teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@2521: 
ingo@2521: import com.google.gwt.core.client.GWT;
christian@4184: import com.google.gwt.event.dom.client.ClickEvent;
christian@4184: import com.google.gwt.event.dom.client.ClickHandler;
ingo@2521: import com.google.gwt.user.client.ui.CheckBox;
ingo@2521: import com.google.gwt.user.client.ui.Grid;
ingo@2521: import com.google.gwt.user.client.ui.Widget;
ingo@2521: 
felix@3982: import com.smartgwt.client.types.ListGridFieldType;
felix@3854: import com.smartgwt.client.widgets.Canvas;
ingo@2521: import com.smartgwt.client.widgets.Label;
felix@3982: import com.smartgwt.client.widgets.grid.ListGrid;
felix@3982: import com.smartgwt.client.widgets.grid.ListGridField;
felix@3982: import com.smartgwt.client.widgets.grid.ListGridRecord;
ingo@2521: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.IntegerOptionsData;
teichmann@5835: import org.dive4elements.river.client.shared.model.StringOptionsData;
ingo@2521: 
christian@4184: import java.io.Serializable;
christian@4184: import java.util.ArrayList;
christian@4184: import java.util.HashMap;
christian@4184: import java.util.List;
christian@4184: import java.util.Map;
christian@4184: 
ingo@2521: 
felix@3854: /**
felix@3854:  * Some parameters take the form of on/off options that can also be seen
felix@3854:  * as a matrix.
felix@3854:  *
felix@3854:  * This class helps to survive the underlying objects and create a visual
felix@3854:  * representation of this matrix. Later can happen in two ways to overcome
felix@3854:  * shortcomings of GWT/SmartGWT combination.
felix@3854:  */
ingo@2521: public class ParameterMatrix {
ingo@2521: 
felix@3982:     protected ListGrid listGrid = null;
felix@3982: 
ingo@2521:     public static class Column implements Serializable {
christian@4184: 
christian@4184:         private static final long serialVersionUID = -3493426383086860118L;
christian@4184: 
ingo@2521:         protected String              name;
ingo@2521:         protected Map<String, String> values;
ingo@2521: 
ingo@2521:         private Column() {
ingo@2521:             this.values = new HashMap<String, String>();
ingo@2521:         }
ingo@2521: 
ingo@2521:         public Column(String name) {
ingo@2521:             this();
ingo@2521:             this.name = name;
ingo@2521:         }
ingo@2521: 
ingo@2521:         public void addValue(String label, String value) {
ingo@2521:             values.put(label, value);
ingo@2521:         }
ingo@2521: 
ingo@2521:         public String getValue(String label) {
ingo@2521:             return values.get(label);
ingo@2521:         }
ingo@2521:     } // end of class Column
ingo@2521: 
raimund@3705:     /** The message class that provides i18n strings.*/
raimund@3705:     protected FLYSConstants MESSAGE = GWT.create(FLYSConstants.class);
ingo@2521: 
ingo@2521:     public static final int CELL_HEIGHT = 25;
ingo@2521: 
ingo@2521:     private Map<String, Column> columns;
ingo@2521:     private List<String>        columnNames;
ingo@2521:     private List<String>        valueNames;
ingo@2521: 
felix@3993:     /** Maps column names to list of rows' first fields. */
ingo@2521:     private Map<String, List<String>> selected;
ingo@2521: 
ingo@2521:     public ParameterMatrix() {
ingo@2521:         super();
ingo@2521:         this.columns     = new HashMap<String, Column>();
ingo@2521:         this.columnNames = new ArrayList<String>();
ingo@2521:         this.valueNames  = new ArrayList<String>();
ingo@2521:         this.selected    = new HashMap<String, List<String>>();
ingo@2521:     }
ingo@2521: 
ingo@2521: 
ingo@2521:     public void addColumn(IntegerOptionsData group) {
ingo@2521:         String groupTitle = group.getLabel();
ingo@2521: 
ingo@2532:         Column     col   = new Column(groupTitle);
ingo@2532:         DataItem[] items = group.getItems();
ingo@2532: 
ingo@2532:         if (items == null) {
ingo@2532:             GWT.log("No items found in StringOptionsData '" + groupTitle + "'");
ingo@2532:             return;
ingo@2532:         }
ingo@2532: 
ingo@2532:         for (DataItem item: items) {
