Class: CDK::FSELECT

Inherits:
CDKOBJS show all
Includes:
ListSupport
Defined in:
lib/cdk/components/fselect.rb

Instance Attribute Summary collapse

Attributes included from HasTitle

#title_attrib

Attributes included from HasScreen

#is_visible, #screen, #screen_index

Attributes included from ExitConditions

#exit_type

Attributes included from Bindings

#binding_list

Attributes included from Focusable

#accepts_focus, #has_focus

Attributes included from Borders

#BXAttr, #HZChar, #LLChar, #LRChar, #ULChar, #URChar, #VTChar, #border_size, #box

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ListSupport

#search_list

Methods inherited from CDKOBJS

#setBackgroundColor, #timeout, #validCDKObject, #validObjType

Methods included from WindowHooks

#refreshData, #saveData

Methods included from WindowInput

#getc, #getch, #setPostProcess, #setPreProcess

Methods included from HasTitle

#cleanTitle, #drawTitle, #init_title, #setTitle

Methods included from HasScreen

#SCREEN_XPOS, #SCREEN_YPOS, #init_screen, #wrefresh

Methods included from ExitConditions

#init_exit_conditions, #resetExitType, #setExitType

Methods included from Bindings

#bind, #bindableObject, #checkBind, #cleanBindings, #init_bindings, #isBind, #unbind

Methods included from Focusable

#init_focus

Methods included from Borders

#getBox, #init_borders, #setBXattr, #setBox, #setHZchar, #setLLchar, #setLRchar, #setULchar, #setURchar, #setVTchar

Methods included from Movement

#move_specific

Methods included from Converters

#char2Chtype, #charOf, #chtype2Char, #chtype2String, #decode_attribute, #encode_attribute

Methods included from Justifications

#justify_string

Methods included from Alignments

#alignxy

Constructor Details

#initialize(cdkscreen, xplace, yplace, height, width, title, label, field_attribute, filler_char, highlight, d_attribute, f_attribute, l_attribute, s_attribute, box, shadow) ⇒ FSELECT

Returns a new instance of FSELECT.



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# File 'lib/cdk/components/fselect.rb', line 13

def initialize(cdkscreen, xplace, yplace, height, width, title, label,
    field_attribute, filler_char, highlight, d_attribute, f_attribute,
    l_attribute, s_attribute, box, shadow)
  super()
  parent_width = cdkscreen.window.getmaxx
  parent_height = cdkscreen.window.getmaxy
  bindings = {
      CDK::BACKCHAR => Ncurses::KEY_PPAGE,
      CDK::FORCHAR  => Ncurses::KEY_NPAGE,
  }

  self.setBox(box)

  # If the height is a negative value the height will be ROWS-height,
  # otherwise the height will be the given height
  box_height = CDK.setWidgetDimension(parent_height, height, 0)

  # If the width is a negative value, the width will be COLS-width,
  # otherwise the width will be the given width.
  box_width = CDK.setWidgetDimension(parent_width, width, 0)

  # Rejustify the x and y positions if we need to.
  xtmp = [xplace]
  ytmp = [yplace]
  alignxy(cdkscreen.window, xtmp, ytmp, box_width, box_height)
  xpos = xtmp[0]
  ypos = ytmp[0]

  # Make sure the box isn't too small.
  box_width = [box_width, 15].max
  box_height = [box_height, 6].max

  # Make the file selector window.
  @win = Ncurses::WINDOW.new(box_height, box_width, ypos, xpos)

  # is the window nil?
  if @win.nil?
    fselect.destroy
    return nil
  end
  @win.keypad(true)

  # Set some variables.
  @screen = cdkscreen
  @parent = cdkscreen.window
  @dir_attribute = d_attribute.clone
  @file_attribute = f_attribute.clone
  @link_attribute = l_attribute.clone
  @sock_attribute = s_attribute.clone
  @highlight = highlight
  @filler_character = filler_char
  @field_attribute = field_attribute
  @box_height = box_height
  @box_width = box_width
  @file_counter = 0
  @pwd = ''
  @input_window = @win
  @shadow = shadow
  @shadow_win = nil

  # Get the present working directory.
  # XXX need error handling (set to '.' on error)
  @pwd = Dir.getwd

  # Get the contents of the current directory
  self.setDirContents

  # Create the entry field in the selector
  label_len = []
  char2Chtype(label, label_len, [])
  label_len = label_len[0]

  temp_width = if CDK::FSELECT.isFullWidth(width)
               then CDK::FULL
               else box_width - 2 - label_len
               end
  @entry_field = CDK::ENTRY.new(cdkscreen, @win.getbegx, @win.getbegy,
      title, label, field_attribute, filler_char, :MIXED, temp_width,
      0, 512, box, false)

  # Make sure the widget was created.
  if @entry_field.nil?
    self.destroy
    return nil
  end

  # Set the lower left/right characters of the entry field.
  @entry_field.setLLchar(Ncurses::ACS_LTEE)
  @entry_field.setLRchar(Ncurses::ACS_RTEE)

  # This is a callback to the scrolling list which displays information
  # about the current file.  (and the whole directory as well)
  display_file_info_cb = lambda do |object_type, entry, fselect, key|
    # Get the file name.
    filename = fselect.entry_field.info

    # Get specific information about the files.
    # lstat (filename, &fileStat);
    file_stat = File.stat(filename)

    # Determine the file type
    filetype = case
               when file_stat.symlink?
                 'Symbolic Link'
               when file_stat.socket?
                 'Socket'
               when file_stat.file?
                 'Regular File'
               when file_stat.directory?
                 'Directory'
               when file_stat.chardev?
                 'Character Device'
               when file_stat.blockdev?
                 'Block Device'
               when file_stat.ftype == 'fif'
                 'FIFO Device'
               else
                 'Unknown'
               end

    # Get the user name and group name.
    pw_ent = Etc.getpwuid(file_stat.uid)
    gr_ent = Etc.getgrgid(file_stat.gid)

    # Convert the mode to both string and int
    # intMode = mode2Char (stringMode, fileStat.st_mode);

    # Create the message.
    mesg = [
        'Directory  : </U>%s' % [fselect.pwd],
        'Filename   : </U>%s' % [filename],
        'Owner      : </U>%s<!U> (%d)' % [pw_ent.name, file_stat.uid],
        'Group      : </U>%s<!U> (%d)' % [gr_ent.name, file_stat.gid],
        'Permissions: </U>%s<!U> (%o)' % [string_mode, int_mode],
        'Size       : </U>%ld<!U> bytes' % [file_stat.size],
        'Last Access: </U>%s' % [file_stat.atime],
        'Last Change: </U>%s' % [file_stat.ctime],
        'File Type  : </U>%s' % [filetype]
    ]

    # Create the pop up label.
    info_label = CDK::LABEL.new(entry.screen, CDK::CENTER, CDK::CENTER,
        mesg, 9, true, false)
    info_label.draw(true)
    info_label.getch([])

    info_label.destroy

    # Redraw the file selector.
    fselect.draw(fselect.box)
    return true
  end

  # This tries to complete the filename
  complete_filename_cb = lambda do |object_type, object, fselect, key|
    scrollp = fselect.scroll_field
    entry = fselect.entry_field
    filename = entry.info.clone
    mydirname = CDK.dirName(filename)
    current_index = 0
    
    # Make sure the filename is not nil/empty.
    if filename.nil? || filename.size == 0
      CDK.Beep
      return true
    end

    # Try to expand the filename if it starts with a ~
    unless (new_filename = CDK::FSELECT.expandTilde(filename)).nil?
      filename = new_filename
      entry.setValue(filename)
      entry.draw(entry.box)
    end

    # Make sure we can change into the directory.
    is_directory = Dir.exists?(filename)
    # if (chdir (fselect->pwd) != 0)
    #    return FALSE;
    #Dir.chdir(fselect.pwd)

    # XXX original: isDirectory ? mydirname : filename
    fselect.set(if is_directory then filename else mydirname end,
        fselect.field_attribute, fselect.filler_character,
        fselect.highlight, fselect.dir_attribute, fselect.file_attribute,
        fselect.link_attribute, fselect.sock_attribute, fselect.box)

