/**
* Given a label figure object, this will calculate the correct Font needed to display into screen
* coordinates, taking into account the current mapmode. This will typically be used by direct
* edit cell editors that need to display independent of the zoom or any coordinate mapping that
* is taking place on the drawing surface.
*
* @param label the label to use for the font calculation
* @return the <code>Font</code> that is scaled to the screen coordinates. Note: the returned
* <code>Font</code> should not be disposed since it is cached by a common resource manager.
*/
protected Font getScaledFont(IFigure label) {
Font scaledFont = label.getFont();
FontData data = scaledFont.getFontData()[0];
Dimension fontSize = new Dimension(0, MapModeUtil.getMapMode(label).DPtoLP(data.getHeight()));
label.translateToAbsolute(fontSize);
if (Math.abs(data.getHeight() - fontSize.height) < 2) fontSize.height = data.getHeight();
try {
FontDescriptor fontDescriptor = FontDescriptor.createFrom(data);
cachedFontDescriptors.add(fontDescriptor);
return getResourceManager().createFont(fontDescriptor);
} catch (DeviceResourceException e) {
Trace.catching(
DiagramUIPlugin.getInstance(),
DiagramUIDebugOptions.EXCEPTIONS_CATCHING,
getClass(),
"getScaledFont",
e); //$NON-NLS-1$
Log.error(
DiagramUIPlugin.getInstance(),
DiagramUIStatusCodes.IGNORED_EXCEPTION_WARNING,
"getScaledFont",
e); //$NON-NLS-1$
}
return JFaceResources.getDefaultFont();
}
/**
* Given an absolute point (pStart) and a list of EditParts, this method finds the closest
* EditPart (except for the one to be excluded) in the given direction.
*
* @param siblings List of sibling EditParts
* @param pStart The starting point (must be in absolute coordinates) from which the next sibling
* is to be found.
* @param direction PositionConstants
* @param exclude The EditPart to be excluded from the search
*/
public IGraphicalEntityPart findSibling(
List<?> siblings, Point pStart, int direction, EditPart exclude) {
IGraphicalEntityPart epCurrent;
IGraphicalEntityPart epFinal = null;
IFigure figure;
Point pCurrent;
int distance = Integer.MAX_VALUE;
Iterator<?> iter = siblings.iterator();
while (iter.hasNext()) {
epCurrent = (IGraphicalEntityPart) iter.next();
if (epCurrent == exclude || !epCurrent.isSelectable()) continue;
figure = epCurrent.getFigure();
pCurrent = getNavigationPoint(figure);
figure.translateToAbsolute(pCurrent);
if (pStart.getPosition(pCurrent) != direction) continue;
Dimension difference = pCurrent.getDifference(pStart);
int d = Math.abs(difference.width()) + Math.abs(difference.height());
if (d < distance) {
distance = d;
epFinal = epCurrent;
}
}
return epFinal;
}
@Override
protected Dimension calculatePreferredSize(IFigure container, int wHint, int hHint) {
Dimension d = getLayoutData().getSize();
Insets insets = container.getInsets();
d = new Dimension(d.width + insets.getWidth(), d.height + insets.getHeight());
return d.union(getBorderPreferredSize(container));
}
@Override
protected Dimension calculatePreferredSize(IFigure container, int w, int h) {
Insets insets = container.getInsets();
Dimension d = new Dimension(64, 4 * 64);
d.expand(insets.getWidth(), insets.getHeight());
return d;
}
@Override
protected Dimension calculatePreferredSize(IFigure container, int wHint, int hHint) {
Insets insets = container.getInsets();
if (isHorizontal()) {
wHint = -1;
if (hHint >= 0) {
hHint = Math.max(0, hHint - insets.getHeight());
}
} else {
hHint = -1;
if (wHint >= 0) {
wHint = Math.max(0, wHint - insets.getWidth());
}
}
List children = container.getChildren();
Dimension prefSize = calculateChildrenSize(children, wHint, hHint, true);
// Do a second pass, if necessary
if (wHint >= 0 && prefSize.width > wHint) {
prefSize = calculateChildrenSize(children, prefSize.width, hHint, true);
} else if (hHint >= 0 && prefSize.width > hHint) {
prefSize = calculateChildrenSize(children, wHint, prefSize.width, true);
