View source for Template:Graph:Stacked

<includeonly>{{#tag:{{#if:{{{debug|}}}|syntaxhighlight|graph}}|</includeonly><noinclude>{{documentation}}<syntaxhighlight lang=html><graph></syntaxhighlight>{{#tag:syntaxhighlight|</noinclude>
{
  //
  // ATTENTION: This code is maintained at https://www.mediawiki.org/wiki/Template:Graph:Stacked
  //            Please do not modify it anywhere else, as it may get copied and override your changes.
  //            Suggestions can be made at https://www.mediawiki.org/wiki/Template:Graph:Stacked
  //
  // Template translation is in https://commons.wikimedia.org/wiki/Data:Original/Template:Graphs.tab
  //

  "version": 2,
  "width": {{{width|550}}},
  "height": {{{height|250}}},
  <!--
    Parameter to controls how width/height should be interpreted.
    See Vega 2.x "padding" https://vega.github.io/vega/docs/porting-guide/#layout
    and Vega x.x "autosize" https://vega.github.io/vega-lite/docs/size.html#autosize
    and CSS attribute "box-sizing" https://developer.mozilla.org/en-US/docs/Web/CSS/box-sizing
    for references
  -->
{{#switch: {{{chartSizing|}}}
|pad|plotting-box|content-box=
  "padding": "auto",
|fit|padding-box=
  "padding": "strict",
}}

  "data": [
{{#if:{{{series|}}}|
    {
      "name": "series_fields_names",
      "values": [ {{{series}}} ],
      "transform": [
        // in case of Vega versions > 2.0 `transforms/identifier` need to be used instead of `_id` field
        {"type": "formula", "field": "orderSrc", "expr": "datum._id"},
      ]
    },
}}
    {
      "name": "chart",

{{#switch: {{{tabletype|tab}}}
|tab=    "url": "tabular:///{{{table}}}",
|query=  "url": "wikidatasparql:///?query={{urlencode:{{{table}}}|PATH}}",
}}
      "format": {"type": "json"
{{#ifeq:{{{tabletype|tab}}}|tab|
      , "property": "data"
}}
{{#ifeq:{{{type|}}}|time|
      , "parse": {"{{{xField}}}": "date"}
}}
    },
    "transform": [
{{#if:{{{dataTransforms|}}}|
      {{{dataTransforms|}}},
}}
{{#if:{{{filter|}}}|
      // Optionally filter data with an template expression parameter
      // e.g. `filter = datum.some_dataset_field > 1900 && datum.some_dataset_field < 2000` where `some_dataset_field` means some valid field of displayed dataset
      { "type": "filter", "test": "{{{filter}}}" },
}}

      // Convert xField parameter into a field "_xfield"
      {"type": "formula", "field": "_xfield", "expr":
{{#switch: {{{type|}}}
| year= "datetime(datum.{{{xField|year}}}, 0, 1)"
| "datum.{{{xField}}}"
}}
      },
      {"type": "sort", "by": ["_xfield"]},
{{#if:{{{series|}}}
|     {"type": "fold", "fields": [{{{series}}}]},
      {"type": "lookup", "on": "series_fields_names", "onKey": "data", "keys": ["key"], "as": ["keyItem"]},
      {"type": "formula", "field": "keyOrder", "expr": "datum.keyItem.orderSrc"},
}}
      // For non-bar graph, ensure that all missing values still present as zeros to avoid area breaks
      // We might need to allow other, non-0 values to be imputed.
{{#if:{{{barwidth|}}}||
      {
        "type": "impute",
        "groupby": ["{{{group|key}}}"],
        "orderby": ["_xfield"],
        "field": "{{{value|value}}}",
        "method": "value",
        "value": 0
      },
}}
    ]
  },
{{#if:{{{series|}}}|{{#ifeq: {{{tabletype|tab}}} | tab |
  {
    "name": "labels",
    "url": "tabular:///{{{table}}}",
    "format": {"type": "json", "property": "fields"}
  },
}}}}
  {
    "name": "stats",
    "source": "chart",
    "transform": [{
      "type": "aggregate",
      "groupby": ["_xfield"],
      "summarize": [{"field": "{{{value|value}}}", "ops": ["sum"]}]
    }]
  }
  ],
  "scales": [
    {
      "name": "x",
      "type": {{#switch: {{{type|}}}
| year= "time"
| "{{{type}}}"
}},
      "domain": {"data": "chart", "field": "_xfield"},
{{#if:{{{barwidth|}}}|{{#ifeq:{{{type|}}}|ordinal|"points": true,}}}}
      "range": "width",
{{#if:{{{xZero|}}}|"zero": {{{xZero}}},}}
{{#if:{{{xMin|}}}|"domainMin": {{{xMin}}},}}
{{#if:{{{xMax|}}}|"domainMax": {{{xMax}}},}}
    },
    {
      "name": "y",
      "type": "linear",
      "range": "height",
      "domain": {"data": "stats", "field": "sum_{{{value|value}}}"},
{{#if:{{{yZero|}}}|"zero": {{{yZero}}},}}
{{#if:{{{yMin|}}}|"domainMin": {{{yMin}}},}}
{{#if:{{{yMax|}}}|"domainMax": {{{yMax}}},}}
    },
    {
      "name": "color",
      "type": "ordinal",
      "domain": {"data": "chart", "field": "{{{group|key}}}"},
      "range": 
{{#if:{{{colors|}}}
| {{#ifeq:0|{{#invoke:String|find|{{{colors|}}}|[%{%[%"%]%}]|plain=false}}
  <!-- if `colors` does NOT look like JSON then treat them as simple colors list -->
  | [{{#invoke:String|replace|"{{{colors}}}|,|","}}"] 
  <!-- if `colors` does look like JSON then embed them into resulting JSON AS-IS -->
  | {{{colors|}}}
  }}
| "{{{colorscheme|category10}}}"
}}, 

