The Eclipse Graphical Editing Framework (Gef)

Jaime Wren, a software engineer at Google, has extensive experience developing commercial Eclipse-based tools. At Instantiations, he made significant contributions to the CodePro and WindowBuilder product lines. He continues to work on WindowBuilder as a member of the Google Web Toolkit (GWT) team.

Eric Clayberg, Software Engineering Manager for Google, is a seasoned software technologist, product developer, entrepreneur, and manager, with extensive Java and Eclipse experience. The primary author and architect of more than a dozen commercial Java and Smalltalk add-on products, he cofounded both ObjectShare and Instantiations.

Chapter 1: What Is GEF?                 1

1.1 GEF Overview   1

1.2 GEF Example Applications   2

1.3 Summary   6

Chapter 2: A Simple Draw2D Example         7

2.1 Draw2D Installation   7

2.2 Draw2D Project   8

2.3 Draw2D Application   9

2.4 Draw2D View   15

2.5 Draw2D Events   17

2.6 Book Samples   20

2.7 Summary   20

Chapter 3: Draw2D Infrastructure          21

3.1 Architecture   21

3.2 Drawing   23

3.3 Processing Events   24

3.4 Summary   25

Chapter 4: Figures           27

4.1 IFigure   27

4.2 Common Figures   29

4.3 Custom Figures   33

4.4 Painting   37

4.5 Borders   42

4.6 Summary   53

Chapter 5: Layout Managers          55

5.1 List Constraints   55

5.2 Minimum, Maximum, and Preferred Size   56

5.3 Common Layout Managers   57

5.4 Using Layout Managers   63

5.5 Summary   67

Chapter 6: Connections           69

6.1 Common Anchors   70

6.2 Custom Anchors   72

6.3 Decorations   76

6.4 Routing Connections   80

6.5 Connection Labels   86

6.6 Summary   90

Chapter 7: Layers and Viewports          91

7.1 Layers   91

7.2 Scrolling   96

7.3 Coordinates   101

7.4 Scaling   104

7.5 Summary   112

Chapter 8: GEF Models         113

8.1 Genealogy Model   113

8.2 Populating the Diagram   116

8.3 Storing the Diagram   126

8.4 Summary   128

Chapter 9: Zest          129

9.1 Setup   129

9.2 GraphViewer   131

9.3 Content Provider   132

9.4 Presentation   137

9.5 Nested Content   156

9.6 Filters   157

9.7 Layout Algorithms   160

9.8 Summary   173

Chapter 10: GEF Plug-in Overview         175

10.1 MVC Architecture   176

10.2 EditPartViewer   178

10.3 Tools, Actions, Policies, Requests, and Commands   180

10.4 Summary   183

Chapter 11: GEF View          185

11.1 Setup   185

11.2 GEF Viewer   186

11.4 Connections   193

11.5 Summary   200

Chapter 12: GEF Editor         201

12.1 Setup   201

12.2 GenealogyGraphEditor   201

12.3 Selection   207

12.4 Summary   218

Chapter 13: Commands and Tools         219

13.1 Listening for Model Changes   219

13.2 Commands   226

13.3 EditPolicies   233

13.4 Global Edit Menu Actions   248

13.5 Palette and Tools   249

13.6 Summary   253

Index         255

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