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Diff Revisions 947 vs 948 for /trunk/Java/GWT/Client/src/com/google/gwt/widgetideas/client/ResizableWidgetCollection.java

Diff revisions: vs.
  @@ -15,13 +15,13 @@
15 15 */
16 16 package com.google.gwt.widgetideas.client;
17 17
18 - import java.util.*;
19 -
20 18 import com.google.gwt.event.logical.shared.*;
21 19 import com.google.gwt.event.shared.*;
22 20 import com.google.gwt.user.client.Timer;
23 21 import com.google.gwt.user.client.*;
24 22
23 + import java.util.*;
24 +
25 25 /**
26 26 * A collection of {@link ResizableWidget} that periodically checks the outer
27 27 * dimensions of a widget and redraws it as necessary. Every
  @@ -34,13 +34,11 @@
34 34 * they cannot be resized.
35 35 */
36 36 public class ResizableWidgetCollection implements WindowResizeListener,
37 - Iterable<ResizableWidget>
38 - {
37 + Iterable<ResizableWidget> {
39 38 /**
40 39 * Information about a widgets size.
41 40 */
42 - static class ResizableWidgetInfo
43 - {
41 + static class ResizableWidgetInfo {
44 42
45 43 private ResizableWidget widget;
46 44 private int curOffsetHeight = 0;
  @@ -53,29 +51,24 @@
53 51 *
54 52 * @param widget the widget that will be monitored
55 53 */
56 - public ResizableWidgetInfo( ResizableWidget widget )
57 - {
54 + public ResizableWidgetInfo( ResizableWidget widget ) {
58 55 this.widget = widget;
59 56 updateSizes();
60 57 }
61 58
62 - public int getClientHeight()
63 - {
59 + public int getClientHeight() {
64 60 return curClientHeight;
65 61 }
66 62
67 - public int getClientWidth()
68 - {
63 + public int getClientWidth() {
69 64 return curClientWidth;
70 65 }
71 66
72 - public int getOffsetHeight()
73 - {
67 + public int getOffsetHeight() {
74 68 return curOffsetHeight;
75 69 }
76 70
77 - public int getOffsetWidth()
78 - {
71 + public int getOffsetWidth() {
79 72 return curOffsetWidth;
80 73 }
81 74
  @@ -84,14 +77,12 @@
84 77 *
85 78 * @return true if the sizes changed, false if not.
86 79 */
87 - public boolean updateSizes()
88 - {
80 + public boolean updateSizes() {
89 81 int offsetWidth = widget.getElement().getOffsetWidth();
90 82 int offsetHeight = widget.getElement().getOffsetHeight();
91 83 int clientWidth = widget.getElement().getClientWidth();
92 84 int clientHeight = widget.getElement().getClientHeight();
93 - if ( offsetWidth != curOffsetWidth || offsetHeight != curOffsetHeight || clientWidth != curClientWidth || clientHeight != curClientHeight )
94 - {
85 + if ( offsetWidth != curOffsetWidth || offsetHeight != curOffsetHeight || clientWidth != curClientWidth || clientHeight != curClientHeight ) {
95 86 this.curOffsetWidth = offsetWidth;
96 87 this.curOffsetHeight = offsetHeight;
97 88 this.curClientWidth = clientWidth;
  @@ -119,10 +110,8 @@
119 110 *
120 111 * @return the global {@link ResizableWidgetCollection}
121 112 */
122 - public static ResizableWidgetCollection get()
123 - {
124 - if ( staticCollection == null )
125 - {
113 + public static ResizableWidgetCollection get() {
114 + if ( staticCollection == null ) {
126 115 staticCollection = new ResizableWidgetCollection();
127 116 }
128 117 return staticCollection;
  @@ -132,14 +121,11 @@
132 121 * The timer used to periodically compare the dimensions of elements to their
133 122 * old dimensions.
