{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import numpy as np\n", "import panel as pn\n", "\n", "pn.extension()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "The ``ArrayInput`` widget allows rendering and editing NumPy arrays using a text entry box whose contents are then parsed in Python. In order to avoid issues with large arrays the `ArrayInput` defines a `max_array_size`, if the array exceeds this size the textual representation will be summarized and editing will be disabled.\n", "\n", "Discover more on using widgets to add interactivity to your applications in the [how-to guides on interactivity](../how_to/interactivity/index.md). Alternatively, learn [how to set up callbacks and (JS-)links between parameters](../../how_to/links/index.md) or [how to use them as part of declarative UIs with Param](../../how_to/param/index.html).\n", "\n", "#### Parameters:\n", "\n", "For details on other options for customizing the component see the [layout](../../how_to/layout/index.md) and [styling](../../how_to/styling/index.md) how-to guides.\n", "\n", "##### Core\n", "\n", "* **``max_array_size``** (int): Arrays larger than this limit will be allowed in Python but will not be serialized into JavaScript. Although such large arrays will thus not be editable in the widget, such a restriction helps avoid overwhelming the browser and lets other widgets remain usable.\n", "* **``value``**: Parsed value of the indicated type\n", "\n", "##### Display\n", "\n", "* **``disabled``** (boolean): Whether the widget is editable\n", "* **``name``** (str): The title of the widget\n", "* **``placeholder``** (str): A placeholder string displayed when no value is entered\n", "\n", "___" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "array_input = pn.widgets.ArrayInput(name='Array Input ', value=np.random.randint(0, 10, (10, 2)))\n", "array_input" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "``ArrayInput.value`` returns a value of the evaluated type that can be read out and set like other widgets:" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "array_input.value" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "### Controls\n", "\n", "The `ArrayInput` widget exposes a number of options which can be changed from both Python and Javascript. Try out the effect of these parameters interactively:" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "pn.Row(array_input.controls(jslink=True), array_input)" ] } ], "metadata": { "language_info": { "name": "python", "pygments_lexer": "ipython3" } }, "nbformat": 4, "nbformat_minor": 4 }