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19
20
21 package ca.mcgill.sable.graph.editparts;
22
23 import java.beans.PropertyChangeEvent  ;
24 import java.beans.PropertyChangeListener ;
25
26 import org.eclipse.draw2d.*;
27 import org.eclipse.gef.*;
28 import org.eclipse.gef.editparts.*;
29 import org.eclipse.draw2d.graph.*;
30 import java.util.*;
31 import ca.mcgill.sable.graph.model.*;
32 import ca.mcgill.sable.graph.figures.*;
33 import org.eclipse.draw2d.geometry.*;
34 import org.eclipse.swt.graphics.RGB;
35 import org.eclipse.swt.widgets.Display;
36 import ca.mcgill.sable.graph.editpolicies.*;
37 import ca.mcgill.sable.graph.*;
38
39 public class SimpleNodeEditPart
40 extends AbstractGraphicalEditPart
41 implements NodeEditPart, PropertyChangeListener {
42
43 private Object data;
44
45
46 public SimpleNodeEditPart() {
47 super();
48 }
49
50
53 protected IFigure createFigure() {
54 RectangleFigure rect = new RectangleFigure();
55 ToolbarLayout layout = new ToolbarLayout();
56 layout.setMinorAlignment(ToolbarLayout.ALIGN_CENTER);
57 rect.setLayoutManager(layout);
58
59 Label label = new Label();
60 label.getInsets().top = 1;
61 label.getInsets().bottom = 1;
62 label.getInsets().right = 1;
63 label.getInsets().left = 1;
64 rect.add(label);
65
66 return rect;
67 }
68
69 public void contributeNodesToGraph(DirectedGraph graph, HashMap map){
70 Node node = new Node(this);
71 node.width = getFigure().getBounds().width; node.height = getFigure().getBounds().height;
73 graph.nodes.add(node);
74 map.put(this, node);
75 }
76
77 public void contributeEdgesToGraph(DirectedGraph graph, HashMap map) {
78 List outgoing = getSourceConnections();
79 for (int i = 0; i < outgoing.size(); i++){
80 EdgeEditPart edge = (EdgeEditPart)outgoing.get(i);
81 edge.contributeToGraph(graph, map);
82 }
83 }
84
85 public void applyGraphResults(DirectedGraph graph, HashMap map){
86 Node node = (Node)map.get(this);
87 if (node != null){
88 getFigure().setBounds(new Rectangle(node.x+10, node.y, node.width, node.height)); List outgoing = getSourceConnections();
90 for (int i = 0; i < outgoing.size(); i++){
91 EdgeEditPart edge = (EdgeEditPart)outgoing.get(i);
92 edge.applyGraphResults(graph, map);
93 }
94 }
95
96 }
97
98
99
100 public SimpleNode getNode(){
101 return (SimpleNode)getModel();
102 }
103
104
107 protected void createEditPolicies() {
108 }
109
110 public List getModelSourceConnections(){
111 return getNode().getOutputs();
112 }
113
114 public List getModelTargetConnections(){
115 return getNode().getInputs();
116 }
117
118
121 public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
122 return new ChopboxAnchor(getFigure());
123 }
124
125
128 public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
129 return new ChopboxAnchor(getFigure());
130 }
131
132
135 public ConnectionAnchor getSourceConnectionAnchor(Request arg0) {
136 return new ChopboxAnchor(getFigure());
137 }
138
139
142 public ConnectionAnchor getTargetConnectionAnchor(Request arg0) {
143 return new ChopboxAnchor(getFigure());
144 }
145
146 public void activate(){
147 super.activate();
148 getNode().addPropertyChangeListener(this);
149 }
150
151 public void deactivate(){
152 super.deactivate();
153 getNode().removePropertyChangeListener(this);
154 }
155
156
157
158 public void propertyChange(PropertyChangeEvent event){
159 if (event.getPropertyName().equals(Element.DATA)){
160 setData(event.getNewValue());
162 refreshVisuals();
163 }
164 else if (event.getPropertyName().equals(Element.INPUTS)){
165 refreshTargetConnections();
166 }
167 else if (event.getPropertyName().equals(Element.OUTPUTS)){
168 refreshSourceConnections();
169 }
170
171 }
172
173 public List getModelChildren(){
174 return getNode().getChildren();
175 }
176
177 protected void refreshVisuals(){
178 Iterator it = getFigure().getChildren().iterator();
179 while (it.hasNext()){
180 Object next = it.next();
181 if (next instanceof Label){
182 ((Label)next).setText(getData().toString());
183 if (getData() != null){
184 getFigure().setSize((getData().toString().length()*7)+10, ((((Label)next).getBounds().height/2)+10));
185 getFigure().revalidate();
186 ((GraphEditPart)getParent()).getFigure().revalidate();
187 }
188 }
189 }
190 }
191
192 private boolean expanded;
193 private boolean topLevel;
194 private boolean bottomLevel;
195
196 public void switchToComplex(){
197 GraphPlugin.getDefault().getGenerator().expandGraph(getNode());
198
199 }
200
201
204 public Object getData() {
205 return data;
206 }
207
208
211 public void setData(Object obj) {
212 data = obj;
213 }
214
215
216
219 public boolean isBottomLevel() {
220 return bottomLevel;
221 }
222
223
226 public boolean isExpanded() {
227 return expanded;
228 }
229
230
233 public boolean isTopLevel() {
234 return topLevel;
235 }
236
237
240 public void setBottomLevel(boolean b) {
241 bottomLevel = b;
242 }
243
244
247 public void setExpanded(boolean b) {
248 expanded = b;
249 }
250
251
254 public void setTopLevel(boolean b) {
255 topLevel = b;
256 }
257
258 }
259 |
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