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Forms

components.forms

Form components for data input and validation.

Button

Bases: Component

A button component that supports HTMX, Alpine.js, and form submissions.

Source code in components/forms.py
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class Button(Component):
    """A button component that supports HTMX, Alpine.js, and form submissions."""

    def __init__(
        self,
        label: str = "",
        target: Optional[str] = None,
        swap: str = "morph",
        push_url: bool = True,
        hx_trigger: Optional[str] = None,
        icon: Optional[str] = None,
        icon_alt: Optional[str] = None,
        icon_condition: Optional[str] = None,
        onclick: Optional[str] = None,
        method: Optional[str] = None,
        disabled: Union[bool, Callable] = False,
        disabled_elt: Optional[str] = None,
        as_link: bool = False,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.label = label
        self.target = target
        self.swap = swap
        self.push_url = push_url
        self.hx_trigger = hx_trigger
        self.icon = icon
        self.icon_alt = icon_alt
        self.icon_condition = icon_condition
        self.onclick = onclick
        self.method = method
        self.disabled = disabled
        self.disabled_elt = disabled_elt
        self.as_link = as_link

    def _is_disabled(self, **kwargs) -> bool:
        if callable(self.disabled):
            return self.disabled(self.get_value(), kwargs.get("request"))
        return self.disabled

    def render_html(self, **kwargs) -> str:
        href = self.get_url(**kwargs)
        disabled = self._is_disabled(**kwargs)

        # Icon rendering - supports conditional icons (for theme toggle)
        if self.icon_alt and self.icon_condition:
            icon_html = f"""
                <span x-show="{self.icon_condition}">{{% heroicon_mini "{self.icon}" %}}</span>
                <span x-show="!({self.icon_condition})">{{% heroicon_mini "{self.icon_alt}" %}}</span>
            """
        elif self.icon:
            icon_html = f'{{% heroicon_mini "{self.icon}" %}}'
        else:
            icon_html = ""

        onclick_attr = f'@click="{self.onclick}"' if self.onclick else ""

        btn_class = "" if self.as_link else "btn"

        # Form-based button (for POST requests like logout)
        if self.method and self.method.lower() == "post":
            return f"""
            <form method="post" hx-boost action="{href}">
                {{% csrf_token %}}
                <button type="submit" {"disabled" if disabled else ""} class="{btn_class} {self.classes}" {onclick_attr}>{icon_html} {self.label}</button>
            </form>
            """

        # HTMX button
        if self.target:
            htmx_attrs = f'hx-get="{href}" hx-target="{self.target}" hx-swap="{self.swap}" hx-push-url="{str(self.push_url).lower()}"'
            if self.hx_trigger:
                htmx_attrs += f' hx-trigger="{self.hx_trigger}"'
            if self.disabled_elt:
                htmx_attrs += f' hx-disabled-elt="{self.disabled_elt}"'
            return f"""
            <button type="button" class="{btn_class} {self.classes}" {"disabled" if disabled else ""} {htmx_attrs} {onclick_attr}>{icon_html} {self.label}</button>
            """

        # Plain button (with optional onclick)
        if self.onclick or not href:
            return f"""
            <button type="button" class="{btn_class} {self.classes}" {"disabled" if disabled else ""} {onclick_attr}>{icon_html} {self.label}</button>
            """

        # Link button
        return f"""
        <a href="{href if not disabled else "#"}" class="{btn_class} {"disabled" if disabled else ""} {self.classes}">{icon_html} {self.label}</a>
        """

CheckboxInput

Bases: Input

Checkbox input with optional Alpine.js x-model binding.

Parameters:

Name Type Description Default
x_model Optional[str]

Alpine.js variable name to bind to (e.g., "isDirectory")

None
Source code in components/forms.py
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class CheckboxInput(Input):
    """Checkbox input with optional Alpine.js x-model binding.

    Parameters:
        x_model: Alpine.js variable name to bind to (e.g., "isDirectory")
    """

    def __init__(self, x_model: Optional[str] = None, **kwargs):
        super().__init__(**kwargs)
        self.x_model = x_model

    def render_html(self, **kwargs) -> str:
        value = self.get_value(**kwargs)
        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        checked = "checked" if value else ""
        error_class = "checkbox-error" if error else ""
        x_model_attr = f'x-model="{self.x_model}"' if self.x_model else ""
        return f"""
        <div class="mt-3 {self.classes}">
            <label class="label cursor-pointer justify-start gap-2">
                <input type="checkbox"
                       id="{self.uid or self.key}"
                       name="{self.key}"
                       value="True"
                       class="checkbox {error_class}"
                       {checked}
                       {x_model_attr}
                       {required_attr} />
                <span class="label-text">{self.label}</span>
            </label>
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

    def clean(self, value):
        """Map standard html checkbox strings to python true/false booleans."""
        if value in ("True", "true", "1", True, "on"):
            return True
        return False

clean(value)

Map standard html checkbox strings to python true/false booleans.

