Source code for TermTk.TTkWidgets.TTkPickers.filepicker

# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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__all__ = ['TTkFileDialog', 'TTkFileDialogPicker', 'TTkFileButtonPicker']

import os
import re

from TermTk.TTkCore.color import TTkColor

from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.cfg import TTkCfg
from TermTk.TTkCore.helper import TTkHelper
from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
from TermTk.TTkCore.string import TTkString
from TermTk.TTkWidgets.lineedit import TTkLineEdit
from TermTk.TTkWidgets.window import TTkWindow
from TermTk.TTkWidgets.splitter import TTkSplitter
from TermTk.TTkWidgets.combobox import TTkComboBox
from TermTk.TTkWidgets.button import TTkButton
from TermTk.TTkWidgets.label import TTkLabel
from TermTk.TTkWidgets.list_ import TTkList
from TermTk.TTkLayouts.gridlayout import TTkGridLayout
from TermTk.TTkWidgets.TTkModelView.filetree import TTkFileTree
from TermTk.TTkWidgets.TTkModelView.filetreewidgetitem import TTkFileTreeWidgetItem

'''
::

    +----------------------------------------+
    |  Look in: [--FULL-PATH-|v] [<] [>] [^] |
    | +-----------+------------------------+ |
    | | Bookmarks ║     File Tree          | |
    | |           ║                        | |
    | +-----------+------------------------+ |
    | File name:     [-----------]  [Open  ] |
    | Files of Type  [-----------]  [Cancel] |
    +--------------+-------------------------+
'''

[docs] class TTkFileDialogPicker(TTkWindow): ''' TTkFileDialogPicker: :: ╔═════════════════════════════════════════════════════════════════════════╗ ║ Pick Something [^][x]║ ╟─────────────────────────────────────────────────────────────────────────╢ ║Look in: [/home/one/github/Varie/pyTermTk ^][<][>][^]║ ║┌──────────╥────────────────────────────────────────────────────────────┐║ ║│∙ Computer║Name ▼╿Size ╿Type ╿Date Modified ╿▲│║ ║│∙ Home ║ - TTkUiTools/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ __init__.py │ 75 bytes│File │2023-04-18 16:38:03│┊│║ ║│ ║ + __pycache__/ │ │Folder │2023-04-18 23:54:33│┊│║ ║│ ║ + properties/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ uiloader.py │ 7.96 KB│File │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ uiproperties.│ 2.39 KB│File │2023-04-18 16:38:03│▓│║ ║│ ║ + TTkWidgets/ │ │Folder │2023-04-18 16:38:03│▓│║ ║│ ║ ∙ __init__.py │272 bytes│File │2023-04-18 16:38:03│▓│║ ║│ ║ + __pycache__/ │ │Folder │2023-04-18 23:54:33│▓│║ ║│ ║ + demo/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ + docs/ │ │Folder │2023-04-27 22:16:30│┊│║ ║│ ║ + experiments/ │ │Folder │2023-04-27 13:10:29│┊│║ ║│ ║ ∙ pippo.py │ 1.72 KB│File │2023-04-26 21:01:53│┊│║ ║│ ║ ∙ profiler.bin │256.71 KB│File │2023-04-10 06:01:03│▼│║ ║└──────────╨────────────────────────────────────────────────────────────┘║ ║File name: /home/one/github/Varie/pyTermTk/TermTk/TTkUiTools/ [ Open ]║ ║Files of type:[All Files (*) ^][Cancel]║ ╚═════════════════════════════════════════════════════════════════════════╝ Demo: `formwidgets.py <https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/demo/showcase/filepicker.py>`_ (`Try Online <https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?fileUri=https://raw.githubusercontent.com/ceccopierangiolieugenio/pyTermTk/main/demo/showcase/filepicker.py>`__) `ttkdesigner Tutorial <https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/ttkDesigner/textEdit/textEdit.rst>`_ :param path: the current path used in the file dialog, defaults to "." :type path: str, optional :param caption: the title