jvectormap-next
Version:
jQuery plugin for embedding vector maps with reach API and methods for data visualization to the web-pages.
1,698 lines (1,478 loc) • 108 kB
JavaScript
/**
* @namespace jvm Holds core methods and classes used by jVectorMap.
*/
var jvm = {
/**
* Inherits child's prototype from the parent's one.
* @param {Function} child
* @param {Function} parent
*/
inherits: function(child, parent) {
function temp() {}
temp.prototype = parent.prototype;
child.prototype = new temp();
child.prototype.constructor = child;
child.parentClass = parent;
},
/**
* Mixes in methods from the source constructor to the target one.
* @param {Function} target
* @param {Function} source
*/
mixin: function(target, source){
var prop;
for (prop in source.prototype) {
if (source.prototype.hasOwnProperty(prop)) {
target.prototype[prop] = source.prototype[prop];
}
}
},
min: function(values){
var min = Number.MAX_VALUE,
i;
if (values instanceof Array) {
for (i = 0; i < values.length; i++) {
if (values[i] < min) {
min = values[i];
}
}
} else {
for (i in values) {
if (values[i] < min) {
min = values[i];
}
}
}
return min;
},
max: function(values){
var max = Number.MIN_VALUE,
i;
if (values instanceof Array) {
for (i = 0; i < values.length; i++) {
if (values[i] > max) {
max = values[i];
}
}
} else {
for (i in values) {
if (values[i] > max) {
max = values[i];
}
}
}
return max;
},
keys: function(object){
var keys = [],
key;
for (key in object) {
keys.push(key);
}
return keys;
},
values: function(object){
var values = [],
key,
i;
for (i = 0; i < arguments.length; i++) {
object = arguments[i];
for (key in object) {
values.push(object[key]);
}
}
return values;
},
whenImageLoaded: function(url){
var deferred = new jvm.$.Deferred(),
img = jvm.$('<img/>');
img.on('error', function(){
deferred.reject();
}).on('load', function(){
deferred.resolve(img);
});
img.attr('src', url);
return deferred;
},
isImageUrl: function(s){
return /\.\w{3,4}$/.test(s);
}
};
/**
* indexOf polyfill for IE < 9
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
*/
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (searchElement, fromIndex) {
var k;
// 1. Let O be the result of calling ToObject passing
// the this value as the argument.
if (this == null) {
throw new TypeError('"this" is null or not defined');
}
var O = Object(this);
// 2. Let lenValue be the result of calling the Get
// internal method of O with the argument "length".
// 3. Let len be ToUint32(lenValue).
var len = O.length >>> 0;
// 4. If len is 0, return -1.
if (len === 0) {
return -1;
}
// 5. If argument fromIndex was passed let n be
// ToInteger(fromIndex); else let n be 0.
var n = +fromIndex || 0;
if (Math.abs(n) === Infinity) {
n = 0;
}
// 6. If n >= len, return -1.
if (n >= len) {
return -1;
}
// 7. If n >= 0, then Let k be n.
// 8. Else, n<0, Let k be len - abs(n).
// If k is less than 0, then let k be 0.
k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
// 9. Repeat, while k < len
while (k < len) {
// a. Let Pk be ToString(k).
// This is implicit for LHS operands of the in operator
// b. Let kPresent be the result of calling the
// HasProperty internal method of O with argument Pk.
// This step can be combined with c
// c. If kPresent is true, then
// i. Let elementK be the result of calling the Get
// internal method of O with the argument ToString(k).
// ii. Let same be the result of applying the
// Strict Equality Comparison Algorithm to
// searchElement and elementK.
// iii. If same is true, return k.
if (k in O && O[k] === searchElement) {
return k;
}
k++;
}
return -1;
};
}
/**
* jVectorMap version 3+
*
* Copyright 2011-2014, Kirill Lebedev
*
*/
(function (factory) {
if (typeof exports === 'object') {
// Node/CommonJS style for Browserify
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
jvm.$ = $;
var apiParams = {
set: {
colors: 1,
values: 1,
backgroundColor: 1,
scaleColors: 1,
normalizeFunction: 1,
focus: 1
},
get: {
selectedRegions: 1,
selectedMarkers: 1,
mapObject: 1,
regionName: 1
}
};
$.fn.vectorMap = function(options) {
var map,
methodName,
map = this.children('.jvectormap-container').data('mapObject');
if (options === 'addMap') {
jvm.Map.maps[arguments[1]] = arguments[2];
} else if ((options === 'set' || options === 'get') && apiParams[options][arguments[1]]) {
methodName = arguments[1].charAt(0).toUpperCase()+arguments[1].substr(1);
return map[options+methodName].apply(map, Array.prototype.slice.call(arguments, 2));
} else {
options = options || {};
options.container = this;
map = new jvm.Map(options);
}
return this;
};
}));
/*! Copyright (c) 2013 Brandon Aaron (http://brandon.aaron.sh)
* Licensed under the MIT License (LICENSE.txt).
*
* Version: 3.1.9
*
* Requires: jQuery 1.2.2+
*/
(function (factory) {
if ( typeof define === 'function' && define.amd ) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS style for Browserify
module.exports = factory;
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
toBind = ( 'onwheel' in document || document.documentMode >= 9 ) ?
