Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/idlelib/search.py

@@ -0,0 +1,165 @@
+"""Search dialog for Find, Find Again, and Find Selection
+   functionality.
+
+   Inherits from SearchDialogBase for GUI and uses searchengine
+   to prepare search pattern.
+"""
+from tkinter import TclError
+
+from idlelib import searchengine
+from idlelib.searchbase import SearchDialogBase
+
+def _setup(text):
+    """Return the new or existing singleton SearchDialog instance.
+
+    The singleton dialog saves user entries and preferences
+    across instances.
+
+    Args:
+        text: Text widget containing the text to be searched.
+    """
+    root = text._root()
+    engine = searchengine.get(root)
+    if not hasattr(engine, "_searchdialog"):
+        engine._searchdialog = SearchDialog(root, engine)
+    return engine._searchdialog
+
+def find(text):
+    """Open the search dialog.
+
+    Module-level function to access the singleton SearchDialog
+    instance and open the dialog.  If text is selected, it is
+    used as the search phrase; otherwise, the previous entry
+    is used.  No search is done with this command.
+    """
+    pat = text.get("sel.first", "sel.last")
+    return _setup(text).open(text, pat)  # Open is inherited from SDBase.
+
+def find_again(text):
+    """Repeat the search for the last pattern and preferences.
+
+    Module-level function to access the singleton SearchDialog
+    instance to search again using the user entries and preferences
+    from the last dialog.  If there was no prior search, open the
+    search dialog; otherwise, perform the search without showing the
+    dialog.
+    """
+    return _setup(text).find_again(text)
+
+def find_selection(text):
+    """Search for the selected pattern in the text.
+
+    Module-level function to access the singleton SearchDialog
+    instance to search using the selected text.  With a text
+    selection, perform the search without displaying the dialog.
+    Without a selection, use the prior entry as the search phrase
+    and don't display the dialog.  If there has been no prior
+    search, open the search dialog.
+    """
+    return _setup(text).find_selection(text)
+
+
+class SearchDialog(SearchDialogBase):
+    "Dialog for finding a pattern in text."
+
+    def create_widgets(self):
+        "Create the base search dialog and add a button for Find Next."
+        SearchDialogBase.create_widgets(self)
+        # TODO - why is this here and not in a create_command_buttons?
+        self.make_button("Find Next", self.default_command, isdef=True)
+
+    def default_command(self, event=None):
+        "Handle the Find Next button as the default command."
+        if not self.engine.getprog():
+            return
+        self.find_again(self.text)
+
+    def find_again(self, text):
+        """Repeat the last search.
+
+        If no search was previously run, open a new search dialog.  In
+        this case, no search is done.
+
+        If a search was previously run, the search dialog won't be
+        shown and the options from the previous search (including the
+        search pattern) will be used to find the next occurrence
+        of the pattern.  Next is relative based on direction.
+
+        Position the window to display the located occurrence in the
+        text.
+
+        Return True if the search was successful and False otherwise.
+        """
+        if not self.engine.getpat():
+            self.open(text)
+            return False
+        if not self.engine.getprog():
+            return False
+        res = self.engine.search_text(text)
+        if res:
+            line, m = res
+            i, j = m.span()
+            first = "%d.%d" % (line, i)
+            last = "%d.%d" % (line, j)
+            try:
+                selfirst = text.index("sel.first")
+                sellast = text.index("sel.last")
+                if selfirst == first and sellast == last:
+                    self.bell()
+                    return False
+            except TclError:
+                pass
+            text.tag_remove("sel", "1.0", "end")
+            text.tag_add("sel", first, last)
+            text.mark_set("insert", self.engine.isback() and first or last)
+            text.see("insert")
+            return True
+        else:
+            self.bell()
+            return False
+
+    def find_selection(self, text):
+        """Search for selected text with previous dialog preferences.
+
+        Instead of using the same pattern for searching (as Find
+        Again does), this first resets the pattern to the currently
+        selected text.  If the selected text isn't changed, then use
+        the prior search phrase.
+        """
+        pat = text.get("sel.first", "sel.last")
+        if pat:
+            self.engine.setcookedpat(pat)
+        return self.find_again(text)
+
+
+def _search_dialog(parent):  # htest #
+    "Display search test box."
+    from tkinter import Toplevel, Text
+    from tkinter.ttk import Frame, Button
+
+    top = Toplevel(parent)
+    top.title("Test SearchDialog")
+    x, y = map(int, parent.geometry().split('+')[1:])
+    top.geometry("+%d+%d" % (x, y + 175))
+
+    frame = Frame(top)
+    frame.pack()
+    text = Text(frame, inactiveselectbackground='gray')
+    text.pack()
+    text.insert("insert","This is a sample string.\n"*5)
+
+    def show_find():
+        text.tag_add('sel', '1.0', 'end')
+        _setup(text).open(text)
+        text.tag_remove('sel', '1.0', 'end')
+
+    button = Button(frame, text="Search (selection ignored)", command=show_find)
+    button.pack()
+
+
+if __name__ == '__main__':
+    from unittest import main
+    main('idlelib.idle_test.test_search', verbosity=2, exit=False)
+
+    from idlelib.idle_test.htest import run
+    run(_search_dialog)