svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap / src / org / gvsig / fmap / mapcontext / rendering / legend / styling / AttrInTableLabelingStrategy.java @ 21128
History | View | Annotate | Download (12 KB)
1 |
package org.gvsig.fmap.mapcontext.rendering.legend.styling; |
---|---|
2 |
|
3 |
import java.awt.Graphics2D; |
4 |
import java.awt.image.BufferedImage; |
5 |
import java.util.Iterator; |
6 |
import java.util.Vector; |
7 |
import java.util.logging.Level; |
8 |
import java.util.logging.Logger; |
9 |
|
10 |
import javax.print.attribute.PrintRequestAttributeSet; |
11 |
import javax.print.attribute.standard.PrintQuality; |
12 |
|
13 |
import org.gvsig.data.ReadException; |
14 |
import org.gvsig.data.vectorial.Feature; |
15 |
import org.gvsig.data.vectorial.FeatureCollection; |
16 |
import org.gvsig.data.vectorial.FeatureStore; |
17 |
import org.gvsig.data.vectorial.FeatureType; |
18 |
import org.gvsig.fmap.core.geometries.utils.FConstant; |
19 |
import org.gvsig.fmap.core.geometries.utils.FLabel; |
20 |
import org.gvsig.fmap.geom.Geometry; |
21 |
import org.gvsig.fmap.geom.operation.CreateLabels; |
22 |
import org.gvsig.fmap.geom.operation.CreateLabelsOperationContext; |
23 |
import org.gvsig.fmap.geom.operation.DrawInts; |
24 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
25 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
26 |
import org.gvsig.fmap.geom.primitive.Point2D; |
27 |
|
28 |
import org.gvsig.fmap.mapcontext.MapContext; |
29 |
import org.gvsig.fmap.mapcontext.ViewPort; |
30 |
import org.gvsig.fmap.mapcontext.layers.FBitSet; |
31 |
import org.gvsig.fmap.mapcontext.layers.FLayer; |
32 |
import org.gvsig.fmap.mapcontext.layers.ReadableVectorial; |
33 |
import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
34 |
import org.gvsig.fmap.mapcontext.rendering.legend.NullValue; |
35 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
36 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupportToolkit; |
37 |
import org.gvsig.fmap.mapcontext.rendering.symbols.SimpleTextSymbol; |
38 |
|
39 |
import com.iver.utiles.XMLEntity; |
40 |
import com.iver.utiles.swing.threads.Cancellable; |
41 |
|
42 |
/**
|
43 |
* LabelingStrategy used when the user wants to use label sizes, rotations, etc. from
|
44 |
* the values included in fields of the datasource's table
|
45 |
*
|
46 |
* @author jaume dominguez faus - jaume.dominguez@iver.es
|
47 |
*
|
48 |
*/
|
49 |
public class AttrInTableLabelingStrategy implements ILabelingStrategy, CartographicSupport { |
50 |
public static final double MIN_TEXT_SIZE = 3; |
51 |
private ILabelingMethod method = new DefaultLabelingMethod(); |
52 |
private IZoomConstraints zoom;
|
53 |
private int idTextField; |
54 |
private int idHeightField; |
55 |
private int idRotationField; |
56 |
private FLyrVect layer;
|
57 |
// private double unitFactor = 1D;
|
58 |
private double fixedSize; |
59 |
private int unit = -1; //(pixel) |
60 |
private boolean useFixedSize; |
61 |
private int referenceSystem; |
62 |
private boolean isPrinting; |
63 |
private double printDPI; |
64 |
|
65 |
public ILabelingMethod getLabelingMethod() {
|
66 |
return this.method; |
67 |
} |
68 |
|
69 |
public void setLabelingMethod(ILabelingMethod method) { |
70 |
this.method = method;
|
71 |
} |
72 |
|
73 |
public IPlacementConstraints getPlacementConstraints() {
|
74 |
return null; // (automatically handled by the driver) |
75 |
} |
76 |
|
77 |
public void setPlacementConstraints(IPlacementConstraints constraints) { |
78 |
// nothing
|
79 |
} |
80 |
|
81 |
public IZoomConstraints getZoomConstraints() {
|
82 |
return zoom;
|
83 |
} |
84 |
|
85 |
public void setZoomConstraints(IZoomConstraints constraints) { |
86 |
this.zoom = constraints;
|
87 |
} |
88 |
|
89 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double dpi) |
90 |
throws ReadException {
|
91 |
double scale = viewPort.getScale();
|
92 |
double fontScaleFactor = FConstant.FONT_HEIGHT_SCALE_FACTOR;
|
93 |
|
94 |
LabelClass lClass = method.getDefaultLabelClass(); |
95 |
SimpleTextSymbol sym = (SimpleTextSymbol) lClass.getTextSymbol(); |
96 |
if (zoom==null || |
97 |
( zoom.isUserDefined() && (scale >= zoom.getMaxScale()) |
98 |
&& (scale <= zoom.getMinScale()) ) ) { |
99 |
try {
|
100 |
// limit the labeling to the visible extent
|
101 |
// FBitSet bs = layer.queryByRect(viewPort.getAdjustedExtent());
|
102 |
FeatureCollection collection=(FeatureCollection)layer.getFeatureStore().getDataCollection(new String[0],null,null); |
103 |
// ReadableVectorial source = layer.getSource();
|
104 |
// SelectableDataSource recordSet = source.getRecordset();
|
105 |
Iterator iterator=collection.iterator();
|
106 |
CreateLabelsOperationContext cloc=new CreateLabelsOperationContext();
|
107 |
cloc.setDublicates(true);
|
108 |
cloc.setPosition(0);
|
109 |
while(iterator.hasNext()){
|
110 |
if (cancel.isCanceled()){
|
111 |
return;
|
112 |
} |
113 |
Feature feature=(Feature)iterator.next(); |
114 |
// for(int i=bs.nextSetBit(0); i>=0 && !cancel.isCanceled(); i=bs.nextSetBit(i+1)) {
|
115 |
// Value[] vv = recordSet.getRow(i);
|
116 |
double size;
|
117 |
|
118 |
if (useFixedSize){
|
119 |
// uses fixed size
|
120 |
size = fixedSize * fontScaleFactor; |
121 |
} else if (idHeightField != -1) { |
122 |
// text size is defined in the table
|
123 |
try {
|
124 |
size = ((Number) feature.get(idHeightField)).doubleValue() * fontScaleFactor;
|
125 |
} catch (ClassCastException ccEx) { |
126 |
if (!NullValue.class.equals(feature.get(idHeightField).getClass())) {
|
127 |
throw new ReadException("Unknown", ccEx); |
128 |
} |
129 |
// a null value
|
130 |
Logger.getAnonymousLogger().
|
131 |
warning("Null text height value for text '"+feature.get(idTextField).toString()+"'"); |
132 |
continue;
|
133 |
} |
134 |
} else {
|
135 |
// otherwise will use the size in the symbol
|
136 |
size = sym.getFont().getSize(); |
137 |
} |
138 |
|
139 |
size = CartographicSupportToolkit. |
140 |
getCartographicLength(this,
|
141 |
size, |
142 |
viewPort, |
143 |
MapContext.getScreenDPI()); |
144 |
// dpi);
|
145 |
// toScreenUnitYAxis(this,
|
146 |
// size,
|
147 |
// viewPort
|
148 |
// );
|
149 |
|
150 |
if (size <= MIN_TEXT_SIZE) {
|
151 |
// label is too small to be readable, will be skipped
|
152 |
// this speeds up the rendering in wider zooms
|
153 |
continue;
|
154 |
} |
155 |
|
156 |
sym.setFontSize(size); |
157 |
double rotation = 0D; |
158 |
if (idRotationField!= -1) { |
159 |
// text rotation is defined in the table
|
160 |
rotation = -Math.toRadians(((Number) feature.get(idRotationField)).doubleValue()); |
161 |
} |
162 |
|
163 |
Geometry geom = (Geometry)feature.getDefaultGeometry(); |
164 |
sym.setText(feature.get(idTextField).toString()); |
165 |
sym.setRotation(rotation); |
166 |
|
167 |
FLabel[] aux =(FLabel[])geom.invokeOperation(CreateLabels.CODE,cloc); |
168 |
// FLabel[] aux = geom.createLabels(0, true);
|
169 |
for (int j = 0; j < aux.length; j++) { |
170 |
Point2D p = new Point2D(aux[j].getOrig()); |
171 |
p.transform(viewPort.getAffineTransform()); |
172 |
sym.draw(g, null, p, cancel);
|
173 |
} |
174 |
} |
175 |
} catch (ReadException e) {
|
176 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Could not draw annotation in the layer.\n" + |
177 |
e.getMessage()); |
178 |
} catch (GeometryOperationNotSupportedException e) {
|
179 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Could not draw annotation in the layer.\n" + |
180 |
e.getMessage()); |
181 |
} catch (GeometryOperationException e) {
|
182 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Could not draw annotation in the layer.\n" + |
