diff options
Diffstat (limited to 'silx/gui/widgets/TableWidget.py')
| -rw-r--r-- | silx/gui/widgets/TableWidget.py | 162 |
1 files changed, 150 insertions, 12 deletions
diff --git a/silx/gui/widgets/TableWidget.py b/silx/gui/widgets/TableWidget.py index fad80ee..8167fec 100644 --- a/silx/gui/widgets/TableWidget.py +++ b/silx/gui/widgets/TableWidget.py @@ -1,7 +1,7 @@ # coding: utf-8 # /*########################################################################## # -# Copyright (c) 2004-2016 European Synchrotron Radiation Facility +# Copyright (c) 2004-2017 European Synchrotron Radiation Facility # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal @@ -50,7 +50,7 @@ creating the widgets, or later by calling their :meth:`enableCut` and __authors__ = ["P. Knobel"] __license__ = "MIT" -__date__ = "26/01/2017" +__date__ = "03/07/2017" import sys @@ -104,6 +104,8 @@ class CopySelectedCellsAction(qt.QAction): Put this text into the clipboard. """ selected_idx = self.table.selectedIndexes() + if not selected_idx: + return selected_idx_tuples = [(idx.row(), idx.column()) for idx in selected_idx] selected_rows = [idx[0] for idx in selected_idx_tuples] @@ -334,6 +336,41 @@ class PasteCellsAction(qt.QAction): return True +class CopySingleCellAction(qt.QAction): + """QAction to copy text from a single cell in a modified + :class:`QTableWidget`. + + This action relies on the fact that the text in the last clicked cell + are stored in :attr:`_last_cell_clicked` of the modified widget. + + In most cases, :class:`CopySelectedCellsAction` handles single cells, + but if the selection mode of the widget has been set to NoSelection + it is necessary to use this class instead. + + :param table: :class:`QTableView` to which this action belongs. + """ + def __init__(self, table): + if not isinstance(table, qt.QTableView): + raise ValueError('CopySingleCellAction must be initialised ' + + 'with a QTableWidget.') + super(CopySingleCellAction, self).__init__(table) + self.setText("Copy cell") + self.setToolTip("Copy cell content into the clipboard.") + self.triggered.connect(self.copyCellToClipboard) + self.table = table + + def copyCellToClipboard(self): + """ + """ + cell_text = self.table._text_last_cell_clicked + if cell_text is None: + return + + # put this text into clipboard + qapp = qt.QApplication.instance() + qapp.clipboard().setText(cell_text) + + class TableWidget(qt.QTableWidget): """:class:`QTableWidget` with a context menu displaying up to 5 actions: @@ -350,14 +387,25 @@ class TableWidget(qt.QTableWidget): overwriting data (no *Undo* action is available). Use :meth:`enablePaste` and :meth:`enableCut` to activate them. + .. image:: img/TableWidget.png + :param parent: Parent QWidget :param bool cut: Enable cut action :param bool paste: Enable paste action """ def __init__(self, parent=None, cut=False, paste=False): super(TableWidget, self).__init__(parent) - self.addAction(CopySelectedCellsAction(self)) - self.addAction(CopyAllCellsAction(self)) + self._text_last_cell_clicked = None + + self.copySelectedCellsAction = CopySelectedCellsAction(self) + self.copyAllCellsAction = CopyAllCellsAction(self) + self.copySingleCellAction = None + self.pasteCellsAction = None + self.cutSelectedCellsAction = None + self.cutAllCellsAction = None + + self.addAction(self.copySelectedCellsAction) + self.addAction(self.copyAllCellsAction) if cut: self.enableCut() if paste: @@ -365,6 +413,12 @@ class TableWidget(qt.QTableWidget): self.setContextMenuPolicy(qt.Qt.ActionsContextMenu) + def mousePressEvent(self, event): + item = self.itemAt(event.pos()) + if item is not None: + self._text_last_cell_clicked = item.text() + super(TableWidget, self).mousePressEvent(event) + def enablePaste(self): """Enable paste action, to paste data from the clipboard into the table. @@ -374,7 +428,8 @@ class TableWidget(qt.QTableWidget): This action can cause data to be overwritten. There is currently no *Undo* action to retrieve lost data. """ - self.addAction(PasteCellsAction(self)) + self.pasteCellsAction = PasteCellsAction(self) + self.addAction(self.pasteCellsAction) def enableCut(self): """Enable cut action. @@ -383,8 +438,40 @@ class TableWidget(qt.QTableWidget): This action can cause data to be deleted. There is currently no *Undo* action to retrieve lost data.""" - self.addAction(CutSelectedCellsAction(self)) - self.addAction(CutAllCellsAction(self)) + self.cutSelectedCellsAction = CutSelectedCellsAction(self) + self.cutAllCellsAction = CutAllCellsAction(self) + self.addAction(self.cutSelectedCellsAction) + self.addAction(self.cutAllCellsAction) + + def