From 31f7b12b028a89b68291517b056a78b54933a345 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Mon, 28 Jan 2013 10:08:03 +0100
Subject: [PATCH] Finish column icon stuff

---
 resources/images/icon_choose.png          | Bin 0 -> 15025 bytes
 src/calibre/gui2/library/models.py        |  84 ++++++++++++----------
 src/calibre/gui2/preferences/coloring.py  |  39 ++++++----
 src/calibre/gui2/preferences/look_feel.py |   2 +-
 4 files changed, 75 insertions(+), 50 deletions(-)
 create mode 100644 resources/images/icon_choose.png

diff --git a/resources/images/icon_choose.png b/resources/images/icon_choose.png
new file mode 100644
index 0000000000000000000000000000000000000000..5a34aca1dfcffec7cca6b9f06eef5e1107110be6
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HcmV?d00001

diff --git a/src/calibre/gui2/library/models.py b/src/calibre/gui2/library/models.py
index a32c3f1cbc..70fa0ccbda 100644
--- a/src/calibre/gui2/library/models.py
+++ b/src/calibre/gui2/library/models.py
@@ -48,18 +48,20 @@ def default_image():
 
 class ColumnColor(object):
 
-    def __init__(self):
+    def __init__(self, formatter, colors):
         self.mi = None
+        self.formatter = formatter
+        self.colors = colors
 
-    def __call__(self, id_, key, fmt, db, formatter, color_cache, colors):
+    def __call__(self, id_, key, fmt, db, color_cache):
         if id_ in color_cache and key in color_cache[id_]:
             self.mi = None
             return color_cache[id_][key]
         try:
             if self.mi is None:
                 self.mi = db.get_metadata(id_, index_is_id=True)
-            color = formatter.safe_format(fmt, self.mi, '', self.mi)
-            if color in colors:
+            color = self.formatter.safe_format(fmt, self.mi, '', self.mi)
+            if color in self.colors:
                 color = QColor(color)
                 if color.isValid():
                     color = QVariant(color)
@@ -72,10 +74,11 @@ class ColumnColor(object):
 
 class ColumnIcon(object):
 
-    def __init__(self):
+    def __init__(self, formatter):
         self.mi = None
+        self.formatter = formatter
 
-    def __call__(self, id_, key, fmt, kind, db, formatter, icon_cache):
+    def __call__(self, id_, key, fmt, kind, db, icon_cache, icon_bitmap_cache):
         dex = key+kind
         if id_ in icon_cache and dex in icon_cache[id_]:
             self.mi = None
@@ -83,12 +86,17 @@ class ColumnIcon(object):
         try:
             if self.mi is None:
                 self.mi = db.get_metadata(id_, index_is_id=True)
-            icon = formatter.safe_format(fmt, self.mi, '', self.mi)
+            icon = self.formatter.safe_format(fmt, self.mi, '', self.mi)
             if icon:
+                if icon in icon_bitmap_cache:
+                    icon_bitmap = icon_bitmap_cache[icon]
+                    icon_cache[id_][dex] = icon_bitmap
+                    return icon_bitmap
                 d = os.path.join(config_dir, 'cc_icons', icon)
                 if (os.path.exists(d)):
-                    icon = QIcon(d)
-                    icon_cache[id_][dex] = icon
+                    icon_bitmap = QIcon(d)
+                    icon_cache[id_][dex] = icon_bitmap
+                    icon_bitmap_cache[icon] = icon_bitmap
                     self.mi = None
                     return icon
         except:
@@ -121,8 +129,13 @@ class BooksModel(QAbstractTableModel): # {{{
     def __init__(self, parent=None, buffer=40):
         QAbstractTableModel.__init__(self, parent)
         self.db = None
-        self.column_color = ColumnColor()
-        self.column_icon = ColumnIcon()
+
+        self.formatter = SafeFormat()
+        self.colors = frozenset([unicode(c) for c in QColor.colorNames()])
+        self._clear_caches()
+        self.column_color = ColumnColor(self.formatter, self.colors)
+        self.column_icon = ColumnIcon(self.formatter)
+
         self.book_on_device = None
         self.editable_cols = ['title', 'authors', 'rating', 'publisher',
                               'tags', 'series', 'timestamp', 'pubdate',
@@ -134,9 +147,6 @@ class BooksModel(QAbstractTableModel): # {{{
         self.column_map = []
         self.headers = {}
         self.alignment_map = {}
-        self.color_cache = defaultdict(dict)
-        self.icon_cache = defaultdict(dict)
-        self.color_row_fmt_cache = None
         self.buffer_size = buffer
         self.metadata_backup = None
         self.bool_yes_icon = QIcon(I('ok.png'))
@@ -147,10 +157,14 @@ class BooksModel(QAbstractTableModel): # {{{
         self.ids_to_highlight_set = set()
         self.current_highlighted_idx = None
         self.highlight_only = False
-        self.colors = frozenset([unicode(c) for c in QColor.colorNames()])
-        self.formatter = SafeFormat()
         self.read_config()
 
