"""
Dialog box for configuring various directories.
"""
import wx
import Config
from Global import Log

class DirConfigDialog(wx.Dialog):
    def __init__(self, AppConfig, parent, ID, title, size = wx.DefaultSize, pos = wx.DefaultPosition, 
        style = wx.DEFAULT_DIALOG_STYLE, useMetal = False):
        self.Directories = AppConfig.Directories.copy()
        # Instead of calling wx.Dialog.__init__ we pre-create the dialog
        # so we can set an extra style that must be set before
        # creation, and then we create the GUI object using the Create
        # method.
        PreDialog = wx.PreDialog()
        PreDialog.SetExtraStyle(wx.DIALOG_EX_CONTEXTHELP)
        PreDialog.Create(parent, ID, title, pos, size, style)

        # This next step is the most important, it turns this Python
        # object into the real wrapper of the dialog (instead of pre)
        # as far as the wxPython extension is concerned.
        self.PostCreate(PreDialog)

        # This extra style can be set after the UI object has been created.
        if 'wxMac' in wx.PlatformInfo and useMetal:
            self.SetExtraStyle(wx.DIALOG_EX_METAL)

        # Now continue with the normal construction of the dialog
        # contents
        self.BuildWidgets()
    def BuildWidgets(self):
        self.MasterSizer = wx.BoxSizer(wx.VERTICAL)
        Label = wx.StaticText(self, -1, "Directory configuration")
        self.MasterSizer.Add(Label, 0, wx.ALIGN_CENTRE | wx.ALL, 5)
        self.DirectoryTextControls = []
        self.DirectoryDotButtons = []
        for Index in range(Config.DirectoryConfig.DirCount):
            self.AddDirConfigWidgets(Index, Config.DirectoryConfig.Names[Index])
        # Lower section: OK and Cancel buttons:
        StaticLine = wx.StaticLine(self, -1, size = (20, -1), style = wx.LI_HORIZONTAL)
        self.MasterSizer.Add(StaticLine, 0, wx.GROW | wx.ALIGN_CENTER_VERTICAL | wx.RIGHT | wx.TOP, 5)
        ButtonSizer = wx.StdDialogButtonSizer()
        OKButton = wx.Button(self, wx.ID_OK)
        OKButton.SetDefault()
        ButtonSizer.AddButton(OKButton)
        CancelButton = wx.Button(self, wx.ID_CANCEL)
        ButtonSizer.AddButton(CancelButton)
        ButtonSizer.Realize()
        self.MasterSizer.Add(ButtonSizer, 0, wx.ALIGN_CENTER_VERTICAL | wx.ALL, 5)
        self.SetSizer(self.MasterSizer)
        self.MasterSizer.Fit(self)
    def AddDirConfigWidgets(self, Index, Name):
        """
        Add label, text with dir, and button to search for dir.
        """
        BoxSizer = wx.BoxSizer(wx.HORIZONTAL)
        Label = wx.StaticText(self, -1, Name)
        Directory = self.Directories.get(Index, "")
        TextControl = wx.TextCtrl(self, -1, Directory)
        self.DirectoryTextControls.append(TextControl)
        Button = wx.Button(self, -1, "...")
        self.DirectoryDotButtons.append(Button)
        self.Bind(wx.EVT_BUTTON, self.OnClick, Button)
        BoxSizer.Add(Label, 1, wx.ALIGN_CENTRE | wx.ALL, 5)
        BoxSizer.Add(TextControl, 2, wx.ALIGN_CENTRE | wx.ALL, 5)
        BoxSizer.Add(Button, 0, wx.ALIGN_CENTRE, 5)
        self.MasterSizer.Add(BoxSizer, 0, wx.GROW | wx.ALIGN_CENTER_VERTICAL | wx.ALL, 5)
    def OnClick(self, Event):
        Button = Event.GetEventObject()
        ButtonIndex = self.DirectoryDotButtons.index(Button)
        Log("button %s"%ButtonIndex)
        Label = "Choose directory for %s"%Config.DirectoryConfig.Names[ButtonIndex]
        Dialog = wx.DirDialog(self, Label, style = wx.DD_DEFAULT_STYLE | wx.DD_NEW_DIR_BUTTON)
        if Dialog.ShowModal() == wx.ID_OK:
            Path = Dialog.GetPath()
            self.Directories[ButtonIndex] = Path
            self.DirectoryTextControls[ButtonIndex].SetValue(Path)
        Dialog.Destroy() # Destroy AFTER getting the path