    # If we can, change into the directory.
    # XXX original: if isDirectory (with 0 as success result)
    if is_directory
      entry.setValue(filename)
      entry.draw(entry.box)
    end

    # Create the file list.
    list = []
    (0...fselect.file_counter).each do |x|
      list << fselect.contentToPath(fselect.dir_contents[x])
    end

    # Look for a unique filename match.
    index = search_list(list, fselect.file_counter, filename)

    # If the index is less than zero, return we didn't find a match.
    if index < 0
      CDK.Beep
    else
      # Move to the current item in the scrolling list.
      # difference = Index - scrollp->currentItem;
      # absoluteDifference = abs (difference);
      # if (difference < 0)
      # {
      #    for (x = 0; x < absoluteDifference; x++)
      #    {
      #       injectMyScroller (fselect, KEY_UP);
      #    }
      # }
      # else if (difference > 0)
      # {
      #    for (x = 0; x < absoluteDifferene; x++)
      #    {
      #       injectMyScroller (fselect, KEY_DOWN);
      #    }
      # }
      scrollp.setPosition(index)
      fselect.drawMyScroller

      # Ok, we found a match, is the next item similar?
      if index + 1 < fselect.file_counter && index + 1 < list.size &&
          list[index + 1][0..([filename.size, list[index + 1].size].min)] ==
          filename
        current_index = index
        base_chars = filename.size
        matches = 0

        # Determine the number of files which match.
        while current_index < fselect.file_counter
          if current_index + 1 < list.size
            if list[current_index][0..(
                [filename.size, list[current_index].size].max)] == filename
              matches += 1
            end
          end
          current_index += 1
        end

        # Start looking for the common base characters.
        while true
          secondary_matches = 0
          (index...index + matches).each do |x|
            if list[index][base_chars] == list[x][base_chars]
              secondary_matches += 1
            end
          end

          if secondary_matches != matches
            CDK.Beep
            break
          end

          # Inject the character into the entry field.
          fselect.entry_field.inject(list[index][base_chars])
          base_chars += 1
        end
      else
        # Set the entry field with the found item.
        entry.setValue(list[index])
        entry.draw(entry.box)
      end
    end

    return true
  end

  # This allows the user to delete a file.
  delete_file_cb = lambda do |object_type, fscroll, fselect|
    buttons = ['No', 'Yes']

    # Get the filename which is to be deleted.
    filename = chtype2Char(fscroll.item[fscroll.current_item])
    filename = filename[0...-1]

    # Create the dialog message.
    mesg = [
        '<C>Are you sure you want to delete the file:',
        '<C></U>"%s"?' % [filename]
    ]

    # Create the dialog box.
    question = CDK::DIALOG.new(fselect.screen, CDK::CENTER, CDK::CENTER,
        mesg, 2, buttons, 2, Ncurses::A_REVERSE, true, true, false)

    # If the said yes then try to nuke it.
    if question.activate([]) == 1
      # If we were successful, reload the scrolling list.
      if File.unlink(filename) == 0
        # Set the file selector information.
        fselect.set(fselect.pwd, fselect.field_attribute,
            fselect.filler_character, fselect.highlight,
            fselect.dir_attribute, fselect.file_attribute,
            fselect.link_attribute, fselect.sock_attribute, fselect.box)
      else
        # Pop up a message.
        # mesg[0] = copyChar (errorMessage ("<C>Cannot delete file: %s"));
        # mesg[1] = copyChar (" ");
        # mesg[2] = copyChar("<C>Press any key to continue.");
        # popupLabel(ScreenOf (fselect), (CDK_CSTRING2) mesg, 3);
        # freeCharList (mesg, 3);
      end
    end

    # Clean up.
    question.destroy

    # Redraw the file seoector.
    fselect.draw(fselect.box)
  end

  # Start of callback functions.
  adjust_scroll_cb = lambda do |object_type, object, fselect, key|
    scrollp = fselect.scroll_field
    entry = fselect.entry_field

    if scrollp.list_size > 0
      # Move the scrolling list.
      fselect.injectMyScroller(key)

