Mercurial > dive4elements > river

comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/ElevationWindow.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-client/src/main/java/org/dive4elements/river/client/client/ui/map/ElevationWindow.java@821a02bbfb4e
children 172338b1407f
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.client.client.ui.map;
2
3 import com.google.gwt.core.client.GWT;
4 import com.google.gwt.i18n.client.NumberFormat;
5
6 import com.smartgwt.client.types.Alignment;
7 import com.smartgwt.client.types.SelectionStyle;
8 import com.smartgwt.client.types.SortArrow;
9 import com.smartgwt.client.types.SortDirection;
10 import com.smartgwt.client.util.SC;
11 import com.smartgwt.client.widgets.Label;
12 import com.smartgwt.client.widgets.IButton;
13 import com.smartgwt.client.widgets.Window;
14 import com.smartgwt.client.widgets.events.ClickEvent;
15 import com.smartgwt.client.widgets.events.ClickHandler;
16 import com.smartgwt.client.widgets.events.CloseClickEvent;
17 import com.smartgwt.client.widgets.events.CloseClickHandler;
18 import com.smartgwt.client.widgets.layout.HLayout;
19 import com.smartgwt.client.widgets.layout.VLayout;
20 import com.smartgwt.client.widgets.grid.ListGrid;
21 import com.smartgwt.client.widgets.grid.ListGridField;
22 import com.smartgwt.client.widgets.grid.ListGridRecord;
23 import com.smartgwt.client.widgets.grid.events.EditCompleteEvent;
24 import com.smartgwt.client.widgets.grid.events.EditCompleteHandler;
25 import com.smartgwt.client.widgets.grid.events.RowOutEvent;
26 import com.smartgwt.client.widgets.grid.events.RowOutHandler;
27 import com.smartgwt.client.widgets.grid.events.RowOverEvent;
28 import com.smartgwt.client.widgets.grid.events.RowOverHandler;
29
30 import org.gwtopenmaps.openlayers.client.Style;
31 import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
32 import org.gwtopenmaps.openlayers.client.geometry.Geometry;
33 import org.gwtopenmaps.openlayers.client.geometry.LinearRing;
34 import org.gwtopenmaps.openlayers.client.geometry.LineString;
35 import org.gwtopenmaps.openlayers.client.geometry.Point;
36 import org.gwtopenmaps.openlayers.client.geometry.Polygon;
37 import org.gwtopenmaps.openlayers.client.layer.Vector;
38 import org.gwtopenmaps.openlayers.client.layer.VectorOptions;
39 import org.gwtopenmaps.openlayers.client.util.Attributes;
40
41 import org.dive4elements.river.client.client.FLYSConstants;
42
43
44
45 public class ElevationWindow extends Window {
46
47 public static FLYSConstants MSG = GWT.create(FLYSConstants.class);
48
49 public static final int WINDOW_WIDTH = 250;
50 public static final int WINDOW_HEIGHT = 250;
51
52 protected FloodMap floodmap;
53 protected Vector layer;
54 protected VectorFeature feature;
55
56 protected ListGrid grid;
57
58
59 private class PointRecord extends ListGridRecord {
60 protected VectorFeature point;
61
62 public PointRecord(VectorFeature point, double x, double y, String z) {
63 super();
64
65 this.point = point;
66 setAttribute("x", x);
67 setAttribute("y", y);
68 setAttribute("z", z);
69 }
70
71 public VectorFeature getPoint() {
72 return point;
73 }
74 }
75
76
77 public ElevationWindow(FloodMap floodmap, VectorFeature feature) {
78 super();
79 this.feature = feature;
80 this.floodmap = floodmap;
81
82 init();
83 }
84
85
86 protected void init() {
87 addCloseClickHandler(new CloseClickHandler() {
88 public void onCloseClick(CloseClickEvent evt) {
89 doClose();
90 }
91 });
92
93 initLayout();
94 initEdit();
95 updateGrid();
96 }
97
98
99 protected void initLayout() {
100 setWidth(WINDOW_WIDTH);
101 setHeight(WINDOW_HEIGHT);
102 setTitle(MSG.ele_window_title());
103
104 VLayout root = new VLayout();
105 root.setMembersMargin(5);
106 root.setPadding(5);
107
108 root.addMember(getLabel());