}
prefSize.height += Math.max(0, children.size() - 1) * spacing;
return transposer
.t(prefSize)
.expand(insets.getWidth(), insets.getHeight())
.union(getBorderPreferredSize(container));
}
/**
* Used inside the getSizeDeltaToFitAnchors operation. It's goal is to modify a SizeDelta in order
* to keep fitting an anchor within the figureBounds
*
* @param anchor The anchor whose position will be kept
* @param sizeDelta
* @param preserveAxis
* @param figureBounds
*/
protected static void modifySizeDeltaToFitAnchor(
IdentityAnchor anchor, Dimension sizeDelta, int preserveAxis, Rectangle figureBounds) {
if (anchor == null) {
return;
}
PrecisionPoint pp = BaseSlidableAnchor.parseTerminalString(anchor.getId());
int margin = 6;
if (preserveAxis == PRESERVE_Y || preserveAxis == PRESERVE_XY) {
int anchorYPos = (int) Math.round(figureBounds.height * pp.preciseY);
int newHeight = figureBounds.height + sizeDelta.height;
if (anchorYPos + margin > newHeight) {
sizeDelta.height = (anchorYPos - figureBounds.height) + margin;
}
}
if (preserveAxis == PRESERVE_X || preserveAxis == PRESERVE_XY) {
int anchorXPos = (int) Math.round(figureBounds.width * pp.preciseX);
int newWidth = figureBounds.width + sizeDelta.width;
if (anchorXPos + margin > newWidth) {
sizeDelta.width = (anchorXPos - figureBounds.width) + margin;
}
}
}
/**
* Computes actual grid specification (origin + single cell width and height) in the coordinates
* relative to the diagram content pane.
*
* <p>This specification depends only on the grid-relative properties stored in the {@link
* EditPartViewer}, so client may cache it and rely on {@link
* EditPartViewer#addPropertyChangeListener(PropertyChangeListener)}
*
* @param viewer
* @return grid specification in the coordinate system relative to diagram content pane, or <code>
* null</code> if grid is not enabled
*/
private static PrecisionRectangle getRelativeGridSpec(EditPartViewer viewer) {
Boolean enabled = (Boolean) viewer.getProperty(SnapToGrid.PROPERTY_GRID_ENABLED);
if (enabled == null || !enabled) {
return null;
}
double gridX = 0;
double gridY = 0;
Dimension spacing = (Dimension) viewer.getProperty(SnapToGrid.PROPERTY_GRID_SPACING);
if (spacing != null) {
gridX = spacing.preciseWidth();
gridY = spacing.preciseHeight();
}
if (gridX <= 0) {
gridX = SnapToGrid.DEFAULT_GRID_SIZE;
}
if (gridY <= 0) {
gridY = SnapToGrid.DEFAULT_GRID_SIZE;
}
Point origin = (Point) viewer.getProperty(SnapToGrid.PROPERTY_GRID_ORIGIN);
PrecisionRectangle result =
new PrecisionRectangle( //
origin == null ? 0 : origin.preciseX(),
origin == null ? 0 : origin.preciseY(),
gridX,
gridY);
return result;
}
@Override
public Dimension getPreferredSize(int wHint, int hHint) {
Dimension prefSize = super.getPreferredSize(wHint, hHint);
int bodyHeight = getParent().getBounds().height - 10;
Dimension defaultSize = new Dimension(SWT.DEFAULT, bodyHeight);
prefSize.union(defaultSize);
return prefSize;
}
@Override
public Dimension getPreferredSize(int wHint, int hHint) {
Dimension size = super.getPreferredSize(wHint, hHint);
// FIXME
if (size.width < DrawUtils.SPACING + getBorder().getPreferredSize(this).width)
size.width =
Math.max(size.width, DrawUtils.SPACING + getBorder().getPreferredSize(this).width);
return size;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.ToolbarLayout#calculatePreferredSize(org.eclipse.draw2d.IFigure, int, int)
*/
@Override
protected Dimension calculatePreferredSize(IFigure container, int wHint, int hHint) {
Insets insets = container.getInsets();
Dimension prefSize = calculateChildrenSize(container.getChildren(), wHint, hHint);
return prefSize
.expand(insets.getWidth(), insets.getHeight())
.union(getBorderPreferredSize(container));
}
// We override reveal to show the Handles of the selected EditPart when
// scrolling
public void reveal(EditPart part) {
// In some case, the editor control is not created, but get the sync selection event.
