--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/printrun-src/printrun/injectgcode.py	Fri Jun 03 09:16:07 2016 +0200
@@ -0,0 +1,45 @@
+# This file is part of the Printrun suite.
+#
+# Printrun 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.
+#
+# Printrun 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 Printrun.  If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+
+from .gui.widgets import MacroEditor
+
+from .utils import install_locale
+install_locale('pronterface')
+
+def injector(gcode, viz_layer, layer_idx):
+    cb = lambda toadd: inject(gcode, viz_layer, layer_idx, toadd)
+    z = gcode.all_layers[layer_idx].z
+    z = z if z is not None else 0
+    MacroEditor(_("Inject G-Code at layer %d (Z = %.03f)") % (viz_layer, z), "", cb, True)
+
+def injector_edit(gcode, viz_layer, layer_idx):
+    cb = lambda toadd: rewritelayer(gcode, viz_layer, layer_idx, toadd)
+    layer = gcode.all_layers[layer_idx]
+    z = layer.z
+    z = z if z is not None else 0
+    lines = [line.raw for line in layer]
+    MacroEditor(_("Edit G-Code of layer %d (Z = %.03f)") % (viz_layer, z), lines, cb, True)
+
+def inject(gcode, viz_layer, layer_idx, toadd):
+    # TODO: save modified gcode after injection ?
+    nlines = len(gcode.prepend_to_layer(toadd, layer_idx))
+    logging.info(_("Successfully injected %d lines at beginning of layer %d") % (nlines, viz_layer))
+
+def rewritelayer(gcode, viz_layer, layer_idx, toadd):
+    # TODO: save modified gcode after edit ?
+    nlines = len(gcode.rewrite_layer(toadd, layer_idx))
+    logging.info(_("Successfully edited layer %d (which now contains %d lines)") % (viz_layer, nlines))