fileviewimpl.java

Java资源管理器

		 * 窗口布局,左边是Tree右边是Table
		 */
		JPanel southBtnPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
		southBtnPanel.setBorder(new TitledBorder(""));
		southBtnPanel.add(addFolderBtn);
		southBtnPanel.add(addFileBtn);
		southBtnPanel.add(deleteBtn);
		southBtnPanel.add(exitBtn);
		this.getContentPane().add(southBtnPanel,BorderLayout.SOUTH);
		
		JPanel leftPanel = new JPanel(new BorderLayout());
		leftPanel.setBorder(BorderFactory.createTitledBorder("Folder Tree"));
		JPanel rightPanel = new JPanel(new BorderLayout());
		rightPanel.setBorder(new TitledBorder("File Resorceses"));
		JPanel upBtnPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		upBtnPanel.add(upBtn);
		upBtnPanel.add(addressLabel);
		JPanel rightTopTextFieldPanel = new JPanel(new BorderLayout());
		rightTopTextFieldPanel.setBorder(new TitledBorder(""));
		rightTopTextFieldPanel.add(upBtnPanel,BorderLayout.WEST);
		rightTopTextFieldPanel.add(addressTextField);
		leftPanel.add(new JScrollPane(tree));
		JScrollPane rightScrollPane = new JScrollPane(table);
		rightScrollPane.setBorder(new TitledBorder("File Detail"));
		
		rightPanel.add(rightTopTextFieldPanel,BorderLayout.NORTH);
		rightPanel.add(rightScrollPane);
		
        JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftPanel,rightPanel);
        jsp.setDividerSize(3);
        jsp.setDividerLocation(200);
        this.getContentPane().add(jsp);

        tree.addTreeSelectionListener(new TreeSelectionProcesser());
        tree.addTreeWillExpandListener(new TreeWillExpandProcessor());       
        table.addMouseListener(new mouseClickedProcessor()); 
        tree.addMouseListener(new MouseAdapter(){
            public void mouseClicked(MouseEvent e){
                if(e.getButton() == e.BUTTON3)
                    popMenu.show(tree,e.getX(),e.getY());
            }
        });
        addFolderBtn.addActionListener(this);
        addFolderMenu.addActionListener(this);
        addFileBtn.addActionListener(this);
        addFileMenu.addActionListener(this);
        deleteBtn.addActionListener(this);
        deleteMenu.addActionListener(this);
        exitBtn.addActionListener(this);
        upBtn.addActionListener(this);
        this.setSize(700,450);
        this.setLocationRelativeTo(this);
        this.setVisible(true);
    }
    
    /**
     * Append nodes to the tree 
     * @param node,parent node that will appended other nodes
     * @param vct,nodes file sets that you want to append
     */
    public void appendNodes(DefaultMutableTreeNode node,Collection vct){        
        Vector newVct = new Vector();
        if(vct != null){
            newVct = (Vector)vct;
            node.removeAllChildren();
        }
        else{
            node.removeAllChildren();
            return;
        }
        for(int i=0;i<vct.size();i++){
            File file = (File)newVct.get(i);
            TNode tnode = new TNode(file);
            tnode.add(new DefaultMutableTreeNode(""));
            node.add(tnode);
        }
    }
    
    /**
     * Rsize the table columnWidth
     */
    public void setColumnWidth(int pColumn, int pWidth){
        TableColumnModel colModel = table.getColumnModel();
        colModel.getColumn(pColumn).setPreferredWidth(pWidth);
    }
    
    public void actionPerformed(ActionEvent e){
        if(e.getSource() == upBtn){
            try{
                curPath = curPath.getParentPath();
                if(curPath != null){                    
	        		tree.setSelectionPath(curPath); 
                }
            }
            catch(Exception ee){
	            ee.printStackTrace();
            }
        }
        else if(e.getSource() == addFolderBtn || e.getSource() == addFolderMenu){
            try{
	            String buf = JOptionPane.showInputDialog(this,"Pls Input FileName: ","new Folder");
	            createFile("d",buf);
            }
            catch(Exception ee){
                ee.printStackTrace();
            }
        }
        else if(e.getSource() == addFileBtn || e.getSource() == addFileMenu){
            try{
	            String buf = JOptionPane.showInputDialog(this,"Pls Input FileName: ","new File");
	            createFile("f",buf);
            }
            catch(Exception ee){
                ee.printStackTrace();;
            }
        }
        else if(e.getSource() == deleteBtn || e.getSource() == deleteMenu){ 
                deleteFile();
        }
        else if(e.getSource() == exitBtn){
            System.exit(0);
        }
    }
    
