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1
19
20 package org.netbeans.modules.java.editor.imports;
21
22 import com.sun.source.tree.CompilationUnitTree;
23 import com.sun.source.tree.ImportTree;
24 import java.awt.Color  ;
25 import java.awt.Component ;
26 import java.awt.Font ;
27 import java.awt.event.KeyEvent ;
28 import java.io.IOException ;
29 import java.io.IOException ;
30 import java.util.ArrayList ;
31 import java.util.Collections ;
32 import java.util.List ;
33 import java.util.ListIterator ;
34 import javax.lang.model.element.ElementKind;
35 import javax.lang.model.element.TypeElement;
36 import javax.swing.DefaultListCellRenderer ;
37 import javax.swing.DefaultListModel ;
38 import javax.swing.JLabel ;
39 import javax.swing.JList ;
40 import javax.swing.KeyStroke ;
41 import org.netbeans.api.java.source.JavaSource;
42 import org.netbeans.api.java.source.CancellableTask;
43 import org.netbeans.api.java.source.JavaSource.Phase;
44 import org.netbeans.api.java.source.TreeMaker;
45 import org.netbeans.api.java.source.UiUtils;
46 import org.netbeans.api.java.source.WorkingCopy;
47 import org.netbeans.modules.java.editor.overridden.PopupUtil;
48 import org.openide.ErrorManager;
49
50
54 public class ImportClassPanel extends javax.swing.JPanel {
55
56 private JavaSource javaSource;
57 private DefaultListModel model;
58
59
60 public ImportClassPanel(List <TypeElement> priviledged, List <TypeElement> denied, Font font, JavaSource javaSource ) {
61 this.javaSource = javaSource;
64 createModel(priviledged, denied);
65 initComponents();
66 setBackground(jList1.getBackground());
67
68 if ( model.size() > 0) {
69 jList1.setModel( model );
70 setFocusable(false);
71 setNextFocusableComponent(jList1);
72 jScrollPane1.setBackground( jList1.getBackground() );
73 setBackground( jList1.getBackground() );
74 if ( font != null ) {
75 jList1.setFont(font);
76 }
77 int modelSize = jList1.getModel().getSize();
78 if ( modelSize > 0 ) {
79 jList1.setSelectedIndex(0);
80 }
81 jList1.setVisibleRowCount( modelSize > 8 ? 8 : modelSize );
82 jList1.setCellRenderer( new Renderer ( jList1 ) );
83 jList1.grabFocus();
84 }
85 else {
86 remove( jScrollPane1 );
87 JLabel nothingFoundJL = new JLabel ("<No Classes Found>");
88 if ( font != null ) {
89 nothingFoundJL.setFont(font);
90 }
91 nothingFoundJL.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 4, 4, 4));
92 nothingFoundJL.setEnabled(false);
93 nothingFoundJL.setBackground(jList1.getBackground());
94 add( nothingFoundJL );
96 }
97 }
98
99
104 private void initComponents() {
106
107 jScrollPane1 = new javax.swing.JScrollPane ();
108 jList1 = new javax.swing.JList ();
109 jLabel1 = new javax.swing.JLabel ();
110
111 setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.darkGray));
112 setLayout(new java.awt.BorderLayout ());
113
114 jScrollPane1.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 4, 4, 4));
115
116 jList1.addKeyListener(new java.awt.event.KeyAdapter () {
117 public void keyReleased(java.awt.event.KeyEvent evt) {
118 listKeyReleased(evt);
119 }
120 });
121 jList1.addMouseListener(new java.awt.event.MouseAdapter () {
122 public void mouseReleased(java.awt.event.MouseEvent evt) {
123 listMouseReleased(evt);
124 }
125 });
126 jScrollPane1.setViewportView(jList1);
127
128 add(jScrollPane1, java.awt.BorderLayout.CENTER);
129
130 jLabel1.setText("Type to import:");
131 jLabel1.setBorder(javax.swing.BorderFactory.createEmptyBorder(4, 4, 4, 4));
132 jLabel1.setOpaque(true);
133 add(jLabel1, java.awt.BorderLayout.PAGE_START);
134 }
136 private void listMouseReleased(java.awt.event.MouseEvent evt) { importClass( getSelected() );
138 }
140 private void listKeyReleased(java.awt.event.KeyEvent evt) { KeyStroke ks = KeyStroke.getKeyStrokeForEvent(evt);
142 if ( ks.getKeyCode() == KeyEvent.VK_ENTER ||
143 ks.getKeyCode() == KeyEvent.VK_SPACE ) {
144 importClass( getSelected() );
145 }
146 }
148
149 public javax.swing.JLabel jLabel1;
151 public javax.swing.JList jList1;
152 public javax.swing.JScrollPane jScrollPane1;
153
155 public String getSelected() {
156 TypeDescription typeDescription = ((TypeDescription)jList1.getSelectedValue());
157 return typeDescription == null ? null : typeDescription.qualifiedName;
158 }
159
