Mercurial > dive4elements > river

comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/fixation/FixationPanel.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/fixation/FixationPanel.java@821a02bbfb4e
children 172338b1407f
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.client.client.ui.fixation;
2
3 import com.google.gwt.core.client.GWT;
4 import com.google.gwt.i18n.client.DateTimeFormat;
5 import com.google.gwt.i18n.client.NumberFormat;
6 import com.google.gwt.json.client.JSONNumber;
7 import com.google.gwt.json.client.JSONObject;
8 import com.google.gwt.json.client.JSONString;
9 import com.google.gwt.user.client.rpc.AsyncCallback;
10
11 import com.smartgwt.client.types.Alignment;
12 import com.smartgwt.client.util.SC;
13 import com.smartgwt.client.widgets.Button;
14 import com.smartgwt.client.widgets.Canvas;
15 import com.smartgwt.client.widgets.HTMLPane;
16 import com.smartgwt.client.widgets.Img;
17 import com.smartgwt.client.widgets.events.ClickEvent;
18 import com.smartgwt.client.widgets.events.ClickHandler;
19 import com.smartgwt.client.widgets.events.ResizedEvent;
20 import com.smartgwt.client.widgets.events.ResizedHandler;
21 import com.smartgwt.client.widgets.form.DynamicForm;
22 import com.smartgwt.client.widgets.form.fields.TextItem;
23 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
24 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
25 import com.smartgwt.client.widgets.layout.HLayout;
26 import com.smartgwt.client.widgets.layout.VLayout;
27 import com.smartgwt.client.widgets.tab.Tab;
28 import com.smartgwt.client.widgets.tab.TabSet;
29
30 import org.dive4elements.river.client.client.Config;
31 import org.dive4elements.river.client.client.FLYSConstants;
32 import org.dive4elements.river.client.client.services.FixingsOverviewService;
33 import org.dive4elements.river.client.client.services.FixingsOverviewServiceAsync;
34 import org.dive4elements.river.client.client.ui.AbstractUIProvider;
35 import org.dive4elements.river.client.shared.model.Data;
36 import org.dive4elements.river.client.shared.model.DataList;
37 import org.dive4elements.river.client.shared.model.FixAnalysisArtifact;
38 import org.dive4elements.river.client.shared.model.FixFilter;
39 import org.dive4elements.river.client.shared.model.FixingsOverviewInfo;
40
41 import java.util.Date;
42 import java.util.HashMap;
43
44
45 /**
46 * This UIProvider creates helper panel for fixation analysis without input
47 * elements.
48 *
49 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
50 */
51 public abstract class FixationPanel
52 extends AbstractUIProvider
53 implements ResizedHandler
54 {
55 private static final long serialVersionUID = -3667553404493415619L;
56
57 protected static HashMap<String, FixationPanel> instances = new HashMap<String, FixationPanel>();
58
59 /** The message class that provides i18n strings. */
60 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
61
62 protected FixingsOverviewServiceAsync overviewService =
63 GWT.create(FixingsOverviewService.class);
64
65 protected String htmlOverview;
66 protected FixingsOverviewInfo fixInfo;
67 protected TabSet tabs;
68 protected Tab events;
69 protected Tab chart;
70 protected VLayout chartContainer;
71 protected Img chartImg;
72 protected TextItem kmText;
73
74 public static final DateTimeFormat DTF = DateTimeFormat.getFormat("dd.MM.yyyy");
75
76
77 public FixationPanel() {
78 chartImg = new Img();
79 htmlOverview = "";
80 }
81
82
83 /** Get the (master) artifact UUID. */
84 protected String getArtifactUuid() {
85 return this.artifact.getUuid();
86 }
87
88 protected void init() {
89 }
90
91 @Override
92 public Data[] getData() {
93 return null;
94 }
95
96 @Override
97 public Canvas create(DataList list) {
98 VLayout layout = new VLayout();
99
100 Canvas helper = createHelper();
