Graphics/ApplicationDiagram.py

changeset 0
de9c2efb9d02
child 12
1d8dd9706f46
diff -r 000000000000 -r de9c2efb9d02 Graphics/ApplicationDiagram.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Graphics/ApplicationDiagram.py	Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,250 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2007 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog showing an imports diagram of the application.
+"""
+
+import os
+import glob
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+from UMLDialog import UMLDialog
+from PackageItem import PackageItem, PackageModel
+from AssociationItem import AssociationItem, Imports
+import GraphicsUtilities
+
+import Utilities.ModuleParser
+import Utilities
+
+class ApplicationDiagram(UMLDialog):
+    """
+    Class implementing a dialog showing an imports diagram of the application.
+    """
+    def __init__(self, project, parent = None, name = None,  noModules = False):
+        """
+        Constructor
+        
+        @param project reference to the project object
+        @param parent parent widget of the view (QWidget)
+        @param name name of the view widget (string)
+        @keyparam noModules flag indicating, that no module names should be 
+            shown (boolean)
+        """
+        self.project = project
+        self.noModules = noModules
+        
+        UMLDialog.__init__(self, self.project.ppath, parent)
+        
+        if not name:
+            self.setObjectName("ApplicationDiagram")
+        else:
+            self.setObjectName(name)
+        
+        self.connect(self.umlView, SIGNAL("relayout()"), self.relayout)
+        
+    def __buildModulesDict(self):
+        """
+        Private method to build a dictionary of modules contained in the application.
+        
+        @return dictionary of modules contained in the application.
+        """
+        moduleDict = {}
+        mods = self.project.pdata["SOURCES"]
+        modules = []
+        for module in mods:
+            modules.append(Utilities.normabsjoinpath(self.project.ppath, module))
+        tot = len(modules)
+        try:
+            prog = 0
+            progress = QProgressDialog(self.trUtf8("Parsing modules..."),
+                "", 0, tot, self)
+            progress.show()
+            QApplication.processEvents()
+            for module in modules:
+                progress.setValue(prog)
+                QApplication.processEvents()
+                prog += 1
+                if module.endswith("__init__.py"):
+                    continue
+                try: 
+                    mod = Utilities.ModuleParser.readModule(module)
+                except ImportError:
+                    continue
+                else:
+                    name = mod.name
+                    moduleDict[name] = mod
+        finally:
+            progress.setValue(tot)
+        return moduleDict
+        
+    def __buildPackages(self):
+        """
+        Private method to build the packages shapes of the diagram.
+        """
+        project = os.path.splitdrive(self.project.ppath)[1].replace(os.sep, '.')[1:]
+        packages = {}
+        shapes = {}
+        p = 10
+        y = 10
+        maxHeight = 0
+        sceneRect = self.umlView.sceneRect()
+        
+        modules = self.__buildModulesDict()
+        sortedkeys = sorted(modules.keys())
+        
+        # step 1: build a dictionary of packages
+        for module in sortedkeys:
+            l = module.split('.')
+            package = '.'.join(l[:-1])
+            if package in packages:
+                packages[package][0].append(l[-1])
+            else:
+                packages[package] = ([l[-1]], [])
+                
+        # step 2: assign modules to dictionaries and update import relationship
+        for module in sortedkeys:
+            l = module.split('.')
+            package = '.'.join(l[:-1])
+            impLst = []
+            for i in modules[module].imports:
+                if i in modules:
+                    impLst.append(i)
+                else:
+                    if i.find('.') == -1:
+                        n = "%s.%s" % (modules[module].package, i)
+                        if n in modules:
+                            impLst.append(n)
+                        else:
+                            n = "%s.%s" % (project, i)
+                            if n in modules:
+                                impLst.append(n)
+                            elif n in packages:
+                                n = "%s.<<Dummy>>" % n
+                                impLst.append(n)
+                    else:
+                        n = "%s.%s" % (project, i)
+                        if n in modules:
+                            impLst.append(n)
+            for i in modules[module].from_imports.keys():
+                if i.startswith('.'):
+                    dots = len(i) - len(i.lstrip('.'))
