diff options
Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java')
| -rw-r--r-- | plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java | 928 |
1 files changed, 464 insertions, 464 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java index f3fc95ffec0..2bac3856b84 100644 --- a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java +++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.activity/custom-src/org/eclipse/papyrus/uml/diagram/activity/locator/PinPositionLocator.java @@ -1,464 +1,464 @@ -/*****************************************************************************
- * Copyright (c) 2009 Atos Origin.
- *
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Atos Origin - Initial API and implementation
- *
- *****************************************************************************/
-package org.eclipse.papyrus.uml.diagram.activity.locator;
-
-import org.eclipse.draw2d.AbstractPointListShape;
-import org.eclipse.draw2d.IFigure;
-import org.eclipse.draw2d.PositionConstants;
-import org.eclipse.draw2d.geometry.Dimension;
-import org.eclipse.draw2d.geometry.Point;
-import org.eclipse.draw2d.geometry.Rectangle;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode;
-import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil;
-import org.eclipse.gmf.runtime.notation.Bounds;
-import org.eclipse.papyrus.uml.diagram.activity.figures.AcceptEventActionFigure;
-import org.eclipse.papyrus.uml.diagram.activity.figures.OutputPinFigure;
-import org.eclipse.papyrus.uml.diagram.activity.figures.PinFigure;
-import org.eclipse.papyrus.uml.diagram.activity.helper.ActivityFigureDrawer;
-import org.eclipse.papyrus.uml.diagram.common.figure.node.PapyrusSendNodeFigure;
-import org.eclipse.papyrus.uml.diagram.common.locator.AdvancedBorderItemLocator;
-import org.eclipse.uml2.uml.Action;
-import org.eclipse.uml2.uml.CallOperationAction;
-
-/**
- * This class is used to constrain the position of Pin
- *
- * TODO : The pin is not re-sizable
- */
-public class PinPositionLocator extends AdvancedBorderItemLocator {
-
- /**
- * The offset to add to default position. (to avoid corner of rounded
- * rectangles)
- */
- public static final int EXTRA_BORDER_DEFAULT_OFFSET = 8;
-
- /** The default size of a pin */
- public static final int DEFAULT_PIN_SIZE = 16;
-
- /**
- * the maximum authorized x position on the template of a Send Signal Action
- * figure
- */
- private static final int SEND_SIGNAL_ACTION_MAX_X = 150;
-
- /** the width of the template of a Send Signal Action figure */
- private static final int SEND_SIGNAL_ACTION_WIDTH = 200;
-
- /** Constructor **/
- public PinPositionLocator(IFigure parentFigure) {
- super(parentFigure);
- }
-
- /** Constructor **/
- public PinPositionLocator(IFigure borderItem, IFigure parentFigure, Rectangle constraint) {
- super(borderItem, parentFigure, constraint);
- }
-
- /** Constructor **/
- public PinPositionLocator(IFigure parentFigure, int preferredSide) {
- super(parentFigure, preferredSide);
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public Rectangle getValidLocation(Rectangle proposedLocation, IFigure borderItem) {
- Rectangle realLocation = new Rectangle(proposedLocation);
- realLocation.width = Math.max(realLocation.width, realLocation.height);
- realLocation.height = realLocation.width;
- int side = findClosestAuthorizedSideOfParent(proposedLocation, getParentBorder());
- Point newTopLeft = locateOnBorder(realLocation.getTopLeft(), side, 0, borderItem);
- realLocation.setLocation(newTopLeft);
- return realLocation;
- }
-
- /**
- * The preferred side takes precedence.
