public void scrollToAttribute(Attribute a) {
if (!a.getDescriptor().getConfig().equals(getConfig())) {
logger.fine("Cannot scroll to attribute that isn't attached to this type of descriptor");
return;
}
int rowIndex = getCurrentModel().getRowForDescriptor(a.getDescriptor());
int colIndex = getCurrentModel().getColumnForAttribute(a);
JScrollPane scrollPane = (JScrollPane) this.getComponent(0);
JViewport viewport = (JViewport) scrollPane.getViewport();
EnhancedTable table = (EnhancedTable) viewport.getView();
// This rectangle is relative to the table where the
// northwest corner of cell (0,0) is always (0,0).
Rectangle rect = table.getCellRect(rowIndex, colIndex, true);
// The location of the viewport relative to the table
Point pt = viewport.getViewPosition();
// Translate the cell location so that it is relative
// to the view, assuming the northwest corner of the
// view is (0,0)
rect.setLocation(rect.x - pt.x, rect.y - pt.y);
// Scroll the area into view
viewport.scrollRectToVisible(rect);
}
/*
* This method is called every time:
* - to make sure the viewport is returned to its default position
* - to remove the horizontal scrollbar when it is not wanted
*/
private void checkHorizontalScrollBar(BasicComboPopup popup) {
// Reset the viewport to the left
JViewport viewport = scrollPane.getViewport();
Point p = viewport.getViewPosition();
p.x = 0;
viewport.setViewPosition(p);
// Remove the scrollbar so it is never painted
if (!scrollBarRequired) {
scrollPane.setHorizontalScrollBar(null);
return;
}
// Make sure a horizontal scrollbar exists in the scrollpane
JScrollBar horizontal = scrollPane.getHorizontalScrollBar();
if (horizontal == null) {
horizontal = new JScrollBar(JScrollBar.HORIZONTAL);
scrollPane.setHorizontalScrollBar(horizontal);
scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
}
// Potentially increase height of scroll pane to display the scrollbar
if (horizontalScrollBarWillBeVisible(popup, scrollPane)) {
Dimension scrollPaneSize = scrollPane.getPreferredSize();
scrollPaneSize.height += horizontal.getPreferredSize().height;
scrollPane.setPreferredSize(scrollPaneSize);
scrollPane.setMaximumSize(scrollPaneSize);
scrollPane.revalidate();
}
}
//
// Implement the ChangeListener
//
public void stateChanged(ChangeEvent e) {
// Keep the scrolling of the row table in sync with main table
JViewport viewport = (JViewport) e.getSource();
JScrollPane scrollPane = (JScrollPane) viewport.getParent();
scrollPane.getVerticalScrollBar().setValue(viewport.getViewPosition().y);
}
private int getCorrectionOffset(FilePanel fp) {
JTextComponent editor;
int offset;
Rectangle rect;
Point p;
JViewport viewport;
editor = fp.getEditor();
viewport = fp.getScrollPane().getViewport();
p = viewport.getViewPosition();
offset = editor.viewToModel(p);
try {
// This happens when you scroll to the bottom. The upper line won't
// start at the right position (You can see half of the line)
// Correct this offset with the pane next to it to keep in sync.
rect = editor.modelToView(offset);
if (rect != null) {
return p.y - rect.getLocation().y;
}
} catch (Exception ex) {
ex.printStackTrace();
}
return 0;
}
private int getCurrentLineCenter(FilePanel fp) {
JScrollPane scrollPane;
BufferDocumentIF bd;
JTextComponent editor;
JViewport viewport;
int line;
Rectangle rect;
int offset;
Point p;
editor = fp.getEditor();
scrollPane = fp.getScrollPane();
viewport = scrollPane.getViewport();
p = viewport.getViewPosition();
offset = editor.viewToModel(p);
// Scroll around the center of the editpane
p.y += getHeightOffset(fp);
offset = editor.viewToModel(p);
bd = fp.getBufferDocument();
if (bd == null) {
return -1;
}
line = bd.getLineForOffset(offset);
return line;
}
/** {@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 scrollToCellLocation(int rowIndex, int colIndex) {
if (!(getParent() instanceof JViewport)) {
return;
}
JViewport scrollPane = (JViewport) getParent();
Rectangle rect = getCellRect(rowIndex, colIndex, true);
Point p = scrollPane.getViewPosition();
rect.setLocation(rect.x - p.x, rect.y - p.y);
scrollPane.scrollRectToVisible(rect);
}
public void scrollToColumnLocation(int colIndex) {
JTable scrollTable = transposedSpreadsheetSubform.getScrollTable();
scrollTable.setColumnSelectionInterval(colIndex, colIndex);
JViewport scrollPane = transposedSpreadsheetSubform.getFrozenTable().getViewport();
Rectangle rect = scrollTable.getCellRect(1, colIndex, true);
Point p = scrollPane.getViewPosition();
rect.setLocation(rect.x - p.x, rect.y - p.y);
scrollPane.scrollRectToVisible(rect);
Map<Integer, Color> columnToColor = new HashMap<Integer, Color>();
columnToColor.put(colIndex, new Color(28, 117, 188, 70));
transposedSpreadsheetSubform.changeTableRenderer(
transposedSpreadsheetSubform.getScrollTable(),
new SubFormCellRenderer(
UIHelper.VER_11_PLAIN, UIHelper.DARK_GREEN_COLOR, null, columnToColor));
transposedSpreadsheetSubform.validate();
transposedSpreadsheetSubform.repaint();
}