388 lines
12 KiB
Python
388 lines
12 KiB
Python
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# Copyright (C) 2010 Alex Yatskov
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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from PyQt4 import QtGui, QtCore, QtXml
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import image
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from image import ImageFlags
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from about import DialogAbout
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from options import DialogOptions
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from convert import DialogConvert
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from ui.book_ui import Ui_MainWindowBook
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class Book:
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DefaultDevice = 'Kindle 3'
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DefaultOverwrite = True
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DefaultImageFlags = ImageFlags.Orient | ImageFlags.Resize | ImageFlags.Quantize
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def __init__(self):
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self.images = []
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self.filename = None
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self.modified = False
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self.title = None
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self.device = Book.DefaultDevice
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self.overwrite = Book.DefaultOverwrite
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self.imageFlags = Book.DefaultImageFlags
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def save(self, filename):
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document = QtXml.QDomDocument()
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root = document.createElement('book')
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document.appendChild(root)
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root.setAttribute('title', self.title)
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root.setAttribute('overwrite', 'true' if self.overwrite else 'false')
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root.setAttribute('device', self.device)
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root.setAttribute('imageFlags', self.imageFlags)
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for filenameImg in self.images:
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itemImg = document.createElement('image')
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root.appendChild(itemImg)
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itemImg.setAttribute('filename', filenameImg)
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textXml = document.toString(4).toUtf8()
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try:
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fileXml = open(unicode(filename), 'w')
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fileXml.write(textXml)
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fileXml.close()
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except IOError:
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raise RuntimeError('Cannot create book file %s' % filename)
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self.filename = filename
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self.modified = False
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def load(self, filename):
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try:
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fileXml = open(unicode(filename), 'r')
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textXml = fileXml.read()
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fileXml.close()
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except IOError:
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raise RuntimeError('Cannot open book file %s' % filename)
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document = QtXml.QDomDocument()
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if not document.setContent(QtCore.QString.fromUtf8(textXml)):
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raise RuntimeError('Error parsing book file %s' % filename)
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root = document.documentElement()
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if root.tagName() != 'book':
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raise RuntimeError('Unexpected book format in file %s' % filename)
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self.title = root.attribute('title', 'Untitled')
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self.overwrite = root.attribute('overwrite', 'true' if Book.DefaultOverwrite else 'false') == 'true'
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self.device = root.attribute('device', Book.DefaultDevice)
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self.imageFlags = int(root.attribute('imageFlags', str(Book.DefaultImageFlags)))
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self.filename = filename
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self.modified = False
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self.images = []
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items = root.elementsByTagName('image')
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if items == None:
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return
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for i in xrange(0, len(items)):
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item = items.at(i).toElement()
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if item.hasAttribute('filename'):
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self.images.append(item.attribute('filename'))
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class MainWindowBook(QtGui.QMainWindow, Ui_MainWindowBook):
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def __init__(self, filename=None):
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QtGui.QMainWindow.__init__(self)
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self.setupUi(self)
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self.connect(self.actionFileNew, QtCore.SIGNAL('triggered()'), self.onFileNew)
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self.connect(self.actionFileOpen, QtCore.SIGNAL('triggered()'), self.onFileOpen)
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self.connect(self.actionFileSave, QtCore.SIGNAL('triggered()'), self.onFileSave)
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self.connect(self.actionFileSaveAs, QtCore.SIGNAL('triggered()'), self.onFileSaveAs)
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self.connect(self.actionBookOptions, QtCore.SIGNAL('triggered()'), self.onBookOptions)
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self.connect(self.actionBookAddFiles, QtCore.SIGNAL('triggered()'), self.onBookAddFiles)
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self.connect(self.actionBookAddDirectory, QtCore.SIGNAL('triggered()'), self.onBookAddDirectory)
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self.connect(self.actionBookShiftUp, QtCore.SIGNAL('triggered()'), self.onBookShiftUp)
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self.connect(self.actionBookShiftDown, QtCore.SIGNAL('triggered()'), self.onBookShiftDown)
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self.connect(self.actionBookRemove, QtCore.SIGNAL('triggered()'), self.onBookRemove)
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self.connect(self.actionBookExport, QtCore.SIGNAL('triggered()'), self.onBookExport)
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self.connect(self.actionHelpAbout, QtCore.SIGNAL('triggered()'), self.onHelpAbout)
