New remove current palette feature

Translations/Translations.pot

@@ -1149,3 +1149,15 @@ msgstr ""
 
 msgid "Backup reloaded"
 msgstr ""
+
+msgid "Remove currently selected palette"
+msgstr ""
+
+msgid "You can't remove more palettes!"
+msgstr ""
+
+msgid "Cannot remove the palette, because it doesn't exist!"
+msgstr ""
+
+msgid "An error occured while removing the palette! Error code: %s"
+msgstr ""

assets/graphics/dark_themes/palette/remove_palette.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/remove_palette.png-7e8aecee96680faa3c0f5a841f893394.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/graphics/dark_themes/palette/remove_palette.png"
+dest_files=[ "res://.import/remove_palette.png-7e8aecee96680faa3c0f5a841f893394.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

assets/graphics/light_themes/palette/remove_palette.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/remove_palette.png-d2a7982e1ea82bf8f92fd57b586aab4e.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/graphics/light_themes/palette/remove_palette.png"
+dest_files=[ "res://.import/remove_palette.png-d2a7982e1ea82bf8f92fd57b586aab4e.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

src/Palette/Palette.gd

@@ -3,6 +3,8 @@ extends Reference
 
 
 var name : String = "Custom_Palette"
+# Its purpose is to store pallete source path to enable removing it in the future.
+var source_path : String
 var colors : Array = []
 var comments : String = ""
 var editable : bool = true
@@ -93,6 +95,7 @@ func save_to_file(path : String) -> void:
 	file.open(path, File.WRITE)
 	file.store_string(_serialize())
 	file.close()
+	source_path = path
 
 
 func duplicate(): # -> Palette
@@ -155,7 +158,13 @@ func load_from_file(path : String): # -> Palette
 
 		var text : String = file.get_as_text()
 		result = deserialize(text)
+		result.source_path = path
 
 		file.close()
 
 	return result
+
+
+func remove_file() -> int:
+	var dir = Directory.new()
+	return dir.remove(source_path)

src/Palette/PaletteContainer.gd

@@ -142,7 +142,8 @@ func on_edit_palette() -> void:
 
 func _on_PaletteOptionButton_item_selected(ID : int) -> void:
 	var palette_name = Global.palette_option_button.get_item_metadata(ID)
-	on_palette_select(palette_name)
+	if palette_name != null:
+		on_palette_select(palette_name)
 
 
 func _display_palette(palette : Palette) -> void:
@@ -191,6 +192,11 @@ func _load_palettes() -> void:
 				var index: int = Global.palette_option_button.get_item_count() - 1
 				Global.palette_option_button.set_item_metadata(index, palette.name)
 				if palette.name == "Default":
+					# You need these two lines because when you remove a palette
+					# Then this just won't work and _on_PaletteOptionButton_item_selected
+					# method won't fire.
+					Global.palette_option_button.selected
+					on_palette_select("Default")
 					Global.palette_option_button.select(index)
 
 	if not "Default" in Global.palettes && Global.palettes.size() > 0:
@@ -264,6 +270,30 @@ func get_best_palette_file_location(looking_paths: Array, fname: String):  # ->
 	return null
 
 
+func remove_palette(palette_name : String) -> void:
+	# Don't allow user to remove palette if there is no one left
+	if Global.palettes.size() < 2:
+		get_node('/root/Control/CantRemoveMorePalettesDialog').popup_centered()
+		return
+	# Don't allow user to try to remove not existing palettes
+	if not palette_name in Global.palettes:
+		get_node('/root/Control/PaletteDoesntExistDialog').popup_centered()
+		return
+	Global.directory_module.ensure_xdg_user_dirs_exist()
+	var palette = Global.palettes[palette_name]
+	var result = palette.remove_file()
+	# Inform user if pallete hasn't been removed from disk because of an error
+	if result != OK:
+		get_node('/root/Control/PaletteRemoveErrorDialog').dialog_text %= str(result)
+		get_node('/root/Control/PaletteRemoveErrorDialog').popup_centered()
+	# Remove palette in the program anyway, because if you don't do it
+	# then Pixelorama will crash
+	Global.palettes.erase(palette_name)
+	Global.palette_option_button.clear()
+	current_palette = "Default"
+	_load_palettes()
+
+
 func save_palette(palette_name : String, filename : String) -> void:
 	Global.directory_module.ensure_xdg_user_dirs_exist()
 	var palette = Global.palettes[palette_name]
@@ -273,3 +303,7 @@ func save_palette(palette_name : String, filename : String) -> void:
 
 func _on_NewPaletteDialog_popup_hide() -> void:
 	Global.dialog_open(false)
+
+
+func _on_RemovePalette_pressed():
+	remove_palette(current_palette)

src/UI/Dialogs/CantRemoveMorePalettesDialog.tscn

@@ -0,0 +1,5 @@
+[gd_scene format=2]
+
+[node name="CantRemoveMorePalettesDialog" type="AcceptDialog"]
+window_title = "Alarm!"
+dialog_text = "You can't remove more palettes!"

src/UI/Dialogs/PaletteDoesntExistDialog.tscn

@@ -0,0 +1,5 @@
+[gd_scene format=2]
+
+[node name="PaletteDoesntExistDialog" type="AcceptDialog"]
+window_title = "Alarm!"
+dialog_text = "Cannot remove the palette, because it doesn't exist!"

src/UI/Dialogs/PaletteRemoveErrorDialog.tscn

@@ -0,0 +1,7 @@
+[gd_scene format=2]
+
+[node name="PaletteRemoveErrorDialog" type="AcceptDialog"]
+margin_right = 90.0
+margin_bottom = 58.0
+window_title = "Alarm!"
+dialog_text = "An error occured while removing the palette! Error code: %s"