From eded06166860b3c052310cc8db28cc080655b510 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sat, 19 May 2018 16:09:38 -0300
Subject: Dictionary editing does the comeback to the inspector, fixes #19046

---
 editor/editor_inspector.cpp             |  18 +-
 editor/editor_inspector.h               |   5 +
 editor/editor_properties.cpp            |  35 ++-
 editor/editor_properties.h              |   9 +
 editor/editor_properties_array_dict.cpp | 477 ++++++++++++++++++++++++++++++++
 editor/editor_properties_array_dict.h   |  57 ++++
 6 files changed, 598 insertions(+), 3 deletions(-)
 create mode 100644 editor/editor_properties_array_dict.cpp
 create mode 100644 editor/editor_properties_array_dict.h

diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index c2d2f7ddcc..f94b7cd6ee 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -520,6 +520,8 @@ bool EditorProperty::is_draw_red() const {
 
 void EditorProperty::_focusable_focused(int p_index) {
 
+	if (!selectable)
+		return;
 	bool already_selected = selected;
 	selected = true;
 	selected_focusable = p_index;
@@ -596,7 +598,7 @@ void EditorProperty::_gui_input(const Ref<InputEvent> &p_event) {
 
 	if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
 
-		if (!selected) {
+		if (!selected && selectable) {
 			selected = true;
 			emit_signal("selected", property, -1);
 			update();
@@ -681,6 +683,19 @@ void EditorProperty::expand_all_folding() {
 void EditorProperty::collapse_all_folding() {
 }
 
+void EditorProperty::set_selectable(bool p_selectable) {
+	selectable = p_selectable;
+}
+
+bool EditorProperty::is_selectable() const {
+	return selectable;
+}
+
+void EditorProperty::set_object_and_property(Object *p_object, const StringName &p_property) {
+	object = p_object;
+	property = p_property;
+}
+
 void EditorProperty::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_label", "text"), &EditorProperty::set_label);
@@ -729,6 +744,7 @@ void EditorProperty::_bind_methods() {
 
 EditorProperty::EditorProperty() {
 
+	selectable = true;
 	text_size = 0;
 	read_only = false;
 	checkable = false;
diff --git a/editor/editor_inspector.h b/editor/editor_inspector.h
index 14387c46df..a6b183799f 100644
--- a/editor/editor_inspector.h
+++ b/editor/editor_inspector.h
@@ -72,6 +72,7 @@ private:
 	bool _get_instanced_node_original_property(const StringName &p_prop, Variant &value);
 	void _focusable_focused(int p_index);
 
+	bool selectable;
 	bool selected;
 	int selected_focusable;
 
@@ -130,6 +131,10 @@ public:
 
 	virtual Variant get_drag_data(const Point2 &p_point);
 
+	void set_selectable(bool p_selectable);
+	bool is_selectable() const;
+
+	void set_object_and_property(Object *p_object, const StringName &p_property);
 	EditorProperty();
 };
 
diff --git a/editor/editor_properties.cpp b/editor/editor_properties.cpp
index 812e461a14..45e0df7ed1 100644
--- a/editor/editor_properties.cpp
+++ b/editor/editor_properties.cpp
@@ -31,7 +31,20 @@
 #include "editor_properties.h"
 #include "editor/editor_resource_preview.h"
 #include "editor_node.h"
+#include "editor_properties_array_dict.h"
 #include "scene/main/viewport.h"
+
+///////////////////// NULL /////////////////////////
+
+void EditorPropertyNil::update_property() {
+}
+
+EditorPropertyNil::EditorPropertyNil() {
+	Label *label = memnew(Label);
+	label->set_text("[null]");
+	add_child(label);
+}
+
 ///////////////////// TEXT /////////////////////////
 void EditorPropertyText::_text_changed(const String &p_string) {
 	if (updating)
@@ -2273,6 +2286,10 @@ bool EditorInspectorDefaultPlugin::parse_property(Object *p_object, Variant::Typ
 	switch (p_type) {
 
