package com.oyp.ftp.panel.local; 
 
import java.awt.color; 
import java.awt.desktop; 
import java.awt.dimension; 
import java.awt.event.itemevent; 
import java.io.file; 
import java.io.ioexception; 
import java.util.date; 
import java.util.linkedlist; 
import java.util.queue; 
import java.util.logging.level; 
import java.util.logging.logger; 
 
import javax.swing.actionmap; 
import javax.swing.defaultcomboboxmodel; 
import javax.swing.jbutton; 
import javax.swing.joptionpane; 
import javax.swing.swingutilities; 
import javax.swing.table.defaulttablemodel; 
import javax.swing.table.tablemodel; 
import javax.swing.table.tablerowsorter; 
import javax.swing.table.tablestringconverter; 
 
import com.oyp.ftp.ftpclientframe; 
import com.oyp.ftp.panel.ftptablecellranderer; 
import com.oyp.ftp.panel.ftp.tableconverter; 
import com.oyp.ftp.utils.diskfile; 
public class localpanel extends javax.swing.jpanel { 
 
  queue<object[]> queue = new linkedlist<object[]>(); 
  private uploadthread uploadthread = null; 
  private desktop desktop = null; 
  private javax.swing.jbutton createfolderbutton; 
  private javax.swing.jbutton delbutton; 
  private javax.swing.jscrollpane scrollpane; 
  private javax.swing.jtoolbar.separator jseparator1; 
  private javax.swing.jtoolbar toolbar; 
  private javax.swing.jcombobox localdiskcombobox; 
  javax.swing.jtable localdisktable; 
  javax.swing.jlabel localselfilepathlabel; 
  private javax.swing.jbutton renamebutton; 
  private javax.swing.jbutton uploadbutton; 
  private tablerowsorter<tablemodel> sorter; 
  ftpclientframe frame = null; 
 
  public localpanel() { 
    initcomponents(); 
  } 
 
  public localpanel(ftpclientframe client_frame) { 
    frame = client_frame; 
    if (desktop.isdesktopsupported()) { 
      desktop = desktop.getdesktop(); 
    } 
    initcomponents(); 
  } 
 
  /** 
   * 界面布局與初始化方法 
   */ 
  private void initcomponents() { 
    actionmap actionmap = getactionmap(); 
    actionmap.put("delaction", new delfileaction(this, "刪除", null)); 
    actionmap.put("renameaction", new rennameaction(this, "重命名", null)); 
    actionmap.put("createfolderaction", new createfolderaction(this, 
        "新建文件夾", null)); 
    actionmap.put("uploadaction", new uploadaction(this, "上傳", null)); 
    actionmap.put("refreshaction", new refreshaction(this, "刷新", null)); 
 
    java.awt.gridbagconstraints gridbagconstraints; 
 
    toolbar = new javax.swing.jtoolbar(); 
    delbutton = new javax.swing.jbutton(); 
    renamebutton = new javax.swing.jbutton(); 
    createfolderbutton = new javax.swing.jbutton(); 
    uploadbutton = new javax.swing.jbutton(); 
    jseparator1 = new javax.swing.jtoolbar.separator(); 
    localdiskcombobox = new javax.swing.jcombobox(); 
    localdiskcombobox.setpreferredsize(new dimension(100, 25)); 
    scrollpane = new javax.swing.jscrollpane(); 
    localdisktable = new javax.swing.jtable(); 
    localdisktable.setdragenabled(true); 
    localselfilepathlabel = new javax.swing.jlabel(); 
    /** 
     * 向現有邊框添加一個標題，使其具有指定的位置和默認字體和文本顏色（由當前外觀確定）。 
     * titledborder.center: 將標題文本置于邊框線的中心。 
     * titledborder.above_top: 將標題置于邊框頂端線的上部。 
     */ 
    setborder(javax.swing.borderfactory.createtitledborder(null, "本地", 
        javax.swing.border.titledborder.center, 
        javax.swing.border.titledborder.above_top)); 
    setlayout(new java.awt.gridbaglayout()); 
 
    toolbar.setrollover(true); 
    toolbar.setfloatable(false); 
 
    delbutton.settext("刪除"); 
    delbutton.setfocusable(false); 
    delbutton.setaction(actionmap.get("delaction")); 
    toolbar.add(delbutton); 
 
    renamebutton.settext("重命名"); 
    renamebutton.setfocusable(false); 
    renamebutton.setaction(actionmap.get("renameaction")); 
    toolbar.add(renamebutton); 
 
    createfolderbutton.settext("新文件夾"); 
    createfolderbutton.setfocusable(false); 
    createfolderbutton.setaction(actionmap.get("createfolderaction")); 
    toolbar.add(createfolderbutton); 
 
    uploadbutton.settext("上傳"); 
    uploadbutton.setfocusable(false); 
    uploadbutton.setaction(actionmap.get("uploadaction")); 
    toolbar.add(uploadbutton); 
 
    jbutton refreshbutton = new jbutton(); 
    refreshbutton.settext("刷新"); 
    refreshbutton.setfocusable(false); 
    refreshbutton.setaction(actionmap.get("refreshaction")); 
    toolbar.add(refreshbutton); 
    toolbar.add(jseparator1); 
     
