Source code for camelot.view.controls.editors.fileeditor

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#  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
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from PyQt4 import QtGui
from PyQt4.QtCore import Qt

from customeditor import CustomEditor, set_background_color_palette

from camelot.view.art import Icon
from camelot.core.utils import ugettext as _

from camelot.view.controls.decorated_line_edit import DecoratedLineEdit

[docs]class FileEditor(CustomEditor): """Widget for editing File fields""" filter = 'All files (*)' new_icon = Icon( 'tango/16x16/actions/list-add.png' ) open_icon = Icon( 'tango/16x16/actions/document-open.png' ) clear_icon = Icon( 'tango/16x16/actions/edit-delete.png' ) save_as_icon = Icon( 'tango/16x16/actions/document-save-as.png' ) document_pixmap = Icon( 'tango/16x16/mimetypes/x-office-document.png' ) def __init__(self, parent=None, storage=None, field_name='file', remove_original=False, **kwargs): CustomEditor.__init__(self, parent) self.setObjectName( field_name ) self.storage = storage self.filename = None # the widget containing the filename self.value = None self.remove_original = remove_original self.setup_widget()
[docs] def setup_widget(self): """Called inside init, overwrite this method for custom file edit widgets""" self.layout = QtGui.QHBoxLayout() self.layout.setSpacing(0) self.layout.setContentsMargins(0, 0, 0, 0) # Save As button self.save_as_button = QtGui.QToolButton() self.save_as_button.setFocusPolicy(Qt.StrongFocus) self.save_as_button.setIcon(self.save_as_icon.getQIcon()) self.save_as_button.setToolTip(_('Save file as')) self.save_as_button.setAutoRaise(True) self.save_as_button.clicked.connect(self.save_as_button_clicked) # Clear button self.clear_button = QtGui.QToolButton() self.clear_button.setFocusPolicy(Qt.StrongFocus) self.clear_button.setIcon(self.clear_icon.getQIcon()) self.clear_button.setToolTip(_('delete file')) self.clear_button.setAutoRaise(True) self.clear_button.clicked.connect(self.clear_button_clicked) # Open button self.open_button = QtGui.QToolButton() self.open_button.setFocusPolicy(Qt.StrongFocus) self.open_button.setIcon(self.new_icon.getQIcon()) self.open_button.setToolTip(_('add file')) self.open_button.clicked.connect(self.open_button_clicked) self.open_button.setAutoRaise(True) # Filename self.filename = DecoratedLineEdit(self) self.filename.set_minimum_width( 20 ) # Search Completer # # Turn completion off, since it creates a thread per field on a form # # self.completer = QtGui.QCompleter() # self.completions_model = QtGui.QFileSystemModel() # self.completer.setCompletionMode( # QtGui.QCompleter.UnfilteredPopupCompletion # ) # self.completer.setModel( self.completions_model ) # self.completer.activated[QtCore.QModelIndex].connect(self.file_completion_activated) # self.filename.setCompleter( self.completer ) # settings = QtCore.QSettings() # last_path = settings.value('lastpath').toString() # # This setting of a rootPath causes a major delay on Windows, since # # the QFileSystemModel starts to fetch file information in a non- # # blocking way (although the documentation state the opposite). # # On Linux, there is no such delay, so it's safe to set such a root # # path and let the underlaying system start indexing. # import sys # if sys.platform != "win32": # self.completions_model.setRootPath( last_path ) # Setup layout self.document_label = QtGui.QLabel(self) self.document_label.setPixmap(self.document_pixmap.getQPixmap()) self.layout.addWidget(self.document_label) self.layout.addWidget(self.filename) self.layout.addWidget(self.clear_button) self.layout.addWidget(self.open_button) self.layout.addWidget(self.save_as_button) self.setLayout(self.layout)
[docs] def file_completion_activated(self, index): from camelot.view.storage import create_stored_file source_index = index.model().mapToSource( index ) if not self.completions_model.isDir( source_index ): path = self.completions_model.filePath( source_index ) create_stored_file( self, self.storage, self.stored_file_ready, filter=self.filter, remove_original=self.remove_original, filename = path, )
[docs] def set_tab_order(self): if self.filename.text() != '': self.setTabOrder(self.clear_button, self.filename) else: self.setTabOrder(self.clear_button, self.filename) self.setTabOrder(self.open_button, self.clear_button)
[docs] def set_value(self, value): value = CustomEditor.set_value(self, value) self.value = value if value: self.save_as_button.setVisible(True) self.filename.setText(value.verbose_name) self.open_button.setIcon(self.open_icon.getQIcon()) self.open_button.setToolTip(_('open file')) else: self.save_as_button.setVisible(False) self.filename.setText('') self.open_button.setIcon(self.new_icon.getQIcon()) self.open_button.setToolTip(_('add file')) self.set_tab_order() return value
[docs] def get_value(self): return CustomEditor.get_value(self) or self.value
[docs] def set_field_attributes(self, editable = True, background_color = None, tooltip = None, remove_original = False, **kwargs): self.set_enabled(editable) if self.filename: set_background_color_palette( self.filename, background_color ) self.filename.setToolTip(unicode(tooltip or '')) self.remove_original = remove_original
[docs] def set_enabled(self, editable=True): self.clear_button.setEnabled(editable) self.open_button.setEnabled(editable) self.filename.setEnabled(editable) self.filename.setReadOnly(not editable) self.document_label.setEnabled(editable) self.setAcceptDrops(editable)
[docs] def stored_file_ready(self, stored_file): """Slot to be called when a new stored_file has been created by the storage""" self.set_value(stored_file) self.editingFinished.emit()
[docs] def save_as_button_clicked(self): from camelot.view.storage import save_stored_file value = self.get_value() if value: save_stored_file(self, value)
[docs] def open_button_clicked(self): from camelot.view.storage import open_stored_file from camelot.view.storage import create_stored_file if not self.value: create_stored_file( self, self.storage, self.stored_file_ready, filter=self.filter, remove_original=self.remove_original, ) else: open_stored_file(self, self.value)
[docs] def clear_button_clicked(self): self.value = None self.editingFinished.emit() # # Drag & Drop #
[docs] def dragEnterEvent(self, event): event.acceptProposedAction()
[docs] def dragMoveEvent(self, event): event.acceptProposedAction()
[docs] def dropEvent(self, event): from camelot.view.storage import create_stored_file if event.mimeData().hasUrls(): url = event.mimeData().urls()[0] filename = url.toLocalFile() if filename: create_stored_file( self, self.storage, self.stored_file_ready, filter=self.filter, remove_original=self.remove_original, filename = filename, )

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