134 123 */
135 - private Timer resizeCheckTimer = new Timer()
136 - {
124 + private Timer resizeCheckTimer = new Timer() {
137 125 @Override
138 - public void run()
139 - {
126 + public void run() {
140 127 // Ignore changes that result from window resize events
141 - if ( windowHeight != Window.getClientHeight() || windowWidth != Window.getClientWidth() )
142 - {
128 + if ( windowHeight != Window.getClientHeight() || windowWidth != Window.getClientWidth() ) {
143 129 windowHeight = Window.getClientHeight();
144 130 windowWidth = Window.getClientWidth();
145 131 schedule( resizeCheckDelay );
  @@ -150,8 +136,7 @@
150 136 checkWidgetSize();
151 137
152 138 // Start checking again
153 - if ( resizeCheckingEnabled )
154 - {
139 + if ( resizeCheckingEnabled ) {
155 140 schedule( resizeCheckDelay );
156 141 }
157 142 }
  @@ -190,8 +175,7 @@
190 175 /**
191 176 * Create a ResizableWidget.
192 177 */
193 - public ResizableWidgetCollection()
194 - {
178 + public ResizableWidgetCollection() {
195 179 this( DEFAULT_RESIZE_CHECK_DELAY );
196 180 }
197 181
  @@ -200,8 +184,7 @@
200 184 *
201 185 * @param resizeCheckingEnabled false to disable resize checking
202 186 */
203 - public ResizableWidgetCollection( boolean resizeCheckingEnabled )
204 - {
187 + public ResizableWidgetCollection( boolean resizeCheckingEnabled ) {
205 188 this( DEFAULT_RESIZE_CHECK_DELAY, resizeCheckingEnabled );
206 189 }
207 190
  @@ -210,16 +193,14 @@
210 193 *
211 194 * @param resizeCheckDelay the delay between checks in milliseconds
212 195 */
213 - public ResizableWidgetCollection( int resizeCheckDelay )
214 - {
196 + public ResizableWidgetCollection( int resizeCheckDelay ) {
215 197 this( resizeCheckDelay, true );
216 198 }
217 199
218 200 /**
219 201 * Constructor.
220 202 */
221 - protected ResizableWidgetCollection( int resizeCheckDelay, boolean resizeCheckingEnabled )
222 - {
203 + protected ResizableWidgetCollection( int resizeCheckDelay, boolean resizeCheckingEnabled ) {
223 204 setResizeCheckDelay( resizeCheckDelay );
224 205 setResizeCheckingEnabled( resizeCheckingEnabled );
225 206 }
  @@ -229,8 +210,7 @@
229 210 *
230 211 * @param widget the resizable widget to add
231 212 */
232 - public void add( ResizableWidget widget )
233 - {
213 + public void add( ResizableWidget widget ) {
234 214 widgets.put( widget, new ResizableWidgetInfo( widget ) );
235 215 }
236 216
  @@ -238,19 +218,15 @@
238 218 * Check to see if any Widgets have been resized and call their handlers
239 219 * appropriately.
240 220 */
241 - public void checkWidgetSize()
242 - {
243 - for ( Map.Entry<ResizableWidget, ResizableWidgetInfo> entry : widgets.entrySet() )
244 - {
221 + public void checkWidgetSize() {
222 + for ( Map.Entry<ResizableWidget, ResizableWidgetInfo> entry : widgets.entrySet() ) {
245 223 ResizableWidget widget = entry.getKey();
246 224 ResizableWidgetInfo info = entry.getValue();
247 225
248 226 // Call the onResize method only if the widget is attached
249 - if ( info.updateSizes() )
250 - {
227 + if ( info.updateSizes() ) {
251 228 // Check that the offset width and height are greater than 0.
252 - if ( info.getOffsetWidth() > 0 && info.getOffsetHeight() > 0 && widget.isAttached() )
253 - {
229 + if ( info.getOffsetWidth() > 0 && info.getOffsetHeight() > 0 && widget.isAttached() ) {
254 230 // Send the client dimensions, which is the space available for
255 231 // rendering.
