本文整理了Java中org.eclipse.swt.widgets.Tree.isDisposed()方法的一些代码示例，展示了Tree.isDisposed()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Tree.isDisposed()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Tree
类名称：Tree
方法名：isDisposed

Tree.isDisposed介绍

暂无

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

public void changeLooks() {
 if ( !selectionTree.isDisposed() ) {
  props.setLook( selectionTree );
 }
 props.setLook( tabfolder.getSwtTabset(), Props.WIDGET_STYLE_TAB );
 refreshTree();
 refreshGraph();
}

代码示例来源：origin: pentaho/pentaho-kettle

List<TreeSelection> objects = new ArrayList<TreeSelection>();
if ( selectionTree != null && !selectionTree.isDisposed() && tree.equals( selectionTree ) ) {
 TreeItem[] selection = selectionTree.getSelection();
 for ( int s = 0; s < selection.length; s++ ) {

代码示例来源：origin: pentaho/pentaho-kettle

if ( coreObjectsTree == null || coreObjectsTree.isDisposed() ) {
 addCoreObjectsTree();

代码示例来源：origin: pentaho/pentaho-kettle

designTreeToolbar.setSearchPlaceholder( BaseMessages.getString( PKG, "Spoon.SelectionFilter.Placeholder" ) );
designTreeToolbar.addSearchModifyListener( modifyEvent -> {
 if ( coreObjectsTree != null && !coreObjectsTree.isDisposed() ) {
  previousShowTrans = false;
  previousShowJob = false;

代码示例来源：origin: pentaho/pentaho-kettle

private synchronized void refreshView() {
 if ( wTree.isDisposed() ) {
  return;

代码示例来源：origin: inspectIT/inspectIT

/**
 * Returns true if the tree in the sub-view is disposed. False otherwise.
 *
 * @return Returns true if the tree in the sub-view is disposed. False otherwise.
 */
private boolean checkDisposed() {
  return treeViewer.getTree().isDisposed();
}

代码示例来源：origin: org.eclipse.xtext/ui

public void run() {
    if (!treeViewer.getTree().isDisposed()) {
      Object[] expandedElements = treeViewer.getExpandedElements();
      for (Object expandedElement : expandedElements) {
        if (!(expandedElement instanceof IOutlineNode))
          LOG.error("Content outline contains illegal node " + expandedElement);
        else
          expandedNodes.add((IOutlineNode) expandedElement);
      }
    }
  }
});

代码示例来源：origin: org.eclipse.xtext/ui

@Override
protected void stateChanged(boolean newState) {
  if(treeViewer != null && !treeViewer.getTree().isDisposed())
    treeViewer.refresh();
}

代码示例来源：origin: org.eclipse.xtext/ui

@Override
protected void stateChanged(boolean newState) {
  if(treeViewer != null && !treeViewer.getTree().isDisposed()) 
    treeViewer.refresh();
}

代码示例来源：origin: org.eclipse.pde/org.eclipse.pde.ui

@Override
  public void done(IJobChangeEvent event) {
    getDisplay().asyncExec(() -> {
      if (checkboxViewer.getTree().isDisposed())
        return;
      checkboxViewer.restoreLeafCheckState();
      });
  }
});

代码示例来源：origin: org.eclipse.pde/org.eclipse.pde.ui

@Override
public void stateChanged(final State newState) {
  if (!this.equals(fView.getCurrentPage()) || fTreeViewer == null || fTreeViewer.getTree().isDisposed())
    // if this page is not active, then wait until we call refresh on next activation
    return;
  fTreeViewer.getTree().getDisplay().asyncExec(() -> fTreeViewer.setInput(newState));
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

@Override
public void layout () {
  if (tree == null || tree.isDisposed()) return;
  if (item == null || item.isDisposed()) return;
  int columnCount = tree.getColumnCount();
  if (columnCount == 0 && column != 0) return;
  if (columnCount > 0 && (column < 0 || column >= columnCount)) return;
  super.layout();
}
}

代码示例来源：origin: BiglySoftware/BiglyBT

private void updateLanguage() {
  if (tree == null || tree.isDisposed()) {
    return;
  }
  TreeItem[] selection = tree.getSelection();
  if (selection != null && selection.length > 0) {
    updateHeader(selection[0]);
  }
  if (swtView != null) {
   swtView.setTitle(getFullTitle());
 }
}

代码示例来源：origin: org.eclipse.xtext/ui

public void register(OutlinePage outlinePage) {
  for(IOutlineContribution contribution: contributions)
    contribution.register(outlinePage);
  TreeViewer treeViewer = outlinePage.getTreeViewer();
  if(!treeViewer.getTree().isDisposed()) 
    treeViewer.refresh();
}

代码示例来源：origin: org.eclipse.pde/org.eclipse.pde.ui

@Override
public void modelsChanged(PluginModelDelta delta) {
  if (fTreeViewer == null || fTreeViewer.getTree().isDisposed())
    return;
  if (delta.getAddedEntries().length > 0 || delta.getChangedEntries().length > 0 || delta.getRemovedEntries().length > 0)
    fTreeViewer.getTree().getDisplay().asyncExec(() -> fTreeViewer.refresh());
}

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

void collapseItem_collapseChildren (long /*int*/ id, long /*int*/ sel, long /*int*/ itemID, boolean children) {
  TreeItem item = (TreeItem)display.getWidget(itemID);
  if (item == null) return;
  if (!ignoreExpand) item.sendExpand (false, children);
  ignoreExpand = true;
  super.collapseItem_collapseChildren (id, sel, itemID, children);
  ignoreExpand = false;
  if (isDisposed() || item.isDisposed()) return;
  setScrollWidth ();
}

代码示例来源：origin: org.eclipse.pde/org.eclipse.pde.runtime

void refresh(Object[] objects) {
  if (fTreeViewer.getTree().isDisposed())
    return;
  if (filtersEnabled()) {
    deferredRefresh();
  } else {
    for (Object object : objects) {
      fTreeViewer.refresh(object);
    }
  }
  updateTitle();
}

代码示例来源：origin: org.eclipse.mylyn.commons/workbench

@Override
  public void done(IJobChangeEvent event) {
    if (event.getResult() != null && event.getResult().isOK() && !getViewer().getTree().isDisposed()) {
      getViewer().setCheckedElements(selectedValues.toArray());
    }
  }
});

代码示例来源：origin: org.eclipse.equinox.p2/ui

protected void refreshViewer() {
    final TreeViewer treeViewer = filteredTree.getViewer();
    final Tree tree = treeViewer.getTree();
    IWorkbench workbench = PlatformUI.getWorkbench();
    if (workbench.isClosing())
      return;
    if (tree != null && !tree.isDisposed()) {
      updateAvailableViewState();
    }
  }
};

代码示例来源：origin: org.eclipse.pde/org.eclipse.pde.runtime

void refresh(Object object) {
  if (fTreeViewer.getTree().isDisposed())
    return;
  if (filtersEnabled()) {
    deferredRefresh();
  } else {
    fTreeViewer.refresh(object);
    updateTitle();
  }
}