/**
* 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;
}
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 JScrollPane getScrollPane() {
if (desktop.getParent() instanceof JViewport) {
JViewport viewPort = (JViewport) desktop.getParent();
if (viewPort.getParent() instanceof JScrollPane) return (JScrollPane) viewPort.getParent();
}
return null;
}
/**
* Constructor de la clase, crea la tabla y de da todas las propiedades para mostrarla en la
* aplicacion.
*/
public PanelHojaCalculo() {
modelo = new ModeloTabla();
columnasTabla = new ModeloColumnasTabla();
tabla = new JTable(modelo, columnasTabla);
tablaAux = new JTable(modelo, filasTabla);
tabla.createDefaultColumnsFromModel();
tablaAux.createDefaultColumnsFromModel();
tabla.setColumnSelectionAllowed(true);
tabla.setRowSelectionAllowed(true);
tablaAux.setSelectionModel(tabla.getSelectionModel());
tablaAux.setMaximumSize(new Dimension(40, 10000));
tablaAux.setBackground(new Color(238, 238, 238));
// Se puede pasar a true si se quiere seleccionar las filas
tablaAux.setEnabled(false);
tablaAux.setColumnSelectionAllowed(false);
tablaAux.setCellSelectionEnabled(false);
viewPort = new JViewport();
viewPort.setView(tablaAux);
viewPort.setPreferredSize(tablaAux.getMaximumSize());
tabla.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
tablaAux.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
scrollPane = new JScrollPane(tabla);
scrollPane.setRowHeader(viewPort);
scrollPane.setPreferredSize(new Dimension(790, 500));
add(scrollPane);
}
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);
}
public VText(SessionShare sshare, ButtonIF vif, String typ) {
this.vnmrIf = vif;
setOpaque(false);
setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
twin = new VTextWin(this, sshare, vif, typ);
setViewportView(twin);
JViewport vp = getViewport();
vp.setBackground(Util.getBgColor());
orgBg = getBackground();
ml =
new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
int clicks = evt.getClickCount();
int modifier = evt.getModifiers();
if ((modifier & (1 << 4)) != 0) {
if (clicks >= 2) {
ParamEditUtil.setEditObj((VObjIF) evt.getSource());
}
}
}
};
new DropTarget(this, this);
DisplayOptions.addChangeListener(this);
}
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;
}
private static void check() {
try {
JViewport vp = null;
for (Component c : tabbedPane.getComponents()) {
if (c instanceof JViewport) {
vp = (JViewport) c;
break;
}
}
JComponent v = (JComponent) vp.getView();
Rectangle vr = vp.getViewRect();
Dimension vs = v.getSize();
// The tab view must be scrolled to the end so that the last tab is visible
if (vs.width != (vr.x + vr.width)) {
throw new RuntimeException(
"tabScroller.tabPanel view is positioned incorrectly: "
+ vs.width
+ " vs "
+ (vr.x + vr.width));
}
} catch (Exception e) {
exception = e;
}
}
/** Move a block it's prior location to the drop location */
@Override
public boolean importData(TransferSupport supp) {
if (canImport(supp)) {
IconList list = (IconList) supp.getComponent().getParent().getParent().getParent();
JViewport panel = (JViewport) supp.getComponent().getParent();
try {
Transferable t = supp.getTransferable();
int from = (int) t.getTransferData(DataFlavor.imageFlavor);
list.move(
from,
(int)
(Math.ceil(
supp.getDropLocation().getDropPoint().getX()
* list.length()
/ panel.getViewSize().getWidth()
- 1)),
false);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
return false;
}
public DataModel getDataModel(TypeEl typeEl) {
String type = new String();
switch (typeEl) {
case CD:
type = "CD";
break;
case DVD:
type = "DVD";
break;
case LIVRE:
type = "Livre";
break;
case JEUX:
type = "Jeux";
break;
case BD:
type = "BD";
break;
}
tabbedpane.setSelectedIndex(tabbedpane.indexOfTab(type));
JScrollPane t = (JScrollPane) tabbedpane.getComponent(tabbedpane.indexOfTab(type));
JViewport view = t.getViewport();
JTable f = (JTable) view.getView();
DataModel model = (DataModel) f.getModel();
return model;
}
/**
* 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;
}
/*
* 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 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();
}
}
/**
* Update the visibility of the buttons Only show them if the Viewport is too small for the
* content.
