move the log file viewer to its own plugin

We plan to have multiple different types of tabs.

tabs.py

@@ -6,16 +6,14 @@ from PyQt6.QtCore import *
 from PyQt6.QtGui import *
 
 from bigtext import BigText
-from conversion import humanbytes
 from fulltabwidget import FullTabWidget
 from logFileModel import LogFileModel
+from raven.plugins.ravenlog.Tab import Tab
 from ravenui import RavenUI
 from settings import Settings
 
 
 class Tabs(QWidget):
-    tabs_by_filename = {}
-
     def __init__(self, settings: Settings):
         super(Tabs, self).__init__()
 
@@ -32,46 +30,29 @@ class Tabs(QWidget):
 
         self.layout.addWidget(self.tabs)
 
-    def create_tab(self, file: str):
-        if not os.path.isfile(file):
-            message = QMessageBox(QMessageBox.Icon.Warning, "File not found",
-                                  "'%s' is not a file or cannot be opened" % (file))
-            message.exec()
-            return
+    def add_tab(self, tab: Tab):
+        # if tab already exists then open it
+        for tab_index in range(0, self.tabs.count()):
+            widget: Tab = self.tabs.widget(tab_index)
+            if widget.unique_id == tab.unique_id:
+                self.tabs.setCurrentIndex(tab_index)
+                return
 
-        model = LogFileModel(file, self.settings)
-        full_tab = FullTabWidget(model)
-
-        if model.get_file() in self.tabs_by_filename:
-            for tab_index in range(0, self.tabs.count()):
-                widget: FullTabWidget = self.tabs.widget(tab_index)
-                if widget.get_file() == model.get_file():
-                    self.tabs.setCurrentIndex(tab_index)
-                    break
-        else:
-            tab_index = self.tabs.addTab(full_tab, model.get_tab_name())
-            self.tabs_by_filename[model.get_file()] = full_tab
-            self.tabs.setCurrentIndex(tab_index)
+        tab_index = self.tabs.addTab(tab, tab.title)
+        self.tabs.setCurrentIndex(tab_index)
 
     def _current_tab_changed(self, tab_index: int):
-        full_tab: FullTabWidget = self.tabs.widget(tab_index)
-        if full_tab:
-            # window title
-            file = full_tab.file_view.get_file()
-            file_name = os.path.basename(file)
-            RavenUI.update_window_title(file_name)
-
-            # status bar text
-            status_text = "%s - %s" % (humanbytes(full_tab.file_view.model.byte_count()), file)
-            RavenUI.update_status_bar(status_text)
+        tab: Tab = self.tabs.widget(tab_index)
+        if tab:
+            RavenUI.update_window_title(tab.title)
+            RavenUI.update_status_bar(tab.get_status_text())
         else:
             RavenUI.update_window_title("")
             RavenUI.update_status_bar("")
 
     def _close_tab(self, tab_index: int):
-        full_tab: FullTabWidget = self.tabs.widget(tab_index)
+        full_tab: Tab = self.tabs.widget(tab_index)
         full_tab.destruct()
-        del self.tabs_by_filename[full_tab.file_view.get_file()]
         self.tabs.removeTab(tab_index)
 
     def destruct(self):
@@ -85,5 +66,5 @@ class Tabs(QWidget):
         if self.tabs.currentIndex() < 0:
             return None
 
-        full_tab: FullTabWidget = self.tabs.widget(self.tabs.currentIndex())
-        return full_tab.get_file()
+        tab: Tab = self.tabs.widget(self.tabs.currentIndex())
+        return tab.get_file()