"""
@package swipe.toolbars

@brief Map Swipe toolbars and icons.

Classes:
 - toolbars::SwipeMapToolbar
 - toolbars::SwipeMainToolbar
 - toolbars::SwipeMiscToolbar

(C) 2012 by the GRASS Development Team

This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.

@author Anna Kratochvilova <kratochanna gmail.com>
"""

import wx

from gui_core.toolbars import BaseToolbar, BaseIcons
from icons.icon import MetaIcon
from core.utils import _


swipeIcons = {
    'tools': MetaIcon(
        img='tools',
        label=_("Tools")),
    'quit': BaseIcons['quit'].SetLabel(
        _("Quit Map Swipe")),
    'addRast': BaseIcons['addRast'].SetLabel(
        _("Select raster maps")),
    'query': MetaIcon(
        img='info',
        label=_('Query raster/vector map(s)'),
        desc=_('Query selected raster/vector map(s)')),
}


class SwipeMapToolbar(BaseToolbar):
    """Map toolbar (to control map zoom and rendering)
    """

    def __init__(self, parent, toolSwitcher):
        """Map toolbar constructor
        """
        BaseToolbar.__init__(self, parent, toolSwitcher)

        self.InitToolbar(self._toolbarData())
        self._default = self.pan

        # realize the toolbar
        self.Realize()

        for tool in (self.pointer, self.query, self.pan,
                     self.zoomIn, self.zoomOut):
            self.toolSwitcher.AddToolToGroup(
                group='mouseUse', toolbar=self, tool=tool)

        self.EnableTool(self.zoomBack, False)

    def _toolbarData(self):
        """Returns toolbar data (name, icon, handler)"""
        # BaseIcons are a set of often used icons. It is possible
        # to reuse icons in ./trunk/gui/icons/grass or add new ones there.
        icons = BaseIcons
        return self._getToolbarData((("rendermap", icons["render"],
                                      self.parent.OnRender),
                                     ("pointer", icons["pointer"],
                                      self.parent.OnPointer,
                                      wx.ITEM_CHECK),
                                     ("query", swipeIcons["query"],
                                      self.parent.OnQuery,
                                      wx.ITEM_CHECK),
                                     ("pan", icons["pan"],
                                      self.parent.OnPan,
                                      wx.ITEM_CHECK),  # toggle tool
                                     ("zoomIn", icons["zoomIn"],
                                      self.parent.OnZoomIn,
                                      wx.ITEM_CHECK),
                                     ("zoomOut", icons["zoomOut"],
                                      self.parent.OnZoomOut,
                                      wx.ITEM_CHECK),
                                     (None, ),
                                     ("zoomBack", icons["zoomBack"],
                                      self.parent.OnZoomBack),
                                     ("zoomToMap", icons["zoomExtent"],
                                      self.parent.OnZoomToMap),
                                     (None, ),
                                     ('saveFile', icons['saveFile'],
                                      self.parent.SaveToFile),
                                     ))

    def SetActiveMap(self, index):
        """Set currently selected map.
        Unused, needed because of DoubleMapFrame API.
        """
        pass


class SwipeMainToolbar(BaseToolbar):
    """Toolbar with tools related to application functionality
    """

    def __init__(self, parent):
        """Toolbar constructor
        """
        BaseToolbar.__init__(self, parent)

        self.InitToolbar(self._toolbarData())

        # add tool to toggle active map window
        self.toggleModeId = wx.NewId()
        self.toggleMode = wx.Choice(parent=self, id=self.toggleModeId)
        for label, cdata in zip(
                [_('Swipe mode'),
                 _('Mirror mode')],
                ['swipe', 'mirror']):
            self.toggleMode.Append(label, cdata)
        self.toggleMode.SetSelection(0)
        self.toggleMode.SetSize(self.toggleMode.GetBestSize())
        self.toggleMode.Bind(
            wx.EVT_CHOICE,
            lambda event: self.parent.SetViewMode(
                self.toggleMode.GetClientData(
                    event.GetSelection())))
        self.InsertControl(3, self.toggleMode)

        help = _("Choose view mode")
        self.SetToolShortHelp(self.toggleModeId, help)
        # realize the toolbar
        self.Realize()

    def _toolbarData(self):
        """Toolbar data"""
        return self._getToolbarData((("addRaster", swipeIcons['addRast'],
                                      self.parent.OnSelectLayers),
                                     (None, ),
                                     ("tools", swipeIcons['tools'],
                                      self.OnToolMenu)
                                     ))

    def SetMode(self, mode):
        for i in range(self.toggleMode.GetCount()):
            if mode == self.toggleMode.GetClientData(i):
                self.toggleMode.SetSelection(i)

    def OnToolMenu(self, event):
        """Menu for additional tools"""
        toolMenu = wx.Menu()

        for label, itype, handler, desc in (
            (_("Switch orientation"),
             wx.ITEM_NORMAL, self.parent.OnSwitchOrientation,
             "switchOrientation"),
            (_("Switch maps"),
             wx.ITEM_NORMAL, self.parent.OnSwitchWindows, "switchMaps")):
            # Add items to the menu
            item = wx.MenuItem(parentMenu=toolMenu, id=wx.ID_ANY,
                               text=label,
                               kind=itype)
            toolMenu.AppendItem(item)
            self.parent.GetWindow().Bind(wx.EVT_MENU, handler, item)

        # Popup the menu.  If an item is selected then its handler
        # will be called before PopupMenu returns.
        self.parent.GetWindow().PopupMenu(toolMenu)
        toolMenu.Destroy()


class SwipeMiscToolbar(BaseToolbar):
    """Toolbar with miscellaneous tools related to app
    """

    def __init__(self, parent):
        """Toolbar constructor
        """
        BaseToolbar.__init__(self, parent)

        self.InitToolbar(self._toolbarData())
        # realize the toolbar
        self.Realize()

    def _toolbarData(self):
        """Toolbar data"""
        return self._getToolbarData((("settings", BaseIcons['settings'],
                                      self.parent.OnPreferences),
                                     ("help", BaseIcons['help'],
                                      self.parent.OnHelp),
                                     ("quit", swipeIcons['quit'],
                                      self.parent.OnCloseWindow),
                                     ))
