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1 | # -*- coding: utf-8 -*- |
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2 | |
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3 | # Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 | # |
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5 | |
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6 | """ |
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7 | Module implementing a dialog to define guards for patches. |
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8 | """ |
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9 | |
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10 | import os |
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11 | |
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12 | from PyQt4.QtCore import pyqtSlot, Qt, QProcess, QTimer |
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13 | from PyQt4.QtGui import QDialog, QDialogButtonBox, QAbstractButton, QListWidgetItem |
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14 | |
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15 | from E5Gui import E5MessageBox |
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16 | |
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17 | from .Ui_HgQueuesDefineGuardsDialog import Ui_HgQueuesDefineGuardsDialog |
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18 | |
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19 | import Preferences |
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20 | import UI.PixmapCache |
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21 | |
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22 | |
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23 | class HgQueuesDefineGuardsDialog(QDialog, Ui_HgQueuesDefineGuardsDialog): |
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24 | """ |
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25 | Class implementing a dialog to define guards for patches. |
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26 | """ |
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27 | def __init__(self, vcs, extension, patchesList, parent=None): |
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28 | """ |
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29 | Constructor |
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30 | |
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31 | @param vcs reference to the vcs object |
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32 | @param extension reference to the extension module (Queues) |
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33 | @param patchesList list of patches (list of strings) |
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34 | @param parent reference to the parent widget (QWidget) |
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35 | """ |
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36 | QDialog.__init__(self, parent) |
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37 | self.setupUi(self) |
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38 | |
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39 | self.process = QProcess() |
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40 | self.vcs = vcs |
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41 | self.extension = extension |
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42 | |
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43 | self.__patches = patchesList[:] |
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44 | self.patchSelector.addItems([""] + self.__patches) |
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45 | |
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46 | self.plusButton.setIcon(UI.PixmapCache.getIcon("plus.png")) |
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47 | self.minusButton.setIcon(UI.PixmapCache.getIcon("minus.png")) |
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48 | |
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49 | self.__dirtyList = False |
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50 | self.__currentPatch = "" |
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51 | |
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52 | def closeEvent(self, e): |
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53 | """ |
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54 | Private slot implementing a close event handler. |
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55 | |
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56 | @param e close event (QCloseEvent) |
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57 | """ |
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58 | if self.process is not None and \ |
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59 | self.process.state() != QProcess.NotRunning: |
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60 | self.process.terminate() |
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61 | QTimer.singleShot(2000, self.process.kill) |
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62 | self.process.waitForFinished(3000) |
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63 | |
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64 | if self.__dirtyList: |
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65 | res = E5MessageBox.question(self, |
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66 | self.trUtf8("Unsaved Changes"), |
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67 | self.trUtf8("""The guards list has been changed.""" |
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68 | """ Shall the changes be applied?"""), |
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69 | E5MessageBox.StandardButtons( |
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70 | E5MessageBox.Apply | \ |
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71 | E5MessageBox.Discard), |
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72 | E5MessageBox.Apply) |
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73 | if res == E5MessageBox.Apply: |
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74 | self.__applyGuards() |
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75 | else: |
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76 | self.__dirtyList = False |
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77 | |
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78 | e.accept() |
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79 | |
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80 | def start(self, path): |
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81 | """ |
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82 | Public slot to start the list command. |
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83 | |
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84 | @param path name of directory to be listed (string) |
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85 | """ |
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86 | dname, fname = self.vcs.splitPath(path) |
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87 | |
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88 | # find the root of the repo |
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89 | repodir = dname |
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90 | while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)): |
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91 | repodir = os.path.dirname(repodir) |
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92 | if repodir == os.sep: |
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93 | return |
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94 | |
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95 | self.__repodir = repodir |
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96 | self.on_patchSelector_activated("") |
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97 | |
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98 | @pyqtSlot(str) |
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99 | def on_patchSelector_activated(self, patch): |