setSelectionMode(self, mode): + """Overloaded from QTableWidget to disable cut/copy selection + actions in case mode is NoSelection + + :param mode: + :return: + """ + if mode == qt.QTableView.NoSelection: + self.copySelectedCellsAction.setVisible(False) + self.copySelectedCellsAction.setEnabled(False) + if self.cutSelectedCellsAction is not None: + self.cutSelectedCellsAction.setVisible(False) + self.cutSelectedCellsAction.setEnabled(False) + if self.copySingleCellAction is None: + self.copySingleCellAction = CopySingleCellAction(self) + self.insertAction(self.copySelectedCellsAction, # before first action + self.copySingleCellAction) + self.copySingleCellAction.setVisible(True) + self.copySingleCellAction.setEnabled(True) + else: + self.copySelectedCellsAction.setVisible(True) + self.copySelectedCellsAction.setEnabled(True) + if self.cutSelectedCellsAction is not None: + self.cutSelectedCellsAction.setVisible(True) + self.cutSelectedCellsAction.setEnabled(True) + if self.copySingleCellAction is not None: + self.copySingleCellAction.setVisible(False) + self.copySingleCellAction.setEnabled(False) + super(TableWidget, self).setSelectionMode(mode) class TableView(qt.QTableView): @@ -414,9 +501,24 @@ class TableView(qt.QTableView): """ def __init__(self, parent=None, cut=False, paste=False): super(TableView, self).__init__(parent) + self._text_last_cell_clicked = None + self.cut = cut self.paste = paste + self.copySelectedCellsAction = None + self.copyAllCellsAction = None + self.copySingleCellAction = None + self.pasteCellsAction = None + self.cutSelectedCellsAction = None + self.cutAllCellsAction = None + + def mousePressEvent(self, event): + qindex = self.indexAt(event.pos()) + if self.copyAllCellsAction is not None: # model was set + self._text_last_cell_clicked = self.model().data(qindex) + super(TableView, self).mousePressEvent(event) + def setModel(self, model): """Set the data model for the table view, activate the actions and the context menu. @@ -425,8 +527,10 @@ class TableView(qt.QTableView): """ super(TableView, self).setModel(model) - self.addAction(CopySelectedCellsAction(self)) - self.addAction(CopyAllCellsAction(self)) + self.copySelectedCellsAction = CopySelectedCellsAction(self) + self.copyAllCellsAction = CopyAllCellsAction(self) + self.addAction(self.copySelectedCellsAction) + self.addAction(self.copyAllCellsAction) if self.cut: self.enableCut() if self.paste: @@ -443,7 +547,8 @@ class TableView(qt.QTableView): This action can cause data to be overwritten. There is currently no *Undo* action to retrieve lost data. """ - self.addAction(PasteCellsAction(self)) + self.pasteCellsAction = PasteCellsAction(self) + self.addAction(self.pasteCellsAction) def enableCut(self): """Enable cut action. @@ -453,8 +558,10 @@ class TableView(qt.QTableView): This action can cause data to be deleted. There is currently no *Undo* action to retrieve lost data. """ - self.addAction(CutSelectedCellsAction(self)) - self.addAction(CutAllCellsAction(self)) + self.cutSelectedCellsAction = CutSelectedCellsAction(self) + self.cutAllCellsAction = CutAllCellsAction(self) + self.addAction(self.cutSelectedCellsAction) + self.addAction(self.cutAllCellsAction) def addAction(self, action): # ensure the actions are not added multiple times: @@ -466,6 +573,37 @@ class TableView(qt.QTableView): return None super(TableView, self).addAction(action) + def setSelectionMode(self, mode): + """Overloaded from QTableView to disable cut/copy selection + actions in case mode is NoSelection + + :param mode: + :return: + """ + if mode == qt.QTableView.NoSelection: + self.copySelectedCellsAction.setVisible(False) + self.copySelectedCellsAction.setEnabled(False) + if self.cutSelectedCellsAction is not None: + self.cutSelectedCellsAction.setVisible(False) + self.cutSelectedCellsAction.setEnabled(False) + if self.copySingleCellAction is None: + self.copySingleCellAction = CopySingleCellAction(self) + self.insertAction(self.copySelectedCellsAction, # before first action + self.copySingleCellAction) + self.copySingleCellAction.setVisible(True) + self.copySingleCellAction.setEnabled(True) + else: + self.copySelectedCellsAction.setVisible(True) + self.copySelectedCellsAction.setEnabled(True) + if self.cutSelectedCellsAction is not None: + self.cutSelectedCellsAction.setVisible(True) + self.cutSelectedCellsAction.setEnabled(True) + if self.copySingleCellAction is not None: + self.copySingleCellAction.setVisible(False) + self.copySingleCellAction.setEnabled(False) + super(TableView, self).setSelectionMode(mode) + + if __name__ == "__main__": app = qt.QApplication([]) |