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comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/chart/ManualWSPEditor.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/chart/ManualWSPEditor.java@821a02bbfb4e
children 172338b1407f
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.client.client.ui.chart;
2
3 import com.google.gwt.core.client.GWT;
4 import com.google.gwt.i18n.client.NumberFormat;
5 import com.google.gwt.json.client.JSONArray;
6 import com.google.gwt.json.client.JSONNumber;
7 import com.google.gwt.json.client.JSONParser;
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.Label;
15 import com.smartgwt.client.widgets.Window;
16 import com.smartgwt.client.widgets.events.ClickEvent;
17 import com.smartgwt.client.widgets.events.ClickHandler;
18 import com.smartgwt.client.widgets.form.DynamicForm;
19 import com.smartgwt.client.widgets.form.fields.TextItem;
20 import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
21 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
22 import com.smartgwt.client.widgets.layout.HLayout;
23 import com.smartgwt.client.widgets.layout.VLayout;
24
25 import org.dive4elements.river.client.client.Config;
26 import org.dive4elements.river.client.client.FLYSConstants;
27 import org.dive4elements.river.client.client.event.RedrawRequestEvent;
28 import org.dive4elements.river.client.client.event.RedrawRequestHandler;
29 import org.dive4elements.river.client.client.services.FeedServiceAsync;
30 import org.dive4elements.river.client.client.services.LoadArtifactServiceAsync;
31 import org.dive4elements.river.client.client.utils.DoubleValidator;
32 import org.dive4elements.river.client.shared.model.Artifact;
33 import org.dive4elements.river.client.shared.model.Collection;
34 import org.dive4elements.river.client.shared.model.CollectionItem;
35 import org.dive4elements.river.client.shared.model.Data;
36 import org.dive4elements.river.client.shared.model.DefaultArtifact;
37 import org.dive4elements.river.client.shared.model.DefaultData;
38 import org.dive4elements.river.client.shared.model.Property;
39 import org.dive4elements.river.client.shared.model.PropertyGroup;
40 import org.dive4elements.river.client.shared.model.Recommendation;
41 import org.dive4elements.river.client.shared.model.Settings;
42 import org.dive4elements.river.client.shared.model.StringProperty;
43
44 import java.util.List;
45 import java.util.Map;
46
47 /**
48 * UI to enter point data and save it to an PointArtifact.
49 */
50 public class ManualWSPEditor
51 extends Window
52 implements ClickHandler
53 {
54 /** The interface that provides i18n messages. */
55 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
56
57 /** Name of the main data item to be fed. */
58 public static final String LINE_DATA = "manualpoints.lines";
59
60 /** When we change something, we need a RedrawRequest(Handler). */
61 protected RedrawRequestHandler redrawRequestHandler;
62
63 /** The collection */
64 protected Collection collection;
65
66 /** Service handle to clone and add artifacts to collection. */
67 LoadArtifactServiceAsync loadArtifactService = GWT.create(
68 org.dive4elements.river.client.client.services.LoadArtifactService.class);
69
70 /** Service to feed the artifact with new point-data. */
71 FeedServiceAsync feedService = GWT.create(
72 org.dive4elements.river.client.client.services.FeedService.class);
73
74 /** UUID of artifact to feed. */
75 protected String uuid;
76
77 /** Name of the outputmode, important when feeding data. */
78 protected String outputModeName;
79
80 /** Name of the data item for lines in this context. */
81 protected String dataItemName;
82
83 /** Input Field for y-coor of line. */
84 protected TextItem valueInputPanel;
85
86 /** Input Field for name of line. */
87 protected TextItem nameInputPanel;
88
89 /** Line data that is not added in this session. */
90 protected JSONArray oldLines = null;
91
92
93 /**
94 * Setup editor dialog.
95 * @param collection The collection to use.
96 */
97 public ManualWSPEditor(Collection collection,
98 RedrawRequestHandler handler, String outputModeName
99 ) {
100 this.collection = collection;
101 this.redrawRequestHandler = handler;
102 this.outputModeName = outputModeName;
103 this.dataItemName = outputModeName + "." + LINE_DATA;
104 init();
105 }
106
107
108 /** Searches collection for first artifact to serve (manual) line data. */
109 public String findManualPointsUUID() {
110 int size = collection.getItemLength();
111
112 for (int i = 0; i < size; i++) {
113 CollectionItem item = collection.getItem(i);
114 String dataValue = item.getData().get(dataItemName);
115 if (dataValue != null) {
116 // Found it.
117 uuid = item.identifier();
118 return uuid;
119 }
120 }
121
122 return null;
123 }
124
125
126 /**
127 * Initialize the editor window and its components.
128 */
129 protected void init() {
130 setTitle(MSG.addWSP());
131 setCanDragReposition(true);
132 setCanDragResize(true);
133
134 if(findManualPointsUUID() == null) {
135 addArtifactCreateUI();
136 }
137 else {
138 createUI();
139 }
140 }
141
142
143 /** Create and setup/add the ui. */
144 public void createUI() {
145 Button accept = new Button(MSG.label_ok());
146 Button cancel = new Button(MSG.label_cancel());
147 cancel.addClickHandler(this);
148
149 accept.addClickHandler(new ClickHandler() {
150 @Override
151 public void onClick(ClickEvent e) {
152 okClicked();
153 }
154 });
155
156 HLayout buttons = new HLayout();
157 buttons.addMember(accept);
158 buttons.addMember(cancel);
159 buttons.setAlign(Alignment.CENTER);
160 buttons.setHeight(30);
161
162 // Use X and Y as default fallback.
163 String yAxis = "Y";
164
165 // Get header text from collection settings.