      # Get the currently highlighted filename.
      current = chtype2Char(scrollp.item[scrollp.current_item])
      #current = chtype2String(scrollp.item[scrollp.current_item])
      current = current[0...-1]

      temp = CDK::FSELECT.make_pathname(fselect.pwd, current)

      # Set the value in the entry field.
      entry.setValue(temp)
      entry.draw(entry.box)

      return true
    end
    CDK.Beep
    return false
  end

  # Define the callbacks for the entry field.
  @entry_field.bind(:ENTRY, Ncurses::KEY_UP, adjust_scroll_cb, self)
  @entry_field.bind(:ENTRY, Ncurses::KEY_PPAGE, adjust_scroll_cb, self)
  @entry_field.bind(:ENTRY, Ncurses::KEY_DOWN, adjust_scroll_cb, self)
  @entry_field.bind(:ENTRY, Ncurses::KEY_NPAGE, adjust_scroll_cb, self)
  @entry_field.bind(:ENTRY, CDK::KEY_TAB, complete_filename_cb, self)
  @entry_field.bind(:ENTRY, CDK.CTRL('^'), display_file_info_cb, self)

  # Put the current working directory in the entry field.
  @entry_field.setValue(@pwd)

  # Create the scrolling list in the selector.
  temp_height = @entry_field.win.getmaxy - @border_size
  temp_width = if CDK::FSELECT.isFullWidth(width)
               then CDK::FULL
               else box_width - 1
               end
  @scroll_field = CDK::SCROLL.new(cdkscreen,
      @win.getbegx, @win.getbegy + temp_height, CDK::RIGHT,
      box_height - temp_height, temp_width, '', @dir_contents,
      @file_counter, false, @highlight, box, false)

  # Set the lower left/right characters of the entry field.
  @scroll_field.setULchar(Ncurses::ACS_LTEE)
  @scroll_field.setURchar(Ncurses::ACS_RTEE)

  # Do we want a shadow?
  if shadow
    @shadow_win = Ncurses::WINDOW.new(box_height, box_width,
        ypos + 1, xpos + 1)
  end

  # Setup the key bindings
  bindings.each do |from, to|
    self.bind(:FSELECT, from, :getc, to)
  end

  cdkscreen.register(:FSELECT, self)
end

Instance Attribute Details

#dir_attribute ⇒ Object (readonly)

Returns the value of attribute dir_attribute.



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# File 'lib/cdk/components/fselect.rb', line 9

def dir_attribute
  @dir_attribute
end

#dir_contents ⇒ Object (readonly)

Returns the value of attribute dir_contents.



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# File 'lib/cdk/components/fselect.rb', line 11

def dir_contents
  @dir_contents
end

#entry_field ⇒ Object (readonly)

Returns the value of attribute entry_field.



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# File 'lib/cdk/components/fselect.rb', line 8

def entry_field
  @entry_field
end

#field_attribute ⇒ Object (readonly)

Returns the value of attribute field_attribute.



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# File 'lib/cdk/components/fselect.rb', line 10

def field_attribute
  @field_attribute
end

#file_attribute ⇒ Object (readonly)

Returns the value of attribute file_attribute.



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# File 'lib/cdk/components/fselect.rb', line 9

def file_attribute
  @file_attribute
end

#file_counter ⇒ Object (readonly)

Returns the value of attribute file_counter.



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# File 'lib/cdk/components/fselect.rb', line 11

def file_counter
  @file_counter
end

#filler_character ⇒ Object (readonly)

Returns the value of attribute filler_character.



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# File 'lib/cdk/components/fselect.rb', line 10

def filler_character
  @filler_character
end

#highlight ⇒ Object (readonly)

Returns the value of attribute highlight.



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# File 'lib/cdk/components/fselect.rb', line 9

def highlight
  @highlight
end

#link_attribute ⇒ Object (readonly)

Returns the value of attribute link_attribute.



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# File 'lib/cdk/components/fselect.rb', line 9

def link_attribute
  @link_attribute
end

#pathname ⇒ Object (readonly)

Returns the value of attribute pathname.