109 root.addMember(getGrid());
110 root.addMember(getButtonBar());
111
112 addItem(root);
113 centerInPage();
114 }
115
116
117 protected void initEdit() {
118 VectorOptions opts = new VectorOptions();
119 opts.setProjection(floodmap.getRiverProjection());
120 opts.setMaxExtent(floodmap.getMaxExtent());
121
122 layer = new Vector("tmp", opts);
123 layer.setIsBaseLayer(false);
124
125 floodmap.getMap().addLayer(layer);
126 }
127
128
129 public Style getStyle() {
130 Style style = new Style();
131 style.setStrokeColor("#000000");
132 style.setStrokeWidth(1);
133 style.setFillColor("#FF0000");
134 style.setFillOpacity(0.5);
135 style.setPointRadius(5);
136 style.setStrokeOpacity(1.0);
137 return style;
138 }
139
140
141 public Style getHighStyle() {
142 Style style = new Style();
143 style.setStrokeColor("#000000");
144 style.setStrokeWidth(1);
145 style.setFillColor("#FFFF22");
146 style.setFillOpacity(0.5);
147 style.setPointRadius(5);
148 style.setStrokeOpacity(1.0);
149 return style;
150 }
151
152
153 protected Label getLabel() {
154 Label label = new Label(MSG.ele_window_label());
155 label.setHeight(25);
156
157 return label;
158 }
159
160
161 protected ListGrid getGrid() {
162 if (grid == null) {
163 grid = new ListGrid();
164 grid.setCanEdit(true);
165 grid.setCanReorderFields(false);
166 grid.setAutoFitMaxWidth(WINDOW_WIDTH);
167 grid.setShowHeaderContextMenu(false);
168 grid.setShowSortArrow(SortArrow.NONE);
169 grid.setSortDirection(SortDirection.DESCENDING);
170 grid.setSelectionType(SelectionStyle.NONE);
171
172 ListGridField x = new ListGridField("x", MSG.ele_window_x_col());
173 x.setCanEdit(false);
174
175 ListGridField y = new ListGridField("y", MSG.ele_window_y_col());
176 y.setCanEdit(false);
177
178 ListGridField z = new ListGridField("z", MSG.ele_window_z_col());
179 z.setCanEdit(true);
180
181 grid.setFields(x, y, z);
182
183 grid.addRowOverHandler(new RowOverHandler() {
184 public void onRowOver(RowOverEvent evt) {
185 PointRecord pr = (PointRecord) evt.getRecord();
186 VectorFeature p = pr.getPoint();
187
188 p.setStyle(getHighStyle());
189 layer.redraw();
190 }
191 });
192
193 grid.addRowOutHandler(new RowOutHandler() {
194 public void onRowOut(RowOutEvent evt) {
195 PointRecord pr = (PointRecord) evt.getRecord();
196 VectorFeature p = pr.getPoint();
197
198 p.setStyle(getStyle());
199 layer.redraw();
200 }
201 });
202
203 grid.addEditCompleteHandler(new EditCompleteHandler() {
204 public void onEditComplete(EditCompleteEvent evt) {
205 NumberFormat nf = NumberFormat.getDecimalFormat();
206 String z = (String) evt.getNewValues().get("z");
207
208 try {
209 nf.parse(z);
210 }
211 catch (NumberFormatException nfe) {
212 SC.warn(MSG.ele_window_format_error() + " " + z);
213
214 PointRecord old = (PointRecord) evt.getOldRecord();
215
216 ListGridRecord[] records = grid.getRecords();
217 records[evt.getRowNum()] = old;
218
219 grid.setRecords(records);
220 }
221
222 }
223 });
224 }
225
226 return grid;
227 }
228
229
230 protected HLayout getButtonBar() {
231 HLayout bar = new HLayout();
232 bar.setAlign(Alignment.CENTER);
233 bar.setHeight(25);
234 bar.setMembersMargin(15);
235
236 bar.addMember(getOKButton());
237 bar.addMember(getCancelButton());
238
239 return bar;
240 }
241
242
243 protected IButton getOKButton() {
244 IButton btn = new IButton(MSG.ele_window_ok_button());
245
246 btn.addClickHandler(new ClickHandler() {
247 public void onClick(ClickEvent evt) {
248 if (saveElevation()) {
249 doClose();
250 }
251
252 }
253 });
254
255 return btn;
256 }
257
258
259 protected IButton getCancelButton() {
260 IButton btn = new IButton(MSG.ele_window_cancel_button());
261
262 btn.addClickHandler(new ClickHandler() {
263 public void onClick(ClickEvent evt) {
264 doClose();
265 }
266 });
267
268 return btn;
269 }
270