['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
slice = Array.prototype.slice,
nullLowestDeltaTimeout, lowestDelta;
if ( $.event.fixHooks ) {
for ( var i = toFix.length; i; ) {
$.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
}
}
var special = $.event.special.mousewheel = {
version: '3.1.9',
setup: function() {
if ( this.addEventListener ) {
for ( var i = toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = handler;
}
// Store the line height and page height for this particular element
$.data(this, 'mousewheel-line-height', special.getLineHeight(this));
$.data(this, 'mousewheel-page-height', special.getPageHeight(this));
},
teardown: function() {
if ( this.removeEventListener ) {
for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
},
getLineHeight: function(elem) {
return parseInt($(elem)['offsetParent' in $.fn ? 'offsetParent' : 'parent']().css('fontSize'), 10);
},
getPageHeight: function(elem) {
return $(elem).height();
},
settings: {
adjustOldDeltas: true
}
};
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
},
unmousewheel: function(fn) {
return this.unbind('mousewheel', fn);
}
});
function handler(event) {
var orgEvent = event || window.event,
args = slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0;
event = $.event.fix(orgEvent);
event.type = 'mousewheel';
// Old school scrollwheel delta
if ( 'detail' in orgEvent ) { deltaY = orgEvent.detail * -1; }
if ( 'wheelDelta' in orgEvent ) { deltaY = orgEvent.wheelDelta; }
if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY; }
if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
// Firefox < 17 horizontal scrolling related to DOMMouseScroll event
if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaX = deltaY * -1;
deltaY = 0;
}
// Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
delta = deltaY === 0 ? deltaX : deltaY;
// New school wheel delta (wheel event)
if ( 'deltaY' in orgEvent ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( 'deltaX' in orgEvent ) {
deltaX = orgEvent.deltaX;
if ( deltaY === 0 ) { delta = deltaX * -1; }
}
// No change actually happened, no reason to go any further
if ( deltaY === 0 && deltaX === 0 ) { return; }
// Need to convert lines and pages to pixels if we aren't already in pixels
// There are three delta modes:
// * deltaMode 0 is by pixels, nothing to do
// * deltaMode 1 is by lines
// * deltaMode 2 is by pages
if ( orgEvent.deltaMode === 1 ) {
var lineHeight = $.data(this, 'mousewheel-line-height');
delta *= lineHeight;
deltaY *= lineHeight;
deltaX *= lineHeight;
} else if ( orgEvent.deltaMode === 2 ) {
var pageHeight = $.data(this, 'mousewheel-page-height');
delta *= pageHeight;
deltaY *= pageHeight;
deltaX *= pageHeight;
}
// Store lowest absolute delta to normalize the delta values
absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDelta || absDelta < lowestDelta ) {
lowestDelta = absDelta;
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
lowestDelta /= 40;
}
}
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
// Divide all the things by 40!
delta /= 40;
deltaX /= 40;
deltaY /= 40;
}
// Get a whole, normalized value for the deltas
delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta);
deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
// Add information to the event object
event.deltaX = deltaX;
event.deltaY = deltaY;
event.deltaFactor = lowestDelta;
// Go ahead and set deltaMode to 0 since we converted to pixels
// Although this is a little odd since we overwrite the deltaX/Y
// properties with normalized deltas.
event.deltaMode = 0;
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Clearout lowestDelta after sometime to better
// handle multiple device types that give different
// a different lowestDelta
// Ex: trackpad = 3 and mouse wheel = 120
if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); }
nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
function nullLowestDelta() {
lowestDelta = null;
}
function shouldAdjustOldDeltas(orgEvent, absDelta) {
// If this is an older event and the delta is divisable by 120,
// then we are assuming that the browser is treating this as an
// older mouse wheel event and that we should divide the deltas
// by 40 to try and get a more usable deltaFactor.
// Side note, this actually impacts the reported scroll distance
// in older browsers and can cause scrolling to be slower than native.
// Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
}
}));/**
* Basic wrapper for DOM element.
* @constructor
* @param {String} name Tag name of the element
* @param {Object} config Set of parameters to initialize element with
*/
jvm.AbstractElement = function(name, config){
/**
* Underlying DOM element
* @type {DOMElement}
* @private
*/
this.node = this.createElement(name);
/**
* Name of underlying element
* @type {String}
* @private
*/
this.name = name;
/**
* Internal store of attributes
* @type {Object}
* @private
*/
this.properties = {};
if (config) {
this.set(config);
}
};
/**
* Set attribute of the underlying DOM element.
* @param {String} name Name of attribute
* @param {Number|String} config Set of parameters to initialize element with
*/
jvm.AbstractElement.prototype.set = function(property, value){
var key;
if (typeof property === 'object') {
for (key in property) {
this.properties[key] = property[key];
this.applyAttr(key, property[key]);
}
} else {
this.properties[property] = value;
this.applyAttr(property, value);
}
};
/**
* Returns value of attribute.
* @param {String} name Name of attribute
*/
jvm.AbstractElement.prototype.get = function(property){
return this.properties[property];
};
/**
* Applies attribute value to the underlying DOM element.
* @param {String} name Name of attribute
* @param {Number|String} config Value of attribute to apply
* @private
*/
jvm.AbstractElement.prototype.applyAttr = function(property, value){
this.node.setAttribute(property, value);
};
jvm.AbstractElement.prototype.remove = function(){
jvm.$(this.node).remove();
};/**
* Implements abstract vector canvas.
* @constructor
* @param {HTMLElement} container Container to put element to.
* @param {Number} width Width of canvas.
* @param {Number} height Height of canvas.
*/
jvm.AbstractCanvasElement = function(container, width, height){
this.container = container;
this.setSize(width, height);
this.rootElement = new jvm[this.classPrefix+'GroupElement']();
this.node.appendChild( this.rootElement.node );
this.container.appendChild(this.node);
}
/**
* Add element to the certain group inside of the canvas.
