/EditTagDialog.rb

# Edit tags dialog
# Copyright (C) <2008-2010>  Abdelrahman ghanem <abom.jdev@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

require 'UiEditTagDialog'

class EditTagDialog < Qt::Dialog
  attr :file,true
  attr :apply_for_all
  attr :sura
  attr :shiekh
  attr :mushaf
  attr :year
  attr :comment
  attr :cover_image
  attr :cover_image_desc
  attr :mimetype
  
  slots 'save()','en_title_field(int)','browse()','save_image()'
  
  def initialize parent=nil
    super parent
    @parent=parent
    @edialog=Ui_EditTagDialog.new
    @edialog.setupUi self
    
    @tagger=Tagger.new
    
    connect(@edialog.btnsave,SIGNAL('clicked()'),
            self,SLOT('save()'))
    connect(@edialog.btnbrowse,SIGNAL('clicked()'),
            self,SLOT('browse()'))
    connect(@edialog.btnsaveas,SIGNAL('clicked()'),
            self,SLOT('save_image()'))
    connect(@edialog.checkall,SIGNAL('stateChanged(int)'),
            self,SLOT('en_title_field(int)'))
    
  end
  
  def clear
    @edialog.txtsura.clear
    @edialog.txtshiekh.clear
    @edialog.txtmushaf.clear
    @edialog.txtyear.clear
    @edialog.ptxtcomment.clear
    @edialog.checkall.checked=false
  end
  
  def fill_fields!
    @edialog.txtfile.text=file
    @tagger.file=file
    @tagger.get!
    @edialog.txtsura.text=@tagger.title
    @edialog.txtshiekh.text=@tagger.artist
    @edialog.txtmushaf.text=@tagger.album
    @edialog.txtyear.text=@tagger.year
    @edialog.ptxtcomment.plainText=@tagger.comment
    if File.extname(file).downcase != ".mp3"
      @edialog.gbcover.hide
      self.resize(400,300)
    elsif !@tagger.cover_image.nil?
      ext=@tagger.mimetype.split('/')[1]
      temp_file="/tmp/temporary_image_for_preview.#{ext}"
      File.open(temp_file,'wb+'){|f|f.write(@tagger.cover_image)}
      @edialog.txtcoverimage.text=temp_file
      image=Qt::Pixmap.new(temp_file)
      #image.loadFromData(Qt::ByteArray.new(@tagger.cover_image))
      @edialog.lblpreview.pixmap=image
      @edialog.btnsave.enabled=true
      @edialog.txtco_img_desc.plainText=@tagger.cover_image_desc
    elsif @tagger.cover_image.nil?
      @edialog.txtcoverimage.text="Not Found"
      @edialog.btnsaveas.enabled=false
    end
  end
  
  def save
    if !@edialog.checkall.checked
      @tagger.title=@edialog.txtsura.text
      @tagger.artist=@edialog.txtshiekh.text
      @tagger.album=@edialog.txtmushaf.text
      @tagger.year=@edialog.txtyear.text
      @tagger.comment=@edialog.ptxtcomment.plainText
      @tagger.cover_image=@edialog.txtcoverimage.text
      @tagger.cover_image_desc=@edialog.txtco_img_desc.plainText
      @tagger.set!
      self.reject
    else
      @shiekh=@edialog.txtshiekh.text
      @mushaf=@edialog.txtmushaf.text
      @year=@edialog.txtyear.text
      @comment=@edialog.ptxtcomment.plainText
      @cover_image=@edialog.txtcoverimage.text
      @cover_image_desc=@edialog.txtco_img_desc.plainText
      self.accept
    end
    @apply_for_all=@edialog.checkall.checked
  end
  
  def browse
    image=Qt::FileDialog.getOpenFileName(self, tr("Choose Image File"),
                                                 ENV['HOME'],
                                                 tr("Images (*.jpeg *.jpg *png)"))
    unless image.nil?
      @mimetype="image/#{File.extname(image)[1..-1]}"
      @edialog.txtcoverimage.text=image 
      @edialog.lblpreview.pixmap=Qt::Pixmap.new(image)
    end
  end
  
  def en_title_field int
    case int
    when 0 : @edialog.txtsura.enabled=true
    when 2 : @edialog.txtsura.enabled=false
    end
  end
  
  def save_image
    out_image=Qt::FileDialog.getSaveFileName(self, tr("Output Image File"),
                                                 ENV['HOME'],
                                                 tr("Images (*.jpeg *.jpg *png)"))
    if out_image
      @edialog.lblpreview.pixmap.save(out_image)
    end
  end
  
end