Metadata dialog functional. Consolidate database metadata update function.

TODO

@@ -22,9 +22,10 @@ TODO
         ✓ Add capability to sort by new
         ✓ Table view
         ✓ Context menu: Cache, Read, Edit database, delete, Mark read/unread
-        Information dialog widget
+        ✓ Information dialog widget
         Allow editing of database data through the UI + for Bookmarks
         Set focus to newly added file
+        Change selection rectangle position
     Reading:
         ✓ Drop down for TOC
         ✓ Override the keypress event of the textedit
@@ -64,6 +65,7 @@ TODO
         ✓ Define every widget in code
     Bugs:
         If there are files open and the database is deleted, TypeErrors result
+        Cover culling does not occur if some other tab has initial focus
 
     Secondary:
         Annotations

__main__.py

@@ -296,6 +296,8 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
 
     def cull_covers(self, event=None):
         blank_pixmap = QtGui.QPixmap()
+        blank_pixmap.load(':/images/blank.png')  # Keep this. Removing it causes the
+                                                 # listView to go blank on a resize
 
         all_indexes = set()
         for i in range(self.lib_ref.item_proxy_model.rowCount()):
@@ -1091,6 +1093,7 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
             event.ignore()
 
         self.hide()
+        self.metadataDialog.hide()
         self.settingsDialog.hide()
         self.temp_dir.remove()
 

database.py

@@ -19,7 +19,7 @@
 import os
 import pickle
 import sqlite3
-from PyQt5 import QtCore, QtWidgets
+from PyQt5 import QtCore
 
 
 class DatabaseInit:
@@ -163,7 +163,7 @@ class DatabaseFunctions:
                 return None
 
         except (KeyError, sqlite3.OperationalError):
-            print('Commander, SQLite is in rebellion @ data fetching handling')
+            print('SQLite is in wretched rebellion @ data fetching handling')
 
     def fetch_covers_only(self, hash_list):
         parameter_marks = ','.join(['?' for i in hash_list])
@@ -172,27 +172,33 @@ class DatabaseFunctions:
         self.database.close()
         return data
 
-    def modify_positional_data(self, positional_data):
-        for i in positional_data:
-            file_hash = i[0]
-            position = i[1]
-            last_accessed = i[2]
-            bookmarks = i[3]
+    def modify_metadata(self, metadata_dict, book_hash):
 
-            position_bin = sqlite3.Binary(pickle.dumps(position))
-            last_accessed_bin = sqlite3.Binary(pickle.dumps(last_accessed))
-            bookmarks_bin = sqlite3.Binary(pickle.dumps(bookmarks))
+        def generate_binary(column, data):
+            if column in ('Position', 'LastAccessed', 'Bookmarks'):
+                return sqlite3.Binary(pickle.dumps(data))
+            elif column == 'CoverImage':
+                return sqlite3.Binary(data)
+            else:
+                return data
 
-            sql_command = (
-                "UPDATE books SET Position = ?, LastAccessed = ?, Bookmarks = ? WHERE Hash = ?")
+        sql_command = 'UPDATE books SET '
+        update_data = []
+        for i in metadata_dict.items():
+            if i[1]:
+                sql_command += i[0] + ' = ?, '
+                bin_data = generate_binary(i[0], i[1])
+                update_data.append(bin_data)
 
-            try:
-                self.database.execute(
-                    sql_command,
-                    [position_bin, last_accessed_bin, bookmarks_bin, file_hash])
-            except sqlite3.OperationalError:
-                print('Commander, SQLite is in rebellion @ positional data handling')
-                return
+        sql_command = sql_command[:-2]
+        sql_command += ' WHERE Hash = ?'
+        update_data.append(book_hash)
+
+        try:
+            self.database.execute(
+                sql_command, update_data)
+        except sqlite3.OperationalError:
+            print('SQLite is in wretched rebellion @ metadata handling')
 
         self.database.commit()
         self.database.close()

metadatadialog.py

@@ -17,7 +17,12 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from PyQt5 import QtWidgets, QtCore, QtGui
+
+import database
+
 from resources import metadata
+from widgets import PliantQGraphicsScene
+
 