// Fix this problem temporary.
if (getFigureCanvas() == null || getFigureCanvas().isDisposed()) {
return;
}
Viewport port = getFigureCanvas().getViewport();
IFigure target = ((GraphicalEditPart) part).getFigure();
Rectangle exposeRegion = target.getBounds().getCopy();
// Get the primary editpolicy
EditPolicy policy = part.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
// If the policy let us access the handles, proceed, otherwise
// default to original behaviour
if (!(policy instanceof ISelectionHandlesEditPolicy)) {
super.reveal(part);
return;
}
// First translate exposeRegion to the root level
target = target.getParent();
while (target != null && target != port) {
target.translateToParent(exposeRegion);
target = target.getParent();
}
// Merge selection handles if any to the exposeRegion
List handles = ((ISelectionHandlesEditPolicy) policy).getHandles();
for (Iterator iter = handles.iterator(); iter.hasNext(); ) {
AbstractHandle handle = (AbstractHandle) iter.next();
Locator locator = handle.getLocator();
locator.relocate(handle);
exposeRegion.union(handle.getBounds().getCopy());
}
exposeRegion.getExpanded(5, 5);
Dimension viewportSize = port.getClientArea().getSize();
Point topLeft = exposeRegion.getTopLeft();
Point bottomRight = exposeRegion.getBottomRight().translate(viewportSize.getNegated());
Point finalLocation = new Point();
if (viewportSize.width < exposeRegion.width)
finalLocation.x = Math.min(bottomRight.x, Math.max(topLeft.x, port.getViewLocation().x));
else finalLocation.x = Math.min(topLeft.x, Math.max(bottomRight.x, port.getViewLocation().x));
if (viewportSize.height < exposeRegion.height)
finalLocation.y = Math.min(bottomRight.y, Math.max(topLeft.y, port.getViewLocation().y));
else finalLocation.y = Math.min(topLeft.y, Math.max(bottomRight.y, port.getViewLocation().y));
getFigureCanvas().scrollSmoothTo(finalLocation.x, finalLocation.y);
}
/*
* (non-Javadoc)
*
* @see henshineditor.figure.condition.FormulaFigure#getPreferredDimension()
*/
@Override
protected Dimension getPreferredDimension() {
Dimension dimension = super.getPreferredDimension();
FormulaFigure<?> childFigure = getChildFigure();
if (childFigure != null) {
Dimension childDimension = childFigure.getPreferredDimension();
dimension.height += childDimension.height;
dimension.width = childDimension.width;
}
return dimension;
}
/**
* Calculate the best size for this label using the class's width to height ratio. This is done by
* calculating the area that the text would occupy if it was in only one line, then calculate a
* new width that would give the same area using the width to height ratio, and finally it sends
* this width to the {@link FlowPage}'s {@link FlowPage#getPreferredSize(int, int)} method which
* calculates the real height using line breaks.
*
* @return A close match to the size that this figure should have to match the required width to
* height ratio.