of the dialog, defaults to "**File Dialog**" :type caption: str, optional :param filter: List of filters separated with "**;;**", defaults to "**All Files (*)**". Example: :: filter="Images (*.png *.xpm *.jpg);;Text files (*.txt);;XML files (*.xml)" :type filter: str, optional :param fileMode: The file mode defines the number and type of items that the user is expected to select in the dialog, defaults to :py:class:`~TermTk.TTkCore.constant.TTkConstant.FileMode.Anyfile` :type fileMode: :py:class:`TTkConstant.FileMode`, optional :param acceptMode: TThe action mode defines whether the dialog is for opening or saving files, defaults to :py:class:`~TermTk.TTkCore.constant.TTkConstant.AcceptMode.AcceptOpen` :type acceptMode: :py:class:`TTkConstant.AcceptMode`, optional ''' pathPicked:pyTTkSignal ''' This signal is emitted whenever any path is picked (Files/Dir) :param pathName: the name of the path :type pathName: str ''' filePicked:pyTTkSignal ''' This signal is emitted whenever any file is picked :param fileName: the name of the file :type fileName: str ''' folderPicked:pyTTkSignal ''' This signal is emitted whenever any folder is picked :param dirName: the name of the folder :type dirName: str ''' __slots__ = ('_path', '_fileName', '_recentPath', '_recentPathId', '_filters', '_filter', '_caption', '_fileMode', '_acceptMode', # Widgets '_fileTree', '_lookPath', '_btnPrev', '_btnNext', '_btnUp', '_leFileName', '_cbFileType', '_btnOpen', '_btnCancel', # Signals 'pathPicked', 'filePicked', 'filesPicked', 'folderPicked') def __init__(self, *, path:str='.', filter:str='All Files (*)', caption:str='File Dialog', fileMode:TTkK.FileMode=TTkK.FileMode.AnyFile, acceptMode:TTkK.AcceptMode=TTkK.AcceptMode.AcceptOpen, **kwargs) -> None: # Signals self.pathPicked = pyTTkSignal(str) self.filePicked = pyTTkSignal(str) self.filesPicked = pyTTkSignal(list) self.folderPicked = pyTTkSignal(str) super().__init__(**kwargs) self.setWindowFlag(TTkK.WindowFlag.WindowMaximizeButtonHint | TTkK.WindowFlag.WindowCloseButtonHint) self._recentPathId = -1 self._recentPath = [] self._path = os.path.abspath(path) if os.path.isdir(self._path): self._fileName = '' if self._path[-1]!='/': self._path += '/' else: self._fileName = os.path.basename(self._path) self._path = os.path.dirname(self._path)+'/' self._filter = '*' self._filters = filter self._caption = caption self._fileMode = fileMode self._acceptMode = acceptMode self.setTitle(self._caption) self.setLayout(TTkGridLayout()) # Top (absPath) topLayout = TTkGridLayout() self.layout().addItem(topLayout,0,0) self._lookPath = TTkComboBox(textAlign=TTkK.LEFT_ALIGN) self._btnPrev = TTkButton(text="<",maxWidth=3, enabled=False) self._btnNext = TTkButton(text=">",maxWidth=3, enabled=False) self._btnUp = TTkButton(text="^",maxWidth=3, enabled=True) self._btnPrev.clicked.connect(self._openPrev) self._btnNext.clicked.connect(self._openNext) self._btnUp.clicked.connect( self._openUp) topLayout.addWidget(TTkLabel(text="Look in:",maxWidth=14), 0,0) topLayout.addWidget(self._lookPath , 0,1) topLayout.addWidget(self._btnPrev , 0,2) topLayout.addWidget(self._btnNext , 0,3) topLayout.addWidget(self._btnUp , 0,4) # Bottom (File Name, Controls) self._leFileName = TTkLineEdit() self._cbFileType = TTkComboBox(textAlign=TTkK.LEFT_ALIGN) self._btnOpen = TTkButton(text="Open" if self._acceptMode == TTkK.AcceptMode.AcceptOpen else "Save", maxWidth=8, enabled=False) self._btnCancel = TTkButton(text="Cancel",maxWidth=8) for f in self._filters.split(';;'): if re.match(r".*\(.