Veronica Berglyd Olsen
301 lines
9.8 KiB
Python
301 lines
9.8 KiB
Python
"""
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novelWriter – Project Item Class
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================================
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Data class for a project tree item
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File History:
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Created: 2018-10-27 [0.0.1]
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This file is a part of novelWriter
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Copyright 2018–2021, Veronica Berglyd Olsen
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import logging
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from lxml import etree
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from nw.enum import nwItemType, nwItemClass, nwItemLayout
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from nw.common import checkInt, isHandle, isItemClass, isItemLayout, isItemType
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logger = logging.getLogger(__name__)
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class NWItem():
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def __init__(self, theProject):
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self.theProject = theProject
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self.itemName = ""
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self.itemHandle = None
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self.itemParent = None
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self.itemOrder = 0
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self.itemType = nwItemType.NO_TYPE
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self.itemClass = nwItemClass.NO_CLASS
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self.itemLayout = nwItemLayout.NO_LAYOUT
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self.itemStatus = None
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self.isExpanded = False
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self.isExported = True
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# Document Meta Data
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self.charCount = 0 # Current character count
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self.wordCount = 0 # Current word count
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self.paraCount = 0 # Current paragraph count
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self.initCount = 0 # Initial word count
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self.cursorPos = 0 # Last cursor position
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return
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##
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# XML Pack/Unpack
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##
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def packXML(self, xParent):
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"""Packs all the data in the class instance into an XML object.
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"""
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xPack = etree.SubElement(xParent, "item", attrib={
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"handle" : str(self.itemHandle),
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"order" : str(self.itemOrder),
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"parent" : str(self.itemParent),
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})
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self._subPack(xPack, "name", text=str(self.itemName))
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self._subPack(xPack, "type", text=str(self.itemType.name))
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self._subPack(xPack, "class", text=str(self.itemClass.name))
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self._subPack(xPack, "status", text=str(self.itemStatus))
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if self.itemType == nwItemType.FILE:
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self._subPack(xPack, "exported", text=str(self.isExported))
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self._subPack(xPack, "layout", text=str(self.itemLayout.name))
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self._subPack(xPack, "charCount", text=str(self.charCount), none=False)
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self._subPack(xPack, "wordCount", text=str(self.wordCount), none=False)
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self._subPack(xPack, "paraCount", text=str(self.paraCount), none=False)
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self._subPack(xPack, "cursorPos", text=str(self.cursorPos), none=False)
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else:
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self._subPack(xPack, "expanded", text=str(self.isExpanded))
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return
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def unpackXML(self, xItem):
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"""Sets the values from an XML entry of type 'item'.
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"""
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if xItem.tag != "item":
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logger.error("XML entry is not an NWItem")
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return False
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if "handle" in xItem.attrib:
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self.setHandle(xItem.attrib["handle"])
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else:
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logger.error("XML item entry does not have a handle")
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return False
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if "parent" in xItem.attrib:
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self.setParent(xItem.attrib["parent"])
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if "order" in xItem.attrib:
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self.setOrder(xItem.attrib["order"])
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for xValue in xItem:
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if xValue.tag == "name":
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self.setName(xValue.text)
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elif xValue.tag == "type":
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self.setType(xValue.text)
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elif xValue.tag == "class":
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self.setClass(xValue.text)
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elif xValue.tag == "layout":
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self.setLayout(xValue.text)
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elif xValue.tag == "status":
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self.setStatus(xValue.text)
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elif xValue.tag == "expanded":
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self.setExpanded(xValue.text)
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elif xValue.tag == "exported":
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self.setExported(xValue.text)
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elif xValue.tag == "charCount":
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self.setCharCount(xValue.text)
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elif xValue.tag == "wordCount":
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self.setWordCount(xValue.text)
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elif xValue.tag == "paraCount":
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self.setParaCount(xValue.text)
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elif xValue.tag == "cursorPos":
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self.setCursorPos(xValue.text)
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else:
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# Sliently skip as we may otherwise cause orphaned
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# items if an otherwise valid file is opened by a
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# version of novelWriter that doesn't know the tag.
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logger.error("Unknown tag '%s'" % xValue.tag)
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return True
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@staticmethod
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def _subPack(xParent, name, attrib=None, text=None, none=True):
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"""Packs the values into an xml element.
