eric6/Graphics/ModuleItem.py

Sun, 04 Oct 2020 15:25:17 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 04 Oct 2020 15:25:17 +0200
changeset 7749
285855999b4e
parent 7529
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child 7780
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permissions
-rw-r--r--

Configuration Dialog: optimized the display of the various configuration pages.

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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 module item.
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8 """
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9
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11 from PyQt5.QtGui import QFont
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12 from PyQt5.QtWidgets import QGraphicsSimpleTextItem, QStyle
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13
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14 from .UMLItem import UMLModel, UMLItem
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16
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17 class ModuleModel(UMLModel):
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18 """
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19 Class implementing the module model.
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20 """
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21 def __init__(self, name, classlist=None):
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22 """
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23 Constructor
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24
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25 @param name the module name (string)
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26 @param classlist list of class names (list of strings)
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27 """
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28 super(ModuleModel, self).__init__(name)
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29
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30 self.classlist = [] if classlist is None else classlist[:]
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31
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32 def addClass(self, classname):
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33 """
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34 Public method to add a class to the module model.
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35
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36 @param classname class name to be added (string)
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37 """
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38 self.classlist.append(classname)
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39
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40 def getClasses(self):
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41 """
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42 Public method to retrieve the classes of the module.
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43
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44 @return list of class names (list of strings)
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45 """
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46 return self.classlist[:]
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47
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48
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49 class ModuleItem(UMLItem):
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50 """
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51 Class implementing a module item.
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52 """
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53 ItemType = "module"
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54
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55 def __init__(self, model=None, x=0, y=0, rounded=False, colors=None,
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56 parent=None, scene=None):
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57 """
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58 Constructor
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59
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60 @param model module model containing the module data
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61 @type ModuleModel
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62 @param x x-coordinate
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63 @type int
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64 @param y y-coordinate
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65 @type int
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66 @param rounded flag indicating a rounded corner
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67 @type bool
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68 @param colors tuple containing the foreground and background colors
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69 @type tuple of (QColor, QColor)
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70 @param parent reference to the parent object
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71 @type QGraphicsItem
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72 @param scene reference to the scene object
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73 @type QGraphicsScene
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74 """
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75 UMLItem.__init__(self, model, x, y, rounded, colors, parent)
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76
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77 scene.addItem(self)
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78
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79 if self.model:
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80 self.__createTexts()
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81 self.__calculateSize()
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82
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83 def __createTexts(self):
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84 """
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85 Private method to create the text items of the module item.
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86 """
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87 if self.model is None:
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88 return
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89
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90 boldFont = QFont(self.font)
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91 boldFont.setBold(True)
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92
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93 classes = self.model.getClasses()
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94
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95 x = self.margin + self.rect().x()
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96 y = self.margin + self.rect().y()
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97 self.header = QGraphicsSimpleTextItem(self)
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98 self.header.setBrush(self._colors[0])
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99 self.header.setFont(boldFont)
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100 self.header.setText(self.model.getName())
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101 self.header.setPos(x, y)
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102 y += self.header.boundingRect().height() + self.margin
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103 if classes:
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104 txt = "\n".join(classes)
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105 else:
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106 txt = " "
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107 self.classes = QGraphicsSimpleTextItem(self)
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108 self.classes.setBrush(self._colors[0])
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109 self.classes.setFont(self.font)
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110 self.classes.setText(txt)
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111 self.classes.setPos(x, y)
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112
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113 def __calculateSize(self):
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114 """
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115 Private method to calculate the size of the module item.
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116 """
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117 if self.model is None:
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118 return
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119
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120 width = self.header.boundingRect().width()
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121 height = self.header.boundingRect().height()
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122 if self.classes:
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123 width = max(width, self.classes.boundingRect().width())
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124 height = height + self.classes.boundingRect().height()
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125 self.setSize(width + 2 * self.margin, height + 2 * self.margin)
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126
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127 def setModel(self, model):
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128 """
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129 Public method to set the module model.
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130
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parents:
diff changeset
131 @param model module model containing the module data (ModuleModel)
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parents:
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132 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 self.scene().removeItem(self.header)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 self.header = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 if self.classes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 self.scene().removeItem(self.classes)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 self.meths = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 self.model = model
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 self.__createTexts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 self.__calculateSize()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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141
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
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parents: 791
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142 def paint(self, painter, option, widget=None):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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143 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 Public method to paint the item in local coordinates.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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145
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parents:
diff changeset
146 @param painter reference to the painter object (QPainter)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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147 @param option style options (QStyleOptionGraphicsItem)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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148 @param widget optional reference to the widget painted on (QWidget)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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149 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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150 pen = self.pen()
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
151 if (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
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152 (option.state & QStyle.State_Selected) ==
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parents: 7229
diff changeset
153 QStyle.State(QStyle.State_Selected)
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parents: 7229
diff changeset
154 ):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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155 pen.setWidth(2)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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156 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 pen.setWidth(1)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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159 painter.setPen(pen)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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160 painter.setBrush(self.brush())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 painter.setFont(self.font)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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162
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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163 offsetX = self.rect().x()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 offsetY = self.rect().y()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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165 w = self.rect().width()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 h = self.rect().height()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 painter.drawRect(offsetX, offsetY, w, h)
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parents:
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169 y = self.margin + self.header.boundingRect().height()
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parents:
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170 painter.drawLine(offsetX, offsetY + y, offsetX + w - 1, offsetY + y)
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parents:
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171
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parents:
diff changeset
172 self.adjustAssociations()
2030
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parents: 1509
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173
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
174 def buildItemDataString(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
175 """
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
176 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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177
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
178 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
179 "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
180 contain ", " or newlines.
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
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181
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
182 @return persistence data (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
183 """
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
184 entries = [
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
185 "name={0}".format(self.model.getName()),
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
186 ]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
187 classes = self.model.getClasses()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
188 if classes:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
189 entries.append("classes={0}".format("||".join(classes)))
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parents: 1509
diff changeset
190
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
191 return ", " + ", ".join(entries)
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parents: 1509
diff changeset
192
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
193 def parseItemDataString(self, version, data):
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
194 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
195 Public method to parse the given persistence data.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
196
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
197 @param version version of the data (string)
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
198 @param data persisted data to be parsed (string)
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
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199 @return flag indicating success (boolean)
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
200 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
201 parts = data.split(", ")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
202 if len(parts) < 1:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
203 return False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
204
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
205 name = ""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
206 classes = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
207
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
208 for part in parts:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
209 key, value = part.split("=", 1)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
210 if key == "name":
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
211 name = value.strip()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
212 elif key == "classes":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
213 classes = value.strip().split("||")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
214 else:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
215 return False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
216
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
217 self.model = ModuleModel(name, classes)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
218 self.__createTexts()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
219 self.__calculateSize()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
220
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
221 return True

eric ide

mercurial