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# File 'lib/cdk/components/fselect.rb', line 11

def pathname
  @pathname
end

#pwd ⇒ Object (readonly)

Returns the value of attribute pwd.



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# File 'lib/cdk/components/fselect.rb', line 11

def pwd
  @pwd
end

#scroll_field ⇒ Object (readonly)

Returns the value of attribute scroll_field.



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# File 'lib/cdk/components/fselect.rb', line 8

def scroll_field
  @scroll_field
end

#sock_attribute ⇒ Object (readonly)

Returns the value of attribute sock_attribute.



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# File 'lib/cdk/components/fselect.rb', line 10

def sock_attribute
  @sock_attribute
end

Class Method Details

.expandTilde(filename) ⇒ Object

Currently a wrapper for File.expand_path



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# File 'lib/cdk/components/fselect.rb', line 886

def self.expandTilde(filename)
  return File.expand_path(filename)
end

.isFullWidth(width) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 931

def self.isFullWidth(width)
  width == CDK::FULL || (Ncurses.COLS != 0 && width >= Ncurses.COLS)
end

.make_pathname(directory, filename) ⇒ Object

Currently a wrapper for File.expand_path



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# File 'lib/cdk/components/fselect.rb', line 864

def self.make_pathname(directory, filename)
  if filename == '..'
    return File.expand_path(directory) + '/..'
  else
    return File.expand_path(filename, directory)
  end
end

Instance Method Details

#activate(actions) ⇒ Object

This means you want to use the given file selector. It takes input from the keyboard and when it’s done it fills the entry info element of the structure with what was typed.



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# File 'lib/cdk/components/fselect.rb', line 457

def activate(actions)
  input = 0
  ret = 0

  # Draw the widget.
  self.draw(@box)

  if actions.nil? || actions.size == 0
    while true
      input = @entry_field.getch([])

      # Inject the character into the widget.
      ret = self.inject(input)
      if @exit_type != :EARLY_EXIT
        return ret
      end
    end
  else
    # Inject each character one at a time.
    actions.each do |action|
      ret = self.inject(action)
      if @exit_type != :EARLY_EXIT
        return ret
      end
    end
  end

  # Set the exit type and exit.
  self.setExitType(0)
  return 0
end

#contentToPath(content) ⇒ Object

Return the plain string that corresponds to an item in dir_contents



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# File 'lib/cdk/components/fselect.rb', line 873

def contentToPath(content)
  # XXX direct translation of original but might be redundant
  temp_chtype = char2Chtype(content, [], [])
  temp_char   = chtype2Char(temp_chtype)
  temp_char   = temp_char[0..-1]

  # Create the pathname.
  result = CDK::FSELECT.make_pathname(@pwd, temp_char)

  return result
end

#createList(list, list_size) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 895

def createList(list, list_size)
  status = false

  if list_size >= 0
    newlist = []

    # Copy in the new information
    status = true
    (0...list_size).each do |x|
      newlist << list[x]
      if newlist[x] == 0
        status = false
        break
      end
    end

    if status
      self.destroyInfo
      @file_counter = list_size
      @dir_contents = newlist
    end
  else
    self.destroyInfo
    status = true
  end
  return status
end

#destroy ⇒ Object

This destroys the file selector.



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# File 'lib/cdk/components/fselect.rb', line 847

def destroy
  self.cleanBindings(:FSELECT)

  # Destroy the other CDK objects
  @scroll_field.destroy
  @entry_field.destroy

  # Free up the windows
  CDK.deleteCursesWindow(@shadow_win)
  CDK.deleteCursesWindow(@win)

  # Clean the key bindings.
  # Unregister the object.
  CDK::SCREEN.unregister(:FSELECT, self)
end

#destroyInfo ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 890

def destroyInfo
  @dir_contents = []
  @file_counter = 0
end

#draw(box) ⇒ Object

This draws the file selector widget.



