Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/SingleLocationPanel.java @ 238:234c78a91c15
Added new UI provider for single location selection.
flys-client/trunk@1806 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
---|---|
date | Tue, 03 May 2011 13:52:14 +0000 |
parents | |
children | f9ca49e59fb6 |
line wrap: on
line source
package de.intevation.flys.client.client.ui; import java.util.List; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.Label; import com.smartgwt.client.widgets.form.fields.events.BlurHandler; import com.smartgwt.client.widgets.form.fields.events.BlurEvent; import com.smartgwt.client.widgets.form.fields.FormItem; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.grid.ListGrid; import com.smartgwt.client.widgets.grid.ListGridField; import com.smartgwt.client.widgets.grid.ListGridRecord; import com.smartgwt.client.widgets.grid.events.RecordClickHandler; import com.smartgwt.client.widgets.grid.events.RecordClickEvent; import com.smartgwt.client.types.ListGridFieldType; import de.intevation.flys.client.shared.model.Data; import de.intevation.flys.client.shared.model.DataItem; import de.intevation.flys.client.shared.model.DataList; import de.intevation.flys.client.shared.model.DefaultData; import de.intevation.flys.client.shared.model.DefaultDataItem; import de.intevation.flys.client.shared.model.DistanceInfoObject; import de.intevation.flys.client.shared.model.DistanceInfoRecord; import de.intevation.flys.client.shared.model.ArtifactDescription; import de.intevation.flys.client.client.services.DistanceInfoService; import de.intevation.flys.client.client.services.DistanceInfoServiceAsync; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.FLYSImages; import de.intevation.flys.client.client.Config; /** * This UIProvider creates a widget to enter locations. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class SingleLocationPanel extends AbstractUIProvider { /** The message class that provides i18n strings.*/ protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class); /** The interface that provides the image resources. */ private FLYSImages IMAGES = GWT.create(FLYSImages.class); /** The DistanceInfoService used to retrieve locations about rivers.*/ protected DistanceInfoServiceAsync distanceInfoService = GWT.create(DistanceInfoService.class); /** A container that will contain the location or the distance panel.*/ protected HLayout container; /** The values entered in the location mode.*/ protected double[] values; /** The input panel for locations */ protected DoubleArrayPanel locationPanel; /** The locations table */ protected ListGrid locationTable; /** The table data. */ protected DistanceInfoObject[] tableData; /** * Creates a new LocationDistancePanel instance. */ public SingleLocationPanel() { locationTable = new ListGrid(); } /** * This method creates a widget that contains a label, a panel with * checkboxes to switch the input mode between location and distance input, * and a the mode specific panel. * * @param data The data that might be inserted. * * @return a panel. */ public Canvas create(DataList data) { VLayout layout = new VLayout(); layout.setMembersMargin(10); initDefaults(data); Label label = new Label(MESSAGES.location ()); Canvas widget = createWidget(data); Canvas submit = getNextButton(); createLocationTable(); widget.setHeight(50); label.setHeight(25); layout.addMember(label); layout.addMember(widget); layout.addMember(submit); return layout; } /** * This method creates a table that contains the location values. */ protected void createLocationTable() { locationTable.setWidth(450); locationTable.setShowRecordComponents(true); locationTable.setShowRecordComponentsByCell(true); locationTable.setHeight(300); ListGridField addLocation = new ListGridField ("", ""); addLocation.setType (ListGridFieldType.ICON); addLocation.setWidth ("30"); addLocation.addRecordClickHandler (new RecordClickHandler () { public void onRecordClick (RecordClickEvent e) { ListGridRecord[] records = locationTable.getSelection(); double[] selected = new double[1]; selected[0] = records[0].getAttributeAsDouble("from"); setLocationValues(selected); } }); addLocation.setCellIcon (IMAGES.markerGreen ().getURL ()); ListGridField ldescr = new ListGridField("description", MESSAGES.description()); ldescr.setType(ListGridFieldType.TEXT); ldescr.setWidth("*"); ListGridField