- *
- * @param suggestedLocation
- * @param suggestedSide
- * @param circuitCount
- * recursion count to avoid an infinite loop
- * @return point
- */
- @Override
- protected Point locateOnBorder(Point suggestedLocation, int suggestedSide, int circuitCount, IFigure borderItem) {
- Point suggestedCenter = borderItem.getBounds().getCopy().setLocation(suggestedLocation).getCenter();
- suggestedSide = redefineSuggestedSide(suggestedCenter, suggestedSide);
- if (isInSendSignalAction()) {
- // prevent a pin too far EAST that would be on the convex sides of
- // the pentagon
- if (suggestedSide == PositionConstants.SOUTH || suggestedSide == PositionConstants.NORTH) {
- int maxLocation = getParentBorder().x + getParentBorder().width * SEND_SIGNAL_ACTION_MAX_X / SEND_SIGNAL_ACTION_WIDTH - getSize(borderItem).width;
- if (suggestedLocation.x > maxLocation) {
- suggestedLocation.x = maxLocation;
- }
- }
- }
- Point recommendedLocation = super.locateOnBorder(suggestedLocation, suggestedSide, circuitCount, borderItem);
- return recommendedLocation;
- }
-
- /**
- * Ensure the suggested location actually lies on the parent boundary. The
- * side takes precedence.
- *
- * @param suggestedLocation
- * suggested location
- * @param suggestedSide
- * suggested side
- * @param borderItem
- * the item figure
- * @return point
- */
- @Override
- protected Point locateOnParent(Point suggestedLocation, int suggestedSide, IFigure borderItem) {
- Rectangle bounds = getParentBorder();
- int parentFigureWidth = bounds.width;
- int parentFigureHeight = bounds.height;
- int parentFigureX = bounds.x;
- int parentFigureY = bounds.y;
- Dimension borderItemSize = getSize(borderItem);
- int newX = suggestedLocation.x;
- int newY = suggestedLocation.y;
- int westX = parentFigureX - borderItemSize.width + getBorderItemOffset().width;
- int eastX = parentFigureX + parentFigureWidth - getBorderItemOffset().width;
- int maxX = 0;
- if (isInSendSignalAction()) {
- // prevent a pin too far EAST that would be on the convex sides of
- // the pentagon
- if (suggestedSide == PositionConstants.SOUTH || suggestedSide == PositionConstants.NORTH) {
- maxX = parentFigureX + parentFigureWidth * SEND_SIGNAL_ACTION_MAX_X / SEND_SIGNAL_ACTION_WIDTH - getBorderItemOffset().width;
- }
- }
- int southY = parentFigureY + parentFigureHeight - getBorderItemOffset().height;
- int northY = parentFigureY - borderItemSize.height + getBorderItemOffset().height;
- if (suggestedSide == PositionConstants.WEST) {
- if (suggestedLocation.x != westX) {
- newX = westX;
- }
- if (suggestedLocation.y < bounds.getTopLeft().y) {
- newY = northY + borderItemSize.height;
- } else if (suggestedLocation.y > bounds.getBottomLeft().y - borderItemSize.height) {
- newY = southY - borderItemSize.height;
- }
- } else if (suggestedSide == PositionConstants.EAST) {
- if (suggestedLocation.x != eastX) {
- newX = eastX;
- }
- if (suggestedLocation.y < bounds.getTopLeft().y) {
- newY = northY + borderItemSize.height;
- } else if (suggestedLocation.y > bounds.getBottomLeft().y - borderItemSize.height) {
- newY = southY - borderItemSize.height;
- }
- } else if (suggestedSide == PositionConstants.SOUTH) {
- if (suggestedLocation.y != southY) {
- newY = southY;
- }
- if (suggestedLocation.x < bounds.getBottomLeft().x) {
- newX = westX + borderItemSize.width;
- } else if (suggestedLocation.x > bounds.getBottomRight().x - borderItemSize.width) {
- newX = eastX - borderItemSize.width;
- }
- } else { // NORTH
