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-/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
- * full list of contributors). Published under the 2-clause BSD license.
- * See license.txt in the OpenLayers distribution or repository for the
- * full text of the license. */
-
-
-/**
- * @requires OpenLayers/Control.js
- * @requires OpenLayers/Lang.js
- */
-
-/**
- * Class: OpenLayers.Control.Scale
- * The Scale control displays the current map scale as a ratio (e.g. Scale =
- * 1:1M). By default it is displayed in the lower right corner of the map.
- *
- * Inherits from:
- * - <OpenLayers.Control>
- */
-OpenLayers.Control.Scale = OpenLayers.Class(OpenLayers.Control, {
-
- /**
- * Property: element
- * {DOMElement}
- */
- element: null,
-
- /**
- * APIProperty: geodesic
- * {Boolean} Use geodesic measurement. Default is false. The recommended
- * setting for maps in EPSG:4326 is false, and true EPSG:900913. If set to
- * true, the scale will be calculated based on the horizontal size of the
- * pixel in the center of the map viewport.
- */
- geodesic: false,
-
- /**
- * Constructor: OpenLayers.Control.Scale
- *
- * Parameters:
- * element - {DOMElement}
- * options - {Object}
- */
- initialize: function(element, options) {
- OpenLayers.Control.prototype.initialize.apply(this, [options]);
- this.element = OpenLayers.Util.getElement(element);
- },
-
- /**
- * Method: draw
- *
- * Returns:
- * {DOMElement}
- */
- draw: function() {
- OpenLayers.Control.prototype.draw.apply(this, arguments);
- if (!this.element) {
- this.element = document.createElement("div");
- this.div.appendChild(this.element);
- }
- this.map.events.register( 'moveend', this, this.updateScale);
- this.updateScale();
- return this.div;
- },
-
- /**
- * Method: updateScale
- */
- updateScale: function() {
- var scale;
- if(this.geodesic === true) {
- var units = this.map.getUnits();
- if(!units) {
- return;
- }
- var inches = OpenLayers.INCHES_PER_UNIT;
- scale = (this.map.getGeodesicPixelSize().w || 0.000001) *
- inches["km"] * OpenLayers.DOTS_PER_INCH;
- } else {
- scale = this.map.getScale();
- }
-
- if (!scale) {
- return;
- }
-
- if (scale >= 9500 && scale <= 950000) {
- scale = Math.round(scale / 1000) + "K";
- } else if (scale >= 950000) {
- scale = Math.round(scale / 1000000) + "M";
- } else {
- scale = Math.round(scale);
- }
-
- this.element.innerHTML = OpenLayers.i18n("Scale = 1 : ${scaleDenom}", {'scaleDenom':scale});
- },
-
- CLASS_NAME: "OpenLayers.Control.Scale"
-});
-