From 8ea3ec2e74deb6ac0918489a29d66682da96cca4 Mon Sep 17 00:00:00 2001
From: Florian Hoelzl <hoelzl@fortiss.org>
Date: Tue, 23 Aug 2011 14:08:54 +0000
Subject: [PATCH] refactored GEF editor base
---
.../editor/gef/GraphicalViewerEditorBase.java | 31 ++++++
.../base/ui/editpart/DiagramEditPartBase.java | 75 +++++++++++++-
.../base/ui/editpart/ElementEditPartBase.java | 14 +++
.../editpart/FreeConnectorEditPartBase.java | 8 ++
.../LayoutedConnectionEditPartBase.java | 97 ++++++++++++++++++-
.../editpart/StickyConnectorEditPartBase.java | 7 ++
6 files changed, 227 insertions(+), 5 deletions(-)
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/gef/GraphicalViewerEditorBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/gef/GraphicalViewerEditorBase.java
index 14c6a0cd5..fd6658b3f 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/gef/GraphicalViewerEditorBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/gef/GraphicalViewerEditorBase.java
@@ -22,18 +22,24 @@ import java.util.Arrays;
import java.util.List;
import org.conqat.ide.commons.gef.editpart.EditPartUtils;
+import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditDomain;
+import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartFactory;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.MouseWheelHandler;
import org.eclipse.gef.MouseWheelZoomHandler;
+import org.eclipse.gef.Request;
import org.eclipse.gef.RootEditPart;
+import org.eclipse.gef.SnapToGeometry;
+import org.eclipse.gef.SnapToGrid;
import org.eclipse.gef.commands.CommandStack;
import org.eclipse.gef.editparts.ScalableFreeformRootEditPart;
import org.eclipse.gef.editparts.ScalableRootEditPart;
import org.eclipse.gef.editparts.ZoomManager;
+import org.eclipse.gef.editpolicies.AbstractEditPolicy;
import org.eclipse.gef.ui.actions.ActionRegistry;
import org.eclipse.gef.ui.actions.DeleteAction;
import org.eclipse.gef.ui.actions.PrintAction;
@@ -66,6 +72,7 @@ import org.fortiss.tooling.base.ui.action.PasteModelElementAction;
import org.fortiss.tooling.base.ui.dnd.DropTargetListener;
import org.fortiss.tooling.base.ui.editpart.ExtendedLayerRootEditPart;
import org.fortiss.tooling.base.ui.editpart.figure.EVisualStyle;
+import org.fortiss.tooling.base.ui.layout.constants.DefaultLayoutConstants;
import org.fortiss.tooling.kernel.ui.service.IEditPartFactoryService;
/**
@@ -145,6 +152,30 @@ public class GraphicalViewerEditorBase<T extends EObject> extends EditorBase<T>
// drag and drop
viewer.addDropTargetListener(new DropTargetListener(viewer));
+
+ viewer.getControl().setBackground(parent.getBackground());
+ viewer.setProperty(SnapToGeometry.PROPERTY_SNAP_ENABLED, true);
+ viewer.setProperty(SnapToGrid.PROPERTY_GRID_ORIGIN,
+ DefaultLayoutConstants.DEFAULT_GRID_ORIGIN);
+
+ Dimension gridSpacing = new Dimension(
+ DefaultLayoutConstants.DEFAULT_GRID_SIZE,
+ DefaultLayoutConstants.DEFAULT_GRID_SIZE);
+ viewer.setProperty(SnapToGrid.PROPERTY_GRID_SPACING, gridSpacing);
+ viewer.setProperty(SnapToGrid.PROPERTY_GRID_ENABLED, true);
+ viewer.setProperty(SnapToGrid.PROPERTY_GRID_VISIBLE, true);
+
+ // this is needed by direct connection feature. the root edit part
+ // becomes transparent when GEF selects a tool on button down event.
