eric6/Graphics/UMLDialog.py

Sat, 21 Sep 2019 17:41:22 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 21 Sep 2019 17:41:22 +0200
changeset 7254
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parent 7229
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child 7360
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permissions
-rw-r--r--

Continued to resolve code style issue M841.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2019 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 showing UML like diagrams.
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8 """
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9
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11 from PyQt5.QtCore import pyqtSlot, Qt, QFileInfo
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12 from PyQt5.QtWidgets import QAction, QToolBar, QGraphicsScene
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14 from E5Gui import E5MessageBox, E5FileDialog
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15 from E5Gui.E5MainWindow import E5MainWindow
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16
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17 import UI.Config
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18 import UI.PixmapCache
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19
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20
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21 class UMLDialog(E5MainWindow):
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22 """
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23 Class implementing a dialog showing UML like diagrams.
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24 """
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25 NoDiagram = 255
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26 ClassDiagram = 0
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27 PackageDiagram = 1
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28 ImportsDiagram = 2
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29 ApplicationDiagram = 3
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30
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31 FileVersions = ["1.0"]
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32
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33 def __init__(self, diagramType, project, path="", parent=None,
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34 initBuilder=True, **kwargs):
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35 """
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36 Constructor
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37
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38 @param diagramType type of the diagram (one of ApplicationDiagram,
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39 ClassDiagram, ImportsDiagram, NoDiagram, PackageDiagram)
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40 @param project reference to the project object (Project)
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41 @param path file or directory path to build the diagram from (string)
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42 @param parent parent widget of the dialog (QWidget)
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43 @keyparam initBuilder flag indicating to initialize the diagram
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44 builder (boolean)
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45 @keyparam kwargs diagram specific data
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46 """
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47 super(UMLDialog, self).__init__(parent)
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48 self.setObjectName("UMLDialog")
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49
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50 self.__diagramType = diagramType
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51 self.__project = project
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52
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53 from .UMLGraphicsView import UMLGraphicsView
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54 self.scene = QGraphicsScene(0.0, 0.0, 800.0, 600.0)
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55 self.umlView = UMLGraphicsView(self.scene, parent=self)
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56 self.builder = self.__diagramBuilder(
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57 self.__diagramType, path, **kwargs)
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58 if self.builder and initBuilder:
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59 self.builder.initialize()
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60
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61 self.__fileName = ""
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62
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63 self.__initActions()
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64 self.__initToolBars()
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65
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66 self.setCentralWidget(self.umlView)
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67
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68 self.umlView.relayout.connect(self.__relayout)
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69
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70 self.setWindowTitle(self.__diagramTypeString())
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71
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72 def __initActions(self):
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73 """
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74 Private slot to initialize the actions.
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75 """
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76 self.closeAct = QAction(
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77 UI.PixmapCache.getIcon("close.png"),
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78 self.tr("Close"), self)
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79 self.closeAct.triggered.connect(self.close)
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80
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81 self.openAct = QAction(
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82 UI.PixmapCache.getIcon("open.png"),
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83 self.tr("Load"), self)
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84 self.openAct.triggered.connect(self.load)
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85
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86 self.saveAct = QAction(
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87 UI.PixmapCache.getIcon("fileSave.png"),
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88 self.tr("Save"), self)
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89 self.saveAct.triggered.connect(self.__save)
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90
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91 self.saveAsAct = QAction(
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92 UI.PixmapCache.getIcon("fileSaveAs.png"),
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93 self.tr("Save As..."), self)
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94 self.saveAsAct.triggered.connect(self.__saveAs)
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95
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96 self.saveImageAct = QAction(
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97 UI.PixmapCache.getIcon("fileSavePixmap.png"),
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98 self.tr("Save as Image"), self)
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99 self.saveImageAct.triggered.connect(self.umlView.saveImage)
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100
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101 self.printAct = QAction(
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102 UI.PixmapCache.getIcon("print.png"),
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103 self.tr("Print"), self)
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104 self.printAct.triggered.connect(self.umlView.printDiagram)
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105
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106 self.printPreviewAct = QAction(
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107 UI.PixmapCache.getIcon("printPreview.png"),
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108 self.tr("Print Preview"), self)
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109 self.printPreviewAct.triggered.connect(
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110 self.umlView.printPreviewDiagram)
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111
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112 def __initToolBars(self):
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113 """
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114 Private slot to initialize the toolbars.
