Ability to edit all kinds of arrays from the property editor.

Yes, I'm trying to convince you to test the alpha release by adding all these now :)

tools/editor/array_property_edit.cpp

@@ -0,0 +1,224 @@
+#include "array_property_edit.h"
+
+#include "editor_node.h"
+
+#define ITEMS_PER_PAGE 100
+
+Variant ArrayPropertyEdit::get_array() const{
+
+	Object*o = ObjectDB::get_instance(obj);
+	if (!o)
+		return Array();
+	return o->get(property);
+}
+
+void ArrayPropertyEdit::_notif_change() {
+	_change_notify();
+}
+void ArrayPropertyEdit::_notif_changev(const String& p_v) {
+
+	_change_notify(p_v.utf8().get_data());
+}
+
+void ArrayPropertyEdit::_set_size(int p_size) {
+
+	Variant arr = get_array();
+	arr.call("resize",p_size);
+	Object*o = ObjectDB::get_instance(obj);
+	if (!o)
+		return;
+
+	o->set(property,arr);
+
+}
+
+void ArrayPropertyEdit::_set_value(int p_idx,const Variant& p_value) {
+
+	Variant arr = get_array();
+	arr.set(p_idx,p_value);
+	Object*o = ObjectDB::get_instance(obj);
+	if (!o)
+		return;
+
+	o->set(property,arr);
+}
+
+bool ArrayPropertyEdit::_set(const StringName& p_name, const Variant& p_value){
+
+	String pn=p_name;
+
+	if (pn.begins_with("array/")) {
+
+		if (pn=="array/size") {
+
+			Variant arr = get_array();
+			int size = arr.call("size");
+
+			int newsize=p_value;
+			if (newsize==size)
+				return true;
+
+			UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+			ur->create_action("Resize Array");
+			ur->add_do_method(this,"_set_size",newsize);
+			ur->add_undo_method(this,"_set_size",size);
+			if (newsize<size) {
+				for(int i=newsize;i<size;i++) {
+					ur->add_undo_method(this,"_set_value",i,arr.get(i));
+
+				}
+			}
+			ur->add_do_method(this,"_notif_change");
+			ur->add_undo_method(this,"_notif_change");
+			ur->commit_action();
+			return true;
+		}
+		if (pn=="array/page") {
+			page=p_value;
+			_change_notify();
+			return true;
+		}
+	} else if (pn.begins_with("indices")) {
+
+		if (pn.find("_")!=-1) {
+			//type
+			int idx=pn.get_slicec('/',1).get_slicec('_',0).to_int();
+
+			int type = p_value;
+
+			Variant arr = get_array();
+
+			Variant value = arr.get(idx);
+			if (value.get_type()!=type && type>=0 && type<Variant::VARIANT_MAX) {
+				Variant::CallError ce;
+				Variant new_value=Variant::construct(Variant::Type(type),NULL,0,ce);
+				UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+
+				ur->create_action("Change Array Value Type");
+				ur->add_do_method(this,"_set_value",idx,new_value);
+				ur->add_undo_method(this,"_set_value",idx,value);
+				ur->add_do_method(this,"_notif_change");
+				ur->add_undo_method(this,"_notif_change");
+				ur->commit_action();
+
+			}
+			return true;
+
+		} else {
+			int idx=pn.get_slicec('/',1).to_int();
+			Variant arr = get_array();
+
+			Variant value = arr.get(idx);
+			UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+
+			ur->create_action("Change Array Value");
+			ur->add_do_method(this,"_set_value",idx,p_value);
+			ur->add_undo_method(this,"_set_value",idx,value);
+			ur->add_do_method(this,"_notif_changev",p_name);
+			ur->add_undo_method(this,"_notif_changev",p_name);
+			ur->commit_action();
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool ArrayPropertyEdit::_get(const StringName& p_name,Variant &r_ret) const {
+
+	Variant arr = get_array();
+	//int size = arr.call("size");
+
+	String pn=p_name;
+	if (pn.begins_with("array/")) {
+
+		if (pn=="array/size") {
+			r_ret=arr.call("size");
+			return true;
+		}
+		if (pn=="array/page") {
+			r_ret=page;
+			return true;
+		}
+	} else if (pn.begins_with("indices")) {
+
+		if (pn.find("_")!=-1) {
+			//type
+			int idx=pn.get_slicec('/',1).get_slicec('_',0).to_int();
+			bool valid;
+			r_ret=arr.get(idx,&valid);
+			if (valid)
+				r_ret=r_ret.get_type();
+			return valid;
+
+		} else {
+			int idx=pn.get_slicec('/',1).to_int();
+			bool valid;
+			r_ret=arr.get(idx,&valid);
+			return valid;
+		}
+	}
+
+	return false;
+}
+
+void ArrayPropertyEdit::_get_property_list( List<PropertyInfo> *p_list) const{
+
+	Variant arr = get_array();
+	int size = arr.call("size");
+
+	p_list->push_back( PropertyInfo(Variant::INT,"array/size",PROPERTY_HINT_RANGE,"0,100000,1") );
+	int pages = size/ITEMS_PER_PAGE;
+	if (pages>0)
+		p_list->push_back( PropertyInfo(Variant::INT,"array/page",PROPERTY_HINT_RANGE,"0,"+itos(pages)+",1") );
+
+	int offset=page*ITEMS_PER_PAGE;
+
+	int items=MIN(size-offset,ITEMS_PER_PAGE);
+
+
+	for(int i=0;i<items;i++) {
+
+		Variant v=arr.get(i+offset);
+		if (arr.get_type()==Variant::ARRAY) {
+			p_list->push_back(PropertyInfo(Variant::INT,"indices/"+itos(i+offset)+"_type",PROPERTY_HINT_ENUM,vtypes));
+		}
+		if (arr.get_type()!=Variant::ARRAY || v.get_type()!=Variant::NIL) {
+			PropertyInfo pi(v.get_type(),"indices/"+itos(i+offset));
+			if (v.get_type()==Variant::OBJECT) {
+				pi.hint=PROPERTY_HINT_RESOURCE_TYPE;
+				pi.hint_string="Resource";
+			}
+			p_list->push_back(pi);
+		}
+	}
+
+}
+
+void ArrayPropertyEdit::edit(Object* p_obj,const StringName& p_prop) {
+
+	page=0;
+	property=p_prop;
+	obj=p_obj->get_instance_ID();
+
+}
+
+void ArrayPropertyEdit::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("_set_size"),&ArrayPropertyEdit::_set_size);
+	ObjectTypeDB::bind_method(_MD("_set_value"),&ArrayPropertyEdit::_set_value);
+	ObjectTypeDB::bind_method(_MD("_notif_change"),&ArrayPropertyEdit::_notif_change);
+	ObjectTypeDB::bind_method(_MD("_notif_changev"),&ArrayPropertyEdit::_notif_changev);
+}
+
+ArrayPropertyEdit::ArrayPropertyEdit()
+{
+	page=0;
+	for(int i=0;i<Variant::VARIANT_MAX;i++) {
+
+		if (i>0)
+			vtypes+=",";
+		vtypes+=Variant::get_type_name( Variant::Type(i) );
+	}
+
+}