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# File 'lib/cdk/components/fselect.rb', line 441

def draw(box)
  # Draw in the shadow if we need to.
  unless @shadow_win.nil?
    Draw.drawShadow(@shadow_win)
  end

  # Draw in the entry field.
  @entry_field.draw(@entry_field.box)

  # Draw in the scroll field.
  self.drawMyScroller
end

#drawMyScroller ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 428

def drawMyScroller
  self.saveFocus
  @scroll_field.draw(@scroll_field.box)
  self.restoreFocus
end

#erase ⇒ Object

This erases the file selector from the screen.



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# File 'lib/cdk/components/fselect.rb', line 397

def erase
  if self.validCDKObject
    @scroll_field.erase
    @entry_field.erase
    CDK.eraseCursesWindow(@win)
  end
end

#focus ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 923

def focus
  @entry_field.focus
end

#getContents(size) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 789

def getContents(size)
  size << @file_counter
  return @dir_contents
end

#getCurrentItem ⇒ Object

Get/set the current position in the scroll wiget.



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# File 'lib/cdk/components/fselect.rb', line 795

def getCurrentItem
  return @scroll_field.getCurrent
end

#getDirAttribute ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 724

def getDirAttribute
  return @dir_attribute
end

#getDirContents(count) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 655

def getDirContents(count)
  count << @file_counter
  return @dir_contents
end

#getDirectory ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 690

def getDirectory
  return @pwd
end

#getFileAttribute ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 763

def getFileAttribute
  return @file_attribute
end

#getFillerChar ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 700

def getFillerChar
  return @filler_character
end

#getHighlight ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 710

def getHighlight
  return @highlight
end

#getLinkAttribute ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 737

def getLinkAttribute
  return @link_attribute
end

#getSocketAttribute ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 750

def getSocketAttribute
  return @sock_attribute
end

#inject(input) ⇒ Object

This injects a single character into the file selector.



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# File 'lib/cdk/components/fselect.rb', line 490

def inject(input)
  ret = -1
  @complete = false

  # Let the user play.
  filename = @entry_field.inject(input)

  # Copy the entry field exit_type to the file selector.
  @exit_type = @entry_field.exit_type

  # If we exited early, make sure we don't interpret it as a file.
  if @exit_type == :EARLY_EXIT
    return 0
  end

  # Can we change into the directory
  #file = Dir.chdir(filename)
  #if Dir.chdir(@pwd) != 0
  #  return 0
  #end

  # If it's not a directory, return the filename.
  if !Dir.exists?(filename)
    # It's a regular file, create the full path
    @pathname = filename.clone

    # Return the complete pathname.
    ret = @pathname
    @complete = true
  else
    # Set the file selector information.
    self.set(filename, @field_attribute, @filler_character, @highlight,
        @dir_attribute, @file_attribute, @link_attribute, @sock_attribute,
        @box)

    # Redraw the scrolling list.
    self.drawMyScroller
  end

  if !@complete
    self.setExitType(0)
  end

  @result_data = ret
  return ret
end

#injectMyScroller(key) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 434

def injectMyScroller(key)
  self.saveFocus
  @scroll_field.inject(key)
  self.restoreFocus
end

#move(xplace, yplace, relative, refresh_flag) ⇒ Object

This moves the fselect field to the given location.



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# File 'lib/cdk/components/fselect.rb', line 406

def move(xplace, yplace, relative, refresh_flag)
  windows = [@win, @shadow_win]
  subwidgets = [@entry_field, @scroll_field]

  self.move_specific(xplace, yplace, relative, refresh_flag,
      windows, subwidgets)
end

#object_type ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 939

def object_type
  :FSELECT
end

#position ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 935

def position
  super(@win)
end

#restoreFocus ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 424

def restoreFocus
  @scroll_field.has_focus = @save
end

#saveFocus ⇒ Object

The fselect’s focus resides in the entry widget. But the scroll widget will not draw items highlighted unless it has focus. Temporarily adjust the focus of the scroll widget when drawing on it to get the right highlighting.



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# File 'lib/cdk/components/fselect.rb', line 419

def saveFocus
  @save = @scroll_field.has_focus
  @scroll_field.has_focus = @entry_field.has_focus
end

#set(directory, field_attrib, filler, highlight, dir_attribute, file_attribute, link_attribute, sock_attribute, box) ⇒ Object

This function sets the information inside the file selector.