* @param {HTMLElement} element Element to add to canvas.
* @param {HTMLElement} group Group to add element into or into root group if not provided.
*/
jvm.AbstractCanvasElement.prototype.add = function(element, group){
group = group || this.rootElement;
group.add(element);
element.canvas = this;
}
/**
* Create path and add it to the canvas.
* @param {Object} config Parameters of path to create.
* @param {Object} style Styles of the path to create.
* @param {HTMLElement} group Group to add path into.
*/
jvm.AbstractCanvasElement.prototype.addPath = function(config, style, group){
var el = new jvm[this.classPrefix+'PathElement'](config, style);
this.add(el, group);
return el;
};
/**
* Create circle and add it to the canvas.
* @param {Object} config Parameters of path to create.
* @param {Object} style Styles of the path to create.
* @param {HTMLElement} group Group to add circle into.
*/
jvm.AbstractCanvasElement.prototype.addCircle = function(config, style, group){
var el = new jvm[this.classPrefix+'CircleElement'](config, style);
this.add(el, group);
return el;
};
/**
* Create circle and add it to the canvas.
* @param {Object} config Parameters of path to create.
* @param {Object} style Styles of the path to create.
* @param {HTMLElement} group Group to add circle into.
*/
jvm.AbstractCanvasElement.prototype.addImage = function(config, style, group){
var el = new jvm[this.classPrefix+'ImageElement'](config, style);
this.add(el, group);
return el;
};
/**
* Create text and add it to the canvas.
* @param {Object} config Parameters of path to create.
* @param {Object} style Styles of the path to create.
* @param {HTMLElement} group Group to add circle into.
*/
jvm.AbstractCanvasElement.prototype.addText = function(config, style, group){
var el = new jvm[this.classPrefix+'TextElement'](config, style);
this.add(el, group);
return el;
};
/**
* Add group to the another group inside of the canvas.
* @param {HTMLElement} group Group to add circle into or root group if not provided.
*/
jvm.AbstractCanvasElement.prototype.addGroup = function(parentGroup){
var el = new jvm[this.classPrefix+'GroupElement']();
if (parentGroup) {
parentGroup.node.appendChild(el.node);
} else {
this.node.appendChild(el.node);
}
el.canvas = this;
return el;
};/**
* Abstract shape element. Shape element represents some visual vector or raster object.
* @constructor
* @param {String} name Tag name of the element.
* @param {Object} config Set of parameters to initialize element with.
* @param {Object} style Object with styles to set on element initialization.
*/
jvm.AbstractShapeElement = function(name, config, style){
this.style = style || {};
this.style.current = this.style.current || {};
this.isHovered = false;
this.isSelected = false;
this.updateStyle();
};
/**
* Set element's style.
* @param {Object|String} property Could be string to set only one property or object to set several style properties at once.
* @param {String} value Value to set in case only one property should be set.
*/
jvm.AbstractShapeElement.prototype.setStyle = function(property, value){
var styles = {};
if (typeof property === 'object') {
styles = property;
} else {
styles[property] = value;
}
jvm.$.extend(this.style.current, styles);
this.updateStyle();
};
jvm.AbstractShapeElement.prototype.updateStyle = function(){
var attrs = {};
jvm.AbstractShapeElement.mergeStyles(attrs, this.style.initial);
jvm.AbstractShapeElement.mergeStyles(attrs, this.style.current);
if (this.isHovered) {
jvm.AbstractShapeElement.mergeStyles(attrs, this.style.hover);
}
if (this.isSelected) {
jvm.AbstractShapeElement.mergeStyles(attrs, this.style.selected);
if (this.isHovered) {
jvm.AbstractShapeElement.mergeStyles(attrs, this.style.selectedHover);
}
}
this.set(attrs);
};
jvm.AbstractShapeElement.mergeStyles = function(styles, newStyles){
var key;
newStyles = newStyles || {};
for (key in newStyles) {
if (newStyles[key] === null) {
delete styles[key];
} else {
styles[key] = newStyles[key];
}
}
}/**
* Wrapper for SVG element.
* @constructor
* @extends jvm.AbstractElement
* @param {String} name Tag name of the element
* @param {Object} config Set of parameters to initialize element with
*/
jvm.SVGElement = function(name, config){
jvm.SVGElement.parentClass.apply(this, arguments);
}
jvm.inherits(jvm.SVGElement, jvm.AbstractElement);
jvm.SVGElement.svgns = "http://www.w3.org/2000/svg";
/**
* Creates DOM element.
* @param {String} tagName Name of element
* @private
* @returns DOMElement
*/
jvm.SVGElement.prototype.createElement = function( tagName ){
return document.createElementNS( jvm.SVGElement.svgns, tagName );
};
/**
* Adds CSS class for underlying DOM element.
* @param {String} className Name of CSS class name
*/
jvm.SVGElement.prototype.addClass = function( className ){
this.node.setAttribute('class', className);
};
/**
* Returns constructor for element by name prefixed with 'VML'.
* @param {String} ctr Name of basic constructor to return
* proper implementation for.