lside = new ListGridField("riverside", MESSAGES.riverside()); lside.setType(ListGridFieldType.TEXT); lside.setWidth(60); ListGridField loc = new ListGridField("from", MESSAGES.location()); loc.setType(ListGridFieldType.TEXT); loc.setWidth(80); locationTable.setFields(addLocation, ldescr, loc, lside); } public Canvas createOld(DataList dataList) { List<Data> items = dataList.getAll(); HLayout layout = new HLayout(); layout.setWidth("400px"); Label label = new Label(dataList.getLabel()); label.setWidth("200px"); Canvas back = getBackButton(dataList.getState()); Label selected = new Label("testtext"); selected.setWidth("130px"); layout.addMember(label); layout.addMember(selected); layout.addMember(back); return layout; } /** * This method reads the default values defined in the DataItems of the Data * objects in <i>list</i>. * * @param list The DataList container that stores the Data objects. */ protected void initDefaults(DataList list) { } /** * This method greps the Data with name <i>name</i> from the list and * returns it. * * @param items A list of Data. * @param name The name of the Data that we are searching for. * * @return the Data with the name <i>name</i>. */ protected Data getData(List<Data> data, String name) { for (Data d: data) { if (name.equals(d.getLabel())) { return d; } } return null; } protected Canvas createWidget(DataList data) { VLayout layout = new VLayout(); container = new HLayout(); // the initial view will display the location input mode locationPanel = new DoubleArrayPanel( MESSAGES.unitLocation(), getLocationValues(), new BlurHandler(){public void onBlur(BlurEvent be) {}}); container.addMember(locationPanel); layout.addMember(container); container.setMembersMargin(30); container.addMember(locationTable); createInputPanel(); return layout; } /** * This method returns the selected data. * * @return the selected/inserted data. */ public Data[] getData() { double[] values = getLocationValues(); Data[] data = new Data[values.length]; DataItem item = new DefaultDataItem(); for (int i = 0; i < values.length; i++) { item = new DefaultDataItem( "ld_locations", "ld_locations", Double.valueOf(values[i]).toString()); data[i] = new DefaultData( "ld_locations", null, null, new DataItem[] {item}); } return data; } /** * Validates and stores all values entered in the location mode. * * @param p The DoubleArrayPanel. */ protected void saveLocationValues(DoubleArrayPanel p) { FormItem[] formItems = p.getFields(); for (FormItem item: formItems) { if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) { saveLocationValue(p, item); } } } /** * Validates and stores a value entered in the location mode. * * @param p The DoubleArrayPanel. * @param item The item that needs to be validated. */ protected void saveLocationValue(DoubleArrayPanel p, FormItem item) { if (p.validateForm(item)) { setLocationValues(p.getInputValues(item)); } } protected void createInputPanel() { Config config = Config.getInstance(); String url = config.getServerUrl(); String locale = config.getLocale (); String river = ""; ArtifactDescription adescr = artifact.getArtifactDescription(); DataList[] data = adescr.getOldData(); if (data != null && data.length > 0) { for (int i = 0; i < data.length; i++) { DataList dl = data[i]; if (dl.getState().equals("state.winfo.river")) { for (int j = 0; j < dl.size(); j++) { Data d = dl.get(j); DataItem[] di = d.getItems(); if (di != null && di.length == 1) { river = d.getItems()[0].getStringValue(); } } } } } distanceInfoService.getDistanceInfo(url, locale, river, new AsyncCallback<DistanceInfoObject[]>() { public void onFailure(Throwable caught) { GWT.log("Could not recieve location informations."); GWT.log(caught.getMessage()); } public void onSuccess(DistanceInfoObject[] di) { int num = di != null ? di.length :0; GWT.log("Recieved " + num + " location informations."); if (num == 0) { return; } tableData = di; updateLocationInfo(di); } } ); } protected void updateLocationInfo(DistanceInfoObject[] di) { int i = 0; for (DistanceInfoObject dio: di) { if (dio.getTo() != null) { locationTable.addData(new DistanceInfoRecord(dio)); } } return; } protected double[] getLocationValues() { return values; } protected void setLocationValues(double[] values) { this.values = values; locationPanel.setValues(values); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :