|
1 # -*- coding: utf-8 -*- |
|
2 |
|
3 # Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> |
|
4 # |
|
5 |
|
6 """ |
|
7 Module implementing a dialog to show the stashes. |
|
8 """ |
|
9 |
|
10 import os |
|
11 |
|
12 from PyQt5.QtCore import pyqtSlot, Qt, QPoint, QProcess, QTimer |
|
13 from PyQt5.QtWidgets import ( |
|
14 QWidget, QDialogButtonBox, QTreeWidgetItem, QAbstractButton, QMenu, |
|
15 QHeaderView, QApplication, QLineEdit |
|
16 ) |
|
17 |
|
18 from E5Gui import E5MessageBox |
|
19 from E5Gui.E5OverrideCursor import E5OverrideCursorProcess |
|
20 |
|
21 from .Ui_GitStashBrowserDialog import Ui_GitStashBrowserDialog |
|
22 |
|
23 import Preferences |
|
24 from Globals import strToQByteArray |
|
25 |
|
26 |
|
27 class GitStashBrowserDialog(QWidget, Ui_GitStashBrowserDialog): |
|
28 """ |
|
29 Class implementing a dialog to show the stashes. |
|
30 """ |
|
31 NameColumn = 0 |
|
32 DateColumn = 1 |
|
33 MessageColumn = 2 |
|
34 |
|
35 Separator = "@@||@@" |
|
36 |
|
37 TotalStatisticsRole = Qt.ItemDataRole.UserRole |
|
38 FileStatisticsRole = Qt.ItemDataRole.UserRole + 1 |
|
39 |
|
40 def __init__(self, vcs, parent=None): |
|
41 """ |
|
42 Constructor |
|
43 |
|
44 @param vcs reference to the vcs object |
|
45 @param parent reference to the parent widget (QWidget) |
|
46 """ |
|
47 super().__init__(parent) |
|
48 self.setupUi(self) |
|
49 |
|
50 self.buttonBox.button( |
|
51 QDialogButtonBox.StandardButton.Close).setEnabled(False) |
|
52 self.buttonBox.button( |
|
53 QDialogButtonBox.StandardButton.Cancel).setDefault(True) |
|
54 |
|
55 self.__position = QPoint() |
|
56 |
|
57 self.__fileStatisticsRole = Qt.ItemDataRole.UserRole |
|
58 self.__totalStatisticsRole = Qt.ItemDataRole.UserRole + 1 |
|
59 |
|
60 self.stashList.header().setSortIndicator( |
|
61 0, Qt.SortOrder.AscendingOrder) |
|
62 |
|
63 self.refreshButton = self.buttonBox.addButton( |
|
64 self.tr("&Refresh"), QDialogButtonBox.ButtonRole.ActionRole) |
|
65 self.refreshButton.setToolTip( |
|
66 self.tr("Press to refresh the list of stashes")) |
|
67 self.refreshButton.setEnabled(False) |
|
68 |
|
69 self.vcs = vcs |
|
70 self.__resetUI() |
|
71 |
|
72 self.__ioEncoding = Preferences.getSystem("IOEncoding") |
|
73 |
|
74 self.__process = E5OverrideCursorProcess() |
|
75 self.__process.finished.connect(self.__procFinished) |
|
76 self.__process.readyReadStandardOutput.connect(self.__readStdout) |
|
77 self.__process.readyReadStandardError.connect(self.__readStderr) |
|
78 |
|
79 self.__contextMenu = QMenu() |
|
80 self.__differencesAct = self.__contextMenu.addAction( |
|
81 self.tr("Show"), self.__showPatch) |
|
82 self.__contextMenu.addSeparator() |
|
83 self.__applyAct = self.__contextMenu.addAction( |
|
84 self.tr("Restore && Keep"), self.__apply) |
|
85 self.__popAct = self.__contextMenu.addAction( |
|
86 self.tr("Restore && Delete"), self.__pop) |
|
87 self.__contextMenu.addSeparator() |
|
88 self.__branchAct = self.__contextMenu.addAction( |
|
89 self.tr("Create Branch"), self.__branch) |
|
90 self.__contextMenu.addSeparator() |
|
91 self.__dropAct = self.__contextMenu.addAction( |
|
92 self.tr("Delete"), self.__drop) |
|
93 self.__clearAct = self.__contextMenu.addAction( |
|
94 self.tr("Delete All"), self.__clear) |
|
95 |
|
96 def closeEvent(self, e): |
|
97 """ |
|
98 Protected slot implementing a close event handler. |
|
99 |
|
100 @param e close event (QCloseEvent) |
|
101 """ |
