Graphics/PackageDiagram.py

Wed, 05 Sep 2012 19:19:16 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 05 Sep 2012 19:19:16 +0200
changeset 2024
717b72b32420
parent 1845
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child 2025
8bb085c59cd2
permissions
-rw-r--r--

Changed the association layout for the package and class diagrams.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2012 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 of a package.
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8 """
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9
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10 import glob
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11 import os.path
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12 import itertools
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13
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14 from PyQt4.QtGui import QProgressDialog, QApplication, QGraphicsTextItem
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15
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16 from .UMLDialog import UMLDialog
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17 from .ClassItem import ClassItem, ClassModel
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18 from .AssociationItem import AssociationItem, Generalisation
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19 from . import GraphicsUtilities
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20
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21 import Utilities.ModuleParser
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22 import Utilities
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23 import Preferences
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24
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25
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26 class PackageDiagram(UMLDialog):
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27 """
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28 Class implementing a dialog showing a UML like class diagram of a package.
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29 """
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30 def __init__(self, package, parent=None, name=None, noAttrs=False):
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31 """
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32 Constructor
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33
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34 @param package name of a python package to be shown (string)
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35 @param parent parent widget of the view (QWidget)
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36 @param name name of the view widget (string)
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37 @keyparam noAttrs flag indicating, that no attributes should be shown (boolean)
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38 """
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39 self.package = Utilities.normabspath(package)
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40 self.allClasses = {}
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41 self.noAttrs = noAttrs
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42
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43 UMLDialog.__init__(self, self.package, parent)
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44
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45 if not name:
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46 self.setObjectName("PackageDiagram")
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47 else:
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48 self.setObjectName(name)
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49
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50 self.umlView.relayout.connect(self.relayout)
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51
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52 def __getCurrentShape(self, name):
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53 """
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54 Private method to get the named shape.
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55
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56 @param name name of the shape (string)
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57 @return shape (QCanvasItem)
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58 """
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59 return self.allClasses.get(name)
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60
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61 def __buildModulesDict(self):
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62 """
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63 Private method to build a dictionary of modules contained in the package.
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64
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65 @return dictionary of modules contained in the package.
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66 """
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67 supportedExt = \
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68 ['*{0}'.format(ext) for ext in Preferences.getPython("PythonExtensions")] + \
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69 ['*{0}'.format(ext) for ext in Preferences.getPython("Python3Extensions")] + \
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70 ['*.rb']
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71 extensions = Preferences.getPython("PythonExtensions") + \
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72 Preferences.getPython("Python3Extensions") + ['.rb']
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73
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74 moduleDict = {}
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75 modules = []
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76 for ext in supportedExt:
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77 modules.extend(glob.glob(Utilities.normjoinpath(self.package, ext)))
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78 tot = len(modules)
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79 try:
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80 prog = 0
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81 progress = QProgressDialog(self.trUtf8("Parsing modules..."),
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82 None, 0, tot, self)
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83 progress.show()
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84 QApplication.processEvents()
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85 for module in modules:
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86 progress.setValue(prog)
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87 QApplication.processEvents()
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88 prog += 1
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89 try:
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90 mod = Utilities.ModuleParser.readModule(module, extensions=extensions)
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91 except ImportError:
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92 continue
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93 else:
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94 name = mod.name
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95 if name.startswith(self.package):
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96 name = name[len(self.package) + 1:]
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97 moduleDict[name] = mod
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98 finally:
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99 progress.setValue(tot)
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100 return moduleDict
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101
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102 def __buildClasses(self):
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103 """
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104 Private method to build the class shapes of the package diagram.
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105
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106 The algorithm is borrowed from Boa Constructor.
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107 """
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108 initlist = glob.glob(os.path.join(self.package, '__init__.*'))
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109 if len(initlist) == 0:
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110 ct = QGraphicsTextItem(None, self.scene)
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111 ct.setHtml(
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112 self.trUtf8("The directory <b>'{0}'</b> is not a package.")\
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113 .format(self.package))
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114 return
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115
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116 modules = self.__buildModulesDict()
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117 if not modules:
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118 ct = QGraphicsTextItem(None, self.scene)
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119 ct.setHtml(
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120 self.trUtf8("The package <b>'{0}'</b> does not contain any modules.")
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121 .format(self.package))
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122 return
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123
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124 # step 1: build all classes found in the modules
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125 classesFound = False
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126
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127 for modName in list(modules.keys()):
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128 module = modules[modName]
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129 for cls in list(module.classes.keys()):
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130 classesFound = True
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131 self.__addLocalClass(cls, module.classes[cls], 0, 0)
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132 if not classesFound:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 ct = QGraphicsTextItem(None, self.scene)
564
b3d966393ba9 Did some code cleanup.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 483
diff changeset
134 ct.setHtml(
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 self.trUtf8("The package <b>'{0}'</b> does not contain any classes.")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 .format(self.package))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 return
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 # step 2: build the class hierarchies
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 routes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 nodes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
143 for modName in list(modules.keys()):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 module = modules[modName]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 todo = [module.createHierarchy()]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 while todo:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 hierarchy = todo[0]
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
148 for className in list(hierarchy.keys()):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 cw = self.__getCurrentShape(className)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 if not cw and className.find('.') >= 0:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 cw = self.__getCurrentShape(className.split('.')[-1])
