Campbell Barton
057aac553b
- 2 panels implimented in properties_render_test.xml (Render Dimensions and Stamp) - only enabled in debug mode. - poll() functions are not supported yet. - as stated above experemental, we'll see if this is at all useful, remove if not. - XML could be replaced with JSON or YAML.
152 lines
5.3 KiB
Python
152 lines
5.3 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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"""
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This module translates XML into blender/ui function calls.
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"""
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import xml.dom.minidom
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import bpy as _bpy
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def parse_rna(prop, value):
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if prop.type == 'FLOAT':
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value = float(value)
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elif prop.type == 'INT':
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value = int(value)
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elif prop.type == 'BOOLEAN':
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if value not in ("true", "false"):
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raise Exception("invalid bool value: %s", value)
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value = bool(value == "true")
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elif prop.type in ('STRING', 'ENUM'):
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pass
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elif prop.type == 'POINTER':
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value = eval("_bpy." + value)
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else:
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raise Exception("type not supported %s.%s" % (prop.identifier, prop.type))
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return value
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def parse_args(base, xml_node):
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args = {}
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rna_params = base.bl_rna.functions[xml_node.tagName].parameters
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for key, value in xml_node.attributes.items():
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args[key] = parse_rna(rna_params[key], value)
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return args
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def ui_xml(base, xml_node):
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name = xml_node.tagName
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prop = base.bl_rna.properties.get(name)
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if name in base.bl_rna.properties:
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attr = xml_node.attributes.get("expr")
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if attr:
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value = attr.value
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value = eval(value, {"context": _bpy.context})
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setattr(base, name, value)
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else:
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attr = xml_node.attributes['value']
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value = attr.value
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value = parse_rna(prop, value)
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setattr(base, name, value)
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else:
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func_new = getattr(base, name)
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kw_args = parse_args(base, xml_node)
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base_new = func_new(**kw_args) # call blender func
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if xml_node.hasChildNodes():
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ui_xml_list(base_new, xml_node.childNodes)
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def ui_xml_list(base, xml_nodes):
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import bpy
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for node in xml_nodes:
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if node.nodeType not in (node.TEXT_NODE, node.COMMENT_NODE):
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ui_xml(base, node)
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bpy.N = node
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def test(layout):
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uixml = xml.dom.minidom.parseString(open("/mnt/test/blender-svn/blender/release/scripts/ui/test.xml", 'r').read())
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panel = uixml.getElementsByTagName('panel')[0]
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ui_xml_list(layout, panel.childNodes)
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def load_xml(filepath):
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classes = []
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fn = open(filepath, 'r')
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data = fn.read()
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uixml = xml.dom.minidom.parseString(data).getElementsByTagName("ui")[0]
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fn.close()
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def draw_xml(self, context):
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node = self._xml_node.getElementsByTagName("draw")[0]
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ui_xml_list(self.layout, node.childNodes)
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def draw_header_xml(self, context):
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node = self._xml_node.getElementsByTagName("draw_header")[0]
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ui_xml_list(self.layout, node.childNodes)
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for node in uixml.childNodes:
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if node.nodeType not in (node.TEXT_NODE, node.COMMENT_NODE):
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name = node.tagName
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class_name = node.attributes["identifier"].value
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if name == "panel":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"bl_region_type": node.attributes["region_type"].value,
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"bl_space_type": node.attributes["space_type"].value,
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"bl_context": node.attributes["context"].value,
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"bl_default_closed": ((node.attributes["default_closed"].value == "true") if "default_closed" in node.attributes else False),
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"draw": draw_xml,
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"_xml_node": node
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}
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if node.getElementsByTagName("draw_header"):
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class_dict["draw_header"] = draw_header_xml
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# will register instantly
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class_new = type(class_name, (_bpy.types.Panel,), class_dict)
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elif name == "menu":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"draw": draw_xml,
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"_xml_node": node
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}
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# will register instantly
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class_new = type(class_name, (_bpy.types.Menu,), class_dict)
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elif name == "header":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"bl_space_type": node.attributes["space_type"].value,
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"draw": draw_xml,
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"_xml_node": node
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}
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# will register instantly
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class_new = type(class_name, (_bpy.types.Header,), class_dict)
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else:
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raise Exception("invalid id found '%s': expected a value in ('header', 'panel', 'menu)'" % name)
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classes.append(class_new)
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return classes
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