 class MetadataUI(QtWidgets.QDialog, metadata.Ui_Dialog):
     def __init__(self, parent):
@@ -26,35 +31,129 @@ class MetadataUI(QtWidgets.QDialog, metadata.Ui_Dialog):
 
         self.parent = parent
         self.setWindowFlags(
-            QtCore.Qt.Window |
-            QtCore.Qt.WindowCloseButtonHint)
-        self.setFixedSize(self.width(), self.height())
+            QtCore.Qt.Popup |
+            QtCore.Qt.FramelessWindowHint)
+
+        self.database_path = self.parent.database_path
+
+        self.book_index = None
+        self.book_year = None
+        self.previous_position = None
+        self.cover_for_database = None
+
+        radius = 20.0
+        path = QtGui.QPainterPath()
+        path.addRoundedRect(QtCore.QRectF(self.rect()), radius, radius)
+        mask = QtGui.QRegion(path.toFillPolygon().toPolygon())
+        self.setMask(mask)
+
+        foreground = QtGui.QColor().fromRgb(230, 230, 230)
+        background = QtGui.QColor().fromRgb(0, 0, 0)
+        self.setStyleSheet(
+            "QDialog {{color: {0}; background-color: {1}}}".format(
+                foreground.name(), background.name()))
+        self.coverView.setStyleSheet(
+            "QGraphicsView {{color: {0}; background-color: {1}}}".format(
+                foreground.name(), background.name()))
+        self.okButton.setStyleSheet(
+            "QToolButton {background-color: red}")
 
         self.coverView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
         self.coverView.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
 
-    def load_book(self, cover, title, author, year, tags, index):
-        image_pixmap = cover.pixmap(self.coverView.size())
-        graphics_scene = QtWidgets.QGraphicsScene()
-        graphics_scene.addPixmap(image_pixmap)
-        self.coverView.setScene(graphics_scene)
+        self.okButton.clicked.connect(self.ok_pressed)
+        self.cancelButton.clicked.connect(self.cancel_pressed)
+
+        self.titleLine.returnPressed.connect(self.ok_pressed)
+        self.authorLine.returnPressed.connect(self.ok_pressed)
+        self.yearLine.returnPressed.connect(self.ok_pressed)
+        self.tagsLine.returnPressed.connect(self.ok_pressed)
+
+    def load_book(self, cover, title, author, year, tags, book_index):
+        self.previous_position = None
+        self.cover_for_database = None
+
+        self.book_index = book_index
+        self.book_year = year
+
+        self.load_cover(cover)
 
         self.titleLine.setText(title)
         self.authorLine.setText(author)
         self.yearLine.setText(year)
         self.tagsLine.setText(tags)
 
-    def showEvent(self, event):
+    def load_cover(self, cover, use_as_is=False):
+        if use_as_is:
+            image_pixmap = cover
+        else:
+            image_pixmap = cover.pixmap(QtCore.QSize(140, 205))
+
+        graphics_scene = PliantQGraphicsScene(self)
+        graphics_scene.addPixmap(image_pixmap)
+        self.coverView.setScene(graphics_scene)
+
+    def ok_pressed(self, event):
+        book_item = self.parent.lib_ref.view_model.item(self.book_index.row())
+
+        title = self.titleLine.text()
+        author = self.authorLine.text()
+        tags = self.tagsLine.text()
+
+        try:
+            year = int(self.yearLine.text())
+        except ValueError:
+            year = self.book_year
+
+        tooltip_string = title + '\nAuthor: ' + author + '\nYear: ' + str(year)
+
+        book_item.setData(title, QtCore.Qt.UserRole)
+        book_item.setData(author, QtCore.Qt.UserRole + 1)
+        book_item.setData(year, QtCore.Qt.UserRole + 2)
+        book_item.setData(tags, QtCore.Qt.UserRole + 4)
+        book_item.setToolTip(tooltip_string)
+
+        if self.cover_for_database:
+            self.parent.cover_loader(
+                book_item, self.cover_for_database)
+
+        self.parent.lib_ref.update_proxymodels()
+        self.hide()
+
+        book_hash = book_item.data(QtCore.Qt.UserRole + 6)
+        database_dict = {
+            'Title': title,
+            'Author': author,
+            'Year': year,
+            'Tags': tags,
+            'CoverImage': self.cover_for_database}
+
+        database.DatabaseFunctions(self.database_path).modify_metadata(
+            database_dict, book_hash)
+
+    def cancel_pressed(self, event):
+        self.hide()
+
+    def generate_display_position(self, mouse_cursor_position):
         size = self.size()
         desktop_size = QtWidgets.QDesktopWidget().screenGeometry()
-        top = (desktop_size.height() / 2) - (size.height() / 2)
-        left = (desktop_size.width() / 2) - (size.width() / 2)
-        self.move(left, top)
-        self.parent.setEnabled(False)
 