+                    if dots == 1:
+                        i = i[1:]
+                    elif dots > 1:
+                        packagePath = os.path.dirname(modules[module].file)
+                        hasInit = True
+                        ppath = packagePath
+                        while hasInit:
+                            ppath = os.path.dirname(ppath)
+                            hasInit = \
+                                len(glob.glob(os.path.join(ppath, '__init__.*'))) > 0
+                        shortPackage = \
+                            packagePath.replace(ppath, '').replace(os.sep, '.')[1:]
+                        packageList = shortPackage.split('.')[1:]
+                        packageListLen = len(packageList)
+                        i = '.'.join(packageList[:packageListLen - dots + 1] + [i[dots:]])
+                
+                if i in modules:
+                    impLst.append(i)
+                else:
+                    if i.find('.') == -1:
+                        n = "%s.%s" % (modules[module].package, i)
+                        if n in modules:
+                            impLst.append(n)
+                        else:
+                            n = "%s.%s" % (project, i)
+                            if n in modules:
+                                impLst.append(n)
+                            elif n in packages:
+                                n = "%s.<<Dummy>>" % n
+                                impLst.append(n)
+                    else:
+                        n = "%s.%s" % (project, i)
+                        if n in modules:
+                            impLst.append(n)
+            for imp in impLst:
+                impPackage = '.'.join(imp.split('.')[:-1])
+                if not impPackage in packages[package][1] and \
+                   not impPackage == package:
+                    packages[package][1].append(impPackage)
+                    
+        sortedkeys = sorted(packages.keys())
+        for package in sortedkeys:
+            if package:
+                relPackage = package.replace(project, '')
+                if relPackage and relPackage[0] == '.':
+                    relPackage = relPackage[1:]
+                else:
+                    relPackage = self.trUtf8("<<Application>>")
+            else:
+                relPackage = self.trUtf8("<<Others>>")
+            shape = self.__addPackage(relPackage, packages[package][0], 0.0, 0.0)
+            shapeRect = shape.sceneBoundingRect()
+            shapes[package] = (shape, packages[package][1])
+            pn = p + shapeRect.width() + 10
+            maxHeight = max(maxHeight, shapeRect.height())
+            if pn > sceneRect.width():
+                p = 10
+                y += maxHeight + 10
+                maxHeight = shapeRect.height()
+                shape.setPos(p, y)
+                p += shapeRect.width() + 10
+            else:
+                shape.setPos(p, y)
+                p = pn
+        
+        rect = self.umlView._getDiagramRect(10)
+        sceneRect = self.umlView.sceneRect()
+        if rect.width() > sceneRect.width():
+            sceneRect.setWidth(rect.width())
+        if rect.height() > sceneRect.height():
+            sceneRect.setHeight(rect.height())
+        self.umlView.setSceneSize(sceneRect.width(), sceneRect.height())
+        
+        self.__createAssociations(shapes)
+        
+    def __addPackage(self, name, modules, x, y):
+        """
+        Private method to add a package to the diagram.
+        
+        @param name package name to be shown (string)
+        @param modules list of module names contained in the package
+            (list of strings)
+        @param x x-coordinate (float)
+        @param y y-coordinate (float)
+        """
+        modules.sort()
+        pm = PackageModel(name, modules)
+        pw = PackageItem(pm, x, y, noModules = self.noModules, scene = self.scene)
+        return pw
+        
+    def __createAssociations(self, shapes):
+        """
+        Private method to generate the associations between the package shapes.
+        
+        @param shapes list of shapes
+        """
+        for package in shapes:
+            for rel in shapes[package][1]:
+                assoc = AssociationItem(\
+                        shapes[package][0], shapes[rel][0],
+                        Imports)
+                self.scene.addItem(assoc)
+        
+    def show(self):
+        """
+        Overriden method to show the dialog.
+        """
+        self.__buildPackages()
+        UMLDialog.show(self)
+        
+    def relayout(self):
+        """
+        Method to relayout the diagram.
+        """
+        self.__buildPackages()

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