|
102 if ( |
|
103 self.__process is not None and |
|
104 self.__process.state() != QProcess.ProcessState.NotRunning |
|
105 ): |
|
106 self.__process.terminate() |
|
107 QTimer.singleShot(2000, self.__process.kill) |
|
108 self.__process.waitForFinished(3000) |
|
109 |
|
110 self.__position = self.pos() |
|
111 |
|
112 e.accept() |
|
113 |
|
114 def show(self): |
|
115 """ |
|
116 Public slot to show the dialog. |
|
117 """ |
|
118 if not self.__position.isNull(): |
|
119 self.move(self.__position) |
|
120 self.__resetUI() |
|
121 |
|
122 super().show() |
|
123 |
|
124 def __resetUI(self): |
|
125 """ |
|
126 Private method to reset the user interface. |
|
127 """ |
|
128 self.stashList.clear() |
|
129 |
|
130 def __resizeColumnsStashes(self): |
|
131 """ |
|
132 Private method to resize the shelve list columns. |
|
133 """ |
|
134 self.stashList.header().resizeSections( |
|
135 QHeaderView.ResizeMode.ResizeToContents) |
|
136 self.stashList.header().setStretchLastSection(True) |
|
137 |
|
138 def __generateStashEntry(self, name, date, message): |
|
139 """ |
|
140 Private method to generate the stash items. |
|
141 |
|
142 @param name name of the stash (string) |
|
143 @param date date the stash was created (string) |
|
144 @param message stash message (string) |
|
145 """ |
|
146 QTreeWidgetItem(self.stashList, [name, date, message]) |
|
147 |
|
148 def __getStashEntries(self): |
|
149 """ |
|
150 Private method to retrieve the list of stashes. |
|
151 """ |
|
152 self.buttonBox.button( |
|
153 QDialogButtonBox.StandardButton.Close).setEnabled(False) |
|
154 self.buttonBox.button( |
|
155 QDialogButtonBox.StandardButton.Cancel).setEnabled(True) |
|
156 self.buttonBox.button( |
|
157 QDialogButtonBox.StandardButton.Cancel).setDefault(True) |
|
158 |
|
159 self.inputGroup.setEnabled(True) |
|
160 self.inputGroup.show() |
|
161 self.refreshButton.setEnabled(False) |
|
162 |
|
163 self.buf = [] |
|
164 self.errors.clear() |
|
165 self.intercept = False |
|
166 |
|
167 args = self.vcs.initCommand("stash") |
|
168 args.append("list") |
|
169 args.append("--format=format:%gd{0}%ai{0}%gs%n".format(self.Separator)) |
|
170 |
|
171 self.__process.kill() |
|
172 |
|
173 self.__process.setWorkingDirectory(self.repodir) |
|
174 |
|
175 self.inputGroup.setEnabled(True) |
|
176 self.inputGroup.show() |
|
177 |
|
178 self.__process.start('git', args) |
|
179 procStarted = self.__process.waitForStarted(5000) |
|
180 if not procStarted: |
|
181 self.inputGroup.setEnabled(False) |
|
182 self.inputGroup.hide() |
|
183 E5MessageBox.critical( |
|
184 self, |
|
185 self.tr('Process Generation Error'), |
|
186 self.tr( |
|
187 'The process {0} could not be started. ' |
|
188 'Ensure, that it is in the search path.' |
|
189 ).format('git')) |
|
190 |
|
191 def start(self, projectDir): |
|
192 """ |
|
193 Public slot to start the git stash command. |
|
194 |
|
195 @param projectDir name of the project directory (string) |
|
196 """ |
|
197 self.errorGroup.hide() |
|
198 QApplication.processEvents() |
|
199 |
|
200 self.__projectDir = projectDir |
|
201 |
|
202 # find the root of the repo |
|
203 self.repodir = self.__projectDir |
|
204 while not os.path.isdir(os.path.join(self.repodir, self.vcs.adminDir)): |
|
205 self.repodir = os.path.dirname(self.repodir) |
|
206 if os.path.splitdrive(self.repodir)[1] == os.sep: |
|
207 return |
|
208 |
|
209 self.activateWindow() |
|
