securitytreeviewerview.java

用java 实现的IE browser适合于学者

package com.hnjchina.securityView;

import java.io.File;

import org.eclipse.jface.viewers.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.part.ViewPart;


public class SecurityTreeViewerView extends ViewPart{
	public	void	openTabItem(TabFolder	tabfolder){
		Composite composite = new Composite(tabfolder,SWT.NONE|SWT.EMBEDDED);
		composite.setLayout(new FillLayout());
		SashForm	sash_form=new SashForm(composite,SWT.HORIZONTAL|SWT.NULL);
		TreeViewer	tv=new TreeViewer(sash_form);
		tv.setContentProvider(new FileTreeContentProvider());
		tv.setLabelProvider(new FileTreeLabelProvider());
		tv.setInput(new File("c:\\"));
		final	TableViewer tbv=new TableViewer(sash_form,SWT.NONE);
		tbv.setContentProvider(new FileTableContentProvider());
		tbv.setLabelProvider(new FileTableLabelProvider());
		TableColumn	column=new TableColumn(tbv.getTable(),SWT.LEFT);
		column.setText("name");
		column.setWidth(200);
		tbv.getTable().setHeaderVisible(true);
		tv.addSelectionChangedListener(new ISelectionChangedListener(){
			public void selectionChanged(SelectionChangedEvent event) {
				IStructuredSelection selection=(IStructuredSelection) event.getSelection();
				Object	selected_file=selection.getFirstElement();
				tbv.setInput(selected_file);
			}
			});
		tv.getTree();
	}
	
public	class	FileTreeContentProvider	implements	IContentProvider{
	public	FileTreeContentProvider(){
		System.out.println("FileTreeContentProvider");
	}
	public	Object[] getChildren(Object element){
		Object[] kids=((File) element).listFiles();
		if	(kids==null){ kids=new Object[0]; }
		return kids=null;
	}
	public	Object[] getElements(Object element){
		return getChildren(element);
	}
	public	boolean hasChilden(Object element){
		return getChildren(element).length>0;
	}
	public	Object getParent(Object element){
		return ((File)element).getParent();
	}
	public void dispose() {
		System.out.println("dispose");}
	public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
		System.out.println("inputChanged");
		}
}
public	class FileTreeLabelProvider extends LabelProvider{
	public	String	getText(Object element){
		return ((File)element).getName();
	}
}
public	class FileTableContentProvider	implements	IStructuredContentProvider{
	public Object[] getElements(Object element) {
		Object[] kiks=null;
		kiks=((File)element).listFiles();
		if	(kiks==null){
//			kiks=new object[5];
		}
		return kiks;
	}
	public void dispose() {
	}
	public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
	}
	
}
public	class	FileTableLabelProvider implements	ITableLabelProvider{
	public Image getColumnImage(Object arg0, int arg1) {
		return null;
	}
	public String getColumnText(Object obj, int i) {
		return ((File)obj).getName();
	}
	public void addListener(ILabelProviderListener arg0) {}
	public void dispose() {	}
	public boolean isLabelProperty(Object arg0, String arg1) {
		return false;
	}
	public void removeListener(ILabelProviderListener arg0) {}

}
/* (non-Javadoc)
 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
 */
public void createPartControl(Composite parent) {
	// TODO Auto-generated method stub
	
}
/* (non-Javadoc)
 * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
 */
public void setFocus() {
	// TODO Auto-generated method stub
	
}
}