271
272 public void updateGrid() {
273 Attributes attr = feature.getAttributes();
274 Geometry geom = feature.getGeometry();
275
276 String barrierType = null;
277
278 if (attr != null) {
279 barrierType = attr.getAttributeAsString("typ");
280 }
281 else {
282 barrierType = DrawControl.BARRIER_DAM_VALUE;
283 }
284
285 GWT.log("Geometry is from type: " + geom.getClassName());
286 GWT.log("Barrier is from type: " + barrierType);
287
288 double[][] points = getPointsFromGeometry(geom);
289 double[] ele = extractElevations(attr);
290
291 if (points == null) {
292 return;
293 }
294
295 NumberFormat nf = NumberFormat.getDecimalFormat();
296
297 ListGrid grid = getGrid();
298
299 int zLen = ele != null ? ele.length : 0;
300
301 for (int i = 0, len = points.length; i < len; i++) {
302 double[] point = points[i];
303 VectorFeature p = addPoint(point[0], point[1]);
304
305 String value = null;
306
307 if (zLen > i) {
308 value = nf.format(ele[i]);
309 }
310 else if (barrierType.equals(DrawControl.BARRIER_DITCH_VALUE)) {
311 value = "-9999";
312 }
313 else {
314 value = "9999";
315 }
316
317 grid.addData(new PointRecord(p, point[0], point[1], value));
318 }
319
320 grid.redraw();
321 }
322
323
324 public static double[] extractElevations(Attributes attr) {
325 if (attr == null) {
326 return null;
327 }
328
329 String elevationStr = attr.getAttributeAsString("elevation");
330
331 if (elevationStr == null || elevationStr.length() == 0) {
332 return null;
333 }
334
335 String[] elevations = elevationStr.split(" ");
336
337 int len = elevations != null ? elevations.length : 0;
338
339 if (len == 0) {
340 return null;
341 }
342
343 double[] res = new double[len];
344
345 for (int i = 0; i < len; i++) {
346 try {
347 res[i] = Double.valueOf(elevations[i]);
348 }
349 catch (NumberFormatException nfe) {
350 // go on
351 }
352 }
353
354 return res;
355 }
356
357
358 public static double[][] getPointsFromGeometry(Geometry geom) {
359 String clazz = geom.getClassName();
360
361 if (clazz != null && clazz.equals(Geometry.LINESTRING_CLASS_NAME)) {
362 return getPointsFromLineString(
363 LineString.narrowToLineString(geom.getJSObject()));
364 }
365 else if (clazz != null && clazz.equals(Geometry.POLYGON_CLASS_NAME)) {
366 return getPointsFromPolygon(
367 Polygon.narrowToPolygon(geom.getJSObject()));
368 }
369 else {
370 SC.warn(MSG.ele_window_geometry_error() + " " + clazz);
371 }
372
373 return null;
374 }
375
376
377 public static double[][] getPointsFromLineString(LineString line) {
378 return line.getCoordinateArray();
379 }
380
381
382 public static double[][] getPointsFromPolygon(Polygon polygon) {
383 LinearRing[] rings = polygon.getComponents();
384
385 return getPointsFromLineString(rings[0]);
386 }
387
388
389 protected VectorFeature addPoint(double x, double y) {
390 VectorFeature point = new VectorFeature(new Point(x, y), getStyle());
391 layer.addFeature(point);
392
393 return point;
394 }
395
396
397 protected boolean saveElevation() {
398 ListGridRecord[] records = grid.getRecords();
399
400 NumberFormat nf = NumberFormat.getDecimalFormat();
401
402 StringBuilder sb = new StringBuilder();
403
404 for (ListGridRecord record: records) {
405 PointRecord pr = (PointRecord) record;
406 String value = pr.getAttributeAsString("z");
407
408 try {
409 double z = nf.parse(value);
410 sb.append(String.valueOf(z));
411 }
412 catch (NumberFormatException nfe) {
413 SC.warn(MSG.ele_window_save_error());
414 return false;
415 }
416
417 sb.append(" ");
418 }
419
420 Attributes attr = feature.getAttributes();
421 attr.setAttribute("elevation", sb.toString());
422
423 return true;
424 }
425
426
427 protected void doClose() {
428 floodmap.getMap().removeLayer(layer);
429 destroy();
430 }
431 }
432 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org