*\)",f): self._cbFileType.addItem(f) self._cbFileType.setCurrentIndex(0) self._cbFileType.currentTextChanged.connect(self._cbFileTypeChanged) self._btnOpen.clicked.connect(self._open) self._btnCancel.clicked.connect(self.close) self._leFileName.returnPressed.connect(self._open) self._leFileName.textChanged.connect(self._checkFileName) self._leFileName.textEdited.connect(self._checkFileName) bottomLayout = TTkGridLayout() self.layout().addItem(bottomLayout,2,0) bottomLayout.addWidget(TTkLabel(text="File name:" ,maxWidth=14), 0,0) bottomLayout.addWidget(TTkLabel(text="Files of type:" ,maxWidth=14), 1,0) bottomLayout.addWidget(self._leFileName , 0,1) bottomLayout.addWidget(self._cbFileType , 1,1) bottomLayout.addWidget(self._btnOpen , 0,2) bottomLayout.addWidget(self._btnCancel , 1,2) # Center (self._fileTree, Bookmarks) splitter = TTkSplitter(border=True) self.layout().addWidget(splitter,1,0) bookmarks = TTkList(parent=splitter) bookmarks.addItem(TTkString() + TTkCfg.theme.fileIconColor + TTkCfg.theme.fileIcon.computer + TTkColor.RST+" Computer", data='/') bookmarks.addItem(TTkString() + TTkCfg.theme.fileIconColor + TTkCfg.theme.fileIcon.home + TTkColor.RST+" Home", data=os.path.expanduser("~")) def _bookmarksCallback(item): self._openNewPath(item.data()) bookmarks.itemClicked.connect(_bookmarksCallback) # Home Folder (Win Compatible): # os.path.expanduser("~") self._fileTree = TTkFileTree(parent=splitter) splitter.setSizes([10,None]) self._fileTree.itemClicked.connect(self._selectedItem) self._fileTree.itemActivated.connect(self._activatedItem) self._lookPath.currentTextChanged.connect(self._openNewPath) self._leFileName.setText(self._path+self._fileName) self._openNewPath(self._path, True) self._cbFileTypeChanged(self._cbFileType.currentText())
[docs] def acceptMode(self) -> TTkK.AcceptMode: return self._acceptMode
[docs] def setAcceptMode(self, mode:TTkK.AcceptMode): self._acceptMode = mode self._btnOpen.setText("Open" if mode == TTkK.AcceptMode.AcceptOpen else "Save")
@pyTTkSlot(str) def _cbFileTypeChanged(self, type): self._filter = re.match(r".*\((.*)\)",type).group(1) self._fileTree.setFilter(self._filter) @pyTTkSlot(str) def _checkFileName(self, fileName): fileName = str(fileName) valid = False if self._fileMode == TTkK.FileMode.ExistingFile: valid = os.path.exists(fileName) and os.path.isfile(fileName) elif self._fileMode == TTkK.FileMode.Directory: valid = os.path.exists(fileName) and os.path.isdir(fileName) elif self._fileMode == TTkK.FileMode.AnyFile: valid = os.path.isdir(os.path.dirname(fileName)) and not os.path.isdir(fileName) else: pass if valid: self._btnOpen.setEnabled() else: self._btnOpen.setDisabled() @pyTTkSlot() def _open(self): fileName = str(self._leFileName.text()) if self._fileMode != TTkK.FileMode.AnyFile and not os.path.exists(fileName): return if self._fileMode == TTkK.FileMode.ExistingFile and not os.path.isfile(fileName): return if self._fileMode == TTkK.FileMode.Directory and not os.path.isdir(fileName): return self.close() if self._fileMode in (TTkK.FileMode.AnyFile,TTkK.FileMode.ExistingFile): self.filePicked.emit(fileName) if self._fileMode == TTkK.FileMode.Directory: self.folderPicked.emit(fileName) self.pathPicked.emit(fileName) @pyTTkSlot(TTkFileTreeWidgetItem, int) def _selectedItem(self, item, _): path = item.path() if os.path.isdir(path) and path[-1]!='/': path = path+'/'+self._fileName elif self._fileMode == TTkK.FileMode.AnyFile: self._fileName = os.path.basename(path) self._leFileName.setText(path) @pyTTkSlot(TTkFileTreeWidgetItem, int) def _activatedItem(self, item, _): path = str(item.path()) if os.path.isdir(path): self._openNewPath(path, True) elif os.path.isfile(path): self._open()
