def add_file(self, filename):
if filename not in self.filenames:
# make filenames unicode-safe for Qt (#141)
filename = filename.encode('utf-8').decode('utf-8', 'replace')
self.filenames.append(filename)
fileinfo = QtCore.QFileInfo(filename)
basename = os.path.basename(filename.rstrip('/'))
ip = QtGui.QFileIconProvider()
icon = ip.icon(fileinfo)
if os.path.isfile(filename):
size = helpers.human_readable_filesize(fileinfo.size())
else:
size = helpers.human_readable_filesize(
helpers.dir_size(filename))
item_name = unicode('{0:s} ({1:s})'.format(basename, size))
item = QtGui.QListWidgetItem(item_name)
item.setToolTip(QtCore.QString(size))
item.setIcon(icon)
self.addItem(item)
self.files_updated.emit()
class DockWidget(QtGui.QDockWidget, FORM_CLASS):
"""The DockWidget class for the Qlr Panel.
"""
iconProvider = QtGui.QFileIconProvider()
closingPlugin = pyqtSignal()
itemStateChanged = pyqtSignal(object, bool)
def __init__(self, iface=None):
"""
Constructor.
Sets the parent, sets up the UI and fills the tree.
"""
parent = None if iface is None else iface.mainWindow()
super(DockWidget, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.config = QSettings()
self.readconfig()
self.setupUi(self)
self.iface = iface
def handleDirectoryChangedSlot( self, _s_directory ):
self.ui.directoryListWidget.clear()
self.s_currentDirectory = os.path.normpath( os.path.abspath( str(_s_directory) ) )
self.ui.urlLineEdit.setText( self.s_currentDirectory )
o_qdir = QtCore.QDir( self.s_currentDirectory )
# Mise a jour liste des repertoires
#---------------------------------------------------------------
o_qdir.setFilter( QtCore.QDir.Dirs )
t_dirList = o_qdir.entryList()
if not t_dirList.isEmpty():
self.ui.directoryListWidget.setEnabled(True)
self.ui.directoryListWidget.addItems( t_dirList )
o_qFileIconProvider = QtGui.QFileIconProvider()
for o_item in self.iterAllDirectories():
o_item.setIcon( o_qFileIconProvider.icon( QtCore.QFileInfo(o_qdir, o_item.text()) ) )
else:
self.ui.directoryListWidget.setEnabled(False)
# Mise a jour de la liste de tous les fichiers (hors filtre) contenu
# dans le repertoire courant
#---------------------------------------------------------------
o_qdir.setFilter( QtCore.QDir.Files | QtCore.QDir.NoDotAndDotDot )
self.t_allFilesInCurrentDirectory = o_qdir.entryList()
self.updateFileListWidget()
def qfileicon(self, path): """ desc: Gets an filetype icon for a file. arguments: path: The full path to the file. The file must exist. returns: type: QIcon """ return QtGui.QFileIconProvider().icon(QtCore.QFileInfo(path))
def updateFileListWidget( self ):
self.ui.fileListWidget.clear()
o_rx = QtCore.QRegExp( self.s_currentFilter )
o_rx.setPatternSyntax( QtCore.QRegExp.Wildcard )
# On filtre avec exactMatch (la fonction filter de QStringList n'applique pas un exact match)
#t_filteredFileList = self.t_allFilesInCurrentDirectory.filter( o_rx )
t_filteredFileList = QtCore.QStringList( [ f for f in self.t_allFilesInCurrentDirectory
if o_rx.exactMatch(f)
]
)
if not t_filteredFileList.isEmpty():
self.ui.fileListWidget.setEnabled(True)
self.ui.fileListWidget.addItems( t_filteredFileList )
o_qdir = QtCore.QDir( self.s_currentDirectory )
o_qFileIconProvider = QtGui.QFileIconProvider()
for o_item in self.iterAllFiles():
o_item.setIcon( o_qFileIconProvider.icon( QtCore.QFileInfo(o_qdir, o_item.text()) ) )
else:
self.ui.fileListWidget.setEnabled(False)
import os
class DockWidget(QtGui.QDockWidget, FORM_CLASS):
"""The DockWidget class for the Qlr Panel.
