filelistview.java

java写的图片浏览器,类似acds

            String lowerFileName = fullFileName.toLowerCase();
            if (file_list[i].isDirectory()) {
                if (lowerFileName.endsWith(":\\")){ /*only on Windows*/
                    data[0][i] = diskIcon;
                    if (i == 0 && file_list[i].equals(parentDir))
                        data[1][i] = "..";
                    else
                        data[1][i] = fullFileName;
                }else{
                    data[0][i] = dirIcon;
                    if (i == 0 && file_list[i].equals(parentDir))
                        data[1][i] = "..";
                    else {
                        //data[1][i] = fullFileName.substring(fullFileName.lastIndexOf(fileSeparator) + 1);
                        data[1][i] = file_list[i].getName();
                    }
                }
            }else{
            //Modified by Neoya 2002-03-07
            /*
              if (lowerFileName.endsWith(".jpg"))
                  data[0][i] = jpgIcon;
              else if (lowerFileName.endsWith(".gif"))
                  data[0][i] = gifIcon;
              else if (lowerFileName.endsWith(".bmp"))
                  data[0][i] = bmpIcon;
              else if (lowerFileName.endsWith(".png"))
                  data[0][i] = pngIcon;
              else if (lowerFileName.endsWith(".pcx"))
                  data[0][i] = pcxIcon;
              else if (lowerFileName.endsWith(".tif"))
                  data[0][i] = tifIcon;
              else if (lowerFileName.endsWith(".xpm"))
                  data[0][i] = xpmIcon;
              else if (lowerFileName.endsWith(".pnm"))
                  data[0][i] = pnmIcon;
              else
                  data[0][i] = ukIcon;
            */
                data[0][i]=typedImages.getImageIcon(lowerFileName);
                //data[1][i] = fullFileName.substring(fullFileName.lastIndexOf(fileSeparator) + 1);
                data[1][i] = file_list[i].getName();             
            }
            ImageInfo imageInfo=typedImages.getImageInfo(fullFileName);
            //Get size
            data[2][i]=imageInfo.getSize();
            //Get date
            data[3][i]=imageInfo.getDate();
            //Get type
            data[4][i]=imageInfo.getType();
            data[5][i]=imageInfo.getProperty();

        }
        return data;
    }

    public File[] makeFileList(File directory) {
        try {
            //Modified by Neoya 2002-03-06
            if (!(directory.exists()&&directory.isDirectory()))
                return null;
            parentDir = directory.getParentFile();
            File[] temp;

            int file_array_length = directory.listFiles().length;
            if (parentDir != null){
                temp = new File[file_array_length + 1];
                temp[0] = parentDir;
                System.arraycopy(directory.listFiles(), 0, temp, 1, file_array_length);
            }else
                temp=directory.listFiles();
            //Make Directories Appear First:
            int j=0;
            File tempFile;
            for(int i=0;i<temp.length;i++){
                if (temp[i].isDirectory()&&(j!=i)){
                j++;
                tempFile=temp[j];
                temp[j]=temp[i];
                temp[i]=tempFile;
                }
            }
            return temp;
        }catch(SecurityException e){
            System.out.println("Access Denied at directory"+directory);
            return null;
        }catch(Exception e){
            return null;
        }
    }

    public void PopupTriggered(MouseEvent e) {
        int selectedRow = fileListTable.rowAtPoint(e.getPoint());
        fileListTable.setRowSelectionInterval(selectedRow, selectedRow);
        if (!selectedFileIsDirectory())
            popupMenu.show(fileListTable, e.getX(), e.getY());
        else
            if (selectedFileIsLinkToUpperDirectory())
                linkPopupMenu.show(fileListTable, e.getX(), e.getY());
        else
            dirPopupMenu.show(fileListTable, e.getX(), e.getY());
    }
    public void DoChangeDir(){
        File temp =  file_list[fileListTable.getSelectedRow()];
        if ( temp.isDirectory() )
        {
            currentDir = temp.getAbsolutePath();
            parentFrame.setTitle("JCDSee - " + currentDir);
            RefreshFileList(temp);
        }
    }
    public String getSelectedFile() {
        selectedRow = fileListTable.getSelectedRow();
        if (selectedRow < 0) {selectedRow = 0;}
        if (file_list!=null)
            //Modified by Neoya to fit the sort view
            //return ( file_list[selectedRow] ).toString();
            return ( file_list[sorter.getIndex(selectedRow)] ).toString();
        else
            return "";
    }
    public boolean selectedFileIsDirectory() {
        selectedRow = fileListTable.getSelectedRow();
        if (selectedRow < 0)
            selectedRow = 0;
        return file_list[selectedRow].isDirectory();
    }

    public boolean selectedFileIsLinkToUpperDirectory() {
        selectedRow = fileListTable.getSelectedRow();
        if (selectedRow == 0 && parentDir!=null && parentDir.exists())
            return true;
        else
            return false;
    }

    public String getNextImage() {
        if (selectedRow <= file_list.length-2) {
            selectedRow++;
            //return ( file_list[selectedRow] ).toString();
            return (file_list[sorter.getIndex(selectedRow)]).toString();
        }
        else
            return null;
    }

