Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/RangeTableFilter.java @ 4573:b87073a05f9d
flys-client: Patch to render combobox options as clickable links.
The way of passing data arguments to the links and further to
the Artifact feeding service is somewhat hacked and should be
refactored (later...).
author | Christian Lins <christian.lins@intevation.de> |
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date | Tue, 27 Nov 2012 12:50:10 +0100 |
parents | 03de5c424f95 |
children |
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package de.intevation.flys.client.client.ui; import com.google.gwt.core.client.GWT; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.events.ChangedEvent; import com.smartgwt.client.widgets.form.fields.events.ChangedHandler; import com.smartgwt.client.widgets.form.fields.events.KeyUpEvent; import com.smartgwt.client.widgets.form.fields.events.KeyUpHandler; import com.smartgwt.client.widgets.layout.HLayout; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.event.FilterHandler; import de.intevation.flys.client.client.event.RangeFilterEvent; import de.intevation.flys.client.client.utils.DoubleValidator; import java.util.ArrayList; import java.util.List; import java.util.Map; /** * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class RangeTableFilter extends HLayout implements ChangedHandler, KeyUpHandler { /** The message class that provides i18n strings. */ protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class); protected List<FilterHandler> handlers; protected TextItem fromField; protected TextItem toField; protected DynamicForm filterForm; public RangeTableFilter() { super(); fromField = new TextItem(); fromField.setTitle(MESSAGES.from()); fromField.setWidth(60); toField = new TextItem(); toField.setTitle(MESSAGES.to()); toField.setWidth(60); handlers = new ArrayList<FilterHandler>(); fromField.addChangedHandler(this); fromField.addKeyUpHandler(this); toField.addChangedHandler(this); toField.addKeyUpHandler(this); filterForm = new DynamicForm(); filterForm.setNumCols(4); filterForm.setFields(fromField, toField); addMember(filterForm); } @Override public void onChanged(ChangedEvent event) { // This event handler is to slow... // fireFilterCriteriaChanged(getSearchString()); } @Override public void onKeyUp(KeyUpEvent event) { DoubleValidator validator = new DoubleValidator(); Map<?,?> errors = filterForm.getErrors(); if(event.getItem().getValue() != null && !validator.validate(event.getItem(), errors)) { filterForm.setErrors(errors, true); GWT.log("no valid input!"); return; } else { errors.clear(); filterForm.setErrors(errors, true); } //To deactivate "As you type" filter add // ' && event.getKeyName().equals("Enter")' // to the if-clause. if (event != null) { fireFilterCriteriaChanged(getFrom(), getTo()); } } public String getFrom() { if (fromField.getValueAsString() == null) { return ""; } else { return fromField.getValueAsString(); } } public String getTo() { if (toField.getValueAsString() == null) { return ""; } else { return toField.getValueAsString(); } } public void addFilterHandler(FilterHandler handler) { if (handler != null) { handlers.add(handler); } } protected void fireFilterCriteriaChanged(String from, String to) { RangeFilterEvent filter = new RangeFilterEvent(from, to); for (FilterHandler handler: handlers) { handler.onFilterCriteriaChanged(filter); } } @Override public void clear() { fromField.clearValue(); toField.clearValue(); fireFilterCriteriaChanged("", ""); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :