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21
24 package org.lobobrowser.html.renderer;
25 import java.awt.*;
26
27 import org.lobobrowser.html.domimpl.ModelNode;
28 import org.lobobrowser.html.style.RenderState;
29
30 class RBlank extends BaseBoundableRenderable {
31 public final int ascentPlusLeading;
33 private final FontMetrics fontMetrics;
34
35 public RBlank(ModelNode me, FontMetrics fm, RenderableContainer container, int ascentPlusLeading, int width, int height) {
36 super(container, me);
37 this.fontMetrics = fm;
38 this.ascentPlusLeading = ascentPlusLeading;
39 this.width = width;
41 this.height = height;
42 }
43
44 protected void invalidateLayoutLocal() {
45 }
46
47 public boolean onMouseClick(java.awt.event.MouseEvent  event, int x, int y) {
48 ModelNode me = this.modelNode;
49 if(me != null) {
50 return HtmlController.getInstance().onMouseClick(me, event, x, y);
51 }
52 else {
53 return true;
54 }
55 }
56
57 public boolean onDoubleClick(java.awt.event.MouseEvent event, int x, int y) {
58 ModelNode me = this.modelNode;
59 if(me != null) {
60 return HtmlController.getInstance().onDoubleClick(me, event, x, y);
61 }
62 else {
63 return true;
64 }
65 }
66
67 public boolean onMousePressed(java.awt.event.MouseEvent event, int x, int y) {
68 ModelNode me = this.modelNode;
69 if(me != null) {
70 return HtmlController.getInstance().onMouseDown(me, event, x, y);
71 }
72 else {
73 return true;
74 }
75 }
76
77 public boolean onMouseReleased(java.awt.event.MouseEvent event, int x, int y) {
78 ModelNode me = this.modelNode;
79 if(me != null) {
80 return HtmlController.getInstance().onMouseUp(me, event, x, y);
81 }
82 else {
83 return true;
84 }
85 }
86
87 public boolean onMouseDisarmed(java.awt.event.MouseEvent event) {
88 ModelNode me = this.modelNode;
89 if(me != null) {
90 return HtmlController.getInstance().onMouseDisarmed(me, event);
91 }
92 else {
93 return true;
94 }
95 }
96
97
100 public final void paint(Graphics g) {
101 RenderState rs = this.modelNode.getRenderState();
102 Color bkg = rs.getTextBackgroundColor();
103 if(bkg != null) {
104 Color oldColor = g.getColor();
105 try {
106 g.setColor(bkg);
107 g.fillRect(0, 0, this.width, this.height);
108 } finally {
109 g.setColor(oldColor);
110 }
111 }
112 int td = rs.getTextDecorationMask();
113 if(td != 0) {
114 if((td & RenderState.MASK_TEXTDECORATION_UNDERLINE) != 0) {
115 int lineOffset = this.ascentPlusLeading + 2;
116 g.drawLine(0, lineOffset, this.width, lineOffset);
117 }
118 if ((td & RenderState.MASK_TEXTDECORATION_LINE_THROUGH) != 0) {
119 FontMetrics fm = this.fontMetrics;
120 int lineOffset = fm.getLeading() + (fm.getAscent() + fm.getDescent()) / 2;
121 g.drawLine(0, lineOffset, this.width, lineOffset);
122 }
123 if ((td & RenderState.MASK_TEXTDECORATION_OVERLINE) != 0) {
124 int lineOffset = this.fontMetrics.getLeading();
125 g.drawLine(0, lineOffset, this.width, lineOffset);
126 }
127 if ((td & RenderState.MASK_TEXTDECORATION_BLINK) != 0) {
128 }
130 }
131 Color over = rs.getOverlayColor();
132 if(over != null) {
133 Color oldColor = g.getColor();
134 try {
135 g.setColor(over);
136 g.fillRect(0, 0, width, height);
137 } finally {
138 g.setColor(oldColor);
139 }
140 }
141 }
142
143
146 public boolean paintSelection(Graphics g, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
147 if(this == startPoint.renderable || this == endPoint.renderable) {
148 if(inSelection) {
149 return false;
150 }
151 }
152 else if(!inSelection) {
153 return false;
154 }
155 g.setColor(SELECTION_COLOR);
156 g.setXORMode(SELECTION_XOR);
157 g.fillRect(0, 0, this.width, this.height);
158 g.setPaintMode();
159 return true;
160 }
161
162 public boolean extractSelectionText(StringBuffer buffer, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
163 if(this == startPoint.renderable || this == endPoint.renderable) {
164 if(inSelection) {
165 return false;
166 }
167 }
168 else if(!inSelection) {
169 return false;
170 }
171 buffer.append(' ');
172 return true;
173 }
174
175
178 public RenderableSpot getLowestRenderableSpot(int x, int y) {
179 return new RenderableSpot(this, x, y);
180 }
181 }
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