- if (suggestedLocation.y != northY) {
- newY = northY;
- }
- if (suggestedLocation.x < bounds.getBottomLeft().x) {
- newX = westX + borderItemSize.width;
- } else if (suggestedLocation.x > bounds.getBottomRight().x - borderItemSize.width) {
- newX = eastX - borderItemSize.width;
- }
- }
- if (maxX > 0 && newX > maxX) {
- newX = maxX;
- }
- return new Point(newX, newY);
- }
-
- /**
- * Recomputes the suggested side by eliminating unauthorized sides depending
- * on the action type
- *
- * @param childCenter
- * suggested location center
- * @param suggestedSide
- * suggested side
- * @return correct side
- */
- private int redefineSuggestedSide(Point childCenter, int suggestedSide) {
- if (isInSendSignalAction()) {
- // EAST side is not authorized
- if (suggestedSide == PositionConstants.EAST) {
- Point parentCenter = getParentBorder().getCenter();
- if (childCenter.y < parentCenter.y) {
- suggestedSide = PositionConstants.NORTH;
- } else {
- suggestedSide = PositionConstants.SOUTH;
- }
- }
- } else if (isInAcceptEventAction()) {
- // WEST side is not authorized
- if (suggestedSide == PositionConstants.WEST) {
- Point parentCenter = getParentBorder().getCenter();
- if (childCenter.y < parentCenter.y) {
- suggestedSide = PositionConstants.NORTH;
- } else {
- suggestedSide = PositionConstants.SOUTH;
- }
- }
- // EAST side is not authorized for AcceptTimeEventAction
- if (suggestedSide == PositionConstants.EAST && isInAcceptTimeEventAction()) {
- Point parentCenter = getParentBorder().getCenter();
- if (childCenter.y < parentCenter.y) {
- suggestedSide = PositionConstants.NORTH;
- } else {
- suggestedSide = PositionConstants.SOUTH;
- }
- }
- }
- return suggestedSide;
- }
-
- /**
- * Find the closest side when x,y is inside parent.
- *
- * @param proposedLocation
- * @param parentBorder
- * @return draw constant
- */
- public int findClosestAuthorizedSideOfParent(Rectangle proposedLocation, Rectangle parentBorder) {
- int side = findClosestSideOfParent(proposedLocation, parentBorder);
- side = redefineSuggestedSide(proposedLocation.getCenter(), side);
- return side;
- }
-
- /**
- * Know whether containing action is a SendSignalAction
- *
- * @return true is containing action is a SendSignalAction
- */
- private boolean isInSendSignalAction() {
- IFigure parentFigure = getParentFigure();
- for (Object child : parentFigure.getChildren()) {
- if (child instanceof PapyrusSendNodeFigure) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Know whether containing action is an AcceptEventAction
- *
- * @return true is containing action is an AcceptEventAction
- */
- private boolean isInAcceptEventAction() {
- IFigure parentFigure = getParentFigure();
- for (Object child : parentFigure.getChildren()) {
- if (child instanceof AcceptEventActionFigure) {
- ((AcceptEventActionFigure) child).isTemplateForAcceptTimeEventActionUsed();
- return true;
- }
- }
- return false;
- }
-
- /**
- * Know whether containing action is an AcceptTimeEventAction
- *
- * @return true is containing action is an AcceptEventAction with
- * AcceptTimeEventAction representation
- */
- private boolean isInAcceptTimeEventAction() {
- IFigure parentFigure = getParentFigure();
- for (Object child : parentFigure.getChildren()) {
- if (child instanceof AcceptEventActionFigure) {
- return ((AcceptEventActionFigure) child).isTemplateForAcceptTimeEventActionUsed();
- }
- }
- return false;
- }
-
- /**
- * Re-arrange the location of the border item, and also the contained arrow.
