50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import urllib.parse
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from datetime import datetime
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from typing import Dict, Optional
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from PyQt5.QtCore import QUrl
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from PyQt5.QtWebEngineWidgets import QWebEngineView
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from PyQt5.QtWidgets import QTabWidget
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from config import Config
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class InfoTabs(QTabWidget):
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"""
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Class to manage info tabs
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"""
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def __init__(self, parent=None) -> None:
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super().__init__(parent)
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# Dictionary to record when tabs were last updated (so we can
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# re-use the oldest one later)
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self.last_update: Dict[QWebEngineView, datetime] = {}
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def open_tab(self, title: str) -> None:
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"""
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Open passed URL. Create new tab if we're below the maximum
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number otherwise reuse oldest content tab.
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"""
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short_title = title[:Config.INFO_TAB_TITLE_LENGTH]
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if self.count() < Config.MAX_INFO_TABS:
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# Create a new tab
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widget = QWebEngineView()
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widget.setZoomFactor(Config.WEB_ZOOM_FACTOR)
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tab_index = self.addTab(widget, short_title)
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else:
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# Reuse oldest widget
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widget = min(self.last_update, key=self.last_update.get)
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tab_index = self.indexOf(widget)
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self.setTabText(tab_index, short_title)
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txt = urllib.parse.quote_plus(title)
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url = Config.INFO_TAB_URL % txt
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widget.setUrl(QUrl(url))
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self.last_update[widget] = datetime.now()
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# Show newly updated tab
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self.setCurrentIndex(tab_index)
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