"""
iconProvider = QtGui.QFileIconProvider()
closingPlugin = pyqtSignal()
itemStateChanged = pyqtSignal(object, bool)
refreshButtonClicked = pyqtSignal()
def __init__(self, iface=None):
"""
Constructor.
Sets the parent, sets up the UI and fills the tree.
"""
parent = None if iface is None else iface.mainWindow()
super(DockWidget, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
# UI
self.filterLineEdit.setPlaceholderText(self.trUtf8(u'Filter'))
self.treeWidget.setColumnCount(1)
self.treeWidget.header().hide()
# Properties
self.root_paths = set()
self.file_system = {}
self.checked_paths = set()
# Signals
self.treeWidget.itemDoubleClicked.connect(self._treeitem_doubleclicked)
self.treeWidget.itemChanged.connect(self._treeitem_changed)
self.refreshButton.clicked.connect(self.refreshClicked)
# Search
self.timer = QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(500)
self.timer.timeout.connect(self._fillTree)
#self.filterLineEdit.textChanged.connect(self._fillTree)
self.filterLineEdit.textChanged.connect(self.timer.start)
# Default fill
self._fillTree()
def addRootPath(self, path):
"""Adds the root path and sets up the File System Model and connects it to the _fillTree method.
"""
if os.path.exists(path):
self.root_paths.add(path)
fs = FileSystemModel()
self.file_system[path] = fs
fs.updated.connect(self._fillTree)
try:
fs.setRootPath(path)
except FileSystemRecursionException as e:
message = self.trUtf8(
"Configured base path has too many files (> {})").format(
e.maxcount)
self._setRootPathMessage(message)
def removeRootPath(self, path):
"""
Removes the Root Path and disconnects the fillTree() method.
"""
self.root_paths.remove(path)
fs = self.file_system.pop(path, None)
fs.updated.disconnect(self._fillTree)
def setPathCheckState(self, path, newState):
"""Sets the check state of a path.
"""
oldState = path in self.checked_paths
if newState:
self.checked_paths.add(path)
elif path in self.checked_paths:
self.checked_paths.remove(path)
self._updateTree(path)
def getIsPathChecked(self, path):
"""
Returns true whth the path is checked.
:param path: string
"""
return path in self.checked_paths
def getNumCheckedSubPaths(self, path):
"""
Returns the number of checked items in all subpaths of this element
:param path: string
:return: integer, number of checked paths
"""
count = sum((1 for x in self.checked_paths
if self.is_child_directory(x, path)))
return count
def reloadFileSystemInfo(self):
"""Updates the file system info for each element.
"""
for fs in self.file_system.values():
try:
fs.update()
except FileSystemRecursionException as e:
self._setRootPathMessage(
self.trUtf8(
"Configured base path has too many files (> {})".
format(self.config.get('max_file_system_objects',
1000))))
def refreshClicked(self):
self.reloadFileSystemInfo()
self.refreshButtonClicked.emit()
@pyqtSlot(QtGui.QTreeWidgetItem, int)
def _treeitem_doubleclicked(self, item, column):
"""
Triggered on a doubleclick event of a Tree Widget.
"""
if item.fileitem.isdir:
return
newState = Qt.Checked if item.checkState(
column) == Qt.Unchecked else Qt.Unchecked
item.setCheckState(column, newState)
@pyqtSlot(QtGui.QTreeWidgetItem, int)
def _treeitem_changed(self, item, column):
"""
Triggered on a change event of a Tree Widget.
"""
checked = item.checkState(column) == Qt.Checked
path = item.fullpath
if checked:
# Dont try to turn on a non-existing qlr
if not self._checkFileItemExists(path):
# Path no longer exists. Reload filesystem
self.reloadFileSystemInfo()
return
self.setPathCheckState(path, checked)
self.itemStateChanged.emit(item.fileitem, checked)
def _updateTree(self, filter_path=None):
"""
Updates tree display
:filter_path , string, Optionally only the branch which includes filter_path
"""
iterator = QtGui.QTreeWidgetItemIterator(self.treeWidget)
item = iterator.value()
while item:
# Skip if we only need to update part of tree
if not filter_path or filter_path.startswith(item.fullpath):
# checked sub paths
if item.fileitem.isdir:
num = self.getNumCheckedSubPaths(item.fullpath)
item.setSubChecked(num)
# checked
checked = self.getIsPathChecked(item.fullpath)
item.setCheckState(0,
Qt.Unchecked if not checked else Qt.Checked)
iterator += 1
item = iterator.value()
def _fillTree(self):
"""
Fills the tree with items.
