private void recalculateMaxValues() {
myIdxLeft = widestEditor(myLeftEditors);
final Editor leftEditor = myLeftEditors.get(myIdxLeft);
final int wholeWidth = leftEditor.getContentComponent().getWidth();
final Rectangle va = leftEditor.getScrollingModel().getVisibleArea();
final int visibleLeft = leftEditor.xyToVisualPosition(new Point(va.width, 0)).column;
myMaxColumnsLeft = (int) (visibleLeft * ((double) wholeWidth / va.getWidth()));
myIdxRight = widestEditor(myRightEditors);
final Editor rightEditor = myRightEditors.get(myIdxRight);
final int wholeWidthRight = rightEditor.getContentComponent().getWidth();
final Rectangle vaRight = rightEditor.getScrollingModel().getVisibleArea();
final int visibleRight = rightEditor.xyToVisualPosition(new Point(va.width, 0)).column;
myMaxColumnsRight = (int) (visibleRight * ((double) wholeWidthRight / vaRight.getWidth()));
myByLeft = !(myMaxColumnsLeft <= visibleLeft);
if (!myByLeft) {
// check right editor
if (myLeftScroll.getVisibleAmount() != visibleRight) {
myLeftScroll.setVisibleAmount(visibleRight);
}
myLeftScroll.setMaximum(myMaxColumnsRight);
} else {
if (myLeftScroll.getVisibleAmount() != visibleLeft) {
myLeftScroll.setVisibleAmount(visibleLeft);
}
myLeftScroll.setMaximum(myMaxColumnsLeft);
}
}
private BeforeAfter<Integer> getEditorLines() {
final Editor editor = ((DiffPanelImpl) getCurrentPanel()).getEditor1();
Rectangle visibleArea = editor.getScrollingModel().getVisibleArea();
final int offset = editor.getScrollingModel().getVerticalScrollOffset();
int leftPixels = offset % editor.getLineHeight();
final Point start = visibleArea.getLocation();
final LogicalPosition startLp = editor.xyToLogicalPosition(start);
final Point location = new Point(start.x + visibleArea.width, start.y + visibleArea.height);
final LogicalPosition lp = editor.xyToLogicalPosition(location);
int curStartLine =
startLp.line == (editor.getDocument().getLineCount() - 1)
? startLp.line
: (startLp.line + 1);
int cutEndLine = lp.line == 0 ? 0 : lp.line - 1;
boolean commonPartOk = leftPixels == 0 || startLp.line == lp.line;
return new BeforeAfter<Integer>(
commonPartOk && startLp.softWrapLinesOnCurrentLogicalLine == 0
? startLp.line
: curStartLine,
commonPartOk && lp.softWrapLinesOnCurrentLogicalLine == 0 ? lp.line : cutEndLine);
/*if (leftPixels == 0 || startLp.line == lp.line) {
return new BeforeAfter<Integer>(startLp.line, lp.line);
} else {
return new BeforeAfter<Integer>(curStartLine, cutEndLine);
}*/
}
@Override
public Rectangle getCurrentItemBounds() {
int index = myList.getSelectedIndex();
if (index < 0) {
LOG.error("No selected element, size=" + getListModel().getSize() + "; items" + getItems());
}
Rectangle itmBounds = myList.getCellBounds(index, index);
if (itmBounds == null) {
LOG.error("No bounds for " + index + "; size=" + getListModel().getSize());
return null;
}
Point layeredPanePoint =
SwingUtilities.convertPoint(myList, itmBounds.x, itmBounds.y, getComponent());
itmBounds.x = layeredPanePoint.x;
itmBounds.y = layeredPanePoint.y;
return itmBounds;
}
public boolean shouldScrollHistoryToEnd() {
final Rectangle visibleArea = myHistoryViewer.getScrollingModel().getVisibleArea();
final Dimension contentSize = myHistoryViewer.getContentSize();
return contentSize.getHeight() - visibleArea.getMaxY() < 2 * myHistoryViewer.getLineHeight();
}