# -*- coding: utf-8 -*-

# Copyright (c) 2007 - 2014 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Ericdoc plugin.
"""

import os
import sys
import copy

from PyQt4.QtCore import QObject, SIGNAL, QString
from PyQt4.QtGui import QDialog, QApplication

from KdeQt.KQApplication import e4App

from E4Gui.E4Action import E4Action

from DocumentationPlugins.Ericdoc.EricdocConfigDialog import EricdocConfigDialog
from DocumentationPlugins.Ericdoc.EricdocExecDialog import EricdocExecDialog

import Utilities

from eric4config import getConfig

# Start-Of-Header
name = "Ericdoc Plugin"
author = "Detlev Offenbach <detlev@die-offenbachs.de>"
autoactivate = True
deactivateable = True
version = "4.4.0"
className = "EricdocPlugin"
packageName = "__core__"
shortDescription = "Show the Ericdoc dialogs."
longDescription = """This plugin implements the Ericdoc dialogs.""" \
 """ Ericdoc is used to generate a source code documentation""" \
 """ for Python and Ruby projects."""
# End-Of-Header

error = QString("")

def exeDisplayData():
    """
    Public method to support the display of some executable info.
    
    @return dictionary containing the data to query the presence of
        the executable
    """
    exe = 'eric4_doc'
    if Utilities.isWindowsPlatform():
        exe = os.path.join(getConfig("bindir"), exe +'.bat')
    
    data = {
        "programEntry"      : True, 
        "header"            : QApplication.translate("EricdocPlugin",
                                "Eric4 Documentation Generator"), 
        "exe"               : exe, 
        "versionCommand"    : '--version', 
        "versionStartsWith" : 'eric4_', 
        "versionPosition"   : -2, 
        "version"           : "", 
        "versionCleanup"    : None, 
    }
    
    return data

class EricdocPlugin(QObject):
    """
    Class implementing the Ericdoc plugin.
    """
    def __init__(self, ui):
        """
        Constructor
        
        @param ui reference to the user interface object (UI.UserInterface)
        """
        QObject.__init__(self, ui)
        self.__ui = ui
        self.__initialize()
        
    def __initialize(self):
        """
        Private slot to (re)initialize the plugin.
        """
        self.__projectAct = None

    def activate(self):
        """
        Public method to activate this plugin.
        
        @return tuple of None and activation status (boolean)
        """
        menu = e4App().getObject("Project").getMenu("Apidoc")
        if menu:
            self.__projectAct = \
                E4Action(self.trUtf8('Generate documentation (eric4_doc)'),
                    self.trUtf8('Generate &documentation (eric4_doc)'), 0, 0,
                    self, 'doc_eric4_doc')
            self.__projectAct.setStatusTip(\
                self.trUtf8('Generate API documentation using eric4_doc'))
            self.__projectAct.setWhatsThis(self.trUtf8(
                """<b>Generate documentation</b>"""
                """<p>Generate API documentation using eric4_doc.</p>"""
            ))
            self.connect(self.__projectAct, SIGNAL('triggered()'), self.__doEricdoc)
            e4App().getObject("Project").addE4Actions([self.__projectAct])
            menu.addAction(self.__projectAct)
        
        self.connect(e4App().getObject("Project"), SIGNAL("showMenu"), 
                     self.__projectShowMenu)
        
        return None, True

    def deactivate(self):
        """
        Public method to deactivate this plugin.
        """
        self.disconnect(e4App().getObject("Project"), SIGNAL("showMenu"), 
                        self.__projectShowMenu)
        
        menu = e4App().getObject("Project").getMenu("Apidoc")
        if menu:
            menu.removeAction(self.__projectAct)
            e4App().getObject("Project").removeE4Actions([self.__projectAct])
        self.__initialize()
    
    def __projectShowMenu(self, menuName, menu):
        """
        Private slot called, when the the project menu or a submenu is 
        about to be shown.
        
        @param menuName name of the menu to be shown (string)
        @param menu reference to the menu (QMenu)
        """
        if menuName == "Apidoc":
            if self.__projectAct is not None:
                self.__projectAct.setEnabled(\
                    e4App().getObject("Project").getProjectLanguage() in \
                        ["Python", "Python3", "Ruby"])
    
    def __doEricdoc(self):
        """
        Private slot to perform the eric4_doc api documentation generation.
        """
        project = e4App().getObject("Project")
        parms = project.getData('DOCUMENTATIONPARMS', "ERIC4DOC")
        dlg = EricdocConfigDialog(project, parms)
        if dlg.exec_() == QDialog.Accepted:
            args, parms = dlg.generateParameters()
            project.setData('DOCUMENTATIONPARMS', "ERIC4DOC", parms)
            
            # now do the call
            dia = EricdocExecDialog("Ericdoc")
            res = dia.start(args, project.ppath)
            if res:
                dia.exec_()
            
            outdir = parms['outputDirectory']
            if outdir == '':
                outdir = 'doc'      # that is eric4_docs default output dir
                
            # add it to the project data, if it isn't in already
            outdir = project.getRelativePath(outdir)
            if outdir not in project.pdata['OTHERS']:
                project.pdata['OTHERS'].append(outdir)
                project.setDirty(True)
                project.othersAdded(outdir)
            
            if parms['qtHelpEnabled']:
                outdir = parms['qtHelpOutputDirectory']
                if outdir == '':
                    outdir = 'help'      # that is eric4_docs default QtHelp output dir
                    
                # add it to the project data, if it isn't in already
                outdir = project.getRelativePath(outdir)
                if outdir not in project.pdata['OTHERS']:
                    project.pdata['OTHERS'].append(outdir)
                    project.setDirty(True)
                    project.othersAdded(outdir)
