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1
19
20 package org.netbeans.modules.web.core.syntax.completion;
21
22 import java.awt.Font  ;
23 import java.awt.Graphics ;
24 import java.net.URL ;
25 import org.netbeans.api.editor.completion.Completion;
26 import org.netbeans.editor.BaseDocument;
27 import org.netbeans.editor.ext.CompletionQuery;
28 import org.netbeans.spi.editor.completion.*;
29 import org.netbeans.spi.editor.completion.support.AsyncCompletionTask;
30
31 import java.awt.Color ;
32 import java.awt.Component ;
33 import java.awt.event.KeyEvent ;
34 import javax.swing.text.BadLocationException ;
35 import javax.swing.text.JTextComponent ;
36 import javax.swing.*;
37
38
39
44
45 public abstract class ResultItem implements CompletionQuery.ResultItem, CompletionItem {
46
47 static String toAdd;
48 public static final String COMPLETION_SUBSTITUTE_TEXT= "completion-substitute-text";
50 protected int selectionStartOffset = -1;
51 protected int selectionEndOffset = -1;
52 private int substituteOffset = -1;
54 protected boolean shift = false;
55
56 public int getSubstituteOffset() {
57 return substituteOffset;
58 }
59
60 public void setSubstituteOffset(int offset) {
61 this.substituteOffset = offset;
62 }
63
64 public abstract String getItemText();
65
66 public abstract Component getPaintComponent(boolean isSelected);
67
68 public abstract int getSortPriority();
69
70 public CharSequence getSortText() {
71 return getItemText();
72 }
73
74 public void processKeyEvent(KeyEvent e) {
75 shift = (e.getKeyCode() == KeyEvent.VK_ENTER && e.getID() == KeyEvent.KEY_PRESSED && e.isShiftDown());
76 }
77
78 public boolean substituteCommonText(JTextComponent c, int offset, int len, int subLen) {
79 return false;
83 }
84
85 public boolean substituteText(JTextComponent c, int offset, int len, boolean shift) {
87 BaseDocument doc = (BaseDocument)c.getDocument();
88 String text = getItemText();
89
90 if (text != null) {
91 if (toAdd != null && !toAdd.equals("\n")) text += toAdd;
93 doc.atomicLock();
95 try {
96 String textToReplace = doc.getText(offset, len);
97 if (text.equals(textToReplace)) return false;
98
99 doc.remove(offset, len);
100 doc.insertString(offset, text, null);
101 if (selectionStartOffset >= 0) {
102 c.select(offset + selectionStartOffset,
103 offset + selectionEndOffset);
104 }
105 } catch (BadLocationException e) {
106 } finally {
108 doc.atomicUnlock();
109 }
110 }
111
112 return true;
113 }
114
115 public Component getPaintComponent(javax.swing.JList list, boolean isSelected, boolean cellHasFocus) {
116 Component ret = getPaintComponent(isSelected);
117 if (ret==null) return null;
118 if (isSelected) {
119 ret.setBackground(list.getSelectionBackground());
120 ret.setForeground(list.getSelectionForeground());
121 } else {
122 ret.setBackground(list.getBackground());
123 ret.setForeground(list.getForeground());
124 }
125 ret.getAccessibleContext().setAccessibleName(getItemText());
126 ret.getAccessibleContext().setAccessibleDescription(getItemText());
127 return ret;
128 }
129
130 public int getPreferredWidth(Graphics g, Font defaultFont) {
131 Component renderComponent = getPaintComponent(false);
132 return renderComponent.getPreferredSize().width;
133 }
134
135 public void render(Graphics g, Font defaultFont, Color defaultColor,
136 Color backgroundColor, int width, int height, boolean selected) {
137 Component renderComponent = getPaintComponent(selected);
138 renderComponent.setFont(defaultFont);
139 renderComponent.setForeground(defaultColor);
140 renderComponent.setBackground(backgroundColor);
141 renderComponent.setBounds(0, 0, width, height);
142 ((ResultItemPaintComponent)renderComponent).paintComponent(g);
143 }
144
145 public boolean instantSubstitution(JTextComponent c) {
146 defaultAction(c);
147 return true;
148 }
149
150 public CompletionTask createDocumentationTask() {
151 return new AsyncCompletionTask(new JspCompletionProvider.DocQuery(this));
152 }
153
154 public abstract URL getHelpURL();
155
156
159 public abstract String getHelp();
160
161
162 public abstract boolean hasHelp();
163
164 public CompletionTask createToolTipTask() {
165 return null;
166 }
167
168 public int getImportance() {
169 return 0;
170 }
171
172 public void defaultAction(JTextComponent component) {
173 int substOffset = getSubstituteOffset();
174 if (substOffset == -1)
175 substOffset = component.getCaret().getDot();
176
177 if(!shift) Completion.get().hideAll();
178 substituteText(component, substOffset, component.getCaret().getDot() - substOffset, shift);
179 }
180
181 }
182 |
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