# 3D NAVIGATION TOOLBAR v1.2 - 3Dview Addon - Blender 2.5x
#
# THIS SCRIPT IS LICENSED UNDER GPL,
# please read the license block.
#
# ##### 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# contributed to by: Demohero, uriel, jbelcik, meta-androcto

bl_info = {
    "name": "3D Navigation",
    "author": "Demohero, uriel",
    "version": (1, 2, 1),
    "blender": (2, 77, 0),
    "location": "View3D > Tool Shelf > Display Tab",
    "description": "Navigate the Camera & 3D View from the Toolshelf",
    "warning": "",
    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                "Scripts/3D_interaction/3D_Navigation",
    "category": "3D View",
}

# import the basic library
import bpy

# main class of this toolbar

## re-ordered (reversed) Orbit Operators
class OrbitUpView1(bpy.types.Operator):
    bl_idname = 'opr.orbit_up_view1'
    bl_label = 'Orbit Up View'
    bl_description = 'Orbit the view towards you'

    def execute(self, context):
        bpy.ops.view3d.view_orbit(type='ORBITUP')
        return {'FINISHED'}


class OrbitLeftView1(bpy.types.Operator):
    bl_idname = 'opr.orbit_left_view1'
    bl_label = 'Orbit Left View'
    bl_description = 'Orbit the view around to your Right'

    def execute(self, context):
        bpy.ops.view3d.view_orbit(type='ORBITLEFT')
        return {'FINISHED'}


class OrbitRightView1(bpy.types.Operator):
    bl_idname = 'opr.orbit_right_view1'
    bl_label = 'Orbit Right View'
    bl_description = 'Orbit the view around to your Left'

    def execute(self, context):
        bpy.ops.view3d.view_orbit(type='ORBITRIGHT')
        return {'FINISHED'}


class OrbitDownView1(bpy.types.Operator):
    bl_idname = 'opr.orbit_down_view1'
    bl_label = 'Orbit Down View'
    bl_description = 'Orbit the view away from you'

    def execute(self, context):
        bpy.ops.view3d.view_orbit(type='ORBITDOWN')
        return {'FINISHED'}

## re-ordered (reversed) Pan Operators
class PanUpView1(bpy.types.Operator):
    bl_idname = 'opr.pan_up_view1'
    bl_label = 'Pan Up View'
    bl_description = 'Pan the view Down'

    def execute(self, context):
        bpy.ops.view3d.view_pan(type='PANUP')
        return {'FINISHED'}


class PanLeftView1(bpy.types.Operator):
    bl_idname = 'opr.pan_left_view1'
    bl_label = 'Pan Right View'
    bl_description = 'Pan the view to your Right'

    def execute(self, context):
        bpy.ops.view3d.view_pan(type='PANLEFT')
        return {'FINISHED'}


class PanRightView1(bpy.types.Operator):
    bl_idname = 'opr.pan_right_view1'
    bl_label = 'Pan Left View'
    bl_description = 'Pan the view to your Left'

    def execute(self, context):
        bpy.ops.view3d.view_pan(type='PANRIGHT')
        return {'FINISHED'}


class PanDownView1(bpy.types.Operator):
    bl_idname = 'opr.pan_down_view1'
    bl_label = 'Pan Down View'
    bl_description = 'Pan the view Up'

    def execute(self, context):
        bpy.ops.view3d.view_pan(type='PANDOWN')
        return {'FINISHED'}

## Zoom Operators
class ZoomInView1(bpy.types.Operator):
    bl_idname = 'opr.zoom_in_view1'
    bl_label = 'Zoom In View'
    bl_description = 'Zoom In the View/Camera View'

    def execute(self, context):
        bpy.ops.view3d.zoom(delta=1)
        return {'FINISHED'}


class ZoomOutView1(bpy.types.Operator):
    bl_idname = 'opr.zoom_out_view1'
    bl_label = 'Zoom Out View'
    bl_description = 'Zoom out In the View/Camera View'

    def execute(self, context):
        bpy.ops.view3d.zoom(delta=-1)
        return {'FINISHED'}

## Roll Operators
class RollLeftView1(bpy.types.Operator):
    bl_idname = 'opr.roll_left_view1'
    bl_label = 'Roll Left View'
    bl_description = 'Roll the view Left'

    def execute(self, context):
        bpy.ops.view3d.view_roll(angle=-0.261799)
        return {'FINISHED'}


class RollRightView1(bpy.types.Operator):
    bl_idname = 'opr.roll_right_view1'
    bl_label = 'Roll Right View'
    bl_description = 'Roll the view Right'

    def execute(self, context):
        bpy.ops.view3d.view_roll(angle=0.261799)
        return {'FINISHED'}

## View Operators
class LeftViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.left_viewpoint1'
    bl_label = 'Left Viewpoint'
    bl_description = 'View from the Left'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='LEFT')
        return {'FINISHED'}


class RightViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.right_viewpoint1'
    bl_label = 'Right Viewpoint'
    bl_description = 'View from the Right'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='RIGHT')
        return {'FINISHED'}


class FrontViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.front_viewpoint1'
    bl_label = 'Front Viewpoint'
    bl_description = 'View from the Front'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='FRONT')
        return {'FINISHED'}


class BackViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.back_viewpoint1'
    bl_label = 'Back Viewpoint'
    bl_description = 'View from the Back'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='BACK')
        return {'FINISHED'}


class TopViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.top_viewpoint1'
    bl_label = 'Top Viewpoint'
    bl_description = 'View from the Top'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='TOP')
        return {'FINISHED'}


class BottomViewpoint1(bpy.types.Operator):
    bl_idname = 'opr.bottom_viewpoint1'
    bl_label = 'Bottom Viewpoint'
    bl_description = 'View from the Bottom'

    def execute(self, context):
        bpy.ops.view3d.viewnumpad(type='BOTTOM')
        return {'FINISHED'}

