Attachment 221074 Details for Bug 389587 – Code demonstrating the problem

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Code demonstrating the problem

ComboTest.java (text/x-java), 2.57 KB, created by David North

on 2012-09-14 05:34:45 EDT

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Filename:

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Creator: David North

Created: 2012-09-14 05:34:45 EDT

Size: 2.57 KB

patch

obsolete

>package com.corefiling.eclipse.property.impl;
>
>import org.eclipse.jface.viewers.ArrayContentProvider;
>import org.eclipse.jface.viewers.ComboViewer;
>import org.eclipse.jface.viewers.ISelectionChangedListener;
>import org.eclipse.jface.viewers.LabelProvider;
>import org.eclipse.jface.viewers.SelectionChangedEvent;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.MenuDetectEvent;
>import org.eclipse.swt.events.MenuDetectListener;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Shell;
>
>public class ComboTest {
>
>  private static boolean _treatNextModifyAsTextualEdit = false;
>
>  private static ComboViewer createViewer(final Shell shell) {
>    final ComboViewer v = new ComboViewer(shell, SWT.DROP_DOWN);
>    v.setLabelProvider(new LabelProvider());
>    v.setContentProvider(new ArrayContentProvider());
>    v.setInput(new String[]{"value 1", "value 2"});
>    return v;
>  }
>
>  public static void main(final String[] args) {
>    Display display = new Display(); Shell shell = new Shell(display); shell.setSize(200, 60); shell.setLayout(new GridLayout());
>
>    final ComboViewer v = createViewer(shell);
>
>    // This wires up the userSelectedSomething method correctly
>    v.addSelectionChangedListener(new ISelectionChangedListener() {
>      @Override
>      public void selectionChanged(final SelectionChangedEvent event) {
>        userSelectedSomething();
>      }
>    });
>
>    v.getCombo().addListener(SWT.KeyUp, new Listener() {
>      @Override
>      public void handleEvent(final Event e) {
>        userTypedOrOtherwiseEditedText();
>      }
>    });
>
>    v.getCombo().addListener(SWT.Modify, new Listener() {
>      @Override
>      public void handleEvent(final Event event) {
>        try {
>          if (_treatNextModifyAsTextualEdit) {
>            userTypedOrOtherwiseEditedText();
>          }
>        }
>        finally {
>          _treatNextModifyAsTextualEdit = false;
>        }
>      }
>    });
>
>    v.getCombo().addMenuDetectListener(new MenuDetectListener() {
>      @Override
>      public void menuDetected(final MenuDetectEvent e) {
>        _treatNextModifyAsTextualEdit = true;
>      }
>    });
>
>    shell.open();
>    while (!shell.isDisposed()) {
>      if (!display.readAndDispatch()) {
>        display.sleep();
>      }
>    }
>    display.dispose();
>  }
>
>  public static void userSelectedSomething() {
>    System.err.println("User selected something");
>  }
>
>  public static void userTypedOrOtherwiseEditedText() {
>    System.err.println("User typed something");
>  }
>
>}

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Attachments on bug 389587: 221074