Préparatifs pour personaliser la boîte de dialogue d'ouveture des fichiers.

[minwii.git] / src / minwii / widgets / songfilebrowser.py

diff --git a/src/minwii/widgets/songfilebrowser.py b/src/minwii/widgets/songfilebrowser.py
index 99f81da..33b5cd5 100755 (executable)
--- a/src/minwii/widgets/songfilebrowser.py
+++ b/src/minwii/widgets/songfilebrowser.py
@@ -7,19 +7,64 @@ $URL$
 """
 
 from pgu.gui import FileDialog
 """
 
 from pgu.gui import FileDialog

+import pgu.gui.basic as basic
+import pgu.gui.input as input
+import pgu.gui.button as button
+import pgu.gui.pguglobals as pguglobals
+import pgu.gui.table as table
+import pgu.gui.area as area
+from pgu.gui.const import *
+from pgu.gui.dialog import Dialog
+

 import os
 import os

+import tempfile

 from xml.etree import ElementTree
 from xml.etree import ElementTree

+from minwii.musicxml import musicXml2Song
+
+INDEX_TXT = 'index.txt'

 
 class FileOpenDialog(FileDialog):
     
     
     
     def __init__(self, path):
 
 class FileOpenDialog(FileDialog):
     
     
     
     def __init__(self, path):

-        FileDialog.__init__(self, 
-                            title_txt="Ouvrir une chanson",
-                            button_txt="Ouvrir",
-                            path=path,
-                            )
+        cls1 = 'filedialog'
+        if not path: self.curdir = os.getcwd()
+        else: self.curdir = path
+        self.dir_img = basic.Image(
+            pguglobals.app.theme.get(cls1+'.folder', '', 'image'))
+        td_style = {'padding_left': 4,
+                    'padding_right': 4,
+                    'padding_top': 2,
+                    'padding_bottom': 2}
+        self.title = basic.Label("Ouvrir un chanson", cls="dialog.title.label")
+        self.body = table.Table()
+        self.list = area.List(width=700, height=250)
+        self.input_dir = input.Input()
+        self.input_file = input.Input()
+        self._list_dir_()
+        self.button_ok = button.Button("Ouvrir")
+        self.body.tr()
+        self.body.td(basic.Label("Dossier"), style=td_style, align=-1)
+        self.body.td(self.input_dir, style=td_style)
+        self.body.tr()
+        self.body.td(self.list, colspan=3, style=td_style)
+        self.list.connect(CHANGE, self._item_select_changed_, None)
+        self.button_ok.connect(CLICK, self._button_okay_clicked_, None)
+        self.body.tr()
+        self.body.td(basic.Label("Fichier"), style=td_style, align=-1)
+        self.body.td(self.input_file, style=td_style)
+        self.body.td(self.button_ok, style=td_style)
+        self.value = None
+        Dialog.__init__(self, self.title, self.body)
+        
+#        FileDialog.__init__(self, 
+#                            title_txt="Ouvrir une chanson",
+#                            button_txt="Ouvrir",
+#                            path=path,
+#                            )
+#        self.list.style.width = 700
+#        self.list.style.height = 250

     
     def _list_dir_(self):
         self.input_dir.value = self.curdir
     
     def _list_dir_(self):
         self.input_dir.value = self.curdir


@@ -41,25 +86,148 @@ class FileOpenDialog(FileDialog):
         files.sort()
         for i in dirs:
             self.list.add(i, image=self.dir_img, value=i)
         files.sort()
         for i in dirs:
             self.list.add(i, image=self.dir_img, value=i)

-
+        
+        xmlFiles = []

         for i in files:
         for i in files:

-            if not i.endswith('.xml') : 
+            if not i.endswith('.xml') :

                 continue
             filepath = os.path.join(self.curdir, i)
                 continue
             filepath = os.path.join(self.curdir, i)

-            self.list.add(FileOpenDialog.getSongTitle(filepath), value=i)
+            xmlFiles.append(filepath)
+            # self.list.add(FileOpenDialog.getSongTitle(filepath), value=i)
+        
+        if xmlFiles :
+            printableLines = self.getPrintableLines(xmlFiles)
+            for l in printableLines :
+                self.list.add(l[0], value = l[1])

  
         self.list.set_vertical_scroll(0)
     
  
         self.list.set_vertical_scroll(0)
     

+    def getPrintableLines(self, xmlFiles) :
+        index = self.getUpdatedIndex(xmlFiles)
+
+        printableLines = []
+        for l in index :
+            l = l.strip()
+            l = l.split('\t')
+            printableLines.append(('%s - %s / %s' % (l[2], l[3], l[4]), l[0]))
+        
+        return printableLines
+    
+    