[docs] def filemode(self): return self._fileMode
[docs] def setFileMode(self, fileMode): self._fileMode = fileMode
def _openPrev(self): if self._recentPathId<=0 or self._recentPathId>=len(self._recentPath): self._btnPrev.setDisabled() return self._recentPathId -= 1 self._openNewPath(self._recentPath[self._recentPathId],False) if self._recentPathId<=0: self._btnPrev.setDisabled() self._btnNext.setEnabled() def _openNext(self): if self._recentPathId<0 or self._recentPathId>=len(self._recentPath)-1: self._btnNext.setDisabled() return self._recentPathId += 1 self._openNewPath(self._recentPath[self._recentPathId],False) if self._recentPathId>=len(self._recentPath)-1: self._btnNext.setDisabled() self._btnPrev.setEnabled() def _openUp(self): path = os.path.abspath(self._recentPath[self._recentPathId]) path, e = os.path.split(path) if e: self._openNewPath(path, True) def _openNewPath(self, path, addToRecent=True): self._path = path if addToRecent: self._recentPathId = len(self._recentPath) self._recentPath.append(path) if self._recentPathId: self._btnPrev.setEnabled() self._btnNext.setDisabled() self._fileTree.openPath(path) self._lookPath.currentTextChanged.disconnect(self._openNewPath) self._lookPath.clear() self._lookPath.addItems(TTkFileDialogPicker._getListLook(self._path)) self._lookPath.setCurrentIndex(0) self._lookPath.currentTextChanged.connect(self._openNewPath) @staticmethod def _getListLook(path): path = os.path.abspath(path) ret = [path] while True: path, e = os.path.split(path) if e: ret.append(path) if not path or path=='/' or path[1:]==":\\": break return ret
[docs] class TTkFileDialog:
[docs] @staticmethod def getOpenFileName(caption, dir=".", filter="All Files (*)", options=None): pass
[docs] class TTkFileButtonPicker(TTkButton): ''' TTkFileButtonPicker: :: ┌────┐ │File│ ╘════╛ ╔═════════════════════════════════════════════════════════════════════════╗ ║ Pick Something [^][x]║ ╟─────────────────────────────────────────────────────────────────────────╢ ║Look in: [/home/one/github/Varie/pyTermTk ^][<][>][^]║ ║┌──────────╥────────────────────────────────────────────────────────────┐║ ║│∙ Computer║Name ▼╿Size ╿Type ╿Date Modified ╿▲│║ ║│∙ Home ║ - TTkUiTools/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ __init__.py │ 75 bytes│File │2023-04-18 16:38:03│┊│║ ║│ ║ + __pycache__/ │ │Folder │2023-04-18 23:54:33│┊│║ ║│ ║ + properties/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ uiloader.py │ 7.96 KB│File │2023-04-18 16:38:03│┊│║ ║│ ║ ∙ uiproperties.│ 2.39 KB│File │2023-04-18 16:38:03│▓│║ ║│ ║ + TTkWidgets/ │ │Folder │2023-04-18 16:38:03│▓│║ ║│ ║ ∙ __init__.py │272 bytes│File │2023-04-18 16:38:03│▓│║ ║│ ║ + __pycache__/ │ │Folder │2023-04-18 23:54:33│▓│║ ║│ ║ + demo/ │ │Folder │2023-04-18 16:38:03│┊│║ ║│ ║ + docs/ │ │Folder │2023-04-27 22:16:30│┊│║ ║│ ║ + experiments/ │ │Folder │2023-04-27 13:10:29│┊│║ ║│ ║ ∙ pippo.py │ 1.72 KB│File │2023-04-26 21:01:53│┊│║ ║│ ║ ∙ profiler.bin │256.71 KB│File │2023-04-10 06:01:03│▼│║ ║└──────────╨────────────────────────────────────────────────────────────┘║ ║File name: /home/one/github/Varie/pyTermTk/TermTk/TTkUiTools/ [ Open ]║ ║Files of type:[All Files (*) ^][Cancel]║ ╚═════════════════════════════════════════════════════════════════════════╝ Demo: `formwidgets.py <https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/demo/showcase/filepicker.py>`_ (`Try Online <https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?fileUri=https://raw.githubusercontent.com/ceccopierangiolieugenio/pyTermTk/main/demo/showcase/filepicker.py>`__) `ttkdesigner