|
1
19
20 package org.netbeans.modules.xml.text.completion;
21
22 import java.awt.Color  ;
23 import java.awt.Component ;
24 import java.awt.Font ;
25 import java.awt.Graphics ;
26 import java.awt.event.KeyEvent ;
27 import java.io.IOException ;
28
29 import javax.swing.text.*;
30 import javax.swing.Icon ;
31
32 import org.netbeans.editor.*;
33 import org.netbeans.editor.Utilities;
35 import javax.swing.JLabel ;
36 import org.netbeans.api.editor.completion.Completion;
37 import org.netbeans.spi.editor.completion.CompletionItem;
38
39 import org.netbeans.editor.ext.CompletionQuery.ResultItem;
40 import org.netbeans.editor.ext.ExtFormatter;
41 import org.netbeans.spi.editor.completion.CompletionTask;
42 import org.netbeans.spi.editor.completion.support.AsyncCompletionTask;
43
44
50 class XMLResultItem implements ResultItem, CompletionItem {
51
52 private static final int XML_ITEMS_SORT_PRIORITY = 20;
53 public String displayText;
55 private String replacementText;
56 public javax.swing.Icon icon;
58 public Color foreground = Color.black;
59 public Color background = Color.white;
60 public Color selectionForeground = Color.black;
61 public Color selectionBackground = new Color (204, 204, 255);
62 private static JLabel rubberStamp = new JLabel ();
63 private XMLCompletionResultItemPaintComponent component;
64 private boolean shift = false;
65
66 static {
67 rubberStamp.setOpaque( true );
68 }
69
70
74 public XMLResultItem(String replacementText){
75 this(replacementText, null);
76 }
77
78
81 public XMLResultItem(String replacementText, String displayText) {
82 this.replacementText = replacementText;
83 this.displayText = displayText != null ? displayText : replacementText;
84 }
85
86
95 public XMLResultItem(String displayText, javax.swing.Icon icon, Color foreground, Color background, Color selectionForeground, Color selectionBackground) {
96 this.displayText = displayText;
97 this.icon = icon;
98 this.foreground = foreground;
99 this.background = background;
100 this.selectionForeground = selectionForeground;
101 this.selectionBackground = selectionBackground;
102 }
103
104
107 public String getReplacementText(int modifiers){
108 return displayText;
109 }
110
111
112 protected Icon getIcon(){
113 return icon;
114 }
115
116
123 boolean replaceText( JTextComponent component, String text, int offset, int len) {
124 BaseDocument doc = (BaseDocument)component.getDocument();
125 doc.atomicLock();
126 try {
127 String currentText = doc.getText(offset, (doc.getLength() - offset) < text.length() ? (doc.getLength() - offset) : text.length()) ;
128 if(!text.equals(currentText)) {
129 doc.remove( offset, len );
130 doc.insertString( offset, text, null);
131 } else {
132 int newCaretPos = component.getCaret().getDot() + text.length() - len;
133 component.setCaretPosition(newCaretPos < doc.getLength() ? newCaretPos : doc.getLength());
139 }
140 } catch( BadLocationException exc ) {
143 return false; } finally {
147 doc.atomicUnlock();
148 }
149 return true;
150 }
151
152 public boolean substituteCommonText( JTextComponent c, int offset, int len, int subLen ) {
153 return replaceText( c, getReplacementText(0).substring( 0, subLen ), offset, len );
154 }
155
156
159 public final boolean substituteText( JTextComponent c, int offset, int len, boolean shift ) {
160 int modifier = shift ? java.awt.event.InputEvent.SHIFT_MASK : 0;
161 return substituteText(c, offset, len, modifier);
162 }
163
164 public boolean substituteText( JTextComponent c, int offset, int len, int modifiers ){
165 return replaceText(c, getReplacementText(modifiers), offset, len);
166 }
167
168
169 public java.awt.Component getPaintComponent( javax.swing.JList list, boolean isSelected, boolean cellHasFocus ) {
170 if (getIcon() != null) rubberStamp.setIcon(getIcon());
172
173 rubberStamp.setText( displayText );
174 if (isSelected) {
175 rubberStamp.setBackground(selectionBackground);
176 rubberStamp.setForeground(selectionForeground);
177 } else {
178 rubberStamp.setBackground(background);
179 rubberStamp.setForeground(foreground);
180 }
181 return rubberStamp;
182 }
183
184 public final String getItemText() {
185 return replacementText;
186 }
187
188 public String toString() {
189 return getItemText();
190 }
191
192 Color getPaintColor() { return Color.BLUE; }
193
194 public CompletionTask createDocumentationTask() {
198 return null; }
201
202 public CompletionTask createToolTipTask() {
203 return null;
204 }
205
206 public void defaultAction(JTextComponent component) {
207 int substOffset = getSubstituteOffset();
208 if (substOffset == -1)
209 substOffset = component.getCaretPosition();
210
211 if(!shift) Completion.get().hideAll();
212 substituteText(component, substOffset, component.getCaretPosition() - substOffset, shift);
213 }
214
215 static int substituteOffset = -1;
216
217 public int getSubstituteOffset() {
218 return substituteOffset;
219 }
220
221 public CharSequence getInsertPrefix() {
222 return getItemText();
223 }
224
225 public Component getPaintComponent(boolean isSelected) {
226 XMLCompletionResultItemPaintComponent component =
227 new XMLCompletionResultItemPaintComponent.StringPaintComponent(getPaintColor());
228 component.setSelected(isSelected);
229 component.setString(getItemText());
230 return component;
231 }
232
233 public int getPreferredWidth(Graphics g, Font defaultFont) {
234 Component renderComponent = getPaintComponent(false);
235 return renderComponent.getPreferredSize().width;
236 }
237
238 public int getSortPriority() {
239 return XML_ITEMS_SORT_PRIORITY;
240 }
241
242 public CharSequence getSortText() {
243 return getItemText();
244 }
245
246 public boolean instantSubstitution(JTextComponent component) {
247 defaultAction(component);
248 return true;
249 }
250
251 public void processKeyEvent(KeyEvent e) {
252 shift = (e.getKeyCode() == KeyEvent.VK_ENTER && e.getID() == KeyEvent.KEY_PRESSED && e.isShiftDown());
253 }
254
255 public void render(Graphics g, Font defaultFont,
256 Color defaultColor, Color backgroundColor,
257 int width, int height, boolean selected) {
258 Component renderComponent = getPaintComponent(selected);
259 renderComponent.setFont(defaultFont);
260 renderComponent.setForeground(defaultColor);
261 renderComponent.setBackground(backgroundColor);
262 renderComponent.setBounds(0, 0, width, height);
263 ((XMLCompletionResultItemPaintComponent)renderComponent).paintComponent(g);
264 }
265
266 }
267 |
Popular Tags |
Java API By Example, From Geeks To Geeks.