*/
public Dimension calculateSize() {
try {
Dimension lineDimensions =
TextUtilities.INSTANCE.getStringExtents(textFlow.getText(), getFont());
double area = lineDimensions.width() * lineDimensions.height();
double width = Math.sqrt(area / ratio) * ratio;
invalidate();
Dimension pSize = textFlow.getPreferredSize((int) width, -1).getCopy();
if (pSize.width < OPPFigureConstants.MINIMUM_NODE_SIZE) pSize.width = pSize.height;
return pSize;
} catch (Exception e) {
return new Dimension(0, 0);
}
}
private void refreshLabelBounds(IFigure figure, GraphLabel label) {
Rectangle figureBounds = figure.getBounds();
if (figureBounds.width * figureBounds.height > 0) {
label.setText(label.getText()); // hack: resets label's size
Dimension labelSize = label.getSize();
labelSize.expand(-6, -4);
Point anchorPoint = figure.getBounds().getBottomRight();
anchorPoint.x -= labelSize.width / 2;
anchorPoint.y -= labelSize.height / 2;
Rectangle bounds = new Rectangle(anchorPoint, labelSize);
label.setBounds(bounds);
label.getParent().setConstraint(label, bounds);
} else {
label.getParent().setConstraint(label, new Rectangle(figureBounds.x, figureBounds.y, 0, 0));
label.setBounds(new Rectangle(figureBounds.x, figureBounds.y, 0, 0));
}
}
/** {@inheritDoc} */
@Override
protected void updateTargetRequest() {
super.updateTargetRequest();
Dimension delta = getDragMoveDelta();
if (getSourceEditPart() instanceof GraphicalEditPart) {
Rectangle childRect = ((GraphicalEditPart) getSourceEditPart()).getFigure().getBounds();
if (getSourceEditPart().getParent() instanceof GraphicalEditPart) {
Rectangle parentRect =
((GraphicalEditPart) getSourceEditPart().getParent()).getFigure().getBounds();
IFigure fig = ((GraphicalEditPart) getSourceEditPart().getParent()).getFigure();
IFigure contentPane =
((GraphicalEditPart) getSourceEditPart().getParent()).getContentPane();
// calculate the virtual position
Rectangle virtualPosition = childRect.getCopy();
virtualPosition.x = virtualPosition.x + delta.width;
virtualPosition.y = virtualPosition.y + delta.height;
if (virtualPosition.x < 0) {
delta.width = 0 - childRect.x;
}
if (virtualPosition.y < 0) {
delta.height = 0 - childRect.y;
}
if (virtualPosition.x + virtualPosition.width + getBorder() > parentRect.width) {
delta.width = parentRect.width - childRect.width - childRect.x - getBorder();
}
if (virtualPosition.y + virtualPosition.height + 2 * getBorder() > parentRect.height) {
delta.height = parentRect.height - childRect.height - childRect.y - 2 * getBorder();
}
ChangeBoundsRequest request = (ChangeBoundsRequest) getTargetRequest();
Point moveDelta = new Point(delta.width, delta.height);
request.setMoveDelta(moveDelta);
// Very important the child element to block inside the container
// if not test first the target editPart.
// let the default algorithm if the target is not its parent.
setTargetEditPart(getSourceEditPart().getParent());
}
}
}
/** @see org.eclipse.draw2d.LayoutManager#layout(org.eclipse.draw2d.IFigure) */
public void layout(IFigure container) {
List children = container.getChildren();
Rectangle rulerSize = container.getClientArea();
for (int i = 0; i < children.size(); i++) {
IFigure child = (IFigure) children.get(i);
Dimension childSize = child.getPreferredSize();
int position = ((Integer) getConstraint(child)).intValue();
if (((RulerFigure) container).isHorizontal()) {
childSize.height = rulerSize.height - 1;
Rectangle.getSINGLETON().setLocation(position - (childSize.width / 2), rulerSize.y);
} else {
childSize.width = rulerSize.width - 1;
Rectangle.getSINGLETON().setLocation(rulerSize.x, position - (childSize.height / 2));
}
Rectangle.getSINGLETON().setSize(childSize);
child.setBounds(Rectangle.getSINGLETON());
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.Figure#getMinimumSize(int, int)
*/
private Dimension getMinimumSize(
int wHint, int hHint, boolean isFix, boolean forceWidth, boolean forceHeight) {
if (DesignChoiceConstants.DISPLAY_NONE.equals(display)) {
return ZERO_DIMENSION;
}
int rx = recommendSize != null ? recommendSize.width : 0;
int ry = recommendSize != null ? recommendSize.height : 0;
rx = getRealRecommendSizeX(rx, wHint);
if (wHint == -1 && hHint == -1) {
int maxWidth = calcMaxSegment();
// use recommend size if specified, otherwise use max segment size
Dimension dim = super.getMinimumSize(rx == 0 ? maxWidth : rx, -1);
dim.height = Math.max(dim.height, Math.max(getInsets().getHeight(), ry));
return dim;
}
Dimension dim;
// return the true minimum size with minimum width;
if (isFix) {
int tempHint = wHint;
int maxWidth = calcMaxSegment();
if (wHint < maxWidth && !forceWidth) {
tempHint = maxWidth;
}
dim = super.getMinimumSize(tempHint <= 0 ? -1 : tempHint, hHint);
return new Dimension(Math.max(dim.width, rx), Math.max(dim.height, ry));
} else {
dim = super.getMinimumSize(rx == 0 ? -1 : rx, hHint);
}
if (dim.width < wHint) {
return new Dimension(Math.max(dim.width, rx), Math.max(dim.height, ry));
}
dim = super.getMinimumSize(wHint, hHint);
return new Dimension(Math.max(dim.width, rx), Math.max(dim.height, ry));
}
/**
* Returns the size set specified by setPreferredImageSize() or the size specified by the image.