166 Settings settings = this.collection.getSettings(outputModeName);
167 List<Property> axes = settings.getSettings("axes");
168 if(axes != null) {
169 for (Property p: axes) {
170 PropertyGroup pg = (PropertyGroup)p;
171 StringProperty id =
172 (StringProperty)pg.getPropertyByName("id");
173 if (id.getValue().equals("W")) {
174 StringProperty name =
175 (StringProperty)pg.getPropertyByName("label");
176 yAxis = name.getValue();
177 }
178 }
179 }
180
181 DynamicForm form = new DynamicForm();
182 valueInputPanel = new TextItem();
183 valueInputPanel.setTitle(yAxis);
184 valueInputPanel.setShowTitle(true);
185 valueInputPanel.addBlurHandler(new BlurHandler() {
186 @Override
187 public void onBlur(BlurEvent e) {
188 DoubleValidator validator = new DoubleValidator();
189 Map errors = e.getForm().getErrors();
190 validator.validate(e.getItem(), errors);
191 e.getForm().setErrors(errors, true);
192 }
193 });
194 nameInputPanel = new TextItem();
195 nameInputPanel.setTitle(MSG.pointname());
196 nameInputPanel.setShowTitle(true);
197 form.setFields(valueInputPanel, nameInputPanel);
198
199 VLayout layout = new VLayout();
200 layout.addMember(form);
201
202 // Find the artifacts uuid.
203 // TODO this has been called already, why call it again?
204 findManualPointsUUID();
205 CollectionItem item = collection.getItem(uuid);
206
207 // Store the old line data.
208 if (item != null) {
209 String jsonData = item.getData().get(dataItemName);
210 oldLines = (JSONArray) JSONParser.parse(jsonData);
211 }
212 else {
213 GWT.log("No old lines found for " + uuid);
214 }
215
216 addItem(layout);
217
218 addItem(buttons);
219 setWidth(360);
220 setHeight(120);
221 centerInPage();
222 }
223
224
225 /**
226 * Create JSON representation of the points present in the form.
227 * Add old data, too.
228 * @return a jsonarray with the old and the new lines.
229 */
230 protected JSONArray jsonArrayFromForm() {
231 if (oldLines == null) {
232 oldLines = new JSONArray();
233 }
234
235 double val;
236 if (valueInputPanel.getValue() == null)
237 return oldLines;
238 try {
239 NumberFormat nf = NumberFormat.getDecimalFormat();
240 double d = nf.parse(valueInputPanel.getValue().toString());
241 val = d;
242 }
243 catch(NumberFormatException nfe) {
244 GWT.log("fehler... nfe... TODO");
245 return oldLines;
246 }
247
248 JSONArray data = new JSONArray();
249 data.set(0, new JSONNumber(val));
250 if (nameInputPanel.getValue() == null) {
251 data.set(1, new JSONString(valueInputPanel.getValue().toString()));
252 }
253 else {
254 data.set(1, new JSONString(nameInputPanel.getValue().toString()));
255 }
256 oldLines.set(oldLines.size(), data);
257
258 return oldLines;
259 }
260
261
262 /**
263 * Called when OK Button was clicked. Then, if entered values are valid,
264 * fire a RedrawRequest and destroy.
265 */
266 protected void okClicked() {
267 if (valueInputPanel.getValue() == null) {
268 return;
269 }
270 GWT.log(valueInputPanel.getValue().toString());
271 if(isDialogValid()) {
272 // Feed JSON-encoded content of form.
273 JSONArray list = jsonArrayFromForm();
274
275 Data[] feedData = new Data[] {
276 DefaultData.createSimpleStringData(dataItemName,
277 list.toString())
278 };
279
280 feedService.feed(
281 Config.getInstance().getLocale(),
282 new DefaultArtifact(uuid, "TODO:hash"),
283 feedData,
284 new AsyncCallback<Artifact>() {
285 @Override
286 public void onFailure(Throwable caught) {
287 GWT.log("Could not feed artifact with lines.");
288 SC.warn(MSG.getString(caught.getMessage()));
289 enable();
290 }
291 @Override
292 public void onSuccess(Artifact fartifact) {
293 GWT.log("Successfully set lines ");
294 redrawRequestHandler.onRedrawRequest(
295 new RedrawRequestEvent());
296 destroy();
297 }
298 });
299 }
300 else {
301 GWT.log("Dialog not valid");
302 SC.warn(MSG.error_dialog_not_valid());
303 }
304 }
305
306
307 /** Add a ManualPointArtifact to Collection. */
308 public void addArtifactCreateUI() {
309 final Label standByLabel = new Label(MSG.standby());
310 addItem(standByLabel);
311
312 setWidth(360);
313 setHeight(120);
314 centerInPage();
315
316 Config config = Config.getInstance();
317 String locale = config.getLocale();
318
319 loadArtifactService.load(
320 this.collection,
321 new Recommendation("manualpoints", ""),
322 "manualpoints",
323 locale,
324 new AsyncCallback<Artifact>() {
325 @Override
326 public void onFailure(Throwable caught) {
327 GWT.log("Creating manualpoint artifact failed!");
328 }
329 @Override
330 public void onSuccess(Artifact artifact) {
331 GWT.log("Successfully created artifact.");
332 removeItem(standByLabel);
333 uuid = artifact.getUuid();
334 createUI();
335 }
336 });
337 }
338
339
340 /**
341 * This method is called when the user aborts point editing.
342 * @param event The event.
343 */
344 @Override
345 public void onClick(ClickEvent event) {
346 this.destroy();
347 }
348
349
350 /** Return false if x or y attribute is missing. */
351 protected boolean isDialogValid() {
352 return (DoubleValidator.isDouble(valueInputPanel.getValue()));
353 }
354 }
355 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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