meta {
    title: "Layer checker";
    version: "1.3.20_2024-10-12";
    description: "Display of layer values by different colors.";
    icon: "layerchecker.svg";
    author: "Klumbumbus";
    link: "https://josm.openstreetmap.de/wiki/Styles/LayerChecker";
    min-josm-version: "7450"; /* due to mappaint settings */
}

meta[lang=de] {
    title: "Ebenenprüfer";
    description: "Anzeige der layer-Werte durch verschiedene Farben.";
    link: "https://josm.openstreetmap.de/wiki/De:Styles/LayerChecker";
}

/* create settings */
setting::allow_layer_0 {
    type: boolean;
    label: tr("allow layer=0");
    default: true;
}

/* Changes to the JOSM internal mappaint style elemstyles.mapcss to fit better together with Layer checker */
    /* disable tiger layer */
way["tiger:reviewed"=no]::core_tiger { /* no longer part of josm default style since r11229. keep this rule for backwards compatibility. */
    opacity: 0;
}
    /* disable street names */
way[highway] {
    text: none;
}
    /* disable piste:difficulty */
way["piste:difficulty"]::core_piste
{
    width: 0;
}
way["piste:difficulty"]:closed::core_piste
{
    width: 2;
    color: grey;
}
area["piste:difficulty"]:closed::core_piste
{
    fill-opacity: 0;
}
    /* make bridge and tunnel layer wider */
way[bridge]::core_bridge,
way[tunnel=yes]::core_tunnel {
    width: +6;
}

/* display layer=* */
    /* ways */
way["layer"="-9"]::layer {
    set layer;
    z-index: -9;
    color: layer_minus9#720000;
}
way["layer"="-8"]::layer {
    set layer;
    z-index: -8;
    color: layer_minus8#720000;
}
way["layer"="-7"]::layer {
    set layer;
    z-index: -7;
    color: layer_minus7#720000;
}
way["layer"="-6"]::layer {
    set layer;
    z-index: -6;
    color: layer_minus6#720000;
}
way["layer"="-5"]::layer {
    set layer;
    z-index: -5;
    color: layer_minus5#720000;
}
way["layer"="-4"]::layer {
    set layer;
    z-index: -4;
    color: layer_minus4#720000;
}
way["layer"="-3"]::layer {
    set layer;
    z-index: -3;
    color: layer_minus3#ff0000;
}
way["layer"="-2"]::layer {
    set layer;
    z-index: -2;
    color: layer_minus2#ff7519;
}
way["layer"="-1"]::layer {
    set layer;
    z-index: -1;
    color: layer_minus1#ffff00;
}
way["layer"="0"][setting("allow_layer_0")]::layer {
    set layer;
    z-index: 0;
    color: layer_0#b8b8b8;
}
way["layer"="1"]::layer {
    set layer;
    z-index: 1;
    color: layer_1#00ff00;
}
way["layer"="2"]::layer {
    set layer;
    z-index: 2;
    color: layer_2#00ffff;
}
way["layer"="3"]::layer {
    set layer;
    z-index: 3;
    color: layer_3#9933ff;
}
way["layer"="4"]::layer {
    set layer;
    z-index: 4;
    color: layer_4#46008D;
}
way["layer"="5"]::layer {
    set layer;
    z-index: 5;
    color: layer_5#46008D;
}
way["layer"="6"]::layer {
    set layer;
    z-index: 6;
    color: layer_6#46008D;
}
way["layer"="7"]::layer {
    set layer;
    z-index: 7;
    color: layer_7#46008D;
}
way["layer"="8"]::layer {
    set layer;
    z-index: 8;
    color: layer_8#46008D;
}
way["layer"="9"]::layer {
    set layer;
    z-index: 9;
    color: layer_9#46008D;
}

way.layer::layer {
    opacity: 0.9;
    width: 20;
    major-z-index: 1.9; /* below bridge layer of default style, to see the bridge */
}

    /* nodes */
node["layer"="-9"]::layer {
    set layer;
    z-index: -9;
    symbol-fill-color: layer_minus9#720000;
}
node["layer"="-8"]::layer {
    set layer;
    z-index: -8;
    symbol-fill-color: layer_minus8#720000;
}
node["layer"="-7"]::layer {
    set layer;
    z-index: -7;
    symbol-fill-color: layer_minus7#720000;
}
node["layer"="-6"]::layer {
    set layer;
    z-index: -6;
    symbol-fill-color: layer_minus6#720000;
}
node["layer"="-5"]::layer {
    set layer;
    z-index: -5;
    symbol-fill-color: layer_minus5#720000;
}
node["layer"="-4"]::layer {
    set layer;
    z-index: -4;
    symbol-fill-color: layer_minus4#720000;
}
node["layer"="-3"]::layer {
    set layer;
    z-index: -3;
    symbol-fill-color: layer_minus3#ff0000;
}
node["layer"="-2"]::layer {
    set layer;
    z-index: -2;
    symbol-fill-color: layer_minus2#ff7519;
}
node["layer"="-1"]::layer {
    set layer;
    z-index: -1;
    symbol-fill-color: layer_minus1#ffff00;
}
node["layer"="0"][setting("allow_layer_0")]::layer {
    set layer;
    z-index: 0;
    symbol-fill-color: layer_0#b8b8b8;
}
node["layer"="1"]::layer {
    set layer;
    z-index: 1;
    symbol-fill-color: layer_1#00ff00;
}
node["layer"="2"]::layer {
    set layer;
    z-index: 2;
    symbol-fill-color: layer_2#00ffff;
}
node["layer"="3"]::layer {
    set layer;
    z-index: 3;
    symbol-fill-color: layer_3#9933ff;
}
node["layer"="4"]::layer {
    set layer;
    z-index: 4;
    symbol-fill-color: layer_4#46008D;
}
node["layer"="5"]::layer {
    set layer;
    z-index: 5;
    symbol-fill-color: layer_5#46008D;
}
node["layer"="6"]::layer {
    set layer;
    z-index: 6;
    symbol-fill-color: layer_6#46008D;
}
node["layer"="7"]::layer {
    set layer;
    z-index: 7;
    symbol-fill-color: layer_7#46008D;
}
node["layer"="8"]::layer {
    set layer;
    z-index: 8;
    symbol-fill-color: layer_8#46008D;
}
node["layer"="9"]::layer {
    set layer;
    z-index: 9;
    symbol-fill-color: layer_9#46008D;
}

node.layer::layer {
    symbol-size: 26;
    symbol-shape: circle;
    z-index: -1;
    symbol-fill-opacity: 0.9;
}

/* report wrong value of layer */
way!.layer[layer]::layer {
    color: yellow;
    dashes-background-color: red;
    dashes: 4,24;
    opacity: 1;
    width: 5;
    text: tr("no correct value for layer!");
    text-color: black;
    font-size: 11;
    text-halo-color: red;
    text-halo-radius: 2;
    casing-width: 1;
    casing-color: yellow;
}
node!.layer[layer]::layer {
    symbol-shape: triangle;
    symbol-fill-color: red;
    symbol-size: 30;
    symbol-stroke-color: yellow;
    text: tr("no correct value for layer!");
}