* @returns Function
* @private
*/
jvm.SVGElement.prototype.getElementCtr = function( ctr ){
return jvm['SVG'+ctr];
};
jvm.SVGElement.prototype.getBBox = function(){
return this.node.getBBox();
};jvm.SVGGroupElement = function(){
jvm.SVGGroupElement.parentClass.call(this, 'g');
}
jvm.inherits(jvm.SVGGroupElement, jvm.SVGElement);
jvm.SVGGroupElement.prototype.add = function(element){
this.node.appendChild( element.node );
};jvm.SVGCanvasElement = function(container, width, height){
this.classPrefix = 'SVG';
jvm.SVGCanvasElement.parentClass.call(this, 'svg');
this.defsElement = new jvm.SVGElement('defs');
this.node.appendChild( this.defsElement.node );
jvm.AbstractCanvasElement.apply(this, arguments);
}
jvm.inherits(jvm.SVGCanvasElement, jvm.SVGElement);
jvm.mixin(jvm.SVGCanvasElement, jvm.AbstractCanvasElement);
jvm.SVGCanvasElement.prototype.setSize = function(width, height){
this.width = width;
this.height = height;
this.node.setAttribute('width', width);
this.node.setAttribute('height', height);
};
jvm.SVGCanvasElement.prototype.applyTransformParams = function(scale, transX, transY) {
this.scale = scale;
this.transX = transX;
this.transY = transY;
this.rootElement.node.setAttribute('transform', 'scale('+scale+') translate('+transX+', '+transY+')');
};jvm.SVGShapeElement = function(name, config, style){
jvm.SVGShapeElement.parentClass.call(this, name, config);
jvm.AbstractShapeElement.apply(this, arguments);
};
jvm.inherits(jvm.SVGShapeElement, jvm.SVGElement);
jvm.mixin(jvm.SVGShapeElement, jvm.AbstractShapeElement);
jvm.SVGShapeElement.prototype.applyAttr = function(attr, value){
var patternEl,
imageEl,
that = this;
if (attr === 'fill' && jvm.isImageUrl(value)) {
if (!jvm.SVGShapeElement.images[value]) {
jvm.whenImageLoaded(value).then(function(img){
imageEl = new jvm.SVGElement('image');
imageEl.node.setAttributeNS('http://www.w3.org/1999/xlink', 'href', value);
imageEl.applyAttr('x', '0');
imageEl.applyAttr('y', '0');
imageEl.applyAttr('width', img[0].width);
imageEl.applyAttr('height', img[0].height);
patternEl = new jvm.SVGElement('pattern');
patternEl.applyAttr('id', 'image'+jvm.SVGShapeElement.imageCounter);
patternEl.applyAttr('x', 0);
patternEl.applyAttr('y', 0);
patternEl.applyAttr('width', img[0].width / 2);
patternEl.applyAttr('height', img[0].height / 2);
patternEl.applyAttr('viewBox', '0 0 '+img[0].width+' '+img[0].height);
patternEl.applyAttr('patternUnits', 'userSpaceOnUse');
patternEl.node.appendChild( imageEl.node );
that.canvas.defsElement.node.appendChild( patternEl.node );
jvm.SVGShapeElement.images[value] = jvm.SVGShapeElement.imageCounter++;
that.applyAttr('fill', 'url(#image'+jvm.SVGShapeElement.images[value]+')');
});
} else {
this.applyAttr('fill', 'url(#image'+jvm.SVGShapeElement.images[value]+')');
}
} else {
jvm.SVGShapeElement.parentClass.prototype.applyAttr.apply(this, arguments);
}
};
jvm.SVGShapeElement.imageCounter = 1;
jvm.SVGShapeElement.images = {};jvm.SVGPathElement = function(config, style){
jvm.SVGPathElement.parentClass.call(this, 'path', config, style);
this.node.setAttribute('fill-rule', 'evenodd');
}
jvm.inherits(jvm.SVGPathElement, jvm.SVGShapeElement);jvm.SVGCircleElement = function(config, style){
jvm.SVGCircleElement.parentClass.call(this, 'circle', config, style);
};
jvm.inherits(jvm.SVGCircleElement, jvm.SVGShapeElement);jvm.SVGImageElement = function(config, style){
jvm.SVGImageElement.parentClass.call(this, 'image', config, style);
};
jvm.inherits(jvm.SVGImageElement, jvm.SVGShapeElement);
jvm.SVGImageElement.prototype.applyAttr = function(attr, value){
var that = this,
imageUrl;
if (attr == 'image') {
if (typeof value == 'object') {
imageUrl = value.url;
this.offset = value.offset;
} else {
imageUrl = value;
this.offset = [0, 0];
}
jvm.whenImageLoaded(imageUrl).then(function(img){
that.node.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageUrl);
that.width = img[0].width;
that.height = img[0].height;
that.applyAttr('width', that.width);
that.applyAttr('height', that.height);
that.applyAttr('x', that.cx - that.width / 2 + that.offset[0]);
that.applyAttr('y', that.cy - that.height / 2 + that.offset[1]);
jvm.$(that.node).trigger('imageloaded', [img]);
});
} else if(attr == 'cx') {
this.cx = value;
if (this.width) {
this.applyAttr('x', value - this.width / 2 + this.offset[0]);
}
} else if(attr == 'cy') {
this.cy = value;
if (this.height) {
this.applyAttr('y', value - this.height / 2 + this.offset[1]);
}
} else {
jvm.SVGImageElement.parentClass.prototype.applyAttr.apply(this, arguments);
}
};
jvm.SVGTextElement = function(config, style){
jvm.SVGTextElement.parentClass.call(this, 'text', config, style);
}
jvm.inherits(jvm.SVGTextElement, jvm.SVGShapeElement);
jvm.SVGTextElement.prototype.applyAttr = function(attr, value){
if (attr === 'text') {
this.node.textContent = value;
} else {
jvm.SVGTextElement.parentClass.prototype.applyAttr.apply(this, arguments);
}
};/**
* Wrapper for VML element.
