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1
7
8 package javax.swing.plaf.synth;
9
10 import java.awt.*;
11 import java.beans.PropertyChangeEvent  ;
12 import java.beans.PropertyChangeListener ;
13
14 import javax.swing.*;
15 import javax.swing.plaf.basic.BasicHTML ;
16 import javax.swing.plaf.basic.BasicToolTipUI ;
17 import javax.swing.plaf.ComponentUI ;
18 import javax.swing.text.View ;
19 import sun.swing.plaf.synth.SynthUI;
20
21
22
28 class SynthToolTipUI extends BasicToolTipUI implements PropertyChangeListener ,
29 SynthUI {
30 private SynthStyle style;
31
32
33 public static ComponentUI createUI(JComponent c) {
34 return new SynthToolTipUI ();
35 }
36
37 protected void installDefaults(JComponent c) {
38 updateStyle(c);
39 }
40
41 private void updateStyle(JComponent c) {
42 SynthContext context = getContext(c, ENABLED);
43 style = SynthLookAndFeel.updateStyle(context, this);
44 context.dispose();
45 }
46
47 protected void uninstallDefaults(JComponent c) {
48 SynthContext context = getContext(c, ENABLED);
49 style.uninstallDefaults(context);
50 context.dispose();
51 style = null;
52 }
53
54 protected void installListeners(JComponent c) {
55 c.addPropertyChangeListener(this);
56 }
57
58 protected void uninstallListeners(JComponent c) {
59 c.removePropertyChangeListener(this);
60 }
61
62 public SynthContext getContext(JComponent c) {
63 return getContext(c, getComponentState(c));
64 }
65
66 private SynthContext getContext(JComponent c, int state) {
67 return SynthContext.getContext(SynthContext .class, c,
68 SynthLookAndFeel.getRegion(c), style, state);
69 }
70
71 private Region getRegion(JComponent c) {
72 return SynthLookAndFeel.getRegion(c);
73 }
74
75 private int getComponentState(JComponent c) {
76 JComponent comp = ((JToolTip)c).getComponent();
77
78 if (comp != null && !comp.isEnabled()) {
79 return DISABLED;
80 }
81 return SynthLookAndFeel.getComponentState(c);
82 }
83
84 public void update(Graphics g, JComponent c) {
85 SynthContext context = getContext(c);
86
87 SynthLookAndFeel.update(context, g);
88 context.getPainter().paintToolTipBackground(context,
89 g, 0, 0, c.getWidth(), c.getHeight());
90 paint(context, g);
91 context.dispose();
92 }
93
94 public void paintBorder(SynthContext context, Graphics g, int x,
95 int y, int w, int h) {
96 context.getPainter().paintToolTipBorder(context, g, x, y, w, h);
97 }
98
99 public void paint(Graphics g, JComponent c) {
100 SynthContext context = getContext(c);
101
102 paint(context, g);
103 context.dispose();
104 }
105
106 protected void paint(SynthContext context, Graphics g) {
107 JToolTip tip = (JToolTip)context.getComponent();
108 String tipText = tip.getToolTipText();
109
110 Insets insets = tip.getInsets();
111 View v = (View )tip.getClientProperty(BasicHTML.propertyKey);
112 if (v != null) {
113 Rectangle paintTextR = new Rectangle(insets.left, insets.top,
114 tip.getWidth() - (insets.left + insets.right),
115 tip.getHeight() - (insets.top + insets.bottom));
116 v.paint(g, paintTextR);
117 } else {
118 g.setColor(context.getStyle().getColor(context,
119 ColorType.TEXT_FOREGROUND));
120 g.setFont(style.getFont(context));
121 context.getStyle().getGraphicsUtils(context).paintText(
122 context, g, tip.getTipText(), insets.left, insets.top, -1);
123 }
124 }
125
126 public Dimension getPreferredSize(JComponent c) {
127 SynthContext context = getContext(c);
128 Insets insets = c.getInsets();
129 Dimension prefSize = new Dimension(insets.left+insets.right,
130 insets.top+insets.bottom);
131 String text = ((JToolTip)c).getTipText();
132
133 if (text != null) {
134 View v = (c != null) ? (View ) c.getClientProperty("html") : null;
135 if (v != null) {
136 prefSize.width += (int) v.getPreferredSpan(View.X_AXIS);
137 prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
138 } else {
139 Font font = context.getStyle().getFont(context);
140 FontMetrics fm = c.getFontMetrics(font);
141 prefSize.width += context.getStyle().getGraphicsUtils(context).
142 computeStringWidth(context, font, fm, text);
143 prefSize.height += fm.getHeight();
144 }
145 }
146 context.dispose();
147 return prefSize;
148 }
149
150 public void propertyChange(PropertyChangeEvent e) {
151 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
152 updateStyle((JToolTip)e.getSource());
153 }
154 String name = e.getPropertyName();
155 if (name.equals("tiptext") || "font".equals(name) ||
156 "foreground".equals(name)) {
157 JToolTip tip = ((JToolTip) e.getSource());
161 String text = tip.getTipText();
162 BasicHTML.updateRenderer(tip, text);
163 }
164 }
165 }
166 |
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