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100 | """ |
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101 | Private slot to get the list of guards defined for the given patch name. |
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102 | |
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103 | @param patch selected patch name (empty for current patch) |
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104 | """ |
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105 | if self.__dirtyList: |
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106 | res = E5MessageBox.question(self, |
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107 | self.trUtf8("Unsaved Changes"), |
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108 | self.trUtf8("""The guards list has been changed.""" |
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109 | """ Shall the changes be applied?"""), |
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110 | E5MessageBox.StandardButtons( |
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111 | E5MessageBox.Apply | \ |
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112 | E5MessageBox.Discard), |
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113 | E5MessageBox.Apply) |
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114 | if res == E5MessageBox.Apply: |
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115 | self.__applyGuards() |
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116 | else: |
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117 | self.__dirtyList = False |
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118 | |
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119 | self.guardsList.clear() |
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120 | self.patchNameLabel.setText("") |
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121 | |
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122 | self.guardCombo.clear() |
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123 | guardsList = self.extension.getGuardsList(self.__repodir) |
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124 | self.guardCombo.addItems(guardsList) |
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125 | self.guardCombo.setEditText("") |
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126 | |
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127 | ioEncoding = Preferences.getSystem("IOEncoding") |
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128 | process = QProcess() |
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129 | args = [] |
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130 | args.append("qguard") |
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131 | if patch: |
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132 | args.append(patch) |
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133 | |
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134 | process.setWorkingDirectory(self.__repodir) |
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135 | process.start('hg', args) |
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136 | procStarted = process.waitForStarted() |
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137 | if procStarted: |
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138 | finished = process.waitForFinished(30000) |
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139 | if finished and process.exitCode() == 0: |
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140 | output = \ |
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141 | str(process.readAllStandardOutput(), ioEncoding, 'replace').strip() |
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142 | if output: |
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143 | patchName, guards = output.split(":", 1) |
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144 | self.patchNameLabel.setText(patchName) |
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145 | guardsList = guards.strip().split() |
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146 | for guard in guardsList: |
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147 | if guard.startswith("+"): |
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148 | icon = UI.PixmapCache.getIcon("plus.png") |
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149 | guard = guard[1:] |
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150 | sign = "+" |
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151 | elif guard.startswith("-"): |
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152 | icon = UI.PixmapCache.getIcon("minus.png") |
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153 | guard = guard[1:] |
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154 | sign = "-" |
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155 | else: |
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156 | continue |
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157 | itm = QListWidgetItem(icon, guard, self.guardsList) |
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158 | itm.setData(Qt.UserRole, sign) |
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159 | |
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160 | self.on_guardsList_itemSelectionChanged() |
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161 | |
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162 | @pyqtSlot() |
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163 | def on_guardsList_itemSelectionChanged(self): |
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164 | """ |
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165 | Private slot to handle changes of the selection of guards. |
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166 | """ |
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167 | self.removeButton.setEnabled( |
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168 | len(self.guardsList.selectedItems()) > 0) |
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169 | |
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170 | def __getGuard(self, guard): |
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171 | """ |
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172 | Private method to get a reference to a named guard. |
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173 | |
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174 | @param guard name of the guard (string) |
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175 | @return reference to the guard item (QListWidgetItem) |
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176 | """ |
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177 | items = self.guardsList.findItems(guard, Qt.MatchCaseSensitive) |
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178 | if items: |
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179 | return items[0] |
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180 | else: |
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181 | return None |
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182 | |
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183 | @pyqtSlot(str) |
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184 | def on_guardCombo_editTextChanged(self, txt): |
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185 | """ |
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186 | Private slot to handle changes of the text of the guard combo. |
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187 | |
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188 | @param txt contents of the guard combo line edit (string) |
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189 | """ |
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190 | self.addButton.setEnabled(txt != "") |
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191 | |
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192 | @pyqtSlot() |
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193 | def on_addButton_clicked(self): |
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194 | """ |
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195 | Private slot to add a guard definition to the list or change it. |