     @staticmethod
     def getSongTitle(file) :
         it = ElementTree.iterparse(file, ['start', 'end'])
         creditFound = False
     @staticmethod
     def getSongTitle(file) :
         it = ElementTree.iterparse(file, ['start', 'end'])
         creditFound = False

+        title = os.path.basename(file)

         
         for evt, el in it :
             if el.tag == 'credit' :
                 creditFound = True
             if el.tag == 'credit-words' and creditFound:
         
         for evt, el in it :
             if el.tag == 'credit' :
                 creditFound = True
             if el.tag == 'credit-words' and creditFound:

-                return el.text.encode('iso-8859-1')
+                title = el.text
+                break

             if el.tag == 'part-list' :
             if el.tag == 'part-list' :

-                # plus de chance de trouver un titre
-                return os.path.basename(file)
\ No newline at end of file
+                # au delà de ce tag : aucune chance de trouver un titre
+                break
+        return title
+    
+    @staticmethod
+    def getSongMetadata(file) :
+        metadata = {}
+        metadata['title'] = FileOpenDialog.getSongTitle(file).encode('iso-8859-1')
+        metadata['mtime'] = str(os.stat(file).st_mtime)
+        metadata['file'] = os.path.basename(file)
+        song = musicXml2Song(file)
+        metadata['distinctNotes'] = len(song.distinctNotes)
+        
+        histo = song.intervalsHistogram
+        coeffInter = reduce(lambda a, b : a + b,
+                            [abs(k) * v for k, v in histo.items()])
+
+        totInter = reduce(lambda a, b: a+b, histo.values())
+        totInter = totInter - histo.get(0, 0)
+        difficulty = int(round(float(coeffInter) / totInter, 0))
+        metadata['difficulty'] = difficulty
+
+        return metadata
+    
+    def getUpdatedIndex(self, xmlFiles) :
+        indexTxtPath = os.path.join(self.curdir, INDEX_TXT)
+        index = []
+        
+        if not os.path.exists(indexTxtPath) :
+            musicXmlFound = False
+            tmp = tempfile.TemporaryFile(mode='r+')
+            for file in xmlFiles :
+                try :
+                    metadata = FileOpenDialog.getSongMetadata(file)
+                    musicXmlFound = True
+                except ValueError, e :
+                    print e
+                    if e.args and e.args[0] == 'not a musicxml file' :
+                        continue
+                
+                line = '%(file)s\t%(mtime)s\t%(title)s\t%(distinctNotes)d\t%(difficulty)d\n' % metadata
+                index.append(line)
+                tmp.write(line)
+            
+            if musicXmlFound :
+                tmp.seek(0)
+                indexFile = open(indexTxtPath, 'w')
+                indexFile.write(tmp.read())
+                indexFile.close()
+            tmp.close()
+        else :
+            indexedFiles = {}
+            indexTxt = open(indexTxtPath, 'r')
+
+            # check if index is up to date, and update entries if so.
+            for l in filter(None, indexTxt.readlines()) :
+                parts = l.split('\t')
+                fileBaseName, modificationTime = parts[0], parts[1]
+                filePath = os.path.join(self.curdir, fileBaseName)
+
+                if not os.path.exists(filePath) :
+                    continue
+
+                indexedFiles[fileBaseName] = l
+                currentMtime = str(os.stat(filePath).st_mtime)
+                
+                # check modification time missmatch
+                if currentMtime != modificationTime :
+                    try :
+                        metadata = FileOpenDialog.getSongMetadata(filePath)
+                        musicXmlFound = True
+                    except ValueError, e :
+                        print e
+                        if e.args and e.args[0] == 'not a musicxml file' :
+                            continue
+                    
+                    metadata = FileOpenDialog.getSongMetadata(filePath)
+                    line = '%(file)s\t%(mtime)s\t%(title)s\t%(distinctNotes)d\t%(difficulty)d\n' % metadata
+                    indexedFiles[fileBaseName] = line
+            
+            # check for new files.
+            for file in xmlFiles :
+                fileBaseName = os.path.basename(file)
+                if not indexedFiles.has_key(fileBaseName) :
+                    try :
+                        metadata = FileOpenDialog.getSongMetadata(filePath)
+                        musicXmlFound = True
+                    except ValueError, e :
+                        print e
+                        if e.args and e.args[0] == 'not a musicxml file' :
+                            continue
+                
+                    metadata = FileOpenDialog.getSongMetadata(file)
+                    line = '%(file)s\t%(mtime)s\t%(title)s\t%(distinctNotes)d\t%(difficulty)d\n' % metadata
+                    indexedFiles[fileBaseName] = line
+            
+            # ok, the index is up to date !
+            
+            index = indexedFiles.values()
+            index.sort()
+            
+        
+        return index
+        
\ No newline at end of file