class TextSearchFrame(QDockWidget):
'''
A frame to find text in the Editor.
'''
search_result_signal = Signal(str, bool, str, int)
''' @ivar: A signal emitted after search_threaded was started.
(search text, found or not, file, position in text)
for each result a signal will be emitted.
'''
replace_signal = Signal(str, str, int, str)
''' @ivar: A signal emitted to replace string at given position.
(search text, file, position in text, replaced by text)
'''
def __init__(self, tabwidget, parent=None):
QDockWidget.__init__(self, "Find", parent)
self.setObjectName('SearchFrame')
self.setFeatures(QDockWidget.DockWidgetMovable
| QDockWidget.DockWidgetFloatable)
self._dockwidget = QFrame(self)
self.vbox_layout = QVBoxLayout(self._dockwidget)
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().setSpacing(1)
# frame with two rows for find and replace
find_replace_frame = QFrame(self)
find_replace_vbox_layout = QVBoxLayout(find_replace_frame)
find_replace_vbox_layout.setContentsMargins(0, 0, 0, 0)
find_replace_vbox_layout.setSpacing(1)
find_replace_vbox_layout.addSpacerItem(
QSpacerItem(1, 1, QSizePolicy.Expanding, QSizePolicy.Expanding))
# create frame with find row
find_frame = self._create_find_frame()
find_replace_vbox_layout.addWidget(find_frame)
rplc_frame = self._create_replace_frame()
find_replace_vbox_layout.addWidget(rplc_frame)
# frame for find&replace and search results
self.vbox_layout.addWidget(find_replace_frame)
self.vbox_layout.addWidget(self._create_found_frame())
self.vbox_layout.addStretch(2024)
self.setWidget(self._dockwidget)
# intern search parameters
self._tabwidget = tabwidget
self.current_search_text = ''
self.search_results = []
self.search_results_fileset = set()
self._search_result_index = -1
self._search_recursive = False
self._search_thread = None
def _create_find_frame(self):
find_frame = QFrame(self)
find_hbox_layout = QHBoxLayout(find_frame)
find_hbox_layout.setContentsMargins(0, 0, 0, 0)
find_hbox_layout.setSpacing(1)
self.search_field = EnchancedLineEdit(find_frame)
self.search_field.setPlaceholderText('search text')
self.search_field.textChanged.connect(self.on_search_text_changed)
self.search_field.returnPressed.connect(self.on_search)
find_hbox_layout.addWidget(self.search_field)
self.search_result_label = QLabel(find_frame)
self.search_result_label.setText(' ')
find_hbox_layout.addWidget(self.search_result_label)
self.find_button_back = QPushButton("<")
self.find_button_back.setFixedWidth(44)
self.find_button_back.clicked.connect(self.on_search_back)
find_hbox_layout.addWidget(self.find_button_back)
self.find_button = QPushButton(">")
self.find_button.setDefault(True)
# self.find_button.setFlat(True)
self.find_button.setFixedWidth(44)
self.find_button.clicked.connect(self.on_search)
find_hbox_layout.addWidget(self.find_button)
return find_frame
def _create_replace_frame(self):
# create frame with replace row
self.rplc_frame = rplc_frame = QFrame(self)
rplc_hbox_layout = QHBoxLayout(rplc_frame)
rplc_hbox_layout.setContentsMargins(0, 0, 0, 0)
rplc_hbox_layout.setSpacing(1)
self.replace_field = EnchancedLineEdit(rplc_frame)
self.replace_field.setPlaceholderText('replace text')
self.replace_field.returnPressed.connect(self.on_replace)
rplc_hbox_layout.addWidget(self.replace_field)
self.replace_result_label = QLabel(rplc_frame)
self.replace_result_label.setText(' ')
rplc_hbox_layout.addWidget(self.replace_result_label)
self.replace_button = replace_button = QPushButton("> &Replace >")
replace_button.setFixedWidth(90)
replace_button.clicked.connect(self.on_replace_click)
rplc_hbox_layout.addWidget(replace_button)
rplc_frame.setVisible(False)
return rplc_frame
def _create_found_frame(self):
self.found_files_frame = ff_frame = QGroupBox("recursive search")
ff_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.found_files_vbox_layout = QVBoxLayout(ff_frame)
self.found_files_vbox_layout.setSpacing(0)
self.found_files_vbox_layout.setContentsMargins(0, 0, 0, 0)
self.found_files_list = QListWidget(ff_frame)
self.found_files_list.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.found_files_list.setFrameStyle(QFrame.StyledPanel)
self.found_files_list.itemActivated.connect(self.on_itemActivated)
self.found_files_list.setStyleSheet("QListWidget {"
"background-color:transparent;"
"}"
"QListWidget::item {"
"background-color:transparent;"
"}"
"QListWidget::item:selected {"
"background-color: darkgray;"
"}")
self.found_files_vbox_layout.addWidget(self.found_files_list)
ff_frame.setCheckable(True)
ff_frame.setChecked(False)
ff_frame.setFlat(True)
self.found_files_list.setVisible(False)
return self.found_files_frame
def keyPressEvent(self, event):
'''
Enable the shortcats for search and replace
'''
self.parent().keyPressEvent(event)
def on_search(self):
'''
Initiate the new search or request a next search result.