* @constructor
* @extends jvm.AbstractElement
* @param {String} name Tag name of the element
* @param {Object} config Set of parameters to initialize element with
*/
jvm.VMLElement = function(name, config){
if (!jvm.VMLElement.VMLInitialized) {
jvm.VMLElement.initializeVML();
}
jvm.VMLElement.parentClass.apply(this, arguments);
};
jvm.inherits(jvm.VMLElement, jvm.AbstractElement);
/**
* Shows if VML was already initialized for the current document or not.
* @static
* @private
* @type {Boolean}
*/
jvm.VMLElement.VMLInitialized = false;
/**
* Initializes VML handling before creating the first element
* (adds CSS class and creates namespace). Adds one of two forms
* of createElement method depending of support by browser.
* @static
* @private
*/
// The following method of VML handling is borrowed from the
// Raphael library by Dmitry Baranovsky.
jvm.VMLElement.initializeVML = function(){
try {
if (!document.namespaces.rvml) {
document.namespaces.add("rvml","urn:schemas-microsoft-com:vml");
}
/**
* Creates DOM element.
* @param {String} tagName Name of element
* @private
* @returns DOMElement
*/
jvm.VMLElement.prototype.createElement = function (tagName) {
return document.createElement('<rvml:' + tagName + ' class="rvml">');
};
} catch (e) {
/**
* @private
*/
jvm.VMLElement.prototype.createElement = function (tagName) {
return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
};
}
document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
jvm.VMLElement.VMLInitialized = true;
};
/**
* Returns constructor for element by name prefixed with 'VML'.
* @param {String} ctr Name of basic constructor to return
* proper implementation for.
* @returns Function
* @private
*/
jvm.VMLElement.prototype.getElementCtr = function( ctr ){
return jvm['VML'+ctr];
};
/**
* Adds CSS class for underlying DOM element.
* @param {String} className Name of CSS class name
*/
jvm.VMLElement.prototype.addClass = function( className ){
jvm.$(this.node).addClass(className);
};
/**
* Applies attribute value to the underlying DOM element.
* @param {String} name Name of attribute
* @param {Number|String} config Value of attribute to apply
* @private
*/
jvm.VMLElement.prototype.applyAttr = function( attr, value ){
this.node[attr] = value;
};
/**
* Returns boundary box for the element.
* @returns {Object} Boundary box with numeric fields: x, y, width, height
* @override
*/
jvm.VMLElement.prototype.getBBox = function(){
var node = jvm.$(this.node);
return {
x: node.position().left / this.canvas.scale,
y: node.position().top / this.canvas.scale,
width: node.width() / this.canvas.scale,
height: node.height() / this.canvas.scale
};
};jvm.VMLGroupElement = function(){
jvm.VMLGroupElement.parentClass.call(this, 'group');
this.node.style.left = '0px';
this.node.style.top = '0px';
this.node.coordorigin = "0 0";
};
jvm.inherits(jvm.VMLGroupElement, jvm.VMLElement);
jvm.VMLGroupElement.prototype.add = function(element){
this.node.appendChild( element.node );
};jvm.VMLCanvasElement = function(container, width, height){
this.classPrefix = 'VML';
jvm.VMLCanvasElement.parentClass.call(this, 'group');
jvm.AbstractCanvasElement.apply(this, arguments);
this.node.style.position = 'absolute';
};
jvm.inherits(jvm.VMLCanvasElement, jvm.VMLElement);
jvm.mixin(jvm.VMLCanvasElement, jvm.AbstractCanvasElement);
jvm.VMLCanvasElement.prototype.setSize = function(width, height){
var paths,
groups,
i,
l;
this.width = width;
this.height = height;
this.node.style.width = width + "px";
this.node.style.height = height + "px";
this.node.coordsize = width+' '+height;
this.node.coordorigin = "0 0";
if (this.rootElement) {
paths = this.rootElement.node.getElementsByTagName('shape');
for(i = 0, l = paths.length; i < l; i++) {
paths[i].coordsize = width+' '+height;
paths[i].style.width = width+'px';
paths[i].style.height = height+'px';
}
groups = this.node.getElementsByTagName('group');
for(i = 0, l = groups.length; i < l; i++) {
groups[i].coordsize = width+' '+height;
groups[i].style.width = width+'px';
groups[i].style.height = height+'px';
}
}
};
jvm.VMLCanvasElement.prototype.applyTransformParams = function(scale, transX, transY) {
this.scale = scale;
this.transX = transX;
this.transY = transY;
this.rootElement.node.coordorigin = (this.width-transX-this.width/100)+','+(this.height-transY-this.height/100);
this.rootElement.node.coordsize = this.width/scale+','+this.height/scale;
