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111 lines
4.4 KiB
Python
111 lines
4.4 KiB
Python
# Created By: Virgil Dupras
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# Created On: 2009-11-25
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# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.gnu.org/licenses/gpl-3.0.html
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QHeaderView
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class Column:
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def __init__(
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self,
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attrname,
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default_width,
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editor=None,
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alignment=Qt.AlignLeft,
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cant_truncate=False,
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painter=None,
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resize_to_fit=False,
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):
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self.attrname = attrname
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self.default_width = default_width
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self.editor = editor
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# See moneyguru #15. Painter attribute was added to allow custom painting of amount value and
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# currency information. Can be used as a pattern for custom painting of any column.
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self.painter = painter
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self.alignment = alignment
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# This is to indicate, during printing, that a column can't have its data truncated.
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self.cant_truncate = cant_truncate
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self.resize_to_fit = resize_to_fit
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class Columns:
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def __init__(self, model, columns, header_view):
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self.model = model
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self._header_view = header_view
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self._header_view.setDefaultAlignment(Qt.AlignLeft)
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def setspecs(col, modelcol):
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modelcol.default_width = col.default_width
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modelcol.editor = col.editor
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modelcol.painter = col.painter
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modelcol.resize_to_fit = col.resize_to_fit
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modelcol.alignment = col.alignment
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modelcol.cant_truncate = col.cant_truncate
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if columns:
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for col in columns:
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modelcol = self.model.column_by_name(col.attrname)
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setspecs(col, modelcol)
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else:
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col = Column("", 100)
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for modelcol in self.model.column_list:
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setspecs(col, modelcol)
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self.model.view = self
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self._header_view.sectionMoved.connect(self.header_section_moved)
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self._header_view.sectionResized.connect(self.header_section_resized)
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# See moneyguru #14 and #15. This was added in order to allow automatic resizing of columns.
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for column in self.model.column_list:
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if column.resize_to_fit:
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self._header_view.setSectionResizeMode(column.logical_index, QHeaderView.ResizeToContents)
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# --- Public
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def set_columns_width(self, widths):
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# `widths` can be None. If it is, then default widths are set.
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columns = self.model.column_list
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if not widths:
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widths = [column.default_width for column in columns]
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for column, width in zip(columns, widths):
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if width == 0: # column was hidden before.
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width = column.default_width
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self._header_view.resizeSection(column.logical_index, width)
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def set_columns_order(self, column_indexes):
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if not column_indexes:
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return
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for dest_index, column_index in enumerate(column_indexes):
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# moveSection takes 2 visual index arguments, so we have to get our visual index first
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visual_index = self._header_view.visualIndex(column_index)
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self._header_view.moveSection(visual_index, dest_index)
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# --- Events
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def header_section_moved(self, logical_index, old_visual_index, new_visual_index):
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attrname = self.model.column_by_index(logical_index).name
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self.model.move_column(attrname, new_visual_index)
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def header_section_resized(self, logical_index, old_size, new_size):
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attrname = self.model.column_by_index(logical_index).name
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self.model.resize_column(attrname, new_size)
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# --- model --> view
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def restore_columns(self):
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columns = self.model.ordered_columns
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indexes = [col.logical_index for col in columns]
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self.set_columns_order(indexes)
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widths = [col.width for col in self.model.column_list]
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if not any(widths):
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widths = None
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self.set_columns_width(widths)
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for column in self.model.column_list:
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visible = self.model.column_is_visible(column.name)
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self._header_view.setSectionHidden(column.logical_index, not visible)
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def set_column_visible(self, colname, visible):
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column = self.model.column_by_name(colname)
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self._header_view.setSectionHidden(column.logical_index, not visible)
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