"""
if len(self.root_paths) < 1:
self._setRootPathMessage(
self.trUtf8("No base directory configured..."))
return
self.treeWidget.clear()
for basepath in self.root_paths:
fileitem = self._filteredFileItems(basepath)
if fileitem:
baseTreeItem = self._createWidgetItem(fileitem)
self._fillTreeRecursively(baseTreeItem, fileitem)
self.treeWidget.addTopLevelItem(baseTreeItem)
baseTreeItem.setExpanded(True)
if self.filterLineEdit.text().strip():
self._expandTree()
def _expandTree(self):
"""
Expands the tree.
"""
iterator = QtGui.QTreeWidgetItemIterator(self.treeWidget)
item = iterator.value()
while item:
if item.fileitem.matches(self.filterLineEdit.text().strip()):
tmpitem = item
while tmpitem:
tmpitem.setExpanded(True)
tmpitem = tmpitem.parent()
else:
item.setExpanded(False)
iterator += 1
item = iterator.value()
def _filteredFileItems(self, basepath):
"""
Returns the filtered items of the basepath.
:basepath: string
"""
# For now just return unfiltered
fs = self.file_system[basepath]
filterText = self.filterLineEdit.text().strip()
if filterText:
return fs.rootitem.filtered(filterText)
else:
return fs.rootitem
def _fillTreeRecursively(self, baseWidgetItem, baseFileItem):
"""
Fills a baseWidgetItem into the baseFileItem
"""
if not baseFileItem.isdir:
return
for child in baseFileItem.children:
childTreeItem = self._createWidgetItem(child)
if child.isdir:
self._fillTreeRecursively(childTreeItem, child)
baseWidgetItem.addChild(childTreeItem)
def _createWidgetItem(self, fileitem):
"""
Creates a widget item from a file item.
"""
checked = self.getIsPathChecked(fileitem.fullpath)
num_checked_sub_paths = 0
if fileitem.isdir:
num_checked_sub_paths = self.getNumCheckedSubPaths(
fileitem.fullpath)
return TreeWidgetItem(fileitem, checked, num_checked_sub_paths)
def _checkFileItemExists(self, path):
"""
Returns true if a path exists.
:path string
:returns boolean
"""
if os.path.exists(path):
return True
else:
self.iface.messageBar().pushMessage(
self.trUtf8("Qlr Browser Error"),
self.trUtf8("The selected path does not exist anymore"),
level=QgsMessageBar.CRITICAL)
return False
def _setRootPathMessage(self, message):
self.treeWidget.clear()
baseTreeItem = QtGui.QTreeWidgetItem([message])
font = baseTreeItem.font(0)
font.setItalic(True)
baseTreeItem.setFont(0, font)
self.treeWidget.addTopLevelItem(baseTreeItem)
#
# Events
#
def closeEvent(self, event):
self.closingPlugin.emit()
event.accept()
def is_child_directory(self, child_dir, parent_dir):
"""
Returns true if child_dir is inside parent_dir.
:param child_dir
:param parent_dir
:return: boolean
"""
parent_dir = os.path.join(os.path.realpath(parent_dir), '')
child_dir = os.path.realpath(child_dir)
return os.path.commonprefix([child_dir, parent_dir]) == parent_dir
def iconFromPath(path):
fileInfo = QtCore.QFileInfo(path)
iconProvider = QtGui.QFileIconProvider()
icon = iconProvider.icon(fileInfo)
return icon
def icon(self):
provider = QtGui.QFileIconProvider()
return provider.icon(QtGui.QFileIconProvider.Drive)
def icon(self):
provider = QtGui.QFileIconProvider()
if self.prefix == "url-datasets":
return provider.icon(QtGui.QFileIconProvider.Network)
return provider.icon(QtGui.QFileIconProvider.Drive)
