eric6/Graphics/UMLClassDiagramBuilder.py

Mon, 12 Oct 2020 19:28:42 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 12 Oct 2020 19:28:42 +0200
changeset 7781
607a6098cb44
parent 7780
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child 7900
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child 7924
8a96736d465e
permissions
-rw-r--r--

Performed some more code cleanup.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2020 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 a UML like class diagram.
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8 """
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10 from itertools import zip_longest
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12 from PyQt5.QtWidgets import QGraphicsTextItem
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13
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14 import Utilities
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15 import Preferences
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16
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17 from .UMLDiagramBuilder import UMLDiagramBuilder
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18
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19
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20 class UMLClassDiagramBuilder(UMLDiagramBuilder):
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21 """
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22 Class implementing a builder for UML like class diagrams.
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23 """
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24 def __init__(self, dialog, view, project, file, noAttrs=False):
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25 """
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26 Constructor
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27
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28 @param dialog reference to the UML dialog (UMLDialog)
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29 @param view reference to the view object (UMLGraphicsView)
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30 @param project reference to the project object (Project)
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31 @param file file name of a python module to be shown (string)
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32 @keyparam noAttrs flag indicating, that no attributes should be shown
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33 (boolean)
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34 """
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35 super(UMLClassDiagramBuilder, self).__init__(dialog, view, project)
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36 self.setObjectName("UMLClassDiagramBuilder")
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37
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38 self.file = file
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39 self.noAttrs = noAttrs
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40
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41 def initialize(self):
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42 """
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43 Public method to initialize the object.
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44 """
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45 pname = self.project.getProjectName()
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46 if pname and self.project.isProjectSource(self.file):
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47 name = self.tr("Class Diagram {0}: {1}").format(
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48 pname, self.project.getRelativePath(self.file))
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49 else:
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50 name = self.tr("Class Diagram: {0}").format(self.file)
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51 self.umlView.setDiagramName(name)
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52
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53 def __getCurrentShape(self, name):
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54 """
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55 Private method to get the named shape.
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56
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57 @param name name of the shape (string)
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58 @return shape (QGraphicsItem)
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59 """
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60 return self.allClasses.get(name)
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61
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62 def buildDiagram(self):
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63 """
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64 Public method to build the class shapes of the class diagram.
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65
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66 The algorithm is borrowed from Boa Constructor.
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67 """
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68 import Utilities.ModuleParser
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69
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70 self.allClasses = {}
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71 self.allModules = {}
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72
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73 try:
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74 extensions = (
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75 Preferences.getPython("Python3Extensions") +
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76 ['.rb']
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77 )
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78 module = Utilities.ModuleParser.readModule(
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79 self.file, extensions=extensions, caching=False)
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80 except ImportError:
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81 ct = QGraphicsTextItem(None)
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82 ct.setHtml(
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83 self.tr("The module <b>'{0}'</b> could not be found.")
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84 .format(self.file))
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85 self.scene.addItem(ct)
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86 return
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87
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88 if self.file not in self.allModules:
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89 self.allModules[self.file] = []
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90
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91 routes = []
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92 nodes = []
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93 todo = [module.createHierarchy()]
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94 classesFound = False
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95 while todo:
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96 hierarchy = todo[0]
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97 for className in hierarchy:
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98 classesFound = True
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99 cw = self.__getCurrentShape(className)
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100 if not cw and className.find('.') >= 0:
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101 cw = self.__getCurrentShape(className.split('.')[-1])
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102 if cw:
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103 self.allClasses[className] = cw
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104 if className not in self.allModules[self.file]:
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105 self.allModules[self.file].append(className)
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106 if cw and cw.noAttrs != self.noAttrs:
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107 cw = None
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108 if cw and not (cw.external and
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109 (className in module.classes or
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110 className in module.modules)):
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111 if cw.scene() != self.scene:
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112 self.scene.addItem(cw)
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113 cw.setPos(10, 10)
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114 if className not in nodes:
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115 nodes.append(className)
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116 else:
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117 if className in module.classes:
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118 # this is a local class (defined in this module)
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119 self.__addLocalClass(
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120 className, module.classes[className], 0, 0)
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121 elif className in module.modules:
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122 # this is a local module (defined in this module)
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123 self.__addLocalClass(
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124 className, module.modules[className], 0, 0, True)
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125 else:
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126 self.__addExternalClass(className, 0, 0)
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127 nodes.append(className)
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128
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129 if hierarchy.get(className):
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parents:
diff changeset
130 todo.append(hierarchy.get(className))
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
131 children = list(hierarchy.get(className).keys())
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 for child in children:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 if (className, child) not in routes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 routes.append((className, child))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 del todo[0]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 if classesFound:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 self.__arrangeClasses(nodes, routes[:])
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 self.__createAssociations(routes)
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
141 self.umlView.autoAdjustSceneSize(limit=True)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 else:
2094
88620e11c67c Made the seventh set of Qt5 compatibility changes.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2039
diff changeset
143 ct = QGraphicsTextItem(None)
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
144 ct.setHtml(self.tr(
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
145 "The module <b>'{0}'</b> does not contain any classes.")
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 .format(self.file))
2094
88620e11c67c Made the seventh set of Qt5 compatibility changes.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2039
diff changeset
147 self.scene.addItem(ct)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
149 def __arrangeClasses(self, nodes, routes, whiteSpaceFactor=1.2):
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 Private method to arrange the shapes on the canvas.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 The algorithm is borrowed from Boa Constructor.
2953
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2402
diff changeset
154
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2402
diff changeset
155 @param nodes list of nodes to arrange
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2402
diff changeset
156 @param routes list of routes
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2402
diff changeset
