diff -r 4e8b98454baa -r 800c432b34c8 eric7/Graphics/PackageItem.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/Graphics/PackageItem.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,303 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2007 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a package item.
+"""
+
+from PyQt5.QtGui import QFont
+from PyQt5.QtWidgets import QGraphicsSimpleTextItem, QStyle
+
+from .UMLItem import UMLModel, UMLItem
+
+import Utilities
+
+
+class PackageModel(UMLModel):
+ """
+ Class implementing the package model.
+ """
+ def __init__(self, name, moduleslist=None):
+ """
+ Constructor
+
+ @param name package name
+ @type str
+ @param moduleslist list of module names
+ @type list of str
+ """
+ super().__init__(name)
+
+ self.moduleslist = [] if moduleslist is None else moduleslist[:]
+
+ def addModule(self, modulename):
+ """
+ Public method to add a module to the package model.
+
+ @param modulename module name to be added
+ @type str
+ """
+ self.moduleslist.append(modulename)
+
+ def getModules(self):
+ """
+ Public method to retrieve the modules of the package.
+
+ @return list of module names
+ @rtype list of str
+ """
+ return self.moduleslist[:]
+
+
+class PackageItem(UMLItem):
+ """
+ Class implementing a package item.
+ """
+ ItemType = "package"
+
+ def __init__(self, model=None, x=0, y=0, rounded=False,
+ noModules=False, colors=None, parent=None, scene=None):
+ """
+ Constructor
+
+ @param model package model containing the package data
+ @type PackageModel
+ @param x x-coordinate
+ @type int
+ @param y y-coordinate
+ @type int
+ @param rounded flag indicating a rounded corner
+ @type bool
+ @param noModules flag indicating, that no module names should be
+ shown
+ @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)
+ self.noModules = noModules
+
+ if scene:
+ scene.addItem(self)
+
+ if self.model:
+ self.__createTexts()
+ self.__calculateSize()
+
+ def __createTexts(self):
+ """
+ Private method to create the text items of the class item.
+ """
+ if self.model is None:
+ return
+
+ boldFont = QFont(self.font)
+ boldFont.setBold(True)
+
+ modules = self.model.getModules()
+
+ 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
+
+ if not self.noModules:
+ if modules:
+ txt = "\n".join(modules)
+ else:
+ txt = " "
+ self.modules = QGraphicsSimpleTextItem(self)
+ self.modules.setBrush(self._colors[0])
+ self.modules.setFont(self.font)
+ self.modules.setText(txt)
+ self.modules.setPos(x, y)
+ else:
+ self.modules = None
+
+ def __calculateSize(self):
+ """
+ Private method to calculate the size of the package widget.
+ """
+ if self.model is None:
+ return
+
+ width = self.header.boundingRect().width()
+ height = self.header.boundingRect().height()
+ if self.modules:
+ width = max(width, self.modules.boundingRect().width())
+ height += self.modules.boundingRect().height()
+ latchW = width / 3.0
+ latchH = min(15.0, latchW)
+ self.setSize(width + 2 * self.margin,
+ height + latchH + 2 * self.margin)
+
+ x = self.margin + self.rect().x()
+ y = self.margin + self.rect().y() + latchH
+ self.header.setPos(x, y)
+ y += self.header.boundingRect().height() + self.margin
+ if self.modules:
+ self.modules.setPos(x, y)
+
+ def setModel(self, model):
+ """
+ Public method to set the package model.
+
+ @param model package model containing the package data
+ @type PackageModel
+ """
+ self.scene().removeItem(self.header)
+ self.header = None
+ if self.modules:
+ self.scene().removeItem(self.modules)
+ self.modules = 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)
+
+ offsetX = self.rect().x()
+ offsetY = self.rect().y()
+ w = self.rect().width()
+ latchW = w / 3.0
+ latchH = min(15.0, latchW)
+ h = self.rect().height() - latchH + 1
+
+ painter.setPen(pen)
+ painter.setBrush(self.brush())
+ painter.setFont(self.font)
+
+ painter.drawRect(offsetX, offsetY, latchW, latchH)
+ painter.drawRect(offsetX, offsetY + latchH, w, h)
+ y = self.margin + self.header.boundingRect().height() + latchH
+ 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 = [
+ "no_modules={0}".format(self.noModules),
+ "name={0}".format(self.model.getName()),
+ ]
+ modules = self.model.getModules()
+ if modules:
+ entries.append("modules={0}".format("||".join(modules)))
+
+ 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) < 2:
+ return False
+
+ name = ""
+ modules = []
+
+ for part in parts:
+ key, value = part.split("=", 1)
+ if key == "no_modules":
+ self.external = Utilities.toBool(value.strip())
+ elif key == "name":
+ name = value.strip()
+ elif key == "modules":
+ modules = value.strip().split("||")
+ else:
+ return False
+
+ self.model = PackageModel(name, modules)
+ 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(),
+ "no_nodules": self.noModules,
+ "modules": self.model.getModules(),
+ }
+
+ @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 = PackageModel(data["model_name"],
+ data["modules"])
+ itm = cls(model,
+ x=0,
+ y=0,
+ noModules=data["no_nodules"],
+ colors=colors)
+ itm.setPos(data["x"], data["y"])
+ itm.setId(data["id"])
+ return itm
+ except KeyError:
+ return None
