* Added context menu item for possibility to remove tags form file or

even files.
 * Change of a way to display files after tag click - all files, that
   have clicked tag will be appear in files TreeView.

resources/glade/dialogs.glade

@@ -759,4 +759,80 @@
       </widget>
     </child>
   </widget>
+  <widget class="GtkDialog" id="tagRemove">
+    <property name="width_request">600</property>
+    <property name="height_request">400</property>
+    <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+    <property name="border_width">5</property>
+    <property name="title" translatable="yes">pyGTKtalog - remove tags</property>
+    <property name="modal">True</property>
+    <property name="window_position">GTK_WIN_POS_CENTER_ON_PARENT</property>
+    <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
+    <property name="has_separator">False</property>
+    <child internal-child="vbox">
+      <widget class="GtkVBox" id="dialog-vbox7">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+        <property name="spacing">2</property>
+        <child>
+          <widget class="GtkScrolledWindow" id="scrolledwindow3">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+            <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+            <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+            <property name="shadow_type">GTK_SHADOW_IN</property>
+            <child>
+              <widget class="GtkTreeView" id="treeview1">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                <property name="headers_clickable">True</property>
+                <property name="rules_hint">True</property>
+              </widget>
+            </child>
+          </widget>
+          <packing>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child internal-child="action_area">
+          <widget class="GtkHButtonBox" id="dialog-action_area7">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+            <property name="layout_style">GTK_BUTTONBOX_END</property>
+            <child>
+              <widget class="GtkButton" id="cancel5">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label" translatable="yes">gtk-cancel</property>
+                <property name="use_stock">True</property>
+                <property name="response_id">-6</property>
+              </widget>
+            </child>
+            <child>
+              <widget class="GtkButton" id="ok2">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label" translatable="yes">gtk-remove</property>
+                <property name="use_stock">True</property>
+                <property name="response_id">-5</property>
+              </widget>
+              <packing>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="pack_type">GTK_PACK_END</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
 </glade-interface>

resources/glade/main.glade

@@ -861,6 +861,20 @@
         <signal name="activate" handler="on_add_tag1_activate"/>
       </widget>
     </child>
+    <child>
+      <widget class="GtkMenuItem" id="delete_tag">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+        <property name="label" translatable="yes">Remo_ve tag</property>
+        <property name="use_underline">True</property>
+        <signal name="activate" handler="on_delete_tag_activate"/>
+      </widget>
+    </child>
+    <child>
+      <widget class="GtkSeparatorMenuItem" id="separator11">
+        <property name="visible">True</property>
+      </widget>
+    </child>
     <child>
       <widget class="GtkMenuItem" id="add_thumb1">
         <property name="visible">True</property>
@@ -967,7 +981,7 @@
     <child>
       <widget class="GtkMenuItem" id="img_delete">
         <property name="visible">True</property>
-        <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
         <property name="label" translatable="yes">_Delete images</property>
         <property name="use_underline">True</property>
         <signal name="activate" handler="on_img_delete_activate"/>

src/ctrls/c_main.py

@@ -193,7 +193,6 @@ class MainController(Controller):
                                               int(event.x), int(event.y))
         iterator = textview.get_iter_at_location(x, y)
         
-        # call open_url if an URL is assigned to the iter
         tags = iterator.get_tags()
         
         if len(tags) == 1:
@@ -215,7 +214,9 @@ class MainController(Controller):
                 else:
                     self.view['tag_path'].set_text(txt + ", " +tag1)
             self.__tag_cloud()
-            
+        self.model.get_root_entries()
+        self.view['files'].set_model(self.model.files_list)
+        self.__hide_details()
 
     def on_tag_cloud_textview_drag_data_received(self, widget, context, x, y,
                                                  selection, targetType, time):
@@ -401,6 +402,13 @@ class MainController(Controller):
         self.view['tag_path_box'].hide()
         self.model.selected_tags = []
         self.model.refresh_discs_tree()
+        
+        # cleanup files and detiles
+        try:
+            self.model.files_list.clear()
+        except:
+            pass
+        self.__hide_details()
         self.on_discs_cursor_changed(w)
         self.__tag_cloud()
     
