Graphics/PackageItem.py

Sun, 18 May 2014 14:13:09 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 18 May 2014 14:13:09 +0200
changeset 3591
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parent 3178
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child 3656
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permissions
-rw-r--r--

Corrected a bunch of source docu issues.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2014 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 package item.
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8 """
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9
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10 from __future__ import unicode_literals
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12 from PyQt4.QtGui import QFont, QGraphicsSimpleTextItem, QStyle
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14 from .UMLItem import UMLModel, UMLItem
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16 import Utilities
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17
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18
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19 class PackageModel(UMLModel):
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20 """
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21 Class implementing the package model.
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22 """
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23 def __init__(self, name, moduleslist=[]):
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24 """
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25 Constructor
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26
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27 @param name package name (string)
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28 @param moduleslist list of module names (list of strings)
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29 """
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30 super(PackageModel, self).__init__(name)
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31
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32 self.moduleslist = moduleslist
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33
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34 def addModule(self, modulename):
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35 """
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36 Public method to add a module to the package model.
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37
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38 @param modulename module name to be added (string)
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39 """
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40 self.moduleslist.append(modulename)
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41
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42 def getModules(self):
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43 """
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44 Public method to retrieve the modules of the package.
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45
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46 @return list of module names (list of strings)
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47 """
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48 return self.moduleslist[:]
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49
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50
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51 class PackageItem(UMLItem):
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52 """
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53 Class implementing a package item.
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54 """
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55 ItemType = "package"
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56
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57 def __init__(self, model=None, x=0, y=0, rounded=False,
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58 noModules=False, parent=None, scene=None):
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59 """
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60 Constructor
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61
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62 @param model package model containing the package data (PackageModel)
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63 @param x x-coordinate (integer)
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64 @param y y-coordinate (integer)
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65 @param rounded flag indicating a rounded corner (boolean)
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66 @keyparam noModules flag indicating, that no module names should be
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67 shown (boolean)
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68 @keyparam parent reference to the parent object (QGraphicsItem)
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69 @keyparam scene reference to the scene object (QGraphicsScene)
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70 """
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71 UMLItem.__init__(self, model, x, y, rounded, parent)
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72 self.noModules = noModules
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73
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74 scene.addItem(self)
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75
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76 if self.model:
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77 self.__createTexts()
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78 self.__calculateSize()
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79
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80 def __createTexts(self):
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81 """
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82 Private method to create the text items of the class item.
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83 """
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84 if self.model is None:
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85 return
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86
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87 boldFont = QFont(self.font)
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88 boldFont.setBold(True)
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89
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90 modules = self.model.getModules()
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91
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92 x = self.margin + self.rect().x()
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93 y = self.margin + self.rect().y()
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94 self.header = QGraphicsSimpleTextItem(self)
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95 self.header.setFont(boldFont)
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96 self.header.setText(self.model.getName())
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97 self.header.setPos(x, y)
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98 y += self.header.boundingRect().height() + self.margin
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99
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100 if not self.noModules:
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101 if modules:
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102 txt = "\n".join(modules)
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103 else:
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104 txt = " "
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105 self.modules = QGraphicsSimpleTextItem(self)
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106 self.modules.setFont(self.font)
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107 self.modules.setText(txt)
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108 self.modules.setPos(x, y)
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109 else:
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110 self.modules = None
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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 package widget.
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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.modules:
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122 width = max(width, self.modules.boundingRect().width())
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123 height = height + self.modules.boundingRect().height()
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124 latchW = width / 3.0
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125 latchH = min(15.0, latchW)
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126 self.setSize(width + 2 * self.margin,
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127 height + latchH + 2 * self.margin)
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128
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129 x = self.margin + self.rect().x()
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130 y = self.margin + self.rect().y() + latchH
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
131 self.header.setPos(x, y)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 y += self.header.boundingRect().height() + self.margin
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 if self.modules:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 self.modules.setPos(x, y)
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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 def setModel(self, model):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137 """
3591
2f2a4a76dd22 Corrected a bunch of source docu issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3178
diff changeset
138 Public method to set the package model.
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139
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parents:
diff changeset
140 @param model package model containing the package data (PackageModel)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 self.scene().removeItem(self.header)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 self.header = None
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 if self.modules:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 self.scene().removeItem(self.modules)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 self.modules = None
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 self.model = model
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 self.__createTexts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 self.__calculateSize()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
151 def paint(self, painter, option, widget=None):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 Public method to paint the item in local coordinates.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 @param painter reference to the painter object (QPainter)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 @param option style options (QStyleOptionGraphicsItem)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 @param widget optional reference to the widget painted on (QWidget)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 pen = self.pen()
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
160 if (option.state & QStyle.State_Selected) == \
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
161 QStyle.State(QStyle.State_Selected):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 pen.setWidth(2)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 pen.setWidth(1)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 offsetX = self.rect().x()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 offsetY = self.rect().y()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 w = self.rect().width()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169 latchW = w / 3.0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170 latchH = min(15.0, latchW)
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parents:
diff changeset
171 h = self.rect().height() - latchH + 1
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parents:
diff changeset
172
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 painter.setPen(pen)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 painter.setBrush(self.brush())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 painter.setFont(self.font)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 painter.drawRect(offsetX, offsetY, latchW, latchH)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 painter.drawRect(offsetX, offsetY + latchH, w, h)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 y = self.margin + self.header.boundingRect().height() + latchH
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 painter.drawLine(offsetX, offsetY + y, offsetX + w - 1, offsetY + y)
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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 self.adjustAssociations()
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
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 def buildItemDataString(self):
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
185 """
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
186 Public method to build a string to persist the specific item data.
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
187
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
188 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
189 "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
190 contain ", " or newlines.
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
191
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
192 @return persistence data (string)
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
193 """
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
194 entries = [
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
195 "no_modules={0}".format(self.noModules),
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
196 "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
197 ]
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
198 modules = self.model.getModules()
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
199 if modules:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
200 entries.append("modules={0}".format("||".join(modules)))
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
201
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
202 return ", " + ", ".join(entries)
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
203
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
204 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
205 """
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
206 Public method to parse the given persistence data.
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
207
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
208 @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
209 @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
diff changeset
210 @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
211 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
212 parts = data.split(", ")
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
213 if len(parts) < 2:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
214 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
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 name = ""
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
217 modules = []
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
218
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
219 for part in parts:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
220 key, value = part.split("=", 1)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
221 if key == "no_modules":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
222 self.external = Utilities.toBool(value.strip())
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
223 elif key == "name":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
224 name = value.strip()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
225 elif key == "modules":
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
226 modules = value.strip().split("||")
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
227 else:
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
228 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
229
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
230 self.model = PackageModel(name, modules)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
231 self.__createTexts()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
232 self.__calculateSize()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
233
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
234 return True

eric ide

mercurial