160 private void createModel( List <TypeElement> priviledged, List <TypeElement> denied ) {
161
162 List <TypeDescription> l = new ArrayList ( priviledged.size() );
163 for (TypeElement typeElement : priviledged) {
164 l.add( new TypeDescription( typeElement, false ) );
165 }
166
167 List <TypeDescription> ld = new ArrayList ( priviledged.size() );
168 for (TypeElement typeElement : denied ) {
169 l.add( new TypeDescription( typeElement, true ) );
170 }
171
172 Collections.sort( l );
173
174 model = new DefaultListModel ();
175 for( TypeDescription td : l ) {
176 model.addElement( td );
177 }
178
179
180
181 }
182
183 private void importClass( final String fqn ) {
184 PopupUtil.hidePopup();
185
186 if (fqn != null) {
187 CancellableTask<WorkingCopy> task = new CancellableTask<WorkingCopy>() {
188
189 public void run(final WorkingCopy wc) throws IOException {
190 wc.toPhase(Phase.RESOLVED);
191 TreeMaker make = wc.getTreeMaker();
192 CompilationUnitTree cut = wc.getCompilationUnit();
193 List <ImportTree> imports = new ArrayList <ImportTree>(cut.getImports());
195 ImportTree njuImport = make.Import(make.Identifier(fqn), false);
197 for (ListIterator <ImportTree> it = imports.listIterator(); it.hasNext(); ) {
198 ImportTree item = it.next();
199 if (item.isStatic() || item.getQualifiedIdentifier().toString().compareTo(fqn) > 0) {
200 it.set(njuImport);
201 it.add(item);
202 break;
203 }
204 }
205 CompilationUnitTree cutCopy;
206 if (imports.contains(njuImport)) {
209 cutCopy = make.CompilationUnit(
210 cut.getPackageName(),
211 imports,
212 cut.getTypeDecls(),
213 cut.getSourceFile()
214 );
215 } else {
216 cutCopy = make.addCompUnitImport(cut, njuImport);
221 }
222 wc.rewrite(cut, cutCopy);
223 }
224
225 public void cancel() {
226 }
227 };
228 try {
229 javaSource.runModificationTask(task).commit();
230 } catch (IOException ex) {
231 ErrorManager.getDefault().notify(ex);
232 }
233 }
234 }
235
236 private static class Renderer extends DefaultListCellRenderer {
237
238 private static int DARKER_COLOR_COMPONENT = 5;
239 private static int LIGHTER_COLOR_COMPONENT = DARKER_COLOR_COMPONENT;
240
241
242 private Color denidedColor = new Color ( 0x80, 0x80, 0x80 );
243 private Color fgColor;
244 private Color bgColor;
245 private Color bgColorDarker;
246 private Color bgSelectionColor;
247 private Color fgSelectionColor;
248
249 public Renderer( JList list ) {
250 setFont( list.getFont() );
251 fgColor = list.getForeground();
252 bgColor = list.getBackground();
253 bgColorDarker = new Color (
254 Math.abs(bgColor.getRed() - DARKER_COLOR_COMPONENT),
255 Math.abs(bgColor.getGreen() - DARKER_COLOR_COMPONENT),
256 Math.abs(bgColor.getBlue() - DARKER_COLOR_COMPONENT)
257 );
258 bgSelectionColor = list.getSelectionBackground();
259 fgSelectionColor = list.getSelectionForeground();
260 }
261
262 public Component getListCellRendererComponent( JList list,
263 Object value,
264 int index,
265 boolean isSelected,
266 boolean hasFocus) {
267
268 if ( isSelected ) {
269 setForeground(fgSelectionColor);
270 setBackground(bgSelectionColor);
271 }
272 else {
273 setForeground(fgColor);
274 setBackground( index % 2 == 0 ? bgColor : bgColorDarker );
275 }
276
277 if ( value instanceof TypeDescription ) {
278 TypeDescription td = (TypeDescription)value;
279 setText(td.qualifiedName);
281 if ( td.isDenied ) {
282 setForeground( denidedColor );
283 }
284 setIcon( UiUtils.getElementIcon( td.kind, null ) );
285 }
286 else {
287 setText( value.toString() );
288 }
289
290 return this;
291 }
292
293 }
294
295 private static class TypeDescription implements Comparable <TypeDescription> {
296 private boolean isDenied;
297 private final ElementKind kind;
298 private final String qualifiedName;
299
300 public TypeDescription(TypeElement typeElement, boolean isDenied ) {
301 this.isDenied = isDenied;
302 this.kind = typeElement.getKind();
303 this.qualifiedName = typeElement.getQualifiedName().toString();
304 }
305
306 public int compareTo( TypeDescription o ) {
307
308 if ( isDenied && !o.isDenied ) {
309 return 1;
310 }
311 else if ( !isDenied && o.isDenied ) {
312 return -1;
313 }
314 else {
315 return qualifiedName.compareTo( o.qualifiedName );
316 }
317 }
318
319
320
321 }
322
323
324 }
325 |
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