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115 """
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116 self.windowToolBar = QToolBar(self.tr("Window"), self)
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117 self.windowToolBar.setIconSize(UI.Config.ToolBarIconSize)
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118 self.windowToolBar.addAction(self.closeAct)
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119
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120 self.fileToolBar = QToolBar(self.tr("File"), self)
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121 self.fileToolBar.setIconSize(UI.Config.ToolBarIconSize)
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122 self.fileToolBar.addAction(self.openAct)
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parents: 2033
diff changeset
123 self.fileToolBar.addSeparator()
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
124 self.fileToolBar.addAction(self.saveAct)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
125 self.fileToolBar.addAction(self.saveAsAct)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
126 self.fileToolBar.addAction(self.saveImageAct)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
127 self.fileToolBar.addSeparator()
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
128 self.fileToolBar.addAction(self.printPreviewAct)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
129 self.fileToolBar.addAction(self.printAct)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
130
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
131 self.umlToolBar = self.umlView.initToolBar()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
133 self.addToolBar(Qt.TopToolBarArea, self.fileToolBar)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 self.addToolBar(Qt.TopToolBarArea, self.windowToolBar)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 self.addToolBar(Qt.TopToolBarArea, self.umlToolBar)
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
136
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
137 def show(self, fromFile=False):
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
138 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
139 Public method to show the dialog.
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
140
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
141 @keyparam fromFile flag indicating, that the diagram was loaded
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
142 from file (boolean)
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
143 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
144 if not fromFile and self.builder:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
145 self.builder.buildDiagram()
2525
8b507a9a2d40 Script changes: Future import added, super calls modified and unicode behavior for str.
T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 2401
diff changeset
146 super(UMLDialog, self).show()
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
147
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
148 def __relayout(self):
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
149 """
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
150 Private method to relayout the diagram.
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
151 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
152 if self.builder:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
153 self.builder.buildDiagram()
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
154
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
155 def __diagramBuilder(self, diagramType, path, **kwargs):
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
156 """
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
157 Private method to instantiate a diagram builder object.
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
158
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
159 @param diagramType type of the diagram
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
160 (one of ApplicationDiagram, ClassDiagram, ImportsDiagram,
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
161 PackageDiagram)
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
162 @param path file or directory path to build the diagram from (string)
2953
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2401
diff changeset
163 @keyparam kwargs diagram specific data
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2401
diff changeset
164 @return reference to the instantiated diagram builder
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2401
diff changeset
165 @exception ValueError raised to indicate an illegal diagram type
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
166 """
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
167 if diagramType == UMLDialog.ClassDiagram:
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
168 from .UMLClassDiagramBuilder import UMLClassDiagramBuilder
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
169 return UMLClassDiagramBuilder(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
170 self, self.umlView, self.__project, path, **kwargs)
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
171 elif diagramType == UMLDialog.PackageDiagram:
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
172 from .PackageDiagramBuilder import PackageDiagramBuilder
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
173 return PackageDiagramBuilder(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
174 self, self.umlView, self.__project, path, **kwargs)
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
175 elif diagramType == UMLDialog.ImportsDiagram:
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
176 from .ImportsDiagramBuilder import ImportsDiagramBuilder
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
177 return ImportsDiagramBuilder(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
178 self, self.umlView, self.__project, path, **kwargs)
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
179 elif diagramType == UMLDialog.ApplicationDiagram:
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
180 from .ApplicationDiagramBuilder import ApplicationDiagramBuilder
2997
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
181 return ApplicationDiagramBuilder(
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
182 self, self.umlView, self.__project, **kwargs)
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
183 elif diagramType == UMLDialog.NoDiagram:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
184 return None
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
185 else:
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
186 raise ValueError(self.tr(
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
187 "Illegal diagram type '{0}' given.").format(diagramType))
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
188
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
189 def __diagramTypeString(self):
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
190 """
