snippets.code-snippets

{
  // Place your notebooks workspace snippets here. Each snippet is defined under a snippet name and has a scope, prefix, body and
  // description. Add comma separated ids of the languages where the snippet is applicable in the scope field. If scope
  // is left empty or omitted, the snippet gets applied to all languages. The prefix is what is
  // used to trigger the snippet and the body will be expanded and inserted. Possible variables are:
  // $1, $2 for tab stops, $0 for the final cursor position, and ${1:label}, ${2:another} for placeholders.
  // Placeholders with the same ids are connected.
  // Example:
  // "Print to console": {
  // 	"scope": "javascript,typescript",
  // 	"prefix": "log",
  // 	"body": [
  // 		"console.log('$1');",
  // 		"$2"
  // 	],
  // 	"description": "Log output to console"
  // }
  "Import deephaven UI": {
    "scope": "python",
    "prefix": "ui",
    "body": ["from deephaven import ui"],
    "description": "Import deephaven UI"
  },
  "Deephaven UI Counter": {
    "scope": "python",
    "prefix": "ui_counter",
    "body": [
      "from deephaven import ui",
      "",
      "",
      "# Deephaven UI Counter Sample",
      "@ui.component",
      "def ${1:ui_counter}():",
      "    count, set_count = ui.use_state(0)",
      "    return ui.button(",
      "        f\"Pressed {count} times\",",
      "        on_press=lambda: set_count(count + 1))",
      "",
      "",
      "counter = $1()"
    ],
    "description": "Deephaven UI Counter"
  },
  "Deephaven UI Dashboard": {
    "scope": "python",
    "prefix": "ui_dashboard",
    "body": [
      "from deephaven import ui",
      "",
      "",
      "@ui.component",
      "def ${1:ui_dashboard}():",
      "    return ui.dashboard(",
      "        ui.button(\"Click Me!\")",
      "    )",
      "",
      "",
      "dashboard = $1()"
    ]
  },
  "Deephaven UI Picker": {
    "scope": "python",
    "prefix": "ui_picker",
    "body": [
      "from deephaven import ui",
      "",
      "",
      "# Deephaven UI Picker Sample",
      "@ui.component",
      "def ${1:ui_picker}():",
      "    selected_key, on_change = ui.use_state(\"\")",
      "",
      "    picker = ui.picker(",
      "        \"Option 1\",",
      "        \"Option 2\",",
      "        \"Option 3\",",
      "        selected_key=selected_key,",
      "        on_change=on_change",
      "    )",
      "",
      "    text = ui.text(f\"Selected: {selected_key}\")",
      "",
      "    return picker, text",
      "",
      "",
      "picker = $1()"
    ],
    "description": "Deephaven UI Picker"
  },
  "Deephaven UI ListView - Table": {
    "scope": "python",
    "prefix": "ui_listview_table",
    "body": [
      "from deephaven import time_table, ui",
      "import datetime",
      "",
      "# Ticking table with initial row count of 200 that adds a row every second",
      "initial_row_count = 200",
      "column_types = time_table(",
      "    \"PT1S\",",
      "    start_time=datetime.datetime.now() - datetime.timedelta(seconds=initial_row_count),",
      ").update(",
      "    [",
      "        \"Id=new Integer(i)\",",
      "        \"Display=new String(`Display `+i)\",",
      "    ]",
      ")",
      "",
      "",
      "@ui.component",
      "def ui_list_view_table():",
      "    value, set_value = ui.use_state([2, 4, 5])",
      "",
      "    lv = ui.list_view(",
      "        column_types,",
      "        key_column=\"Id\",",
      "        label_column=\"Display\",",
      "        aria_label=\"List View\",",
      "        on_change=set_value,",
      "        selected_keys=value,",
      "    )",
      "",
      "    text = ui.text(\"Selection: \" + \", \".join(map(str, value)))",
      "",
      "    return lv, text",
      "",
      "",
      "lv_table = ui_list_view_table()"
    ],
    "description": "Deephaven UI ListView - Table"
  },
  "Deephaven UI Table Filter": {
    "scope": "python",
    "prefix": "ui_table_text_filter",
    "body": [
      "from deephaven import ui",
      "import deephaven.plot.express as dx",
      "",
      "",
      "stocks = dx.data.stocks()",
      "",
      "@ui.component",
      "def ${1:ui_table_text_filter}(source, column):",
      "    value, set_value = ui.use_state(\"FISH\")",
      "    t = source if value==\"\" else source.where(f\"{column}=`{value}`\")",
      "",
      "    return ui.text_field(",
      "        label=\"Sym Filter\",",
      "        value=value,",
      "        on_change=set_value), t",
      "",
      "",
      "${2:table_text_filter} = $1(stocks, \"sym\")"
    ]
  }
}