101 this.helperContainer.addMember(helper);
102
103 Canvas submit = getNextButton();
104 Canvas widget = createWidget(list);
105
106 layout.addMember(widget);
107 layout.addMember(submit);
108 return layout;
109 }
110
111 @Override
112 public Canvas createOld(DataList list) {
113 return new DynamicForm();
114 }
115
116 protected Canvas createHelper() {
117 Config config = Config.getInstance();
118 String locale = config.getLocale ();
119
120 tabs = new TabSet();
121 events = new Tab(MESSAGES.events());
122 chart = new Tab(MESSAGES.kmchart());
123
124 chartContainer = new VLayout();
125 Canvas scroll = createChartHelper();
126
127 VLayout layout = new VLayout();
128 layout.addResizedHandler(this);
129 layout.addMember(chartContainer);
130 layout.addMember(scroll);
131 layout.setAlign(Alignment.CENTER);
132 chart.setPane(layout);
133
134 final HTMLPane eventPane = new HTMLPane();
135
136 String river = artifact.getArtifactDescription().getRiver();
137 createCallback();
138
139 String callBack = "fixationCallback(this.checked, this.name)";
140
141 if (this.artifact instanceof FixAnalysisArtifact == false)
142 return chartContainer;
143
144 FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
145
146 overviewService.generateOverview(
147 locale,
148 artifact.getUuid(),
149 getOverviewFilter(art.getFilter()),
150 renderCheckboxes(),
151 callBack,
152 new AsyncCallback<FixingsOverviewInfo>() {
153 @Override
154 public void onFailure(Throwable caught) {
155 GWT.log("Could not receive overview.");
156 SC.warn(caught.getMessage());
157 }
158 @Override
159 public void onSuccess(FixingsOverviewInfo info) {
160 GWT.log("Successfully loaded overview.");
161 fixInfo = info;
162 htmlOverview = info.getHTML();
163 FixAnalysisArtifact art = (FixAnalysisArtifact)artifact;
164 FixFilter filter = art.getFilter();
165 filter.setRiver(info.getRiver());
166 if (filter.getCurrentKm() == -Double.MAX_VALUE ||
167 filter.getCurrentKm() == -1d) {
168 filter.setCurrentKm(info.getFrom());
169 filter.setToKm(info.getTo());
170 }
171 if (kmText != null) {
172 NumberFormat nf = NumberFormat.getDecimalFormat();
173 try {
174 double d = Double.valueOf(filter.getCurrentKm());
175 kmText.setValue(nf.format(d));
176 } catch (NumberFormatException e) {
177 kmText.setValue(filter.getCurrentKm());
178 }
179 }
180 eventPane.setContents(htmlOverview);
181 updateChartTab(fixInfo.getFrom());
182 events.setPane(eventPane);
183 success();
184 }
185 });
186
187 tabs.addTab(events);
188 tabs.addTab(chart);
189
190 return tabs;
191 }
192
193
194 protected Canvas createChartHelper() {
195 DynamicForm form = new DynamicForm();
196 Button lower = new Button("<<");
197 lower.setWidth(30);
198 Button upper = new Button(">>");
199 upper.setWidth(30);
200 kmText = new TextItem();
201 kmText.setWidth(60);
202 kmText.setShowTitle(false);
203
204
205 form.setFields(kmText);
206 form.setWidth(60);
207 lower.addClickHandler(new ClickHandler() {
208 @Override
209 public void onClick(ClickEvent ce) {
210 FixFilter filter = updateChartTabLow();
211 NumberFormat nf = NumberFormat.getDecimalFormat();
212 try {
213 double d = Double.valueOf(filter.getCurrentKm());
214 kmText.setValue(nf.format(d));
215 } catch (NumberFormatException e) {
216 kmText.setValue(filter.getCurrentKm());
217 }
218 }
219 });
220
221 upper.addClickHandler(new ClickHandler() {
222 @Override
223 public void onClick(ClickEvent ce) {
224 FixFilter filter = updateChartTabUp();
225 NumberFormat nf = NumberFormat.getDecimalFormat();
226 try {
227 double d = Double.valueOf(filter.getCurrentKm());
228 kmText.setValue(nf.format(d));
229 } catch (NumberFormatException e) {
230 kmText.setValue(filter.getCurrentKm());
231 }
232 }
233 });
234
235 kmText.addChangedHandler(new ChangedHandler() {
236 @Override
237 public void onChanged(ChangedEvent ce) {
238 //TODO: get current value.
