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1
19
20 package org.netbeans.modules.css.actions;
21
22 import org.netbeans.modules.css.loader.CssDataObject;
23 import org.netbeans.modules.css.visual.model.CssMetaModel;
24 import org.netbeans.modules.css.visual.model.CssMetaModel.CssModelChangeEvent;
25 import org.netbeans.modules.css.visual.model.CssRuleData;
26 import java.awt.Component  ;
27 import java.awt.Image ;
28 import javax.swing.DefaultListCellRenderer ;
29 import javax.swing.ImageIcon ;
30 import javax.swing.JLabel ;
31 import javax.swing.JList ;
32 import javax.swing.ListSelectionModel ;
33 import javax.swing.event.ListSelectionEvent ;
34 import javax.swing.event.ListSelectionListener ;
35 import org.openide.util.Utilities;
36
37
42 public final class CssRuleNavigationView extends JList implements CssMetaModel.CssModelListener, ListSelectionListener {
43
44 private static final String CSS_RULE_ICON = "org/netbeans/modules/css/resources/css_rule.png";
45 private static ImageIcon ruleIcon = null;
46 private CssMetaModel currentCssMetaModel = CssMetaModel.getInstance();
48
49 public CssRuleNavigationView() {
50 ruleIcon = new ImageIcon (Utilities.loadImage(CSS_RULE_ICON));
51 initComponents();
52 setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
53 updateRules();
54 currentCssMetaModel.addModelListener(this);
55 }
56
57 public void valueChanged(ListSelectionEvent evt) {
59 JList list = (JList )evt.getSource();
60 CssRuleData cssRule = (CssRuleData)list.getSelectedValue();
61 if(cssRule != null){
62 int docLen = cssRule.getTextComponent().getDocument().getLength();
63 if(cssRule.getOffset()+2 < docLen){
64 cssRule.getTextComponent().getCaret().setDot(cssRule.getOffset()+2);
65 }else{
66 cssRule.getTextComponent().getCaret().setDot(docLen - 1);
67 }
68 }
69 }
70
71 private void initComponents(){
72 setCellRenderer(new CustomListCellRenderer());
73 }
74
75 public void updateRules(){
76 removeListSelectionListener(this);
77 CssRuleData[] rules = CssMetaModel.getInstance().getRuleSet();
78 setListData(rules);
79 setSelectedValue(CssMetaModel.getInstance().getSelectedRule(), true);
80 validate();
81 repaint();
82 addListSelectionListener(this);
83 }
84
85 public void updateModel(CssDataObject cssDataObject) {
86 if (currentCssMetaModel != null) {
87 currentCssMetaModel.removeModelListener(this);
88 }
89 currentCssMetaModel = CssMetaModel.getInstance(cssDataObject);
90 if (currentCssMetaModel != null) {
91 currentCssMetaModel.addModelListener(this);
92 }
93 updateRules();
94 }
95
96 public void clearRules() {
97 setListData(new Object [0]);
98 if (currentCssMetaModel != null) {
99 currentCssMetaModel.removeModelListener(this);
100 currentCssMetaModel = null;
101 }
102 }
103
104 public void ruleAdded(CssModelChangeEvent evt){
106 updateRules();
107 }
108
109 public void ruleRemoved(CssModelChangeEvent evt){
110 }
112 public void selectionChanged(CssModelChangeEvent evt){
113 removeListSelectionListener(this);
114 setSelectedValue(evt.getRule(), true);
115 addListSelectionListener(this);
116 }
117
118 public void viewChanged(CssModelChangeEvent evt) {
119 }
120
121
122 private static class CustomListCellRenderer extends DefaultListCellRenderer {
123
124 public CustomListCellRenderer() {
125 setHorizontalAlignment(JLabel.LEFT);
126 setVerticalAlignment(JLabel.CENTER);
127 }
128
129 public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
130
131 if (isSelected) {
132 setBackground(list.getSelectionBackground());
133 setForeground(list.getSelectionForeground());
134 } else {
135 setBackground(list.getBackground());
136 setForeground(list.getForeground());
137 }
138
139 String name = null;
140 boolean expimp = false;
141 if(value instanceof CssRuleData){
142 setIcon(ruleIcon);
143 setText(((CssRuleData)value).getRule());
144 }
145
146 return this;
147 }
148 }
149 }
150 |
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