'''
if self.current_search_text != self.search_field.text(
) or self._search_recursive != self.found_files_frame.isChecked():
# clear current search results
self._reset()
self.current_search_text = self.search_field.text()
if self.current_search_text:
path_text = {}
self._wait_for_result = True
for i in range(self._tabwidget.count()):
path_text[self._tabwidget.widget(
i).filename] = self._tabwidget.widget(
i).document().toPlainText()
self._search_recursive = self.found_files_frame.isChecked()
self._search_thread = TextSearchThread(
self.current_search_text,
self._tabwidget.currentWidget().filename,
path_text=path_text,
recursive=self._search_recursive)
self._search_thread.search_result_signal.connect(
self.on_search_result)
self._search_thread.warning_signal.connect(
self.on_warning_result)
self._search_thread.start()
elif self.search_results:
self._check_position()
if self.search_results:
if self._search_result_index + 1 >= len(self.search_results):
self._search_result_index = -1
self._search_result_index += 1
self.search_result_signal.emit(
*self.search_results[self._search_result_index])
self.replace_button.setEnabled(True)
self._update_label()
def on_search_back(self):
'''
Slot to handle the search back function.
'''
self._check_position(False)
if self.search_results:
self._search_result_index -= 1
if self._search_result_index < 0:
self._search_result_index = len(self.search_results) - 1
self._update_label()
self.search_result_signal.emit(
*self.search_results[self._search_result_index])
self.replace_button.setEnabled(True)
def _check_position(self, forward=True):
try:
# if the position of the textCursor was changed by the user, move the search index
cur_pos = self._tabwidget.currentWidget().textCursor().position()
st, _f, pa, idx = self.search_results[self._search_result_index]
sear_pos = idx + len(st)
if cur_pos != sear_pos:
first_idx = self._get_current_index_for_current_file()
if first_idx != -1:
st, _f, pa, idx = self.search_results[first_idx]
sear_pos = idx + len(st)
while cur_pos > sear_pos and self._tabwidget.currentWidget(
).filename == pa:
first_idx += 1
st, _f, pa, idx = self.search_results[first_idx]
sear_pos = idx + len(st)
self._search_result_index = first_idx
if forward:
self._search_result_index -= 1
else:
self._reset(True)
except:
pass
def _get_current_index_for_current_file(self):
for index in range(len(self.search_results)):
_st, _f, pa, _idx = self.search_results[index]
if self._tabwidget.currentWidget().filename == pa:
return index
return -1
def on_search_result(self, search_text, found, path, index):
'''
Slot to handle the signals for search result. This signals are forwarded used
search_result_signal.
'''
if found and search_text == self.current_search_text:
self.search_results_fileset.add(path)
item = (search_text, found, path, index)
if item not in self.search_results:
self.search_results.append((search_text, found, path, index))
if self._wait_for_result:
self._search_result_index += 1
if index >= self._tabwidget.currentWidget().textCursor(
).position() or self._tabwidget.currentWidget(
).filename != path:
self._wait_for_result = False
self.search_result_signal.emit(
*self.search_results[self._search_result_index])
self.replace_button.setEnabled(True)
if self.search_results:
if len(self.search_results_fileset) > 1:
for item in self.search_results_fileset:
pkg, path = package_name(os.path.dirname(item))
itemstr = '%s [%s]' % (os.path.basename(item), pkg)
if not self.found_files_list.findItems(
itemstr, Qt.MatchExactly):
list_item = QListWidgetItem(itemstr)
list_item.setToolTip(item)
self.found_files_list.addItem(list_item)
self.found_files_frame.setVisible(True)
self.found_files_list.setVisible(
len(self.search_results_fileset) > 0)
self._update_label()
def on_warning_result(self, text):
rospy.logwarn(text)
def on_replace_click(self):
self.on_replace()
self.on_search()
def on_replace(self):
'''
Emits the replace signal, but only if currently selected text is equal to the searched one.