- *
- * @see org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator#relocate(org.eclipse.draw2d.IFigure)
- *
- * @param borderItem
- */
- @Override
- public void relocate(IFigure borderItem) {
- // reset bounds of borderItem
- Dimension size = getSize(borderItem);
- Rectangle rectSuggested = getConstraint().getCopy();
- if (rectSuggested.getTopLeft().x == 0 && rectSuggested.getTopLeft().y == 0) {
- rectSuggested.setLocation(getPreferredLocation(borderItem));
- } else {
- // recovered constraint must be translated with the parent location
- // to be absolute
- rectSuggested.setLocation(rectSuggested.getLocation().translate(getParentBorder().getTopLeft()));
- }
- rectSuggested.setSize(size);
- Rectangle validLocation = getValidLocation(rectSuggested, borderItem);
- // the constraint is not reset, but the item bounds are
- borderItem.setBounds(validLocation);
- // ensure the side property is correctly set
- setCurrentSideOfParent(findClosestAuthorizedSideOfParent(borderItem.getBounds(), getParentBorder()));
- // refresh the arrow depending on the Pin type and the side on which it
- // is located
- for (Object subfigure : borderItem.getChildren()) {
- if (subfigure instanceof IFigure) {
- for (Object child : ((IFigure) subfigure).getChildren()) {
- refreshPinDescriptorArrow(child, MapModeUtil.getMapMode(borderItem), size);
- }
- }
- }
- }
-
- /**
- * Refresh the arrow in case child is a Pin Descriptor
- *
- * @param child
- * the Pin Descriptor (no effect otherwise)
- * @param mapMode
- * the IMapMode
- * @param size
- * the size of the border item
- */
- private void refreshPinDescriptorArrow(Object child, IMapMode mapMode, Dimension size) {
- boolean arrowIn = false;
- AbstractPointListShape arrow = null;
- if (child instanceof PinFigure) {
- arrowIn = true;
- arrow = ((PinFigure) child).getOptionalArrowFigure();
- }
-
- if (child instanceof OutputPinFigure) {
- arrowIn = false;
- arrow = ((PinFigure) child).getOptionalArrowFigure();
- }
-
- if (arrow != null && arrow.getPoints().size() > 0) {
- int arrowDirection;
- int side = getCurrentSideOfParent();
- switch (side) {
- case PositionConstants.NORTH:
- if (arrowIn) {
- arrowDirection = PositionConstants.SOUTH;
- } else {
- arrowDirection = PositionConstants.NORTH;
- }
- break;
- case PositionConstants.EAST:
- if (arrowIn) {
- arrowDirection = PositionConstants.WEST;
- } else {
- arrowDirection = PositionConstants.EAST;
- }
- break;
- case PositionConstants.SOUTH:
- if (arrowIn) {
- arrowDirection = PositionConstants.NORTH;
- } else {
- arrowDirection = PositionConstants.SOUTH;
- }
- break;
- case PositionConstants.WEST:
- default:
- if (arrowIn) {
- arrowDirection = PositionConstants.EAST;
- } else {
- arrowDirection = PositionConstants.WEST;
- }
- }
- ActivityFigureDrawer.redrawPinArrow(arrow, mapMode, size, arrowDirection);
- }
- }
-
- /**
- * Get an initial location based on the side. ( appropriate extremity of the
- * side )
- *
- * @param side
- * the preferred side of the parent figure on which to place this
- * border item as defined in {@link PositionConstants}
- * @return point
- */
- @Override
- protected Point getPreferredLocation(int side, IFigure borderItem) {
- Rectangle bounds = getParentBorder();
- int parentFigureWidth = bounds.width;
- int parentFigureHeight = bounds.height;
- int parentFigureX = bounds.x;
- int parentFigureY = bounds.y;
- int x = parentFigureX;
- int y = parentFigureY;
- Dimension borderItemSize = getSize(borderItem);
- switch (side) {
- case PositionConstants.NORTH:
- x += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().width;
- y += -borderItemSize.height + getBorderItemOffset().height;
- break;
- case PositionConstants.EAST:
- // take south east extremity to allow following pins placing above
- x += parentFigureWidth - getBorderItemOffset().width;
- y += parentFigureHeight - borderItemSize.height - EXTRA_BORDER_DEFAULT_OFFSET - getBorderItemOffset().height;
- break;
- case PositionConstants.SOUTH:
- x += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().width;
- y += parentFigureHeight - getBorderItemOffset().height;
- break;
- case PositionConstants.WEST:
- default:
