Jface KeyListener가 활성화되지 않았습니다.

Question

Jaff의 검색 상자에 필터를 추가하려고합니다. KeyListener 내부의 keyReleased 메서드는 절대로 활성화되지 않습니다.

유형 새로운 KeyAdapter (에서 (의 KeyEvent)의 keyReleased 방법은) {} 로컬

이 사용되지 않습니다 : 나는이 방법이 경고를 가지고 있기 때문에 "연결", 무언가를 잊고 있다고 생각

package de.vogella.jface.tableviewer; 


import java.awt.event.KeyEvent; 

import org.eclipse.jface.viewers.ArrayContentProvider; 
import org.eclipse.jface.viewers.ColumnLabelProvider; 
import org.eclipse.jface.viewers.TableViewer; 
import org.eclipse.jface.viewers.TableViewerColumn; 
import org.eclipse.swt.SWT; 
import org.eclipse.swt.events.SelectionAdapter; 
import org.eclipse.swt.events.SelectionEvent; 
import org.eclipse.swt.graphics.Image; 
import org.eclipse.swt.layout.GridData; 
import org.eclipse.swt.layout.GridLayout; 
import org.eclipse.swt.widgets.Composite; 
import org.eclipse.swt.widgets.Label; 
import org.eclipse.swt.widgets.Table; 
import org.eclipse.swt.widgets.TableColumn; 
import org.eclipse.swt.widgets.Text; 
import org.eclipse.swt.events.KeyAdapter; 
import org.eclipse.ui.part.ViewPart; 

import de.vogella.jface.tableviewer.edit.AgeEditingSupport; 
import de.vogella.jface.tableviewer.edit.FirstNameEditingSupport; 
import de.vogella.jface.tableviewer.edit.GenderEditingSupport; 
import de.vogella.jface.tableviewer.edit.LastNameEditingSupport; 
import de.vogella.jface.tableviewer.edit.MarriedEditingSupport; 
import de.vogella.jface.tableviewer.filter.PersonFilter; 
import de.vogella.jface.tableviewer.model.ModelProvider; 
import de.vogella.jface.tableviewer.model.Person; 
import de.vogella.jface.tableviewer.sorter.MyViewerComparator; 

public class View extends ViewPart { 

    public static final String ID = "de.vogella.jface.tableviewer.view"; 
    private MyViewerComparator comparator; 
    private PersonFilter filter; 


    private TableViewer viewer; 
    // static fields to hold the images 
    private static final Image CHECKED = Activator.getImageDescriptor(
      "icons/checked.gif").createImage(); 
    private static final Image UNCHECKED = Activator.getImageDescriptor(
      "icons/unchecked.gif").createImage(); 

    public void createPartControl(Composite parent) { 

    GridLayout layout = new GridLayout(2, false); 
    parent.setLayout(layout); 
    Label searchLabel = new Label(parent, SWT.NONE); 
    searchLabel.setText("Search: "); 
    final Text searchText = new Text(parent, SWT.BORDER | SWT.SEARCH); 
    searchText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL 
     | GridData.HORIZONTAL_ALIGN_FILL)); 
    createViewer(parent); 
    // Set the sorter for the table 
    comparator = new MyViewerComparator(); 
    viewer.setComparator(comparator); 

    // New to support the search 
    searchText.addKeyListener(new KeyAdapter() { 

     public void keyReleased(KeyEvent ke) { 

     filter.setSearchText(searchText.getText()); 
     viewer.refresh(); 
     } 
    }); 

    filter = new PersonFilter(); 
    viewer.addFilter(filter); 
    } 

    private void createViewer(Composite parent) { 

    viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL 
     | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER); 
    createColumns(parent, viewer); 
    final Table table = viewer.getTable(); 
    table.setHeaderVisible(true); 
    table.setLinesVisible(true); 

    viewer.setContentProvider(new ArrayContentProvider()); 
    // get the content for the viewer, setInput will call getElements in the 
    // contentProvider 
    viewer.setInput(ModelProvider.INSTANCE.getPersons()); 
    // make the selection available to other views 
    getSite().setSelectionProvider(viewer); 
    // set the sorter for the table 