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"""
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if not none and (text is None or text == "None"):
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return None
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xAttr = {} if attrib is None else attrib
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xSub = etree.SubElement(xParent, name, attrib=xAttr)
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if text is not None:
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xSub.text = text
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return
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##
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# Set Item Values
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##
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def setName(self, theName):
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"""Set the item name.
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"""
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if isinstance(theName, str):
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self.itemName = theName.strip()
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else:
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self.itemName = ""
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return
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def setHandle(self, theHandle):
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"""Set the item handle, and ensure it is valid.
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"""
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if isinstance(theHandle, str):
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if isHandle(theHandle):
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self.itemHandle = theHandle
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else:
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self.itemHandle = None
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else:
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self.itemHandle = None
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return
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def setParent(self, theParent):
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"""Set the parent handle, and ensure that it is valid.
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"""
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if theParent is None:
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self.itemParent = None
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elif isinstance(theParent, str):
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if isHandle(theParent):
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self.itemParent = theParent
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else:
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self.itemParent = None
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else:
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self.itemParent = None
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return
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def setOrder(self, theOrder):
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"""Set the item order, and ensure that it is valid. This value
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is purely a meta value, not actually used by novelWriter.
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"""
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self.itemOrder = checkInt(theOrder, 0)
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return
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def setType(self, theType):
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"""Set the item type from either a proper nwItemType, or set it
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from a string representing a nwItemType.
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"""
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if isinstance(theType, nwItemType):
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self.itemType = theType
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elif isItemType(theType):
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self.itemType = nwItemType[theType]
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else:
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logger.error("Unrecognised item type '%s'" % theType)
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self.itemType = nwItemType.NO_TYPE
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return
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def setClass(self, theClass):
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"""Set the item class from either a proper nwItemClass, or set
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it from a string representing a nwItemClass.
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"""
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if isinstance(theClass, nwItemClass):
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self.itemClass = theClass
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elif isItemClass(theClass):
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self.itemClass = nwItemClass[theClass]
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else:
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logger.error("Unrecognised item class '%s'" % theClass)
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self.itemClass = nwItemClass.NO_CLASS
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return
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def setLayout(self, theLayout):
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"""Set the item layout from either a proper nwItemLayout, or set
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it from a string representing a nwItemLayout.
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"""
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if isinstance(theLayout, nwItemLayout):
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self.itemLayout = theLayout
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elif isItemLayout(theLayout):
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self.itemLayout = nwItemLayout[theLayout]
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else:
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logger.error("Unrecognised item layout '%s'" % theLayout)
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self.itemLayout = nwItemLayout.NO_LAYOUT
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return
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def setStatus(self, theStatus):
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"""Set the item status by looking it up in the valid status
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items of the current project.
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"""
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if self.itemClass == nwItemClass.NOVEL:
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self.itemStatus = self.theProject.statusItems.checkEntry(theStatus)
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else:
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self.itemStatus = self.theProject.importItems.checkEntry(theStatus)
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return
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def setExpanded(self, expState):
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"""Save the expanded status of an item in the project tree.
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"""
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if isinstance(expState, str):
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self.isExpanded = (expState == str(True))
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else:
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self.isExpanded = (expState == True) # noqa: E712
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return
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def setExported(self, expState):
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"""Save the export flag.
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"""
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if isinstance(expState, str):
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self.isExported = (expState == str(True))
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else:
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self.isExported = (expState == True) # noqa: E712
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return
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##
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# Set Document Meta Data
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##
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def setCharCount(self, theCount):
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"""Set the character count, and ensure that it is an integer.
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"""
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self.charCount = checkInt(theCount, 0)
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return
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def setWordCount(self, theCount):
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"""Set the word count, and ensure that it is an integer.
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"""
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self.wordCount = checkInt(theCount, 0)
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return
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def setParaCount(self, theCount):
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"""Set the paragraph count, and ensure that it is an integer.
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"""
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self.paraCount = checkInt(theCount, 0)
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return
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def setCursorPos(self, thePosition):
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"""Set the cursor position, and ensure that it is an integer.
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"""
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self.cursorPos = checkInt(thePosition, 0)
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return
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def saveInitialCount(self):
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"""Set the initial word count.
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"""
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self.initCount = self.wordCount
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return
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# END Class NWItem
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