--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file keyframeremove.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** This package 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 package 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.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "keyframeremove.h"
+#include <synfigapp/canvasinterface.h>
+#include <synfig/valuenode_dynamiclist.h>
+#include <synfig/valuenode_animated.h>
+#include "activepointremove.h"
+#include "waypointremove.h"
+
+#include <synfigapp/general.h>
+
+#endif
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+using namespace Action;
+
+/* === M A C R O S ========================================================= */
+
+ACTION_INIT(Action::KeyframeRemove);
+ACTION_SET_NAME(Action::KeyframeRemove,"KeyframeRemove");
+ACTION_SET_LOCAL_NAME(Action::KeyframeRemove,N_("Remove Keyframe"));
+ACTION_SET_TASK(Action::KeyframeRemove,"remove");
+ACTION_SET_CATEGORY(Action::KeyframeRemove,Action::CATEGORY_KEYFRAME);
+ACTION_SET_PRIORITY(Action::KeyframeRemove,0);
+ACTION_SET_VERSION(Action::KeyframeRemove,"0.0");
+ACTION_SET_CVS_ID(Action::KeyframeRemove,"$Id$");
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Action::KeyframeRemove::KeyframeRemove()
+{
+ keyframe.set_time(Time::begin()-1);
+ set_dirty(true);
+}
+
+Action::ParamVocab
+Action::KeyframeRemove::get_param_vocab()
+{
+ ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+ ret.push_back(ParamDesc("keyframe",Param::TYPE_KEYFRAME)
+ .set_local_name(_("Keyframe"))
+ .set_desc(_("Keyframe to be removed"))
+ );
+
+ return ret;
+}
+
+bool
+Action::KeyframeRemove::is_candidate(const ParamList &x)
+{
+ return candidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::KeyframeRemove::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ if(name=="keyframe" && param.get_type()==Param::TYPE_KEYFRAME)
+ {
+ keyframe=param.get_keyframe();
+
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::KeyframeRemove::is_ready()const
+{
+ if(keyframe.get_time()==(Time::begin()-1))
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::KeyframeRemove::prepare()
+{
+ clear();
+
+ try { get_canvas()->keyframe_list().find(keyframe);}
+ catch(synfig::Exception::NotFound)
+ {
+ throw Error(_("Unable to find the given keyframe"));
+ }
+
+
+ {
+ std::vector<synfigapp::ValueDesc> value_desc_list;
+ get_canvas_interface()->find_important_value_descs(value_desc_list);
+ while(!value_desc_list.empty())
+ {
+ process_value_desc(value_desc_list.back());
+ value_desc_list.pop_back();
+ }
+ }
+}
+
+void
+Action::KeyframeRemove::process_value_desc(const synfigapp::ValueDesc& value_desc)
+{
+ const synfig::Time time(keyframe.get_time());
+
+ if(value_desc.is_value_node())
+ {
+ ValueNode::Handle value_node(value_desc.get_value_node());
+
+ // If we are a dynamic list, then we need to update the ActivePoints
+ if(ValueNode_DynamicList::Handle::cast_dynamic(value_node))
+ {
+ ValueNode_DynamicList::Handle value_node_dynamic(ValueNode_DynamicList::Handle::cast_dynamic(value_node));
+ int i;
+ for(i=0;i<value_node_dynamic->link_count();i++)
+ try
+ {
+ Activepoint activepoint;
+ activepoint=*value_node_dynamic->list[i].find(time);
+
+ synfigapp::ValueDesc value_desc(value_node_dynamic,i);
+
+ Action::Handle action(ActivepointRemove::create());
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("value_desc",value_desc);
+ action->set_param("activepoint",activepoint);
+
+ assert(action->is_ready());
+ if(!action->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+
+ add_action_front(action);
+ }
+ catch(...)
+ {
+ }
+ }
+ else if(ValueNode_Animated::Handle::cast_dynamic(value_node))
+ try
+ {
+ ValueNode_Animated::Handle value_node_animated(ValueNode_Animated::Handle::cast_dynamic(value_node));
+ Waypoint waypoint;
+ waypoint=*value_node_animated->find(time);
+ assert(waypoint.get_time()==time);
+
+ Action::Handle action(WaypointRemove::create());
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("value_node",ValueNode::Handle(value_node_animated));
+ action->set_param("waypoint",waypoint);
+
+ assert(action->is_ready());
+ if(!action->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+
+ add_action_front(action);
+ }
+ catch(...)
+ {
+ }
+ }
+}
+
+
+void
+Action::KeyframeRemove::perform()
+{
+ Action::Super::perform();
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_keyframe_removed()(keyframe);
+ }
+ else synfig::warning("CanvasInterface not set on action");
+
+ get_canvas()->keyframe_list().erase(keyframe);
+}
+
+void
+Action::KeyframeRemove::undo()
+{
+ try { get_canvas()->keyframe_list().find(keyframe.get_time()); throw Error(_("A Keyframe already exists at this point in time"));}
+ catch(synfig::Exception::NotFound) { }
+
+ try { get_canvas()->keyframe_list().find(keyframe); throw Error(_("This keyframe is already in the ValueNode"));}
+ catch(synfig::Exception::NotFound) { }
+
+ Action::Super::undo();
+
+ get_canvas()->keyframe_list().add(keyframe);
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_keyframe_added()(keyframe);
+ }
+ else synfig::warning("CanvasInterface not set on action");
+}
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