eric6/Graphics/ModuleItem.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2021 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 module item.
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8 """
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9
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10 from PyQt5.QtGui import QFont
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11 from PyQt5.QtWidgets import QGraphicsSimpleTextItem, QStyle
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12
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13 from .UMLItem import UMLModel, UMLItem
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15
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16 class ModuleModel(UMLModel):
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17 """
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18 Class implementing the module model.
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19 """
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20 def __init__(self, name, classlist=None):
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21 """
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22 Constructor
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23
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24 @param name the module name (string)
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25 @param classlist list of class names (list of strings)
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26 """
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27 super(ModuleModel, self).__init__(name)
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28
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29 self.classlist = [] if classlist is None else classlist[:]
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30
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31 def addClass(self, classname):
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32 """
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33 Public method to add a class to the module model.
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34
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35 @param classname class name to be added (string)
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36 """
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37 self.classlist.append(classname)
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38
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39 def getClasses(self):
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40 """
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41 Public method to retrieve the classes of the module.
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42
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43 @return list of class names (list of strings)
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44 """
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45 return self.classlist[:]
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46
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47
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48 class ModuleItem(UMLItem):
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49 """
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50 Class implementing a module item.
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51 """
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52 ItemType = "module"
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53
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54 def __init__(self, model=None, x=0, y=0, rounded=False, colors=None,
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55 parent=None, scene=None):
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56 """
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57 Constructor
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58
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59 @param model module model containing the module data
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60 @type ModuleModel
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61 @param x x-coordinate
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62 @type int
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63 @param y y-coordinate
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64 @type int
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65 @param rounded flag indicating a rounded corner
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66 @type bool
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67 @param colors tuple containing the foreground and background colors
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68 @type tuple of (QColor, QColor)
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69 @param parent reference to the parent object
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70 @type QGraphicsItem
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71 @param scene reference to the scene object
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72 @type QGraphicsScene
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73 """
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74 UMLItem.__init__(self, model, x, y, rounded, colors, parent)
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75
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76 scene.addItem(self)
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77
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78 if self.model:
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79 self.__createTexts()
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80 self.__calculateSize()
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81
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82 def __createTexts(self):
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83 """
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84 Private method to create the text items of the module item.
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85 """
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86 if self.model is None:
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87 return
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88
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89 boldFont = QFont(self.font)
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90 boldFont.setBold(True)
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91
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92 classes = self.model.getClasses()
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93
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94 x = self.margin + self.rect().x()
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95 y = self.margin + self.rect().y()
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96 self.header = QGraphicsSimpleTextItem(self)
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97 self.header.setBrush(self._colors[0])
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98 self.header.setFont(boldFont)
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99 self.header.setText(self.model.getName())
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100 self.header.setPos(x, y)
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101 y += self.header.boundingRect().height() + self.margin
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102 if classes:
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103 txt = "\n".join(classes)
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104 else:
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105 txt = " "
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106 self.classes = QGraphicsSimpleTextItem(self)
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107 self.classes.setBrush(self._colors[0])
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108 self.classes.setFont(self.font)
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109 self.classes.setText(txt)
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110 self.classes.setPos(x, y)
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111
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112 def __calculateSize(self):
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113 """
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114 Private method to calculate the size of the module item.
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115 """
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116 if self.model is None:
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117 return
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118
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119 width = self.header.boundingRect().width()
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120 height = self.header.boundingRect().height()
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121 if self.classes:
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122 width = max(width, self.classes.boundingRect().width())
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123 height = height + self.classes.boundingRect().height()
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124 self.setSize(width + 2 * self.margin, height + 2 * self.margin)
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125
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126 def setModel(self, model):
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127 """
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128 Public method to set the module model.
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129
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130 @param model module model containing the module data (ModuleModel)
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parents:
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131 """
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parents:
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132 self.scene().removeItem(self.header)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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133 self.header = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 if self.classes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 self.scene().removeItem(self.classes)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 self.meths = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 self.model = model
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 self.__createTexts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 self.__calculateSize()
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parents:
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140
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
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parents: 791
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141 def paint(self, painter, option, widget=None):
0
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parents:
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142 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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143 Public method to paint the item in local coordinates.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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144
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parents:
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145 @param painter reference to the painter object (QPainter)
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parents:
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146 @param option style options (QStyleOptionGraphicsItem)
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parents:
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147 @param widget optional reference to the widget painted on (QWidget)
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parents:
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148 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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149 pen = self.pen()
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
150 if (
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
151 (option.state & QStyle.State_Selected) ==
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parents: 7229
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152 QStyle.State(QStyle.State_Selected)
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parents: 7229
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153 ):
0
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parents:
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154 pen.setWidth(2)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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155 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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156 pen.setWidth(1)
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parents:
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157
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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158 painter.setPen(pen)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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159 painter.setBrush(self.brush())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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160 painter.setFont(self.font)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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161
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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162 offsetX = self.rect().x()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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163 offsetY = self.rect().y()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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164 w = self.rect().width()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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165 h = self.rect().height()
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parents:
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166
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parents:
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167 painter.drawRect(offsetX, offsetY, w, h)
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parents:
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168 y = self.margin + self.header.boundingRect().height()
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parents:
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169 painter.drawLine(offsetX, offsetY + y, offsetX + w - 1, offsetY + y)
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parents:
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170
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parents:
diff changeset
171 self.adjustAssociations()
2030
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parents: 1509
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172
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
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173 def buildItemDataString(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
174 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
175 Public method to build a string to persist the specific item data.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
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176
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
177 This string must start with ", " and should be built like
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
178 "attribute=value" with pairs separated by ", ". value must not
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
179 contain ", " or newlines.
2030
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180
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parents: 1509
diff changeset
181 @return persistence data (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
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182 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
183 entries = [
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
184 "name={0}".format(self.model.getName()),
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
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185 ]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
186 classes = self.model.getClasses()
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parents: 1509
diff changeset
187 if classes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
188 entries.append("classes={0}".format("||".join(classes)))
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diff changeset
189
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
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190 return ", " + ", ".join(entries)
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parents: 1509
diff changeset
191
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
192 def parseItemDataString(self, version, data):
2030
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Detlev Offenbach <detlev@die-offenbachs.de>
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193 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
194 Public method to parse the given persistence data.
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parents: 1509
diff changeset
195
2034
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diff changeset
196 @param version version of the data (string)
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
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diff changeset
197 @param data persisted data to be parsed (string)
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
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198 @return flag indicating success (boolean)
2030
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
199 """
2034
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
200 parts = data.split(", ")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
201 if len(parts) < 1:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
202 return False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
203
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
204 name = ""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
205 classes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
206
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
207 for part in parts:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
208 key, value = part.split("=", 1)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
209 if key == "name":
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
210 name = value.strip()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
211 elif key == "classes":
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
212 classes = value.strip().split("||")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
213 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
214 return False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
215
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
216 self.model = ModuleModel(name, classes)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
217 self.__createTexts()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
218 self.__calculateSize()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
219
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
220 return True

eric ide

mercurial