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find_replace_dialog.py
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find_replace_dialog.py
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import wx
import re
from dialogs import dialogs
from dialog_util import bind_escape_key
from util import get_combo_history
def _get_selected_or_target_range(editor, target=False):
if target:
return editor.GetTargetStart(), editor.GetTargetEnd()
else:
return editor.GetSelection()
def _get_selected_or_target_text(editor, target=False):
return editor.GetTextRange(*_get_selected_or_target_range(editor, target))
class FindReplaceDetails(object):
def __init__(self, find="", replace="", case=False, reverse=False, regexp=False,
find_history=(), replace_history=()):
self.case = case
self.reverse = reverse
self.regexp = regexp
self.__find = None
self.find = find
self.replace = replace
self.find_history = find_history
self.replace_history = replace_history
@property
def find(self):
return self.__find
@find.setter
def find(self, ptn):
self.rx_find = re.compile(
ptn.encode("utf-8") if self.regexp else re.escape(ptn.encode("utf-8")),
0 if self.case else re.IGNORECASE)
self.__find = ptn
def _IterFindLines(self, editor, wrap=True):
init_pos = editor.GetSelection()[1]
init_line = editor.LineFromPosition(init_pos)
last_line = editor.LineFromPosition(editor.GetTextLength())
line_start = editor.PositionFromLine(init_line)
line_end = editor.GetLineEndPosition(init_line)
yield init_pos, editor.GetTextRangeRaw(init_pos, line_end)
for line in xrange(init_line + 1, last_line + 1):
yield editor.PositionFromLine(line), editor.GetLineRaw(line)
if wrap:
for line in xrange(0, init_line):
yield editor.PositionFromLine(line), editor.GetLineRaw(line)
yield line_start, editor.GetTextRangeRaw(line_start, init_pos)
def _IterFindLinesReversed(self, editor, wrap=True):
init_pos = editor.GetSelection()[0]
init_line = editor.LineFromPosition(init_pos)
last_line = editor.LineFromPosition(editor.GetTextLength())
line_start = editor.PositionFromLine(init_line)
line_end = editor.GetLineEndPosition(init_line)
yield line_start, editor.GetTextRangeRaw(line_start, init_pos)
for line in xrange(init_line - 1, -1, -1):
yield editor.PositionFromLine(line), editor.GetLineRaw(line)
if wrap:
for line in xrange(last_line, init_line, -1):
yield editor.PositionFromLine(line), editor.GetLineRaw(line)
yield init_pos, editor.GetTextRangeRaw(init_pos, line_end)
def _Replace(self, editor, target=False):
text = _get_selected_or_target_text(editor, target)
if text:
if self.regexp:
repl = self.rx_find.sub(self.replace, text, 1)
else:
repl = self.replace
if target:
editor.ReplaceTarget(repl)
else:
editor.ReplaceSelection(repl)
return repl
return ""
def Find(self, editor, wrap=True, reverse=False):
reverse = reverse ^ self.reverse
iterator = self._IterFindLines if not reverse else self._IterFindLinesReversed
for pos, line in iterator(editor, wrap):
m = self.rx_find.search(line)
if m and reverse:
while True:
start = m.end()
m2 = self.rx_find.search(line, start)
if not m2:
break
m = m2
if m and m.start() != m.end():
editor.CentreLine(editor.LineFromPosition(pos))
editor.GotoPos(pos + m.end())
editor.GotoPos(pos + m.start())
editor.SetSelection(pos + m.start(), pos + m.end())
return True
return False
def Replace(self, editor):
if self.rx_find.match(editor.GetSelectedText()):
self._Replace(editor)
return self.Find(editor)
def ReplaceAll(self, editor):
count = 0
editor.BeginUndoAction()
try:
editor.SetSelection(0, 0)
for pos, line in self._IterFindLines(editor, wrap=False):
line_num = editor.LineFromPosition(pos)
cur_pos = 0
while True:
m = self.rx_find.search(line, pos=cur_pos)
if not m or m.start() == m.end():
break
editor.SetTargetStart(pos + m.start())
editor.SetTargetEnd(pos + m.end())
repl = self._Replace(editor, target=True)
line = editor.GetLineRaw(line_num)
cur_pos = m.start() + len(repl)
count += 1
return count
finally:
editor.EndUndoAction()
def LoadPerspective(self, p):
try:
self.case = bool(p.get("case_sensitive", False))
self.reverse = bool(p.get("reverse", False))
self.regexp = bool(p.get("is_regex", False))
self.find = unicode(p.get("find", ""))
self.replace = unicode(p.get("replace", ""))
self.find_history = p.get("find_history", [])[:10]
self.replace_history = p.get("replace_history", [])[:10]
except Exception:
pass
def SavePerspective(self):
return {
"case_sensitive": self.case,
"reverse": self.reverse,
"is_regex": self.regexp,
"find": self.find,
"replace": self.replace,
"find_history": self.find_history[:],
"replace_history": self.replace_history[:],
}
class FindReplaceDialog(wx.Dialog):
def __init__(self, editor, filename="", details=None):
title = "Find and Replace"
if filename:
title += " [%s]" % filename