256 232 widget.onResize( info.getOffsetWidth(), info.getOffsetHeight() );
  @@ -264,8 +240,7 @@
264 240 *
265 241 * @return the resize check delay
266 242 */
267 - public int getResizeCheckDelay()
268 - {
243 + public int getResizeCheckDelay() {
269 244 return resizeCheckDelay;
270 245 }
271 246
  @@ -274,14 +249,12 @@
274 249 *
275 250 * @return true is resize checking is enabled
276 251 */
277 - public boolean isResizeCheckingEnabled()
278 - {
252 + public boolean isResizeCheckingEnabled() {
279 253 return resizeCheckingEnabled;
280 254 }
281 255
282 256 @Override
283 - public Iterator<ResizableWidget> iterator()
284 - {
257 + public Iterator<ResizableWidget> iterator() {
285 258 return widgets.keySet().iterator();
286 259 }
287 260
  @@ -291,9 +264,9 @@
291 264 * @param width the width of the window's client area.
292 265 * @param height the height of the window's client area.
293 266 */
294 - @Deprecated @Override
295 - public void onWindowResized( int width, int height )
296 - {
267 + @Deprecated
268 + @Override
269 + public void onWindowResized( int width, int height ) {
297 270 checkWidgetSize();
298 271 }
299 272
  @@ -302,8 +275,7 @@
302 275 *
303 276 * @param widget the widget to remove
304 277 */
305 - public void remove( ResizableWidget widget )
306 - {
278 + public void remove( ResizableWidget widget ) {
307 279 widgets.remove( widget );
308 280 }
309 281
  @@ -312,8 +284,7 @@
312 284 *
313 285 * @param resizeCheckDelay the new delay
314 286 */
315 - public void setResizeCheckDelay( int resizeCheckDelay )
316 - {
287 + public void setResizeCheckDelay( int resizeCheckDelay ) {
317 288 this.resizeCheckDelay = resizeCheckDelay;
318 289 }
319 290
  @@ -324,29 +295,21 @@
324 295 *
325 296 * @param enabled true to enable the resize checking timer
326 297 */
327 - public void setResizeCheckingEnabled( boolean enabled )
328 - {
329 - if ( enabled && !resizeCheckingEnabled )
330 - {
298 + public void setResizeCheckingEnabled( boolean enabled ) {
299 + if ( enabled && !resizeCheckingEnabled ) {
331 300 resizeCheckingEnabled = true;
332 - if ( windowHandler == null )
333 - {
334 - windowHandler = Window.addResizeHandler( new ResizeHandler()
335 - {
301 + if ( windowHandler == null ) {
302 + windowHandler = Window.addResizeHandler( new ResizeHandler() {
336 303 @Override
337 - public void onResize( ResizeEvent event )
338 - {
304 + public void onResize( ResizeEvent event ) {
339 305 onWindowResized( event.getWidth(), event.getHeight() );
340 306 }
341 307 } );
342 308 }
343 309 resizeCheckTimer.schedule( resizeCheckDelay );
344 - }
345 - else if ( !enabled && resizeCheckingEnabled )
346 - {
310 + } else if ( !enabled && resizeCheckingEnabled ) {
347 311 resizeCheckingEnabled = false;
348 - if ( windowHandler != null )
349 - {
312 + if ( windowHandler != null ) {
350 313 windowHandler.removeHandler();
351 314 windowHandler = null;
352 315 }
  @@ -361,16 +324,13 @@
361 324 *
362 325 * @param widget the widget's size that changed
363 326 */
364 - public void updateWidgetSize( ResizableWidget widget )
365 - {
366 - if ( !widget.isAttached() )
367 - {
327 + public void updateWidgetSize( ResizableWidget widget ) {
328 + if ( !widget.isAttached() ) {
368 329 return;
369 330 }
370 331
371 332 ResizableWidgetInfo info = widgets.get( widget );
372 - if ( info != null )
373 - {
333 + if ( info != null ) {
374 334 info.updateSizes();
375 335 }
376 336 }

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