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196 | """ |
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197 | guard = self.guardCombo.currentText() |
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198 | if self.plusButton.isChecked(): |
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199 | sign = "+" |
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200 | icon = UI.PixmapCache.getIcon("plus.png") |
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201 | else: |
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202 | sign = "-" |
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203 | icon = UI.PixmapCache.getIcon("minus.png") |
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204 | |
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205 | guardItem = self.__getGuard(guard) |
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206 | if guardItem: |
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207 | # guard already exists, remove it first |
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208 | row = self.guardsList.row(guardItem) |
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209 | itm = self.guardsList.takeItem(row) |
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210 | del itm |
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211 | |
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212 | itm = QListWidgetItem(icon, guard, self.guardsList) |
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213 | itm.setData(Qt.UserRole, sign) |
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214 | self.guardsList.sortItems() |
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215 | |
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216 | self.__dirtyList = True |
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217 | |
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218 | @pyqtSlot() |
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219 | def on_removeButton_clicked(self): |
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220 | """ |
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221 | Private slot to remove guard definitions from the list. |
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222 | """ |
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223 | res = E5MessageBox.yesNo(self, |
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224 | self.trUtf8("Remove Guards"), |
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225 | self.trUtf8("""Do you really want to remove the selected guards?""")) |
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226 | if res: |
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227 | for guardItem in self.guardsList.selectedItems(): |
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228 | row = self.guardsList.row(guardItem) |
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229 | itm = self.guardsList.takeItem(row) |
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230 | del itm |
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231 | |
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232 | self.__dirtyList = True |
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233 | |
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234 | @pyqtSlot(QAbstractButton) |
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235 | def on_buttonBox_clicked(self, button): |
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236 | """ |
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237 | Private slot called by a button of the button box clicked. |
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238 | |
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239 | @param button button that was clicked (QAbstractButton) |
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240 | """ |
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241 | if button == self.buttonBox.button(QDialogButtonBox.Apply): |
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242 | self.__applyGuards() |
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243 | elif button == self.buttonBox.button(QDialogButtonBox.Close): |
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244 | self.close() |
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245 | |
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246 | @pyqtSlot() |
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247 | def __applyGuards(self): |
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248 | """ |
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249 | Private slot to apply the defined guards to the current patch. |
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250 | """ |
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251 | if self.__dirtyList: |
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252 | guardsList = [] |
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253 | for row in range(self.guardsList.count()): |
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254 | itm = self.guardsList.item(row) |
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255 | guard = itm.data(Qt.UserRole) + itm.text() |
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256 | guardsList.append(guard) |
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257 | |
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258 | ioEncoding = Preferences.getSystem("IOEncoding") |
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259 | process = QProcess() |
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260 | args = [] |
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261 | args.append("qguard") |
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262 | args.append(self.patchNameLabel.text()) |
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263 | if guardsList: |
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264 | args.append("--") |
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265 | args.extend(guardsList) |
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266 | else: |
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267 | args.append("--none") |
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268 | |
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269 | process.setWorkingDirectory(self.__repodir) |
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270 | process.start('hg', args) |
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271 | procStarted = process.waitForStarted() |
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272 | if procStarted: |
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273 | finished = process.waitForFinished(30000) |
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274 | if finished: |
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275 | if process.exitCode() == 0: |
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276 | self.__dirtyList = False |
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277 | self.on_patchSelector_activated(self.patchNameLabel.text()) |
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278 | else: |
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279 | error = \ |
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280 | str(process.readAllStandardError(), ioEncoding, 'replace') |
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281 | E5MessageBox.warning(self, |
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282 | self.trUtf8("Apply Guard Definitions"), |
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283 | self.trUtf8("""<p>The defined guards could not be""" |
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284 | """ applied.</p><p>Reason: {0}</p>""")\ |
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285 | .format(error)) |
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286 | |
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287 | else: |
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288 | E5MessageBox.warning(self, |
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289 | self.trUtf8("Apply Guard Definitions"), |
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290 | self.trUtf8("""The Mercurial process did not finish in time.""")) |