@Override
public void layoutContainer(Container parent) {
if (linkedViewPort == null) {
super.layoutContainer(parent);
} else {
JViewport vp = (JViewport) parent;
Component view = vp.getView();
if (view != null) {
Point p = linkedViewPort.getViewPosition();
Dimension size = linkedViewPort.getViewSize();
if (horizontalLink) {
p.y = 0;
size.height = vp.getExtentSize().height;
} else {
p.x = 0;
size.width = vp.getExtentSize().width;
}
vp.setViewPosition(p);
vp.setViewSize(size);
}
}
}
public void scrollToLine(FilePanel fp, int line) {
JScrollPane scrollPane;
FilePanel fp2;
BufferDocumentIF bd;
JTextComponent editor;
JViewport viewport;
Rectangle rect;
int offset;
Point p;
Rectangle viewRect;
Dimension viewSize;
Dimension extentSize;
int x;
fp2 = fp == filePanelLeft ? filePanelRight : filePanelLeft;
bd = fp.getBufferDocument();
if (bd == null) {
return;
}
offset = bd.getOffsetForLine(line);
if (offset < 0) {
return;
}
viewport = fp.getScrollPane().getViewport();
editor = fp.getEditor();
try {
rect = editor.modelToView(offset);
if (rect == null) {
return;
}
p = rect.getLocation();
p.y -= getHeightOffset(fp);
p.y += getCorrectionOffset(fp2);
// Do not allow scrolling before the begin.
if (p.y < 0) {
p.y = 0;
}
// Do not allow scrolling after the end.
viewSize = viewport.getViewSize();
viewRect = viewport.getViewRect();
extentSize = viewport.getExtentSize();
if (p.y > viewSize.height - extentSize.height) {
p.y = viewSize.height - extentSize.height;
}
p.x = viewRect.x;
viewport.setViewPosition(p);
} catch (Exception ex) {
ex.printStackTrace();
}
}
//////////////////////// END OF CONSTRUCTOR/////////////////////////////
public static boolean isCellVisible(JTable table, int rowIndex, int vColIndex) {
if (!(table.getParent() instanceof JViewport)) {
return false;
}
JViewport viewport = (JViewport) table.getParent();
Rectangle rect = table.getCellRect(rowIndex, vColIndex, true);
Point pt = viewport.getViewPosition();
rect.setLocation(rect.x - pt.x, rect.y - pt.y);
return new Rectangle(viewport.getExtentSize()).contains(rect);
}