-    def hideEvent(self, event):
-        self.parent.setEnabled(True)
+        display_x = mouse_cursor_position.x()
+        display_y = mouse_cursor_position.y()
 
-    def closeEvent(self, event):
-        self.parent.setEnabled(True)
-        event.accept()
+        if display_x + size.width() > desktop_size.width():
+            display_x = desktop_size.width() - size.width()
+
+        if display_y + size.height() > desktop_size.height():
+            display_y = desktop_size.height() - size.height()
+
+        return QtCore.QPoint(display_x, display_y)
+
+    def showEvent(self, event):
+        if self.previous_position:
+            self.move(self.previous_position)
+        else:
+            display_position = self.generate_display_position(QtGui.QCursor.pos())
+            self.move(display_position)
+
+        self.titleLine.setFocus()

resources/metadata.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'raw/metadata.ui'
 #
-# Created by: PyQt5 UI code generator 5.10
+# Created by: PyQt5 UI code generator 5.10.1
 #
 # WARNING! All changes made in this file will be lost!
 
@@ -11,27 +11,21 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
         Dialog.setObjectName("Dialog")
-        Dialog.resize(700, 230)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Expanding)
+        Dialog.resize(728, 231)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(Dialog.sizePolicy().hasHeightForWidth())
         Dialog.setSizePolicy(sizePolicy)
-        Dialog.setMaximumSize(QtCore.QSize(700, 230))
+        Dialog.setMaximumSize(QtCore.QSize(16777215, 16777215))
         Dialog.setModal(True)
         self.gridLayout = QtWidgets.QGridLayout(Dialog)
         self.gridLayout.setObjectName("gridLayout")
         self.horizontalLayout = QtWidgets.QHBoxLayout()
         self.horizontalLayout.setObjectName("horizontalLayout")
         self.coverView = QtWidgets.QGraphicsView(Dialog)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.coverView.sizePolicy().hasHeightForWidth())
-        self.coverView.setSizePolicy(sizePolicy)
-        self.coverView.setMinimumSize(QtCore.QSize(140, 218))
-        self.coverView.setMaximumSize(QtCore.QSize(140, 218))
-        self.coverView.setBaseSize(QtCore.QSize(140, 200))
+        self.coverView.setMaximumSize(QtCore.QSize(165, 16777215))
+        self.coverView.setFrameShadow(QtWidgets.QFrame.Plain)
         self.coverView.setObjectName("coverView")
         self.horizontalLayout.addWidget(self.coverView)
         self.verticalLayout = QtWidgets.QVBoxLayout()
@@ -49,6 +43,31 @@ class Ui_Dialog(object):
         self.tagsLine.setMinimumSize(QtCore.QSize(0, 0))
         self.tagsLine.setObjectName("tagsLine")
         self.verticalLayout.addWidget(self.tagsLine)
+        self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
+        self.horizontalLayout_2.setObjectName("horizontalLayout_2")
+        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
+        self.horizontalLayout_2.addItem(spacerItem)
+        self.okButton = QtWidgets.QPushButton(Dialog)
+        self.okButton.setText("")
+        icon = QtGui.QIcon()
+        icon.addPixmap(QtGui.QPixmap(":/images/checkmark.svg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.okButton.setIcon(icon)
+        self.okButton.setIconSize(QtCore.QSize(24, 24))
+        self.okButton.setFlat(True)
+        self.okButton.setObjectName("okButton")
+        self.horizontalLayout_2.addWidget(self.okButton)
+        self.cancelButton = QtWidgets.QPushButton(Dialog)
+        self.cancelButton.setText("")
+        icon1 = QtGui.QIcon()
+        icon1.addPixmap(QtGui.QPixmap(":/images/error.svg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.cancelButton.setIcon(icon1)
+        self.cancelButton.setIconSize(QtCore.QSize(24, 24))
+        self.cancelButton.setFlat(True)
+        self.cancelButton.setObjectName("cancelButton")
+        self.horizontalLayout_2.addWidget(self.cancelButton)
+        spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
+        self.horizontalLayout_2.addItem(spacerItem1)
+        self.verticalLayout.addLayout(self.horizontalLayout_2)
         self.horizontalLayout.addLayout(self.verticalLayout)
         self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 1)
 
