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87 lines
3.6 KiB
Python
87 lines
3.6 KiB
Python
# Created By: Virgil Dupras
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# Created On: 2009-11-25
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# Copyright 2013 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "BSD" 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.hardcoded.net/licenses/bsd_license
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from PyQt4.QtCore import Qt
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class Column:
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def __init__(self, attrname, defaultWidth, editor=None, alignment=Qt.AlignLeft, cantTruncate=False):
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self.attrname = attrname
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self.defaultWidth = defaultWidth
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self.editor = editor
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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.cantTruncate = cantTruncate
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class Columns:
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def __init__(self, model, columns, headerView):
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self.model = model
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self._headerView = headerView
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self._headerView.setDefaultAlignment(Qt.AlignLeft)
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def setspecs(col, modelcol):
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modelcol.default_width = col.defaultWidth
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modelcol.editor = col.editor
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modelcol.alignment = col.alignment
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modelcol.cantTruncate = col.cantTruncate
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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._headerView.sectionMoved.connect(self.headerSectionMoved)
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self._headerView.sectionResized.connect(self.headerSectionResized)
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#--- Public
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def setColumnsWidth(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._headerView.resizeSection(column.logical_index, width)
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def setColumnsOrder(self, columnIndexes):
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if not columnIndexes:
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return
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for destIndex, columnIndex in enumerate(columnIndexes):
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# moveSection takes 2 visual index arguments, so we have to get our visual index first
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visualIndex = self._headerView.visualIndex(columnIndex)
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self._headerView.moveSection(visualIndex, destIndex)
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#--- Events
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def headerSectionMoved(self, logicalIndex, oldVisualIndex, newVisualIndex):
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attrname = self.model.column_by_index(logicalIndex).name
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self.model.move_column(attrname, newVisualIndex)
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def headerSectionResized(self, logicalIndex, oldSize, newSize):
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attrname = self.model.column_by_index(logicalIndex).name
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self.model.resize_column(attrname, newSize)
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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.setColumnsOrder(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.setColumnsWidth(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._headerView.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._headerView.setSectionHidden(column.logical_index, not visible)
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