Article 22

#!/usr/bin/env python
import sys
from mutagen.mp3 import MP3
try:
    import pygtk
    pygtk.require("2.0")
except:
    pass
try:
    import gtk
    import gtk.glade
except:
    sys.exit(1)

class PlayListCreator:
    def __init__(self):
        self.gladefile = "playlistmaker.glade"
        self.wTree = gtk.glade.XML(self.gladefile,"MainWindow")
        self.SetEventDictionary()
        self.SetWidgetReferences()
        self.SetupTreeview()
        self.CurrentPath = ""
        self.CurrentRow = 0
        self.RowCount = 0

    def SetEventDictionary(self):
        dict = {"on_MainWindow_destroy": gtk.main_quit,
                "on_tbtnQuit_clicked": gtk.main_quit,
                "on_tbtnAdd_clicked": self.on_tbtnAdd_clicked,
                "on_tbtnDelete_clicked": self.on_tbtnDelete_clicked,
                "on_tbtnClearAll_clicked": self.on_tbtnClearAll_clicked,
                "on_tbtnMoveToTop_clicked": self.on_tbtnMoveToTop_clicked,
                "on_tbtnMoveUp_clicked": self.on_tbtnMoveUp_clicked,
                "on_tbtnMoveDown_clicked": self.on_tbtnMoveDown_clicked,
                "on_tbtnMoveToBottom_clicked": self.on_tbtnMoveToBottom_clicked,
                "on_tbtnAbout_clicked": self.on_tbtnAbout_clicked,
                "on_btnGetFolder_clicked": self.on_btnGetFolder_clicked,
                "on_btnSavePlaylist_clicked": self.on_btnSavePlaylist_clicked}
        self.wTree.signal_autoconnect(dict)

    def SetWidgetReferences(self):
        self.txtFilename = self.wTree.get_widget("txtFilename")
        self.txtPath = self.wTree.get_widget("txtPath")
        self.tbtnAdd = self.wTree.get_widget("tbtnAdd")
        self.tbtnDelete = self.wTree.get_widget("tbtnDelete")
        self.tbtnClearAll = self.wTree.get_widget("tbtnClearAll")
        self.tbtnQuit = self.wTree.get_widget("tbtnQuit")
        self.tbtnAbout = self.wTree.get_widget("tbtnAbout")
        self.tbtnMoveToTop = self.wTree.get_widget("tbtnMoveToTop")
        self.tbtnMoveUp = self.wTree.get_widget("tbtnMoveUp")
        self.tbtnMoveDown = self.wTree.get_widget("tbtnMoveDown")
        self.tbtnMoveToBottom = self.wTree.get_widget("tbtnMoveToBottom")
        self.btnGetFolder = self.wTree.get_widget("btnGetFolder")
        self.btnSavePlaylist = self.wTree.get_widget("btnSavePlaylist")
        self.sbar = self.wTree.get_widget("statusbar1")
        self.context_id = self.sbar.get_context_id("Statusbar")

    def SetupTreeview(self):
        self.cFName = 0
        self.cFType = 1
        self.cFPath = 2
        self.sFName = "Filename"
        self.sFType = "Type"
        self.sFPath = "Folder"
        self.treeview = self.wTree.get_widget("treeview1")
        self.AddPlaylistColumn(self.sFName,self.cFName)
        self.AddPlaylistColumn(self.sFType,self.cFType)
        self.AddPlaylistColumn(self.sFPath,self.cFPath)
        self.playList = gtk.ListStore(str,str,str)
        self.treeview.set_model(self.playList)
        self.treeview.set_grid_lines(gtk.TREE_VIEW_GRID_LINES_BOTH)

    def AddPlaylistColumn(self,title,columnId):
        column = gtk.TreeViewColumn(title,gtk.CellRendererText(),text=columnId)
        column.set_resizable(True)
        column.set_sort_column_id(columnId)
        self.treeview.append_column(column)

    def on_tbtnAdd_clicked(self,widget):
        #self.MessageBox("info","Button Add was clicked...")
        fd = FileDialog()
        selectedfiles,self.CurrentPath = fd.ShowDialog(0,self.CurrentPath)
##        for f in selectedfiles:
##            print "User selected %s" % f
##        print "Current path is %s" % self.CurrentPath
        self.AddFilesToTreeview(selectedfiles)