210 self.raise_() |
|
211 |
|
212 self.stashList.clear() |
|
213 self.__started = True |
|
214 self.__getStashEntries() |
|
215 |
|
216 def __procFinished(self, exitCode, exitStatus): |
|
217 """ |
|
218 Private slot connected to the finished signal. |
|
219 |
|
220 @param exitCode exit code of the process (integer) |
|
221 @param exitStatus exit status of the process (QProcess.ExitStatus) |
|
222 """ |
|
223 self.__processBuffer() |
|
224 self.__finish() |
|
225 |
|
226 def __finish(self): |
|
227 """ |
|
228 Private slot called when the process finished or the user pressed |
|
229 the button. |
|
230 """ |
|
231 if ( |
|
232 self.__process is not None and |
|
233 self.__process.state() != QProcess.ProcessState.NotRunning |
|
234 ): |
|
235 self.__process.terminate() |
|
236 QTimer.singleShot(2000, self.__process.kill) |
|
237 self.__process.waitForFinished(3000) |
|
238 |
|
239 self.buttonBox.button( |
|
240 QDialogButtonBox.StandardButton.Close).setEnabled(True) |
|
241 self.buttonBox.button( |
|
242 QDialogButtonBox.StandardButton.Cancel).setEnabled(False) |
|
243 self.buttonBox.button( |
|
244 QDialogButtonBox.StandardButton.Close).setDefault(True) |
|
245 |
|
246 self.inputGroup.setEnabled(False) |
|
247 self.inputGroup.hide() |
|
248 self.refreshButton.setEnabled(True) |
|
249 |
|
250 def __processBuffer(self): |
|
251 """ |
|
252 Private method to process the buffered output of the git stash command. |
|
253 """ |
|
254 for line in self.buf: |
|
255 name, date, message = line.split(self.Separator) |
|
256 date = date.strip().rsplit(":", 1)[0] |
|
257 self.__generateStashEntry(name, date, message.strip()) |
|
258 |
|
259 self.__resizeColumnsStashes() |
|
260 |
|
261 if self.__started: |
|
262 self.stashList.setCurrentItem(self.stashList.topLevelItem(0)) |
|
263 self.__started = False |
|
264 |
|
265 def __readStdout(self): |
|
266 """ |
|
267 Private slot to handle the readyReadStandardOutput signal. |
|
268 |
|
269 It reads the output of the process and inserts it into a buffer. |
|
270 """ |
|
271 self.__process.setReadChannel(QProcess.ProcessChannel.StandardOutput) |
|
272 |
|
273 while self.__process.canReadLine(): |
|
274 line = str(self.__process.readLine(), self.__ioEncoding, |
|
275 'replace').strip() |
|
276 if line: |
|
277 self.buf.append(line) |
|
278 |
|
279 def __readStderr(self): |
|
280 """ |
|
281 Private slot to handle the readyReadStandardError signal. |
|
282 |
|
283 It reads the error output of the process and inserts it into the |
|
284 error pane. |
|
285 """ |
|
286 if self.__process is not None: |
|
287 s = str(self.__process.readAllStandardError(), |
|
288 self.__ioEncoding, 'replace') |
|
289 self.errorGroup.show() |
|
290 self.errors.insertPlainText(s) |
|
291 self.errors.ensureCursorVisible() |
|
292 |
|
293 @pyqtSlot(QAbstractButton) |
|
294 def on_buttonBox_clicked(self, button): |
|
295 """ |
|
296 Private slot called by a button of the button box clicked. |
|
297 |
|
298 @param button button that was clicked (QAbstractButton) |
|
299 """ |
|
300 if button == self.buttonBox.button( |
|
301 QDialogButtonBox.StandardButton.Close |
|
302 ): |
|
303 self.close() |
|
304 elif button == self.buttonBox.button( |
|
305 QDialogButtonBox.StandardButton.Cancel |
|
306 ): |
|
307 self.cancelled = True |
|
308 self.__finish() |
|
309 elif button == self.refreshButton: |
|
310 self.on_refreshButton_clicked() |
|
311 |
|