};jvm.VMLShapeElement = function(name, config){
jvm.VMLShapeElement.parentClass.call(this, name, config);
this.fillElement = new jvm.VMLElement('fill');
this.strokeElement = new jvm.VMLElement('stroke');
this.node.appendChild(this.fillElement.node);
this.node.appendChild(this.strokeElement.node);
this.node.stroked = false;
jvm.AbstractShapeElement.apply(this, arguments);
};
jvm.inherits(jvm.VMLShapeElement, jvm.VMLElement);
jvm.mixin(jvm.VMLShapeElement, jvm.AbstractShapeElement);
jvm.VMLShapeElement.prototype.applyAttr = function(attr, value){
switch (attr) {
case 'fill':
this.node.fillcolor = value;
break;
case 'fill-opacity':
this.fillElement.node.opacity = Math.round(value*100)+'%';
break;
case 'stroke':
if (value === 'none') {
this.node.stroked = false;
} else {
this.node.stroked = true;
}
this.node.strokecolor = value;
break;
case 'stroke-opacity':
this.strokeElement.node.opacity = Math.round(value*100)+'%';
break;
case 'stroke-width':
if (parseInt(value, 10) === 0) {
this.node.stroked = false;
} else {
this.node.stroked = true;
}
this.node.strokeweight = value;
break;
case 'd':
this.node.path = jvm.VMLPathElement.pathSvgToVml(value);
break;
default:
jvm.VMLShapeElement.parentClass.prototype.applyAttr.apply(this, arguments);
}
};jvm.VMLPathElement = function(config, style){
var scale = new jvm.VMLElement('skew');
jvm.VMLPathElement.parentClass.call(this, 'shape', config, style);
this.node.coordorigin = "0 0";
scale.node.on = true;
scale.node.matrix = '0.01,0,0,0.01,0,0';
scale.node.offset = '0,0';
this.node.appendChild(scale.node);
};
jvm.inherits(jvm.VMLPathElement, jvm.VMLShapeElement);
jvm.VMLPathElement.prototype.applyAttr = function(attr, value){
if (attr === 'd') {
this.node.path = jvm.VMLPathElement.pathSvgToVml(value);
} else {
jvm.VMLShapeElement.prototype.applyAttr.call(this, attr, value);
}
};
jvm.VMLPathElement.pathSvgToVml = function(path) {
var cx = 0, cy = 0, ctrlx, ctrly;
path = path.replace(/(-?\d+)e(-?\d+)/g, '0');
return path.replace(/([MmLlHhVvCcSs])\s*((?:-?\d*(?:\.\d+)?\s*,?\s*)+)/g, function(segment, letter, coords, index){
coords = coords.replace(/(\d)-/g, '$1,-')
.replace(/^\s+/g, '')
.replace(/\s+$/g, '')
.replace(/\s+/g, ',').split(',');
if (!coords[0]) coords.shift();
for (var i=0, l=coords.length; i<l; i++) {
coords[i] = Math.round(100*coords[i]);
}
switch (letter) {
case 'm':
cx += coords[0];
cy += coords[1];
return 't'+coords.join(',');
case 'M':
cx = coords[0];
cy = coords[1];
return 'm'+coords.join(',');
case 'l':
cx += coords[0];
cy += coords[1];
return 'r'+coords.join(',');
case 'L':
cx = coords[0];
cy = coords[1];
return 'l'+coords.join(',');
case 'h':
cx += coords[0];
return 'r'+coords[0]+',0';
case 'H':
cx = coords[0];
return 'l'+cx+','+cy;
case 'v':
cy += coords[0];
return 'r0,'+coords[0];
case 'V':
cy = coords[0];
return 'l'+cx+','+cy;
case 'c':
ctrlx = cx + coords[coords.length-4];
ctrly = cy + coords[coords.length-3];
cx += coords[coords.length-2];
cy += coords[coords.length-1];
return 'v'+coords.join(',');
case 'C':
ctrlx = coords[coords.length-4];
ctrly = coords[coords.length-3];
cx = coords[coords.length-2];
cy = coords[coords.length-1];
return 'c'+coords.join(',');
case 's':
coords.unshift(cy-ctrly);
coords.unshift(cx-ctrlx);
ctrlx = cx + coords[coords.length-4];
ctrly = cy + coords[coords.length-3];
cx += coords[coords.length-2];
cy += coords[coords.length-1];
return 'v'+coords.join(',');
case 'S':
coords.unshift(cy+cy-ctrly);
coords.unshift(cx+cx-ctrlx);
ctrlx = coords[coords.length-4];
ctrly = coords[coords.length-3];
cx = coords[coords.length-2];
cy = coords[coords.length-1];
return 'c'+coords.join(',');
}
return '';
}).replace(/z/g, 'e');
};jvm.VMLCircleElement = function(config, style){
jvm.VMLCircleElement.parentClass.call(this, 'oval', config, style);
};
jvm.inherits(jvm.VMLCircleElement, jvm.VMLShapeElement);
jvm.VMLCircleElement.prototype.applyAttr = function(attr, value){
switch (attr) {
case 'r':
this.node.style.width = value*2+'px';
this.node.style.height = value*2+'px';
this.applyAttr('cx', this.get('cx') || 0);
this.applyAttr('cy', this.get('cy') || 0);
break;
case 'cx':
if (!value) return;
this.node.style.left = value - (this.get('r') || 0) + 'px';
break;
case 'cy':
if (!value) return;
this.node.style.top = value - (this.get('r') || 0) + 'px';
break;
default:
jvm.VMLCircleElement.parentClass.prototype.applyAttr.call(this, attr, value);
}
};/**
* Class for vector images manipulations.