 		// atomic types
+		case Variant::NIL: {
+			EditorPropertyNil *editor = memnew(EditorPropertyNil);
+			add_property_editor(p_path, editor);
+		} break;
 		case Variant::BOOL: {
 			EditorPropertyCheck *editor = memnew(EditorPropertyCheck);
 			add_property_editor(p_path, editor);
@@ -2633,22 +2650,36 @@ bool EditorInspectorDefaultPlugin::parse_property(Object *p_object, Variant::Typ
 		case Variant::DICTIONARY: {
 		} break;
 		case Variant::ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
-
-		// arrays
 		case Variant::POOL_BYTE_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break; // 20
 		case Variant::POOL_INT_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
 		case Variant::POOL_REAL_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
 		case Variant::POOL_STRING_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
 		case Variant::POOL_VECTOR2_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
 		case Variant::POOL_VECTOR3_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break; // 25
 		case Variant::POOL_COLOR_ARRAY: {
+			EditorPropertyArray *editor = memnew(EditorPropertyArray);
+			add_property_editor(p_path, editor);
 		} break;
 		default: {}
 	}
diff --git a/editor/editor_properties.h b/editor/editor_properties.h
index 19884cc9dc..03e72b4ec2 100644
--- a/editor/editor_properties.h
+++ b/editor/editor_properties.h
@@ -39,6 +39,15 @@
 #include "editor/scene_tree_editor.h"
 #include "scene/gui/color_picker.h"
 
