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1
11
12 package org.eclipse.birt.chart.examples.api.viewer;
13
14 import org.eclipse.birt.chart.device.IDeviceRenderer;
15 import org.eclipse.birt.chart.examples.api.script.JavaScriptViewer;
16 import org.eclipse.birt.chart.exception.ChartException;
17 import org.eclipse.birt.chart.factory.GeneratedChartState;
18 import org.eclipse.birt.chart.factory.Generator;
19 import org.eclipse.birt.chart.log.ILogger;
20 import org.eclipse.birt.chart.log.Logger;
21 import org.eclipse.birt.chart.model.Chart;
22 import org.eclipse.birt.chart.model.ChartWithAxes;
23 import org.eclipse.birt.chart.model.ChartWithoutAxes;
24 import org.eclipse.birt.chart.model.attribute.AxisType;
25 import org.eclipse.birt.chart.model.attribute.Bounds;
26 import org.eclipse.birt.chart.model.attribute.ChartDimension;
27 import org.eclipse.birt.chart.model.attribute.impl.BoundsImpl;
28 import org.eclipse.birt.chart.model.attribute.impl.JavaNumberFormatSpecifierImpl;
29 import org.eclipse.birt.chart.model.component.Axis;
30 import org.eclipse.birt.chart.util.PluginSettings;
31 import org.eclipse.birt.core.exception.BirtException;
32
33 import org.eclipse.swt.SWT;
34 import org.eclipse.swt.events.PaintEvent;
35 import org.eclipse.swt.events.PaintListener;
36 import org.eclipse.swt.events.SelectionEvent;
37 import org.eclipse.swt.events.SelectionListener;
38 import org.eclipse.swt.graphics.Device;
39 import org.eclipse.swt.graphics.Font;
40 import org.eclipse.swt.graphics.FontMetrics;
41 import org.eclipse.swt.graphics.GC;
42 import org.eclipse.swt.graphics.Image;
43 import org.eclipse.swt.graphics.Point;
44 import org.eclipse.swt.graphics.Rectangle;
45 import org.eclipse.swt.layout.GridData;
46 import org.eclipse.swt.layout.GridLayout;
47 import org.eclipse.swt.layout.RowLayout;
48 import org.eclipse.swt.widgets.Button;
49 import org.eclipse.swt.widgets.Combo;
50 import org.eclipse.swt.widgets.Composite;
51 import org.eclipse.swt.widgets.Display;
52 import org.eclipse.swt.widgets.Label;
53 import org.eclipse.swt.widgets.Shell;
54
55
59 public final class SwtChartViewerSelector extends Composite implements
60 PaintListener,
61 SelectionListener
62 {
63
64 private IDeviceRenderer idr = null;
65
66 private Chart cm = null;
67
68 private static Combo cbType = null;
69
70 private static Combo cbDimension = null;
71
72 private static Button btn = null;
73
74 private GeneratedChartState gcs = null;
75
76 private boolean bNeedsGeneration = true;
77
78 private static Button cbPercent = null;
79
80 private static Button cbLogarithmic = null;
81
82 private static Button cbTransposed = null;
83
84 private static ILogger logger = Logger.getLogger( JavaScriptViewer.class.getName( ) );
85
90 public static void main( String  [] args )
91 {
92 Display display = Display.getDefault( );
93 Shell shell = new Shell( display );
94 shell.setSize( 800, 600 );
95 shell.setLayout( new GridLayout( ) );
96
97 SwtChartViewerSelector scv = new SwtChartViewerSelector( shell, SWT.NO_BACKGROUND );
98 scv.setLayoutData( new GridData( GridData.FILL_BOTH ) );
99 scv.addPaintListener( scv );
100
101 Composite cBottom = new Composite( shell, SWT.NONE );
102 cBottom.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
103 cBottom.setLayout( new RowLayout( ) );
104
105 Label la = new Label( cBottom, SWT.NONE );
106
107 la.setText( "Choose: " ); cbType = new Combo( cBottom, SWT.DROP_DOWN | SWT.READ_ONLY );
