feat: add new input type - SliderComponent + tests (#4144)

src/backend/base/langflow/inputs/__init__.py

@@ -19,6 +19,7 @@ from .inputs import (
     NestedDictInput,
     PromptInput,
     SecretStrInput,
+    SliderInput,
     StrInput,
     TableInput,
 )
@@ -46,4 +47,8 @@ __all__ = [
     "SecretStrInput",
     "StrInput",
     "TableInput",
+    "Input",
+    "DefaultPromptField",
+    "LinkInput",
+    "SliderInput",
 ]

src/backend/base/langflow/inputs/input_mixin.py

@@ -29,6 +29,7 @@ class FieldTypes(str, Enum):
     OTHER = "other"
     TABLE = "table"
     LINK = "link"
+    SLIDER = "slider"
 
 
 SerializableFieldTypes = Annotated[FieldTypes, PlainSerializer(lambda v: v.value, return_type=str)]
@@ -167,6 +168,16 @@ class LinkMixin(BaseModel):
     """Text to be displayed in the link."""
 
 
+class SliderMixin(BaseModel):
+    min_label: str = Field(default="")
+    max_label: str = Field(default="")
+    min_label_icon: str = Field(default="")
+    max_label_icon: str = Field(default="")
+    slider_buttons: bool = Field(default=False)
+    slider_buttons_options: list[str] = Field(default=[])
+    slider_input: bool = Field(default=False)
+
+
 class TableMixin(BaseModel):
     table_schema: TableSchema | list[Column] | None = None
 

src/backend/base/langflow/inputs/inputs.py

@@ -23,6 +23,7 @@ from .input_mixin import (
     MultilineMixin,
     RangeMixin,
     SerializableFieldTypes,
+    SliderMixin,
     TableMixin,
 )
 
@@ -470,6 +471,10 @@ class LinkInput(BaseInputMixin, LinkMixin):
     field_type: SerializableFieldTypes = FieldTypes.LINK
 
 
+class SliderInput(BaseInputMixin, RangeMixin, SliderMixin):
+    field_type: SerializableFieldTypes = FieldTypes.SLIDER
+
+
 DEFAULT_PROMPT_INTUT_TYPES = ["Message", "Text"]
 
 
@@ -506,6 +511,7 @@ InputTypes = (
     | MessageInput
     | TableInput
     | LinkInput
+    | SliderInput
 )
 
 InputTypesMap: dict[str, type[InputTypes]] = {t.__name__: t for t in get_args(InputTypes)}

src/backend/base/langflow/io/__init__.py

@@ -18,6 +18,7 @@ from langflow.inputs import (
     NestedDictInput,
     PromptInput,
     SecretStrInput,
+    SliderInput,
     StrInput,
     TableInput,
 )
@@ -46,4 +47,7 @@ __all__ = [
     "SecretStrInput",
     "StrInput",
     "TableInput",
+    "DefaultPromptField",
+    "LinkInput",
+    "SliderInput",
 ]