*/
public void showOrHideButtons() {
boolean needButtons =
vp.getViewSize().height > vp.getViewRect().height
|| vp.getViewSize().width > vp.getViewRect().width;
for (JButton b : buttons) {
b.setVisible(needButtons);
}
}
public void selectField(String fieldName) {
int idx = listModel.indexOf(fieldName);
if (idx >= 0) list.setSelectedIndex(idx);
// Make sure it is visible:
JViewport viewport = sp.getViewport();
viewport.scrollRectToVisible(list.getCellBounds(idx, idx));
}
/** {@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);
}
}
//////////////////////// 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);
}
/**
* 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());
}
private void scrollToCenterPath(final GeneralPath geoBoundaryPath, final JViewport viewport) {
final GeneralPath pixelPath =
ProductUtils.convertToPixelPath(geoBoundaryPath, wmPainter.getGeoCoding());
final Rectangle viewRect = viewport.getViewRect();
final Rectangle pathBounds = pixelPath.getBounds();
setCenter(viewRect, new Point((int) pathBounds.getCenterX(), (int) pathBounds.getCenterY()));
final Dimension bounds =
new Dimension(scaledImage.getWidth(null), scaledImage.getHeight(null));
ensureRectIsInBounds(viewRect, bounds);
viewport.scrollRectToVisible(viewRect);
}
/**
* Pans the display back to the origin, so that 0, 0 is at the the upper left of the visible
* viewport.
*/
public void recenter(Location loc) {
originRow = loc.getRow();
originCol = loc.getCol();
repaint();
JViewport vp = getEnclosingViewport();
if (vp != null) {
if (!isPannableUnbounded() || !(vp instanceof PseudoInfiniteViewport))
vp.setViewPosition(pointForLocation(loc));
else showPanTip();
}
}
/** Scrolls the viewport according to the fake cursor position in the preview popup menu. */
private void scrollViewPort() {
Point cursorLocation = _cursorLabel.getLocation();
int dx = (int) Math.max(cursorLocation.getX(), 0);
int dy = (int) Math.max(cursorLocation.getY(), 0);
dx = (int) (dx * _ratio);
dy = (int) (dy * _ratio);
((JComponent) _viewPort.getComponent(0))
.scrollRectToVisible(new Rectangle(dx, dy, _viewPort.getWidth(), _viewPort.getHeight()));
}
private void updateColor(Component c) {
if (!(c instanceof JScrollPane)) return;
JViewport vp = ((JScrollPane) c).getViewport();
if (vp == null) return;
Component view = vp.getView();
if (view == null) return;
lineColor = view.getBackground();
}
@Override
public Component getToolComponent() {
JViewport viewPort = rootPane.getViewport();
if (viewPort == null) {
viewPort = new JViewport();
rootPane.setViewport(viewPort);
}
if (viewPort.getView() != this) {
viewPort.setView(this);
}
return rootPane;
}
/**
* in Android server, AddHarHTMLMlet is NOT need to adapter size.
*
* @param scrollPane
* @return
*/
public static boolean isForAddHtml(final JScrollPane scrollPane) {
if (scrollPane != null) {
final JViewport jviewport = scrollPane.getViewport();
if (jviewport != null) {
final Component view = jviewport.getView();
if (view != null && view instanceof SystemHTMLMlet) {
return true;
}
}
}
return false;
}
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);
}
@Override
public void update(Observable o, Object arg) {
SortedSet<Feature> fs = model.selectionModel().getFeatureSelection();
if (fs.size() == 1) {
if (fs.first().type() == listModel.getType()) {
int row = listModel.getRow(fs.first());
// getSelectionModel().setSelectionInterval(row, row);
if (!(getParent() instanceof JViewport)) {
return;
}
JViewport viewport = (JViewport) getParent();
// This rectangle is relative to the table where the
// northwest corner of cell (0,0) is always (0,0).
Rectangle rect = getCellRect(row, 0, true);
// The location of the view relative to the table
Rectangle viewRect = viewport.getViewRect();
int topVisible = viewport.getViewRect().y;
int bottomVisible = viewport.getViewRect().height + topVisible;
/* When the cell is visible, don't do anything */
if (rect.y > topVisible && rect.y + rect.height < bottomVisible) {
return;
}
// 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 - viewRect.x, rect.y - viewRect.y);
// Calculate location of rect if it were at the center of view
int centerX = (viewRect.width - rect.width) / 2;
int centerY = (viewRect.height - rect.height) / 2;
// Fake the location of the cell so that scrollRectToVisible
// will move the cell to the center
if (rect.x < centerX) {
centerX = -centerX;
}
if (rect.y < centerY) {
centerY = -centerY;
}
rect.translate(centerX, centerY);
// Scroll the area into view.
viewport.scrollRectToVisible(rect);
}
}
}
@Override
public void addNotify() {
super.addNotify();
Component c = getParent();
// Keep scrolling of the row table in sync with the main table.
if (c instanceof JViewport) {
JViewport viewport = (JViewport) c;
viewport.addChangeListener(this);
}
}
/** {@inheritDoc} */
@Override
protected void uninstallListeners(JComponent c) {
super.uninstallListeners(c);
c.removePropertyChangeListener(this);
if (viewportViewFocusHandler != null) {
JViewport viewport = ((JScrollPane) c).getViewport();
viewport.removeContainerListener(viewportViewFocusHandler);
if (viewport.getView() != null) {
viewport.getView().removeFocusListener(viewportViewFocusHandler);
}
viewportViewFocusHandler = null;
}
}
@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);
}
}
}