183 |
e.getMessage()); |
184 |
} |
185 |
|
186 |
} |
187 |
} |
188 |
|
189 |
public String getClassName() { |
190 |
return getClass().getName();
|
191 |
} |
192 |
|
193 |
public XMLEntity getXMLEntity() {
|
194 |
XMLEntity xml = new XMLEntity();
|
195 |
xml.putProperty("className", getClassName());
|
196 |
|
197 |
try {
|
198 |
xml.putProperty("HeightField", getHeightField());
|
199 |
} catch (ReadException e) {
|
200 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextHeight field.\n"+e.getMessage()); |
201 |
} |
202 |
|
203 |
try {
|
204 |
xml.putProperty("TextField", getTextField());
|
205 |
} catch (ReadException e) {
|
206 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextField field.\n"+e.getMessage()); |
207 |
} |
208 |
|
209 |
try {
|
210 |
xml.putProperty("RotationField", getRotationField());
|
211 |
} catch (ReadException e) {
|
212 |
Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing RotationField field.\n"+e.getMessage()); |
213 |
} |
214 |
|
215 |
xml.putProperty("Unit", unit);
|
216 |
return xml;
|
217 |
|
218 |
} |
219 |
|
220 |
public String getRotationField() throws ReadException { |
221 |
if (idRotationField == -1) return null; |
222 |
return ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getByOrder(idRotationField).getName(); |
223 |
} |
224 |
|
225 |
public int getRotationFieldId() { |
226 |
return idRotationField;
|
227 |
} |
228 |
|
229 |
public void setRotationFieldId(int fieldId) { |
230 |
this.idRotationField = fieldId;
|
231 |
} |
232 |
|
233 |
public String getTextField() throws ReadException { |
234 |
if (idTextField == -1) return null; |
235 |
return ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getByOrder(idTextField).getName(); |
236 |
} |
237 |
|
238 |
public int getTextFieldId() { |
239 |
return idTextField;
|
240 |
} |
241 |
|
242 |
public void setTextFieldId(int fieldId) { |
243 |
this.idTextField = fieldId;
|
244 |
} |
245 |
|
246 |
public String getHeightField() throws ReadException { |
247 |
if (idHeightField == -1) return null; |
248 |
return ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getByOrder(idHeightField).getName(); |
249 |
} |
250 |
|
251 |
public int getHeightFieldId() { |
252 |
return idHeightField;
|
253 |
} |
254 |
|
255 |
public void setHeightFieldId(int fieldId) { |
256 |
this.idHeightField = fieldId;
|
257 |
} |
258 |
|
259 |
public void setXMLEntity(XMLEntity xml) { |
260 |
if (xml.contains("TextField" )) |
261 |
setTextField(xml.getStringProperty("TextField"));
|
262 |
|
263 |
if (xml.contains("HeightField")) |
264 |
setHeightField("HeightField");
|
265 |
|
266 |
if (xml.contains("RotationField")) |
267 |
setRotationField("RotationField");
|
268 |
|
269 |
if (xml.contains("UnitFactor")) |
270 |
setUnit(xml.getIntProperty("Unit"));
|
271 |
} |
272 |
|
273 |
public void setTextField(String textFieldName) { |
274 |
try {
|
275 |
idTextField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getFieldIndex(textFieldName);
|
276 |
} catch (ReadException e) {
|
277 |
Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
278 |
} |
279 |
} |
280 |
|
281 |
public void setRotationField(String rotationFieldName) { |
282 |
if (rotationFieldName != null) { |
283 |
try {
|
284 |
idRotationField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getFieldIndex(rotationFieldName);
|
285 |
} catch (ReadException e) {
|
286 |
Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
287 |
} |
288 |
} else idRotationField = -1; |
289 |
} |
290 |
|
291 |
/**
|
292 |
* Sets the field that contains the size of the text. The size is computed
|
293 |
* in meters. To use any other unit, call setUnit(int) with the scale factor from meters
|
294 |
* (for centimeters, call <b>setUnitFactor(0.01))</b>.