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
191 Private method to generate a readable string for the diagram type.
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
192
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
193 @return readable type string (string)
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
194 """
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
195 if self.__diagramType == UMLDialog.ClassDiagram:
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
196 return "Class Diagram"
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
197 elif self.__diagramType == UMLDialog.PackageDiagram:
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
198 return "Package Diagram"
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
199 elif self.__diagramType == UMLDialog.ImportsDiagram:
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
200 return "Imports Diagram"
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
201 elif self.__diagramType == UMLDialog.ApplicationDiagram:
2031
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
202 return "Application Diagram"
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
203 else:
c36c2eb62a75 Refactored the UML graphics code.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2030
diff changeset
204 return "Illegal Diagram Type"
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
205
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
206 def __save(self):
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
207 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
208 Private slot to save the diagram with the current name.
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
209 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
210 self.__saveAs(self.__fileName)
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
211
3345
071afe8be2a1 Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3190
diff changeset
212 @pyqtSlot()
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
213 def __saveAs(self, filename=""):
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
214 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
215 Private slot to save the diagram.
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
216
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
217 @param filename name of the file to write to (string)
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
218 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
219 if not filename:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
220 fname, selectedFilter = E5FileDialog.getSaveFileNameAndFilter(
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
221 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
222 self.tr("Save Diagram"),
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
223 "",
3674
817bff442043 Updated translations.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3670
diff changeset
224 self.tr("Eric Graphics File (*.e5g);;All Files (*)"),
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
225 "",
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
226 E5FileDialog.Options(E5FileDialog.DontConfirmOverwrite))
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
227 if not fname:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
228 return
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
229 ext = QFileInfo(fname).suffix()
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
230 if not ext:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
231 ex = selectedFilter.split("(*")[1].split(")")[0]
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
232 if ex:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
233 fname += ex
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
234 if QFileInfo(fname).exists():
3020
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
235 res = E5MessageBox.yesNo(
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
236 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
237 self.tr("Save Diagram"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
238 self.tr("<p>The file <b>{0}</b> already exists."
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
239 " Overwrite it?</p>").format(fname),
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
240 icon=E5MessageBox.Warning)
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
241 if not res:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
242 return
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
243 filename = fname
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
244
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
245 lines = [
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
246 "version: 1.0",
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
247 "diagram_type: {0} ({1})".format(
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
248 self.__diagramType, self.__diagramTypeString()),
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
249 "scene_size: {0};{1}".format(self.scene.width(),
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
250 self.scene.height()),
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
251 ]
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
252 persistenceData = self.builder.getPersistenceData()
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
253 if persistenceData:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
254 lines.append("builder_data: {0}".format(persistenceData))
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
255 lines.extend(self.umlView.getPersistenceData())
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
256
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
257 try:
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
258 f = open(filename, "w", encoding="utf-8")
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
259 f.write("\n".join(lines))
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
260 f.close()
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
261 except (IOError, OSError) as err:
3020
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
262 E5MessageBox.critical(
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
263 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
264 self.tr("Save Diagram"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
265 self.tr(
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
266 """<p>The file <b>{0}</b> could not be saved.</p>"""
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
267 """<p>Reason: {1}</p>""").format(filename, str(err)))
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
268 return
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
269
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
270 self.__fileName = filename
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
271
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
272 def load(self):
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
273 """
