Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/MultipleLocationPanel.java @ 2920:aad006178c39
Bumped SmartGWT to version 3.0
flys-client/trunk@4760 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 22 Jun 2012 16:38:36 +0000 |
parents | 51ed89b754ae |
children | e703555f8da1 |
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package de.intevation.flys.client.client.ui; import java.util.ArrayList; import java.util.List; import com.google.gwt.core.client.GWT; import com.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.util.SC; 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.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.grid.events.RecordClickHandler; import com.smartgwt.client.widgets.grid.events.RecordClickEvent; import com.smartgwt.client.data.Record; import de.intevation.flys.client.shared.model.ArtifactDescription; 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.DistanceInfoObject; import de.intevation.flys.client.shared.DoubleUtils; import de.intevation.flys.client.shared.model.RangeData; import de.intevation.flys.client.client.services.DistanceInfoService; import de.intevation.flys.client.client.services.DistanceInfoServiceAsync; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.client.ui.range.DistanceInfoDataSource; /** * This UIProvider creates a widget to enter a single location (km). * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class MultipleLocationPanel extends LocationPanel implements RecordClickHandler { /** The DistanceInfoService used to retrieve locations about rivers. */ protected DistanceInfoServiceAsync distanceInfoService = GWT.create(DistanceInfoService.class); /** The table data. */ protected DistanceInfoObject[] tableData; /** The input helper (usually right side, table to click on, values are * then entered in the texfield. */ protected LocationPicker picker; /** * Creates a new LocationDistancePanel instance. */ public MultipleLocationPanel() { picker = new LocationPicker(this); } /** * 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 mode specific panel. * * @param data The data that might be inserted. * * @return a panel. */ @Override public Canvas create(DataList data) { findDataItemName(data); VLayout layout = new VLayout(); layout.setMembersMargin(10); // Take translated data item name as label, if translation available. String labelString; try { labelString = MSG.getString(getDataItemName()); } catch(java.util.MissingResourceException mre) { GWT.log("Cannot find translation for data item name : " + getDataItemName()); labelString = MSG.location(); } Label label = new Label(labelString); Canvas widget = createWidget(data); Canvas submit = getNextButton(); initDefaults(data); picker.createLocationTable(); widget.setHeight(50); label.setHeight(25); layout.addMember(label); layout.addMember(widget); layout.addMember(submit); 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) { Data data = list.get(0); // Compatibility with MinMax- DataItems: RangeData rangeData = null; for (int i = 0, n = list.size(); i < n; i++) { Data tmp = list.get(i); if (tmp instanceof RangeData) { rangeData = (RangeData) tmp; } } if (rangeData != null) { min = Double.parseDouble(rangeData.getDefaultLower().toString()); max = Double.parseDouble(rangeData.getDefaultUpper().toString()); // catch ..? } else { DataItem[] items = data.getItems(); DataItem iMin = getDataItem(items, "min"); DataItem iMax = getDataItem(items, "max"); try { min = Double.parseDouble(iMin.getStringValue()); max = Double.parseDouble(iMax.getStringValue()); } catch (NumberFormatException nfe) { SC.warn(MSG.error_read_minmax_values()); min = -Double.MAX_VALUE; max = Double.MAX_VALUE; } } DataItem def = data.getDefault(); if (def != null) { String value = def.getStringValue(); try { double d = Double.parseDouble(value); setLocationValues(new double[] { d } ); } catch (NumberFormatException nfe) { // could not parse, dont know what to do else } } } protected Canvas createWidget(DataList data) { VLayout layout = new VLayout(); inputLayout = new HLayout(); // The initial view will display the location input mode. locationPanel = new DoubleArrayPanel( MSG.unitLocation(), getLocationValues(), new BlurHandler(){public void onBlur(BlurEvent be) {}}); picker.getLocationTable().setAutoFetchData(true); inputLayout.addMember(locationPanel); layout.addMember(inputLayout); inputLayout.setMembersMargin(30); picker.prepareFilter(); helperContainer.addMember(picker.getLocationTable()); helperContainer.addMember(picker.getFilterLayout()); helperContainer.addMember(picker.getResultCountForm()); setPickerDataSource(); return layout; } /** Overridden to restrict to one entered value. */ @Override public List<String> validate() { List<String> errors = new ArrayList<String>(); NumberFormat nf = NumberFormat.getDecimalFormat(); saveLocationValues(locationPanel); if (!locationPanel.validateForm()) { errors.add(MSG.wrongFormat()); return errors; } double[] lValues = getLocationValues(); double[] good = new double[lValues.length]; int idx = 0; for (double value: lValues) { if (value < min || value > max) { String tmp = MSG.error_validate_range(); tmp = tmp.replace("$1", nf.format(value)); tmp = tmp.replace("$2", nf.format(min)); tmp = tmp.replace("$3", nf.format(max)); errors.add(tmp); } else { good[idx++] = value; } } double[] justGood = new double[idx]; for (int i = 0; i < justGood.length; i++) { justGood[i] = good[i]; } if (!errors.isEmpty()) { locationPanel.setValues(justGood); } return errors; } /** * This method returns the selected data (to feed). * * @return the selected/inserted data in feedable form. */ public Data[] getData() { saveLocationValues(locationPanel); double[] lValues = getLocationValues(); Data[] data = new Data[2]; boolean first = true; String valueString = ""; for (int i = 0; i < lValues.length; i++) { if (!first) valueString += " "; else first = false; valueString += Double.valueOf(lValues[i]).toString(); } data[0] = createDataArray(getDataItemName(), valueString); data[1] = createDataArray("ld_mode", "locations"); return data; } /** Hook service to the listgrid with possible input values. */ protected void setPickerDataSource() { Config config = Config.getInstance(); String url = config.getServerUrl(); String river = ""; ArtifactDescription adescr = artifact.getArtifactDescription(); DataList[] data = adescr.getOldData(); // Try to find a "river" data item to set the source for the // list grid. String dataFilter = "locations"; if (data != null && data.length > 0) { for (int i = 0; i < data.length; i++) { DataList dl = data[i]; if (dl.getState().equals("state.minfo.river")) { dataFilter = "measuringpoint"; } if (dl.getState().equals("state.winfo.river") || dl.getState().equals("state.chart.river") || dl.getState().equals("state.minfo.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(); break; } } } } } picker.getLocationTable().setDataSource(new DistanceInfoDataSource( url, river, dataFilter)); } // TODO allow multiple selections here or in LocationPanel /** * Callback when an item from the input helper was clicked. * Set the respective km-value in the location value field. * @param e event passed. */ public void onRecordClick (RecordClickEvent e) { Record record = e.getRecord(); double[] old = getLocationValues(); double[] selected = DoubleUtils.copyOf(old, old.length + 1); try { selected[old.length] = Double.parseDouble(record.getAttribute("from")); } catch(NumberFormatException nfe) { // Is there anything else to do here? } setLocationValues(selected); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :