Examples of org.eclipse.jface.viewers.Viewer

org.eclipse.jface.viewers.Viewer
A viewer is a model-based adapter on a widget.
A viewer can be created as an adapter on a pre-existing control (e.g., creating a ListViewer on an existing List control). All viewers also provide a convenience constructor for creating the control.

Implementing a concrete viewer typically involves the following steps:
- create SWT controls for viewer (in constructor) (optional)
- initialize SWT controls from input (inputChanged)
- define viewer-specific update methods
- support selections (setSelection, getSelection)

  /*
   * Tests for GitModelBlob
   */
  @Test public void blobShouldBeGreaterThanWorkingTree() {
    // given
    Viewer viewer = mock(Viewer.class);
    GitChangeSetSorter sorter = new GitChangeSetSorter();
    GitModelBlob blob = mock(GitModelBlob.class);
    GitModelWorkingTree workingTree = mock(GitModelWorkingTree.class);


    // when

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    assertTrue(actual > 0);
  }


  @Test public void blobShouldBeGreaterThanCache() {
    // given
    Viewer viewer = mock(Viewer.class);
    GitChangeSetSorter sorter = new GitChangeSetSorter();
    GitModelBlob blob = mock(GitModelBlob.class);
    GitModelCache cache = mock(GitModelCache.class);


    // when

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    assertTrue(actual > 0);
  }


  @Test public void blobShouldBeGreaterThanCommit() {
    // given
    Viewer viewer = mock(Viewer.class);
    GitChangeSetSorter sorter = new GitChangeSetSorter();
    GitModelBlob blob = mock(GitModelBlob.class);
    GitModelCommit commit = mock(GitModelCommit.class);


    // when

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    assertTrue(actual > 0);
  }


  @Test public void blobShouldBeGreaterThanTree() {
    // given
    Viewer viewer = mock(Viewer.class);
    GitChangeSetSorter sorter = new GitChangeSetSorter();
    GitModelBlob blob = mock(GitModelBlob.class);
    GitModelTree tree = mock(GitModelTree.class);


    // when

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  /*
   * Test for commit chronological order
   */
  @Test public void shouldOrderCommitsByCommitDate() {
    // given
    Viewer viewer = mock(Viewer.class);
    GitChangeSetSorter sorter = new GitChangeSetSorter();
    GitModelCommit commit1 = mock(GitModelCommit.class);
    GitModelCommit commit2 = mock(GitModelCommit.class);
    Commit mockCommit1 = mock(Commit.class);
    Commit mockCommit2 = mock(Commit.class);

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  @Override
  protected void doAction(Object element) throws DebugException {
    PHPProjectPreferences.changeSortByNameStatus();
    initLabel();
    if (getView() instanceof IDebugView) {
      final Viewer viewer = ((IDebugView) getView()).getViewer();
      if (viewer.getControl().isDisposed()) {
        return;
      }


      BusyIndicator.showWhile(viewer.getControl().getDisplay(),
          new Runnable() {
            public void run() {
              viewer.refresh();
            }
          });
    }


  }

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    }
    return this.provider;
  }


  protected void handleOpen(OpenEvent event) {
    Viewer viewer= event.getViewer();
    ISelection sel= event.getSelection();
    if (viewer instanceof TreeViewer && sel instanceof IStructuredSelection) {
      IStructuredSelection selection= (IStructuredSelection) sel;
      Object element = selection.getFirstElement();
      if (getDisplayedMatches(element).length != 0) {

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