* @constructor
* @param {DOMElement} container to place canvas to
* @param {Number} width
* @param {Number} height
*/
jvm.VectorCanvas = function(container, width, height) {
this.mode = window.SVGAngle ? 'svg' : 'vml';
if (this.mode == 'svg') {
this.impl = new jvm.SVGCanvasElement(container, width, height);
} else {
this.impl = new jvm.VMLCanvasElement(container, width, height);
}
this.impl.mode = this.mode;
return this.impl;
};jvm.SimpleScale = function(scale){
this.scale = scale;
};
jvm.SimpleScale.prototype.getValue = function(value){
return value;
};jvm.OrdinalScale = function(scale){
this.scale = scale;
};
jvm.OrdinalScale.prototype.getValue = function(value){
return this.scale[value];
};
jvm.OrdinalScale.prototype.getTicks = function(){
var ticks = [],
key;
for (key in this.scale) {
ticks.push({
label: key,
value: this.scale[key]
});
}
return ticks;
};jvm.NumericScale = function(scale, normalizeFunction, minValue, maxValue) {
this.scale = [];
normalizeFunction = normalizeFunction || 'linear';
if (scale) this.setScale(scale);
if (normalizeFunction) this.setNormalizeFunction(normalizeFunction);
if (typeof minValue !== 'undefined' ) this.setMin(minValue);
if (typeof maxValue !== 'undefined' ) this.setMax(maxValue);
};
jvm.NumericScale.prototype = {
setMin: function(min) {
this.clearMinValue = min;
if (typeof this.normalize === 'function') {
this.minValue = this.normalize(min);
} else {
this.minValue = min;
}
},
setMax: function(max) {
this.clearMaxValue = max;
if (typeof this.normalize === 'function') {
this.maxValue = this.normalize(max);
} else {
this.maxValue = max;
}
},
setScale: function(scale) {
var i;
this.scale = [];
for (i = 0; i < scale.length; i++) {
this.scale[i] = [scale[i]];
}
},
setNormalizeFunction: function(f) {
if (f === 'polynomial') {
this.normalize = function(value) {
return Math.pow(value, 0.2);
}
} else if (f === 'linear') {
delete this.normalize;
} else {
this.normalize = f;
}
this.setMin(this.clearMinValue);
this.setMax(this.clearMaxValue);
},
getValue: function(value) {
var lengthes = [],
fullLength = 0,
l,
i = 0,
c;
if (typeof this.normalize === 'function') {
value = this.normalize(value);
}
for (i = 0; i < this.scale.length-1; i++) {
l = this.vectorLength(this.vectorSubtract(this.scale[i+1], this.scale[i]));
lengthes.push(l);
fullLength += l;
}
c = (this.maxValue - this.minValue) / fullLength;
for (i=0; i<lengthes.length; i++) {
lengthes[i] *= c;
}
i = 0;
value -= this.minValue;
while (value - lengthes[i] >= 0) {
value -= lengthes[i];
i++;
}
if (i == this.scale.length - 1) {
value = this.vectorToNum(this.scale[i])
} else {
value = (
this.vectorToNum(
this.vectorAdd(this.scale[i],
this.vectorMult(
this.vectorSubtract(this.scale[i+1], this.scale[i]),
(value) / (lengthes[i])
)
)
)
);
}
return value;
},
vectorToNum: function(vector) {
var num = 0,
i;
for (i = 0; i < vector.length; i++) {
num += Math.round(vector[i])*Math.pow(256, vector.length-i-1);
}
return num;
},
vectorSubtract: function(vector1, vector2) {
var vector = [],
i;
for (i = 0; i < vector1.length; i++) {
vector[i] = vector1[i] - vector2[i];
}
return vector;
},
vectorAdd: function(vector1, vector2) {
var vector = [],
i;
for (i = 0; i < vector1.length; i++) {
vector[i] = vector1[i] + vector2[i];
}
return vector;
},
vectorMult: function(vector, num) {
var result = [],
i;
for (i = 0; i < vector.length; i++) {
result[i] = vector[i] * num;
}
return result;
},
vectorLength: function(vector) {
var result = 0,
i;
for (i = 0; i < vector.length; i++) {
result += vector[i] * vector[i];
}
return Math.sqrt(result);
},
/* Derived from d3 implementation https://github.com/mbostock/d3/blob/master/src/scale/linear.js#L94 */
getTicks: function(){
var m = 5,
extent = [this.clearMinValue, this.clearMaxValue],
span = extent[1] - extent[0],
step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)),
err = m / span * step,
ticks = [],
tick,
v;
if (err <= .15) step *= 10;
else if (err <= .35) step *= 5;
else if (err <= .75) step *= 2;
extent[0] = Math.floor(extent[0] / step) * step;
extent[1] = Math.ceil(extent[1] / step) * step;
tick = extent[0];
while (tick <= extent[1]) {
if (tick == extent[0]) {
v = this.clearMinValue;
} else if (tick == extent[1]) {
v = this.clearMaxValue;
} else {
v = tick;
}
ticks.push({
label: tick,
value: this.getValue(v)
});
tick += step;
}
return ticks;
}
};
jvm.ColorScale = function(colors, normalizeFunction, minValue, maxValue) {
jvm.ColorScale.parentClass.apply(this, arguments);
}
jvm.inherits(jvm.ColorScale, jvm.NumericScale);
jvm.ColorScale.prototype.setScale = function(scale) {
var i;
for (i = 0; i < scale.length; i++) {
this.scale[i] = jvm.ColorScale.rgbToArray(scale[i]);
}
};
jvm.ColorScale.prototype.getValue = function(value) {
return jvm.ColorScale.numToRgb(jvm.ColorScale.parentClass.prototype.getValue.call(this, value));
};
jvm.ColorScale.arrayToRgb = function(ar) {
var rgb = '#',
d,
i;
for (i = 0; i < ar.length; i++) {
d = ar[i].toString(16);
rgb += d.length == 1 ? '0'+d : d;
}
return rgb;
};
jvm.ColorScale.numToRgb = function(num) {
num = num.toString(16);
while (num.length < 6) {
num = '0' + num;
}
return '#'+num;
};
jvm.ColorScale.rgbToArray = function(rgb) {
rgb = rgb.substr(1);
return [parseInt(rgb.substr(0, 2), 16), parseInt(rgb.substr(2, 2), 16), parseInt(rgb.substr(4, 2), 16)];
};/**
* 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.$('<div/>').addClass('jvectormap-legend-tick-sample');
switch (this.series.params.attribute) {
case 'fill':
if (jvm.isImageUrl(ticks[i].value)) {
sample.css('background', 'url('+ticks[i].value+')');
} else {
sample.css('background', ticks[i].value);
}
break;
case 'stroke':
sample.css('background', ticks[i].value);
break;
case 'image':
sample.css('background', 'url('+(typeof ticks[i].value === 'object' ? ticks[i].value.url : ticks[i].value)+') no-repeat center center');
break;
case 'r':
jvm.$('<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') );
}/**
* Creates data series.