    // define layout for the viewer 
    GridData gridData = new GridData(); 
    gridData.verticalAlignment = GridData.BEGINNING; 
    gridData.horizontalSpan = 2; 
    gridData.grabExcessHorizontalSpace = false; 
    gridData.grabExcessVerticalSpace = false; 
    gridData.horizontalAlignment = GridData.BEGINNING; 
    viewer.getControl().setLayoutData(gridData); 
    } 

    public TableViewer getViewer() { 

    return viewer; 
    } 

    // create the columns for the table 
    private void createColumns(final Composite parent, final TableViewer viewer) { 

    String[] titles = { "First name", "Last name", "Gender", "Married", "Age" }; 
    int[] bounds = { 112, 112, 112, 112, 112 }; 

    // first column is for the first name 
    TableViewerColumn col = createTableViewerColumn(titles[0], bounds[0], 0); 
    col.setLabelProvider(new ColumnLabelProvider() { 

     @Override 
     public String getText(Object element) { 

     Person p = (Person) element; 

     return p.getFirstName(); 
     } 
    }); 

    col.setEditingSupport(new FirstNameEditingSupport(viewer)); 


    // second column is for the last name 
    col = createTableViewerColumn(titles[1], bounds[1], 1); 
    col.setLabelProvider(new ColumnLabelProvider() { 

     @Override 
     public String getText(Object element) { 

     Person p = (Person) element; 

     return p.getLastName(); 
     } 
    }); 

    col.setEditingSupport(new LastNameEditingSupport(viewer)); 


    // now the gender 
    col = createTableViewerColumn(titles[2], bounds[2], 2); 
    col.setLabelProvider(new ColumnLabelProvider() { 

     @Override 
     public String getText(Object element) { 

     Person p = (Person) element; 

     return p.getGender(); 
     } 
    }); 

    col.setEditingSupport(new GenderEditingSupport(viewer)); 


    // now the status married 
    col = createTableViewerColumn(titles[3], bounds[3], 3); 
    col.setLabelProvider(new CenterImageLabelProvider() { 

     @Override 
     public Image getImage(Object element) { 

     if (((Person) element).isMarried()) { 

      return CHECKED; 
     } 
     else { 

      return UNCHECKED; 
     } 
     } 
    }); 

    col.setEditingSupport(new MarriedEditingSupport(viewer)); 


    // now the age 
    col = createTableViewerColumn(titles[4], bounds[4], 4); 
    col.setLabelProvider(new ColumnLabelProvider() { 

     @Override 
     public String getText(Object element) { 

      Person p = (Person) element; 

      return p.getAge().toString(); 
     } 
    }); 

    col.setEditingSupport(new AgeEditingSupport(viewer)); 

    } 

    private TableViewerColumn createTableViewerColumn(String title, 
      int bound, final int colNumber) { 

    final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, 
     SWT.CENTER); 
    final TableColumn column = viewerColumn.getColumn(); 
    column.setText(title); 
    column.setWidth(bound); 
    column.setResizable(true); 
    column.setMoveable(true); 
    column.addSelectionListener(getSelectionAdapter(column, colNumber)); 

    return viewerColumn; 
    } 

private SelectionAdapter getSelectionAdapter(final TableColumn column, 
      final int index) { 

       SelectionAdapter selectionAdapter = new SelectionAdapter() { 

        @Override 
        public void widgetSelected(SelectionEvent e) { 

        comparator.setColumn(index); 
        int dir = comparator.getDirection(); 
        viewer.getTable().setSortDirection(dir); 
        viewer.getTable().setSortColumn(column); 
        viewer.refresh(); 
        } 
       }; 

    return selectionAdapter; 
    } 

    public void setFocus() { 

    viewer.getControl().setFocus(); 
    } 
} 

Answer 1

당신은 당신의 수입 잘못된 KeyEvent이 - 당신이 org.eclipse.swt.events.KeyEvent하지java.awt.event.KeyEvent 필요 : 내보기 클래스의 코드입니다.