https://sourceforge.net/tracker/?func=detail&aid=2904159&group_id=176962&atid=955896

- multi selection of product from order

zkwebui/WEB-INF/src/org/adempiere/webui/component/WListItemRenderer.java

@@ -269,7 +269,7 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 			{
 				listcell.setValue(Boolean.valueOf(field.toString()));
 
-				if (table != null)
+				if (table != null && columnIndex == 0)
 					table.setCheckmark(false);
 				Checkbox checkbox = new Checkbox();
 				checkbox.setChecked(Boolean.valueOf(field.toString()));
@@ -448,6 +448,13 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 
         String headerText = headerValue.toString();
         if (m_headers.size() <= headerIndex || m_headers.get(headerIndex) == null)
+        {
+        	if (classType != null && classType.isAssignableFrom(IDColumn.class))
+        	{
+        		header = new ListHeader("");
+        		header.setWidth("20px");
+        	}
+        	else
         	{
 	            Comparator<Object> ascComparator =  getColumnComparator(true, headerIndex);
 	            Comparator<Object> dscComparator =  getColumnComparator(false, headerIndex);
@@ -474,13 +481,14 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 	            		if (width == 0)
 	            			width = 30;
 	            	}
-            	else if (width > 0 && width < 100)
+		            else if (width > 0 && width < 100 && (classType == null || !classType.isAssignableFrom(Boolean.class)))
 	            		width = 100;
 	            }
 	            else if (width > 0 && width < 100)
 	            	width = 100;
 	
 	            header.setWidth(width + "px");
+        	}
             m_headers.add(header);
         }
         else
@@ -738,10 +746,18 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 	    }
 
 	    m_listeners.add(listener);
+	}
 
+	public void removeTableValueChangeListener(TableValueChangeListener listener)
+	{
+		if (listener == null)
+	    {
 	    	return;
 		}
 
+	    m_listeners.remove(listener);
+	}
+
 	/**
 	 * Fire the given table value change <code>event</code>.
 	 *

zkwebui/WEB-INF/src/org/adempiere/webui/component/WListbox.java

@@ -60,7 +60,7 @@ public class WListbox extends Listbox implements IMiniTable, TableValueChangeLis
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -9012847495178031267L;
+	private static final long serialVersionUID = 8717707799347994189L;
 
 	/**	Logger. */
 	private static CLogger logger = CLogger.getCLogger(MiniTable.class);
@@ -102,17 +102,23 @@ public class WListbox extends Listbox implements IMiniTable, TableValueChangeLis
 	 * @param columnNames  The names of the table columns
 	 */
 	public void setData(ListModelTable model, List< ? extends String> columnNames)
+	{
+		WListItemRenderer rowRenderer = null;
+		if (columnNames != null && columnNames.size() > 0)
 		{
 	    	//	 instantiate our custom row renderer
-	    WListItemRenderer rowRenderer = new WListItemRenderer(columnNames);
+		    rowRenderer = new WListItemRenderer(columnNames);
 
 	    	// add listener for listening to component changes
 	    	rowRenderer.addTableValueChangeListener(this);
-
+		}
 	    // assign the model and renderer
 	    this.setModel(model);
+	    if (rowRenderer != null)
+	    {
 	    	getModel().setNoColumns(columnNames.size());
 	    	this.setItemRenderer(rowRenderer);
+	    }
 
 	    // re-render
 	    this.repaint();
@@ -1039,4 +1045,8 @@ public class WListbox extends Listbox implements IMiniTable, TableValueChangeLis
 		return getModel() != null ? getModel().getNoColumns() : 0;
 	}
 	
+	public int getKeyColumnIndex() {
+		return m_keyColumnIndex;
+	}
+
 }

zkwebui/WEB-INF/src/org/adempiere/webui/editor/WSearchEditor.java

@@ -402,12 +402,17 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 	{
 		log.fine("Value=" + value);
 
-		ValueChangeEvent evt = new ValueChangeEvent(this, this.getColumnName(), value, value);
+		ValueChangeEvent evt = new ValueChangeEvent(this, this.getColumnName(), getValue(), value);
 		// -> ADTabpanel - valuechange
 		fireValueChange(evt);
 		
