Addon Snap Utilities Line: Update to work in blender2.8

Changes:
- The operator follows the same style of the tools in the toolbar;
- Now a new "Make Line" tool appears next to "Add Cube";
- The operator only works in edit mode;
- The "create new object" option has been removed;

1 files changed, 103 insertions, 0 deletions

diff --git a/mesh_snap_utilities_line/__init__.py b/mesh_snap_utilities_line/__init__.py
new file mode 100644
index 00000000..390cbcd0
--- /dev/null
+++ b/mesh_snap_utilities_line/__init__.py
@@ -0,0 +1,103 @@
+### 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 3
+#  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, see <http://www.gnu.org/licenses/>.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# Contact for more information about the Addon:
+# Email:    germano.costa@ig.com.br
+# Twitter:  wii_mano @mano_wii
+
+bl_info = {
+    "name": "Snap_Utilities_Line",
+    "author": "Germano Cavalcante",
+    "version": (5, 8, 22),
+    "blender": (2, 80, 0),
+    "location": "View3D > TOOLS > Snap Utilities > snap utilities",
+    "description": "Extends Blender Snap controls",
+    "wiki_url" : "http://blenderartists.org/forum/showthread.php?363859-Addon-CAD-Snap-Utilities",
+    "category": "Mesh"}
+
+if "bpy" in locals():
+    import importlib
+    importlib.reload(preferences)
+    importlib.reload(ops_line)
+else:
+    from . import preferences
+    from . import ops_line
+
+import bpy
+from bpy.utils.toolsystem import ToolDef
+
+@ToolDef.from_fn
+def tool_make_line():
+    import os
+    def draw_settings(context, layout, tool):
+        addon_prefs = context.user_preferences.addons["mesh_snap_utilities_line"].preferences
+
+        layout.prop(addon_prefs, "incremental")
+        layout.prop(addon_prefs, "increments_grid")
+        if addon_prefs.increments_grid:
+            layout.prop(addon_prefs, "relative_scale")
+        layout.prop(addon_prefs, "create_face")
+        layout.prop(addon_prefs, "outer_verts")
+        #props = tool.operator_properties("mesh.snap_utilities_line")
+        #layout.prop(props, "radius")
+
+    icons_dir = os.path.join(os.path.dirname(__file__), "icons")
+
+    return dict(
+        text="Make Line",
+        description=(
+            "Make Lines\n"
+            "Connect them to split faces"
+        ),
+        icon=os.path.join(icons_dir, "ops.mesh.make_line"),
+        widget=None,
+        operator="mesh.make_line",
+        keymap=(
+            ("mesh.make_line", None, dict(type='ACTIONMOUSE', value='PRESS')),
+        ),
+        draw_settings=draw_settings,
+    )
+
+
+def get_tool_list(space_type, context_mode):
+    from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
+    cls = ToolSelectPanelHelper._tool_class_from_space_type(space_type)
+    return cls._tools[context_mode]
+
+def register():
+    bpy.utils.register_class(preferences.SnapUtilitiesLinePreferences)
+    bpy.utils.register_class(ops_line.SnapUtilitiesLine)
+
+    bpy.utils.register_tool('VIEW_3D', 'EDIT_MESH', tool_make_line)
+
+    # Move tool to after 'Add Cube'
+    tools = get_tool_list('VIEW_3D', 'EDIT_MESH')
+    for index, tool in enumerate(tools):
+        if isinstance(tool, ToolDef) and tool.text == "Add Cube":
+            break
+    tools.insert(index + 1, tools.pop(-1))
+
+def unregister():
+    bpy.utils.unregister_tool('VIEW_3D', 'EDIT_MESH', tool_make_line)
+
+    bpy.utils.unregister_class(ops_line.SnapUtilitiesLine)
+    bpy.utils.unregister_class(preferences.SnapUtilitiesLinePreferences)
+
+if __name__ == "__main__":
+    __name__ = "mesh_snap_utilities_line"
+    __package__ = "mesh_snap_utilities_line"
+    register()