+    def _clear_caches(self):
+        self.color_cache = defaultdict(dict)
+        self.icon_cache = defaultdict(dict)
+        self.icon_bitmap_cache = {}
+        self.color_row_fmt_cache = None
+
     def change_alignment(self, colname, alignment):
         if colname in self.column_map and alignment in ('left', 'right', 'center'):
             old = self.alignment_map.get(colname, 'left')
@@ -221,17 +235,13 @@ class BooksModel(QAbstractTableModel): # {{{
 
 
     def refresh_ids(self, ids, current_row=-1):
-        self.color_cache = defaultdict(dict)
-        self.icon_cache = defaultdict(dict)
-        self.color_row_fmt_cache = None
+        self._clear_caches()
         rows = self.db.refresh_ids(ids)
         if rows:
             self.refresh_rows(rows, current_row=current_row)
 
     def refresh_rows(self, rows, current_row=-1):
-        self.color_cache = defaultdict(dict)
-        self.icon_cache = defaultdict(dict)
-        self.color_row_fmt_cache = None
+        self._clear_caches()
         for row in rows:
             if row == current_row:
                 self.new_bookdisplay_data.emit(
@@ -262,9 +272,7 @@ class BooksModel(QAbstractTableModel): # {{{
         return ret
 
     def count_changed(self, *args):
-        self.color_cache = defaultdict(dict)
-        self.icon_cache = defaultdict(dict)
-        self.color_row_fmt_cache = None
+        self._clear_caches()
         self.count_changed_signal.emit(self.db.count())
 
     def row_indices(self, index):
@@ -395,9 +403,7 @@ class BooksModel(QAbstractTableModel): # {{{
         self.resort(reset=reset)
 
     def reset(self):
-        self.color_cache = defaultdict(dict)
-        self.icon_cache = defaultdict(dict)
-        self.color_row_fmt_cache = None
+        self._clear_caches()
         QAbstractTableModel.reset(self)
 
     def resort(self, reset=True):
@@ -784,12 +790,14 @@ class BooksModel(QAbstractTableModel): # {{{
             rules = self.db.prefs['column_icon_rules']
             if rules:
                 key = self.column_map[col]
-                id_ = self.id(index)
-                self.column_icon.mi = None
+                id_ = None
                 for kind, k, fmt in rules:
                     if k == key and kind == 'icon_only':
+                        if id_ is None:
+                            id_ = self.id(index)
+                            self.column_icon.mi = None
                         ccicon = self.column_icon(id_, key, fmt, 'icon_only', self.db,
-                                    self.formatter, self.icon_cache)
+                                              self.icon_cache, self.icon_bitmap_cache)
                         if ccicon is not None:
                             return NONE
                 self.icon_cache[id_][key+'icon_only'] = None
@@ -811,7 +819,7 @@ class BooksModel(QAbstractTableModel): # {{{
             for k, fmt in self.db.prefs['column_color_rules']:
                 if k == key:
                     ccol = self.column_color(id_, key, fmt, self.db,
-                                self.formatter, self.color_cache, self.colors)
+                                             self.color_cache)
                     if ccol is not None:
                         return ccol
 
@@ -832,7 +840,7 @@ class BooksModel(QAbstractTableModel): # {{{
 
             for fmt in self.color_row_fmt_cache:
                 ccol = self.column_color(id_, color_row_key, fmt, self.db,
-                            self.formatter, self.color_cache, self.colors)
+                                         self.color_cache)
                 if ccol is not None:
                     return ccol
 
