Java TreeColumn.addSelectionListener方法代碼示例

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
private TreeViewerColumn createTreeViewerColumn(String title, int width, int alignment,  boolean resizable, boolean moveable, final boolean isNumber) {
	final TreeViewerColumn viewerColumn = new TreeViewerColumn(viewer, SWT.NONE);
	final TreeColumn column = viewerColumn.getColumn();
	column.setText(title);
	column.setAlignment(alignment);
	column.setMoveable(moveable);
	columnLayout.setColumnData(column, new ColumnPixelData(width, resizable));
	column.setData("isNumber", isNumber);
	column.addSelectionListener(new SelectionAdapter() {
		public void widgetSelected(SelectionEvent e) {
			TreeLabelSorter sorter = (TreeLabelSorter) viewer.getComparator();
			TreeColumn selectedColumn = (TreeColumn) e.widget;
			sorter.setColumn(selectedColumn);
		}
	});
	return viewerColumn;
}
 

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
/**
 * Init tree sorter
 */
private void initTreeSorter(){
	if(this.viewer.getTree().getColumnCount() == 0){
		Activator.logError("Can't init TreeSorter. Tree has no columns.");
		return;
	}
	RepoViewSorter repoViewSorter = new RepoViewSorter();
	viewer.setSorter(repoViewSorter);
	viewer.getTree().setSortColumn(viewer.getTree().getColumn(0));
	viewer.getTree().setSortDirection(SWT.UP);
	viewer.refresh();

	TreeColumn[] cols = viewer.getTree().getColumns();
	for(final TreeColumn item : cols){
		item.addSelectionListener(this.selListener);
	}
}
 

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
private void configSorters(Tree tree) {
  int index = 0;
  for (TreeColumn column : tree.getColumns()) {
    final int colIndex = index++;

    column.addSelectionListener(new SelectionAdapter() {
      @Override
      public void widgetSelected(SelectionEvent event) {
        updateSortColumn((TreeColumn) event.widget, colIndex);
      }
    });
  }
}
 

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
/**
 * Creates the columns for the history table.
 */
private void createColumns(Tree tree, TableLayout layout) {
	SelectionListener headerListener = new SelectionAdapter() {
		public void widgetSelected(SelectionEvent e) {
			int column = viewer.getTree().indexOf((TreeColumn) e.widget);
			HistoryComparator oldSorter = (HistoryComparator) viewer.getComparator();
			TreeColumn treeColumn = ((TreeColumn)e.widget);
			if (oldSorter != null && column == oldSorter.getColumnNumber()) {
				oldSorter.setReversed(!oldSorter.isReversed());
				viewer.getTree().setSortColumn(treeColumn);
				viewer.getTree().setSortDirection(oldSorter.isReversed() ? SWT.DOWN : SWT.UP);
				viewer.refresh();
			} else {
				viewer.getTree().setSortColumn(treeColumn);
				viewer.getTree().setSortDirection(SWT.UP);
				viewer.setComparator(new HistoryComparator(column));
			}
		}
	};
	
	// file name
	TreeColumn nameCol = new TreeColumn(tree, SWT.NONE);
	nameCol.setResizable(true);
	nameCol.setText(HistoryMessages.GenericHistoryTableProvider_FileName);
	nameCol.addSelectionListener(headerListener);
	
	// creation date
	TreeColumn dateCol = new TreeColumn(tree, SWT.NONE);
	dateCol.setResizable(true);
	dateCol.setText(TeamUIMessages.GenericHistoryTableProvider_RevisionTime);
	dateCol.addSelectionListener(headerListener);
	
	layout.addColumnData(new ColumnWeightData(15, true));
	layout.addColumnData(new ColumnWeightData(10, true));
}
 

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
/**
 * 創建包含過濾文本的 TreeViewer
 * @param parent
 *            頂層容器 ;
 */
private void createFilterControls(Composite parent) {

	fFilteredTree = new FilteredTree(parent, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION, new PatternFilter(), true);