    //file.listroots():列出可用的文件系統根。 
    localdiskcombobox.setmodel(new defaultcomboboxmodel(file.listroots()));  
    localdiskcombobox.additemlistener(new java.awt.event.itemlistener() { 
      public void itemstatechanged(java.awt.event.itemevent evt) { 
        localdiskcomboboxitemstatechanged(evt); 
      } 
    }); 
    toolbar.add(localdiskcombobox); 
 
    gridbagconstraints = new java.awt.gridbagconstraints(); 
    gridbagconstraints.gridx = 0; 
    gridbagconstraints.gridy = 1; 
    gridbagconstraints.fill = java.awt.gridbagconstraints.horizontal; 
    gridbagconstraints.weightx = 1.0; 
    add(toolbar, gridbagconstraints); 
    localdisktable.setmodel(new localtablemodel()); 
    localdisktable.setshowhorizontallines(false); 
    localdisktable.setshowverticallines(false); 
    localdisktable.gettableheader().setreorderingallowed(false); 
    localdisktable.addmouselistener(new java.awt.event.mouseadapter() { 
      public void mouseclicked(java.awt.event.mouseevent evt) { 
        localdisktablemouseclicked(evt); 
      } 
    }); 
    scrollpane.setviewportview(localdisktable); 
    scrollpane.getviewport().setbackground(color.white); 
    //設置渲染本地資源和ftp資源表格組件的渲染器 
    localdisktable.getcolumnmodel().getcolumn(0).setcellrenderer( 
        ftptablecellranderer.getcellranderer()); 
    //rowsorter 的一個實現，它使用 tablemodel 提供排序和過濾操作。 
    sorter = new tablerowsorter<tablemodel>(localdisktable.getmodel()); 
    tablestringconverter converter = new tableconverter(); 
    //設置負責將值從模型轉換為字符串的對象。 
    sorter.setstringconverter(converter); 
    //設置 rowsorter。rowsorter 用于提供對 jtable 的排序和過濾。  
    localdisktable.setrowsorter(sorter); 
    sorter.togglesortorder(0); 
 
    gridbagconstraints = new java.awt.gridbagconstraints(); 
    gridbagconstraints.gridx = 0; 
    gridbagconstraints.gridy = 2; 
    gridbagconstraints.fill = java.awt.gridbagconstraints.both; 
    gridbagconstraints.weightx = 1.0; 
    gridbagconstraints.weighty = 1.0; 
    add(scrollpane, gridbagconstraints); 
 
    localselfilepathlabel.setborder(javax.swing.borderfactory 
        .createetchedborder()); 
    gridbagconstraints = new java.awt.gridbagconstraints(); 
    gridbagconstraints.gridx = 0; 
    gridbagconstraints.gridy = 3; 
    gridbagconstraints.fill = java.awt.gridbagconstraints.horizontal; 
    add(localselfilepathlabel, gridbagconstraints); 
  } 
 
  /** 
   * 本地磁盤下拉選擇框的選項改變事件處理方法，由事件監聽器調用 
   */ 
  private void localdiskcomboboxitemstatechanged(java.awt.event.itemevent evt) { 
    if (evt.getstatechange() == itemevent.selected) { 
      object item = evt.getitem(); // 獲取選擇的下拉列表的選項 
      if (item instanceof file) { // 如果該選項是file類的實例對象 
        file seldisk = (file) item; // 將該選項轉換成file類 
        // 調用listlocalfiles()方法，顯示該file類指定的磁盤文件列表 
        listlocalfiles(seldisk); 
      } 
    } 
  } 
 
  /** 
   * 刷新指定文件夾的方法 
   */ 
  void refreshfolder(file file) { 
    listlocalfiles(file); 
  } 
 
  /** 
   * 刷新本地當前文件夾的方法 
   */ 
  public void refreshcurrentfolder() { 
    final file file = getcurrentfolder(); // 獲取當前文件夾 
    runnable runnable = new runnable() { // 創建新的線程 
      public void run() { 
        listlocalfiles(file); // 重載當前文件夾的列表到表格中 
      } 
    }; 
    //導致 runnable 的 run 方法在 eventqueue 的指派線程上被調用。 
    swingutilities.invokelater(runnable); // 在事件線程中調用該線程對象 
  } 
 