@@ -472,6 +480,7 @@ class MainController(Controller):
                     self.view['tag_path'].set_text(txt + ", " +tag1)
             self.__tag_cloud()
             
+                    
         #elif event.type == gtk.gdk.MOTION_NOTIFY:
         #    window = tag_cloud.get_window(gtk.TEXT_WINDOW_TEXT)
         #    if window:
@@ -511,10 +520,13 @@ class MainController(Controller):
                 return
         self.model.new()
 
-        # clear "details" buffer
+        # cleanup files and details
-        buf = self.view['description'].get_buffer()
+        try:
-        buf.set_text("")
+            self.model.files_list.clear()
-        self.view['description'].set_buffer(buf)
+        except:
+            pass
+        self.__hide_details()
+        self.view['tag_path_box'].hide()
         self.__activate_ui()
         self.__tag_cloud()
 
@@ -640,6 +652,17 @@ class MainController(Controller):
         if not path:
             path = Dialogs.LoadDBFile().run()
         
+        # cleanup files and details
+        try:
+            self.model.files_list.clear()
+        except:
+            pass
+        self.__hide_details()
+        self.view['tag_path_box'].hide()
+        buf = self.view['tag_cloud_textview'].get_buffer()
+        buf.set_text('')
+        self.view['tag_cloud_textview'].set_buffer(buf)
+        
         if path:
             if not self.model.open(path):
                 Dialogs.Err("Error opening file - pyGTKtalog",
@@ -928,6 +951,28 @@ class MainController(Controller):
         return
 
     # NOTE: add tags / images
+    def on_delete_tag_activate(self, menu_item):
+        ids = self.__get_tv_selection_ids(self.view['files'])
+        if not ids:
+            Dialogs.Inf("Remove tags", "No files selected",
+                        "You have to select some files first.")
+            return
+        
+        tags = self.model.get_tags_by_file_id(ids)
+        if tags:
+            d = Dialogs.TagsRemoveDialog(tags)
+            retcode, retval = d.run()
+            if retcode=="ok" and not retval:
+                Dialogs.Inf("Remove tags", "No tags selected",
+                            "You have to select any tag to remove from files.")
+                return
+            elif retcode == "ok" and retval:
+                self.model.delete_tags(ids, retval)
+                self.model.get_root_entries()
+                self.view['files'].set_model(self.model.files_list)
+                self.__tag_cloud()
+        return
+        
     def on_add_tag1_activate(self, menu_item):
         #try:
         tags = Dialogs.TagsDialog().run()
@@ -1123,7 +1168,7 @@ class MainController(Controller):
             print "abort = %s" % self.model.abort
             print "self.model.config.recent = %s" % self.model.config.recent
             print "source: %s" % self.model.source
-            self.__tag_cloud()
+            
 
     #####################
     # observed properetis
@@ -1335,11 +1380,7 @@ class MainController(Controller):
         
         buf = gtk.TextBuffer()
         if not file_id:
-            buf.set_text('')
+            self.__hide_details()
-            self.view['img_container'].hide()
-            self.view['exifinfo'].hide()
-            self.view['thumb_box'].hide()
-            self.view['description'].set_buffer(buf)
             return
         #self.view['description'].show()
         set = self.model.get_file_info(file_id)
@@ -1452,6 +1493,16 @@ class MainController(Controller):
                                           cloud['name'] + "(%d)" % cloud['count'],
                                           tag)
                 except:
-                    print "fuckup", cloud
+                    if __debug__:
+                        print "c_main.py: __tag_cloud: error on tag:", cloud
+
+    def __hide_details(self):
+        """hide details and "reset" tabs visibility"""
+        buf = self.view['description'].get_buffer()
+        buf.set_text('')
+        self.view['img_container'].hide()
+        self.view['exifinfo'].hide()
+        self.view['thumb_box'].hide()
+        self.view['description'].set_buffer(buf)
 
     pass # end of class

src/models/m_main.py

@@ -162,6 +162,25 @@ class MainModel(ModelMT):
         self.get_tags()
         return
 
