167 lines
5 KiB
Python
167 lines
5 KiB
Python
from Tkinter import *
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import SearchEngine
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from SearchDialogBase import SearchDialogBase
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def replace(text):
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root = text._root()
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engine = SearchEngine.get(root)
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if not hasattr(engine, "_replacedialog"):
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engine._replacedialog = ReplaceDialog(root, engine)
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dialog = engine._replacedialog
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dialog.open(text)
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class ReplaceDialog(SearchDialogBase):
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title = "Replace Dialog"
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icon = "Replace"
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def __init__(self, root, engine):
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SearchDialogBase.__init__(self, root, engine)
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self.replvar = StringVar(root)
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def open(self, text):
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SearchDialogBase.open(self, text)
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try:
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first = text.index("sel.first")
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except TclError:
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first = None
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try:
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last = text.index("sel.last")
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except TclError:
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last = None
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first = first or text.index("insert")
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last = last or first
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self.show_hit(first, last)
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self.ok = 1
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def create_entries(self):
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SearchDialogBase.create_entries(self)
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self.replent = self.make_entry("Replace with:", self.replvar)
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def create_command_buttons(self):
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SearchDialogBase.create_command_buttons(self)
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self.make_button("Find", self.find_it)
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self.make_button("Replace", self.replace_it)
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self.make_button("Replace+Find", self.default_command, 1)
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self.make_button("Replace All", self.replace_all)
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def find_it(self, event=None):
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self.do_find(0)
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def replace_it(self, event=None):
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if self.do_find(self.ok):
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self.do_replace()
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def default_command(self, event=None):
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if self.do_find(self.ok):
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self.do_replace()
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self.do_find(0)
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def replace_all(self, event=None):
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prog = self.engine.getprog()
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if not prog:
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return
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repl = self.replvar.get()
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text = self.text
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res = self.engine.search_text(text, prog)
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if not res:
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text.bell()
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return
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text.tag_remove("sel", "1.0", "end")
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text.tag_remove("hit", "1.0", "end")
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line = res[0]
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col = res[1].start()
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if self.engine.iswrap():
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line = 1
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col = 0
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ok = 1
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first = last = None
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# XXX ought to replace circular instead of top-to-bottom when wrapping
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text.undo_block_start()
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while 1:
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res = self.engine.search_forward(text, prog, line, col, 0, ok)
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if not res:
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break
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line, m = res
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chars = text.get("%d.0" % line, "%d.0" % (line+1))
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orig = m.group()
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new = m.expand(repl)
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i, j = m.span()
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first = "%d.%d" % (line, i)
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last = "%d.%d" % (line, j)
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if new == orig:
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text.mark_set("insert", last)
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else:
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text.mark_set("insert", first)
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if first != last:
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text.delete(first, last)
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if new:
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text.insert(first, new)
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col = i + len(new)
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ok = 0
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text.undo_block_stop()
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if first and last:
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self.show_hit(first, last)
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self.close()
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def do_find(self, ok=0):
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if not self.engine.getprog():
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return False
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text = self.text
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res = self.engine.search_text(text, None, ok)
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if not res:
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text.bell()
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return False
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line, m = res
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i, j = m.span()
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first = "%d.%d" % (line, i)
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last = "%d.%d" % (line, j)
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self.show_hit(first, last)
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self.ok = 1
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return True
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def do_replace(self):
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prog = self.engine.getprog()
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if not prog:
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return False
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text = self.text
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try:
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first = pos = text.index("sel.first")
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last = text.index("sel.last")
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except TclError:
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pos = None
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if not pos:
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first = last = pos = text.index("insert")
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line, col = SearchEngine.get_line_col(pos)
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chars = text.get("%d.0" % line, "%d.0" % (line+1))
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m = prog.match(chars, col)
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if not prog:
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return False
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new = m.expand(self.replvar.get())
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text.mark_set("insert", first)
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text.undo_block_start()
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if m.group():
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text.delete(first, last)
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if new:
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text.insert(first, new)
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text.undo_block_stop()
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self.show_hit(first, text.index("insert"))
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self.ok = 0
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return True
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def show_hit(self, first, last):
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text = self.text
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text.mark_set("insert", first)
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text.tag_remove("sel", "1.0", "end")
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text.tag_add("sel", first, last)
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text.tag_remove("hit", "1.0", "end")
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if first == last:
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text.tag_add("hit", first)
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else:
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text.tag_add("hit", first, last)
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text.see("insert")
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text.update_idletasks()
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def close(self, event=None):
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SearchDialogBase.close(self, event)
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self.text.tag_remove("hit", "1.0", "end")
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