+ // we have to reloacte the call to the underlying root's content
+ ((ScalableRootEditPart) viewer.getRootEditPart()).installEditPolicy(
+ "Test", new AbstractEditPolicy() {
+ @Override
+ public EditPart getTargetEditPart(Request request) {
+ return getHost().getRoot().getContents()
+ .getTargetEditPart(request);
+ }
+ });
}
/** {@inheritDoc} */
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/DiagramEditPartBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/DiagramEditPartBase.java
index a538603f1..9319a5000 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/DiagramEditPartBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/DiagramEditPartBase.java
@@ -22,17 +22,27 @@ import java.util.List;
import org.eclipse.draw2d.BendpointConnectionRouter;
import org.eclipse.draw2d.ColorConstants;
+import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.ConnectionLayer;
import org.eclipse.draw2d.ConnectionRouter;
import org.eclipse.draw2d.FreeformLayer;
import org.eclipse.draw2d.IFigure;
+import org.eclipse.draw2d.XYAnchor;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.emf.ecore.EObject;
+import org.eclipse.gef.ConnectionEditPart;
+import org.eclipse.gef.DragTracker;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.LayerConstants;
+import org.eclipse.gef.NodeEditPart;
+import org.eclipse.gef.Request;
import org.eclipse.gef.SnapToHelper;
import org.eclipse.gef.editpolicies.RootComponentEditPolicy;
import org.eclipse.gef.editpolicies.SnapFeedbackPolicy;
+import org.eclipse.gef.requests.CreateConnectionRequest;
+import org.eclipse.gef.requests.SelectionRequest;
+import org.eclipse.gef.tools.ConnectionDragCreationTool;
+import org.eclipse.gef.tools.MarqueeDragTracker;
import org.eclipse.swt.SWT;
import org.fortiss.tooling.base.ui.editpart.policy.ConnectionGraphicalNodeEditPolicy;
import org.fortiss.tooling.base.ui.editpart.policy.DiagramLayoutEditPolicy;
@@ -50,7 +60,7 @@ import org.fortiss.tooling.base.ui.layout.util.SnapToGridUtils;
* @ConQAT.Rating YELLOW Hash: 76BF89DC0EFA9511DDF95CA4EC32C074
*/
public abstract class DiagramEditPartBase<T extends EObject> extends
- GraphicalEditPartBase<T> {
+ GraphicalEditPartBase<T> implements NodeEditPart {
/** Stores the connection router. */
private final ConnectionRouter connectionRouter;
@@ -102,6 +112,33 @@ public abstract class DiagramEditPartBase<T extends EObject> extends
return true;
}
+ /**
+ * {@inheritDoc}
+ * <p>
+ * This enables the creation of connections using ALT or CTRL key.
+ */
+ @Override
+ public DragTracker getDragTracker(Request request) {
+ if (supportsDrag() && request instanceof SelectionRequest) {
+ SelectionRequest sr = (SelectionRequest) request;
+ if (sr.getLastButtonPressed() == 1
+ && (sr.isAltKeyPressed() || sr.isControlKeyPressed())) {
+ return new ConnectionDragCreationTool();
+ } else if (sr.getLastButtonPressed() == 1) {
+ return new MarqueeDragTracker();
+ }
+ }
+ return super.getDragTracker(request);
+ }
+
+ /**
+ * Supports drags (e.g. used in direct connections). The default is
+ * <code>true</code>.
+ */
+ protected boolean supportsDrag() {
+ return true;
+ }
+
/** {@inheritDoc} */
@SuppressWarnings("rawtypes")
@Override
@@ -135,4 +172,40 @@ public abstract class DiagramEditPartBase<T extends EObject> extends
cLayer.setConnectionRouter(connectionRouter);
}
}
+
+ /** {@inheritDoc} */
+ @Override
+ public ConnectionAnchor getSourceConnectionAnchor(
+ ConnectionEditPart connection) {
+ // not needed
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public ConnectionAnchor getSourceConnectionAnchor(Request request) {
+ if (request instanceof CreateConnectionRequest) {
+ return new XYAnchor(
+ ((CreateConnectionRequest) request).getLocation());
+ }
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public ConnectionAnchor getTargetConnectionAnchor(
+ ConnectionEditPart connection) {
+ // not needed
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public ConnectionAnchor getTargetConnectionAnchor(Request request) {
+ if (request instanceof CreateConnectionRequest) {
+ return new XYAnchor(
+ ((CreateConnectionRequest) request).getLocation());
+ }
+ return null;
+ }
}
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ElementEditPartBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ElementEditPartBase.java
