--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/Graphics/ModuleItem.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,272 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2007 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a module item.
+"""
+
+from PyQt5.QtGui import QFont
+from PyQt5.QtWidgets import QGraphicsSimpleTextItem, QStyle
+
+from .UMLItem import UMLModel, UMLItem
+
+
+class ModuleModel(UMLModel):
+ """
+ Class implementing the module model.
+ """
+ def __init__(self, name, classlist=None):
+ """
+ Constructor
+
+ @param name the module name
+ @type str
+ @param classlist list of class names
+ @type list of str
+ """
+ super().__init__(name)
+
+ self.classlist = [] if classlist is None else classlist[:]
+
+ def addClass(self, classname):
+ """
+ Public method to add a class to the module model.
+
+ @param classname class name to be added
+ @type str
+ """
+ self.classlist.append(classname)
+
+ def getClasses(self):
+ """
+ Public method to retrieve the classes of the module.
+
+ @return list of class names
+ @rtype list of str
+ """
+ return self.classlist[:]
+
+
+class ModuleItem(UMLItem):
+ """
+ Class implementing a module item.
+ """
+ ItemType = "module"
+
+ def __init__(self, model=None, x=0, y=0, rounded=False, colors=None,
+ parent=None, scene=None):
+ """
+ Constructor
+
+ @param model module model containing the module data
+ @type ModuleModel
+ @param x x-coordinate
+ @type int
+ @param y y-coordinate
+ @type int
+ @param rounded flag indicating a rounded corner
+ @type bool
+ @param colors tuple containing the foreground and background colors
+ @type tuple of (QColor, QColor)
+ @param parent reference to the parent object
+ @type QGraphicsItem
+ @param scene reference to the scene object
+ @type QGraphicsScene
+ """
+ UMLItem.__init__(self, model, x, y, rounded, colors, parent)
+
+ if scene:
+ scene.addItem(self)
+
+ if self.model:
+ self.__createTexts()
+ self.__calculateSize()
+
+ def __createTexts(self):
+ """
+ Private method to create the text items of the module item.
+ """
+ if self.model is None:
+ return
+
+ boldFont = QFont(self.font)
+ boldFont.setBold(True)
+
+ classes = self.model.getClasses()
+
+ x = self.margin + self.rect().x()
+ y = self.margin + self.rect().y()
+ self.header = QGraphicsSimpleTextItem(self)
+ self.header.setBrush(self._colors[0])
+ self.header.setFont(boldFont)
+ self.header.setText(self.model.getName())
+ self.header.setPos(x, y)
+ y += self.header.boundingRect().height() + self.margin
+ txt = "\n".join(classes) if classes else " "
+ self.classes = QGraphicsSimpleTextItem(self)
+ self.classes.setBrush(self._colors[0])
+ self.classes.setFont(self.font)
+ self.classes.setText(txt)
+ self.classes.setPos(x, y)
+
+ def __calculateSize(self):
+ """
+ Private method to calculate the size of the module item.
+ """
+ if self.model is None:
+ return
+
+ width = self.header.boundingRect().width()
+ height = self.header.boundingRect().height()
+ if self.classes:
+ width = max(width, self.classes.boundingRect().width())
+ height += self.classes.boundingRect().height()
+ self.setSize(width + 2 * self.margin, height + 2 * self.margin)
+
+ def setModel(self, model):
+ """
+ Public method to set the module model.
+
+ @param model module model containing the module data
+ @type ModuleModel
+ """
+ self.scene().removeItem(self.header)
+ self.header = None
+ if self.classes:
+ self.scene().removeItem(self.classes)
+ self.meths = None
+ self.model = model
+ self.__createTexts()
+ self.__calculateSize()
+
+ def paint(self, painter, option, widget=None):
+ """
+ Public method to paint the item in local coordinates.
+
+ @param painter reference to the painter object
+ @type QPainter
+ @param option style options
+ @type QStyleOptionGraphicsItem
+ @param widget optional reference to the widget painted on
+ @type QWidget
+ """
+ pen = self.pen()
+ if (
+ (option.state & QStyle.StateFlag.State_Selected) ==
+ QStyle.State(QStyle.StateFlag.State_Selected)
+ ):
+ pen.setWidth(2)
+ else:
+ pen.setWidth(1)
+
+ painter.setPen(pen)
+ painter.setBrush(self.brush())
+ painter.setFont(self.font)
+
+ offsetX = self.rect().x()
+ offsetY = self.rect().y()
+ w = self.rect().width()
+ h = self.rect().height()
+
+ painter.drawRect(offsetX, offsetY, w, h)
+ y = self.margin + self.header.boundingRect().height()
+ painter.drawLine(offsetX, offsetY + y, offsetX + w - 1, offsetY + y)
+
+ self.adjustAssociations()
+
+ def buildItemDataString(self):
+ """
+ Public method to build a string to persist the specific item data.
+
+ This string must start with ", " and should be built like
+ "attribute=value" with pairs separated by ", ". value must not
+ contain ", " or newlines.
+
+ @return persistence data
+ @rtype str
+ """
+ entries = [
+ "name={0}".format(self.model.getName()),
+ ]
+ classes = self.model.getClasses()
+ if classes:
+ entries.append("classes={0}".format("||".join(classes)))
+
+ return ", " + ", ".join(entries)
+
+ def parseItemDataString(self, version, data):
+ """
+ Public method to parse the given persistence data.
+
+ @param version version of the data
+ @type str
+ @param data persisted data to be parsed
+ @type str
+ @return flag indicating success
+ @rtype bool
+ """
+ parts = data.split(", ")
+ if len(parts) < 1:
+ return False
+
+ name = ""
+ classes = []
+
+ for part in parts:
+ key, value = part.split("=", 1)
+ if key == "name":
+ name = value.strip()
+ elif key == "classes":
+ classes = value.strip().split("||")
+ else:
+ return False
+
+ self.model = ModuleModel(name, classes)
+ self.__createTexts()
+ self.__calculateSize()
+
+ return True
+
+ def toDict(self):
+ """
+ Public method to collect data to be persisted.
+
+ @return dictionary containing data to be persisted
+ @rtype dict
+ """
+ return {
+ "id": self.getId(),
+ "x": self.x(),
+ "y": self.y(),
+ "type": self.getItemType(),
+ "model_name": self.model.getName(),
+ "classes": self.model.getClasses(),
+ }
+
+ @classmethod
+ def fromDict(cls, data, colors=None):
+ """
+ Class method to create a class item from persisted data.
+
+ @param data dictionary containing the persisted data as generated
+ by toDict()
+ @type dict
+ @param colors tuple containing the foreground and background colors
+ @type tuple of (QColor, QColor)
+ @return created class item
+ @rtype ClassItem
+ """
+ try:
+ model = ModuleModel(data["model_name"],
+ data["classes"])
+ itm = cls(model,
+ x=0,
+ y=0,
+ colors=colors)
+ itm.setPos(data["x"], data["y"])
+ itm.setId(data["id"])
+ return itm
+ except KeyError:
+ return None
