DataGridFormattingManager

Named rule presets combining formatters, styles and conditions. Reference them with format("preset_name") or style("preset_name").

—
Select a preset to edit
Rules — DSL
DEFAULT_RULE_PRESETS — core/formatting/presets.py 
# name + description + list of complete FormatRule descriptors.
# Appears in format() suggestions if at least one rule has a formatter.
# Appears in style()  suggestions if at least one rule has a style.

DEFAULT_RULE_PRESETS = {

    "accounting": {
        "description": "Negatives in parentheses (red), positives plain",
        "rules": [
            {
                "condition": {"operator": "<", "value": 0},
                "formatter": {"type": "number", "precision": 0,
                               "prefix": "(", "suffix": ")",
                               "absolute": True, "thousands_sep": " "},
                "style": {"preset": "error"},
            },
            {
                "condition": {"operator": ">", "value": 0},
                "formatter": {"type": "number", "precision": 0,
                               "thousands_sep": " "},
            },
        ],
    },

    "traffic_light": {
        "description": "Red / yellow / green style based on sign",
        "rules": [
            {"condition": {"operator": "<",  "value": 0}, "style": {"preset": "error"}},
            {"condition": {"operator": "==", "value": 0}, "style": {"preset": "warning"}},
            {"condition": {"operator": ">",  "value": 0}, "style": {"preset": "success"}},
        ],
    },

    "budget_variance": {
        "description": "% variance: negative=error, over 10%=warning, else plain",
        "rules": [
            {
                "condition": {"operator": "<", "value": 0},
                "formatter": {"type": "number", "precision": 1, "suffix": "%", "multiplier": 100},
                "style": {"preset": "error"},
            },
            {
                "condition": {"operator": ">", "value": 0.1},
                "formatter": {"type": "number", "precision": 1, "suffix": "%", "multiplier": 100},
                "style": {"preset": "warning"},
            },
            {
                "formatter": {"type": "number", "precision": 1, "suffix": "%", "multiplier": 100},
            },
        ],
    },

}