* In the case of meta-images a preferred size of 32x32 is returned.
*/
public Dimension getPreferredSize(int wHint, int hHint) {
if (preferredSize.height == -1 && preferredSize.width == -1) {
int extent = MapModeUtil.getMapMode(this).DPtoLP(32);
preferredSize = new Dimension(extent, extent);
if (getFlag(FLAG_USE_DEFAULT_IMAGESIZE)) {
if (getRenderedImage() != null) {
setRenderedImage(getRenderedImage(new Dimension(0, 0)));
Image swtImage = null;
if (getRenderedImage() != null) swtImage = getRenderedImage().getSWTImage();
if (swtImage != null) {
org.eclipse.swt.graphics.Rectangle imgRect = swtImage.getBounds();
preferredSize.width = MapModeUtil.getMapMode(this).DPtoLP(imgRect.width);
preferredSize.height = MapModeUtil.getMapMode(this).DPtoLP(imgRect.height);
}
}
}
}
return preferredSize;
}
protected void showChangeBoundsFeedback(ChangeBoundsRequest request) {
IFigure feedback = getDragSourceFeedbackFigure();
PrecisionRectangle rect = new PrecisionRectangle(getInitialFeedbackBounds().getCopy());
getHostFigure().translateToAbsolute(rect);
rect.translate(request.getMoveDelta());
rect.resize(request.getSizeDelta());
IFigure f = getHostFigure();
Dimension min = f.getMinimumSize().getCopy();
Dimension max = f.getMaximumSize().getCopy();
IMapMode mmode = MapModeUtil.getMapMode(f);
min.height = mmode.LPtoDP(min.height);
min.width = mmode.LPtoDP(min.width);
max.height = mmode.LPtoDP(max.height);
max.width = mmode.LPtoDP(max.width);
if (min.width > rect.width) rect.width = min.width;
else if (max.width < rect.width) rect.width = max.width;
if (min.height > rect.height) rect.height = min.height;
else if (max.height < rect.height) rect.height = max.height;
feedback.translateToRelative(rect);
feedback.setBounds(rect);
}
private double getFitXZoomLevel(int which) {
IFigure fig = getScalableFigure();
Dimension available = getViewport().getClientArea().getSize();
Dimension desired;
if (fig instanceof FreeformFigure) {
desired = ((FreeformFigure) fig).getFreeformExtent().getCopy().union(0, 0).getSize();
} else {
desired = fig.getPreferredSize().getCopy();
}
desired.width -= fig.getInsets().getWidth();
desired.height -= fig.getInsets().getHeight();
while (fig != getViewport()) {
available.width -= fig.getInsets().getWidth();
available.height -= fig.getInsets().getHeight();
fig = fig.getParent();
}
double scaleX = Math.min(available.width * zoom / desired.width, getMaxZoom());
double scaleY = Math.min(available.height * zoom / desired.height, getMaxZoom());
if (which == 0) {
return scaleX;
}
if (which == 1) {
return scaleY;
}
return Math.min(scaleX, scaleY);
}
/**
* Return the default draw2D dimension according to the specified DNode.
*
* @return the default draw2D dimension according to the specified DNode.