index d6d6c2b50..de0ff1916 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ElementEditPartBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ElementEditPartBase.java
@@ -20,9 +20,12 @@ package org.fortiss.tooling.base.ui.editpart;
import java.util.List;
import org.conqat.lib.commons.string.StringUtils;
+import org.eclipse.draw2d.ChopboxAnchor;
+import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
@@ -111,6 +114,7 @@ public abstract class ElementEditPartBase<T extends ILayoutedModelElement & INam
}
/** {@inheritDoc} */
+ @SuppressWarnings("unchecked")
@Override
protected void refreshVisuals() {
super.refreshVisuals();
@@ -128,6 +132,16 @@ public abstract class ElementEditPartBase<T extends ILayoutedModelElement & INam
labelBounds.width -= 4 * DefaultLayoutConstants.DEFAULT_SHAPE_INSETS;
labelBounds.height = textBounds.height;
labelFigure.setBounds(labelBounds);
+
+ for (EditPart child : (List<EditPart>) getChildren()) {
+ child.refresh();
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ protected ConnectionAnchor defaultConnectionAnchor() {
+ return new ChopboxAnchor(getFigure());
}
/**
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/FreeConnectorEditPartBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/FreeConnectorEditPartBase.java
index aa67cfbb7..835e545a4 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/FreeConnectorEditPartBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/FreeConnectorEditPartBase.java
@@ -17,6 +17,7 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.base.ui.editpart;
+import org.fortiss.tooling.base.model.base.ExitConnectorBase;
import org.fortiss.tooling.base.model.element.IConnector;
import org.fortiss.tooling.base.model.layout.ILayoutedModelElement;
import org.fortiss.tooling.kernel.model.INamedCommentedElement;
@@ -38,4 +39,11 @@ public abstract class FreeConnectorEditPartBase<T extends ILayoutedModelElement
protected FreeConnectorEditPartBase(T modelElement) {
super(modelElement);
}
+
+ /** {@inheritDoc} */
+ @Override
+ protected boolean isTarget() {
+ // logic is reversed for free ports.
+ return modelElement instanceof ExitConnectorBase;
+ }
}
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/LayoutedConnectionEditPartBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/LayoutedConnectionEditPartBase.java
index 18f115000..bb2640703 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/LayoutedConnectionEditPartBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/LayoutedConnectionEditPartBase.java
@@ -17,12 +17,28 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.base.ui.editpart;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.draw2d.AbsoluteBendpoint;
+import org.eclipse.draw2d.BendpointConnectionRouter;
+import org.eclipse.draw2d.Graphics;
+import org.eclipse.draw2d.Label;
+import org.eclipse.draw2d.MidpointLocator;
+import org.eclipse.draw2d.PolygonDecoration;
+import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.util.EContentAdapter;
-import org.fortiss.tooling.base.model.element.IConnection;
-import org.fortiss.tooling.base.model.layout.ILayoutedModelElement;
+import org.eclipse.gef.EditPolicy;
+import org.eclipse.gef.editpolicies.ConnectionEndpointEditPolicy;
+import org.fortiss.tooling.base.model.base.ConnectionSegmentBase;
import org.fortiss.tooling.base.model.layout.LayoutPackage;
+import org.fortiss.tooling.base.model.layout.Point;
+import org.fortiss.tooling.base.model.layout.Points;
+import org.fortiss.tooling.base.ui.editpart.policy.RemoveEditPolicy;
+import org.fortiss.tooling.base.ui.layout.constants.DefaultLayoutConstants;
+import org.fortiss.tooling.base.ui.layout.util.LayoutDataUtils;
/**
* The base class for all layouted connection edit parts. This makes sure the
@@ -36,12 +52,17 @@ import org.fortiss.tooling.base.model.layout.LayoutPackage;
* @version $Rev$
* @ConQAT.Rating YELLOW Hash: 4528B935FD404A834CBD215E46A1BFC1
*/
-public abstract class LayoutedConnectionEditPartBase<T extends ILayoutedModelElement & IConnection>
+public abstract class LayoutedConnectionEditPartBase<T extends ConnectionSegmentBase>
extends ConnectionEditPartBase<T> {
- // TODO (FH): check for collision with full refresh adapter of super class !