- x += -borderItemSize.width + getBorderItemOffset().width;
- y += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().height;
- }
- return new Point(x, y);
- }
-
- /**
- * Adapt the bounds constraint to fit to the action's contained pins
- *
- * @param boundsConstraint
- * the constraint to adapt
- * @param domainElement
- * the model action
- * @return
- * @return boundsConstraint for convenience
- *
- */
- public static Bounds adaptActionHeight(Bounds boundsConstraint, EObject domainElement) {
- if (domainElement instanceof Action) {
- int pinsOnHeight = 0;
- int numberOfInputs = ((Action) domainElement).getInputs().size();
- int numberOfOutputs = ((Action) domainElement).getOutputs().size();
- if (domainElement instanceof CallOperationAction) {
- // target is located on top
- pinsOnHeight = Math.max(numberOfInputs - 1, numberOfOutputs);
- } else {
- pinsOnHeight = Math.max(numberOfInputs, numberOfOutputs);
- }
- if (pinsOnHeight > 0) {
- // each pin is 16 px height, consider extra px for margins
- int heightInPx = 2 * EXTRA_BORDER_DEFAULT_OFFSET + pinsOnHeight * (DEFAULT_PIN_SIZE + 8) - 8;
- boundsConstraint.setHeight(heightInPx);
- }
- }
- return boundsConstraint;
- }
-}
+/***************************************************************************** + * Copyright (c) 2009 Atos Origin. + * + * + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Atos Origin - Initial API and implementation + * + *****************************************************************************/ +package org.eclipse.papyrus.uml.diagram.activity.locator; + +import org.eclipse.draw2d.AbstractPointListShape; +import org.eclipse.draw2d.IFigure; +import org.eclipse.draw2d.PositionConstants; +import org.eclipse.draw2d.geometry.Dimension; +import org.eclipse.draw2d.geometry.Point; +import org.eclipse.draw2d.geometry.Rectangle; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode; +import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil; +import org.eclipse.gmf.runtime.notation.Bounds; +import org.eclipse.papyrus.uml.diagram.activity.figures.AcceptEventActionFigure; +import org.eclipse.papyrus.uml.diagram.activity.figures.OutputPinFigure; +import org.eclipse.papyrus.uml.diagram.activity.figures.PinFigure; +import org.eclipse.papyrus.uml.diagram.activity.helper.ActivityFigureDrawer; +import org.eclipse.papyrus.uml.diagram.common.figure.node.PapyrusSendNodeFigure; +import org.eclipse.papyrus.uml.diagram.common.locator.AdvancedBorderItemLocator; +import org.eclipse.uml2.uml.Action; +import org.eclipse.uml2.uml.CallOperationAction; + +/** + * This class is used to constrain the position of Pin + * + * TODO : The pin is not re-sizable + */ +public class PinPositionLocator extends AdvancedBorderItemLocator { + + /** + * The offset to add to default position. (to avoid corner of rounded + * rectangles) + */ + public static final int EXTRA_BORDER_DEFAULT_OFFSET = 8; + + /** The default size of a pin */ + public static final int DEFAULT_PIN_SIZE = 16; + + /** + * the maximum authorized x position on the template of a Send Signal Action + * figure + */ + private static final int SEND_SIGNAL_ACTION_MAX_X = 150; + + /** the width of the template of a Send Signal Action figure */ + private static final int SEND_SIGNAL_ACTION_WIDTH = 200; + + /** Constructor **/ + public PinPositionLocator(IFigure parentFigure) { + super(parentFigure); + } + + /** Constructor **/ + public PinPositionLocator(IFigure borderItem, IFigure parentFigure, Rectangle constraint) { + super(borderItem, parentFigure, constraint); + } + + /** Constructor **/ + public PinPositionLocator(IFigure parentFigure, int preferredSide) { + super(parentFigure, preferredSide); + } + + /** + * {@inheritDoc} + */ + @Override + public Rectangle getValidLocation(Rectangle proposedLocation, IFigure borderItem) { + Rectangle realLocation = new Rectangle(proposedLocation); + realLocation.width = Math.max(realLocation.width, realLocation.height); + realLocation.height = realLocation.width; + int side = findClosestAuthorizedSideOfParent(proposedLocation, getParentBorder()); + Point newTopLeft = locateOnBorder(realLocation.getTopLeft(), side, 