*/
public Dimension getDefaultDimension() {
final Dimension result = DEFAULT_NODE_DIMENSION.getCopy();
if (node.getStyle() instanceof WorkspaceImage) {
final WorkspaceImage workspaceImage = (WorkspaceImage) node.getStyle();
final String path = workspaceImage.getWorkspacePath();
final Image image;
image = WorkspaceImageFigure.getImageInstanceFromPath(path);
if (image != null) {
// Use default image size
if (node.getWidth() == null || Integer.valueOf(node.getWidth()) == -1) {
result.width = image.getBounds().width;
result.height = image.getBounds().height;
} else {
// width is already defined, adapt height thanks to
// image ratio
final double ratio = (double) image.getBounds().width / image.getBounds().height;
double newHeight = node.getWidth().intValue() / ratio;
// Adapt to draw2D
result.width = node.getWidth().intValue() * LayoutUtils.SCALE;
result.height = (int) (newHeight * LayoutUtils.SCALE);
}
}
} else {
if (node.getWidth() != null) {
result.width = node.getWidth().intValue();
}
if (node.getHeight() != null) {
result.height = node.getHeight().intValue();
}
// Adapt to draw2D
result.width = result.width * LayoutUtils.SCALE;
result.height = result.height * LayoutUtils.SCALE;
}
return result;
}
/**
* Fix for #422827
*
* <p>We would better override the Dimension.max() logic from the super class but it itself calls
* super.super so we can't easily do that.
*
* <p>So we have to explicitly call {@link #getMinimumSizeForHint(GraphicalEditPart, Dimension)}
* and ensure that Dimension.max() logic in super-class does not affect results by returning
* something small from {@link #getMinimumSizeFor(GraphicalEditPart)}
*/
@Override
protected Object getConstraintFor(Request request, GraphicalEditPart child, Rectangle rect) {
if (isReflowable(child) && request instanceof ChangeBoundsRequest) {
ChangeBoundsRequest reqImpl = (ChangeBoundsRequest) request;
Dimension sizeDelta = reqImpl.getSizeDelta();
if (sizeDelta.width != 0 || sizeDelta.height != 0) {
Dimension correctedMinSize = getMinimumSizeForHint(child, rect.getSize());
rect.setSize(Dimension.max(correctedMinSize, rect.getSize()));
}
}
return super.getConstraintFor(request, child, rect);
}
public void layout(IFigure container) {
Rectangle area = container.getClientArea();
area.height -= 1;
Dimension scaleSize = new Dimension(0, 0);
Dimension markerSize = new Dimension(0, 0);
if (scale != null) {
if (scale.isVisible()) {
scaleSize = scale.getPreferredSize(-1, area.height);
scale.setBounds(new Rectangle(area.x, area.y, scaleSize.width, scaleSize.height));
} else {
scaleSize = scale.getPreferredSize(-1, area.height + 2 * scale.getMargin());
scale.setBounds(
new Rectangle(area.x, area.y - scale.getMargin(), scaleSize.width, scaleSize.height));
scaleSize.height = 0;
scaleSize.width = 0;
}
}
if (marker != null && marker.isVisible()) {
markerSize = marker.getPreferredSize();
marker.setBounds(
new Rectangle(
area.x + area.width - markerSize.width,
marker.getScale().getBounds().y,
markerSize.width,
markerSize.height));
}
if (tank != null) {
tank.setBounds(
new Rectangle(
area.x + scaleSize.width,
scale.getValuePosition(scale.getRange().getUpper(), false),
area.width - scaleSize.width - markerSize.width,
scale.getTickLength() + tank.getLineWidth()));
}
}
/**
* Shows or updates feedback for a change bounds request. The request is updated by the way so
* that the shape stays a square.