	GridData gridData;
	final GridLayout layout = new GridLayout(1, false);
	layout.marginWidth = 0;
	fFilteredTree.setLayout(layout);
	gridData = new GridData();
	gridData.grabExcessHorizontalSpace = true;
	gridData.grabExcessVerticalSpace = true;
	gridData.horizontalAlignment = SWT.FILL;
	gridData.verticalAlignment = SWT.FILL;
	fFilteredTree.setLayoutData(gridData);

	final TreeViewer viewer = fFilteredTree.getViewer();
	// 確保 filtered tree 有顯示 ITEMS_TO_SHOW 的高度
	final Tree tree = viewer.getTree();
	tree.setHeaderVisible(true);
	tree.setLinesVisible(true);
	final Object layoutData = tree.getLayoutData();
	if (layoutData instanceof GridData) {
		gridData = (GridData) layoutData;
		gridData.heightHint = parent.getSize().y; // 適應大小
	}

	LanguageCodeComparator comparator = new LanguageCodeComparator();

	final TreeColumn codeColumn = new TreeColumn(tree, SWT.LEFT, LANGUAGE_CODE_COLUMN);
	codeColumn.setText(Messages.getString("languagecode.LanguageCodesPreferencePage.codeColumn"));
	tree.setSortColumn(codeColumn);
	tree.setSortColumn(codeColumn);
	tree.setSortDirection(SWT.UP);
	codeColumn.addSelectionListener(new ResortColumn(comparator, codeColumn, viewer, LANGUAGE_CODE_COLUMN));

	final TreeColumn nameColumn = new TreeColumn(tree, SWT.LEFT, LANGUAGE_NAME_COLUMN);
	nameColumn.setText(Messages.getString("languagecode.LanguageCodesPreferencePage.nameColumn"));
	nameColumn.addSelectionListener(new ResortColumn(comparator, nameColumn, viewer, LANGUAGE_NAME_COLUMN));

	final TreeColumn bidiColumn = new TreeColumn(tree, SWT.LEFT, LANGUAGE_BIDI_COLUMN);
	bidiColumn.setText(Messages.getString("languagecode.LanguageCodesPreferencePage.bidiColumn"));
	bidiColumn.addSelectionListener(new ResortColumn(comparator, bidiColumn, viewer, LANGUAGE_BIDI_COLUMN));

	viewer.setContentProvider(new LanguageCodeContentProvider());
	viewer.setLabelProvider(new LanguageCodeLabelProvider());
	viewer.setComparator(comparator);
	viewer.addDoubleClickListener(new IDoubleClickListener() {

		public void doubleClick(DoubleClickEvent event) {
			verifyCurrentSelected(EDIT);
		}
	});

	fFilteredTree.getPatternFilter().setIncludeLeadingWildcard(true);
	final TreeColumn[] columns = viewer.getTree().getColumns();

	columns[LANGUAGE_CODE_COLUMN].setWidth(100);
	columns[LANGUAGE_NAME_COLUMN].setWidth(240);
	columns[LANGUAGE_BIDI_COLUMN].setWidth(100);
}
 

import org.eclipse.swt.widgets.TreeColumn; //導入方法依賴的package包/類
private void createColumns() {
  GC gc = new GC(getTree().getParent());

  List<Integer> widths = new ArrayList<Integer>();

  for (final IGenericTableColumn c : table.getColumns()) {
    TreeViewerColumn viewerColumn = new TreeViewerColumn(this, SWT.NONE);

    viewerColumn.setLabelProvider(new GenericLabelProvider(c
        .getDataProvider()));

    if (c.getEditable()) {
      viewerColumn.setEditingSupport(c.getEditingSupport(this));
    }

    TreeColumn column = viewerColumn.getColumn();

    if (c.getSortable() && comparator != null) {
      column.addSelectionListener(getSelectionAdapter(column, c));
    }
    column.setText(c.getLabel());
    column.setAlignment(c.getAlignMent());

    int width;
    if (c.getWidth() != -1) {
      width = c.getWidth();
    }
    else if (c.getTextExtent() != null
        && c.getLabel().length() < c.getTextExtent().length()) {
      width = gc.textExtent(c.getTextExtent()).x + 2;
    }
    else {
      width = gc.textExtent(c.getLabel()).x + 2;
    }

    widths.add(width);
    column.setWidth(width);
    column.setResizable(c.getResizable());
  }
  gc.dispose();

  // /* All columns have their prefered width set now calculate percentages */
  // TreeColumnLayout layout = new TreeColumnLayout();
  // for (int i = 0; i < widths.size(); i++) {
  // layout.setColumnData(getTree().getColumns()[i], new ColumnWeightData(
  // widths.get(i), widths.get(i), true));
  // }
  // getTree().getParent().setLayout(layout);
}