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# File 'lib/cdk/components/fselect.rb', line 538

def set(directory, field_attrib, filler, highlight, dir_attribute,
    file_attribute, link_attribute, sock_attribute, box)
  fscroll = @scroll_field
  fentry = @entry_field
  new_directory = ''

  # keep the info sent to us.
  @field_attribute = field_attrib
  @filler_character = filler
  @highlight = highlight

  # Set the attributes of the entry field/scrolling list.
  self.setFillerChar(filler)
  self.setHighlight(highlight)

  # Only do the directory stuff if the directory is not nil.
  if !(directory.nil?) && directory.size > 0
    # Try to expand the directory if it starts with a ~
    if (temp_dir = CDK::FSELECT.expandTilde(directory)).size > 0
      new_directory = temp_dir
    else
      new_directory = directory.clone
    end

    # Change directories.
    if Dir.chdir(new_directory) != 0
      CDK.Beep

      # Could not get into the directory, pop up a little message.
      mesg = [
          '<C>Could not change into %s' % [new_directory],
          '<C></U>%s' % ['Unknown reason.'],  # errorMessage(format)
          ' ',
          '<C>Press Any Key To Continue.'
      ]

      # Pop up a message.
      @screen.popupLabel(mesg, 4)

      # Get out of here.
      self.erase
      self.draw(@box)
      return
    end
  end

  # if the information coming in is the same as the information
  # that is already there, there is no need to destroy it.
  if @pwd != directory
    @pwd = Dir.getwd
  end

  @file_attribute = file_attribute.clone
  @dir_attribute = dir_attribute.clone
  @link_attribute = link_attribute.clone
  @sock_attribute = sock_attribute.clone

  # Set the contents of the entry field.
  fentry.setValue(@pwd)
  fentry.draw(fentry.box)

  # Get the directory contents.
  unless self.setDirContents
    CDK.Beep
    return
  end

  # Set the values in the scrolling list.
  fscroll.setItems(@dir_contents, @file_counter, false)
end

#setBKattr(attrib) ⇒ Object

This sets the background attribute of the widget.



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# File 'lib/cdk/components/fselect.rb', line 841

def setBKattr(attrib)
  @entry_field.setBKattr(attrib)
  @scroll_field.setBKattr(attrib)
end

#setContents(list, list_size) ⇒ Object

this sets the contents of the widget



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# File 'lib/cdk/components/fselect.rb', line 768

def setContents(list, list_size)
  scrollp = @scroll_field
  entry = @entry_field

  if !self.createList(list, list_size)
    return
  end

  # Set the information in the scrolling list.
  scrollp.set(@dir_contents, @file_counter, false, scrollp.highlight,
      scrollp.box)

  # Clean out the entry field.
  self.setCurrentItem(0)
  entry.clean

  # Redraw the widget.
  self.erase
  self.draw(@box)
end

#setCurrentItem(item) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 799

def setCurrentItem(item)
  if @file_counter != 0
    @scroll_field.setCurrent(item)

    data = self.contentToPath(@dir_contents[@scroll_field.getCurrentItem])
    @entry_field.setValue(data)
  end
end

#setDirAttribute(attribute) ⇒ Object

This sets the attribute of the directory attribute in the scrolling list.



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# File 'lib/cdk/components/fselect.rb', line 716

def setDirAttribute(attribute)
  # Make sure they are not the same.
  if @dir_attribute != attribute
    @dir_attribute = attribute
    self.setDirContents
  end
end

#setDirContents ⇒ Object

This creates a list of the files in the current directory.