239 if(ce.getItem().getValue() != null) {
240 NumberFormat nf = NumberFormat.getDecimalFormat();
241 try {
242 double d = nf.parse(ce.getItem().getValue().toString());
243 updateChartTab(d);
244 }
245 catch(NumberFormatException nfe) {
246 // Do nothing.
247 }
248 }
249 }
250 });
251
252 HLayout layout = new HLayout();
253 layout.setAlign(Alignment.CENTER);
254
255 layout.addMember(lower);
256 layout.addMember(form);
257 layout.addMember(upper);
258 return layout;
259 }
260
261 protected void updateChartTab(double km) {
262 Config config = Config.getInstance();
263 String locale = config.getLocale ();
264
265 FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
266
267 if (fixInfo != null) {
268 if (km < fixInfo.getFrom()) km = fixInfo.getFrom();
269 if (km > fixInfo.getTo()) km = fixInfo.getTo();
270 }
271
272 FixFilter filter = art.getFilter();
273
274 if (km < filter.getFromKm()) km = filter.getFromKm();
275 if (km > filter.getToKm()) km = filter.getToKm();
276
277 filter.setCurrentKm(km);
278
279 int hWidth = helperContainer.getWidth() - 12;
280 int hHeight = helperContainer.getHeight() - 62;
281
282 if ((int)(hHeight *4f/3) < hWidth) {
283 hWidth = (int)(hHeight * 4f/3);
284 }
285 else {
286 hHeight = (int)(hWidth *3f/4);
287 }
288
289 String imgUrl = GWT.getModuleBaseURL();
290 imgUrl += "fixings-km-chart";
291 imgUrl += "?locale=" + locale;
292 imgUrl += "&filter=" + getChartFilter(filter, hWidth, hHeight);
293
294 if (chartContainer.hasMember(chartImg)) {
295 chartImg.setWidth(hWidth);
296 chartImg.setHeight(hHeight);
297 chartImg.setSrc(imgUrl);
298 }
299 else {
300 chartImg = new Img(imgUrl, hWidth, hHeight);
301 chartContainer.addMember(chartImg);
302 }
303 }
304
305
306 protected FixFilter updateChartTabLow() {
307 FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
308
309 FixFilter filter = art.getFilter();
310
311 double curr = filter.getCurrentKm();
312 if (curr > filter.getFromKm()) {
313 double newVal = (curr - 0.1) * 10;
314 long round = Math.round(newVal);
315 updateChartTab(((double)round) / 10);
316 }
317 return filter;
318 }
319
320
321 protected FixFilter updateChartTabUp() {
322 FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
323
324 FixFilter filter = art.getFilter();
325
326 double curr = filter.getCurrentKm();
327 if (curr < filter.getToKm()) {
328 double newVal = (curr + 0.1) * 10;
329 long round = Math.round(newVal);
330 updateChartTab(((double)round) / 10);
331 }
332 return filter;
333 }
334
335
336 @Override
337 public void onResized(ResizedEvent re) {
338 FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
339
340 updateChartTab(art.getFilter().getCurrentKm());
341 }
342
343
344 private native void createCallback() /*-{
345 $wnd.fixationCallback = @org.dive4elements.river.client.client.ui.fixation.FixationPanel::helperCallback(ZLjava/lang/String;);
346 }-*/;
347
348 private static void helperCallback(boolean checked, String name) {
349 String[] parts = name.split(":");
350 String uuid = parts[0];
351 String cid = parts[1];
352
353 FixationPanel p = FixationPanel.getInstance(uuid);
354 if (p != null) {
355 p.setValues(cid, checked);
356 }
357 }
358
359 private static FixationPanel getInstance(String uuid) {
360 return instances.get(uuid);
361 }
362
363 public abstract Canvas createWidget(DataList data);
364 public abstract void setValues(String cid, boolean checked);
365 public abstract boolean renderCheckboxes();
366 public abstract void success();
367
368
369 /** Creates JSON string from filter. */
370 public static String getOverviewFilter(FixFilter filter) {
371 String river = filter.getRiver();