Source code in components/forms.py
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def clean(self, value):
    """Map standard html checkbox strings to python true/false booleans."""
    if value in ("True", "true", "1", True, "on"):
        return True
    return False

ClearInput

Bases: Component

Clear/reset button that resets the form to its initial state.

Source code in components/forms.py
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class ClearInput(Component):
    """Clear/reset button that resets the form to its initial state."""

    def __init__(self, label: str = "Clear", **kwargs):
        super().__init__(**kwargs)
        self.label = label

    def render_html(self, **kwargs) -> str:
        return f"""
        <button type="reset" class="btn btn-ghost my-2 {self.classes}">{self.label}</button>
        """

DeleteConfirmation

Bases: Component

A delete confirmation component with title, message, confirm and cancel buttons.

Parameters:

Name Type Description Default
key

Key to get the object from kwargs

required
title str

Title text (default: "Confirm Deletion")

'Confirm Deletion'
message str

Confirmation message

'Are you sure you want to delete this item?'
cancel_url

URL or callable for the cancel button

required
Source code in components/forms.py
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class DeleteConfirmation(Component):
    """
    A delete confirmation component with title, message, confirm and cancel buttons.

    Parameters:
        key: Key to get the object from kwargs
        title: Title text (default: "Confirm Deletion")
        message: Confirmation message
        cancel_url: URL or callable for the cancel button
    """

    def __init__(
        self,
        title: str = "Confirm Deletion",
        message: str = "Are you sure you want to delete this item?",
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.title = title
        self.message = message

    def render_html(self, **kwargs) -> str:
        request = kwargs.get("request")
        cancel_url = self.get_url(**kwargs)

        csrf_token = ""
        if request:
            from django.middleware.csrf import get_token

            csrf_token = get_token(request)

        return f"""
        <div class="container mx-auto {self.classes}">
            <h2 class="text-xl font-bold text-error">{self.title}</h2>
            <p class="my-2">{self.message}</p>
            <form hx-post hx-target="#app-layout" hx-swap="outerHTML" class="flex gap-2 my-4">
                <input type="hidden" name="csrfmiddlewaretoken" value="{csrf_token}">
                <button type="submit" class="btn btn-error">Confirm Delete</button>
                <a hx-get="{cancel_url}" hx-target="#app-layout" hx-swap="outerHTML" class="btn btn-ghost">Cancel</a>
            </form>
        </div>
        """

EmailInput

Bases: Input

Email input field with browser validation.

Source code in components/forms.py
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class EmailInput(Input):
    """Email input field with browser validation."""

    def render_html(self, **kwargs) -> str:
        value = self.get_value(**kwargs)
        value = "" if value is None else value
        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        error_class = "input-error" if error else ""
        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <input type="email"
                   id="{self.uid or self.key}"
                   name="{self.key}"
                   value="{{% verbatim %}}{value}{{% endverbatim %}}"
                   placeholder="{self.placeholder}"
                   class="input input-bordered w-full {error_class}"
                   {required_attr} />
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

    def clean(self, value):
        if not value:
            return value
        if not isinstance(value, str):
            value = str(value)
        s = value.strip().lower()
        try:
            validate_email(s)
        except ValidationError:
            raise ValueError("Invalid email address.")
        return s[:254]

FileInput

Bases: Input

File upload input with optional multiple file support.

Parameters:

Name Type Description Default
key

Field name

required
label

Display label

required
accept str

File type filter (e.g., "image/*", ".pdf,.doc")

''
multiple bool

Allow multiple file selection

False
Source code in components/forms.py
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class FileInput(Input):
    """File upload input with optional multiple file support.

    Parameters:
        key: Field name
        label: Display label
        accept: File type filter (e.g., "image/*", ".pdf,.doc")
        multiple: Allow multiple file selection
    """

    def __init__(
        self,
        accept: str = "",
        multiple: bool = False,
        **kwargs):
        super().__init__(**kwargs)
        self.accept = accept
        self.multiple = multiple

    def render_html(self, **kwargs) -> str:
        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        accept_attr = f'accept="{self.accept}"' if self.accept else ""
        multiple_attr = "multiple" if self.multiple else ""
        error_class = "file-input-error" if error else ""
        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <input type="file"
                   id="{self.uid or self.key}"
                   name="{self.key}"
                   class="file-input file-input-bordered w-full {error_class}"
                   {accept_attr}
                   {multiple_attr}
                   {required_attr} />
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

ForeignKeyInput

Bases: Input

A foreign key selector that opens a modal with a selection table.

Parameters:

Name Type Description Default
key

Field name (e.g., "semester")

required
label

Display label

required
selection_url

URL to fetch the selection table modal

required
display_attr str

Attribute to show for selected object (e.g., "name")

'name'
placeholder

Placeholder text when no selection

required
Source code in components/forms.py
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class ForeignKeyInput(Input):
    """
    A foreign key selector that opens a modal with a selection table.

    Parameters:
        key: Field name (e.g., "semester")
        label: Display label
        selection_url: URL to fetch the selection table modal
        display_attr: Attribute to show for selected object (e.g., "name")
        placeholder: Placeholder text when no selection
    """

    def __init__(
        self,
        model: models.Model,
        display_attr: str = "name",
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.display_attr = display_attr
        self.model = model

    def _get_display_value(self, obj) -> str:
        if obj is None:
            return ""
        if self.display_attr == "__str__":
            return str(obj)
        return str(getattr(obj, self.display_attr, obj))

    def clean(self, value):
        if not self.required and not value:
            return None
        return self.model.objects.get(id=int(value))

    def render_html(self, **kwargs) -> str:
        # Get the current value - could be an object or a pk
        value = self.get_value(**kwargs)
        value_pk = ""
        display_value = ""

        if value is not None:
            if hasattr(value, "pk"):
                # It's a model instance
                value_pk = str(value.pk)
                display_value = self._get_display_value(value)
            else:
                # It's just a pk value
                value_pk = str(value)
                display_value = str(value)

        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        error_class = "input-error" if error else ""
        input_id = self.uid or self.key

        # Build selection URL with target_input and modal_id params
        base_url = self.get_url(**kwargs)
        separator = "&" if "?" in base_url else "?"
        selection_url = (
            f"{base_url}{separator}target_input={input_id}&modal_id={input_id}_modal"
        )

        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <input type="hidden"
                   id="{input_id}_value"
                   name="{self.key}"
                   value="{value_pk}"
                   {required_attr} />
            <div id="{input_id}_display"
                 class="input input-bordered w-full flex items-center cursor-pointer {error_class} {"text-base-content/50" if not display_value else ""}"
                 hx-get="{selection_url}"
                 hx-target="body"
                 hx-push-url="false"
                 hx-swap="beforeend"
                 x-data="{{ value_status: '{"filled" if display_value else "empty"}' }}"
                 @form-reset="value_status = 'empty'; $el.innerHTML = '{self.placeholder}'; $el.classList.add('text-base-content/50'); document.getElementById('{input_id}_value').value = '';"
                 data-placeholder="{self.placeholder}"
                 >{display_value or self.placeholder}</div>
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

Form

Bases: Component

A flexible form component that supports: - Create forms (POST) - Update forms (POST with object prefill) - Filter forms (GET)

Parameters:

Name Type Description Default
action

URL to submit to (can be a string or callable that takes object)

required
target str

HTMX target selector

required
children

List of input components

required
method str

HTTP method - "post" (create/update) or "get" (filter)

'post'
key

Key to get object from kwargs for prefilling (for edit forms)

required
swap str

HTMX swap mode (default "outerHTML")

'outerHTML'
push_url Optional[bool]

Whether to push URL on submit (default True for GET, False for POST)

None
x_data Optional[str]

Alpine.js x-data object for reactive form state (e.g., "{isDirectory: false}")

None
Source code in components/forms.py
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class Form(Component):
    """
    A flexible form component that supports:
    - Create forms (POST)
    - Update forms (POST with object prefill)
    - Filter forms (GET)

    Parameters:
        action: URL to submit to (can be a string or callable that takes object)
        target: HTMX target selector
        children: List of input components
        method: HTTP method - "post" (create/update) or "get" (filter)
        key: Key to get object from kwargs for prefilling (for edit forms)
        swap: HTMX swap mode (default "outerHTML")
        push_url: Whether to push URL on submit (default True for GET, False for POST)
        x_data: Alpine.js x-data object for reactive form state (e.g., "{isDirectory: false}")
    """

    def __init__(
        self,
        target: str,
        method: str = "post",
        swap: str = "outerHTML",
        push_url: Optional[bool] = None,
        title: Optional[str] = None,
        subtitle: Optional[str] = None,
        encoding: str = "multipart/form-data",
        x_data: Optional[str] = None,
        alpine_event: Optional[str] = None,
        hx_trigger: Optional[str] = None,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.target = target
        self.method = method
        self.swap = swap
        self.push_url = push_url if push_url is not None else method.lower() == "get"
        self.title = title
        self.subtitle = subtitle
        self.encoding = encoding
        self.x_data = x_data
        self.alpine_event = alpine_event
        self.hx_trigger = hx_trigger

    def _get_title(self, obj=None) -> Optional[str]:
        if callable(self.title):
            return self.title(obj)
        return self.title

    def _get_subtitle(self, obj=None) -> Optional[str]:
        if callable(self.subtitle):
            return self.subtitle(obj)
        return self.subtitle

    def _get_all_inputs(self, children: List[Component]) -> List[Component]:
        """Recursively find all input components with a key attribute."""
        inputs = []
        for child in children:
            if isinstance(child, Input):
                inputs.append(child)
            inputs.extend(self._get_all_inputs(child.children))
        return inputs

    def _get_object_values(self, obj) -> dict:
        """Extract field values from an object for prefilling."""
        values = {}
        for child in self._get_all_inputs(self.children):
            values[child.key] = child.get_value(**{"object": obj})
        return values

    def render_html(self, **kwargs) -> str:
        request = kwargs.get("request")
        value = self.get_value(**kwargs)
        action = self.get_url(**kwargs)

        # Get values for prefilling
        child_kwargs = {**kwargs, "object": value}

        # CSRF token for POST/PUT/PATCH
        csrf_input = ""
        if self.method.lower() in ("post", "put", "patch", "delete") and request:
            csrf_token = get_token(request)
            csrf_input = (
                f'<input type="hidden" name="csrfmiddlewaretoken" value="{csrf_token}">'
            )

        children_html = Column(children=self.children, uid=f"{self.uid}_fields").render(
            **child_kwargs
        )

        errors_html = FormErrors(uid=f"{self.uid}_errors").render(**kwargs)

        x_data_attr = f'x-data="{self.x_data}"' if self.x_data else ""

        all_inputs = self._get_all_inputs(self.children)
        input_ids = [(input_comp.uid or input_comp.key) for input_comp in all_inputs]
        input_ids_json = "[" + ",".join([f"'{uid}'" for uid in input_ids]) + "]"

        onreset_js = f"setTimeout(() => {{ const inputIds = {input_ids_json}; inputIds.forEach(id => {{ const displayEl = document.getElementById(id + '_display'); if (displayEl) displayEl.dispatchEvent(new Event('form-reset')); const itemsEl = document.getElementById(id + '_items'); if (itemsEl) itemsEl.dispatchEvent(new Event('form-reset')); }}); }}, 10)"

        onsubmit_js = ""
        if self.alpine_event:
            push_url_js = ""
            if self.push_url:
                push_url_js = "const u = new window.URL(window.location.href); u.search = ''; new window.FormData($el).forEach((v, k) => { if(v) u.searchParams.append(k, v); }); window.history.pushState({}, '', u);"

            # Prevent default submit and dispatch the custom Alpine event, passing the form event
            onsubmit_js = f"@submit.prevent=\"{push_url_js} $dispatch('{self.alpine_event}', {{ form: $el, event: $event }});\""

        hx_attributes = ""
        if not self.alpine_event:
            hx_trigger_attr = (
                f'hx-trigger="{self.hx_trigger}"' if self.hx_trigger else ""
            )
            hx_attributes = f"""
                {"hx-" + self.method + '="' + action + '"' if action is not None else ""}
                hx-target="{self.target}"
                hx-swap="{self.swap}"
                hx-push-url="{str(self.push_url).lower()}"
                {hx_trigger_attr}
                {f'enctype="{self.encoding}" hx-encoding="{self.encoding}"' if self.encoding else ""}
            """

        title = self._get_title(value)
        subtitle = self._get_subtitle(value)

        return f"""
        {f"<div class='text-xl font-semibold text-primary'>{title}</div>" if title else ""}
        {f"<div class='text-md text-gray-500 mb-2'>{subtitle}</div>" if subtitle else ""}
        <form id="{self.uid}" class="flex flex-col {self.classes}"
              {hx_attributes}
              {x_data_attr}
              {onsubmit_js}
              onreset="{onreset_js}">
            {csrf_input}
            {errors_html}
            {children_html}
        </form>
        """

