package com.quantum.view; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.ISelectionProvider; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import com.quantum.Messages; import com.quantum.QuantumPlugin; import com.quantum.adapters.AdapterFactory; import com.quantum.model.BookmarkCollection; import com.quantum.model.JDBCDriver; /** * @author BC */ public class JDBCDriverTableViewer implements PropertyChangeListener, ISelectionProvider { public class LabelProviderImpl implements ITableLabelProvider { public Image getColumnImage(Object element, int columnIndex) { if (columnIndex == 0) { return QuantumPlugin.getImage("driver.gif"); } else { return null; } } public String getColumnText(Object element, int columnIndex) { String result = null; switch (columnIndex) { case 0: result = ((JDBCDriver) element).getName(); break; case 1: result = ((JDBCDriver) element).getClassName(); break; case 2: String type = ((JDBCDriver) element).getType(); result = AdapterFactory.getInstance().getAdapter(type).getDisplayName(); break; case 3: result = ((JDBCDriver) element).getVersion(); break; case 4: result = ((JDBCDriver) element).getJarFileName(); break; default: } return result == null ? "" : result; } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } } public class ContentProviderImpl implements IStructuredContentProvider { public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public Object[] getElements(Object inputElement) { if (inputElement == BookmarkCollection.getInstance()) { return BookmarkCollection.getInstance().getJDBCDrivers(); } else { return null; } } } private TableViewer tableViewer; private List listeners = Collections.synchronizedList(new ArrayList()); public JDBCDriverTableViewer(Composite container) { Table table = new Table(container, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER); table.setHeaderVisible(true); for (int i = 0, length = 5; i < length; i++) { TableColumn column = new TableColumn(table, SWT.NONE); column.setText(Messages.getString(getClass(), "driverColumn" + i)); } for (int i = 0, length = table.getColumnCount(); i < length; i++) { table.getColumn(i).pack(); } this.tableViewer = new TableViewer(table); this.tableViewer.setContentProvider(new ContentProviderImpl()); this.tableViewer.setLabelProvider(new LabelProviderImpl()); this.tableViewer.setColumnProperties(new String[] { "name", "className", "driverType", "version", "jarFileName" }); this.tableViewer.setInput(BookmarkCollection.getInstance()); this.tableViewer.addSelectionChangedListener(new ISelectionChangedListener(){ public void selectionChanged(SelectionChangedEvent event) { fireSelectionChangedEvent(event.getSelection()); } }); BookmarkCollection.getInstance().addPropertyChangeListener(this); registerWithAllDrivers(); } /** * */ private void registerWithAllDrivers() { JDBCDriver[] drivers = BookmarkCollection.getInstance().getJDBCDrivers(); for (int i = 0, length = drivers == null ? 0 : drivers.length; i < length; i++) { drivers[i].removePropertyChangeListener(this); drivers[i].addPropertyChangeListener(this); } } /** * @return */ public Control getControl() { return this.tableViewer.getControl(); } public void propertyChange(PropertyChangeEvent event) { if ("drivers".equals(event.getPropertyName())) { registerWithAllDrivers(); if (!this.tableViewer.getControl().isDisposed()) { this.tableViewer.refresh(); } } else if (event.getSource() instanceof JDBCDriver) { if (!this.tableViewer.getControl().isDisposed()) { this.tableViewer.refresh(event.getSource()); } } } public void dispose() { JDBCDriver[] drivers = BookmarkCollection.getInstance().getJDBCDrivers(); for (int i = 0, length = drivers == null ? 0 : drivers.length; i < length; i++) { drivers[i].removePropertyChangeListener(this); } BookmarkCollection.getInstance().removePropertyChangeListener(this); } public void addSelectionChangedListener(ISelectionChangedListener listener) { if (!this.listeners.contains(listener)) { this.listeners.add(listener); } } public ISelection getSelection() { return this.tableViewer == null ? null : this.tableViewer.getSelection(); } public void removeSelectionChangedListener(ISelectionChangedListener listener) { this.listeners.remove(listener); } public void setSelection(ISelection selection) { } /** * @param selection */ protected void fireSelectionChangedEvent(ISelection selection) { for (Iterator i = this.listeners.iterator(); selection != null && i.hasNext();) { ISelectionChangedListener listener = (ISelectionChangedListener) i.next(); listener.selectionChanged(new SelectionChangedEvent(this, selection)); } } }