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;
}
/**
* Scales to the given zoom level, 1.0 being 100%, centered on the given point.
*
* @param level The level to zoom to.
* @param center The center point for the scaling operation.
* @return The new zoom level.
*/
public float scaleTo(float level, Point2D center) {
if (this.scrollPane == null) return 1.0f;
float oldZoom = this.currentZoom;
this.currentZoom = Math.max(minimumZoom, level);
// this.absoluteViewScaler.scale( this, level, center );
Dimension viewSize;
if (level < 1.0f) {
viewSize = this.scrollPane.getSize();
} else {
viewSize = this.scrollPane.getViewport().getExtentSize();
}
Dimension newSize =
new Dimension((int) (viewSize.width * currentZoom), (int) (viewSize.height * currentZoom));
this.setPreferredSize(newSize);
this.setSize(newSize);
// new LayoutScaler( this.getGraphLayout( )).setSize( newSize );
if (Float.compare(level, 1.0f) <= 0) this.center();
// translate the new view position so the mouse is in the same place
// on the scaled view.
JViewport vp = this.scrollPane.getViewport();
double centerX = center.getX();
double centerY = center.getY();
double viewPortMouseX = centerX - vp.getViewPosition().getX();
double viewPortMouseY = centerY - vp.getViewPosition().getY();
centerX *= currentZoom / oldZoom;
centerY *= currentZoom / oldZoom;
viewPortMouseX = centerX - viewPortMouseX;
viewPortMouseY = centerY - viewPortMouseY;
vp.setViewPosition(new Point((int) viewPortMouseX, (int) viewPortMouseY));
return this.currentZoom;
}
/*
* 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);
}
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);
}
@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);
}
}
}
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;
}
/**
* scrolls to selected line number
*
* @param lineNumber the line number to scroll to
* @param toTop display on the top row
* @return true if .. , false if
*/
public boolean scrollToLine(final int lineNumber, final boolean toTop) {
final int lineNumbers = m_sourceModel.getLineNumbers();
if ((lineNumber >= 0) && (lineNumber < lineNumbers)) {
int viewColumnIndex = 0;
Rectangle rect = m_sourceCode.getCellRect(lineNumber, viewColumnIndex, true);
JViewport viewport = (JViewport) m_sourceCode.getParent();
if (toTop) {
Rectangle lastRect = m_sourceCode.getCellRect(lineNumbers - 1, viewColumnIndex, true);
viewport.scrollRectToVisible(lastRect);
}
Point pt = viewport.getViewPosition();
rect.setLocation(rect.x - pt.x, rect.y - pt.y);
// Scroll the area into view
viewport.scrollRectToVisible(rect);
m_sourceCode.repaint();
return true;
}
return false;
}
/** {@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);
}
}
@Override
public void stateChanged(ChangeEvent e) {
if (e.getSource() instanceof JViewport) {
JViewport port = (JViewport) e.getSource();
Point tablePos = port.getViewPosition();
Point filtersPos = filtersViewport.getViewPosition();
if (filtersPos.x != tablePos.x) {
filtersPos.x = tablePos.x;
filtersViewport.setViewPosition(filtersPos);
}
} else if (e.getSource() instanceof JTabbedPane) {
JTabbedPane tabs = (JTabbedPane) e.getSource();
if (baseDirty && tabs.getSelectedIndex() != 0) {
UITableModel mdl = (UITableModel) otherTable.getModel();
mdl.clearCache();
}
}
}
/**
* Shows a tool tip over the upper left corner of the viewport with the contents of the pannable
* view's pannable tip text (typically a string identifiying the corner point). Tip is removed
* after a short delay.
*/
public void showPanTip() {
String tipText = null;
Point upperLeft = new Point(0, 0);
JViewport vp = getEnclosingViewport();
if (!isPannableUnbounded() && vp != null) upperLeft = vp.getViewPosition();
Location loc = locationForPoint(upperLeft);
if (loc != null) tipText = getToolTipText(loc);
showTip(tipText, getLocation());
}
//////////////////////// 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);
}
public void captureDecorated() {
JViewport view = gui.graphComponent.getViewport();
Point currentPos = view.getViewPosition();
view.setViewPosition(new Point(0, 0)); // We have to do that otherwise, top left is not painted
Dimension size = view.getViewSize();
BufferedImage image = (BufferedImage) view.createImage(size.width, size.height);
Graphics2D captureG = image.createGraphics();
view.paintComponents(captureG);
view.setViewPosition(currentPos);
ImagePlus imp = new ImagePlus("TrackScheme capture", image);
imp.show();
}
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);
}
/**
* Assumes table is contained in a JScrollPane. Scrolls the cell (rowIndex, vColIndex) so that it
* is visible within the viewport.
*/
public static void scrollToVisible(JTable table, int row, int col) {
if (!(table.getParent() instanceof JViewport)) return;
JViewport viewport = (JViewport) table.getParent();
// This rectangle is relative to the table where the
// northwest corner of cell (0,0) is always (0,0).
Rectangle rect = table.getCellRect(row, col, 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);
}
/**
* Moves the current location by a given amount.
*
* @param dr the number of rows by which to move the location
* @param dc the number of columns by which to move the location
*/
public void moveLocation(int dr, int dc) {
Location newLocation =
new Location(currentLocation.getRow() + dr, currentLocation.getCol() + dc);
if (!grid.isValid(newLocation)) return;
currentLocation = newLocation;
JViewport viewPort = getEnclosingViewport();
if (isPannableUnbounded()) {
if (originRow > currentLocation.getRow()) originRow = currentLocation.getRow();
if (originCol > currentLocation.getCol()) originCol = currentLocation.getCol();
Dimension dim = viewPort.getSize();
int rows = dim.height / (cellSize + 1);
int cols = dim.width / (cellSize + 1);
if (originRow + rows - 1 < currentLocation.getRow())
originRow = currentLocation.getRow() - rows + 1;
if (originCol + rows - 1 < currentLocation.getCol())
originCol = currentLocation.getCol() - cols + 1;
} else if (viewPort != null) {
int dx = 0;
int dy = 0;
Point p = pointForLocation(currentLocation);
Rectangle locRect =
new Rectangle(p.x - cellSize / 2, p.y - cellSize / 2, cellSize + 1, cellSize + 1);
Rectangle viewRect = viewPort.getViewRect();
if (!viewRect.contains(locRect)) {
while (locRect.x < viewRect.x + dx) dx -= cellSize + 1;
while (locRect.y < viewRect.y + dy) dy -= cellSize + 1;
while (locRect.getMaxX() > viewRect.getMaxX() + dx) dx += cellSize + 1;
while (locRect.getMaxY() > viewRect.getMaxY() + dy) dy += cellSize + 1;
Point pt = viewPort.getViewPosition();
pt.x += dx;
pt.y += dy;
viewPort.setViewPosition(pt);
}
}
repaint();
showTip(getToolTipText(currentLocation), pointForLocation(currentLocation));
}
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();
}
public Point getViewPosition() {
return vp.getViewPosition();
}