+ /** The connection drawn. */
+ protected PolylineConnection connection;
+
+ /** The label drawn next to the connection. */
+ protected final Label relationshipLabel = new Label(modelElement.getName());
/** The adapter used for dealing with changes of the */
+ // TODO (FH): check for collision with full refresh adapter of super class !
protected final Adapter layoutChanged = new EContentAdapter() {
@Override
@@ -64,6 +85,68 @@ public abstract class LayoutedConnectionEditPartBase<T extends ILayoutedModelEle
super(modelElement);
}
+ /** {@inheritDoc} */
+ @Override
+ protected void createEditPolicies() {
+ installEditPolicy(EditPolicy.COMPONENT_ROLE, new RemoveEditPolicy());
+ installEditPolicy(EditPolicy.CONNECTION_BENDPOINTS_ROLE,
+ createBendPointPolicy());
+ installEditPolicy(EditPolicy.CONNECTION_ENDPOINTS_ROLE,
+ new ConnectionEndpointEditPolicy());
+ }
+
+ /** Updates the bend points, based on the model. */
+ protected void refreshBendpoints() {
+ Points pts = LayoutDataUtils.getConnectionPoints(modelElement);
+
+ List<AbsoluteBendpoint> figureConstraint = new ArrayList<AbsoluteBendpoint>();
+ int size = 0;
+ if (pts != null) {
+ size = pts.getPointsLength();
+ for (int i = 0; i < size; i++) {
+ Point pt = pts.getPoints(i);
+ org.eclipse.draw2d.geometry.Point p = new org.eclipse.draw2d.geometry.Point(
+ pt.getX(), pt.getY());
+
+ figureConstraint.add(new AbsoluteBendpoint(p));
+ }
+ }
+
+ // Update connection label
+ if (connection.getChildren().contains(relationshipLabel)) {
+ connection.remove(relationshipLabel);
+ }
+ relationshipLabel.setText(modelElement.getName());
+ MidpointLocator mpl = new MidpointLocator(connection, size / 2) {
+ @Override
+ protected org.eclipse.draw2d.geometry.Point getReferencePoint() {
+ org.eclipse.draw2d.geometry.Point p = super.getReferencePoint();
+ p.y += DefaultLayoutConstants.DEFAULT_GRID_SIZE;
+ return p;
+ }
+ };
+ connection.add(relationshipLabel, mpl);
+
+ getConnectionFigure().setRoutingConstraint(figureConstraint);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ protected PolylineConnection createFigure() {
+ connection = new PolylineConnection();
+
+ // arrow at target end point
+ connection.setTargetDecoration(new PolygonDecoration());
+ connection.setLineStyle(Graphics.LINE_SOLID);
+
+ BendpointConnectionRouter connectionRouter = new BendpointConnectionRouter();
+ connection.setConnectionRouter(connectionRouter);
+ return connection;
+ }
+
+ /** Create connection specific bend point policy. */
+ protected abstract EditPolicy createBendPointPolicy();
+
/** {@inheritDoc} */
@Override
public void activate() {
@@ -77,4 +160,10 @@ public abstract class LayoutedConnectionEditPartBase<T extends ILayoutedModelEle
modelElement.eAdapters().remove(layoutChanged);
super.deactivate();
}
+
+ /** {@inheritDoc} */
+ @Override
+ protected void refreshVisuals() {
+ refreshBendpoints();
+ }
}
diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/StickyConnectorEditPartBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/StickyConnectorEditPartBase.java
index 6d9dc13cb..da9a3d732 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/StickyConnectorEditPartBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/StickyConnectorEditPartBase.java
@@ -18,6 +18,7 @@ $Id$
package org.fortiss.tooling.base.ui.editpart;
import org.eclipse.draw2d.geometry.Rectangle;
+import org.fortiss.tooling.base.model.base.EntryConnectorBase;
import org.fortiss.tooling.base.model.element.IConnector;
import org.fortiss.tooling.base.model.layout.ILayoutedModelElement;
import org.fortiss.tooling.base.ui.layout.constants.DefaultLayoutConstants;
@@ -54,4 +55,10 @@ public abstract class StickyConnectorEditPartBase<T extends ILayoutedModelElemen
DefaultLayoutConstants.DEFAULT_CONNECTOR_SIZE,
DefaultLayoutConstants.DEFAULT_CONNECTOR_SIZE);
}
+
+ /** {@inheritDoc} */
+ @Override
+ protected boolean isTarget() {
+ return modelElement instanceof EntryConnectorBase;
+ }
}
--
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