Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/AbstractUIProvider.java @ 562:9f16ac843dda
Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
flys-client/trunk@2097 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 09 Jun 2011 14:06:10 +0000 |
| parents | 4a684d29404f |
| children | dfbc6693247e |
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| 561:460b8e0f0563 | 562:9f16ac843dda |
|---|---|
| 3 import java.util.ArrayList; | 3 import java.util.ArrayList; |
| 4 import java.util.List; | 4 import java.util.List; |
| 5 | 5 |
| 6 import com.google.gwt.core.client.GWT; | 6 import com.google.gwt.core.client.GWT; |
| 7 | 7 |
| 8 import com.smartgwt.client.util.SC; | |
| 8 import com.smartgwt.client.widgets.Canvas; | 9 import com.smartgwt.client.widgets.Canvas; |
| 9 import com.smartgwt.client.widgets.Img; | 10 import com.smartgwt.client.widgets.Img; |
| 10 import com.smartgwt.client.widgets.events.ClickEvent; | 11 import com.smartgwt.client.widgets.events.ClickEvent; |
| 11 import com.smartgwt.client.widgets.events.ClickHandler; | 12 import com.smartgwt.client.widgets.events.ClickHandler; |
| 12 import com.smartgwt.client.widgets.Button; | 13 import com.smartgwt.client.widgets.Button; |
| 114 * fireStepForwardEvent() method is called here. | 115 * fireStepForwardEvent() method is called here. |
| 115 * | 116 * |
| 116 * @param e The click event. | 117 * @param e The click event. |
| 117 */ | 118 */ |
| 118 public void onClick(ClickEvent e) { | 119 public void onClick(ClickEvent e) { |
| 119 Data[] data = getData(); | 120 List<String> errors = validate(); |
| 120 | 121 if (errors == null || errors.isEmpty()) { |
| 121 fireStepForwardEvent(new StepForwardEvent(data)); | 122 Data[] data = getData(); |
| 123 fireStepForwardEvent(new StepForwardEvent(data)); | |
| 124 } | |
| 125 else { | |
| 126 StringBuilder sb = new StringBuilder(); | |
| 127 | |
| 128 for (String error: errors) { | |
| 129 sb.append(error); | |
| 130 sb.append("<br>"); | |
| 131 } | |
| 132 | |
| 133 SC.warn(sb.toString()); | |
| 134 } | |
| 122 } | 135 } |
| 123 | 136 |
| 124 | 137 |
| 125 /** | 138 /** |
| 126 * Creates the 'next' button to step forward to the next state. | 139 * Creates the 'next' button to step forward to the next state. |
| 214 | 227 |
| 215 return null; | 228 return null; |
| 216 } | 229 } |
| 217 | 230 |
| 218 | 231 |
| 232 public List<String> validate() { | |
| 233 return new ArrayList<String>(); | |
| 234 } | |
| 235 | |
| 236 | |
| 219 /** | 237 /** |
| 220 * This method needs to be implemented by concrete subclasses. It should | 238 * This method needs to be implemented by concrete subclasses. It should |
| 221 * create a new Canvas object with a representation of <i>data</i>. | 239 * create a new Canvas object with a representation of <i>data</i>. |
| 222 * | 240 * |
| 223 * @param data The data that should be displayed. | 241 * @param data The data that should be displayed. |