ingo@2532:             String title = item.getLabel();
ingo@2532: 
ingo@2532:             if (valueNames.indexOf(title) < 0) {
ingo@2532:                 valueNames.add(title);
ingo@2532:             }
ingo@2532: 
ingo@2532:             col.addValue(item.getLabel(), item.getStringValue());
ingo@2532:         }
ingo@2532: 
ingo@2532:         columnNames.add(groupTitle);
ingo@2532:         columns.put(groupTitle, col);
ingo@2532:     }
ingo@2532: 
ingo@2532: 
ingo@2532:     public void addColumn(StringOptionsData options) {
ingo@2532:         String groupTitle = options.getLabel();
ingo@2532: 
ingo@2532:         Column     col   = new Column(groupTitle);
ingo@2532:         DataItem[] items = options.getItems();
ingo@2532: 
ingo@2532:         if (items == null) {
ingo@2532:             GWT.log("No items found in StringOptionsData '" + groupTitle + "'");
ingo@2532:             return;
ingo@2532:         }
ingo@2532: 
ingo@2532:         for (DataItem item: items) {
ingo@2521:             String title = item.getLabel();
ingo@2521: 
ingo@2521:             if (valueNames.indexOf(title) < 0) {
ingo@2521:                 valueNames.add(title);
ingo@2521:             }
ingo@2521: 
ingo@2521:             col.addValue(item.getLabel(), item.getStringValue());
ingo@2521:         }
ingo@2521: 
ingo@2521:         columnNames.add(groupTitle);
ingo@2521:         columns.put(groupTitle, col);
ingo@2521:     }
ingo@2521: 
ingo@2521: 
felix@3982:     public Widget createParameterGrid() {
felix@3982:         listGrid = new ListGrid();
felix@3982:         listGrid.setShowAllRecords(true);
felix@3982:         listGrid.setWrapCells(true);
felix@3982:         listGrid.setShowHeaderContextMenu(false);
felix@3982:         listGrid.setCanReorderFields(false);
felix@3982:         listGrid.setCanSort(false);
felix@3982:         //listGrid.setAutoFitData(Autofit.VERTICAL);
felix@3982:         listGrid.setFixedRecordHeights(false);
felix@3982:         // TODO: Then also need "autofit" (when wrapping)
felix@3854: 
felix@3982:         ListGridField itemNameField = new ListGridField("itemname", " ");
felix@3982:         ArrayList<ListGridField> fields = new ArrayList<ListGridField>();
felix@3982:         fields.add(itemNameField);
felix@3982: 
felix@3854:         for (int i = 0, n = columnNames.size(); i < n; i++) {
felix@3982:             ListGridField field = new ListGridField(columnNames.get(i), MESSAGE.getString(columnNames.get(i)));
felix@3982:             field.setType(ListGridFieldType.BOOLEAN);
felix@3982:             field.setCanEdit(true);
felix@3982:             fields.add(field);
felix@3982:             selected.put(columnNames.get(i), new ArrayList<String>());
felix@3982:         }
felix@3854: 
felix@3982:         ListGridField[] fieldsArray = fields.toArray(new ListGridField[fields.size()]);
felix@3982:         listGrid.setFields(fieldsArray);
felix@3854: 
felix@3854:         int nVals = valueNames.size();
sascha@3858: 
felix@3982:         ArrayList<ListGridRecord> records = new ArrayList<ListGridRecord>();
felix@3854:         for (int j = 0; j < nVals; j++) {
felix@3982:             String valueName  = valueNames.get(j);
felix@3982:             ListGridRecord record = new ListGridRecord();
felix@3982:             record.setAttribute("itemname", valueName);
felix@3854:             for (int i = 0, n = columnNames.size(); i < n; i++) {
felix@3854:                 String columnName = columnNames.get(i);
felix@3854:                 Column col        = columns.get(columnName);
felix@3854:                 String value      = col.getValue(valueName);
felix@3982:                 record.setAttribute(columnName, false);
felix@3982:                 record.setAttribute(columnName+"-value", value);
felix@3854:             }
felix@3982:             records.add(record);
felix@3854:         }
felix@3854: 
felix@3982:         listGrid.setData(records.toArray(new ListGridRecord[records.size()]));
felix@3982: 
felix@3982:         return listGrid;
felix@3982: 
felix@3854:     }
felix@3854: 
felix@3854: 
felix@3854:     /**
felix@3854:      * Returns a widget with matrix of checkboxes and labels.
