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Current File : //home/medipszd/www/bower_components/jvectormap/src/legend.js

/**
 * Represents map legend.
 * @constructor
 * @param {Object} params Configuration parameters.
 * @param {String} params.cssClass Additional CSS class to apply to legend element.
 * @param {Boolean} params.vertical If <code>true</code> legend will be rendered as vertical.
 * @param {String} params.title Legend title.
 * @param {Function} params.labelRender Method to convert series values to legend labels.
 */
jvm.Legend = function(params) {
  this.params = params || {};
  this.map = this.params.map;
  this.series = this.params.series;
  this.body = jvm.$('<div/>');
  this.body.addClass('jvectormap-legend');
  if (this.params.cssClass) {
    this.body.addClass(this.params.cssClass);
  }

  if (params.vertical) {
    this.map.legendCntVertical.append( this.body );
  } else {
    this.map.legendCntHorizontal.append( this.body );
  }

  this.render();
}

jvm.Legend.prototype.render = function(){
  var ticks = this.series.scale.getTicks(),
      i,
      inner = jvm.$('<div/>').addClass('jvectormap-legend-inner'),
      tick,
      sample,
      label;

  this.body.html('');
  if (this.params.title) {
    this.body.append(
      jvm.$('<div/>').addClass('jvectormap-legend-title').html(this.params.title)
    );
  }
  this.body.append(inner);

  for (i = 0; i < ticks.length; i++) {
    tick = jvm.$('<div/>').addClass('jvectormap-legend-tick');
    sample = jvm.$('<div/>').addClass('jvectormap-legend-tick-sample');

    switch (this.series.params.attribute) {
      case 'fill':
        if (jvm.isImageUrl(ticks[i].value)) {
          sample.css('background', 'url('+ticks[i].value+')');
        } else {
          sample.css('background', ticks[i].value);
        }
        break;
      case 'stroke':
        sample.css('background', ticks[i].value);
        break;
      case 'image':
        sample.css('background', 'url('+ticks[i].value+') no-repeat center center');
        break;
      case 'r':
        jvm.$('<div/>').css({
          'border-radius': ticks[i].value,
          border: this.map.params.markerStyle.initial['stroke-width']+'px '+
                  this.map.params.markerStyle.initial['stroke']+' solid',
          width: ticks[i].value * 2 + 'px',
          height: ticks[i].value * 2 + 'px',
          background: this.map.params.markerStyle.initial['fill']
        }).appendTo(sample);
        break;
    }
    tick.append( sample );
    label = ticks[i].label;
    if (this.params.labelRender) {
      label = this.params.labelRender(label);
    }
    tick.append( jvm.$('<div>'+label+' </div>').addClass('jvectormap-legend-tick-text') );
    inner.append(tick);
  }
  inner.append( jvm.$('<div/>').css('clear', 'both') );
}

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