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self.connect(self.actionHelpHomepage, QtCore.SIGNAL('triggered()'), self.onHelpHomepage)
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self.connect(self.listWidgetFiles, QtCore.SIGNAL('customContextMenuRequested(const QPoint&)'), self.onFilesContextMenu)
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self.connect(self.listWidgetFiles, QtCore.SIGNAL('itemDoubleClicked (QListWidgetItem *)'), self.onFilesDoubleClick)
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self.listWidgetFiles.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
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self.book = Book()
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if filename != None:
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self.loadBook(filename)
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def closeEvent(self, event):
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if not self.saveIfNeeded():
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event.ignore()
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def dragEnterEvent(self, event):
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if event.mimeData().hasUrls():
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event.acceptProposedAction()
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def dropEvent(self, event):
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directories = []
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filenames = []
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for url in event.mimeData().urls():
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filename = url.toLocalFile()
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if self.isImageFile(filename):
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filenames.append(filename)
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elif os.path.isdir(unicode(filename)):
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directories.append(filename)
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self.addImageDirs(directories)
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self.addImageFiles(filenames)
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def onFileNew(self):
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if self.saveIfNeeded():
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self.book = Book()
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self.listWidgetFiles.clear()
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def onFileOpen(self):
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if not self.saveIfNeeded():
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return
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filename = QtGui.QFileDialog.getOpenFileName(
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parent=self,
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caption='Select a book file to open',
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filter='Mangle files (*.mngl);;All files (*.*)'
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)
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if not filename.isNull():
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self.loadBook(self.cleanupBookFile(filename))
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def onFileSave(self):
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self.saveBook(False)
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def onFileSaveAs(self):
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self.saveBook(True)
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def onFilesContextMenu(self, point):
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menu = QtGui.QMenu(self)
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menu.addAction(self.menu_Add.menuAction())
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if len(self.listWidgetFiles.selectedItems()) > 0:
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menu.addAction(self.menu_Shift.menuAction())
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menu.addAction(self.actionBookRemove)
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menu.exec_(self.listWidgetFiles.mapToGlobal(point))
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def onFilesDoubleClick(self, item):
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services = QtGui.QDesktopServices()
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services.openUrl(QtCore.QUrl.fromLocalFile(item.text()))
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def onBookAddFiles(self):
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filenames = QtGui.QFileDialog.getOpenFileNames(
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parent=self,
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caption='Select image file(s) to add',
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filter='Image files (*.jpeg *.jpg *.gif *.png);;All files (*.*)'
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)
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self.addImageFiles(filenames)
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def onBookAddDirectory(self):
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directory = QtGui.QFileDialog.getExistingDirectory(self, 'Select an image directory to add')
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if not directory.isNull():
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self.addImageDirs([directory])
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def onBookShiftUp(self):
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self.shiftImageFiles(-1)
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def onBookShiftDown(self):
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self.shiftImageFiles(1)
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def onBookRemove(self):
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self.removeImageFiles()
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def onBookOptions(self):
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dialog = DialogOptions(self, self.book)
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dialog.exec_()
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def onBookExport(self):
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if len(self.book.images) == 0:
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QtGui.QMessageBox.warning(self, 'Mangle', 'This book has no images to export')
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return
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if self.book.title == None:
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dialog = DialogOptions(self, self.book)
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if dialog.exec_() == QtGui.QDialog.Rejected:
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return
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directory = QtGui.QFileDialog.getExistingDirectory(self, 'Select a directory to export book to')
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if not directory.isNull():
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dialog = DialogConvert(self, self.book, directory)
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dialog.exec_()
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def onHelpHomepage(self):
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services = QtGui.QDesktopServices()
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services.openUrl(QtCore.QUrl('http://foosoft.net/mangle'))
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def onHelpAbout(self):
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dialog = DialogAbout(self)
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dialog.exec_()
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def saveIfNeeded(self):
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if not self.book.modified:
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return True