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# File 'lib/cdk/components/fselect.rb', line 610

def setDirContents
  dir_list = []

  # Get the directory contents
  file_count = CDK.getDirectoryContents(@pwd, dir_list)
  if file_count <= 0
    # We couldn't read the directory. Return.
    return false
  end

  @dir_contents = dir_list
  @file_counter = file_count

  # Set the properties of the files.
  (0...@file_counter).each do |x|
    attr = ''
    mode = '?'

    # FIXME(original): access() would give a more correct answer
    # TODO: add error handling
    file_stat = File.stat(dir_list[x])
    if file_stat.executable?
      mode = '*'
    else
      mode = ' '
    end

    case
    when file_stat.symlink?
      attr = @link_attribute
      mode = '@'
    when file_stat.socket?
      attr = @sock_attribute
      mode = '&'
    when file_stat.file?
      attr = @file_attribute
    when file_stat.directory?
      attr = @dir_attribute
      mode = '/'
    end
    @dir_contents[x] = '%s%s%s' % [attr, dir_list[x], mode]
  end
  return true
end

#setDirectory(directory) ⇒ Object

This sets the current directory of the file selector.



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# File 'lib/cdk/components/fselect.rb', line 661

def setDirectory(directory)
  fentry = @entry_field
  fscroll = @scroll_field
  result = 1

  # If the directory supplied is the same as what is already there, return.
  if @pwd != directory
    # Try to chdir into the given directory.
    if Dir.chdir(directory) != 0
      result = 0
    else
      @pwd = Dir.getwd

      # Set the contents of the entry field.
      fentry.setValue(@pwd)
      fentry.draw(fentry.box)

      # Get the directory contents.
      if self.setDirContents
        # Set the values in the scrolling list.
        fscroll.setItems(@dir_contents, @file_counter, false)
      else
        result = 0
      end
    end
  end
  return result
end

#setFileAttribute(attribute) ⇒ Object

This sets the attribute of the file attribute in the scrolling list.



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# File 'lib/cdk/components/fselect.rb', line 755

def setFileAttribute(attribute)
  # Make sure they are not the same.
  if @file_attribute != attribute
    @file_attribute = attribute
    self.setDirContents
  end
end

#setFillerChar(filler) ⇒ Object

This sets the filler character of the entry field.



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# File 'lib/cdk/components/fselect.rb', line 695

def setFillerChar(filler)
  @filler_character = filler
  @entry_field.setFillerChar(filler)
end

#setHighlight(highlight) ⇒ Object

This sets the highlight bar of the scrolling list.



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# File 'lib/cdk/components/fselect.rb', line 705

def setHighlight(highlight)
  @highlight = highlight
  @scroll_field.setHighlight(highlight)
end

#setLinkAttribute(attribute) ⇒ Object

This sets the attribute of the link attribute in the scrolling list.



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# File 'lib/cdk/components/fselect.rb', line 729

def setLinkAttribute(attribute)
  # Make sure they are not the same.
  if @link_attribute != attribute
    @link_attribute = attribute
    self.setDirContents
  end
end

#setMyBXattr(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 835

def setMyBXattr(character)
  @entry_field.setBXattr(character)
  @scroll_field.setBXattr(character)
end

#setMyHZchar(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 830

def setMyHZchar(character)
  @entry_field.setHZchar(character)
  @scroll_field.setHZchar(character)
end

#setMyLLchar(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 817

def setMyLLchar(character)
  @scroll_field.setLLchar(character)
end

#setMyLRchar(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 821

def setMyLRchar(character)
  @scroll_field.setLRchar(character)
end

#setMyULchar(character) ⇒ Object

These functions set the draw characters of the widget.



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# File 'lib/cdk/components/fselect.rb', line 809

def setMyULchar(character)
  @entry_field.setULchar(character)
end

#setMyURchar(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 813

def setMyURchar(character)
  @entry_field.setURchar(character)
end

#setMyVTchar(character) ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 825

def setMyVTchar(character)
  @entry_field.setVTchar(character)
  @scroll_field.setVTchar(character)
end

#setSocketAttribute(attribute) ⇒ Object

This sets the attribute of the socket attribute in the scrolling list.



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# File 'lib/cdk/components/fselect.rb', line 742

def setSocketAttribute(attribute)
  # Make sure they are not the same.
  if @sock_attribute != attribute
    @sock_attribute = attribute
    self.setDirContents
  end
end

#unfocus ⇒ Object 



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# File 'lib/cdk/components/fselect.rb', line 927

def unfocus
  @entry_field.unfocus
end