+    def get_tags_by_file_id(self, file_id_list):
+        """return dictionary of tags by connected files"""
+        # SQL: get tags by file_ids
+        if len(file_id_list) == 1:
+            sql = "(%d)" % file_id_list[0]
+        else:
+            sql = str(tuple(file_id_list))
+        sql = """SELECT DISTINCT t.id, t.tag FROM tags_files f
+        LEFT JOIN tags t on t.id = f.tag_id
+        WHERE f.file_id in """ + sql + """
+        ORDER BY t.tag"""
+        self.db_cursor.execute(sql)
+        res = self.db_cursor.fetchall()
+        
+        retval = {}
+        for tag in res:
+            retval[tag[0]] = tag[1]
+        return retval
+        
     def get_tag_by_id(self, tag_id):
         """get tag (string) by its id"""
         # SQL: get tag by id
@@ -192,6 +211,18 @@ class MainModel(ModelMT):
             
         return tmp
         
+    def delete_tags(self, file_id_list, tag_id_list):
+        """remove tags from selected files"""
+        for file_id in file_id_list:
+            # SQL: remove tags for selected file
+            if len(tag_id_list) == 1:
+                sql = "(%d)" % tag_id_list[0]
+            else:
+                sql = str(tuple(tag_id_list))
+            sql = """DELETE FROM tags_files WHERE file_id = ?
+            AND tag_id IN """ + sql
+            self.db_cursor.execute(sql, (int(file_id), ))
+        
     def get_tags(self):
         """fill tags dict with values from db"""
         if not self.selected_tags:
@@ -398,7 +429,7 @@ class MainModel(ModelMT):
         self.__create_database()
         self.__clear_trees()
         self.tag_cloud = []
-        self.selected_tags = None
+        self.selected_tags = {}
         return
 
     def save(self, filename=None):
@@ -420,6 +451,8 @@ class MainModel(ModelMT):
         self.unsaved_project = False
         self.__create_internal_dirname()
         self.filename = filename
+        self.tag_cloud = []
+        self.selected_tags = {}
 
         try:
             tar = tarfile.open(filename, "r:gz")
@@ -501,7 +534,6 @@ class MainModel(ModelMT):
             
             for row in self.files_list:
                 if row[0] == file_id:
-                    print row[0], row[1], row[2]
                     row[1] = new_name
                     break
             
@@ -522,11 +554,24 @@ class MainModel(ModelMT):
         """re-fetch discs tree"""
         self.__fetch_db_into_treestore()
 
-    def get_root_entries(self, parent_id):
+    def get_root_entries(self, parent_id=None):
         """Get all children down from sepcified root"""
         self.__clear_files_tree()
-        
+        # if we are in "tag" mode, do the boogie
         # directories first
+        if not parent_id and self.selected_tags:
+            # no parent_id, get all the tagged dirs
+            id_filter = self.__filter2()
+            if id_filter != None:
+                if len(id_filter) == 1:
+                    id_filter = "(%d)" % id_filter[0]
+                else:
+                    id_filter = str(tuple(id_filter))
+                sql = """SELECT id, filename, size, date FROM files
+                WHERE parent_id!=id AND type=1 AND id in """ + \
+                id_filter + """ ORDER BY filename"""
+        else:
+            # we have parent_id, get all the tagged dirs with parent_id
             if not self.selected_tags:
                 sql = """SELECT id, filename, size, date FROM files
                     WHERE parent_id=? AND type=1
@@ -541,8 +586,11 @@ class MainModel(ModelMT):
                     sql="""SELECT id, filename, size, date FROM files
                     WHERE 1=0"""
         
-        
+        if not parent_id and self.selected_tags:
+            self.db_cursor.execute(sql)
+        else:
             self.db_cursor.execute(sql, (parent_id,))
+            
         data = self.db_cursor.fetchall()
         for row in data:
             myiter = self.files_list.insert_before(None, None)
@@ -556,6 +604,15 @@ class MainModel(ModelMT):
             self.files_list.set_value(myiter, 6, gtk.STOCK_DIRECTORY)
 
         # all the rest
+        if not parent_id and self.selected_tags:
+            # no parent_id, get all the tagged files
+            if id_filter != None:
+                sql = """SELECT f.id, f.filename, f.size, f.date, f.type
+                FROM files f
+                WHERE f.type!=1 AND id IN """ + id_filter + \
+                """ ORDER BY f.filename"""
+        else:
+            # we have parent_id, get all the tagged files with parent_id
             if not self.selected_tags:
                 sql = """SELECT f.id, f.filename, f.size, f.date, f.type
                 FROM files f
@@ -572,8 +629,11 @@ class MainModel(ModelMT):
                     FROM files f
                     WHERE 1=0"""
 
