Source Code Cross Referenced for Expression3EditPart.java in  » Workflow-Engines » osbl-1_0 » newprocess » diagram » edit » parts » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » osbl 1_0 » newprocess.diagram.edit.parts 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package newprocess.diagram.edit.parts;
002:
003:        import java.util.Iterator;
004:        import java.util.List;
005:
006:        import newprocess.diagram.cust.figures.TermDefaultSizeNodeFigure;
007:        import newprocess.diagram.cust.locator.RootTermBorderItemLocator;
008:        import newprocess.diagram.cust.locator.TermtBorderItemLocator;
009:        import newprocess.diagram.cust.policies.NodeComponentEditPolicy;
010:        import newprocess.diagram.edit.policies.Expression3CanonicalEditPolicy;
011:        import newprocess.diagram.edit.policies.Expression3ItemSemanticEditPolicy;
012:
013:        import org.eclipse.draw2d.Graphics;
014:        import org.eclipse.draw2d.IFigure;
015:        import org.eclipse.draw2d.PositionConstants;
016:        import org.eclipse.draw2d.RectangleFigure;
017:        import org.eclipse.draw2d.StackLayout;
018:        import org.eclipse.draw2d.geometry.Dimension;
019:        import org.eclipse.gef.EditPart;
020:        import org.eclipse.gef.EditPolicy;
021:        import org.eclipse.gef.Request;
022:        import org.eclipse.gef.commands.Command;
023:        import org.eclipse.gef.editpolicies.LayoutEditPolicy;
024:        import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
025:        import org.eclipse.gef.requests.CreateRequest;
026:        import org.eclipse.gmf.runtime.diagram.ui.editparts.AbstractBorderedShapeEditPart;
027:        import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
028:        import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
029:        import org.eclipse.gmf.runtime.diagram.ui.editpolicies.BorderItemSelectionEditPolicy;
030:        import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy;
031:        import org.eclipse.gmf.runtime.diagram.ui.editpolicies.DragDropEditPolicy;
032:        import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
033:        import org.eclipse.gmf.runtime.draw2d.ui.figures.ConstrainedToolbarLayout;
034:        import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
035:        import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
036:        import org.eclipse.gmf.runtime.notation.View;
037:        import org.eclipse.swt.graphics.Color;
038:
039:        /**
040:         * @generated
041:         */
042:        public class Expression3EditPart extends AbstractBorderedShapeEditPart {
043:
044:            /**
045:             * the BorderItemLocators which calculates the layout of BorderItems
046:             */
047:            private TermtBorderItemLocator termLoc = null;
048:            private RootTermBorderItemLocator rootLoc = null;
049:
050:            /**
051:             * @generated NOT
052:             * @author sh
053:             * The Expression of the Listener Postcondition
054:             */
055:            public static final int VISUAL_ID = 3007;
056:
057:            /**
058:             * @generated
059:             */
060:            protected IFigure contentPane;
061:
062:            /**
063:             * @generated
064:             */
065:            protected IFigure primaryShape;
066:
067:            /**
068:             * @generated
069:             */
070:            public Expression3EditPart(View view) {
071:                super (view);
072:            }
073:
074:            /**
075:             * @generated NOT
076:             * @author sh
077:             */
078:            protected void createDefaultEditPolicies() {
079:                installEditPolicy(EditPolicyRoles.CREATION_ROLE,
080:                        new CreationEditPolicy());
081:                super .createDefaultEditPolicies();
082:
083:                installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
084:                        new Expression3ItemSemanticEditPolicy());
085:                installEditPolicy(EditPolicyRoles.DRAG_DROP_ROLE,
086:                        new DragDropEditPolicy());
087:                installEditPolicy(EditPolicyRoles.CANONICAL_ROLE,
088:                        new Expression3CanonicalEditPolicy());
089:                installEditPolicy(EditPolicy.LAYOUT_ROLE,
090:                        createLayoutEditPolicy());
091:                // install this policy to disable deleting of the Expression Compartment
092:                installEditPolicy(EditPolicy.COMPONENT_ROLE,
093:                        new NodeComponentEditPolicy());
094:            }
095:
096:            /**
097:             * @generated
098:             */
099:            protected LayoutEditPolicy createLayoutEditPolicy() {
100:                LayoutEditPolicy lep = new LayoutEditPolicy() {
101:
102:                    protected EditPolicy createChildEditPolicy(EditPart child) {
103:                        if (child instanceof  IBorderItemEditPart) {
104:                            return new BorderItemSelectionEditPolicy();
105:                        }
106:                        EditPolicy result = child
107:                                .getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
108:                        if (result == null) {
109:                            result = new NonResizableEditPolicy();
110:                        }