109 cbType.add( "Bar Chart" ); cbType.add( "Bar Chart(2 Series)" ); cbType.add( "Pie Chart" ); cbType.add( "Pie Chart(4 Series)" ); cbType.add( "Line Chart" ); cbType.add( "Bar/Line Stacked Chart" ); cbType.add( "Scatter Chart" ); cbType.add( "Stock Chart" ); cbType.add( "Area Chart" ); cbType.select( 0 );
119
120 cbDimension = new Combo( cBottom, SWT.DROP_DOWN | SWT.READ_ONLY );
121 cbDimension.add( "2D" ); cbDimension.add( "2D with Depth" ); cbDimension.select( 0 );
124
125 cbTransposed = new Button( cBottom, SWT.CHECK );
126 cbTransposed.setText( "Transposed" );
128 cbPercent = new Button( cBottom, SWT.CHECK );
129 cbPercent.setText( "Percent" );
131 cbLogarithmic = new Button( cBottom, SWT.CHECK );
132 cbLogarithmic.setText( "Logarithmic" );
134 btn = new Button( cBottom, SWT.NONE );
135 btn.setText( "Update" ); btn.addSelectionListener( scv );
137
138 shell.open( );
139 while ( !shell.isDisposed( ) )
140 {
141 if ( !display.readAndDispatch( ) )
142 display.sleep( );
143 }
144 display.dispose( );
145 }
146
147
150 SwtChartViewerSelector( Composite parent, int style )
151 {
152 super( parent, style );
153 final PluginSettings ps = PluginSettings.instance( );
154 try
155 {
156 idr = ps.getDevice( "dv.SWT" ); }
158 catch ( ChartException ex )
159 {
160 logger.log( ex );
161 }
162 cm = PrimitiveCharts.createBarChart( );
163
164 }
165
166
171 public final void paintControl( PaintEvent e )
172 {
173 Rectangle d = this.getClientArea( );
174 Image imgChart = new Image( this.getDisplay( ), d );
175 GC gcImage = new GC( imgChart );
176 idr.setProperty( IDeviceRenderer.GRAPHICS_CONTEXT, gcImage );
177
178 Bounds bo = BoundsImpl.create( 0, 0, d.width, d.height );
179 bo.scale( 72d / idr.getDisplayServer( ).getDpiResolution( ) );
180
181 Generator gr = Generator.instance( );
182 if ( bNeedsGeneration )
183 {
184 bNeedsGeneration = false;
185 try
186 {
187 gcs = gr.build( idr.getDisplayServer( ),
188 cm,
189 bo,
190 null,
191 null,
192 null );
193 }
194 catch ( ChartException ce )
195 {
196 ce.printStackTrace( );
197 }
198 }
199
200 try
201 {
202 gr.render( idr, gcs );
203 GC gc = e.gc;
204 gc.drawImage( imgChart, d.x, d.y );
205 }
206 catch ( ChartException gex )
207 {
208 showException( e.gc, gex );
209 }
210 }
211
212
217 public void widgetSelected( SelectionEvent e )
218 {
219 if ( e.widget.equals( btn ) )
220 {
221 int iSelection = cbType.getSelectionIndex( );
222 switch ( iSelection )
223 {
224 case 0 :
225 cm = PrimitiveCharts.createBarChart( );
226 break;
227 case 1 :
228 cm = PrimitiveCharts.createMultiBarChart( );
229 break;
230 case 2 :
231 cm = PrimitiveCharts.createPieChart( );
232 break;
233 case 3 :
234 cm = PrimitiveCharts.createMultiPieChart( );
235 break;
236 case 4 :
237 cm = PrimitiveCharts.createLineChart( );
238 break;
239 case 5 :
240 cm = PrimitiveCharts.createStackedChart( );
241 break;
242 case 6 :
243 cm = PrimitiveCharts.createScatterChart( );
244 break;
245 case 7 :
246 cm = PrimitiveCharts.createStockChart( );
247 break;
248 case 8 :
249 cm = PrimitiveCharts.createAreaChart( );
250 break;
251 }
252
253 if ( cm instanceof ChartWithAxes )
254 {
255
256 cbTransposed.setEnabled( true );
257 cbLogarithmic.setEnabled( true );
258 cbPercent.setEnabled( true );
259
260 ChartWithAxes cwa = ( (ChartWithAxes) cm );
261 cwa.setTransposed( cbTransposed.getSelection( ) );
262 Axis ax = cwa.getPrimaryOrthogonalAxis( cwa.getPrimaryBaseAxes( )[0] );
263
264 if ( cbLogarithmic.getSelection( ) )
265 {
266 if ( ax.getType( ) == AxisType.LINEAR_LITERAL )
267 {
268 ax.setType( AxisType.LOGARITHMIC_LITERAL );
269 }
270 }
271 else
272 {
273 if ( ax.getType( ) == AxisType.LOGARITHMIC_LITERAL )