    public String getPreviousImage() {
        //if (selectedRow >= 2) {
        if (selectedRow >= 1) {
            selectedRow--;
            //return ( file_list[selectedRow] ).toString();
            return ( file_list[sorter.getIndex(selectedRow)] ).toString();
        }
        else
            return null;
    }

    public void SelectCurrentFile() {
        fileListTable.setRowSelectionInterval(selectedRow, selectedRow);
    }

    public int getSelectedIndex() {
        return fileListTable.getSelectedRow();
    }

    public File[] getFileList() {
        return file_list;
    }

    public String getCurrentDir() {
        return currentDir;
    }

    public void dislayImageFullScreen() {
        parentFrame.Display_Image_FullScreen(getSelectedFile());
    }

    public void dislaySelectedImageFullScreen() {
        parentFrame.Display_Selected_Image_FullScreen();
    }

    public void deleteSelectedFile() {
        int selectedRow = fileListTable.getSelectedRow();
        File tempFile = new File(getSelectedFile());
        if (tempFile.delete()) {
            RefreshFileList();
            int rowCount = fileListTable.getRowCount();
            if (selectedRow < rowCount)
                fileListTable.setRowSelectionInterval(selectedRow, selectedRow);
            else
                fileListTable.setRowSelectionInterval(rowCount - 1, rowCount - 1);
        }
        else
            JOptionPane.showMessageDialog(null, "Cannot delete " +
                                  tempFile.getName() + " file");
    }

    public void RefreshFileList(File directory){
        try {
            file_list = null;
            file_list = makeFileList(directory);
            currentDir = directory.toString();
            parentDir = directory.getParentFile();

            if (parentDir == null) // disable the Go Up tool bar button
                parentFrame.setEnableGoUpButton(false);
            else
                parentFrame.setEnableGoUpButton(true);

            data = makeFileListData();
            dataModel.RefreshFileList(data);
            parentFrame.setTitle(directory.toString());
            parentFrame.parentDir = directory.getParentFile();
            parentFrame.fileTree.setSelectionPath(directory);
            this.validate();
        } catch (Exception ex) {
            JOptionPane.showMessageDialog(null, "Your " + directory.toString() + " drive is not ready");
        }
    }
    public void RefreshFileList() { //refresh current directory
        try {
            file_list = null;
            file_list = makeFileList(new File(currentDir));
            data = makeFileListData();
            dataModel.RefreshFileList(data);
            this.validate();
        } catch (Exception ex) {/* something wrong */}
    }
    /**
     * A class to render colored view in FileListTable
     * @author Neoya M <[e-mail]> 2002-03-07
     */
    class ColorRenderer extends JLabel
                        implements TableCellRenderer {
        public ColorRenderer(boolean isBordered) {
            super();
            this.setOpaque(true); //MUST do this for background to show up.
        }

        public Component getTableCellRendererComponent(
                                JTable table, Object color,
                                boolean isSelected, boolean hasFocus,
                                int row, int column) {

            String filename="";
            //filename=table.getValueAt(row,1).toString();//Error when columns move
            filename=table.getModel().getValueAt(row,1).toString();
            filename=currentDir + "\\" + filename;
            this.setBackground(typedImages.getImageColor(filename));
            if(table.getSelectedRow()==row){
                this.setBackground(new Color(0,0,150));
                this.setForeground(Color.white);
            }else{
                this.setForeground(Color.black);
            }
            if(table.getColumnName(column).equals("Size")){//Size
                String text=table.getValueAt(row,column).toString();
                if (!text.equals("0"))
                    this.setText(text+"KB  "); //Two spaces to make a better look
                else
                    this.setText("");
                this.setHorizontalAlignment(SwingConstants.RIGHT);
            }else{
                this.setText(table.getValueAt(row,column).toString());
                this.setHorizontalAlignment(SwingConstants.LEFT);
            }
            return this;
        }
    }
    /**
     * Show the columns of the list table
     * @author Neoya M <[e-mail]> 2002-03-13
     */
    public void setShowColumn(String name,boolean value){
        if(name.equals(Properties.SHOW_COLUMN_SIZE))
            setShowColumn(2,value);
        else if(name.equals(Properties.SHOW_COLUMN_DATE))
            setShowColumn(3,value);
        else if(name.equals(Properties.SHOW_COLUMN_TYPE))
            setShowColumn(4,value);
        else if(name.equals(Properties.SHOW_COLUMN_PROPERTIES))
            setShowColumn(5,value);
    }
    public void setShowColumn(int column,boolean value){
        sorter.setShowColumn(column,value);
        //Reset the columns width
        TableColumn c;
        for (int i = 0; i < 2; i++) {
            c = fileListTable.getColumnModel().getColumn(i);
            if (i == 0) {
                c.setPreferredWidth(18); //icon column
                c.setMaxWidth(18);
                c.setMinWidth(18);
            } else {
                c.setPreferredWidth(110); // filename column
                c.setMinWidth(110);
            }
        }
    }
}