372
373 if (river != null && river.length() > 0) {
374 JSONObject jfix = new JSONObject();
375 JSONObject jfilter = new JSONObject();
376 JSONObject jrName = new JSONObject();
377 JSONString jrValue = new JSONString(river);
378 jrName.put("name", jrValue);
379 jfilter.put("river", jrName);
380 jfix.put("fixings", createFilter(filter, jfilter));
381 return jfix.toString();
382 }
383 return "";
384 }
385
386 public String getChartFilter(FixFilter filter, int width, int height) {
387 String river = filter.getRiver();
388 double currentKm = filter.getCurrentKm();
389 double fromKm = filter.getFromKm();
390 double toKm = filter.getToKm();
391
392 if (river != null && river.length() > 0 &&
393 currentKm >= fromKm && currentKm <= toKm)
394 {
395 JSONObject jfix = new JSONObject();
396 JSONObject jfilter = new JSONObject();
397 JSONObject jrName = new JSONObject();
398 JSONString jrValue = new JSONString(river);
399 JSONObject jkm = new JSONObject();
400 JSONNumber jkmValue = new JSONNumber(currentKm);
401 JSONObject jextent = new JSONObject();
402 JSONNumber jwidth = new JSONNumber(width);
403 JSONNumber jheight = new JSONNumber(height);
404
405 jkm.put("value", jkmValue);
406 jrName.put("name", jrValue);
407 jfilter.put("river", jrName);
408 jfilter.put("km", jkm);
409 jextent.put("width", jwidth);
410 jextent.put("height", jheight);
411 jfilter.put("extent", jextent);
412 jfix.put("fixings", createFilter(filter, jfilter));
413 return jfix.toString();
414 }
415 return "";
416 }
417
418 protected static JSONObject createFilter(FixFilter filter, JSONObject root) {
419 double fromKm = filter.getFromKm();
420 double toKm = filter.getToKm();
421 boolean hasDate = filter.getFromDate() > 0 && filter.getToDate() > 0;
422
423 if (fromKm >= 0 && toKm >= 0 && fromKm <= toKm) {
424 JSONObject range = new JSONObject();
425 JSONObject fromtokm = new JSONObject();
426 JSONNumber f = new JSONNumber(fromKm);
427 JSONNumber t = new JSONNumber(toKm);
428 fromtokm.put("from", f);
429 fromtokm.put("to", t);
430 root.put("range", fromtokm);
431 }
432
433 JSONObject and = new JSONObject();
434 if (hasDate) {
435 long fromDate = filter.getFromDate();
436 long toDate = filter.getToDate();
437
438 Date df = new Date(fromDate);
439 Date dt = new Date(toDate);
440
441 JSONObject daterange = new JSONObject();
442 JSONString f = new JSONString(DTF.format(df));
443 JSONString t = new JSONString(DTF.format(dt));
444
445 daterange.put("from", f);
446 daterange.put("to", t);
447 and.put("date-range", daterange);
448 }
449
450 int fromClass = filter.getFromClass();
451 int toClass = filter.getToClass();
452
453 if (fromClass >= 0 && toClass >= 0 && fromClass <= toClass) {
454 JSONObject classrange = new JSONObject();
455 JSONNumber f = new JSONNumber(fromClass);
456 JSONNumber t = new JSONNumber(toClass);
457
458 classrange.put("from", f);
459 classrange.put("to", t);
460 and.put("sector-range", classrange);
461 }
462
463 int[] events = filter.getEvents();
464
465 if (events.length > 0) {
466 StringBuilder cids = new StringBuilder();
467
468 for (int i = 0; i < events.length; i++) {
469 if (i > 0) cids.append(' ');
470 cids.append(events[i]);
471 }
472 JSONObject columns = new JSONObject();
473 columns.put("cids", new JSONString(cids.toString()));
474 and.put("columns", columns);
475 }
476 if (and.size() > 0) {
477 JSONObject jFilter = new JSONObject();
478 jFilter.put("and", and);
479 root.put("filter", jFilter);
480 }
481 return root;
482 }
483 }
484 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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