157 @param whiteSpaceFactor factor to increase whitespace between
703452a2876f Started correcting doc strings by using the new doc string checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2402
diff changeset
158 items (float)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 """
2401
4f428de32b69 Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
160 from . import GraphicsUtilities
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 generations = GraphicsUtilities.sort(nodes, routes)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 # calculate width and height of all elements
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 sizes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 for generation in generations:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 sizes.append([])
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 for child in generation:
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
168 sizes[-1].append(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
169 self.__getCurrentShape(child).sceneBoundingRect())
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 # calculate total width and total height
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172 width = 0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 height = 0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 widths = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 heights = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176 for generation in sizes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 currentWidth = 0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 currentHeight = 0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 for rect in generation:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 if rect.bottom() > currentHeight:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 currentHeight = rect.bottom()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 currentWidth = currentWidth + rect.right()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 # update totals
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 if currentWidth > width:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 width = currentWidth
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 height = height + currentHeight
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 # store generation info
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 widths.append(currentWidth)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192 heights.append(currentHeight)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
193
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
194 # add in some whitespace
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 width = width * whiteSpaceFactor
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 height = height * whiteSpaceFactor - 20
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
197 verticalWhiteSpace = 40.0
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 sceneRect = self.umlView.sceneRect()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 width += 50.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201 height += 50.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 swidth = width < sceneRect.width() and sceneRect.width() or width
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 sheight = height < sceneRect.height() and sceneRect.height() or height
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 self.umlView.setSceneSize(swidth, sheight)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 # distribute each generation across the width and the
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 # generations across height
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 y = 10.0
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
209 for currentWidth, currentHeight, generation in (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
210 zip_longest(widths, heights, generations)
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
211 ):
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 x = 10.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 # whiteSpace is the space between any two elements
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
214 whiteSpace = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
215 (width - currentWidth - 20) /
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
216 (len(generation) - 1.0 or 2.0)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
217 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 for className in generation:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 cw = self.__getCurrentShape(className)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 cw.setPos(x, y)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 rect = cw.sceneBoundingRect()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 x = x + rect.width() + whiteSpace
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 y = y + currentHeight + verticalWhiteSpace
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
225 def __addLocalClass(self, className, _class, x, y, isRbModule=False):
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 Private method to add a class defined in the module.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 @param className name of the class to be as a dictionary key (string)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 @param _class class to be shown (ModuleParser.Class)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 @param x x-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 @param y y-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 @param isRbModule flag indicating a Ruby module (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 """
2401
4f428de32b69 Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
235 from .ClassItem import ClassItem, ClassModel
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 meths = sorted(_class.methods.keys())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 attrs = sorted(_class.attributes.keys())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 name = _class.name
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 if isRbModule:
413
3d82e6eb3516 Did some more string format conversions.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 35
diff changeset
240 name = "{0} (Module)".format(name)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 cl = ClassModel(name, meths[:], attrs[:])
7529
2b8a0d8ba12a UML Diagrams: added support for dark color scheme.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
242 cw = ClassItem(cl, False, x, y, noAttrs=self.noAttrs, scene=self.scene,
2b8a0d8ba12a UML Diagrams: added support for dark color scheme.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
243 colors=self.umlView.getDrawingColors())
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2027
diff changeset
244 cw.setId(self.umlView.getItemId())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 self.allClasses[className] = cw
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 if _class.name not in self.allModules[self.file]:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 self.allModules[self.file].append(_class.name)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 def __addExternalClass(self, _class, x, y):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 Private method to add a class defined outside the module.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 If the canvas is too small to take the shape, it
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 is enlarged.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 @param _class class to be shown (string)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 @param x x-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 @param y y-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 """
2401
4f428de32b69 Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
260 from .ClassItem import ClassItem, ClassModel
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
261 cl = ClassModel(_class)
7529
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262 cw = ClassItem(cl, True, x, y, noAttrs=self.noAttrs, scene=self.scene,
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263 colors=self.umlView.getDrawingColors())
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264 cw.setId(self.umlView.getItemId())
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265 self.allClasses[_class] = cw
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266 if _class not in self.allModules[self.file]:
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267 self.allModules[self.file].append(_class)
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268
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269 def __createAssociations(self, routes):
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270 """
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271 Private method to generate the associations between the class shapes.
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272
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273 @param routes list of relationsships
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274 """
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275 from .AssociationItem import AssociationItem, Generalisation
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276 for route in routes:
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277 if len(route) > 1:
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278 assoc = AssociationItem(
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279 self.__getCurrentShape(route[1]),
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280 self.__getCurrentShape(route[0]),
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281 Generalisation,
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282 topToBottom=True,
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283 colors=self.umlView.getDrawingColors())
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284 self.scene.addItem(assoc)
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285
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286 def getPersistenceData(self):
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287 """
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288 Public method to get a string for data to be persisted.
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289
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290 @return persisted data string (string)
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291 """
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292 return "file={0}, no_attributes={1}".format(self.file, self.noAttrs)
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293
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294 def parsePersistenceData(self, version, data):
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295 """
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296 Public method to parse persisted data.
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297
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298 @param version version of the data (string)
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299 @param data persisted data to be parsed (string)
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300 @return flag indicating success (boolean)
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301 """
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302 parts = data.split(", ")
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303 if (
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304 len(parts) != 2 or
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305 not parts[0].startswith("file=") or
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306 not parts[1].startswith("no_attributes=")
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307 ):
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308 return False
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309
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310 self.file = parts[0].split("=", 1)[1].strip()
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311 self.noAttrs = Utilities.toBool(parts[1].split("=", 1)[1].strip())
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312
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313 self.initialize()
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314
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315 return True

eric ide

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