    },
{{#if:{{{series|}}}|
    {
      "name": "labels",
      "type": "ordinal",
{{#ifeq: {{{tabletype|tab}}} | tab
|     "domain": {"data": "labels", "field": "name"},
      "range": {"data": "labels", "field": "title"},
|     "domain": [{{{series|}}}],
      "range": [{{{series|}}}],
}}
    }
}}
  ],
{{#if:{{{legend|}}}|
  "legends": [{
    "fill": "color",
    "stroke": "color",
{{#ifeq: {{{legend|}}}|-|| "title": "{{{legend|}}}", }}
{{#if:{{{series|}}}
|   "properties": { "labels": { "text": {"scale": "labels", "field": "data"} } }
}}
  }],
}}
  "axes": [
    {"scale": "x", "type": "x", "tickSizeEnd": 0
{{#ifeq:{{{xTicks|7}}}|-||, "ticks": {{{xTicks|7}}}}}
{{#if:{{{xAxis|}}}|, "title": "{{{xAxis}}}"}}
{{#if:{{{xGrid|}}}|, "grid": true}}
},
    {"scale": "y", "type": "y", "tickSizeEnd": 0
// When drawing "type=year" bars with the given width, shift y axis left by half the width
{{#ifeq:{{{type|}}}|year|{{#ifeq:{{{barwidth|auto}}}|auto||,"offset":{{#expr:1+{{{barwidth}}}/2}}}}}}
{{#ifeq:{{{yTicks|-}}}|-||, "ticks": {{{yTicks}}}}}
{{#if:{{{yAxis|}}}|, "title": "{{{yAxis}}}"}}
{{#if:{{{yGrid|}}}|, "grid": true}}
}
  ],

  "marks": [
    // Group data by the "key", and draw lines, one line per key
    {
{{#if:{{{barwidth|}}}
|     "type": "rect",
      "from": {
        "data": "chart",
        "transform": [
          {"type": "stack", "groupby": ["_xfield"], "sortby": ["{{{group|key}}}"], "field": "{{{value|value}}}"}
        ]
      },
      "properties": {
        "enter": {
          "x": {"scale": "x", "field": "_xfield"
// When drawing "type=year" bars with the given width, shift them back by half the width
{{#ifeq:{{{type|}}}|year|{{#ifeq:{{{barwidth|auto}}}|auto||,"offset":{{#expr:{{{barwidth}}}/-2}}}}}}
          },
{{#ifeq:{{{barwidth|}}}|auto|
  {{#ifeq:{{{type|}}}|ordinal
|         "width": {"scale": "x", "band": true, "offset": -1},
|         "width": {"value": 3},
  }}
|         "width": {"value": {{{barwidth}}} },
}}
          "y": {"scale": "y", "field": "layout_start"},
          "y2": {"scale": "y", "field": "layout_end"},
          "fill": {"scale": "color", "field": "{{{group|key}}}"}
        }
      }
|     "type": "group",
      "from": {
        "data": "chart",
        "transform": [
          {"type": "stack", "groupby": ["_xfield"], "sortby": ["{{{group|{{#if:{{{series|}}}|-keyOrder|key}}}}}"], "field": "{{{value|value}}}"},
          {"type": "facet", "groupby": ["{{{group|key}}}"]}
        ]
      },
      "marks": [
        {
          "type": "area",
          "properties": {
            "enter": {
              "x": {"scale": "x", "field": "_xfield"},
              "y": {"scale": "y", "field": "layout_start"},
              "y2": {"scale": "y", "field": "layout_end"},
              "fill": {"scale": "color", "field": "{{{group|key}}}"},
              "interpolate": {"value": "monotone"}
            }
          }
        }
      ],
}}
    }

{{#if:{{{title|}}}|
    // Draw title at the top of the graph
,   {
      "type": "text",
      "properties": {
        "enter": {
          "y": {"value": -15},
{{#switch: {{{titleXAlign|}}}
| left =
          "x": {"value": {{{titleXOffset|0}}} },
| right =
          "x2": {"signal": "width", "mult": 1.0, "offset": {{{titleXOffset|0}}} },
| center =
          "xc": {"signal": "width", "mult": 0.5, "offset": {{{titleXOffset|0}}} },
|         "x": {"signal": "width", "mult": 0.5, "offset": {{{titleXOffset|30}}} },
}}
          "text": {"value": "{{{title}}}"},
          "fontWeight": {"value": "bold"},
          "align": {"value": "center"},
          "baseline": {"value": "bottom"},
          "fill": {"value": "#000"}
        }
      }
    }
}}
  ]
}
<includeonly>}}
<small>{{#switch: {{{tabletype|tab}}}
|tab= {{#invoke:TNT|msg|Original/Template:Graphs.tab|source-table|{{#invoke:TNT|link|{{{table}}}}}}}.
|query= {{#invoke:TNT|msg|Original/Template:Graphs.tab|source-wdqs|https://query.wikidata.org/#{{urlencode:{{{table}}}|PATH}}}}.
}}</small></includeonly><noinclude>|lang=javascript}}<syntaxhighlight lang=html></graph></syntaxhighlight>
</noinclude>