wx.Dialog.__init__(self, editor, title=title, style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER)
self.editor = editor
combo_style = wx.TE_PROCESS_ENTER if wx.Platform == "__WXMAC__" else 0
self.combo_find = wx.ComboBox(self, size=(300, -1), style=combo_style)
self.combo_replace = wx.ComboBox(self, size=(300, -1), style=combo_style)
grid = wx.FlexGridSizer(cols=2, vgap=5, hgap=5)
grid.AddGrowableCol(1, 1)
grid.Add(wx.StaticText(self, label="Find"), 0, wx.ALIGN_CENTRE_VERTICAL)
grid.Add(self.combo_find, 0, wx.EXPAND)
grid.Add(wx.StaticText(self, label="Replace"), 0, wx.ALIGN_CENTRE_VERTICAL)
grid.Add(self.combo_replace, 0, wx.EXPAND)
grid.AddSpacer(0)
self.check_case = wx.CheckBox(self, wx.ID_ANY, "&Case sensitive")
self.check_regexp = wx.CheckBox(self, wx.ID_ANY, "Regular e&xpression")
self.check_reverse = wx.CheckBox(self, wx.ID_ANY, "Re&verse")
chksizer = wx.BoxSizer(wx.VERTICAL)
chksizer.Add(self.check_case, 0, wx.ALL, 2)
chksizer.Add(self.check_regexp, 0, wx.ALL, 2)
chksizer.Add(self.check_reverse, 0, wx.ALL, 2)
grid.Add(chksizer)
spacer = 10 if wx.Platform == "__WXMAC__" else 5
btnsizer = wx.BoxSizer(wx.HORIZONTAL)
btn_goto_start = wx.Button(self, label="&Go to Start")
btnsizer.Add(btn_goto_start)
btnsizer.AddSpacer(spacer)
btnsizer.AddStretchSpacer()
btn_find = wx.Button(self, wx.ID_FIND, "&Find")
btn_find.SetDefault()
btnsizer.Add(btn_find)
btnsizer.AddSpacer(spacer)
btnsizer.Add(wx.Button(self, wx.ID_REPLACE, "&Replace"))
btnsizer.AddSpacer(spacer)
btnsizer.Add(wx.Button(self, wx.ID_REPLACE_ALL, "Replace &All"))
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(grid, 0, wx.EXPAND | wx.ALL, 5)
sizer.Add(btnsizer, 0, wx.EXPAND | wx.ALL, spacer)
self.SetSizer(sizer)
self.Fit()
self.SetMinSize(self.Size)
self.SetMaxSize((-1, self.Size.height))
# Position in bottom-right corner
pos = editor.Parent.ClientToScreen(editor.Position)
self.SetPosition((
pos.x + (editor.Size.width - self.Size.width) - 20,
pos.y + (editor.Size.height - self.Size.height) - 20))
if details is not None:
self.combo_find.SetItems(details.find_history)
self.combo_find.SetValue(details.find)
self.combo_replace.SetItems(details.replace_history)
self.combo_replace.SetValue(details.replace)
self.check_case.SetValue(details.case)
self.check_regexp.SetValue(details.regexp)
self.check_reverse.SetValue(details.reverse)
self.combo_find.SetFocus()
self.combo_find.SetMark(0, len(self.combo_find.GetValue()))
self.combo_find.Bind(wx.EVT_KEY_DOWN, self.OnComboKeyDown)
self.combo_replace.Bind(wx.EVT_KEY_DOWN, self.OnComboKeyDown)
self.Bind(wx.EVT_TEXT_ENTER, self.OnFind)
self.Bind(wx.EVT_BUTTON, self.OnGoToStart, btn_goto_start)
self.Bind(wx.EVT_BUTTON, self.OnFind, id=wx.ID_FIND)
self.Bind(wx.EVT_BUTTON, self.OnReplace, id=wx.ID_REPLACE)
self.Bind(wx.EVT_BUTTON, self.OnReplaceAll, id=wx.ID_REPLACE_ALL)
self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateFind, id=wx.ID_FIND)
self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateFind, id=wx.ID_REPLACE)
self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateFind, id=wx.ID_REPLACE_ALL)
bind_escape_key(self)
def OnGoToStart(self, evt):
self.editor.SetSelection(0, 0)
def OnComboKeyDown(self, evt):
if evt.KeyCode in (wx.WXK_RETURN, wx.WXK_NUMPAD_ENTER):
self.OnFind(None)
else:
evt.Skip()
def OnFind(self, evt):
details = self.GetFindDetails(True)
if details:
try:
if not details.Find(self.editor):
dialogs.info(self, "Pattern not found: '%s'" % details.find, "Find")
except re.error as e:
dialogs.error(self, "Error: %s." % str(e).capitalize())
def OnReplace(self, evt):
details = self.GetFindDetails(True)
if details:
try:
if not details.Replace(self.editor):
dialogs.info(self, "Pattern not found: '%s'" % details.find, "Replace")
except re.error as e:
dialogs.error(self, "Error: %s." % str(e).capitalize())
def OnReplaceAll(self, evt):
details = self.GetFindDetails(True)
if not details:
return
try:
count = details.ReplaceAll(self.editor)
except re.error as e:
dialogs.error(self, "Error: %s." % str(e).capitalize())
else:
if count > 0:
dialogs.info(self,
"Replaced %d instances of '%s'" % (count, details.find),
"Replace All")
else:
dialogs.info(self,
"Pattern not found: '%s'" % details.find,
"Replace All")
def OnUpdateFind(self, evt):
evt.Enable(bool(self.combo_find.GetValue()))
def GetFindDetails(self, show_error=False):
try:
return FindReplaceDetails(
find = self.combo_find.GetValue(),
find_history = get_combo_history(self.combo_find),
replace = self.combo_replace.GetValue(),
replace_history = get_combo_history(self.combo_replace),
case = self.check_case.GetValue(),
reverse = self.check_reverse.GetValue(),
regexp = self.check_regexp.GetValue())
except re.error as e:
if show_error:
dialogs.error(self,
"Invalid regular expression: %s." % str(e).capitalize())