*
* @param request the request
*/
@Override
protected void showChangeBoundsFeedback(ChangeBoundsRequest request) {
// adapt the request for a square resize
Point move = request.getMoveDelta();
Dimension delta = request.getSizeDelta();
int dH = delta.height;
int dW = delta.width;
int signum = 0;
if (dH <= 0 && dW <= 0) {
signum = -1;
} else {
signum = 1;
}
int positiveResize = Math.max(dH, dW);
if (positiveResize <= 0) {
if (dH == 0) {
positiveResize = -dW;
} else if (dW == 0) {
positiveResize = -dH;
} else {
positiveResize = Math.min(-dH, -dW);
}
}
int newDH = signum * positiveResize;
int newDW = newDH;
int dir = request.getResizeDirection();
// adjust new position if impacted by resizing
if ((dir & PositionConstants.NORTH) > 0) {
move.y += dH - newDH;
}
if ((dir & PositionConstants.WEST) > 0) {
move.x += dW - newDW;
}
request.setMoveDelta(move);
delta.height = newDH;
delta.width = newDW;
super.showChangeBoundsFeedback(request);
}
/** creates the command to move the shapes left or right. */
protected Command getCommand() {
if (_container == null) {
return null;
}
CompoundCommand command = new CompoundCommand("Multiple Shape Move");
TransactionalEditingDomain editingDomain = _container.getEditingDomain();
Point moveDelta = ((ChangeBoundsRequest) getSourceRequest()).getMoveDelta().getCopy();
Dimension spSizeDelta = new Dimension(moveDelta.x, moveDelta.y);
ZoomManager zoomManager =
((DiagramRootEditPart) getCurrentViewer().getRootEditPart()).getZoomManager();
spSizeDelta.scale(1 / zoomManager.getZoom());
command.add(_container.getCommand(getSourceRequest()));
for (IGraphicalEditPart sp : _subProcesses) {
Dimension spDim = sp.getFigure().getBounds().getSize().getCopy();
spDim.expand(spSizeDelta);
SetBoundsCommand setBounds =
new SetBoundsCommand(editingDomain, "MultipleShape Move", sp, spDim);
command.add(new ICommandProxy(setBounds));
}
return command;
}
@Override
protected void updateSourceRequest() {
ChangeBoundsRequest request = (ChangeBoundsRequest) getSourceRequest();
Dimension d = getDragMoveDelta();
Point location = new Point(getLocation());
Point moveDelta = new Point(0, 0);
Dimension resizeDelta = new Dimension(0, 0);
request.setConstrainedResize(false);
request.setCenteredResize(getCurrentInput().isModKeyDown(SWT.MOD1));
if ((getResizeDirection() & PositionConstants.NORTH) != 0) {
moveDelta.y += d.height;
resizeDelta.height -= d.height;
}
if ((getResizeDirection() & PositionConstants.SOUTH) != 0) {
resizeDelta.height += d.height;
}
if ((getResizeDirection() & PositionConstants.WEST) != 0) {
moveDelta.x += d.width;
resizeDelta.width -= d.width;
}
if ((getResizeDirection() & PositionConstants.EAST) != 0) {
resizeDelta.width += d.width;
}
request.setMoveDelta(moveDelta);
request.setSizeDelta(resizeDelta);
request.setLocation(location);
request.setEditParts(getOperationSet());
request.getExtendedData().clear();
// TODO: snapping
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.ToolbarLayout#layout(org.eclipse.draw2d.IFigure)
*/
@Override
public void layout(IFigure parent) {
final Rectangle clientArea = parent.getClientArea();
int x = clientArea.x;
int y = clientArea.y;
final List children = parent.getChildren();
int numChildren = children.size();
int maxHeight = 0;
for (int i = 0; i < numChildren; i++) {
IFigure child = (IFigure) children.get(i);
Dimension prefSize = getChildPreferredSize(child, clientArea.width, -1);
maxHeight = Math.max(maxHeight, prefSize.height);
}
maxHeight = Math.max(maxHeight, clientArea.height);
if (numChildren == 1) {
IFigure child = (IFigure) children.get(0);
Dimension prefSize = child.getPreferredSize(clientArea.width, -1);
prefSize.width = Math.max(prefSize.width, clientArea.width);
Rectangle newBounds = new Rectangle(x, y, prefSize.width, maxHeight);
child.setBounds(newBounds);
} else if (numChildren == 2) {
int initExpressionWidth =
(xmlTreePart.getViewer().getControl().getSize().x / 3 - 80 - 10) / 2;
IFigure child = (IFigure) children.get(0);
Rectangle newBounds = new Rectangle(x, y, initExpressionWidth, maxHeight);
child.setBounds(newBounds);
child = (IFigure) children.get(1);
Dimension prefSize = child.getPreferredSize(clientArea.width, -1);