111:                        return result;
112:                    }
113:
114:                    protected Command getMoveChildrenCommand(Request request) {
115:                        return null;
116:                    }
117:
118:                    protected Command getCreateCommand(CreateRequest request) {
119:                        return null;
120:                    }
121:                };
122:                return lep;
123:            }
124:
125:            /**
126:             * @generated
127:             */
128:            protected IFigure createNodeShape() {
129:                ExpressionFigure figure = new ExpressionFigure();
130:                return primaryShape = figure;
131:            }
132:
133:            /**
134:             * @generated
135:             */
136:            public ExpressionFigure getPrimaryShape() {
137:                return (ExpressionFigure) primaryShape;
138:            }
139:
140:            @Override
141:            protected void addChildVisual(EditPart childEditPart, int index) {
142:                if (addFixedChild(childEditPart)) {
143:                    return;
144:                }
145:                super .addChildVisual(childEditPart, -1);
146:            }
147:
148:            @Override
149:            protected void removeChildVisual(EditPart child) {
150:                if (removeFixedChild(child)) {
151:                    return;
152:                }
153:                super .removeChildVisual(child);
154:            }
155:
156:            /**
157:             * 	 
158:             */
159:            protected boolean removeFixedChild(EditPart childEditPart) {
160:                if (childEditPart instanceof  RootEditPart) {
161:                    getBorderedFigure().getBorderItemContainer().remove(
162:                            ((RootEditPart) childEditPart).getFigure());
163:                    return true;
164:                }
165:                if (childEditPart instanceof  ConditionTermEditPart) {
166:                    getBorderedFigure().getBorderItemContainer()
167:                            .remove(
168:                                    ((ConditionTermEditPart) childEditPart)
169:                                            .getFigure());
170:                    return true;
171:                }
172:                return false;
173:            }
174:
175:            @Override
176:            protected IFigure getContentPaneFor(IGraphicalEditPart editPart) {
177:                if (editPart instanceof  RootEditPart) {
178:                    return getBorderedFigure().getBorderItemContainer();
179:                }
180:                if (editPart instanceof  ConditionTermEditPart) {
181:                    return getBorderedFigure().getBorderItemContainer();
182:                }
183:                return getContentPane();
184:            }
185:
186:            /**
187:             * @author sh
188:             */
189:            protected boolean addFixedChild(EditPart childEditPart) {
190:                if (childEditPart instanceof  RootEditPart) {
191:                    if (rootLoc == null) {
192:                        rootLoc = new RootTermBorderItemLocator(
193:                                getMainFigure(), PositionConstants.SOUTH);
194:                    }
195:                    getBorderedFigure().getBorderItemContainer()
196:                            .add(((RootEditPart) childEditPart).getFigure(),
197:                                    rootLoc);
198:                    return true;
199:                }
200:
201:                if (childEditPart instanceof  ConditionTermEditPart) {
202:                    TermtBorderItemLocator locator = new TermtBorderItemLocator(
203:                            getMainFigure(), PositionConstants.NORTH);
204:                    if (termLoc == null)
205:                        termLoc = locator;
206:                    getBorderedFigure().getBorderItemContainer()
207:                            .add(
208:                                    ((ConditionTermEditPart) childEditPart)
209:                                            .getFigure(), locator);
210:                    return true;
211:                }
212:                return false;
213:            }
214:
215:            /**
216:             * @generated
217:             */
218:            protected NodeFigure createNodePlate() {
219:                DefaultSizeNodeFigure result = new DefaultSizeNodeFigure(
220:                        getMapMode().DPtoLP(160), getMapMode().DPtoLP(100));
221:
222:                return result;
223:            }
224:
225:            /**
226:             * Creates figure for this edit part.
227:             * 
228:             * Body of this method does not depend on settings in generation model
229:             * so you may safely remove <i>generated</i> tag and modify it.
230:             * 
231:             * @generated
232:             */
233:            protected NodeFigure createMainFigure() {
234:                NodeFigure figure = createNodePlate();
235:                figure.setLayoutManager(new StackLayout());
236:                IFigure shape = createNodeShape();
237:                figure.add(shape);
238:                contentPane = setupContentPane(shape);
239:                return figure;
240:            }
241:
242:            /**
243:             * Default implementation treats passed figure as content pane.