274 {
275 ax.setType( AxisType.LINEAR_LITERAL );
276 }
277 }
278
279 if ( cbPercent.getSelection( ) == true )
280 {
281 ax.setFormatSpecifier( JavaNumberFormatSpecifierImpl.create( "0'%'" ) ); }
283 else
284 {
285 ax.setFormatSpecifier( null );
286 }
287
288 }
289 else if ( cm instanceof ChartWithoutAxes )
290 {
291 cbTransposed.setEnabled( false );
292 cbLogarithmic.setEnabled( false );
293 cbPercent.setEnabled( false );
294 }
295
296 if ( cbType.getSelectionIndex( ) == 7 )
297 {
298 cm.setDimension( ChartDimension.TWO_DIMENSIONAL_LITERAL );
299 }
300 else
301 {
302 switch ( cbDimension.getSelectionIndex( ) )
303 {
304
305 case 0 :
306 cm.setDimension( ChartDimension.TWO_DIMENSIONAL_LITERAL );
307 break;
308 case 1 :
309 cm.setDimension( ChartDimension.TWO_DIMENSIONAL_WITH_DEPTH_LITERAL );
310 break;
311 }
312 }
313
314 bNeedsGeneration = true;
315 this.redraw( );
316 }
317 }
318
319
324 public void widgetDefaultSelected( SelectionEvent e )
325 {
326
328 }
329
330 private final void showException( GC g2d, Exception ex )
331 {
332 String sWrappedException = ex.getClass( ).getName( );
333 Throwable th = ex;
334 while ( ex.getCause( ) != null )
335 {
336 ex = (Exception ) ex.getCause( );
337 }
338 String sException = ex.getClass( ).getName( );
339 if ( sWrappedException.equals( sException ) )
340 {
341 sWrappedException = null;
342 }
343
344 String sMessage = null;
345 if ( th instanceof BirtException )
346 {
347 sMessage = ( (BirtException) th ).getLocalizedMessage( );
348 }
349 else
350 {
351 sMessage = ex.getMessage( );
352 }
353
354 if ( sMessage == null )
355 {
356 sMessage = "<null>"; }
358 StackTraceElement [] stea = ex.getStackTrace( );
359 Point d = this.getSize( );
360
361 Device dv = Display.getCurrent( );
362 Font fo = new Font( dv, "Courier", SWT.BOLD, 16 ); g2d.setFont( fo );
364 FontMetrics fm = g2d.getFontMetrics( );
365 g2d.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
366 g2d.fillRectangle( 20, 20, d.x - 40, d.y - 40 );
367 g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
368 g2d.drawRectangle( 20, 20, d.x - 40, d.y - 40 );
369 g2d.setClipping( 20, 20, d.x - 40, d.y - 40 );
370 int x = 25, y = 20 + fm.getHeight( );
371 g2d.drawString( "Exception:", x, y ); x += g2d.textExtent( "Exception:" ).x + 5; g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
374 g2d.drawString( sException, x, y );
375 x = 25;
376 y += fm.getHeight( );
377 if ( sWrappedException != null )
378 {
379 g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
380 g2d.drawString( "Wrapped In:", x, y ); x += g2d.textExtent( "Wrapped In:" ).x + 5; g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
383 g2d.drawString( sWrappedException, x, y );
384 x = 25;
385 y += fm.getHeight( );
386 }
387 g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
388 y += 10;
389 g2d.drawString( "Message:", x, y ); x += g2d.textExtent( "Message:" ).x + 5; g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLUE ) );
392 g2d.drawString( sMessage, x, y );
393 x = 25;
394 y += fm.getHeight( );
395 g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
396 y += 10;
397 g2d.drawString( "Trace:", x, y ); x = 40;
399 y += fm.getHeight( );
400 g2d.setForeground( dv.getSystemColor( SWT.COLOR_DARK_GREEN ) );
401 for ( int i = 0; i < stea.length; i++ )
402 {
403 g2d.drawString( stea[i].getClassName( ) + ":" + stea[i].getMethodName( ) + "(...):" + stea[i].getLineNumber( ), x, y );
406 x = 40;
407 y += fm.getHeight( );
408 }
409 fo.dispose( );
410 }
411 } |
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