312 @pyqtSlot(QTreeWidgetItem, QTreeWidgetItem) |
|
313 def on_stashList_currentItemChanged(self, current, previous): |
|
314 """ |
|
315 Private slot called, when the current item of the stash list changes. |
|
316 |
|
317 @param current reference to the new current item (QTreeWidgetItem) |
|
318 @param previous reference to the old current item (QTreeWidgetItem) |
|
319 """ |
|
320 self.statisticsList.clear() |
|
321 self.filesLabel.setText("") |
|
322 self.insertionsLabel.setText("") |
|
323 self.deletionsLabel.setText("") |
|
324 |
|
325 if current: |
|
326 if current.data(0, self.TotalStatisticsRole) is None: |
|
327 args = self.vcs.initCommand("stash") |
|
328 args.append("show") |
|
329 args.append('--numstat') |
|
330 args.append(current.text(self.NameColumn)) |
|
331 |
|
332 output = "" |
|
333 process = QProcess() |
|
334 process.setWorkingDirectory(self.repodir) |
|
335 process.start('git', args) |
|
336 procStarted = process.waitForStarted(5000) |
|
337 if procStarted: |
|
338 finished = process.waitForFinished(30000) |
|
339 if finished and process.exitCode() == 0: |
|
340 output = str(process.readAllStandardOutput(), |
|
341 Preferences.getSystem("IOEncoding"), |
|
342 'replace') |
|
343 |
|
344 if output: |
|
345 totals = {"files": 0, "additions": 0, "deletions": 0} |
|
346 fileData = [] |
|
347 for line in output.splitlines(): |
|
348 additions, deletions, name = ( |
|
349 line.strip().split(None, 2) |
|
350 ) |
|
351 totals["files"] += 1 |
|
352 if additions != "-": |
|
353 totals["additions"] += int(additions) |
|
354 if deletions != "-": |
|
355 totals["deletions"] += int(deletions) |
|
356 fileData.append({ |
|
357 "file": name, |
|
358 "total": ("-" if additions == "-" else |
|
359 str(int(additions) + int(deletions))), |
|
360 "added": additions, |
|
361 "deleted": deletions |
|
362 }) |
|
363 current.setData(0, self.TotalStatisticsRole, totals) |
|
364 current.setData(0, self.FileStatisticsRole, fileData) |
|
365 else: |
|
366 return |
|
367 |
|
368 for dataDict in current.data(0, self.FileStatisticsRole): |
|
369 QTreeWidgetItem(self.statisticsList, [ |
|
370 dataDict["file"], dataDict["total"], |
|
371 dataDict["added"], dataDict["deleted"]]) |
|
372 self.statisticsList.header().resizeSections( |
|
373 QHeaderView.ResizeMode.ResizeToContents) |
|
374 self.statisticsList.header().setStretchLastSection(True) |
|
375 |
|
376 totals = current.data(0, self.TotalStatisticsRole) |
|
377 self.filesLabel.setText( |
|
378 self.tr("%n file(s) changed", None, totals["files"])) |
|
379 self.insertionsLabel.setText( |
|
380 self.tr("%n line(s) inserted", None, int(totals["additions"]))) |
|
381 self.deletionsLabel.setText( |
|
382 self.tr("%n line(s) deleted", None, int(totals["deletions"]))) |
|
383 |
|
384 @pyqtSlot(QPoint) |
|
385 def on_stashList_customContextMenuRequested(self, pos): |
|
386 """ |
|
387 Private slot to show the context menu of the stash list. |
|
388 |
|
389 @param pos position of the mouse pointer (QPoint) |
|
390 """ |
|
391 enable = len(self.stashList.selectedItems()) == 1 |
|
392 self.__differencesAct.setEnabled(enable) |
|
393 self.__applyAct.setEnabled(enable) |
|
394 self.__popAct.setEnabled(enable) |
|
395 self.__branchAct.setEnabled(enable) |
|
396 self.__dropAct.setEnabled(enable) |
|
397 self.__clearAct.setEnabled(self.stashList.topLevelItemCount() > 0) |
|
398 |
|
399 self.__contextMenu.popup(self.mapToGlobal(pos)) |
|
400 |
|
