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1
30 package com.genimen.djeneric.ui;
31
32 import java.awt.Point  ;
33 import java.awt.event.InputEvent ;
34 import java.awt.event.KeyEvent ;
35 import java.awt.event.KeyListener ;
36 import java.util.ArrayList ;
37 import java.util.Collections ;
38 import java.util.HashMap ;
39 import java.util.Iterator ;
40
41 import javax.swing.text.JTextComponent ;
42
43 import com.genimen.djeneric.repository.DjExtent;
44 import com.genimen.djeneric.repository.DjRelation;
45 import com.genimen.djeneric.repository.exceptions.ObjectNotDefinedException;
46 import com.genimen.djeneric.util.DjStringComparator;
47
48 public class DjPropertyPathCompleter implements KeyListener
49 {
50 JTextComponent _editor;
51 DjExtent _rootExtent;
52 ArrayList _allListeners = new ArrayList ();
53 ArrayList _parameterNames = new ArrayList ();
54 boolean _includeOne2Many = false;
55 HashMap _parameters = new HashMap ();
56
57 public DjPropertyPathCompleter()
58 {
59 }
60
61 public DjPropertyPathCompleter(DjExtent rootExtent, JTextComponent editor)
62 {
63 setEditor(editor);
64 _rootExtent = rootExtent;
65 }
66
67 public void setIncludeOne2Many(boolean b)
68 {
69 _includeOne2Many = b;
70 }
71
72 public void showPopup() throws ObjectNotDefinedException
73 {
74 DjEditorPositionInfo wi = new DjEditorPositionInfo(_editor, true);
75
76 HashMap possibles = getCompletionMap(wi);
77 doShow(possibles, wi);
78 }
79
80 public ArrayList getCompletions() throws ObjectNotDefinedException
81 {
82 DjEditorPositionInfo wi = new DjEditorPositionInfo(_editor, true);
83 ArrayList lst = new ArrayList ();
84 Iterator it = getCompletionMap(wi).keySet().iterator();
85 while (it.hasNext())
86 lst.add(it.next());
87 Collections.sort(lst, new DjStringComparator(false));
88 return lst;
89 }
90
91 protected HashMap getCompletionMap(DjEditorPositionInfo wi) throws ObjectNotDefinedException
92 {
93 String propStart = wi.getWord();
94
95 DjExtent extent = _rootExtent;
96 HashMap possibles = new HashMap ();
97
98 completeParameters(wi, possibles);
99 completeProperties(wi, possibles);
100 return possibles;
101 }
102
103 private void completeProperties(DjEditorPositionInfo wi, HashMap possibles) throws ObjectNotDefinedException
104 {
105 String propStart = wi.getWord();
106
107 DjExtent extent = _rootExtent;
108 int dotIdx = propStart.indexOf(".");
109 if (dotIdx != -1)
110 {
111 dotIdx = propStart.lastIndexOf(".");
112
113 String leadingPath = propStart.substring(0, dotIdx);
114 wi.setStart(wi.getStart() + leadingPath.length() + 1);
115
116 propStart = propStart.substring(dotIdx + 1);
117
118 extent = extent.resolveType(leadingPath);
119 }
120
121 for (int i = 0; i < extent.getPropertyCount(); i++)
122 {
123 if (extent.getProperty(i).getName().toLowerCase().startsWith(propStart.toLowerCase()))
124 {
125 possibles.put(extent.getProperty(i).getName(), extent.getProperty(i).getName());
126 }
127 }
128 for (int i = 0; i < extent.getDetailRelationCount(); i++)
129 {
130 DjRelation rel = extent.getDetailRelation(i);
131
132 if ((rel.isOneToOne() || _includeOne2Many) && rel.getName().toLowerCase().startsWith(propStart.toLowerCase()))
133 {
134 possibles.put(rel.getName(), rel.getName());
135 }
136 }
137 }
138
139 private void completeParameters(DjEditorPositionInfo wi, HashMap possibles) throws ObjectNotDefinedException
140 {
141 String propStart = wi.getWord();
142 DjExtent extent;
143 for (int i = 0; i < _parameterNames.size(); i++)
144 {
145 String name = ":" + _parameterNames.get(i);
146 if (name.toLowerCase().startsWith(propStart.toLowerCase()))
147 {
148 possibles.put(name, name);
149 }
150 }
151 }
152
153 private void doShow(HashMap possibles, DjEditorPositionInfo wi)
154 {
155 if (possibles.size() > 0)
156 {
157 DjCodeCompleter sel = new DjCodeCompleter(possibles, getEditor(), wi);
158 Point p = getEditor().getCaret().getMagicCaretPosition();
159 int x = 0;
160 int y = 0;
161 if (p != null)
162 {
163 x = p.x;
164 y = p.y;
165 }
166
167 sel.show(getEditor(), x, y);
168 }
169 }
170
171 public JTextComponent getEditor()
172 {
173 return _editor;
174 }
175
176 public void setEditor(JTextComponent editor)
177 {
178 if (_editor != null && _editor != editor) _editor.removeKeyListener(this);
179 _editor = editor;
180 _editor.addKeyListener(this);
181 }
182
183 public void keyPressed(KeyEvent e)
184 {
185 if ((e.getKeyCode() == KeyEvent.VK_SPACE) && ((e.getModifiers() & InputEvent.CTRL_MASK) != 0))
186 {
187 try
188 {
189 showPopup();
190 setStatusMessage("", true);
191 }
192 catch (ObjectNotDefinedException onde)
193 {
194 setStatusMessage(onde.getMessage(), false);
195 }
196 }
197 }
198
199 public void keyReleased(KeyEvent e)
200 {
201 }
202
203 public void keyTyped(KeyEvent e)
204 {
205 }
206
207 public void setStatusMessage(String msg, boolean isInformative)
208 {
209 for (int i = 0; i < _allListeners.size(); i++)
210 {
211 DjStatusListener lsnr = (DjStatusListener) _allListeners.get(i);
212 lsnr.setStatusMessage(msg, isInformative);
213 }
214 }
215
216 public void addStatusListener(DjStatusListener lsnr)
217 {
218 _allListeners.add(lsnr);
219 }
220
221 public void removeStatusListener(DjStatusListener lsnr)
222 {
223 _allListeners.remove(lsnr);
224 }
225
226 public DjExtent getRootExtent()
227 {
228 return _rootExtent;
229 }
230
231 public void setRootExtent(DjExtent rootExtent)
232 {
233 _rootExtent = rootExtent;
234 }
235
236 public void addParameter(String paramName, DjExtent type)
237 {
238 _parameters.put(paramName, type);
239 _parameterNames.add(paramName);
240 }
241
242 public void setParameters(HashMap parameters)
243 {
244 _parameters = parameters;
245 Iterator it = _parameters.keySet().iterator();
246 while (it.hasNext())
247 _parameterNames.add(it.next());
248 }
249 } |
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