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 if cw:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 self.allClasses[className] = cw
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 if cw and cw.noAttrs != self.noAttrs:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 cw = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 if cw and not (cw.external and \
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 (className in module.classes or
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 className in module.modules)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 ):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160 if className not in nodes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 nodes.append(className)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 if className in module.classes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 # this is a local class (defined in this module)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
165 self.__addLocalClass(className, module.classes[className],
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 0, 0)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 elif className in module.modules:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 # this is a local module (defined in this module)
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
169 self.__addLocalClass(className, module.modules[className],
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170 0, 0, True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172 self.__addExternalClass(className, 0, 0)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 nodes.append(className)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 if hierarchy.get(className):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176 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
177 children = list(hierarchy.get(className).keys())
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 for child in children:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 if (className, child) not in routes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 routes.append((className, child))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 del todo[0]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 self.__arrangeClasses(nodes, routes[:])
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 self.__createAssociations(routes)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
187 def __arrangeClasses(self, nodes, routes, whiteSpaceFactor=1.2):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 Private method to arrange the shapes on the canvas.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 The algorithm is borrowed from Boa Constructor.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
193 generations = GraphicsUtilities.sort(nodes, routes)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
194
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 # calculate width and height of all elements
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 sizes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 for generation in generations:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 sizes.append([])
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 for child in generation:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 sizes[-1].append(self.__getCurrentShape(child).sceneBoundingRect())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 # calculate total width and total height
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 width = 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 height = 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 widths = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 heights = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 for generation in sizes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 currentWidth = 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 currentHeight = 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 for rect in generation:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 if rect.bottom() > currentHeight:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 currentHeight = rect.bottom()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 currentWidth = currentWidth + rect.right()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 # update totals
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 if currentWidth > width:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 width = currentWidth
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 height = height + currentHeight
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 # store generation info
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 widths.append(currentWidth)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 heights.append(currentHeight)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 # add in some whitespace
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 width = width * whiteSpaceFactor
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 rawHeight = height
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 height = height * whiteSpaceFactor - 20
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 verticalWhiteSpace = (height - rawHeight) / (len(generations) - 1.0 or 2.0)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 sceneRect = self.umlView.sceneRect()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 width += 50.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 height += 50.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 swidth = width < sceneRect.width() and sceneRect.width() or width
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 sheight = height < sceneRect.height() and sceneRect.height() or height
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 self.umlView.setSceneSize(swidth, sheight)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 # distribute each generation across the width and the
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 # generations across height
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 y = 10.0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 for currentWidth, currentHeight, generation in \
35
42f5cfc851da Ported the UML like diagrams.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 28
diff changeset
242 itertools.zip_longest(widths, heights, generations):
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 x = 10.0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 # whiteSpace is the space between any two elements
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 whiteSpace = (width - currentWidth - 20) / (len(generation) - 1.0 or 2.0)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 for className in generation:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 cw = self.__getCurrentShape(className)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 cw.setPos(x, y)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 rect = cw.sceneBoundingRect()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 x = x + rect.width() + whiteSpace
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 y = y + currentHeight + verticalWhiteSpace
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
253 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
254 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 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
256
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 @param className name of the class to be as a dictionary key (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 @param _class class to be shown (ModuleParser.Class)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 @param x x-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
260 @param y y-coordinate (float)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
261 @param isRbModule flag indicating a Ruby module (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
262 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
263 meths = sorted(_class.methods.keys())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
264 attrs = sorted(_class.attributes.keys())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
265 name = _class.name
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266 if isRbModule:
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267 name = "{0} (Module)".format(name)
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268 cl = ClassModel(name, meths[:], attrs[:])
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269 cw = ClassItem(cl, False, x, y, noAttrs=self.noAttrs, scene=self.scene)
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270 self.allClasses[className] = cw
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271
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272 def __addExternalClass(self, _class, x, y):
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273 """
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274 Private method to add a class defined outside the module.
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275
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276 If the canvas is too small to take the shape, it
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277 is enlarged.
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278
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279 @param _class class to be shown (string)
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280 @param x x-coordinate (float)
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281 @param y y-coordinate (float)
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282 """
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283 cl = ClassModel(_class)
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284 cw = ClassItem(cl, True, x, y, noAttrs=self.noAttrs, scene=self.scene)
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285 self.allClasses[_class] = cw
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286
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287 def __createAssociations(self, routes):
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288 """
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289 Private method to generate the associations between the class shapes.
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290
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291 @param routes list of relationsships
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292 """
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293 for route in routes:
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294 if len(route) > 1:
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295 assoc = AssociationItem(
0
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296 self.__getCurrentShape(route[1]),
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297 self.__getCurrentShape(route[0]),
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298 Generalisation,
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299 topToBottom=True)
0
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300 self.scene.addItem(assoc)
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301
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302 def show(self):
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303 """
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304 Overriden method to show the dialog.
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305 """
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306 self.__buildClasses()
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307 UMLDialog.show(self)
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308
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309 def relayout(self):
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310 """
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311 Method to relayout the diagram.
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312 """
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313 self.allClasses.clear()
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314 self.__buildClasses()

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