    /**
     * Get all root nodes with the system root files
     */
    public Collection handleGetRootNodes() throws Exception{
        return model.handleGetRootNodes();
    }
    
    /**
     * Get all root files of system
     */
    public Collection handleGetRootFiles() throws Exception {
        // TODO Auto-generated method stub
        return model.handleGetRootFiles();
    }

    /**
     * This method invoke by controller,return a collection sets of the file with you supplied file
     * @param file,this is you supplied file that you want to get all files under it
     */
    public Collection handleGetAll(File file) throws Exception {
        // TODO Auto-generated method stub
        return model.handleGetAll(file);
    }

    /**
     * This method invoke by controller,return a collection sets of the directories with you supplied file
     * @param file,this is you supplied file that you want to get the directories under it
     */
    public Collection handleGetAllDirectories(File file) throws Exception {
        // TODO Auto-generated method stub
        return model.handleGetAllDirectories(file);
    }

    /**
     * This method invoke by model when file deleted
     * the end refresh the table and tree
     */
    public void fireDeleteFile() throws Exception {
        // TODO Auto-generated method stub
        try{
            if(isTable){
                refreshNode();
            }
            else{                    
                curPath = curPath.getParentPath();
                tree.setSelectionPath(curPath);
                refreshNode();
            }                 
        }
        catch(Exception ee){
            JOptionPane.showMessageDialog(this,"Delete failure,folder not empty or file protected!");
            ee.printStackTrace();
        }
    }  
    
    /**
     * This method invoke by model when a new file created,the "file" is the new file created,
     * the end refresh the table and tree 
     */
    public void fireCreateFile(File file) throws Exception {
        // TODO Auto-generated method stub
        refreshNode();
        if(!tree.isExpanded(curPath))
            tree.expandPath(curPath);
    }
    
    /* (non-Javadoc)
     * @see FileView#fireModifyFile(java.io.File)
     */
    public void fireModifyFileName(File file) throws Exception {
        // TODO Auto-generated method stub

    }    
    
    /**
     * Create a new file or folder
     * @param f this is the file type, "f" to create a file,"d" to create a folder
     * @param file
     */
    public void createFile(String f,String file){
        try{
	        if(file != null && f.equals("f")){
                file = file.trim();
                String newFile = "";
                if(currentFile.isDirectory())
                    newFile = currentFile.getAbsolutePath()+"\\"+file;
	            else
	                newFile = currentNode.getFile().getAbsolutePath()+"\\"+file;
                control.createFile("f",newFile);
	        }
	        else if(file != null && f.equals("d")){
	            file = file.trim();
                String newFile = "";
                if(currentFile.isDirectory())
                    newFile = currentFile.getAbsolutePath()+"\\"+file;
	            else
	                newFile = currentNode.getFile().getAbsolutePath()+"\\"+file;
                control.createFile("d",newFile);
	        }
        }
        catch(Exception e){
            e.printStackTrace();
        }
    }
    
    /**
     * Deleted the all files that you selected,but the file can not be deleted
     * that contain the another file under or sub-folder
     */
    public void deleteFile(){
        try{
            if(isTable){
                int[] indeics = table.getSelectedRows();
                if(indeics != null && indeics.length>0){
	                File[] buf = new File[indeics.length];
	                for(int i=0;i<indeics.length;i++){
	                    buf[i] = tableModel.getFile(indeics[i]);
	                }
	                control.deleteFile(buf); 
                }
            }
            else{
                File[] buf = {currentNode.getFile()};
                control.deleteFile(buf);
            }
        }
        catch(Exception ee){
            JOptionPane.showMessageDialog(this,"Delete failure,folder not empty or file protected!");
            ee.printStackTrace();
        }
    }
    
    /**
     * Refresh the Nodes and table when deleted or created a file 
     */
    public void refreshNode(){
        try{
	        Collection files = control.handleGetAll(currentNode.getFile());
	        tableModel.addAllFiles(files);
	        appendNodes(currentNode,control.handleGetAllDirectories(currentNode.getFile()));
	        treeModel.nodeStructureChanged(currentNode);
        }
        catch(Exception e){
            e.printStackTrace();
        }
    }
}