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
274 Public method to load a diagram from a file.
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
275
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
276 @return flag indicating success (boolean)
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
277 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
278 filename = E5FileDialog.getOpenFileName(
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
279 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
280 self.tr("Load Diagram"),
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
281 "",
3674
817bff442043 Updated translations.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3670
diff changeset
282 self.tr("Eric Graphics File (*.e5g);;All Files (*)"))
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
283 if not filename:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
284 # Cancelled by user
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
285 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
286
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
287 try:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
288 f = open(filename, "r", encoding="utf-8")
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
289 data = f.read()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
290 f.close()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
291 except (IOError, OSError) as err:
3020
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
292 E5MessageBox.critical(
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2997
diff changeset
293 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
294 self.tr("Load Diagram"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
295 self.tr(
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
296 """<p>The file <b>{0}</b> could not be read.</p>"""
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
297 """<p>Reason: {1}</p>""").format(filename, str(err)))
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
298 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
299
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
300 lines = data.splitlines()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
301 if len(lines) < 3:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
302 self.__showInvalidDataMessage(filename)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
303 return False
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
304
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
305 try:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
306 # step 1: check version
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
307 linenum = 0
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
308 key, value = lines[linenum].split(": ", 1)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
309 if (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
310 key.strip() != "version" or
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
311 value.strip() not in UMLDialog.FileVersions
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
312 ):
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
313 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
314 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
315 else:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
316 version = value
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
317
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
318 # step 2: extract diagram type
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
319 linenum += 1
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
320 key, value = lines[linenum].split(": ", 1)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
321 if key.strip() != "diagram_type":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
322 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
323 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
324 try:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
325 self.__diagramType = int(value.strip().split(None, 1)[0])
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
326 except ValueError:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
327 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
328 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
329 self.scene.clear()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
330 self.builder = self.__diagramBuilder(self.__diagramType, "")
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
331
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
332 # step 3: extract scene size
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
333 linenum += 1
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
334 key, value = lines[linenum].split(": ", 1)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
335 if key.strip() != "scene_size":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
336 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
337 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
338 try:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
339 width, height = [float(v.strip()) for v in value.split(";")]
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
340 except ValueError:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
341 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
342 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
343 self.umlView.setSceneSize(width, height)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
344
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
345 # step 4: extract builder data if available
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
346 linenum += 1
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
347 key, value = lines[linenum].split(": ", 1)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
348 if key.strip() == "builder_data":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
349 ok = self.builder.parsePersistenceData(version, value)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
350 if not ok:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
351 self.__showInvalidDataMessage(filename, linenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
352 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
353 linenum += 1
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
354
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
355 # step 5: extract the graphics items
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
356 ok, vlinenum = self.umlView.parsePersistenceData(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
357 version, lines[linenum:])
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
358 if not ok:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
359 self.__showInvalidDataMessage(filename, linenum + vlinenum)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
360 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
361
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
362 except IndexError:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
363 self.__showInvalidDataMessage(filename)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
364 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
365
4645
3d6762252f04 Fixed an issue causing a wrong window title when a UML diagram was loaded.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
366 # everything worked fine, so remember the file name and set the
3d6762252f04 Fixed an issue causing a wrong window title when a UML diagram was loaded.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
367 # window title
3d6762252f04 Fixed an issue causing a wrong window title when a UML diagram was loaded.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
368 self.setWindowTitle(self.__diagramTypeString())
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
369 self.__fileName = filename
4645
3d6762252f04 Fixed an issue causing a wrong window title when a UML diagram was loaded.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
370
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
371 return True
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
372
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
373 def __showInvalidDataMessage(self, filename, linenum=-1):
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
374 """
2034
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
375 Private slot to show a message dialog indicating an invalid data file.
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
376
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
377 @param filename name of the file containing the invalid data (string)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
378 @param linenum number of the invalid line (integer)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
379 """
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
380 if linenum < 0:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
381 msg = self.tr("""<p>The file <b>{0}</b> does not contain"""
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
382 """ valid data.</p>""").format(filename)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
383 else:
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a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
384 msg = self.tr("""<p>The file <b>{0}</b> does not contain"""
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
385 """ valid data.</p><p>Invalid line: {1}</p>"""
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
386 ).format(filename, linenum + 1)
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
387 E5MessageBox.critical(self, self.tr("Load Diagram"), msg)

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