@@ -847,15 +855,17 @@ class BooksModel(QAbstractTableModel): # {{{
             rules = self.db.prefs['column_icon_rules']
             if rules:
                 key = self.column_map[col]
-                id_ = self.id(index)
-                self.column_icon.mi = None
+                id_ = None
                 need_icon_with_text = False
                 for kind, k, fmt in rules:
                     if k == key and kind in ('icon', 'icon_only'):
+                        if id_ is None:
+                            id_ = self.id(index)
+                            self.column_icon.mi = None
                         if kind == 'icon':
                             need_icon_with_text = True
-                        ccicon = self.column_icon(id_, key, fmt, 'icon', self.db,
-                                    self.formatter, self.icon_cache)
+                        ccicon = self.column_icon(id_, key, fmt, kind, self.db,
+                                          self.icon_cache, self.icon_bitmap_cache)
                         if ccicon is not None:
                             return ccicon
                 if need_icon_with_text:
diff --git a/src/calibre/gui2/preferences/coloring.py b/src/calibre/gui2/preferences/coloring.py
index 19a113a78a..ad9a7a9af2 100644
--- a/src/calibre/gui2/preferences/coloring.py
+++ b/src/calibre/gui2/preferences/coloring.py
@@ -253,14 +253,21 @@ class RuleEditor(QDialog): # {{{
         QDialog.__init__(self, parent)
         self.fm = fm
 
+        if pref_name == 'column_color_rules':
+            self.rule_kind = 'color'
+            rule_text = _('coloring')
+        else:
+            self.rule_kind = 'icon'
+            rule_text = _('icon')
+
         self.setWindowIcon(QIcon(I('format-fill-color.png')))
-        self.setWindowTitle(_('Create/edit a column coloring rule'))
+        self.setWindowTitle(_('Create/edit a column {0} rule').format(rule_text))
 
         self.l = l = QGridLayout(self)
         self.setLayout(l)
 
-        self.l1 = l1 = QLabel(_('Create a coloring rule by'
-            ' filling in the boxes below'))
+        self.l1 = l1 = QLabel(_('Create a column {0} rule by'
+            ' filling in the boxes below'.format(rule_text)))
         l.addWidget(l1, 0, 0, 1, 8)
 
         self.f1 = QFrame(self)
@@ -270,11 +277,9 @@ class RuleEditor(QDialog): # {{{
         self.l2 = l2 = QLabel(_('Set the'))
         l.addWidget(l2, 2, 0)
 
-        if pref_name == 'column_color_rules':
-            self.rule_kind = 'color'
+        if self.rule_kind == 'color':
             l.addWidget(QLabel(_('color')))
         else:
-            self.rule_kind = 'icon'
             self.kind_box = QComboBox(self)
             for tt, t in icon_rule_kinds:
                 self.kind_box.addItem(tt, t)
@@ -626,12 +631,7 @@ class EditRules(QWidget): # {{{
         self.l = l = QGridLayout(self)
         self.setLayout(l)
 
-        self.l1 = l1 = QLabel('<p>'+_(
-            'You can control the color of columns in the'
-            ' book list by creating "rules" that tell calibre'
-            ' what color to use. Click the Add Rule button below'
-            ' to get started.<p>You can <b>change an existing rule</b> by double'
-            ' clicking it.'))
+        self.l1 = l1 = QLabel('')
         l1.setWordWrap(True)
         l.addWidget(l1, 0, 0, 1, 2)
 
@@ -678,6 +678,21 @@ class EditRules(QWidget): # {{{
         self.rules_view.setModel(self.model)
         self.fm = fm
         self.mi = mi
+        if pref_name == 'column_color_rules':
+            self.l1.setText('<p>'+_(
+                'You can control the color of columns in the'
+                ' book list by creating "rules" that tell calibre'
+                ' what color to use. Click the Add Rule button below'
+                ' to get started.<p>You can <b>change an existing rule</b> by'
+                ' double clicking it.'))
+        else:
+            self.l1.setText('<p>'+_(
+                'You can add icons to columns in the'
+                ' book list by creating "rules" that tell calibre'
+                ' what icon to use. Click the Add Rule button below'
+                ' to get started.<p>You can <b>change an existing rule</b> by'
+                ' double clicking it.'))
+            self.add_advanced_button.setVisible(False)
 
     def _add_rule(self, dlg):
         if dlg.exec_() == dlg.Accepted:
diff --git a/src/calibre/gui2/preferences/look_feel.py b/src/calibre/gui2/preferences/look_feel.py
index 52ca95cdc5..b3423e5a8c 100644
--- a/src/calibre/gui2/preferences/look_feel.py
+++ b/src/calibre/gui2/preferences/look_feel.py
@@ -185,7 +185,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
         self.icon_rules = EditRules(self.tabWidget)
         self.icon_rules.changed.connect(self.changed_signal)
         self.tabWidget.addTab(self.icon_rules,
-                QIcon(I('format-fill-color.png')), _('Column icons'))
+                QIcon(I('icon_choose.png')), _('Column icons'))
 
         self.tabWidget.setCurrentIndex(0)
         keys = [QKeySequence('F11', QKeySequence.PortableText), QKeySequence(