Plugins/PluginWizardQFileDialog.py

Mon, 06 Jan 2014 19:56:09 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 06 Jan 2014 19:56:09 +0100
changeset 3180
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parent 3160
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child 3190
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permissions
-rw-r--r--

Started 5.5.x line of development.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2014 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 the QFileDialog wizard plugin.
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8 """
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9
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10 import re
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11
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12 from PyQt4.QtCore import QObject
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13 from PyQt4.QtGui import QDialog
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14
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15 from E5Gui.E5Application import e5App
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16 from E5Gui.E5Action import E5Action
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17 from E5Gui import E5MessageBox
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18
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19 # Start-Of-Header
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20 name = "QFileDialog Wizard Plugin"
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21 author = "Detlev Offenbach <detlev@die-offenbachs.de>"
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22 autoactivate = True
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23 deactivateable = True
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24 version = "5.5.0"
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25 className = "FileDialogWizard"
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26 packageName = "__core__"
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27 shortDescription = "Show the QFileDialog wizard."
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28 longDescription = """This plugin shows the QFileDialog wizard."""
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29 pyqtApi = 2
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30 # End-Of-Header
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31
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32 error = ""
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33
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34
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35 class FileDialogWizard(QObject):
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36 """
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37 Class implementing the QFileDialog wizard plugin.
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38 """
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39 def __init__(self, ui):
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40 """
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41 Constructor
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42
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43 @param ui reference to the user interface object (UI.UserInterface)
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44 """
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45 super().__init__(ui)
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46 self.__ui = ui
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47
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48 self.__pyqtRe = re.compile(r"(?:import|from)\s+PyQt([45])")
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49
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50 def activate(self):
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51 """
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52 Public method to activate this plugin.
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53
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54 @return tuple of None and activation status (boolean)
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55 """
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56 self.__initAction()
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57 self.__initMenu()
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58
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59 return None, True
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60
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61 def deactivate(self):
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62 """
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63 Public method to deactivate this plugin.
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64 """
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65 menu = self.__ui.getMenu("wizards")
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66 if menu:
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67 menu.removeAction(self.action)
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68 self.__ui.removeE5Actions([self.action], 'wizards')
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69
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70 def __initAction(self):
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71 """
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72 Private method to initialize the action.
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73 """
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74 self.action = E5Action(
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75 self.trUtf8('QFileDialog Wizard'),
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76 self.trUtf8('Q&FileDialog Wizard...'), 0, 0, self,
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77 'wizards_qfiledialog')
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78 self.action.setStatusTip(self.trUtf8('QFileDialog Wizard'))
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79 self.action.setWhatsThis(self.trUtf8(
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80 """<b>QFileDialog Wizard</b>"""
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81 """<p>This wizard opens a dialog for entering all the parameters"""
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82 """ needed to create a QFileDialog. The generated code is"""
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83 """ inserted at the current cursor position.</p>"""
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84 ))
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85 self.action.triggered[()].connect(self.__handle)
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86
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87 self.__ui.addE5Actions([self.action], 'wizards')
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88
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89 def __initMenu(self):
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90 """
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91 Private method to add the actions to the right menu.
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92 """
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93 menu = self.__ui.getMenu("wizards")
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94 if menu:
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95 menu.addAction(self.action)
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96
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97 def __callForm(self, editor):
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98 """
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99 Private method to display a dialog and get the code.
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100
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101 @param editor reference to the current editor
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102 @return the generated code (string)
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103 """
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104 match = self.__pyqtRe.search(editor.text())
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105 if match is None:
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106 pyqtVariant = 0 # unknown
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107 else:
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108 pyqtVariant = int(match.group(1)) # 4 or 5
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109
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110 from WizardPlugins.FileDialogWizard.FileDialogWizardDialog import \
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111 FileDialogWizardDialog
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112 dlg = FileDialogWizardDialog(pyqtVariant, None)
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113 if dlg.exec_() == QDialog.Accepted:
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114 line, index = editor.getCursorPosition()
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115 indLevel = editor.indentation(line) // editor.indentationWidth()
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116 if editor.indentationsUseTabs():
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117 indString = '\t'
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118 else:
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119 indString = editor.indentationWidth() * ' '
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120 return (dlg.getCode(indLevel, indString), 1)
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121 else:
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122 return (None, 0)
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123
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124 def __handle(self):
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125 """
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126 Private method to handle the wizards action.
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127 """
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128 editor = e5App().getObject("ViewManager").activeWindow()
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129
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130 if editor is None:
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131 E5MessageBox.critical(
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132 self.__ui,
0
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133 self.trUtf8('No current editor'),
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134 self.trUtf8('Please open or create a file first.'))
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135 else:
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136 code, ok = self.__callForm(editor)
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137 if ok:
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138 line, index = editor.getCursorPosition()
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139 # It should be done on this way to allow undo
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140 editor.beginUndoAction()
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141 editor.insertAt(code, line, index)
467
0911d8be9b07 Continued porting signal/slot usage to the new API.
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142 editor.endUndoAction()

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