* @constructor
* @param {Object} params Parameters to initialize series with.
* @param {Array} params.values The data set to visualize.
* @param {String} params.attribute Numeric, color or image attribute to use for data visualization. This could be: <code>fill</code>, <code>stroke</code>, <code>fill-opacity</code>, <code>stroke-opacity</code> for markers and regions and <code>r</code> (radius) or <code>image</code> for markers only.
* @param {Array} params.scale Values used to map a dimension of data to a visual representation. The first value sets visualization for minimum value from the data set and the last value sets visualization for the maximum value. There also could be intermidiate values. Default value is <code>['#C8EEFF', '#0071A4']</code>.
* @param {Function|String} params.normalizeFunction The function used to map input values to the provided scale. This parameter could be provided as function or one of the strings: <code>'linear'</code> or <code>'polynomial'</code>, while <code>'linear'</code> is used by default. The function provided takes value from the data set as an input and returns corresponding value from the scale.
* @param {Number} params.min Minimum value of the data set. Could be calculated automatically if not provided.
* @param {Number} params.max Maximum value of the data set. Could be calculated automatically if not provided.
*/
jvm.DataSeries = function(params, elements, map) {
var scaleConstructor;
params = params || {};
params.attribute = params.attribute || 'fill';
this.elements = elements;
this.params = params;
this.map = map;
if (params.attributes) {
this.setAttributes(params.attributes);
}
if (jvm.$.isArray(params.scale)) {
scaleConstructor = (params.attribute === 'fill' || params.attribute === 'stroke') ? jvm.ColorScale : jvm.NumericScale;
this.scale = new scaleConstructor(params.scale, params.normalizeFunction, params.min, params.max);
} else if (params.scale) {
this.scale = new jvm.OrdinalScale(params.scale);
} else {
this.scale = new jvm.SimpleScale(params.scale);
}
this.values = params.values || {};
this.setValues(this.values);
if (this.params.legend) {
this.legend = new jvm.Legend(jvm.$.extend({
map: this.map,
series: this
}, this.params.legend))
}
};
jvm.DataSeries.prototype = {
setAttributes: function(key, attr){
var attrs = key,
code;
if (typeof key == 'string') {
if (this.elements[key]) {
this.elements[key].setStyle(this.params.attribute, attr);
}
} else {
for (code in attrs) {
if (this.elements[code]) {
this.elements[code].element.setStyle(this.params.attribute, attrs[code]);
}
}
}
},
/**
* Set values for the data set.
* @param {Object} values Object which maps codes of regions or markers to values.
*/
setValues: function(values) {
var max = -Number.MAX_VALUE,
min = Number.MAX_VALUE,
val,
cc,
attrs = {};
if (!(this.scale instanceof jvm.OrdinalScale) && !(this.scale instanceof jvm.SimpleScale)) {
// we have a color scale as an array
if (typeof this.params.min === 'undefined' || typeof this.params.max === 'undefined') {
// min and/or max are not defined, so calculate them
for (cc in values) {
val = parseFloat(values[cc]);
if (val > max) max = val;
if (val < min) min = val;
}
}
if (typeof this.params.min === 'undefined') {
this.scale.setMin(min);
this.params.min = min;
} else {
this.scale.setMin(this.params.min);
}
if (typeof this.params.max === 'undefined') {
this.scale.setMax(max);
this.params.max = max;
} else {
this.scale.setMax(this.params.max);
}
for (cc in values) {
if (cc != 'indexOf') {
val = parseFloat(values[cc]);
if (!isNaN(val)) {
attrs[cc] = this.scale.getValue(val);
} else {
attrs[cc] = this.elements[cc].element.style.initial[this.params.attribute];
}
}
}
} else {
for (cc in values) {
if (values[cc]) {
attrs[cc] = this.scale.getValue(values[cc]);
} else {
attrs[cc] = this.elements[cc].element.style.initial[this.params.attribute];
}
}
}
this.setAttributes(attrs);
jvm.$.extend(this.values, values);
},
clear: function(){
var key,
attrs = {};
for (key in this.values) {
if (this.elements[key]) {
attrs[key] = this.elements[key].element.shape.style.initial[this.params.attribute];
}
}
this.setAttributes(attrs);
this.values = {};
},
/**
* Set scale of the data series.
* @param {Array} scale Values representing scale.
*/
setScale: function(scale) {
this.scale.setScale(scale);
if (this.values) {
this.setValues(this.values);
}
},
/**
* Set normalize function of the data series.
* @param {Function|String} f Normalize function.
*/
setNormalizeFunction: function(f) {
this.scale.setNormalizeFunction(f);
if (this.