0, borderItem); + realLocation.setLocation(newTopLeft); + return realLocation; + } + + /** + * The preferred side takes precedence. + * + * @param suggestedLocation + * @param suggestedSide + * @param circuitCount + * recursion count to avoid an infinite loop + * @return point + */ + @Override + protected Point locateOnBorder(Point suggestedLocation, int suggestedSide, int circuitCount, IFigure borderItem) { + Point suggestedCenter = borderItem.getBounds().getCopy().setLocation(suggestedLocation).getCenter(); + suggestedSide = redefineSuggestedSide(suggestedCenter, suggestedSide); + if (isInSendSignalAction()) { + // prevent a pin too far EAST that would be on the convex sides of + // the pentagon + if (suggestedSide == PositionConstants.SOUTH || suggestedSide == PositionConstants.NORTH) { + int maxLocation = getParentBorder().x + getParentBorder().width * SEND_SIGNAL_ACTION_MAX_X / SEND_SIGNAL_ACTION_WIDTH - getSize(borderItem).width; + if (suggestedLocation.x > maxLocation) { + suggestedLocation.x = maxLocation; + } + } + } + Point recommendedLocation = super.locateOnBorder(suggestedLocation, suggestedSide, circuitCount, borderItem); + return recommendedLocation; + } + + /** + * Ensure the suggested location actually lies on the parent boundary. The + * side takes precedence. + * + * @param suggestedLocation + * suggested location + * @param suggestedSide + * suggested side + * @param borderItem + * the item figure + * @return point + */ + @Override + protected Point locateOnParent(Point suggestedLocation, int suggestedSide, IFigure borderItem) { + Rectangle bounds = getParentBorder(); + int parentFigureWidth = bounds.width; + int parentFigureHeight = bounds.height; + int parentFigureX = bounds.x; + int parentFigureY = bounds.y; + Dimension borderItemSize = getSize(borderItem); + int newX = suggestedLocation.x; + int newY = suggestedLocation.y; + int westX = parentFigureX - borderItemSize.width + getBorderItemOffset().width; + int eastX = parentFigureX + parentFigureWidth - getBorderItemOffset().width; + int maxX = 0; + if (isInSendSignalAction()) { + // prevent a pin too far EAST that would be on the convex sides of + // the pentagon + if (suggestedSide == PositionConstants.SOUTH || suggestedSide == PositionConstants.NORTH) { + maxX = parentFigureX + parentFigureWidth * SEND_SIGNAL_ACTION_MAX_X / SEND_SIGNAL_ACTION_WIDTH - getBorderItemOffset().width; + } + } + int southY = parentFigureY + parentFigureHeight - getBorderItemOffset().height; + int northY = parentFigureY - borderItemSize.height + getBorderItemOffset().height; + if (suggestedSide == PositionConstants.WEST) { + if (suggestedLocation.x != westX) { + newX = westX; + } + if (suggestedLocation.y < bounds.getTopLeft().y) { + newY = northY + borderItemSize.height; + } else if (suggestedLocation.y > bounds.getBottomLeft().y - borderItemSize.height) { + newY = southY - borderItemSize.height; + } + } else if (suggestedSide == PositionConstants.EAST) { + if (suggestedLocation.x != eastX) { + newX = eastX; + } + if (suggestedLocation.y < bounds.getTopLeft().y) { + newY = northY + borderItemSize.height; + } else if (suggestedLocation.y > bounds.getBottomLeft().y - borderItemSize.height) { + newY = southY - borderItemSize.height; + } + } else if (suggestedSide == PositionConstants.SOUTH) { + if (suggestedLocation.y != southY) { + newY = southY; + } + if (suggestedLocation.x < bounds.getBottomLeft().x) { + newX = westX + borderItemSize.width; + } else if (suggestedLocation.x > bounds.getBottomRight().x - borderItemSize.width) { + newX = eastX - borderItemSize.width; + } + } else { // NORTH + if (suggestedLocation.y != northY) { + newY = northY; + } + if (suggestedLocation.x < bounds.getBottomLeft().x) { + newX = westX + borderItemSize.width; + } else if (suggestedLocation.x > bounds.getBottomRight().x - borderItemSize.width) { + newX = eastX - borderItemSize.width; + } + } + if (maxX > 0 && newX > maxX) { + newX = maxX; + } + return new Point(newX, newY); + } + + /** + * Recomputes the suggested side by eliminating unauthorized sides depending + * on the action type + * + * @param childCenter + * suggested location center + * @param suggestedSide + * suggested side + * @return correct side + */ + private int redefineSuggestedSide(Point childCenter, int suggestedSide) { + if (isInSendSignalAction()) { + // EAST side is not authorized + if (suggestedSide == PositionConstants.EAST) { + Point parentCenter = getParentBorder().getCenter(); + if (childCenter.y < parentCenter.y) { + suggestedSide = PositionConstants.NORTH; + } else { + suggestedSide = PositionConstants.SOUTH; + } + } + } else if (isInAcceptEventAction()) { + // WEST side is not authorized + if (suggestedSide == PositionConstants.WEST) { + Point parentCenter = getParentBorder().getCenter(); + if (childCenter.y < parentCenter.y) { + suggestedSide = PositionConstants.NORTH; + } else { + suggestedSide = PositionConstants.SOUTH; + } + } + // EAST side is not authorized for AcceptTimeEventAction + if (suggestedSide == PositionConstants.EAST && isInAcceptTimeEventAction()) { + Point parentCenter = getParentBorder().getCenter(); + if (childCenter.y < parentCenter.y) { + suggestedSide = PositionConstants.NORTH; + } else { + suggestedSide = PositionConstants.SOUTH; + } + } + } + return suggestedSide; + } + + /** + * Find the closest side when x,y is inside parent. + * + * @param proposedLocation + * @param parentBorder + * @return draw constant + */ + public int findClosestAuthorizedSideOfParent(Rectangle proposedLocation, Rectangle parentBorder) { + int side = findClosestSideOfParent(proposedLocation, parentBorder); + side = redefineSuggestedSide(proposedLocation.getCenter(), side); + return side; + } + + /** + * Know whether containing action is a SendSignalAction + * + * @return true is containing action is a SendSignalAction + */ + private boolean isInSendSignalAction() { + IFigure parentFigure = getParentFigure(); + for (Object child : parentFigure.getChildren()) { + if (child instanceof PapyrusSendNodeFigure) { + return true; + } + } + return false; + } + + /** + * Know whether containing action is an AcceptEventAction + * + * @return true is containing action is an AcceptEventAction + */ + private boolean isInAcceptEventAction() { + IFigure parentFigure = getParentFigure(); + for (Object child : parentFigure.getChildren()) { + if (child instanceof AcceptEventActionFigure) { + ((AcceptEventActionFigure) child).isTemplateForAcceptTimeEventActionUsed(); + return true; + } + } + return false; + } + + /** + * Know whether containing action is an AcceptTimeEventAction + * + * @return true is containing action is an AcceptEventAction with + * AcceptTimeEventAction representation + */ + private boolean isInAcceptTimeEventAction() { + IFigure parentFigure = getParentFigure(); + for (Object child : parentFigure.getChildren()) { + if (child instanceof AcceptEventActionFigure) { + return ((AcceptEventActionFigure) child).isTemplateForAcceptTimeEventActionUsed(); + } + } + return false; + } + + /** + * Re-arrange the location of the border item, and also the contained arrow. + * + * @see org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator#relocate(org.eclipse.draw2d.IFigure) + * + * @param borderItem + */ + @Override + public void relocate(IFigure borderItem) { + // reset bounds of borderItem + Dimension size = getSize(borderItem); + Rectangle rectSuggested = getConstraint().getCopy(); + if (rectSuggested.getTopLeft().x == 0 && rectSuggested.getTopLeft().y == 0) { + rectSuggested.setLocation(getPreferredLocation(borderItem)); + } else { + // recovered constraint must be translated with the parent location + // to be absolute + rectSuggested.setLocation(rectSuggested.getLocation().translate(getParentBorder().getTopLeft())); + } + rectSuggested.setSize(size); + Rectangle validLocation = getValidLocation(rectSuggested, borderItem); + // the constraint is not reset, but the item bounds are + borderItem.setBounds(validLocation); + // ensure the side property is correctly set + setCurrentSideOfParent(findClosestAuthorizedSideOfParent(borderItem.getBounds(), getParentBorder())); + // refresh the arrow depending on the Pin type and the side on which it + // is located + for (Object subfigure : borderItem.getChildren()) { + if (subfigure instanceof