@@ -58,8 +77,14 @@ class Ui_Dialog(object):
     def retranslateUi(self, Dialog):
         _translate = QtCore.QCoreApplication.translate
         Dialog.setWindowTitle(_translate("Dialog", "Edit metadata"))
+        self.coverView.setToolTip(_translate("Dialog", "Cover (click to change)"))
+        self.titleLine.setToolTip(_translate("Dialog", "Title"))
         self.titleLine.setPlaceholderText(_translate("Dialog", "Title"))
+        self.authorLine.setToolTip(_translate("Dialog", "Author"))
         self.authorLine.setPlaceholderText(_translate("Dialog", "Author"))
+        self.yearLine.setToolTip(_translate("Dialog", "Year"))
         self.yearLine.setPlaceholderText(_translate("Dialog", "Year"))
+        self.tagsLine.setToolTip(_translate("Dialog", "Tags (comma separated)"))
         self.tagsLine.setPlaceholderText(_translate("Dialog", "Tags"))
-
+        self.okButton.setToolTip(_translate("Dialog", "OK"))
+        self.cancelButton.setToolTip(_translate("Dialog", "Cancel"))

resources/raw/metadata.ui

@@ -6,20 +6,20 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>700</width>
-    <height>230</height>
+    <width>728</width>
+    <height>231</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="maximumSize">
    <size>
-    <width>700</width>
-    <height>230</height>
+    <width>16777215</width>
+    <height>16777215</height>
    </size>
   </property>
   <property name="windowTitle">
@@ -33,29 +33,17 @@
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QGraphicsView" name="coverView">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="minimumSize">
-        <size>
-         <width>140</width>
-         <height>218</height>
-        </size>
-       </property>
        <property name="maximumSize">
         <size>
-         <width>140</width>
-         <height>218</height>
+         <width>165</width>
+         <height>16777215</height>
         </size>
        </property>
-       <property name="baseSize">
-        <size>
-         <width>140</width>
-         <height>200</height>
-        </size>
+       <property name="toolTip">
+        <string>Cover (click to change)</string>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Plain</enum>
        </property>
       </widget>
      </item>
@@ -63,6 +51,9 @@
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
         <widget class="QLineEdit" name="titleLine">
+         <property name="toolTip">
+          <string>Title</string>
+         </property>
          <property name="placeholderText">
           <string>Title</string>
          </property>
@@ -70,6 +61,9 @@
        </item>
        <item>
         <widget class="QLineEdit" name="authorLine">
+         <property name="toolTip">
+          <string>Author</string>
+         </property>
          <property name="placeholderText">
           <string>Author</string>
          </property>
@@ -77,6 +71,9 @@
        </item>
        <item>
         <widget class="QLineEdit" name="yearLine">
+         <property name="toolTip">
+          <string>Year</string>
+         </property>
          <property name="placeholderText">
           <string>Year</string>
          </property>
@@ -90,17 +87,98 @@
            <height>0</height>
           </size>
          </property>
+         <property name="toolTip">
+          <string>Tags (comma separated)</string>
+         </property>
          <property name="placeholderText">
           <string>Tags</string>
          </property>
         </widget>
        </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <item>
+          <spacer name="horizontalSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QPushButton" name="okButton">
+           <property name="toolTip">
+            <string>OK</string>
+           </property>
+           <property name="text">
+            <string/>
+           </property>
+           <property name="icon">
+            <iconset resource="resources.qrc">
+             <normaloff>:/images/checkmark.svg</normaloff>:/images/checkmark.svg</iconset>
+           </property>
+           <property name="iconSize">
+            <size>
+             <width>24</width>
+             <height>24</height>
+            </size>
+           </property>
+           <property name="flat">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="cancelButton">
+           <property name="toolTip">
+            <string>Cancel</string>
+           </property>
+           <property name="text">
+            <string/>
+           </property>
+           <property name="icon">
+            <iconset resource="resources.qrc">
+             <normaloff>:/images/error.svg</normaloff>:/images/error.svg</iconset>
+           </property>
+           <property name="iconSize">
+            <size>
+             <width>24</width>
+             <height>24</height>
+            </size>
+           </property>
+           <property name="flat">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_2">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
       </layout>
      </item>
     </layout>
    </item>
   </layout>
  </widget>
- <resources/>
+ <resources>
+  <include location="resources.qrc"/>
+ </resources>
  <connections/>
 </ui>