-        
+        if not parent_id and self.selected_tags:
+            self.db_cursor.execute(sql)
+        else:
             self.db_cursor.execute(sql, (parent_id,))
+            
         data = self.db_cursor.fetchall()
         for row in data:
             myiter = self.files_list.insert_before(None, None)
@@ -948,6 +1008,7 @@ class MainModel(ModelMT):
     def __create_internal_dirname(self):
         """create temporary directory for working thumb/image files and
         database"""
+        # TODO: change this stupid rutine into tempfile mkdtemp method
         self.cleanup()
         self.internal_dirname = "/tmp/pygtktalog%d" % \
             datetime.now().microsecond
@@ -1085,6 +1146,30 @@ class MainModel(ModelMT):
                         
         return list(set(parents).union(filtered_ids))
         
+    def __filter2(self):
+        """return list of ids of files (WITHOUT their parent) that
+        corresponds to tags"""
+        
+        filtered_ids = []
+        count = 0
+        for tid in self.selected_tags:
+            temp1 = []
+            sql = """SELECT file_id
+            FROM tags_files
+            WHERE tag_id=? """
+            self.db_cursor.execute(sql, (tid, ))
+            data = self.db_cursor.fetchall()
+            for row in data:
+                temp1.append(row[0])
+                
+            if count > 0:
+                filtered_ids = list(set(filtered_ids).intersection(temp1))
+            else:
+                filtered_ids = temp1
+            count += 1
+
+        return filtered_ids
+        
     def __scan(self):
         """scan content of the given path"""
         self.busy = True

src/views/v_dialogs.py

@@ -23,6 +23,7 @@
 #  -------------------------------------------------------------------------
 
 import gtk
+import gobject
 import os
 import utils.globals
 
@@ -498,6 +499,65 @@ class TagsDialog(object):
             return entry.get_text()
         return None
         
+class TagsRemoveDialog(object):
+    """Sepcific dialog for display stats"""
+
+    def __init__(self, tag_dict=None):
+        self.gladefile = os.path.join(utils.globals.GLADE_DIR, "dialogs.glade")
+        self.tag_dict = tag_dict
+
+    def run(self):
+        if not self.tag_dict:
+            return None
+            
+        gladexml = gtk.glade.XML(self.gladefile, "tagRemove")
+        dialog = gladexml.get_widget("tagRemove")
+        
+        # fill model with dict
+        model = gtk.ListStore(gobject.TYPE_INT,
+                              gobject.TYPE_STRING, gobject.TYPE_BOOLEAN)
+        for tag in self.tag_dict:
+            myiter = model.insert_before(None, None)
+            model.set_value(myiter, 0, tag)
+            model.set_value(myiter, 1, self.tag_dict[tag])
+            model.set_value(myiter, 2, None)
+        
+        def toggle(cell, path, model):
+            model[path][2] = not model[path][2]
+            
+        def toggle_all(column, model):
+            for row in model:
+                row[2] = not row[2]
+            
+        treeview = gladexml.get_widget("treeview1")
+        treeview.set_model(model)
+        
+        renderer = gtk.CellRendererText()
+        column = gtk.TreeViewColumn("Tag", renderer, text=1)
+        column.set_property('expand', True)
+        treeview.append_column(column)
+        
+        renderer = gtk.CellRendererToggle()
+        renderer.set_property('activatable', True)
+        renderer.connect('toggled', toggle, model)
+        column = gtk.TreeViewColumn("Toggle", renderer)
+        column.add_attribute(renderer, "active", 2)
+        column.set_property('expand', False)
+        column.set_property("clickable", True)
+        column.connect("clicked", toggle_all, model)
+        treeview.append_column(column)
+        
+        result = dialog.run()
+
+        dialog.destroy()
+        if result == gtk.RESPONSE_OK:
+            ids = []
+            for i in model:
+                if i[2]:
+                    ids.append(i[0])
+            return "ok", ids
+        return None, None
+
 class EditDialog(object):
     """Sepcific dialog for display stats"""