Python TextBlockHelper.set_fold_trigger_state方法代码示例

# 需要导入模块: from pyqode.core.api.utils import TextBlockHelper [as 别名]
# 或者: from pyqode.core.api.utils.TextBlockHelper import set_fold_trigger_state [as 别名]
 def fold(self):
     """
     Folds the region.
     """
     start, end = self.get_range()
     TextBlockHelper.set_fold_trigger_state(self._trigger, True)
     block = self._trigger.next()
     while block.blockNumber() <= end and block.isValid():
         block.setVisible(False)
         block = block.next()

# 需要导入模块: from pyqode.core.api.utils import TextBlockHelper [as 别名]
# 或者: from pyqode.core.api.utils.TextBlockHelper import set_fold_trigger_state [as 别名]
 def unfold(self):
     """
     Unfolds the region.
     """
     # set all direct child blocks which are not triggers to be visible
     self._trigger.setVisible(True)
     TextBlockHelper.set_fold_trigger_state(self._trigger, False)
     for block in self.blocks(ignore_blank_lines=False):
         block.setVisible(True)
     for region in self.child_regions():
         if not region.collapsed:
             region.unfold()
         else:
             # leave it closed but open the last blank lines and the
             # trigger line
             start, bstart = region.get_range(ignore_blank_lines=True)
             _, bend = region.get_range(ignore_blank_lines=False)
             block = self._trigger.document().findBlockByNumber(start)
             block.setVisible(True)
             block = self._trigger.document().findBlockByNumber(bend)
             while block.blockNumber() > bstart:
                 block.setVisible(True)
                 block = block.previous()

# 需要导入模块: from pyqode.core.api.utils import TextBlockHelper [as 别名]
# 或者: from pyqode.core.api.utils.TextBlockHelper import set_fold_trigger_state [as 别名]
    def process_block(self, current_block, previous_block, text):
        """
        Processes a block and setup its folding info.

        This method call ``detect_fold_level`` and handles most of the tricky
        corner cases so that all you have to do is focus on getting the proper
        fold level foreach meaningful block, skipping the blank ones.

        :param current_block: current block to process
        :param previous_block: previous block
        :param text: current block text
        """
        prev_fold_level = TextBlockHelper.get_fold_lvl(previous_block)
        if text.strip() == '':
            # blank line always have the same level as the previous line,
            fold_level = prev_fold_level
        else:
            fold_level = self.detect_fold_level(
                previous_block, current_block)
            if fold_level > self.limit:
                fold_level = self.limit

        if fold_level > prev_fold_level:
            # apply on previous blank lines
            block = current_block.previous()
            while block.isValid() and block.text().strip() == '':
                TextBlockHelper.set_fold_lvl(block, fold_level)
                block = block.previous()
            TextBlockHelper.set_fold_trigger(
                block, True)

        delta_abs = abs(fold_level - prev_fold_level)
        if delta_abs > 1:
            if fold_level > prev_fold_level:
                # try to fix inconsistent fold level
                _logger().debug(
                    '(l%d) inconsistent fold level, difference between '
                    'consecutive blocks cannot be greater than 1 (%d).',
                    current_block.blockNumber() + 1, delta_abs)
                fold_level = prev_fold_level + 1

        # update block fold level
        if text.strip():
            TextBlockHelper.set_fold_trigger(
                previous_block, fold_level > prev_fold_level)
        TextBlockHelper.set_fold_lvl(current_block, fold_level)

        # user pressed enter at the beginning of a fold trigger line
        # the previous blank line will keep the trigger state and the new line
        # (which actually contains the trigger) must use the prev state (
        # and prev state must then be reset).
        prev = current_block.previous()  # real prev block (may be blank)
        if (prev and prev.isValid() and prev.text().strip() == '' and
                TextBlockHelper.is_fold_trigger(prev)):
            # prev line has the correct trigger fold state
            TextBlockHelper.set_fold_trigger_state(
                current_block, TextBlockHelper.get_fold_trigger_state(
                    prev))
            # make empty line not a trigger
            TextBlockHelper.set_fold_trigger(prev, False)
            TextBlockHelper.set_fold_trigger_state(prev, False)