# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
# ##### END GPL LICENSE BLOCK #####

# <pep8 compliant>
import bpy


class NODE_HT_header(bpy.types.Header):
    bl_space_type = 'NODE_EDITOR'

    def draw(self, context):
        layout = self.layout

        snode = context.space_data

        row = layout.row(align=True)
        row.template_header()

        if context.area.show_menus:
            sub = row.row(align=True)
            sub.itemM("NODE_MT_view")
            sub.itemM("NODE_MT_select")
            sub.itemM("NODE_MT_add")
            sub.itemM("NODE_MT_node")

        row = layout.row()
        row.itemR(snode, "tree_type", text="", expand=True)

        if snode.tree_type == 'MATERIAL':
            ob = snode.id_from
            id = snode.id
            if ob:
                layout.template_ID(ob, "active_material", new="material.new")
            if id:
                layout.itemR(id, "use_nodes")

        elif snode.tree_type == 'TEXTURE':
            row.itemR(snode, "texture_type", text="", expand=True)

            id = snode.id
            id_from = snode.id_from
            if id_from:
                layout.template_ID(id_from, "active_texture", new="texture.new")
            if id:
                layout.itemR(id, "use_nodes")

        elif snode.tree_type == 'COMPOSITING':
            id = snode.id

            layout.itemR(id, "use_nodes")
            layout.itemR(id.render_data, "free_unused_nodes", text="Free Unused")
            layout.itemR(snode, "backdrop")


class NODE_MT_view(bpy.types.Menu):
    bl_label = "View"

    def draw(self, context):
        layout = self.layout
        
        layout.itemO("node.properties", icon='ICON_MENU_PANEL')
        layout.itemS()

        # layout.itemO("grease_pencil..")
        # layout.itemS()

        layout.itemO("view2d.zoom_in")
        layout.itemO("view2d.zoom_out")

        layout.itemS()

        layout.itemO("node.view_all")
        layout.itemO("screen.screen_full_area")


class NODE_MT_select(bpy.types.Menu):
    bl_label = "Select"

    def draw(self, context):
        layout = self.layout

        layout.itemO("node.select_border")

        layout.itemS()
        layout.itemO("node.select_all")
        layout.itemO("node.select_linked_from")
        layout.itemO("node.select_linked_to")


class NODE_MT_node(bpy.types.Menu):
    bl_label = "Node"

    def draw(self, context):
        layout = self.layout

        layout.itemO("tfm.translate")
        layout.itemO("tfm.resize")
        layout.itemO("tfm.rotate")

        layout.itemS()

        layout.itemO("node.duplicate")
        layout.itemO("node.delete")

        # XXX
        # layout.itemS()
        # layout.itemO("node.make_link")
        layout.itemS()
        layout.itemO("node.group_edit")
        layout.itemO("node.group_ungroup")
        layout.itemO("node.group_make")

        layout.itemS()

        layout.itemO("node.visibility_toggle")

        # XXX
        # layout.itemO("node.rename")
        # layout.itemS()
        # layout.itemO("node.show_cyclic_dependencies")

bpy.types.register(NODE_HT_header)
bpy.types.register(NODE_MT_view)
bpy.types.register(NODE_MT_select)
bpy.types.register(NODE_MT_node)