通过TreeColumn实现“表格树”TableTree

通过treecolumn的方式实现表格树，实现过很多次，但是每次都得自己写一遍，今天记录下来，以后捡现成的。

 

final TreeViewer viewer = new TreeViewer(shell, SWT.FULL_SELECTION);
        viewer.getTree().setHeaderVisible(true);
        TreeColumn column = new TreeColumn(viewer.getTree(), SWT.LEFT);
        column.setText("Name");
        column.setWidth(200);
        column = new TreeColumn(viewer.getTree(), SWT.LEFT);
        column.setText("Size");
        column.setWidth(100);
        column = new TreeColumn(viewer.getTree(), SWT.LEFT);
        column.setText("Hidden");
        column.setWidth(100);
        viewer.setContentProvider(new MyTreeContenetProvider());
        viewer.setLabelProvider(new MyTableLableProvider());
        viewer.setInput(new File("/"));

 

class MyTreeContenetProvider implements ITreeContentProvider{

        public Object[] getChildren(Object parentElement) {
            File file=(File)parentElement;
            if(file.isDirectory())
                return file.listFiles();
            else
                return null;
        }

        public Object getParent(Object element) {
            File file=(File)element;
            return file.getParentFile();
        }

        public boolean hasChildren(Object element) {
            File file=(File)element;
            return file.isDirectory()/*&&file.list().length>0*/;
        }

        public Object[] getElements(Object inputElement) {
            File file=(File)inputElement;
            return file.isDirectory()?file.listFiles():new Object[]{file};
        }

        public void dispose() {
            
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            
        }
        
    }

 

 

class MyTableLableProvider implements ITableLabelProvider{

        public Image getColumnImage(Object element, int columnIndex) {
            return null;
        }

        public String getColumnText(Object element, int columnIndex) {
            File file=(File)element;
            switch (columnIndex) {
            case 0:
                return file.getName();
            case 1:
                return ""+file.length();
            case 2:
                return ""+file.isHidden();
            default:
                return "";
            }
        }

        public void addListener(ILabelProviderListener listener) {
            
        }

        public void dispose() {
            
        }

        public boolean isLabelProperty(Object element, String property) {
            return false;
        }

        public void removeListener(ILabelProviderListener listener) {
            
        }
        
    }