66 lines
1.7 KiB
Python
66 lines
1.7 KiB
Python
"""
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Contains the text decorations manager
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"""
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import logging
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from pyqode.core.api.manager import Manager
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def _logger():
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return logging.getLogger(__name__)
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class TextDecorationsManager(Manager):
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"""
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Manages the collection of TextDecoration that have been set on the editor
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widget.
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"""
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def __init__(self, editor):
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super(TextDecorationsManager, self).__init__(editor)
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self._decorations = []
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def append(self, decoration):
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"""
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Adds a text decoration on a CodeEdit instance
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:param decoration: Text decoration to add
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:type decoration: pyqode.core.api.TextDecoration
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"""
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if decoration not in self._decorations:
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self._decorations.append(decoration)
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self._decorations = sorted(
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self._decorations, key=lambda sel: sel.draw_order)
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self.editor.setExtraSelections(self._decorations)
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return True
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return False
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def remove(self, decoration):
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"""
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Removes a text decoration from the editor.
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:param decoration: Text decoration to remove
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:type decoration: pyqode.core.api.TextDecoration
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"""
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try:
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self._decorations.remove(decoration)
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self.editor.setExtraSelections(self._decorations)
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return True
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except ValueError:
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return False
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def clear(self):
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"""
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Removes all text decoration from the editor.
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"""
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self._decorations[:] = []
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try:
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self.editor.setExtraSelections(self._decorations)
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except RuntimeError:
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pass
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def __iter__(self):
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return iter(self._decorations)
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def __len__(self):
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return len(self._decorations)
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