    def on_tbtnDelete_clicked(self,widget):
        self.MessageBox("info","Button Delete was clicked...")
    def on_tbtnClearAll_clicked(self,widget):
        self.MessageBox("info","Button ClearAll was clicked...")
    def on_tbtnMoveToTop_clicked(self,widget):
        self.MessageBox("info","Button MoveToTop was clicked...")
    def on_tbtnMoveUp_clicked(self,widget):
        self.MessageBox("info","Button MoveUp was clicked...")
    def on_tbtnMoveDown_clicked(self,widget):
        self.MessageBox("info","Button MoveDown was clicked...")
    def on_tbtnMoveToBottom_clicked(self,widget):
        self.MessageBox("info","Button MoveToBottom was clicked...")
    def on_tbtnAbout_clicked(self,widget):
        #self.MessageBox("info","Button About was clicked...")
        self.ShowAbout()

    def on_btnGetFolder_clicked(self,widget):
        self.MessageBox("info","Button GetFolder was clicked...")
    def on_btnSavePlaylist_clicked(self,widget):
        self.MessageBox("info","Button SavePlaylist was clicked...")

    def AddFilesToTreeview(self,FileList):
        counter = 0
        for f in FileList:
            extStart = f.rfind(".")
            fnameStart = f.rfind("/")
            extension = f[extStart+1:]
            fname = f[fnameStart+1:extStart]
            fpath = f[:fnameStart]
            data = [fname,extension,fpath]
            self.playList.append(data)
            counter += 1
        self.RowCount += counter
        self.sbar.push(self.context_id,"%s files added for a total of %d" % (counter,self.RowCount))
    def MessageBox(self,level,text):
        if level == "info":
            dlg = gtk.MessageDialog(None,0,gtk.MESSAGE_INFO,gtk.BUTTONS_OK,text)
        elif level == "warning":
            dlg = gtk.MessageDialog(None,0,gtk.MESSAGE_WARNING,gtk.BUTTONS_OK,text)
        elif level == "error":
            dlg = gtk.MessageDialog(None,0,gtk.MESSAGE_ERROR,gtk.BUTTONS_OK,text)
        elif level == "question":
            dlg = gtk.MessageDialog(None,0,gtk.MESSAGE_QUESTION,gtk.BUTTONS_YES_NO,text)
        if level == "question":
            resp = dlg.run()
            dlg.destroy()
            return resp
        else:
            resp = dlg.run()
            dlg.destroy()

    def ShowAbout(self):
        about = gtk.AboutDialog()
        about.set_program_name("Playlist Maker")
        about.set_version("1.0")
        about.set_copyright("(c) 2011 by Greg Walters")
        about.set_comments("Written for Full Circle Magazine")
        about.set_website("http://thedesignatedgeek.com")
        about.run()
        about.destroy()

class FileDialog:
    def ShowDialog(self,which,CurrentPath):
        if which == 0: # file chooser
            dialog = gtk.FileChooserDialog("Select files to add...",None,
                               gtk.FILE_CHOOSER_ACTION_OPEN,
                               (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                gtk.STOCK_OPEN, gtk.RESPONSE_OK))
            filter = gtk.FileFilter()
            filter.set_name("Music Files")
            filter.add_pattern("*.mp3")
            filter.add_pattern("*.ogg")
            filter.add_pattern("*.wav")
            dialog.add_filter(filter)
            filter = gtk.FileFilter()
            filter.set_name("All files")
            filter.add_pattern("*")
            dialog.add_filter(filter)

        else:          # folder chooser
            dialog = gtk.FileChooserDialog("Select Save Folder..",None,
                                gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER,
                               (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                gtk.STOCK_OPEN, gtk.RESPONSE_OK))

        dialog.set_default_response(gtk.RESPONSE_OK)
        dialog.set_select_multiple(True)
        if CurrentPath != "":
            dialog.set_current_folder(CurrentPath)
        response = dialog.run()
        if response == gtk.RESPONSE_OK:
            fileselection = dialog.get_filenames()
            CurrentPath = dialog.get_current_folder()
            dialog.destroy()
            return (fileselection,CurrentPath)
        elif response == gtk.RESPONSE_CANCEL:
            print 'Closed, no files selected'
            dialog.destroy()

if __name__ == "__main__":
    plc = PlayListCreator()
    gtk.main()