401 @pyqtSlot() |
|
402 def on_refreshButton_clicked(self): |
|
403 """ |
|
404 Private slot to refresh the list of shelves. |
|
405 """ |
|
406 self.start(self.__projectDir) |
|
407 |
|
408 @pyqtSlot() |
|
409 def on_sendButton_clicked(self): |
|
410 """ |
|
411 Private slot to send the input to the git process. |
|
412 """ |
|
413 inputTxt = self.input.text() |
|
414 inputTxt += os.linesep |
|
415 |
|
416 if self.passwordCheckBox.isChecked(): |
|
417 self.errors.insertPlainText(os.linesep) |
|
418 self.errors.ensureCursorVisible() |
|
419 else: |
|
420 self.errors.insertPlainText(inputTxt) |
|
421 self.errors.ensureCursorVisible() |
|
422 self.errorGroup.show() |
|
423 |
|
424 self.__process.write(strToQByteArray(inputTxt)) |
|
425 |
|
426 self.passwordCheckBox.setChecked(False) |
|
427 self.input.clear() |
|
428 |
|
429 @pyqtSlot() |
|
430 def on_input_returnPressed(self): |
|
431 """ |
|
432 Private slot to handle the press of the return key in the input field. |
|
433 """ |
|
434 self.intercept = True |
|
435 self.on_sendButton_clicked() |
|
436 |
|
437 @pyqtSlot(bool) |
|
438 def on_passwordCheckBox_toggled(self, checked): |
|
439 """ |
|
440 Private slot to handle the password checkbox toggled. |
|
441 |
|
442 @param checked flag indicating the status of the check box (boolean) |
|
443 """ |
|
444 if checked: |
|
445 self.input.setEchoMode(QLineEdit.EchoMode.Password) |
|
446 else: |
|
447 self.input.setEchoMode(QLineEdit.EchoMode.Normal) |
|
448 |
|
449 def keyPressEvent(self, evt): |
|
450 """ |
|
451 Protected slot to handle a key press event. |
|
452 |
|
453 @param evt the key press event (QKeyEvent) |
|
454 """ |
|
455 if self.intercept: |
|
456 self.intercept = False |
|
457 evt.accept() |
|
458 return |
|
459 super().keyPressEvent(evt) |
|
460 |
|
461 def __showPatch(self): |
|
462 """ |
|
463 Private slot to show the contents of the selected stash. |
|
464 """ |
|
465 stashName = self.stashList.selectedItems()[0].text(self.NameColumn) |
|
466 self.vcs.gitStashShowPatch(self.__projectDir, stashName) |
|
467 |
|
468 def __apply(self): |
|
469 """ |
|
470 Private slot to apply the selected stash but keep it. |
|
471 """ |
|
472 stashName = self.stashList.selectedItems()[0].text(self.NameColumn) |
|
473 self.vcs.gitStashApply(self.__projectDir, stashName) |
|
474 |
|
475 def __pop(self): |
|
476 """ |
|
477 Private slot to apply the selected stash and delete it. |
|
478 """ |
|
479 stashName = self.stashList.selectedItems()[0].text(self.NameColumn) |
|
480 self.vcs.gitStashPop(self.__projectDir, stashName) |
|
481 self.on_refreshButton_clicked() |
|
482 |
|
483 def __branch(self): |
|
484 """ |
|
485 Private slot to create a branch from the selected stash. |
|
486 """ |
|
487 stashName = self.stashList.selectedItems()[0].text(self.NameColumn) |
|
488 self.vcs.gitStashBranch(self.__projectDir, stashName) |
|
489 self.on_refreshButton_clicked() |
|
490 |
|
491 def __drop(self): |
|
492 """ |
|
493 Private slot to delete the selected stash. |
|
494 """ |
|
495 stashName = self.stashList.selectedItems()[0].text(self.NameColumn) |
|
496 res = self.vcs.gitStashDrop(self.__projectDir, stashName) |
|
497 if res: |
|
498 self.on_refreshButton_clicked() |
|
499 |
|
500 def __clear(self): |
|
501 """ |
|
502 Private slot to delete all stashes. |
|
503 """ |
|
504 res = self.vcs.gitStashClear(self.__projectDir) |
|
505 if res: |
|
506 self.on_refreshButton_clicked() |