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UPGRADE.md

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Upgrading Mapael

From 1.10.0 to 2.0.0

A. Change your update event trigger (#105)

The update event has a new signature. It now accepts a single object containing all the options.

opt.resetPlots and opt.resetAreas were removed in favor of a new options.replaceOptions

Old signature:

var updatedOptions = {};
var newPlots = {};
var deletedPlots = [];
var opt = {
    animDuration: 0,
    resetPlots: false,
    resetAreas: false,
    afterUpdate: function(){},
    newLinks: {}
    deletedLinks: []
};
$(".container").trigger('update', [updatedOptions, newPlots, deletedPlots, opt]);

New signature:

var options = {
  mapOptions: {},             // was updatedOptions
  replaceOptions: false       // replace opt.resetPlots/resetAreas: whether mapsOptions should entirely replace current map options, or just extend it,
  newPlots: {},               // was newPlots
  newLinks: {},               // was opt.newLinks
  deletePlotKeys: [],         // was deletedPlots
  deleteLinkKeys: [],         // was opt.deletedLinks
  setLegendElemsState: true,  // is new
  animDuration: 0,            // was opt.animDuration
  afterUpdate: function(){}   // was opt.afterUpdate
};
$(".container").trigger('update', [options]);

B. Behavior modification for legend slices (#84)

The behavior has changed regarding the slices max value for legends: it is now inclusive like the min value.

Old behavior:

slices[].min <= value < slices[].max

New behavior:

slices[].min <= value <= slices[].max

C. New architecture (#117)

Mapael version 2.0.0 introduces a new architecture.

Before, the unique Mapael object was stored directly inside $.fn.mapael and accessible here. The current Mapael instance of each map was not accessible.

After, you have:

  • in $.mapael: the Mapael prototype (this is not an instance of mapael, this is only the prototype)
  • in $.fn.mapael: the DOM attachment method (this is only a wrapper to attach mapael to the element by creating a mapael instance).
  • in each DOM container data: the current instance of Mapael (accessible through $(".mapcontainer").data("mapael"))

These internal changes have some external impacts:

C.1. For your maps: extend $.mapael instead of $.fn.mapael

Extending $.fn.mapael is deprecated as of Mapael version 2.0.0 and support will be removed in future version.

A warning message is logged in the console at runtime for maps extending $.fn.mapael.

The best way would be to update your map in the mapael-maps repository.

C.2. New way to override the default behavior

Basically, you need to modify the prototype inside $.mapael instead of the old $.fn.mapael.

Before:

  • override the default options: $.fn.mapael.defaultOptions = {}
  • override a method: $.fn.mapael.tooltip = function() {}

After:

  • override the default options: $.mapael.prototype.defaultOptions = {...}
  • override a method: $.mapael.prototype.setTooltip = function(...) {...}

Additional note: use $.mapael.prototype.setTooltip.call(this, ...) to call original behavior.

D. New Zoom buttons functionnality (#166)

The zoom buttons are more curstomizable! Also, a reset buttons is now available by default.

Old options:

zoom: {
    enabled: false,
    maxLevel: 10,
    step: 0.25,
    mousewheel: true,
    /* Old options */
    zoomIncssClass: "zoomIn",
    zoomOutcssClass: "zoomOut",
    /* - */
    touch: true,
    animDuration: 200,
    animEasing: "linear"
}

New options:

zoom: {
    enabled: false,
    maxLevel: 10,
    step: 0.25,
    mousewheel: true,
    touch: true,
    animDuration: 200,
    animEasing: "linear",
    /* New options */
    buttons: {
        "reset": {
            cssClass: "zoomButton zoomReset",
            content: "&#8226;", // bullet sign
            title: "Reset zoom"
        },
        "in": {
            cssClass: "zoomButton zoomIn",
            content: "+",
            title: "Zoom in"
        },
        "out": {
            cssClass: "zoomButton zoomOut",
            content: "&#8722;", // minus sign
            title: "Zoom out"
        }
    }
}