+class EditorPropertyNil : public EditorProperty {
+	GDCLASS(EditorPropertyNil, EditorProperty)
+	LineEdit *text;
+
+public:
+	virtual void update_property();
+	EditorPropertyNil();
+};
+
 class EditorPropertyText : public EditorProperty {
 	GDCLASS(EditorPropertyText, EditorProperty)
 	LineEdit *text;
diff --git a/editor/editor_properties_array_dict.cpp b/editor/editor_properties_array_dict.cpp
new file mode 100644
index 0000000000..f8f69ea25a
--- /dev/null
+++ b/editor/editor_properties_array_dict.cpp
@@ -0,0 +1,477 @@
+#include "editor_properties_array_dict.h"
+#include "editor_properties.h"
+#define ITEMS_PER_PAGE 100
+
+bool EditorPropertyArrayObject::_set(const StringName &p_name, const Variant &p_value) {
+
+	String pn = p_name;
+
+	if (pn.begins_with("indices")) {
+		int idx = pn.get_slicec('/', 1).to_int();
+		array.set(idx, p_value);
+		return true;
+	}
+
+	return false;
+}
+
+bool EditorPropertyArrayObject::_get(const StringName &p_name, Variant &r_ret) const {
+
+	String pn = p_name;
+
+	if (pn.begins_with("indices")) {
+
+		int idx = pn.get_slicec('/', 1).to_int();
+		bool valid;
+		r_ret = array.get(idx, &valid);
+		return valid;
+	}
+
+	return false;
+}
+
+void EditorPropertyArrayObject::set_array(const Variant &p_array) {
+	array = p_array;
+}
+
+Variant EditorPropertyArrayObject::get_array() {
+	return array;
+}
+
+EditorPropertyArrayObject::EditorPropertyArrayObject() {
+}
+
+/////////////////////
+
+void EditorPropertyArray::_property_changed(const String &p_prop, Variant p_value) {
+
+	if (p_prop.begins_with("indices")) {
+		int idx = p_prop.get_slice("/", 1).to_int();
+		Variant array = object->get_array();
+		array.set(idx, p_value);
+		emit_signal("property_changed", get_edited_property(), array);
+
+		if (array.get_type() == Variant::ARRAY) {
+			array = array.call("duplicate"); //dupe, so undo/redo works better
+		}
+		object->set_array(array);
+	}
+}
+
+void EditorPropertyArray::_change_type(Object *p_button, int p_index) {
+
+	Button *button = Object::cast_to<Button>(p_button);
+
+	Rect2 rect = button->get_global_rect();
+	change_type->set_as_minsize();
+	change_type->set_global_position(rect.position + rect.size - Vector2(change_type->get_combined_minimum_size().x, 0));
+	change_type->popup();
+	changing_type_idx = p_index;
+}
+
+void EditorPropertyArray::_change_type_menu(int p_index) {
+
+	Variant value;
+	Variant::CallError ce;
+	value = Variant::construct(Variant::Type(p_index), NULL, 0, ce);
+	Variant array = object->get_array();
+	array.set(changing_type_idx, value);
+
+	emit_signal("property_changed", get_edited_property(), array);
+
+	if (array.get_type() == Variant::ARRAY) {
+		array = array.call("duplicate"); //dupe, so undo/redo works better
+	}
+	object->set_array(array);
+	update_property();
+}
+
+void EditorPropertyArray::update_property() {
+
+	Variant array = get_edited_object()->get(get_edited_property());
+
+	if ((!array.is_array()) != edit->is_disabled()) {
+
+		if (array.is_array()) {
+			edit->set_disabled(false);
+			edit->set_pressed(false);
+
+		} else {
+			edit->set_disabled(true);
+			if (vbox) {
+				memdelete(vbox);
+			}
+		}
+	}
+
+	if (!array.is_array()) {
+		return;
+	}
+
+	String arrtype;
+	switch (array.get_type()) {
+		case Variant::ARRAY: {
+
+			arrtype = "Array";
+
+		} break;
+
+		// arrays
+		case Variant::POOL_BYTE_ARRAY: {
+			arrtype = "ByteArray";
+
+		} break;
+		case Variant::POOL_INT_ARRAY: {
+			arrtype = "IntArray";
+
+		} break;
+		case Variant::POOL_REAL_ARRAY: {
+
+			arrtype = "FltArray";
+		} break;
+		case Variant::POOL_STRING_ARRAY: {
+
+			arrtype = "StrArray";
+		} break;
+		case Variant::POOL_VECTOR2_ARRAY: {
+
+			arrtype = "Vec2Array";
+		} break;
+		case Variant::POOL_VECTOR3_ARRAY: {
+			arrtype = "Vec3Array";
+
+		} break;
+		case Variant::POOL_COLOR_ARRAY: {
+			arrtype = "ColArray";
+		} break;
+	}
+
+	edit->set_text(arrtype + "[" + itos(array.call("size")) + "]");
+
+#ifdef TOOLS_ENABLED
+
+	bool unfolded = get_edited_object()->editor_is_section_unfolded(get_edited_property());
+	if (edit->is_pressed() != unfolded) {
+		edit->set_pressed(unfolded);
+	}
+
+	if (unfolded) {
+
+		updating = true;
+
+		if (!vbox) {
+
+			vbox = memnew(VBoxContainer);
+			add_child(vbox);
+			set_bottom_editor(vbox);
+			HBoxContainer *hbc = memnew(HBoxContainer);
+			vbox->add_child(hbc);
+			Label *label = memnew(Label(TTR("Size: ")));
+			label->set_h_size_flags(SIZE_EXPAND_FILL);
+			hbc->add_child(label);
+			length = memnew(EditorSpinSlider);
+			length->set_step(1);
+			length->set_max(1000000);
+			length->set_h_size_flags(SIZE_EXPAND_FILL);
+			hbc->add_child(length);
+			length->connect("value_changed", this, "_length_changed");
+
+			page_hb = memnew(HBoxContainer);
+			vbox->add_child(page_hb);
+			label = memnew(Label(TTR("Page: ")));
+			label->set_h_size_flags(SIZE_EXPAND_FILL);
+			page_hb->add_child(label);
+			page = memnew(EditorSpinSlider);
+			page->set_step(1);
+			page_hb->add_child(page);
+			page->set_h_size_flags(SIZE_EXPAND_FILL);
+			page->connect("value_changed", this, "_page_changed");
+		} else {
+			//bye bye children of the box
+			while (vbox->get_child_count() > 2) {
+				memdelete(vbox->get_child(2));
+			}
+		}
+
+		int len = array.call("size");
+
+		length->set_value(len);
+
+		int pages = MAX(0, len - 1) / page_len + 1;
+
+		page->set_max(pages);
+		page_idx = MIN(page_idx, pages - 1);
+		page->set_value(page_idx);
+		page_hb->set_visible(pages > 1);
+
+		int offset = page_idx * page_len;
+
+		int amount = MIN(len - offset, page_len);
+
+		if (array.get_type() == Variant::ARRAY) {
+			array = array.call("duplicate");
+		}
+
+		object->set_array(array);
+
+		for (int i = 0; i < amount; i++) {
+			String prop_name = "indices/" + itos(i + offset);
+
+			EditorProperty *prop = NULL;
+			Variant value = array.get(i + offset);
+
+			switch (value.get_type()) {
+				case Variant::NIL: {
+					prop = memnew(EditorPropertyNil);
+
+				} break;
+
+				// atomic types
+				case Variant::BOOL: {
+
+					prop = memnew(EditorPropertyCheck);
+
+				} break;
+				case Variant::INT: {
+					EditorPropertyInteger *ed = memnew(EditorPropertyInteger);
+					ed->setup(-100000, 100000, true, true);
+					prop = ed;
+
+				} break;
+				case Variant::REAL: {
+
+					EditorPropertyFloat *ed = memnew(EditorPropertyFloat);
+					ed->setup(-100000, 100000, 0.001, true, false, true, true);
+					prop = ed;
+				} break;
+				case Variant::STRING: {
+
+					prop = memnew(EditorPropertyText);
+
+				} break;
+
+					// math types
+
+				case Variant::VECTOR2: {
+
+					EditorPropertyVector2 *ed = memnew(EditorPropertyVector2);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::RECT2: {
+
+					EditorPropertyRect2 *ed = memnew(EditorPropertyRect2);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::VECTOR3: {
+
+					EditorPropertyVector3 *ed = memnew(EditorPropertyVector3);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::TRANSFORM2D: {
+
+					EditorPropertyTransform2D *ed = memnew(EditorPropertyTransform2D);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::PLANE: {
+
+					EditorPropertyPlane *ed = memnew(EditorPropertyPlane);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::QUAT: {
+
+					EditorPropertyQuat *ed = memnew(EditorPropertyQuat);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::AABB: {
+
+					EditorPropertyAABB *ed = memnew(EditorPropertyAABB);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::BASIS: {
+					EditorPropertyBasis *ed = memnew(EditorPropertyBasis);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+				case Variant::TRANSFORM: {
+					EditorPropertyTransform *ed = memnew(EditorPropertyTransform);
+					ed->setup(-100000, 100000, 0.001, true);
+					prop = ed;
+
+				} break;
+
+				// misc types
+				case Variant::COLOR: {
+					prop = memnew(EditorPropertyColor);
+
+				} break;
+				case Variant::NODE_PATH: {
+					prop = memnew(EditorPropertyNodePath);
+
+				} break;
+				case Variant::_RID: {
+					prop = memnew(EditorPropertyNil);
+
+				} break;
+				case Variant::OBJECT: {
+
+					prop = memnew(EditorPropertyResource);
+
+				} break;
+				case Variant::DICTIONARY: {
+					prop = memnew(EditorPropertyNil);
+
+				} break;
+				case Variant::ARRAY: {
+
+					prop = memnew(EditorPropertyArray);
+
+				} break;
+
+				// arrays
+				case Variant::POOL_BYTE_ARRAY: {
+					prop = memnew(EditorPropertyArray);
+
+				} break;
+				case Variant::POOL_INT_ARRAY: {
+					prop = memnew(EditorPropertyArray);
+
+				} break;
+				case Variant::POOL_REAL_ARRAY: {
+
+					prop = memnew(EditorPropertyArray);
+				} break;
+				case Variant::POOL_STRING_ARRAY: {
+
+					prop = memnew(EditorPropertyArray);
+				} break;
+				case Variant::POOL_VECTOR2_ARRAY: {
+
+					prop = memnew(EditorPropertyArray);
+				} break;
+				case Variant::POOL_VECTOR3_ARRAY: {
+					prop = memnew(EditorPropertyArray);
+
+				} break;
+				case Variant::POOL_COLOR_ARRAY: {
+					prop = memnew(EditorPropertyArray);
+
+				} break;
+				default: {}
+			}
+
+			prop->set_object_and_property(object.ptr(), prop_name);
