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21
24 package org.lobobrowser.html.renderer;
25
26 import java.awt.Color  ;
27 import java.awt.Dimension ;
28 import java.awt.Graphics ;
29 import java.awt.Insets ;
30 import java.util.Iterator ;
31 import javax.swing.*;
32
33 import org.lobobrowser.html.domimpl.*;
34 import org.lobobrowser.html.*;
35 import org.lobobrowser.html.style.RenderState;
36
37
40 class RUIControl extends BaseElementRenderable implements RElement {
41 public final UIControl widget;
42 private final ModelNode modelNode;
43 private final FrameContext frameContext;
44
45 public RUIControl(ModelNode me, UIControl widget, RenderableContainer container, FrameContext frameContext, UserAgentContext ucontext) {
46 super(container, me, ucontext);
47 this.modelNode = me;
48 this.widget = widget;
49 this.frameContext = frameContext;
50 widget.setRUIControl(this);
51 }
52
53 public void focus() {
54 super.focus();
55 java.awt.Component c = this.widget.getComponent();
56 c.requestFocus();
57 }
58
59 public final void invalidateLayoutLocal() {
60 super.invalidateLayoutLocal();
62 this.widget.invalidate();
63 this.lastAvailHeight = -1;
65 this.lastAvailWidth = -1;
66 }
67
68 public int getVAlign() {
69 return this.widget.getVAlign();
70 }
71
72 public final void paint(Graphics g) {
73 this.widget.paint(g);
77 super.paint(g);
80 }
81
82 public boolean onMouseClick(java.awt.event.MouseEvent event, int x, int y) {
83 ModelNode me = this.modelNode;
84 if(me != null) {
85 return HtmlController.getInstance().onMouseClick(me, event, x, y);
86 }
87 else {
88 return true;
89 }
90 }
91
92 public boolean onDoubleClick(java.awt.event.MouseEvent event, int x, int y) {
93 ModelNode me = this.modelNode;
94 if(me != null) {
95 return HtmlController.getInstance().onDoubleClick(me, event, x, y);
96 }
97 else {
98 return true;
99 }
100 }
101
102 public boolean onMousePressed(java.awt.event.MouseEvent event, int x, int y) {
103 ModelNode me = this.modelNode;
104 if(me != null) {
105 return HtmlController.getInstance().onMouseDown(me, event, x, y);
106 }
107 else {
108 return true;
109 }
110 }
111
112 public boolean onMouseReleased(java.awt.event.MouseEvent event, int x, int y) {
113 ModelNode me = this.modelNode;
114 if(me != null) {
115 return HtmlController.getInstance().onMouseUp(me, event, x, y);
116 }
117 else {
118 return true;
119 }
120 }
121
122 public boolean onMouseDisarmed(java.awt.event.MouseEvent event) {
123 ModelNode me = this.modelNode;
124 if(me != null) {
125 return HtmlController.getInstance().onMouseDisarmed(me, event);
126 }
127 else {
128 return true;
129 }
130 }
131
132
135 public void invalidateRenderStyle() {
136 }
138
139
142 public void repaint(ModelNode modelNode) {
143 Object widget = this.widget;
144 if(widget instanceof UINode) {
145 ((UINode) widget).repaint(modelNode);
146 }
147 else {
148 this.repaint();
149 }
150 }
151
152 public void updateWidgetBounds(int guiX, int guiY) {
153 super.updateWidgetBounds(guiX, guiY);
155 this.widget.setBounds(guiX, guiY, this.width, this.height);
156 }
157
158 public Color getBlockBackgroundColor() {
159 return this.widget.getBackgroundColor();
160 }
161
162
165 public boolean paintSelection(Graphics g, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
166 inSelection = super.paintSelection(g, inSelection, startPoint, endPoint);
167 if(inSelection) {
168 Color over = new Color (0, 0, 255, 50);
169 if(over != null) {
170 Color oldColor = g.getColor();
171 try {
172 g.setColor(over);
173 g.fillRect(0, 0, this.width, this.height);
174 } finally {
175 g.setColor(oldColor);
176 }
177 }
178 }
179 return inSelection;
180 }
181
182 public boolean extractSelectionText(StringBuffer buffer, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
183 return inSelection;
185 }
186
187 public RenderableSpot getLowestRenderableSpot(int x, int y) {
188 return new RenderableSpot(this, x, y);
190 }
191
192 private int lastAvailWidth = -1;
193 private int lastAvailHeight = -1;
194 private int declaredWidth = -1;
195 private int declaredHeight = -1;
196
197 public void doLayout(int availWidth, int availHeight, boolean expandWidth, boolean expandHeight) {
198 if(availWidth != this.lastAvailWidth || availHeight != this.lastAvailHeight) {
199 this.applyStyle();
200 this.lastAvailWidth = availWidth;
201 this.lastAvailHeight = availHeight;
202 UIControl widget = this.widget;
203 widget.reset(availWidth, availHeight);
204 RenderState renderState = this.modelNode.getRenderState();
205 int dw = this.getDeclaredWidth(renderState, availWidth);
206 int dh = this.getDeclaredHeight(renderState, availHeight);
207 this.declaredWidth = dw;
208 this.declaredHeight = dh;
209 if(dw == -1 || dh == -1) {
210 Dimension size = widget.getPreferredSize();
211 if(dw == -1) {
212 dw = size.width;
213 }
214 if(dh == -1) {
215 dh = size.height;
216 }
217 }
218 this.width = dw;
219 this.height = dh;
220 }
221 }
222
223
230 public final void preferredSizeInvalidated() {
231 int dw = RUIControl.this.declaredWidth;
232 int dh = RUIControl.this.declaredHeight;
233 if(dw == -1 || dh == -1) {
234 this.frameContext.delayedRelayout((NodeImpl) this.modelNode);
235 }
236 else {
237 RUIControl.this.repaint();
238 }
239 }
240
241 public Iterator getRenderables() {
242 return null;
244 }
245
246 public Color getPaintedBackgroundColor() {
247 return this.container.getPaintedBackgroundColor();
248 }
249
250 public Insets getInsets() {
251 return RBlockViewport.ZERO_INSETS;
252 }
253 }
254 |
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