--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/client/ui/ParameterMatrixPanel.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,197 @@
+package de.intevation.flys.client.client.ui;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.ui.HTML;
+
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Label;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+
+import de.intevation.flys.client.client.FLYSConstants;
+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.IntegerOptionsData;
+import de.intevation.flys.client.shared.model.StringOptionsData;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ParameterMatrixPanel extends AbstractUIProvider {
+
+    private static final long serialVersionUID = -5827445025768340371L;
+
+    /** The message class that provides i18n strings. */
+    protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
+
+    private ParameterMatrix matrix;
+
+    @Override
+    protected Data[] getData() {
+        Map<String, List<String>> selection = matrix.getSelection();
+        Set<Map.Entry<String, List<String>>> entries = selection.entrySet();
+
+        Data[] list = new Data[selection.size()];
+
+        int i = 0;
+
+        for (Map.Entry<String, List<String>> entry: entries) {
+            String value = buildValueString(entry.getValue());
+
+            DataItem item = new DefaultDataItem(
+                entry.getKey(),
+                null,
+                value);
+
+            list[i++] = new DefaultData(
+                entry.getKey(), null, null, new DataItem[] { item });
+        }
+
+        return list;
+    }
+
+
+    protected String buildValueString(List<String> values) {
+        StringBuilder sb = new StringBuilder();
+
+        boolean first = true;
+
+        for (String value: values) {
+            if (!first) {
+                sb.append(";");
+            }
+
+            sb.append(value);
+
+            first = false;
+        }
+
+        return sb.toString();
+    }
+
+
+    /** Canvas to show in non-edit mode. */
+    @Override
+    public Canvas createOld(DataList dataList) {
+        HLayout layout  = new HLayout();
+        VLayout vLayout = new VLayout();
+
+        layout.setWidth(300);
+        vLayout.setWidth(280);
+
+        for (int i = 0, n = dataList.size(); i < n; i++) {
+            HLayout row  = new HLayout();
+            VLayout cols = new VLayout();
+
+            row.setWidth(300);
+            cols.setWidth(100);
+
+            Data       data  = dataList.get(i);
+            DataItem[] items = data.getItems();
+
+            Label parameter = new Label(data.getDescription());
+            parameter.setWidth(200);
+
+            for (int j = 0, m = items.length; j < m; j++) {
+                DataItem item  = items[j];
+                Label    value = new Label(item.getLabel());
+
+                value.setValign(com.smartgwt.client.types.VerticalAlignment.TOP);
+                value.setWidth(130);
+                value.setHeight(20);
+
+                cols.addMember(value);
+                HTML hr = new HTML("<hr>");
+                hr.setHeight("3px");
+                cols.addMember(hr);
+            }
+
+            row.addMember(parameter);
+            row.addMember(cols);
+
+            vLayout.addMember(row);
+        }
+
+        Canvas back = getBackButton(dataList.getState());
+
+        layout.addMember(vLayout);
+        layout.addMember(back);
+
+        return layout;
+    }
+
+
+    /** Create the main canvas in the "editing" mode. */
+    @Override
+    public Canvas create(DataList dataList) {
+        VLayout v = new VLayout();
+        v.addMember(createTitle(dataList));
+
+        matrix = new ParameterMatrix();
+
+        for (Data data: dataList.getAll()) {
+            if (data instanceof IntegerOptionsData) {
+                matrix.addColumn((IntegerOptionsData) data);
+            }
+            else if (data instanceof StringOptionsData) {
+                matrix.addColumn((StringOptionsData) data);
+            }
+        }
+
+        // If too many items are shown, show it in the helper Panel.
+        // TODO its not about the datalist, but about the "rows" in the data.
+        if (dataList.getAll().size() > 5) {
+            v.addMember(matrix.create(false));
+        }
+        else {
+            helperContainer.addMember(matrix.create(true));
+        }
+        v.addMember(getNextButton());
+
+        return v;
+    }
+
+
+    /** Reaturns a label with description of first Data. */
+    protected Canvas createTitle(DataList dataList) {
+        Data data = dataList.get(0);
+        Label label = new Label(data.getDescription());
+        label.setHeight(35);
+
+        return label;
+    }
+
+
+    /** Selection shall not be empty. */
+    @Override
+    public List<String> validate() {
+        GWT.log ("validation. validation. validation. ");
+        List<String> errors = new ArrayList<String>();
+        // Early stop on one (only) error.
+        boolean ok = false;
+        for (Map.Entry<String, List<String>> entry : matrix.getSelection().entrySet()) {
+            /* single entries are allowed!!
+                if (entry.getValue() == null || entry.getValue().size() == 0) {
+                    errors.add(MESSAGES.error_values_needed());
+                    return errors;
+                }
+                */
+            if (entry.getValue() != null && entry.getValue().size() > 0) {
+                ok = true;
+            }
+        }
+        if (!ok) {
+            errors.add(MESSAGES.error_values_needed());
+        }
+        return errors;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :