Veronica Berglyd Olsen
364 lines
12 KiB
Python
364 lines
12 KiB
Python
"""
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novelWriter – GUI Document Viewer Panel
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=======================================
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File History:
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Created: 2023-11-14 [2.2rc1] GuiDocViewerPanel
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This file is a part of novelWriter
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Copyright 2018–2023, 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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from __future__ import annotations
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import logging
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from PyQt5.QtCore import QSize, Qt, pyqtSlot
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from PyQt5.QtWidgets import (
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QAbstractItemView, QFrame, QHeaderView, QTabWidget, QTreeWidget,
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QTreeWidgetItem, QVBoxLayout, QWidget
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)
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from novelwriter import CONFIG, SHARED
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from novelwriter.constants import nwHeaders, nwLabels, nwLists, trConst
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from novelwriter.core.index import IndexHeading, IndexItem
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from novelwriter.enum import nwItemClass
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logger = logging.getLogger(__name__)
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class GuiDocViewerPanel(QWidget):
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def __init__(self, parent: QWidget) -> None:
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super().__init__(parent=parent)
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logger.debug("Create: GuiDocViewerPanel")
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self._lastHandle = None
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self.tabBackRefs = _ViewPanelBackRefs(self)
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self.mainTabs = QTabWidget(self)
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self.mainTabs.addTab(self.tabBackRefs, self.tr("Backreferences"))
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self.kwTabs: dict[str, _ViewPanelKeyWords] = {}
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self.idTabs: dict[str, int] = {}
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for itemClass in nwLists.USER_CLASSES:
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cTab = _ViewPanelKeyWords(self, itemClass)
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tabId = self.mainTabs.addTab(cTab, trConst(nwLabels.CLASS_NAME[itemClass]))
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self.kwTabs[itemClass.name] = cTab
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self.idTabs[itemClass.name] = tabId
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# Assemble
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self.outerBox = QVBoxLayout()
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self.outerBox.addWidget(self.mainTabs)
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self.outerBox.setContentsMargins(0, 0, 0, 0)
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self.setLayout(self.outerBox)
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self.updateTheme()
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logger.debug("Ready: GuiDocViewerPanel")
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return
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##
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# Methods
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##
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def updateTheme(self) -> None:
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"""Update theme elements."""
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vPx = CONFIG.pxInt(4)
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lPx = CONFIG.pxInt(2)
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rPx = CONFIG.pxInt(14)
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hCol = self.palette().highlight().color()
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styleSheet = (
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"QTabWidget::pane {border: 0;} "
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"QTabWidget QTabBar::tab {"
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f"border: 0; padding: {vPx}px {rPx}px {vPx}px {lPx}px;"
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"} "
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"QTabWidget QTabBar::tab:selected {"
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f"color: rgb({hCol.red()}, {hCol.green()}, {hCol.blue()});"
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"} "
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)
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self.mainTabs.setStyleSheet(styleSheet)
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self.updateHandle(self._lastHandle)
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return
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def openProjectTasks(self) -> None:
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"""Run open project tasks."""
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self.clearClassTabs()
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for key, name, tClass, iItem, hItem in SHARED.project.index.getTagsData():
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if tClass in self.kwTabs and iItem and hItem:
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self.kwTabs[tClass].addUpdateEntry(key, name, iItem, hItem)
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self._updateTabVisibility()
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return
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def closeProjectTasks(self) -> None:
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"""Run closing project tasks."""
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self.tabBackRefs.refreshContent(None)
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self.clearClassTabs()
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return
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def clearClassTabs(self) -> None:
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"""Clear all the class tabs"""
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for cTab in self.kwTabs.values():
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cTab.clear()
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return
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##
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# Public Slots
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##
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@pyqtSlot(str)
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def projectItemChanged(self, tHandle: str) -> None:
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"""Update meta data for project item."""
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self.tabBackRefs.refreshDocument(tHandle)
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for key in SHARED.project.index.getDocumentTags(tHandle):
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name, tClass, iItem, hItem = SHARED.project.index.getSingleTag(key)
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if tClass in self.kwTabs and iItem and hItem:
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self.kwTabs[tClass].addUpdateEntry(key, name, iItem, hItem)
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return
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@pyqtSlot(str)
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def updateHandle(self, tHandle: str | None) -> None:
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"""Update the document handle."""
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self._lastHandle = tHandle
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self.tabBackRefs.refreshContent(tHandle or None)
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return
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@pyqtSlot(list, list)
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def updateChangedTags(self, updated: list[str], deleted: list[str]) -> None:
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"""Forward tags changes to the lists."""
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for key in updated:
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name, tClass, iItem, hItem = SHARED.project.index.getSingleTag(key)
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if tClass in self.kwTabs and iItem and hItem:
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self.kwTabs[tClass].addUpdateEntry(key, name, iItem, hItem)
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for key in deleted:
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for cTab in self.kwTabs.values():
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if cTab.removeEntry(key):
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break
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else:
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logger.warning("Could not remove tag '%s' from view panel", key)
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self._updateTabVisibility()
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return
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##
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# Internal Functions
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##
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def _updateTabVisibility(self) -> None:
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"""Hide class tabs with no content."""
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for tClass, cTab in self.kwTabs.items():
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self.mainTabs.setTabVisible(self.idTabs[tClass], cTab.count() > 0)
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return
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# END Class GuiDocViewerPanel
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class _ViewPanelBackRefs(QTreeWidget):
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C_DATA = 0
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C_DOC = 0
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C_EDIT = 1
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C_VIEW = 2
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C_TITLE = 3
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D_HANDLE = Qt.ItemDataRole.UserRole
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D_TITLE = Qt.ItemDataRole.UserRole + 1
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def __init__(self, parent: QWidget) -> None:
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super().__init__(parent=parent)
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self._treeMap: dict[str, QTreeWidgetItem] = {}
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iPx = SHARED.theme.baseIconSize
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cMg = CONFIG.pxInt(6)
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# Content
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self.setHeaderLabels([self.tr("Document"), "", "", self.tr("First Heading")])
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self.setIndentation(0)
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self.setSelectionMode(QAbstractItemView.SelectionMode.NoSelection)
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self.setIconSize(QSize(iPx, iPx))
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self.setFrameStyle(QFrame.Shape.NoFrame)
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treeHeader = self.header()
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treeHeader.setStretchLastSection(True)
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treeHeader.setSectionResizeMode(self.C_DOC, QHeaderView.ResizeMode.ResizeToContents)
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treeHeader.setSectionResizeMode(self.C_EDIT, QHeaderView.ResizeMode.Fixed)
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treeHeader.setSectionResizeMode(self.C_VIEW, QHeaderView.ResizeMode.Fixed)
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treeHeader.setSectionResizeMode(self.C_TITLE, QHeaderView.ResizeMode.ResizeToContents)
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treeHeader.resizeSection(self.C_EDIT, iPx + cMg)
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treeHeader.resizeSection(self.C_VIEW, iPx + cMg)
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self._editIcon = SHARED.theme.getIcon("edit")
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self._viewIcon = SHARED.theme.getIcon("view")
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return
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def refreshContent(self, dHandle: str | None) -> None:
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"""Update the content."""
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self.clear()
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self._treeMap = {}
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if dHandle:
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refs = SHARED.project.index.getBackReferenceList(dHandle)
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for tHandle, (sTitle, hItem) in refs.items():
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self._setTreeItemValues(tHandle, sTitle, hItem)
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return
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def refreshDocument(self, tHandle: str) -> None:
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"""Refresh document meta data."""
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iItem = SHARED.project.index.getItemData(tHandle)
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if iItem:
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for sTitle, hItem in iItem.items():
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if f"{tHandle}:{sTitle}" in self._treeMap:
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self._setTreeItemValues(tHandle, sTitle, hItem)
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return
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##
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# Internal Functions
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##
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def _setTreeItemValues(self, tHandle: str, sTitle: str, hItem: IndexHeading) -> None:
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"""Add or update a tree item."""
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nwItem = SHARED.project.tree[tHandle]
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if nwItem is None:
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return
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docIcon = SHARED.theme.getItemIcon(
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nwItem.itemType, nwItem.itemClass,
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nwItem.itemLayout, nwItem.mainHeading
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)
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iLevel = nwHeaders.H_LEVEL.get(hItem.level, 0) if nwItem.isDocumentLayout() else 5
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hDec = SHARED.theme.getHeaderDecorationNarrow(iLevel)
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tKey = f"{tHandle}:{sTitle}"
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if tKey in self._treeMap:
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trItem = self._treeMap[tKey]
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else:
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trItem = QTreeWidgetItem()
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trItem.setIcon(self.C_DOC, docIcon)
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trItem.setText(self.C_DOC, nwItem.itemName)
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trItem.setIcon(self.C_EDIT, self._editIcon)
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trItem.setIcon(self.C_VIEW, self._viewIcon)
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trItem.setText(self.C_TITLE, hItem.title)
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trItem.setData(self.C_TITLE, Qt.ItemDataRole.DecorationRole, hDec)
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trItem.setData(self.C_DATA, self.D_HANDLE, tHandle)
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trItem.setData(self.C_DATA, self.D_TITLE, sTitle)
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if tKey not in self._treeMap:
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self.addTopLevelItem(trItem)
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self._treeMap[tKey] = trItem
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return
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# END Class _ViewPanelBackRefs
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class _ViewPanelKeyWords(QTreeWidget):
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C_DATA = 0
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C_NAME = 0
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C_EDIT = 1
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C_VIEW = 2
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C_DOC = 3
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C_TITLE = 4
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D_TAG = Qt.ItemDataRole.UserRole
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D_HANDLE = Qt.ItemDataRole.UserRole + 1
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def __init__(self, parent: QWidget, itemClass: nwItemClass) -> None:
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super().__init__(parent=parent)
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self._tagMap: dict[str, QTreeWidgetItem] = {}
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iPx = SHARED.theme.baseIconSize
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cMg = CONFIG.pxInt(6)
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self.setHeaderLabels([self.tr("Tag"), "", "", self.tr("Document"), self.tr("Heading")])
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self.setIndentation(0)
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self.setSelectionMode(QAbstractItemView.SelectionMode.NoSelection)
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self.setIconSize(QSize(iPx, iPx))
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self.setFrameStyle(QFrame.Shape.NoFrame)
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self.setSortingEnabled(True)
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self.sortByColumn(self.C_NAME, Qt.SortOrder.AscendingOrder)
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# Set Header Sizes
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treeHeader = self.header()
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treeHeader.setStretchLastSection(True)
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treeHeader.setSectionResizeMode(self.C_NAME, QHeaderView.ResizeMode.ResizeToContents)
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treeHeader.setSectionResizeMode(self.C_EDIT, QHeaderView.ResizeMode.Fixed)
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treeHeader.setSectionResizeMode(self.C_VIEW, QHeaderView.ResizeMode.Fixed)
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treeHeader.resizeSection(self.C_EDIT, iPx + cMg)
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treeHeader.resizeSection(self.C_VIEW, iPx + cMg)
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# Cache Icons Locally
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self._classIcon = SHARED.theme.getIcon(nwLabels.CLASS_ICON[itemClass])
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self._editIcon = SHARED.theme.getIcon("edit")
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self._viewIcon = SHARED.theme.getIcon("view")
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return
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def count(self) -> int:
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"""Return the number of items in the list."""
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return self.topLevelItemCount()
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def addUpdateEntry(self, tag: str, name: str, iItem: IndexItem, hItem: IndexHeading) -> None:
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"""Add a new entry, or update an existing one."""
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nwItem = iItem.item
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docIcon = SHARED.theme.getItemIcon(
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nwItem.itemType, nwItem.itemClass,
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nwItem.itemLayout, nwItem.mainHeading
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)
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iLevel = nwHeaders.H_LEVEL.get(hItem.level, 0) if nwItem.isDocumentLayout() else 5
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hDec = SHARED.theme.getHeaderDecorationNarrow(iLevel)
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# This can not use a get call to the dictionary as that creates
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# some weird issue with Qt, so we need to do this with an if
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if tag in self._tagMap:
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trItem = self._tagMap[tag]
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else:
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trItem = QTreeWidgetItem()
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trItem.setText(self.C_NAME, name)
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trItem.setIcon(self.C_NAME, self._classIcon)
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trItem.setIcon(self.C_EDIT, self._editIcon)
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trItem.setIcon(self.C_VIEW, self._viewIcon)
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trItem.setIcon(self.C_DOC, docIcon)
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trItem.setText(self.C_DOC, nwItem.itemName)
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trItem.setText(self.C_TITLE, hItem.title)
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trItem.setData(self.C_TITLE, Qt.ItemDataRole.DecorationRole, hDec)
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trItem.setData(self.C_DATA, self.D_TAG, tag)
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trItem.setData(self.C_DATA, self.D_HANDLE, iItem.handle)
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if tag not in self._tagMap:
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self.addTopLevelItem(trItem)
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self._tagMap[tag] = trItem
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return
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def removeEntry(self, tag: str) -> bool:
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"""Remove a tag from the list."""
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if tag in self._tagMap:
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self.takeTopLevelItem(self.indexOfTopLevelItem(self._tagMap[tag]))
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self._tagMap.pop(tag, None)
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return True
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return False
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# END Class _ViewPanelRefs
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