|
295 |
* @param heightFieldName
|
296 |
*/
|
297 |
public void setHeightField(String heightFieldName) { |
298 |
if (heightFieldName != null) { |
299 |
try {
|
300 |
idHeightField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getFieldIndex(heightFieldName);
|
301 |
} catch (ReadException e) {
|
302 |
Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
303 |
} |
304 |
} else idHeightField = -1; |
305 |
} |
306 |
|
307 |
|
308 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, PrintRequestAttributeSet properties) throws ReadException { |
309 |
isPrinting = true;
|
310 |
PrintQuality resolution=(PrintQuality)properties.get(PrintQuality.class); |
311 |
if (resolution.equals(PrintQuality.NORMAL)){ |
312 |
printDPI=300;
|
313 |
} else if (resolution.equals(PrintQuality.HIGH)) { |
314 |
printDPI=600;
|
315 |
} else if (resolution.equals(PrintQuality.DRAFT)) { |
316 |
printDPI=72;
|
317 |
} |
318 |
draw(null, g, viewPort, cancel, printDPI);
|
319 |
isPrinting = false;
|
320 |
} |
321 |
|
322 |
public void setUsesFixedSize(boolean b) { |
323 |
useFixedSize = b; |
324 |
} |
325 |
|
326 |
public boolean usesFixedSize() { |
327 |
return useFixedSize;
|
328 |
} |
329 |
|
330 |
public double getFixedSize() { |
331 |
return fixedSize;
|
332 |
} |
333 |
|
334 |
public void setFixedSize(double fixedSize) { |
335 |
this.fixedSize = fixedSize;
|
336 |
} |
337 |
|
338 |
public void setUnit(int unitIndex) { |
339 |
unit = unitIndex; |
340 |
|
341 |
} |
342 |
|
343 |
public int getUnit() { |
344 |
return unit;
|
345 |
} |
346 |
|
347 |
public String[] getUsedFields() { |
348 |
Vector v = new Vector(); |
349 |
try {
|
350 |
if (getHeightField()!=null) v.add(getHeightField()); |
351 |
if (getRotationField()!=null) v.add(getRotationField()); |
352 |
if (getTextField()!=null) v.add(getTextField()); |
353 |
if (getHeightField()!=null) v.add(getHeightField()); |
354 |
} catch (ReadException e) {
|
355 |
Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
356 |
} |
357 |
return (String[]) v.toArray(new String[v.size()]); |
358 |
} |
359 |
|
360 |
public int getReferenceSystem() { |
361 |
return referenceSystem;
|
362 |
} |
363 |
|
364 |
public void setReferenceSystem(int referenceSystem) { |
365 |
this.referenceSystem = referenceSystem;
|
366 |
} |
367 |
|
368 |
public double toCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
369 |
// not required here
|
370 |
throw new Error("Undefined in this context"); |
371 |
} |
372 |
|
373 |
public void setCartographicSize(double cartographicSize, Geometry geom) { |
374 |
// not required here
|
375 |
throw new Error("Undefined in this context"); |
376 |
} |
377 |
|
378 |
public double getCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
379 |
// not required here
|
380 |
throw new Error("Undefined in this context"); |
381 |
|
382 |
} |
383 |
|
384 |
public void setLayer(FLayer layer) { |
385 |
this.layer = (FLyrVect) layer;
|
386 |
} |
387 |
|
388 |
public boolean shouldDrawLabels(double scale) { |
389 |
return layer.isWithinScale(scale);
|
390 |
} |
391 |
} |