'''
if self.search_results:
try:
search_text, _found, path, index = self.search_results[
self._search_result_index]
cursor = self._tabwidget.currentWidget().textCursor()
if cursor.selectedText() == search_text:
rptxt = self.replace_field.text()
for rindex in range(self._search_result_index + 1,
len(self.search_results)):
st, _f, pa, idx = self.search_results[rindex]
if path == pa:
self.search_results.pop(rindex)
self.search_results.insert(
rindex,
(st, _f, pa, idx + len(rptxt) - len(st)))
else:
break
self._remove_search_result(self._search_result_index)
self.replace_signal.emit(search_text, path, index, rptxt)
else:
self.replace_button.setEnabled(False)
except:
import traceback
print traceback.format_exc()
pass
def on_itemActivated(self, item):
'''
Go to the results for the selected file entry in the list.
'''
item_path = item.toolTip()
new_search_index = -1
tmp_index = -1
search_index = -1
tmp_search_text = ''
for search_text, found, path, index in self.search_results:
new_search_index += 1
if item_path == path:
if tmp_index == -1:
tmp_index = new_search_index
tmp_search_text = search_text
search_index = index
if new_search_index > self._search_result_index:
self.search_result_signal.emit(search_text, found, path,
index)
self._search_result_index = new_search_index
self._update_label()
return
if tmp_index != -1:
self.search_result_signal.emit(tmp_search_text, True, item_path,
search_index)
self._search_result_index = tmp_index
self._update_label()
def on_search_text_changed(self, _text):
'''
Clear search result if the text was changed.
'''
self._reset()
def _update_label(self, clear_label=False):
'''
Updates the status label for search results. The info is created from search result lists.
'''
msg = ' '
if self.search_results:
count_files = len(self.search_results_fileset)
msg = '%d/%d' % (self._search_result_index + 1,
len(self.search_results))
if count_files > 1:
msg = '%s(%d)' % (msg, count_files)
if self._search_thread is not None and self._search_thread.is_alive():
msg = 'searching..%s' % msg
elif not msg.strip() and self.current_search_text:
msg = '0 found'
self.current_search_text = ''
if clear_label:
msg = ' '
self.search_result_label.setText(msg)
self.find_button_back.setEnabled(len(self.search_results))
def file_changed(self, path):
'''
Clears search results if for changed file are some search results are available
:param path: changed file path
:type path: str
'''
if path in self.search_results_fileset:
self._reset()
def set_replace_visible(self, value):
self.rplc_frame.setVisible(value)
self.raise_()
self.activateWindow()
if value:
self.replace_field.setFocus()
self.replace_field.selectAll()
self.setWindowTitle("Find / Replace")
else:
self.setWindowTitle("Find")
self.search_field.setFocus()
def is_replace_visible(self):
return self.rplc_frame.isVisible()
def _reset(self, force_new_search=False):
# clear current search results
if self._search_thread is not None:
self._search_thread.search_result_signal.disconnect()
self._search_thread.stop()
self._search_thread = None
self.current_search_text = ''
self.search_results = []
self.search_results_fileset = set()
self.found_files_list.clear()
self.found_files_list.setVisible(False)
self._update_label(True)
self._search_result_index = -1
self.find_button_back.setEnabled(False)
if force_new_search:
self.on_search()
def enable(self):
self.setVisible(True)
# self.show()
self.raise_()
self.activateWindow()
self.search_field.setFocus()
self.search_field.selectAll()
def _remove_search_result(self, index):
try:
self.search_results.pop(index)
# create new set with files contain the search text
new_path_set = set(path
for _st, _fd, path, _idx in self.search_results)
# remove the file from the list widget
for pp in self.search_results_fileset - new_path_set:
for wi_idx in range(self.found_files_list.count()):
# we have to compare each tooltip of the item
if pp == self.found_files_list.item(wi_idx).toolTip():
self.found_files_list.takeItem(wi_idx)
break
self.search_results_fileset = new_path_set
self.found_files_list.setVisible(
len(self.search_results_fileset) > 0)
except:
import traceback
print traceback.format_exc()