# Panel class of this toolbar
class VIEW3D_PT_3dnavigationPanel(bpy.types.Panel):
    bl_category = "Display"
    bl_space_type = "VIEW_3D"
    bl_region_type = "TOOLS"
    bl_label = "3D Nav"

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

# Triple boutons
        col = layout.column(align=True)
        col.operator("view3d.localview", text="View Global/Local")
        col.operator("view3d.view_persportho", text="View Persp/Ortho")
        col.operator("view3d.viewnumpad", text="View Camera", icon='CAMERA_DATA').type = 'CAMERA'

# group of 6 buttons
        col = layout.column(align=True)
        col.label(text="Align view from:")
        row = col.row()
        row.operator("view3d.viewnumpad", text="Front").type = 'FRONT'
        row.operator("view3d.viewnumpad", text="Back").type = 'BACK'
        row = col.row()
        row.operator("view3d.viewnumpad", text="Left").type = 'LEFT'
        row.operator("view3d.viewnumpad", text="Right").type = 'RIGHT'
        row = col.row()
        row.operator("view3d.viewnumpad", text="Top").type = 'TOP'
        row.operator("view3d.viewnumpad", text="Bottom").type = 'BOTTOM'

# group of 2 buttons
        col = layout.column(align=True)
        col.label(text="Lock View to Object:")
        col.prop(view, "lock_object", text="")
        col.operator("view3d.view_selected", text="View to Selected")

        col = layout.column(align=True)
        col.label(text="Cursor:")
        row = col.row()
        row.operator("view3d.snap_cursor_to_center", text="Center")
        row.operator("view3d.view_center_cursor", text="View")
        col.operator("view3d.snap_cursor_to_selected", text="Cursor to Selected")


class VIEW3D_PT_pan_navigation1(bpy.types.Panel):
    bl_idname = 'pan.navigation1'
    bl_label = 'Pan Orbit Zoom Roll'
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'TOOLS'
    bl_category = 'Display'
    bl_options = {'DEFAULT_CLOSED'}

    def draw(self, context):
        layout = self.layout
        layout.label(text='Screen View Perspective')

        row = layout.row()
        row.label(text='Pan:')
        row = layout.row()
        row.operator('opr.pan_down_view1', text='Up', icon='TRIA_UP')
        row.operator('opr.pan_up_view1', text='Down', icon='TRIA_DOWN')

        row = layout.row()
        row.operator('opr.pan_right_view1', text='Left', icon='BACK')
        row.operator('opr.pan_left_view1', text='Right', icon='FORWARD')

        row = layout.row()
        row.label(text='Orbit:')
        row = layout.row()
        row.operator('opr.orbit_down_view1', text='Up', icon='TRIA_UP')
        row.operator('opr.orbit_up_view1', text='Down', icon='TRIA_DOWN')

        row = layout.row()
        row.operator('opr.orbit_right_view1', text='Left', icon='BACK')
        row.operator('opr.orbit_left_view1', text='Right', icon='FORWARD')

        row = layout.row()
        row.label(text='Zoom:')
        row = layout.row()
        row.operator('opr.zoom_in_view1', text='In', icon='ZOOMIN')
        row.operator('opr.zoom_out_view1', text='Out', icon='ZOOMOUT')

        row = layout.row()
        row.label(text='Roll:')
        row = layout.row()
        row.operator('opr.roll_left_view1', text='Left', icon='LOOP_BACK')
        row.operator('opr.roll_right_view1', text='Right', icon='LOOP_FORWARDS')

## Addons Preferences Update Panel
def update_panel(self, context):
    try:
        bpy.utils.unregister_class(VIEW3D_PT_3dnavigationPanel)
        bpy.utils.unregister_class(VIEW3D_PT_pan_navigation1)
    except:
        pass
    VIEW3D_PT_3dnavigationPanel.bl_category = context.user_preferences.addons[__name__].preferences.category
    bpy.utils.register_class(VIEW3D_PT_3dnavigationPanel)
    VIEW3D_PT_pan_navigation1.bl_category = context.user_preferences.addons[__name__].preferences.category
    bpy.utils.register_class(VIEW3D_PT_pan_navigation1)

class NavAddonPreferences(bpy.types.AddonPreferences):
    # this must match the addon name, use '__package__'
    # when defining this in a submodule of a python package.
    bl_idname = __name__

    category = bpy.props.StringProperty(
            name="Tab Category",
            description="Choose a name for the category of the panel",
            default="Display",
            update=update_panel)

    def draw(self, context):

        layout = self.layout
        row = layout.row()
        col = row.column()
        col.label(text="Tab Category:")
        col.prop(self, "category", text="")

classes = [
    VIEW3D_PT_3dnavigationPanel,
    VIEW3D_PT_pan_navigation1,
    OrbitUpView1,
    OrbitLeftView1,
    OrbitRightView1,
    OrbitDownView1,
    PanUpView1,
    PanLeftView1,
    PanRightView1,
    PanDownView1,
    ZoomInView1,
    ZoomOutView1,
    RollLeftView1,
    RollRightView1,
    LeftViewpoint1,
    RightViewpoint1,
    FrontViewpoint1,
    BackViewpoint1,
    TopViewpoint1,
    BottomViewpoint1,
    NavAddonPreferences,
]

# register the class

def register():
    for cls in classes:
        bpy.utils.register_class(cls)
    update_panel(None, bpy.context)
def unregister():
    for cls in classes:
        bpy.utils.unregister_class(cls)

if __name__ == "__main__":
    register()
