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1
5 package com.nightlabs.base.entitylist;
6
7 import java.util.ArrayList  ;
8 import java.util.Collection ;
9
10 import org.eclipse.jface.viewers.ISelection;
11 import org.eclipse.jface.viewers.ISelectionChangedListener;
12 import org.eclipse.jface.viewers.SelectionChangedEvent;
13 import org.eclipse.jface.viewers.TableViewer;
14 import org.eclipse.swt.SWT;
15 import org.eclipse.swt.events.SelectionEvent;
16 import org.eclipse.swt.events.SelectionListener;
17 import org.eclipse.swt.layout.GridData;
18 import org.eclipse.swt.layout.GridLayout;
19 import org.eclipse.swt.widgets.Combo;
20 import org.eclipse.swt.widgets.Composite;
21 import org.eclipse.swt.widgets.TabFolder;
22 import org.eclipse.swt.widgets.Table;
23 import org.eclipse.swt.widgets.TableColumn;
24 import org.eclipse.ui.IPartListener2;
25 import org.eclipse.ui.IWorkbenchPartReference;
26
27
32 public abstract class DefaultEntityListView
33 extends AbstractEntityListView
34 implements SelectionListener, EntityManagementViewStateChangedListener
35 {
36 private TableViewer viewer;
37 private Combo filterCombo;
38
39 private EntityListContentProvider contentProvider;
40 private ArrayList selections;
41 private class EntitySelectionListener implements ISelectionChangedListener
42 {
43 private DefaultEntityListView mother;
44 private ISelectionChangedListener listChangeListener;
45
46 public EntitySelectionListener(DefaultEntityListView source)
47 {
48 mother = source;
49 this.listChangeListener = mother.createListChangeListener();
50 }
51 public void selectionChanged(SelectionChangedEvent event)
52 {
53 ISelection selection = event.getSelection();
54 if(!selection.isEmpty())
55 mother.entityListSelected(mother.getSelectedListID());
56
57 if (listChangeListener != null)
58 listChangeListener.selectionChanged(event);
59 }
60 }
61 private class EntityManagementViewListener implements IPartListener2
62 {
63 private DefaultEntityListView elv;
64 public EntityManagementViewListener(DefaultEntityListView elv)
65 {
66 this.elv = elv;
67 }
68
69 public void partActivated(IWorkbenchPartReference partRef)
70 {
71 Object o = partRef.getPart(false);
72 if(o instanceof EntityManagementView)
73 elv.viewActivated(partRef.getId());
74 }
75
76 public void partBroughtToTop(IWorkbenchPartReference partRef)
77 {
78 }
80
81 public void partClosed(IWorkbenchPartReference partRef)
82 {
83 }
84
85 public void partDeactivated(IWorkbenchPartReference partRef)
86 {
87 }
88
89 public void partOpened(IWorkbenchPartReference partRef)
90 {
91 }
93
94 public void partHidden(IWorkbenchPartReference partRef)
95 {
96 }
97
98 public void partVisible(IWorkbenchPartReference partRef)
99 {
100 }
102
103 public void partInputChanged(IWorkbenchPartReference partRef)
104 {
105 }
106
107 }
108 private EntitySelectionListener eSelectionListener;
109
110 public DefaultEntityListView()
111 {
112 super();
113 selections = new ArrayList ();
114 }
115
116 public void createEntityListControl(Composite parent) {
117 GridLayout gridLayout = new GridLayout();
118 gridLayout.numColumns = 2;
119
120 TabFolder composite = new TabFolder(parent, SWT.NULL);
121 composite.setLayout(gridLayout);
122
123 filterCombo = new Combo(composite, SWT.READ_ONLY);
124 filterCombo.addSelectionListener(this);
125
126 viewer = new TableViewer(composite, SWT.BORDER | SWT.H_SCROLL | SWT.FULL_SELECTION | SWT.MULTI);
127 eSelectionListener = new EntitySelectionListener(this);
128 viewer.addSelectionChangedListener(eSelectionListener);
129 getSite().setSelectionProvider(viewer);
130
131 contentProvider = new EntityListContentProvider();
132 viewer.setContentProvider(contentProvider);
133
134
135 GridData tgd = new GridData(GridData.FILL_BOTH);
136 tgd.horizontalSpan = 2;
137 tgd.verticalSpan = 1;
138
139 Table t = viewer.getTable();
140 t.setHeaderVisible(true);
141 t.setLinesVisible(true);
142 t.setLayoutData(tgd);
143 }
144
145 public void setFocus()
146 {
147 filterCombo.setFocus();
148 }
149
150 private static Collection EMPTY_COLLECTION = new ArrayList ();
151
152 public void refresh()
153 {
154 String key = (String )selections.get(filterCombo.getSelectionIndex());
155 EntityList el = (EntityList)getEntityLists().get(key);
156 if(el != null)
157 {
158 viewer.setInput(EMPTY_COLLECTION);
159 viewer.setLabelProvider(el.getLabelProvider());
160 TableColumn[] columns = viewer.getTable().getColumns();
161 for (int i = 0; i < columns.length; i++) {
162 columns[i].dispose();
163 }
164 el.addTableColumns(viewer.getTable());
165 viewer.getTable().layout();
166 viewer.setInput(el.getEntities());
167 viewer.refresh();
168 }
169 }
170
171 public String getSelectedListID()
172 {
173 return (String )selections.get(filterCombo.getSelectionIndex());
174 }
175
176
177
178
179 protected void entityListAdded(EntityList el) {
180 filterCombo.add(el.getLabel());
181 selections.add(el.getID());
182
183 }
184
185
186
187 public void setSelectedEntityList(String entityListID) {
188 if(filterCombo.getSelectionIndex() != selections.indexOf(entityListID))
189 filterCombo.select(selections.indexOf(entityListID));
190 refresh();
191 }
192
193
194
195 public void widgetSelected(SelectionEvent arg0)
197 {
198 Combo c = (Combo)arg0.getSource();
199 String entityListID = (String )selections.get(c.getSelectionIndex());
200 setSelectedEntityList(entityListID);
201 showManagerViews(entityListID);
202 }
203
204 public void widgetDefaultSelected(SelectionEvent arg0)
205 {
206 }
207
209 public void dispose()
210 {
211 super.dispose();
212 viewer.removeSelectionChangedListener(eSelectionListener);
213 }
214 }
215 |
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