Tutorial <https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/ttkDesigner/textEdit/textEdit.rst>`_ :param path: the current path used in the file dialog, defaults to "." :type path: str, optional :param caption: the title of the dialog, defaults to "**File Dialog**" :type caption: str, optional :param filter: List of filters separated with "**;;**", defaults to "**All Files (*)**". Example: :: filter="Images (*.png *.xpm *.jpg);;Text files (*.txt);;XML files (*.xml)" :type filter: str, optional :param fileMode: The file mode defines the number and type of items that the user is expected to select in the dialog, defaults to :py:class:`~TermTk.TTkCore.constant.TTkConstant.FileMode.Anyfile` :type fileMode: :py:class:`TTkConstant.FileMode`, optional :param acceptMode: TThe action mode defines whether the dialog is for opening or saving files, defaults to :py:class:`~TermTk.TTkCore.constant.TTkConstant.AcceptMode.AcceptOpen` :type acceptMode: :py:class:`TTkConstant.AcceptMode`, optional +-----------------------------------------------------------------------------------------------+ | `Signals <https://ceccopierangiolieugenio.github.io/pyTermTk/tutorial/003-signalslots.html>`_ | +-----------------------------------------------------------------------------------------------+ .. py:method:: pathPicked(pathName:pyTTkSignal This signal is emitted whenever any path is picked (Files/Dir) :param pathName: the name of the path :type pathName: str .. py:method:: filePicked(fileName:pyTTkSignal This signal is emitted whenever any file is picked :param fileName: the name of the file :type fileName: str .. py:method:: folderPicked(dirName:pyTTkSignal This signal is emitted whenever any folder is picked :param dirName: the name of the folder :type dirName: str ''' __slots__ = ('_filter', '_caption', '_fileMode', '_acceptMode', '_path' # Signals 'pathPicked', 'filePicked', 'filesPicked', 'folderPicked') def __init__(self, *, path:str='.', filter:str='All Files (*)', caption:str='File Dialog', fileMode:TTkK.FileMode=TTkK.FileMode.AnyFile, acceptMode:TTkK.AcceptMode=TTkK.AcceptMode.AcceptOpen, **kwargs) -> None: # Signals self.pathPicked = pyTTkSignal(str) self.filePicked = pyTTkSignal(str) self.filesPicked = pyTTkSignal(list) self.folderPicked = pyTTkSignal(str) super().__init__(**kwargs) self._path = path self._filter = filter self._caption = caption self._fileMode = fileMode self._acceptMode = acceptMode self.clicked.connect(self._fileButtonClicked)
[docs] def filter(self): return self._filter
[docs] def setFilter(self, filter): self._filter = filter
[docs] def caption(self): return self._caption
[docs] def setCaption(self, caption): self._caption = caption
[docs] def acceptMode(self) -> TTkK.AcceptMode: return self._acceptMode
[docs] def setAcceptMode(self, mode:TTkK.AcceptMode): self._acceptMode = mode
[docs] def fileMode(self) -> TTkK.FileMode: return self._fileMode
[docs] def setFileMode(self, fm:TTkK.FileMode): self._fileMode = fm
[docs] def path(self): return self._path
[docs] def setPath(self, path): self._path = path
@pyTTkSlot() def _fileButtonClicked(self): filePicker = TTkFileDialogPicker(pos = (3,3), size=(80,30), caption=self._caption, path=self._path, filter=self._filter, acceptMode=self._acceptMode, fileMode=self._fileMode) filePicker.pathPicked.connect(self.pathPicked.emit) filePicker.filePicked.connect(self.filePicked.emit) filePicker.filesPicked.connect(self.filesPicked.emit) filePicker.folderPicked.connect(self.folderPicked.emit) TTkHelper.overlay(None, filePicker, 5, 5, True)