 		//  is the value updated ?
 		boolean updated = false;
+		if (value instanceof Object[] && ((Object[])value).length > 0)
+		{
+			value = ((Object[])value)[0];
+		}
+		
 		if (value == null && getValue() == null)
 			updated = true;
 		else if (value != null && value.equals(getValue()))
@@ -470,7 +475,7 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 		 *  - Window closed                 -> ignore       => result == null && !cancalled
 		 */
 
-		Object result = null;			
+		Object result[] = null;			
 		boolean cancelled = false;	
 
 		String col = lookup.getColumnName();		//	fully qualified name
@@ -501,7 +506,7 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 
 			//	Show Info
 			InfoProductPanel ip = new InfoProductPanel (lookup.getWindowNo(),
-					M_Warehouse_ID, M_PriceList_ID, false,queryValue, whereClause);
+					M_Warehouse_ID, M_PriceList_ID, true, queryValue, whereClause);
 
 			ip.setVisible(true);
 			ip.setTitle("Product Info");
@@ -513,7 +518,7 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 			AEnv.showWindow(ip);
 			
 			cancelled = ip.isCancelled();
-			result = ip.getSelectedKey();
+			result = ip.getSelectedKeys();
 		}
 		else if (col.equals("C_BPartner_ID"))
 		{
@@ -538,7 +543,7 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 			AEnv.showWindow(ip);
 
 			cancelled = ip.isCancelled();
-			result = ip.getSelectedKey();
+			result = ip.getSelectedKeys();
 		}
 		else	//	General Info
 		{
@@ -558,16 +563,19 @@ public class WSearchEditor extends WEditor implements ContextMenuListener, Value
 			AEnv.showWindow(ig);
 
 			cancelled = ig.isCancelled();
-			result = ig.getSelectedKey();
+			result = ig.getSelectedKeys();
 
 		}
 
 		infoPanel = null;
 		//  Result
-		if (result != null)
+		if (result != null && result.length > 0)
 		{
 			//ensure data binding happen
-			actionCombo (result);	//	data binding
+			if (result.length > 1)
+				actionCombo (result);
+			else
+				actionCombo (result[0]);
 		}
 		else if (cancelled)
 		{

zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoPanel.java

@@ -67,7 +67,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -1797443523668842806L;
+	private static final long serialVersionUID = 2961293943433626554L;
 	private final static int PAGE_SIZE = 100;
 	
     public static InfoPanel create (int WindowNo,
@@ -355,7 +355,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
             String orderBy)
 	{
         String sql =contentPanel.prepareTable(layout, from,
-                where.toString(),false,
+                where.toString(),p_multipleSelection,
                 getTableName(),false);
         p_layout = contentPanel.getLayout();
 		m_sqlMain = sql.toString();
@@ -490,7 +490,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
     			List<Object> subList = line.subList(0, PAGE_SIZE);
     			model = new ListModelTable(subList);
 	            model.addTableModelListener(this);
-	            contentPanel.setData(model, columnHeader);
+	            contentPanel.setData(model, null);
 	            
 	            pageNo = 0;
         	}
@@ -504,7 +504,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
         		}
 	            model = new ListModelTable(line);
 	            model.addTableModelListener(this);
-	            contentPanel.setData(model, columnHeader);	            
+	            contentPanel.setData(model, null);
         	}
         }
         int no = line.size();
@@ -609,6 +609,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 		//	Multi Selection
 		if (p_multipleSelection)
 		{
+			m_results.addAll(getSelectedRowKeys());
 		}
 		else    //  singleSelection
 		{
@@ -635,6 +636,54 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 		return key;        
 	}   //  getSelectedRowKey
 	
+	/**
+     *  Get the keys of selected row/s based on layout defined in prepareTable
+     *  @return IDs if selection present
+     *  @author ashley
+     */
+    protected ArrayList<Integer> getSelectedRowKeys()
+    {
+        ArrayList<Integer> selectedDataList = new ArrayList<Integer>();
+        
+        if (contentPanel.getKeyColumnIndex() == -1)
+        {
+            return selectedDataList;
+        }
+        
+        if (p_multipleSelection)
+        {
+        	int[] rows = contentPanel.getSelectedIndices();
+            for (int row = 0; row < rows.length; row++)
+            {
+                Object data = contentPanel.getModel().getValueAt(rows[row], contentPanel.getKeyColumnIndex());
+                if (data instanceof IDColumn)
+                {
+                    IDColumn dataColumn = (IDColumn)data;
+                    selectedDataList.add(dataColumn.getRecord_ID());
+                }
+                else
+                {
+                    log.severe("For multiple selection, IDColumn should be key column for selection");
+                }
+            }
+        }
+        
+        if (selectedDataList.size() == 0)
+        {
+        	int row = contentPanel.getSelectedRow();
+    		if (row != -1 && contentPanel.getKeyColumnIndex() != -1)
+    		{
+    			Object data = contentPanel.getModel().getValueAt(row, contentPanel.getKeyColumnIndex());
+    			if (data instanceof IDColumn)
+    				selectedDataList.add(((IDColumn)data).getRecord_ID());
+    			if (data instanceof Integer)
+    				selectedDataList.add((Integer)data);
+    		}
+        }
+      
+        return selectedDataList;
+    }   //  getSelectedRowKeys
+
 	/**
 	 *	Get selected Keys
 	 *  @return selected keys (Integers)
@@ -643,7 +692,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 	{
 		if (!m_ok || m_results.size() == 0)
 			return null;
-		return m_results.toArray();
+		return m_results.toArray(new Integer[0]);
 	}	//	getSelectedKeys;
 
 	/**
@@ -912,7 +961,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
             		List<Object> subList = line.subList(start, end);
         			model = new ListModelTable(subList);
     	            model.addTableModelListener(this);
-    	            contentPanel.setData(model, getColumnHeader(p_layout));
+    	            contentPanel.setData(model, null);
     	            
     	            //workaround for scrollbar position problem
     	            contentPanel.renderAll();
@@ -993,14 +1042,6 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 
         //  End Worker
         saveSelection();
-        if (contentPanel != null)
-        {
-            Object data = getSelectedKey();
-            ValueChangeEvent valuechange = new ValueChangeEvent
-            (this, p_keyColumn , data, data);
-        
-            fireValueChange(valuechange);
-        }        
         this.detach();
     }   //  dispose
         

zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoProductPanel.java

@@ -97,7 +97,7 @@ public class InfoProductPanel extends InfoPanel implements EventListener
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = 8334769481995098193L;
+	private static final long serialVersionUID = 73880400775610395L;
 	private Label lblValue = new Label();
 	private Textbox fieldValue = new Textbox();
 	private Label lblName = new Label();
@@ -451,7 +451,7 @@ public class InfoProductPanel extends InfoPanel implements EventListener
 		contentPanel.addActionListener(new EventListener() {
 			public void onEvent(Event event) throws Exception {
 				int row = contentPanel.getSelectedRow();
-
+				if (row >= 0) {
 					int M_Warehouse_ID = 0;
 					ListItem listitem = pickWarehouse.getSelectedItem();
 					if (listitem != null)
@@ -465,6 +465,7 @@ public class InfoProductPanel extends InfoPanel implements EventListener
         			refresh(contentPanel.getValueAt(row,2), M_Warehouse_ID, M_PriceList_Version_ID);
         			borderlayout.getSouth().setOpen(true);
 				}
+			}
 		});
 	}
 

zkwebui/WEB-INF/src/org/adempiere/webui/util/GridTabDataBinder.java

@@ -12,6 +12,9 @@
  *****************************************************************************/
 package org.adempiere.webui.util;
 
+import java.util.Properties;
+
+import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.webui.editor.WEditor;
 import org.adempiere.webui.event.ValueChangeEvent;
 import org.adempiere.webui.event.ValueChangeListener;
@@ -19,6 +22,8 @@ import org.compiere.model.GridField;
 import org.compiere.model.GridTab;
 import org.compiere.model.GridTable;
 import org.compiere.util.CLogger;
+import org.compiere.util.Env;
+import org.compiere.util.Trx;
 
 /**
  * Transfer data from editor to GridTab
@@ -90,8 +95,33 @@ public class GridTabDataBinder implements ValueChangeListener {
         	mTable.setValueAt (e.getNewValue(), row, col);
         else
         {
-        //  mTable.setValueAt (e.getNewValue(), row, col, true);
+        	
-           	mTable.setValueAt (e.getNewValue(), row, col);  //  -> dataStatusChanged -> dynamicDisplay
+        	Object newValue = e.getNewValue();
+			Integer newValues[] = null;
+			
+			if (newValue instanceof Integer[])
+			{
+				newValues = ((Integer[])newValue);
+				newValue = newValues[0];
+				
+				if (newValues.length > 1)
+				{
+					Integer valuesCopy[] = new Integer[newValues.length - 1];
+					System.arraycopy(newValues, 1, valuesCopy, 0, valuesCopy.length);
+					newValues = valuesCopy;
+				}
+				else
+				{
+					newValues = null;
+				}
+			}
+			else if (newValue instanceof Object[])
+			{
+				logger.severe("Multiple values can only be processed for IDs (Integer)");
+				throw new IllegalArgumentException("Multiple Selection values not available for this field. " + e.getPropertyName());
+			}
+			
+           	mTable.setValueAt (newValue, row, col);
             //  Force Callout
             if ( e.getPropertyName().equals("S_ResourceAssignment_ID") )
             {
@@ -101,7 +131,86 @@ public class GridTabDataBinder implements ValueChangeListener {
                     gridTab.processFieldChange(mField);     //  Dependencies & Callout
                 }
             }
+            
+			if (newValues != null && newValues.length > 0)
+			{
+				// Save data, since record need to be used for generating clones.
+				if (!gridTab.dataSave(false))
+				{
+					throw new AdempiereException("SaveError");
+				}
+				
+				// Retrieve the current record ID
+				int recordId = gridTab.getKeyID(gridTab.getCurrentRow());
+				
+				Trx trx = Trx.get(Trx.createTrxName(), true);
+				trx.start();
+				try
+				{
+					saveMultipleRecords(Env.getCtx(), gridTab.getTableName(), e.getPropertyName(), recordId, newValues, trx.getTrxName());
+					trx.commit();
+					gridTab.dataRefreshAll();
+				}
+				catch(Exception ex)
+				{
+					trx.rollback();
+					logger.severe(ex.getMessage());
+					throw new AdempiereException("SaveError");
+				}
+				finally
+				{
+					trx.close();
+				}
+			}
         }
 
     } // ValueChange
+	
+	/**************************************************************************
+	 * Save Multiple records - Clone a record and assign new values to each 
+	 * clone for a specific column.
+	 * @param ctx context
+	 * @param tableName Table Name
+	 * @param columnName Column for which value need to be changed
+	 * @param recordId Record to clone
+	 * @param values Values to be assigned to clones for the specified column
+	 * @param trxName Transaction
+	 * @throws Exception If error is occured when loading the PO or saving clones
+	 * 
+	 * @author ashley
+	 */
+	protected void saveMultipleRecords(Properties ctx, String tableName, 
+			String columnName, int recordId, Integer[] values, 
+			String trxName) throws Exception
+	{
+		if (values == null)
+		{
+			return ;
+		}
+		
+		int oldRow = gridTab.getCurrentRow();
+		GridField lineField = gridTab.getField("Line");	
+		
+		for (int i = 0; i < values.length; i++)
+		{
+			if (!gridTab.dataNew(true))
+			{
+				throw new IllegalStateException("Could not clone tab");
+			}
+			
+			gridTab.setValue(columnName, values[i]);
+			
+			if (lineField != null)
+			{
+				gridTab.setValue(lineField, 0);
+			}
+			
+			if (!gridTab.dataSave(false))
+			{
+				throw new IllegalStateException("Could not update tab");
+			}
+			
+			gridTab.setCurrentRow(oldRow);
+		}
+	}
 }