOfRightMost = rightMost;
rightMost = rightMost.right;
}
current.element = rightMost.element;
if (parentOfRightMost.right == rightMost) parentOfRightMost.right = rightMost.left;
else parentOfRightMost.left = rightMost.left;
balancePath(parentOfRightMost.element);
}
size--;
return true;
}
private SelectedElementInfo(@Nullable E element) {
myElement = element;
if (myElement != null) {
//noinspection unchecked
myCurrentPanel = element.getType().createElementPropertiesPanel(myElement, myContext);
myPropertiesPanel.removeAll();
if (myCurrentPanel != null) {
myPropertiesPanel.add(
BorderLayout.CENTER,
ScrollPaneFactory.createScrollPane(myCurrentPanel.createComponent(), true));
myCurrentPanel.reset();
myPropertiesPanel.revalidate();
}
}
}
public boolean startsOnTheSameElement(E expr, V localVariable) {
if (myExprMarker != null
&& myExprMarker.isValid()
&& expr != null
&& myExprMarker.getStartOffset() == expr.getTextOffset()) {
return true;
}
if (myLocalMarker != null
&& myLocalMarker.isValid()
&& localVariable != null
&& myLocalMarker.getStartOffset() == localVariable.getTextOffset()) {
return true;
}
return isRestart();
}
/** {@inheritDoc} */
@Override
public Dimension getPreferredSize(final E label) {
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
final Insets insets = label.getInsets(null);
final Font font = label.getFont();
final int dx = insets.left + insets.right;
final int dy = insets.top + insets.bottom;
if ((icon == null) && ((text == null) || ((text != null) && (font == null)))) {
return new Dimension(dx, dy);
} else if ((text == null) || ((icon != null) && (font == null))) {
return new Dimension(icon.getIconWidth() + dx, icon.getIconHeight() + dy);
} else {
final FontMetrics fm = label.getFontMetrics(font);
final Rectangle iconR = new Rectangle();
final Rectangle textR = new Rectangle();
final Rectangle viewR = new Rectangle();
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
viewR.x = dx;
viewR.y = dy;
viewR.width = viewR.height = Short.MAX_VALUE;
layoutCL(label, fm, text, icon, viewR, iconR, textR);
final int x1 = Math.min(iconR.x, textR.x);
final int x2 = Math.max(iconR.x + iconR.width, textR.x + textR.width);
final int y1 = Math.min(iconR.y, textR.y);
final int y2 = Math.max(iconR.y + iconR.height, textR.y + textR.height);
final Dimension rv = new Dimension(x2 - x1, y2 - y1);
rv.width += dx;
rv.height += dy;
return rv;
}
}
@Nullable
protected String getExpressionText(E expr) {
return expr != null ? expr.getText() : null;
}
/** {@inheritDoc} */
@Override
public void paint(final Graphics2D g2d, final Rectangle bounds, final E label) {
// Applying graphics settings
final Composite oc = LafUtils.setupAlphaComposite(g2d, transparency, transparency != null);
final Map textHints =
drawShade ? StyleConstants.defaultTextRenderingHints : StyleConstants.textRenderingHints;
final Font oldFont = LafUtils.setupFont(g2d, label.getFont());
final Map oldHints = SwingUtils.setupTextAntialias(g2d, textHints);
// Retrieving icon & text
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
// Painting background
if (backgroundPainter != null) {
backgroundPainter.paint(g2d, bounds, label);
}
// We don't need to go futher if there is not icon/text
if (icon == null && text == null) {
return;
}
final FontMetrics fm = label.getFontMetrics(label.getFont());
final String clippedText = layout(label, fm, label.getWidth(), label.getHeight());
if (icon != null) {
icon.paintIcon(label, g2d, paintIconR.x, paintIconR.y);
}
if (text != null) {
final View v = (View) label.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
// Painting HTML label view
v.paint(g2d, paintTextR);
} else {
// Painting plain label view
final int textX = paintTextR.x;
final int textY = paintTextR.y + fm.getAscent();
if (label.isEnabled()) {
paintEnabledText(label, g2d, clippedText, textX, textY);
} else {
paintDisabledText(label, g2d, clippedText, textX, textY);
}
}
}
SwingUtils.restoreTextAntialias(g2d, oldHints);
LafUtils.restoreFont(g2d, oldFont);
LafUtils.restoreComposite(g2d, oc, transparency != null);
}
public void reset() {
myTitleLabel.setText("'" + myElement.getName() + "' manifest properties:");
myManifestNotFoundLabel.setText(
"META-INF/MANIFEST.MF file not found in '" + myElement.getName() + "'");
updateManifest();
}