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result = QtGui.QMessageBox.question(
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self,
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'Mangle',
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'Save changes to the current book?',
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QtGui.QMessageBox.Yes | QtGui.QMessageBox.No | QtGui.QMessageBox.Cancel,
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QtGui.QMessageBox.Yes
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)
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return (
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result == QtGui.QMessageBox.No or
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result == QtGui.QMessageBox.Yes and self.saveBook()
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)
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def saveBook(self, browse=False):
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if self.book.title == None:
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QtGui.QMessageBox.warning(self, 'Mangle', 'You must specify a title for this book before saving')
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return False
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filename = self.book.filename
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if filename == None or browse:
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filename = QtGui.QFileDialog.getSaveFileName(
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parent=self,
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caption='Select a book file to save as',
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filter='Mangle files (*.mngl);;All files (*.*)'
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)
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if filename.isNull():
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return False
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filename = self.cleanupBookFile(filename)
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try:
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self.book.save(filename)
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except RuntimeError, error:
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QtGui.QMessageBox.critical(self, 'Mangle', str(error))
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return False
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return True
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def loadBook(self, filename):
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try:
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self.book.load(filename)
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except RuntimeError, error:
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QtGui.QMessageBox.critical(self, 'Mangle', str(error))
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else:
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self.listWidgetFiles.clear()
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for image in self.book.images:
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self.listWidgetFiles.addItem(image)
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def shiftImageFile(self, row, delta):
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validShift = (
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(delta > 0 and row < self.listWidgetFiles.count() - delta) or
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(delta < 0 and row >= abs(delta))
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)
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if not validShift:
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return
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item = self.listWidgetFiles.takeItem(row)
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self.listWidgetFiles.insertItem(row + delta, item)
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self.listWidgetFiles.setItemSelected(item, True)
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self.book.modified = True
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self.book.images[row], self.book.images[row + delta] = (
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self.book.images[row + delta], self.book.images[row]
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)
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def shiftImageFiles(self, delta):
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items = self.listWidgetFiles.selectedItems()
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rows = sorted([self.listWidgetFiles.row(item) for item in items])
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for row in rows if delta < 0 else reversed(rows):
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self.shiftImageFile(row, delta)
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def removeImageFiles(self):
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for item in self.listWidgetFiles.selectedItems():
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row = self.listWidgetFiles.row(item)
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self.listWidgetFiles.takeItem(row)
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self.book.images.remove(item.text())
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self.book.modified = True
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def addImageFiles(self, filenames):
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filenamesListed = []
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for i in xrange(0, self.listWidgetFiles.count()):
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filenamesListed.append(self.listWidgetFiles.item(i).text())
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for filename in filenames:
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if filename not in filenamesListed:
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filename = QtCore.QString(filename)
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self.listWidgetFiles.addItem(filename)
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self.book.images.append(filename)
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self.book.modified = True
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def addImageDirs(self, directories):
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filenames = []
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for directory in directories:
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for root, subdirs, subfiles in os.walk(unicode(directory)):
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for filename in subfiles:
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path = os.path.join(root, filename)
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if self.isImageFile(path):
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filenames.append(path)
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self.addImageFiles(filenames)
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def isImageFile(self, filename):
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imageExts = ['.jpeg', '.jpg', '.gif', '.png']
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filename = unicode(filename)
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return (
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os.path.isfile(filename) and
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os.path.splitext(filename)[1].lower() in imageExts
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)
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def cleanupBookFile(self, filename):
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if len(os.path.splitext(unicode(filename))[1]) == 0:
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filename += '.mngl'
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return filename
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