+			prop->set_label(itos(i + offset));
+			prop->set_selectable(false);
+			prop->connect("property_changed", this, "_property_changed");
+			if (array.get_type() == Variant::ARRAY) {
+				HBoxContainer *hb = memnew(HBoxContainer);
+				vbox->add_child(hb);
+				hb->add_child(prop);
+				prop->set_h_size_flags(SIZE_EXPAND_FILL);
+				Button *edit = memnew(Button);
+				edit->set_icon(get_icon("Edit", "EditorIcons"));
+				hb->add_child(edit);
+				edit->connect("pressed", this, "_change_type", varray(edit, i + offset));
+			} else {
+				vbox->add_child(prop);
+			}
+
+			prop->update_property();
+		}
+
+		updating = false;
+
+	} else {
+		if (vbox) {
+			set_bottom_editor(NULL);
+			memdelete(vbox);
+			vbox = NULL;
+		}
+	}
+#endif
+}
+
+void EditorPropertyArray::_notification(int p_what) {
+
+	if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
+	}
+}
+void EditorPropertyArray::_edit_pressed() {
+
+	get_edited_object()->editor_set_section_unfold(get_edited_property(), edit->is_pressed());
+	update_property();
+}
+
+void EditorPropertyArray::_page_changed(double p_page) {
+	if (updating)
+		return;
+	page_idx = p_page;
+	update_property();
+}
+
+void EditorPropertyArray::_length_changed(double p_page) {
+	if (updating)
+		return;
+
+	Variant array = object->get_array();
+	array.call("resize", int(p_page));
+	emit_signal("property_changed", get_edited_property(), array);
+
+	if (array.get_type() == Variant::ARRAY) {
+		array = array.call("duplicate"); //dupe, so undo/redo works better
+	}
+	object->set_array(array);
+	update_property();
+}
+
+void EditorPropertyArray::_bind_methods() {
+	ClassDB::bind_method("_edit_pressed", &EditorPropertyArray::_edit_pressed);
+	ClassDB::bind_method("_page_changed", &EditorPropertyArray::_page_changed);
+	ClassDB::bind_method("_length_changed", &EditorPropertyArray::_length_changed);
+	ClassDB::bind_method("_property_changed", &EditorPropertyArray::_property_changed);
+	ClassDB::bind_method("_change_type", &EditorPropertyArray::_change_type);
+	ClassDB::bind_method("_change_type_menu", &EditorPropertyArray::_change_type_menu);
+}
+
+EditorPropertyArray::EditorPropertyArray() {
+
+	object.instance();
+	page_idx = 0;
+	page_len = 10;
+	edit = memnew(Button);
+	edit->set_flat(true);
+	edit->set_h_size_flags(SIZE_EXPAND_FILL);
+	edit->set_clip_text(true);
+	edit->connect("pressed", this, "_edit_pressed");
+	edit->set_toggle_mode(true);
+	add_child(edit);
+	add_focusable(edit);
+	vbox = NULL;
+	page = NULL;
+	length = NULL;
+	updating = false;
+	change_type = memnew(PopupMenu);
+	add_child(change_type);
+	change_type->connect("id_pressed", this, "_change_type_menu");
+	changing_type_idx = -1;
+	for (int i = 0; i < Variant::VARIANT_MAX; i++) {
+		String type = Variant::get_type_name(Variant::Type(i));
+		change_type->add_item(type, i);
+	}
+	changing_type_idx = -1;
+}
diff --git a/editor/editor_properties_array_dict.h b/editor/editor_properties_array_dict.h
new file mode 100644
index 0000000000..21dc5c2d70
--- /dev/null
+++ b/editor/editor_properties_array_dict.h
@@ -0,0 +1,57 @@
+#ifndef EDITOR_PROPERTIES_ARRAY_DICT_H
+#define EDITOR_PROPERTIES_ARRAY_DICT_H
+
+#include "editor/editor_inspector.h"
+#include "editor/editor_spin_slider.h"
+#include "scene/gui/button.h"
+
+class EditorPropertyArrayObject : public Reference {
+
+	GDCLASS(EditorPropertyArrayObject, Reference);
+
+	Variant array;
+
+protected:
+	bool _set(const StringName &p_name, const Variant &p_value);
+	bool _get(const StringName &p_name, Variant &r_ret) const;
+
+public:
+	void set_array(const Variant &p_array);
+	Variant get_array();
+
+	EditorPropertyArrayObject();
+};
+
+class EditorPropertyArray : public EditorProperty {
+	GDCLASS(EditorPropertyArray, EditorProperty)
+
+	PopupMenu *change_type;
+	bool updating;
+
+	Ref<EditorPropertyArrayObject> object;
+	int page_len;
+	int page_idx;
+	int changing_type_idx;
+	Button *edit;
+	VBoxContainer *vbox;
+	EditorSpinSlider *length;
+	EditorSpinSlider *page;
+	HBoxContainer *page_hb;
+
+	void _page_changed(double p_page);
+	void _length_changed(double p_page);
+	void _edit_pressed();
+	void _property_changed(const String &p_prop, Variant p_value);
+	void _change_type(Object *p_button, int p_index);
+	void _change_type_menu(int p_index);
+
+protected:
+	static void _bind_methods();
+	void _notification(int p_what);
+
+public:
+	virtual void update_property();
+	EditorPropertyArray();
+};
+
+#endif // EDITOR_PROPERTIES_ARRAY_DICT_H
-- 
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