244:             * Respects layout one may have set for generated figure.
245:             * @param nodeShape instance of generated figure class
246:             * @generated
247:             */
248:            protected IFigure setupContentPane(IFigure nodeShape) {
249:                if (nodeShape.getLayoutManager() == null) {
250:                    ConstrainedToolbarLayout layout = new ConstrainedToolbarLayout();
251:                    layout.setSpacing(getMapMode().DPtoLP(5));
252:                    nodeShape.setLayoutManager(layout);
253:                }
254:                return nodeShape; // use nodeShape itself as contentPane
255:            }
256:
257:            /**
258:             * Relocates the bordered items on the expression.
259:             * If the links to proxies are crossed over the relocate 
260:             * moves the bordered items and resolves the crossings.
261:             */
262:            public void refreshBounds() {
263:                super .refreshBounds();
264:
265:                // get the item container where bordered items are added
266:                IFigure itemContainer = this .getBorderedFigure()
267:                        .getBorderItemContainer();
268:
269:                // iterate over all bordered items the expressio has and consider the root
270:                List<IFigure> childs = itemContainer.getChildren();
271:                for (Iterator<IFigure> iterator = childs.iterator(); iterator
272:                        .hasNext();) {
273:                    IFigure figure = iterator.next();
274:                    if (figure instanceof  TermDefaultSizeNodeFigure) {
275:                        // relocate the default term
276:                        this .getTermBorderItemLocator().relocate(
277:                                (IFigure) figure);
278:                        continue;
279:                    }
280:                    if (figure instanceof  DefaultSizeNodeFigure) {
281:                        // relocate the root
282:                        this .getRootTermBorderItemLocator().relocate(
283:                                (IFigure) figure);
284:                    }
285:                }
286:            }
287:
288:            /**
289:             * get the TermBorderItemLocator
290:             */
291:            public TermtBorderItemLocator getTermBorderItemLocator() {
292:                return termLoc;
293:            }
294:
295:            /**
296:             * get the RootTermBorderItemLocator
297:             * @return 
298:             */
299:            public RootTermBorderItemLocator getRootTermBorderItemLocator() {
300:                return rootLoc;
301:            }
302:
303:            /**
304:             * @generated
305:             */
306:            public IFigure getContentPane() {
307:                if (contentPane != null) {
308:                    return contentPane;
309:                }
310:                return super .getContentPane();
311:            }
312:
313:            /**
314:             * @generated
315:             */
316:            public class ExpressionFigure extends RectangleFigure {
317:                /**
318:                 * @generated
319:                 */
320:                public ExpressionFigure() {
321:                    this .setFill(true);
322:                    this .setFillXOR(false);
323:                    this .setOutline(true);
324:                    this .setOutlineXOR(false);
325:                    this .setLineWidth(1);
326:                    this .setLineStyle(Graphics.LINE_SOLID);
327:                    this .setBackgroundColor(EXPRESSIONFIGURE_BACK);
328:                    this .setPreferredSize(new Dimension(getMapMode()
329:                            .DPtoLP(160), getMapMode().DPtoLP(100)));
330:                }
331:
332:                /**
333:                 * @generated
334:                 */
335:                private boolean myUseLocalCoordinates = false;
336:
337:                /**
338:                 * @generated
339:                 */
340:                protected boolean useLocalCoordinates() {
341:                    return myUseLocalCoordinates;
342:                }
343:
344:                /**
345:                 * @generated
346:                 */
347:                protected void setUseLocalCoordinates(
348:                        boolean useLocalCoordinates) {
349:                    myUseLocalCoordinates = useLocalCoordinates;
350:                }
351:
352:                @Override
353:                public void paintFigure(Graphics graphics) {
354:                    super .paintFigure(graphics);
355:                    graphics.setForegroundColor(new Color(null, 148, 255, 172));
356:                    graphics.setBackgroundColor(new Color(null, 186, 255, 172));
357:                    int x = getLocation().x;
358:                    int y = getLocation().y;
359:                    int width = getBounds().width;
360:                    int height = getBounds().height;
361:                    graphics.setLineWidth(1);
362:                    graphics.setLineStyle(Graphics.LINE_SOLID);
363:                    graphics.fillGradient(x, y, width, height, true);
364:                }
365:            }
366:
367:            /**
368:             * @generated NOT
369:             * @author sh
370:             */
371:            static final Color EXPRESSIONFIGURE_BACK = new Color(null, 0, 255,
372:                    0);
373:
374:        }
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