IFigure) { + for (Object child : ((IFigure) subfigure).getChildren()) { + refreshPinDescriptorArrow(child, MapModeUtil.getMapMode(borderItem), size); + } + } + } + } + + /** + * Refresh the arrow in case child is a Pin Descriptor + * + * @param child + * the Pin Descriptor (no effect otherwise) + * @param mapMode + * the IMapMode + * @param size + * the size of the border item + */ + private void refreshPinDescriptorArrow(Object child, IMapMode mapMode, Dimension size) { + boolean arrowIn = false; + AbstractPointListShape arrow = null; + if (child instanceof PinFigure) { + arrowIn = true; + arrow = ((PinFigure) child).getOptionalArrowFigure(); + } + + if (child instanceof OutputPinFigure) { + arrowIn = false; + arrow = ((PinFigure) child).getOptionalArrowFigure(); + } + + if (arrow != null && arrow.getPoints().size() > 0) { + int arrowDirection; + int side = getCurrentSideOfParent(); + switch (side) { + case PositionConstants.NORTH: + if (arrowIn) { + arrowDirection = PositionConstants.SOUTH; + } else { + arrowDirection = PositionConstants.NORTH; + } + break; + case PositionConstants.EAST: + if (arrowIn) { + arrowDirection = PositionConstants.WEST; + } else { + arrowDirection = PositionConstants.EAST; + } + break; + case PositionConstants.SOUTH: + if (arrowIn) { + arrowDirection = PositionConstants.NORTH; + } else { + arrowDirection = PositionConstants.SOUTH; + } + break; + case PositionConstants.WEST: + default: + if (arrowIn) { + arrowDirection = PositionConstants.EAST; + } else { + arrowDirection = PositionConstants.WEST; + } + } + ActivityFigureDrawer.redrawPinArrow(arrow, mapMode, size, arrowDirection); + } + } + + /** + * Get an initial location based on the side. ( appropriate extremity of the + * side ) + * + * @param side + * the preferred side of the parent figure on which to place this + * border item as defined in {@link PositionConstants} + * @return point + */ + @Override + protected Point getPreferredLocation(int side, IFigure borderItem) { + Rectangle bounds = getParentBorder(); + int parentFigureWidth = bounds.width; + int parentFigureHeight = bounds.height; + int parentFigureX = bounds.x; + int parentFigureY = bounds.y; + int x = parentFigureX; + int y = parentFigureY; + Dimension borderItemSize = getSize(borderItem); + switch (side) { + case PositionConstants.NORTH: + x += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().width; + y += -borderItemSize.height + getBorderItemOffset().height; + break; + case PositionConstants.EAST: + // take south east extremity to allow following pins placing above + x += parentFigureWidth - getBorderItemOffset().width; + y += parentFigureHeight - borderItemSize.height - EXTRA_BORDER_DEFAULT_OFFSET - getBorderItemOffset().height; + break; + case PositionConstants.SOUTH: + x += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().width; + y += parentFigureHeight - getBorderItemOffset().height; + break; + case PositionConstants.WEST: + default: + x += -borderItemSize.width + getBorderItemOffset().width; + y += EXTRA_BORDER_DEFAULT_OFFSET + getBorderItemOffset().height; + } + return new Point(x, y); + } + + /** + * Adapt the bounds constraint to fit to the action's contained pins + * + * @param boundsConstraint + * the constraint to adapt + * @param domainElement + * the model action + * @return + * @return boundsConstraint for convenience + * + */ + public static Bounds adaptActionHeight(Bounds boundsConstraint, EObject domainElement) { + if (domainElement instanceof Action) { + int pinsOnHeight = 0; + int numberOfInputs = ((Action) domainElement).getInputs().size(); + int numberOfOutputs = ((Action) domainElement).getOutputs().size(); + if (domainElement instanceof CallOperationAction) { + // target is located on top + pinsOnHeight = Math.max(numberOfInputs - 1, numberOfOutputs); + } else { + pinsOnHeight = Math.max(numberOfInputs, numberOfOutputs); + } + if (pinsOnHeight > 0) { + // each pin is 16 px height, consider extra px for margins + int heightInPx = 2 * EXTRA_BORDER_DEFAULT_OFFSET + pinsOnHeight * (DEFAULT_PIN_SIZE + 8) - 8; + boundsConstraint.setHeight(heightInPx); + } + } + return boundsConstraint; + } +} |