FormErrors

Bases: Component

Renders form messages from kwargs: errors (red), success (green), info (blue). - errors: dict {"field1": "message", ...} - success: str message - info: str message

Source code in components/forms.py
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class FormErrors(Component):
    """
    Renders form messages from kwargs: errors (red), success (green), info (blue).
    - errors: dict {"field1": "message", ...}
    - success: str message
    - info: str message
    """

    def _render_alert(self, alert_type: str, content: str) -> str:
        return f"""
        <div class="alert alert-{alert_type} my-2 {self.classes}">
            <div class="flex-1">{content}</div>
        </div>
        """

    def render_html(self, **kwargs) -> str:
        html = ""

        errors = kwargs.get("errors", {})
        if errors:
            error_items = "".join(
                f'<div><span class="font-semibold">{field}:</span> {message}</div>'
                for field, message in errors.items()
            )
            html += self._render_alert("error", error_items)

        success = kwargs.get("success")
        if success:
            html += self._render_alert(
                "success", f'<span class="font-semibold">Success:</span> {success}'
            )

        info = kwargs.get("info")
        if info:
            html += self._render_alert(
                "info", f'<span class="font-semibold">Info:</span> {info}'
            )

        return html

Input

Bases: Component

Base class for all form input components.

Source code in components/forms.py
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class Input(Component):
    """Base class for all form input components."""

    def __init__(
        self,
        label: str = "",
        required: bool = False,
        placeholder: Optional[str] = None,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.label = label or self.key.replace("_", " ").title()
        self.required = required
        self.placeholder = placeholder

    def clean(self, value):
        """Clean and validate the input value. Override in subclasses to perform specific sanitization."""
        return value

clean(value)

Clean and validate the input value. Override in subclasses to perform specific sanitization.

Source code in components/forms.py
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def clean(self, value):
    """Clean and validate the input value. Override in subclasses to perform specific sanitization."""
    return value

Bases: Component

A simple link component for use in forms/cards.

Source code in components/forms.py
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class Link(Component):
    """A simple link component for use in forms/cards."""

    def __init__(
        self,
        text: str,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.text = text

    def render_html(self, **kwargs) -> str:
        return f"""
        <a href="{self.get_url(**kwargs)}" class="link link-primary {self.classes}">{self.text}</a>
        """

ManyToManyInput

Bases: Input

A many-to-many selector that opens a modal with a multi-selection table.

Parameters:

Name Type Description Default
key

Field name

required
label

Display label

required
selection_url

URL to fetch the multi-selection table modal

required
display_attr str

Attribute to show for selected objects

'name'
placeholder

Placeholder text when no selection

required
Source code in components/forms.py
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class ManyToManyInput(Input):
    """
    A many-to-many selector that opens a modal with a multi-selection table.

    Parameters:
        key: Field name
        label: Display label
        selection_url: URL to fetch the multi-selection table modal
        display_attr: Attribute to show for selected objects
        placeholder: Placeholder text when no selection
    """

    def __init__(
        self,
        model: type[models.Model],
        display_attr: str = "name",
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.display_attr = display_attr
        self.model = model

    def _get_display_value(self, obj) -> str:
        if obj is None:
            return ""
        if self.display_attr == "__str__":
            return str(obj)
        return str(getattr(obj, self.display_attr, obj))

    def clean(self, value):
        ids = [int(value)] if isinstance(value, str) else [int(id) for id in value]
        objects = list(self.model.objects.filter(id__in=ids))
        return objects

    def render_html(self, **kwargs) -> str:
        values = self.get_value(**kwargs)
        error = kwargs.get("errors", {}).get(self.key)
        error_class = "border-error" if error else ""
        input_id = self.uid or self.key

        base_url = self.get_url(**kwargs)
        separator = "&" if "?" in base_url else "?"
        selection_url = (
            f"{base_url}{separator}target_input={input_id}&modal_id={input_id}_modal"
        )

        # Render existing selected items
        items_html = ""
        if values:
            if isinstance(values, str) or not hasattr(values, "__iter__"):
                values = [values]
            # Handle both querysets and lists
            for item in values:
                value_pk = str(item.pk) if hasattr(item, "pk") else str(item)
                display = (
                    self._get_display_value(item) if hasattr(item, "pk") else str(item)
                )
                items_html += f"""
                    <div id="{input_id}_item_{value_pk}"
                         class="flex items-center gap-2 bg-base-200 rounded-lg px-3 py-1">
                        <input type="hidden" name="{input_id}_values" value="{value_pk}" />
                        <span class="text-sm">{display}</span>
                        <button type="button" class="btn btn-ghost btn-xs"
                                onclick="event.stopPropagation(); this.parentElement.remove()">
                            {{% heroicon_mini "x-mark" class="w-3 h-3" %}}
                        </button>
                    </div>
                """

        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <div id="{input_id}_items"
                 class="flex flex-wrap gap-2 min-h-[2.5rem] p-2 rounded-lg border border-base-content/20 cursor-pointer {error_class}"
                 hx-get="{selection_url}"
                 hx-include="[name='{input_id}_values']"
                 hx-target="body"
                 hx-push-url="false"
                 hx-swap="beforeend"
                 @form-reset="$el.innerHTML = '';">
                {items_html}
            </div>
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

PasswordInput

Bases: Input

Password input field with masked input.

Source code in components/forms.py
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class PasswordInput(Input):
    """Password input field with masked input."""

    def render_html(self, **kwargs) -> str:
        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        error_class = "input-error" if error else ""
        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <input type="password"
                   id="{self.uid or self.key}"
                   name="{self.key}"
                   placeholder="{self.placeholder}"
                   class="input input-bordered w-full {error_class}"
                   {required_attr} />
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

PhoneInput

Bases: Input

Phone number input field with tel type for mobile keyboard optimization.

Source code in components/forms.py
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class PhoneInput(Input):
    """Phone number input field with tel type for mobile keyboard optimization."""

    def render_html(self, **kwargs) -> str:
        value = self.get_value(**kwargs)
        value = "" if value is None else value
        error = kwargs.get("errors", {}).get(self.key)
        required_attr = "required" if self.required else ""
        error_class = "input-error" if error else ""
        return f"""
        <div class="my-1 {self.classes}">
            <label class="label text-sm font-bold">{self.label}</label>
            <input type="tel"
                   id="{self.uid or self.key}"
                   name="{self.key}"
                   value="{{% verbatim %}}{value}{{% endverbatim %}}"
                   placeholder="{self.placeholder}"
                   class="input input-bordered w-full {error_class}"
                   {required_attr} />
            {f'<span class="text-error text-sm">{error}</span>' if error else ""}
        </div>"""

    def clean(self, value):
        if not value:
            return None
        try:
            phone_no = PhoneNumber.from_string(value)
            if not phone_no.is_valid():
                raise ValueError("Invalid phone number.")
            return phone_no
        except ValueError:
            raise
        except Exception:
            raise ValueError("Invalid phone number format.")

ShowIf

Bases: Component

Conditional wrapper that shows/hides children based on an Alpine.js expression.

Use with a parent form that has x_data defined.

Parameters:

Name Type Description Default
condition str | None

Alpine.js expression to evaluate (e.g., "isDirectory", "!isDirectory")

None
children

Child components to conditionally show

required
Source code in components/forms.py
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class ShowIf(Component):
    """Conditional wrapper that shows/hides children based on an Alpine.js expression.

    Use with a parent form that has x_data defined.

    Parameters:
        condition: Alpine.js expression to evaluate (e.g., "isDirectory", "!isDirectory")
        children: Child components to conditionally show
    """

    def __init__(
        self,
        condition: str | None = None,
        render_cond: Callable = lambda child, kwargs: True,
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.condition = condition
        self.render_cond = render_cond

    def render_html(self, **kwargs) -> str:
        children_html = "\n".join(
            child.render(**kwargs) if self.render_cond(child, kwargs) else ""
            for child in self.children
        )

        x_show = f'x-show="{self.condition}"' if self.condition else ""
        return f"""
        <div {x_show} class="{self.classes}">
            {children_html}
        </div>
        """

SubmitInput

Bases: Component

Submit button - not an Input since it doesn't have a key.

Source code in components/forms.py
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class SubmitInput(Component):
    """Submit button - not an Input since it doesn't have a key."""

    def __init__(self, label: str = "Submit", **kwargs):
        super().__init__(**kwargs)
        self.label = label

    def render_html(self, **kwargs) -> str:
        return f"""
        <button type="submit" class="btn btn-primary my-2 {self.classes}">{self.label}</button>
        """