  /** 
   * 獲取當前文件夾 
   */ 
  public file getcurrentfolder() { 
    // 使用路徑標簽的路徑創建當前文件夾對象 
    file file = new file(localselfilepathlabel.gettext()); 
    // 如果表格選擇了文件夾，或選擇的文件有真是的上級文件夾 
    if (localdisktable.getselectedrow() > 1 && file.getparentfile() != null) 
      file = file.getparentfile(); // 獲取該上級文件夾 
    return file; // 返回文件夾對象 
  } 
 
  /** 
   * 本地磁盤文件的表格單擊和雙擊事件處理方法 
   */ 
  private void localdisktablemouseclicked(java.awt.event.mouseevent evt) { 
    int selectedrow = localdisktable.getselectedrow(); // 獲取選擇的表格行號 
    if (selectedrow < 0) 
      return; 
    // 獲取表格中選擇的當前行的第一個字段的值 
    object value = localdisktable.getvalueat(selectedrow, 0); 
    if (value instanceof diskfile) { // 如果該值是diskfile的實例對象 
      diskfile selfile = (diskfile) value; 
      // 設置狀態欄的本地文件路徑 
      localselfilepathlabel.settext(selfile.getabsolutepath()); 
      if (evt.getclickcount() >= 2) { // 如果是雙擊鼠標 
        if (selfile.isdirectory()) { // 并且選擇的是文件夾 
          listlocalfiles(selfile); // 顯示該文件夾的內容列表 
        } else if (desktop != null) { // 如果不是文件夾 
          try { 
            desktop.open(selfile); // 關聯本地系統程序打開該文件 
          } catch (ioexception ex) { 
            logger.getlogger(ftpclientframe.class.getname()).log( 
                level.severe, null, ex); 
          } 
        } 
      } 
    } else { // 如果選擇的表格內容不是diskfile類的實例 
      // 判斷選擇的是不是..選項 
      if (evt.getclickcount() >= 2 && value.equals("..")) { 
        // 創建當前選擇文件的臨時文件 
        file tempfile = new file((localselfilepathlabel.gettext())); 
        // 顯示選擇的文件的上級目錄列表 
        listlocalfiles(tempfile.getparentfile()); 
      } 
    } 
  } 
 
  /** 
   * 讀取本地文件到表格的方法 
   */ 
  private void listlocalfiles(file seldisk) { 
    if (seldisk == null || seldisk.isfile()) { 
      return; 
    } 
    localselfilepathlabel.settext(seldisk.getabsolutepath()); 
    file[] listfiles = seldisk.listfiles(); // 獲取磁盤文件列表 
    // 獲取表格的數據模型 
    defaulttablemodel model = (defaulttablemodel) localdisktable.getmodel(); 
    model.setrowcount(0); // 清除模型的內容 
    model.addrow(new object[] { ".", "<dir>", "" }); // 創建.選項 
    model.addrow(new object[] { "..", "<dir>", "" }); // 創建..選項 
    if (listfiles == null) { 
      joptionpane.showmessagedialog(this, "該磁盤無法訪問"); 
      return; 
    } 
    // 遍歷磁盤根文件夾的內容，添加到表格中 
    for (file file : listfiles) { 
      file diskfile = new diskfile(file); // 創建文件對象 
      string length = file.length() + "b "; // 獲取文件大小 
      if (file.length() > 1000 * 1000 * 1000) { // 計算文件g單位 
        length = file.length() / 1000000000 + "g "; 
      } 
      if (file.length() > 1000 * 1000) { // 計算文件m單位 
        length = file.length() / 1000000 + "m "; 
      } 
      if (file.length() > 1000) { 
        length = file.length() / 1000 + "k "; // 計算文件k單位 
      } 
      if (file.isdirectory()) { // 顯示文件夾標志 
        length = "<dir>"; 
      } 
      // 獲取文件的最后修改日期 
      string modifdate = new date(file.lastmodified()).tolocalestring(); 
      if (!file.canread()) { 
        length = "未知"; 
        modifdate = "未知"; 
      } 
      // 將單個文件的信息添加到表格的數據模型中 
      model.addrow(new object[] { diskfile, length, modifdate }); 
    } 
    localdisktable.clearselection(); // 取消表格的選擇項 
  } 
 
  /** 
   * 停止文件上傳線程的方法 
   */ 
  public void stopuploadthread() { 
    if (uploadthread != null) 
      uploadthread.stopthread(); 
  } 
 
  public javax.swing.jcombobox getlocaldiskcombobox() { 
    return localdiskcombobox; 
  } 
 
  /** 
   * 設置ftp連接，并啟動上傳隊列線程的方法。 
   */ 
  public void setftpclient(string server, int port, string userstr, 
      string passstr) { 
    if (uploadthread != null) 
      uploadthread.stopthread(); 
    uploadthread = new uploadthread(this, server, port, userstr, passstr); 
    uploadthread.start(); 
  } 
 
  public queue<object[]> getqueue() { 
    return queue; 
  } 
}