prefSize.width = Math.max(prefSize.width, clientArea.width - initExpressionWidth);
newBounds = new Rectangle(x + initExpressionWidth, y, prefSize.width, maxHeight);
child.setBounds(newBounds);
}
}
/* (non-Javadoc)
* @see streamit.eclipse.debugger.graph.IStream#setHorizontalLocation(org.eclipse.draw2d.geometry.Point, int, int)
*/
public int setHorizontalLocation(
int currentHeight,
boolean stretchTopChannel,
boolean stretchBottomChannel,
int stretchHeight,
int currentWidth) {
Dimension topSize = fTopChannel.getSize();
Dimension pipelineSize = getSize();
Dimension bottomSize = fBottomChannel.getSize();
// expand channels
if (stretchTopChannel) {
topSize.height = stretchHeight - pipelineSize.height - bottomSize.height;
fTopChannel.setSize(topSize);
}
if (stretchBottomChannel) {
bottomSize.height = stretchHeight - pipelineSize.height - topSize.height;
fBottomChannel.setSize(bottomSize);
}
setVerticalLocation(new Point(currentWidth + pipelineSize.width / 2, currentHeight), 0);
currentWidth = currentWidth + pipelineSize.width + IStreamItGraphConstants.MARGIN / 2;
return currentWidth;
}
protected LayoutData getLayoutData() {
Dimension initSize = initFigure.getPreferredSize();
initSize.width = Math.min(initSize.width, MAX_BOX_WIDTH);
Dimension methodoSize = methodoFigure.getPreferredSize();
methodoSize.width = Math.min(methodoSize.width, MAX_BOX_WIDTH);
Dimension processSize = processFigure.getPreferredSize();
processSize.width = Math.min(processSize.width, MAX_BOX_WIDTH);
Dimension endSize = endFigure.getPreferredSize();
endSize.width = Math.min(endSize.width, MAX_BOX_WIDTH);
LayoutData data = new LayoutData();
// boxes
int initY = BOX_SPACING;
int methodoY = initY + initSize.height + BOX_SPACING;
int processY = methodoY + methodoSize.height + BOX_SPACING;
int endY = processY + processSize.height + BOX_SPACING;
int gap = processSize.width - methodoSize.width;
data.initBox = new Rectangle(processSize.width / 2, initY, initSize.width, initSize.height);
data.methodoBox = new Rectangle(gap / 2, methodoY, methodoSize.width, methodoSize.height);
data.processBox = new Rectangle(0, processY, processSize.width, processSize.height);
data.endBox = new Rectangle(processSize.width / 2, endY, endSize.width, endSize.height);
// points
int pointH = data.initBox.x + data.initBox.width / 2;
data.init2methodoPoints = new PointList(2);
data.init2methodoPoints.addPoint(pointH, data.initBox.y + data.initBox.height);
data.init2methodoPoints.addPoint(pointH, data.methodoBox.y);
data.methodo2processPoints = new PointList(2);
data.methodo2processPoints.addPoint(pointH, data.methodoBox.y + data.methodoBox.height);
data.methodo2processPoints.addPoint(pointH, data.processBox.y);
data.process2endPoints = new PointList(2);
data.process2endPoints.addPoint(pointH, data.processBox.y + data.processBox.height);
data.process2endPoints.addPoint(pointH, data.endBox.y);
// logo and status
Dimension logoSize = logoFigure.getPreferredSize();
data.logoBox = new Rectangle(0, 0, logoSize.width, logoSize.height);
Dimension statusSize = statusFigure.getPreferredSize();
int statusX =
Math.max(
data.methodoBox.x + data.methodoBox.width - statusSize.width,
data.processBox.x + data.processBox.width + BOX_SPACING);
data.statusBox = new Rectangle(statusX, 0, statusSize.width, statusSize.height);
return data;
}
protected Dimension calculatePreferredSize(IFigure container, int wHint, int hHint) {
Dimension extent = null;
for (Iterator i = container.getChildren().iterator(); i.hasNext(); ) {
IFigure child = (IFigure) i.next();
Dimension childSize = null;
if (!(child instanceof FreeformFigure)) {
childSize = child.getPreferredSize();
}
if (null != childSize) {
if (null == extent) {
extent = childSize.getCopy();
} else {
extent.width += childSize.width + getMinorSpacing();
extent.height = Math.max(extent.height, childSize.height);
}
}
}
if (null != extent) {
extent.union(container.getMinimumSize());
} else {
extent = container.getMinimumSize();
}
Insets insets = container.getInsets();
if (null == extent) {
extent = new Dimension(insets.getWidth(), insets.getHeight());
} else {
// compartment.translateToParent(extent);
extent.expand(insets.getWidth(), insets.getHeight());
}
return extent;
}