threaded.py

@@ -32,18 +32,15 @@ class BackGroundTabUpdate(QtCore.QThread):
         self.all_metadata = all_metadata
 
     def run(self):
-        hash_position_pairs = []
         for i in self.all_metadata:
-            file_hash = i['hash']
-            position = i['position']
-            last_accessed = i['last_accessed']
-            bookmarks = i['bookmarks']
+            book_hash = i['hash']
+            database_dict = {
+                'Position': i['position'],
+                'LastAccessed': i['last_accessed'],
+                'Bookmarks': i['bookmarks']}
 
-            hash_position_pairs.append(
-                [file_hash, position, last_accessed, bookmarks])
-
-        database.DatabaseFunctions(
-            self.database_path).modify_positional_data(hash_position_pairs)
+            database.DatabaseFunctions(self.database_path).modify_metadata(
+                database_dict, book_hash)
 
 
 class BackGroundBookAddition(QtCore.QThread):

widgets.py

@@ -28,6 +28,7 @@ from PyQt5 import QtWidgets, QtGui, QtCore
 
 from resources import pie_chart
 from models import BookmarkProxyModel
+from sorter import resize_image
 
 
 class Tab(QtWidgets.QWidget):
@@ -723,3 +724,34 @@ class PliantDockWidget(QtWidgets.QDockWidget):
 
     def hideEvent(self, event):
         self.parent.window().bookToolBar.bookmarkButton.setChecked(False)
+
+
+class PliantQGraphicsScene(QtWidgets.QGraphicsScene):
+    def __init__(self, parent=None):
+        super(PliantQGraphicsScene, self).__init__(parent)
+        self.parent = parent
+
+    def mouseReleaseEvent(self, event):
+        self.parent.previous_position = self.parent.pos()
+
+        image_files = '*.jpg *.png'
+        new_cover = QtWidgets.QFileDialog.getOpenFileName(
+            None, 'Select new cover', self.parent.parent.settings['last_open_path'],
+            f'Images ({image_files})')[0]
+
+        if not new_cover:
+            self.parent.show()
+            return
+
+        with open(new_cover, 'rb') as cover_ref:
+            cover_bytes = cover_ref.read()
+            resized_cover = resize_image(cover_bytes)
+            self.parent.cover_for_database = resized_cover
+
+        cover_pixmap = QtGui.QPixmap()
+        cover_pixmap.load(new_cover)
+        cover_pixmap = cover_pixmap.scaled(
+            140, 205, QtCore.Qt.IgnoreAspectRatio)
+
+        self.parent.load_cover(cover_pixmap, True)
+        self.parent.show()