felix@3982:      * @param asListGrid if true, use a ListGrid (for inclusion in SmartGWT
felix@3982:      *                   containers, avoiding scrollbar-issues.
felix@3854:      */
felix@3982:     public Widget create(boolean asListGrid) {
felix@3982:         if (asListGrid) {
felix@3982:             return createParameterGrid();
felix@3854:         }
felix@3854:         Grid grid = new Grid(valueNames.size() + 1, columnNames.size() + 1);
ingo@2521: 
ingo@2521:         for (int i = 0, n = columnNames.size(); i < n; i++) {
ingo@2521:             String columnName = columnNames.get(i);
ingo@2521:             Column col        = columns.get(columnName);
ingo@2521: 
ingo@2521:             selected.put(columnName, new ArrayList<String>());
ingo@2521: 
raimund@3705:             grid.setWidget(0, i+1, createLabel(MESSAGE.getString(columnName)));
ingo@2521: 
ingo@2521:             for (int j = 0, o = valueNames.size(); j < o; j++) {
ingo@2521:                 String valueName = valueNames.get(j);
ingo@2521:                 String value     = col.getValue(valueName);
ingo@2521: 
ingo@2521:                 if (i == 0) {
ingo@2521:                     grid.setWidget(j+1, 0, createLabel(valueName));
ingo@2521:                 }
ingo@2521: 
ingo@2521:                 if (value != null && value.length() > 0) {
felix@3854:                     grid.setWidget(j+1, i+1, createCheckBox(columnName, value));
ingo@2521:                 }
ingo@2521:             }
ingo@2521:         }
ingo@2521: 
ingo@2521:         return grid;
ingo@2521:     }
ingo@2521: 
ingo@2521: 
felix@3854:     /** Creates label with given text. */
ingo@2521:     protected Label createLabel(String text) {
ingo@2521:         Label label = new Label(text);
ingo@2521:         label.setHeight(CELL_HEIGHT);
ingo@2521: 
ingo@2521:         return label;
ingo@2521:     }
ingo@2521: 
ingo@2521: 
felix@3854:     /** Create Checkbox for column/value. */
felix@3854:     protected Canvas createCheckBox(final String colName, final String value) {
ingo@2521:         CheckBox box = new CheckBox();
christian@4184:         box.addClickHandler(new ClickHandler() {
christian@4184: 
ingo@2521:             @Override
christian@4184:             public void onClick(ClickEvent event) {
ingo@2521:                 Map<String, List<String>> selection = getSelection();
ingo@2521: 
ingo@2521:                 List<String> values = selection.get(colName);
ingo@2521:                 if (values.indexOf(value) >= 0) {
ingo@2521:                     values.remove(value);
ingo@2521:                 }
ingo@2521:                 else {
ingo@2521:                     values.add(value);
ingo@2521:                 }
ingo@2521:             }
ingo@2521:         });
ingo@2521: 
felix@3854:         Canvas c = new Canvas();
felix@3854:         c.addChild(box);
felix@3854:         return c;
ingo@2521:     }
ingo@2521: 
ingo@2521: 
ingo@2521:     public Map<String, List<String>> getSelection() {
felix@3982:         if (listGrid == null) {
felix@3982:             return selected;
felix@3982:         }
christian@4184: 
felix@3982:         ListGridRecord[] records = listGrid.getRecords();
rrenkert@4627:         Map<String, List<String>> result = new HashMap<String, List<String>>();
rrenkert@4627:         for (ListGridRecord record : records) {
felix@3982:             for (int i = 0, n = columnNames.size(); i < n; i++) {
felix@3982:                 String columnName = columnNames.get(i);
felix@3982:                 if (Boolean.valueOf(record.getAttribute(columnName)) == true) {
rrenkert@4627:                     if (result.containsKey(columnName)) {
rrenkert@4627:                         result.get(columnName).add(record.getAttribute(columnName + "-value"));
rrenkert@4627:                     }
rrenkert@4627:                     else {
rrenkert@4627:                         List<String> items = new ArrayList<String>();
rrenkert@4627:                         items.add(record.getAttribute(columnName + "-value"));
rrenkert@4627:                         result.put(columnName, items);
rrenkert@4627:                     }
felix@3982:                 }
felix@3982:             }
felix@3982:         }
rrenkert@4627:         return result;
ingo@2521:     }
ingo@2521: }
ingo@2521: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :