archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/JDBCDriverTableViewer.java

   1 package com.quantum.view;
   2
   3 import java.beans.PropertyChangeEvent;
   4 import java.beans.PropertyChangeListener;
   5 import java.util.ArrayList;
   6 import java.util.Collections;
   7 import java.util.Iterator;
   8 import java.util.List;
   9
  10 import org.eclipse.jface.viewers.ILabelProviderListener;
  11 import org.eclipse.jface.viewers.ISelection;
  12 import org.eclipse.jface.viewers.ISelectionChangedListener;
  13 import org.eclipse.jface.viewers.ISelectionProvider;
  14 import org.eclipse.jface.viewers.IStructuredContentProvider;
  15 import org.eclipse.jface.viewers.ITableLabelProvider;
  16 import org.eclipse.jface.viewers.SelectionChangedEvent;
  17 import org.eclipse.jface.viewers.TableViewer;
  18 import org.eclipse.jface.viewers.Viewer;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.graphics.Image;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Control;
  23 import org.eclipse.swt.widgets.Table;
  24 import org.eclipse.swt.widgets.TableColumn;
  25
  26 import com.quantum.Messages;
  27 import com.quantum.QuantumPlugin;
  28 import com.quantum.adapters.AdapterFactory;
  29 import com.quantum.model.BookmarkCollection;
  30 import com.quantum.model.JDBCDriver;
  31
  32
  33 /**
  34  * @author BC
  35  */
  36 public class JDBCDriverTableViewer implements PropertyChangeListener, ISelectionProvider {
  37
  38         public class LabelProviderImpl implements ITableLabelProvider {
  39                 public Image getColumnImage(Object element, int columnIndex) {
  40                         if (columnIndex == 0) {
  41                                 return QuantumPlugin.getImage("driver.gif");
  42                         } else {
  43                                 return null;
  44                         }
  45                 }
  46                 public String getColumnText(Object element, int columnIndex) {
  47                         String result = null;
  48                         switch (columnIndex) {
  49                         case 0:
  50                                 result = ((JDBCDriver) element).getName();
  51                                 break;
  52                         case 1:
  53                                 result = ((JDBCDriver) element).getClassName();
  54                                 break;
  55                         case 2:
  56                                 String type = ((JDBCDriver) element).getType();
  57                                 result = AdapterFactory.getInstance().getAdapter(type).getDisplayName();
  58                                 break;
  59                         case 3:
  60                                 result = ((JDBCDriver) element).getVersion();
  61                                 break;
  62                         case 4:
  63                                 result = ((JDBCDriver) element).getJarFileName();
  64                                 break;
  65                         default:
  66                         }
  67                         return result == null ? "" : result;
  68                 }
  69                 public void addListener(ILabelProviderListener listener) {
  70                 }
  71                 public void dispose() {
  72                 }
  73                 public boolean isLabelProperty(Object element, String property) {
  74                         return false;
  75                 }
  76                 public void removeListener(ILabelProviderListener listener) {
  77                 }
  78         }
  79
  80         public class ContentProviderImpl implements IStructuredContentProvider {
  81                 public void dispose() {
  82                 }
  83                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  84                 }
  85                 public Object[] getElements(Object inputElement) {
  86                         if (inputElement == BookmarkCollection.getInstance()) {
  87                                 return BookmarkCollection.getInstance().getJDBCDrivers();
  88                         } else {
  89                                 return null;
  90                         }
  91                 }
  92         }
  93
  94         private TableViewer tableViewer;
  95         private List listeners = Collections.synchronizedList(new ArrayList());
  96
  97         public JDBCDriverTableViewer(Composite container) {
  98                 Table table = new Table(container, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
  99         table.setHeaderVisible(true);
 100         for (int i = 0, length = 5; i < length; i++) {
 101             TableColumn column = new TableColumn(table, SWT.NONE);
 102             column.setText(Messages.getString(getClass(), "driverColumn" + i));
 103         }
 104
 105         for (int i = 0, length = table.getColumnCount(); i < length; i++) {
 106             table.getColumn(i).pack();
 107         }
 108
 109                 this.tableViewer = new TableViewer(table);
 110                 this.tableViewer.setContentProvider(new ContentProviderImpl());
 111                 this.tableViewer.setLabelProvider(new LabelProviderImpl());
 112                 this.tableViewer.setColumnProperties(new String[] { "name", "className", "driverType", "version", "jarFileName" });
 113                 this.tableViewer.setInput(BookmarkCollection.getInstance());
 114
 115                 this.tableViewer.addSelectionChangedListener(new ISelectionChangedListener(){
 116                         public void selectionChanged(SelectionChangedEvent event) {
 117                                 fireSelectionChangedEvent(event.getSelection());
 118                         }
 119                 });
 120
 121                 BookmarkCollection.getInstance().addPropertyChangeListener(this);
 122                 registerWithAllDrivers();
 123         }
 124         /**
 125          *
 126          */
 127         private void registerWithAllDrivers() {
 128                 JDBCDriver[] drivers = BookmarkCollection.getInstance().getJDBCDrivers();
 129                 for (int i = 0, length = drivers == null ? 0 : drivers.length; i < length; i++) {
 130                         drivers[i].removePropertyChangeListener(this);
 131                         drivers[i].addPropertyChangeListener(this);
 132                 }
 133         }
 134         /**
 135          * @return
 136          */
 137         public Control getControl() {
 138                 return this.tableViewer.getControl();
 139         }
 140         public void propertyChange(PropertyChangeEvent event) {
 141                 if ("drivers".equals(event.getPropertyName())) {
 142                         registerWithAllDrivers();
 143                         if (!this.tableViewer.getControl().isDisposed()) {
 144                                 this.tableViewer.refresh();
 145                         }
 146                 } else if (event.getSource() instanceof JDBCDriver) {
 147                         if (!this.tableViewer.getControl().isDisposed()) {
 148                                 this.tableViewer.refresh(event.getSource());
 149                         }
 150                 }
 151         }
 152
 153         public void dispose() {
 154                 JDBCDriver[] drivers = BookmarkCollection.getInstance().getJDBCDrivers();
 155                 for (int i = 0, length = drivers == null ? 0 : drivers.length; i < length; i++) {
 156                         drivers[i].removePropertyChangeListener(this);
 157                 }
 158                 BookmarkCollection.getInstance().removePropertyChangeListener(this);
 159         }
 160         public void addSelectionChangedListener(ISelectionChangedListener listener) {
 161                 if (!this.listeners.contains(listener)) {
 162                         this.listeners.add(listener);
 163                 }
 164         }
 165         public ISelection getSelection() {
 166                 return this.tableViewer == null ? null : this.tableViewer.getSelection();
 167         }
 168         public void removeSelectionChangedListener(ISelectionChangedListener listener) {
 169                 this.listeners.remove(listener);
 170         }
 171         public void setSelection(ISelection selection) {
 172         }
 173         /**
 174          * @param selection
 175          */
 176         protected void fireSelectionChangedEvent(ISelection selection) {
 177                 for (Iterator i = this.listeners.iterator(); selection != null && i.hasNext();) {
 178                         ISelectionChangedListener listener = (ISelectionChangedListener) i.next();
 179                         listener.selectionChanged(new SelectionChangedEvent(this, selection));
 180                 }
 181         }
 182 }