/*! * jVectorMap version 0.1 * * Copyright 2011, Kirill Lebedev * Licensed under the MIT license. * */ (function( $ ){ var apiParams = { colors: 1, values: 1, backgroundColor: 1, scaleColors: 1, normalizeFunction: 1 }; var apiEvents = { onLabelShow: 'labelShow', onRegionOver: 'regionMouseOver', onRegionOut: 'regionMouseOut', onRegionClick: 'regionClick' }; $.fn.vectorMap = function(options) { var defaultParams = { map: 'world_en', backgroundColor: '#FFFFFF',//背景色 color: '#ffffff', hoverColor: '#f63a3a',//鼠标放上去颜色 scaleColors: ['#b6d6ff', '#005ace'], normalizeFunction: 'linear' }, map; if (options === 'addMap') { WorldMap.maps[arguments[1]] = arguments[2]; } else if (options === 'set' && apiParams[arguments[1]]) { this.data('mapObject')['set'+arguments[1].charAt(0).toUpperCase()+arguments[1].substr(1)].apply(this.data('mapObject'), Array.prototype.slice.call(arguments, 2)); } else { $.extend(defaultParams, options); defaultParams.container = this; this.css({ position: 'relative', overflow: 'hidden' }); map = new WorldMap(defaultParams); this.data('mapObject', map); for (var e in apiEvents) { if (defaultParams[e]) { this.bind(apiEvents[e]+'.jvectormap', defaultParams[e]); } } } }; var VectorCanvas = function(width, height) { this.mode = window.SVGAngle ? 'svg' : 'vml'; if (this.mode == 'svg') { this.createSvgNode = function(nodeName) { return document.createElementNS(this.svgns, nodeName); } } else { try { if (!document.namespaces.rvml) { document.namespaces.add("rvml","urn:schemas-microsoft-com:vml"); } this.createVmlNode = function (tagName) { return document.createElement('<rvml:' + tagName + ' class="rvml">'); }; } catch (e) { this.createVmlNode = function (tagName) { return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">'); }; } document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)"); } if (this.mode == 'svg') { this.canvas = this.createSvgNode('svg'); } else { this.canvas = this.createVmlNode('group'); this.canvas.style.position = 'absolute'; } this.setSize(width, height); } VectorCanvas.prototype = { svgns: "http://www.w3.org/2000/svg", mode: 'svg', width: 0, height: 0, canvas: null, setSize: function(width, height) { if (this.mode == 'svg') { this.canvas.setAttribute('width', width); this.canvas.setAttribute('height', height); } else { this.canvas.style.width = width + "px"; this.canvas.style.height = height + "px"; this.canvas.coordsize = width+' '+height; this.canvas.coordorigin = "0 0"; if (this.rootGroup) { var pathes = this.rootGroup.getElementsByTagName('shape'); for(var i=0, l=pathes.length; i<l; i++) { pathes[i].coordsize = width+' '+height; pathes[i].style.width = width+'px'; pathes[i].style.height = height+'px'; } this.rootGroup.coordsize = width+' '+height; this.rootGroup.style.width = width+'px'; this.rootGroup.style.height = height+'px'; } } this.width = width; this.height = height; }, createPath: function(config) { var node; if (this.mode == 'svg') { node = this.createSvgNode('path'); node.setAttribute('d', config.path); node.setFill = function(color) { this.setAttribute("fill", color); }; node.getFill = function(color) { return this.getAttribute("fill"); }; node.setOpacity = function(opacity) { this.setAttribute('fill-opacity', opacity); }; } else { node = this.createVmlNode('shape'); node.coordorigin = "0 0"; node.coordsize = this.width + ' ' + this.height; node.style.width = this.width+'px'; node.style.height = this.height+'px'; node.fillcolor = WorldMap.defaultFillColor; node.stroked = false; node.path = VectorCanvas.pathSvgToVml(config.path); var scale = this.createVmlNode('skew'); scale.on = true; scale.matrix = '0.01,0,0,0.01,0,0'; scale.offset = '0,0'; node.appendChild(scale); var fill = this.createVmlNode('fill'); node.appendChild(fill); node.setFill = function(color) { this.getElementsByTagName('fill')[0].color = color; }; node.getFill = function(color) { return this.getElementsByTagName('fill')[0].color; }; node.setOpacity = function(opacity) { this.getElementsByTagName('fill')[0].opacity = parseInt(opacity*100)+'%'; }; } return node; }, createGroup: function(isRoot) { var node; if (this.mode == 'svg') { node = this.createSvgNode('g'); } else { node = this.createVmlNode('group'); node.style.width = this.width+'px'; node.style.height = this.height+'px'; node.style.left = '0px'; node.style.top = '0px'; node.coordorigin = "0 0"; node.coordsize = this.width + ' ' + this.height; } if (isRoot) { this.rootGroup = node; } return node; }, applyTransformParams: function(scale, transX, transY) { if (this.mode == 'svg') { this.rootGroup.setAttribute('transform', 'scale('+scale+') translate('+transX+', '+transY+')'); } else { this.rootGroup.coordorigin = (this.width-transX)+','+(this.height-transY); this.rootGroup.coordsize = this.width/scale+','+this.height/scale; } } } VectorCanvas.pathSvgToVml = function(path) { var result = ''; var cx = 0, cy = 0, ctrlx, ctrly; return path.replace(/([MmLlHhVvCcSs])((?:-?(?:\d+)?(?:\.\d+)?,?\s?)+)/g, function(segment, letter, coords, index){ coords = coords.replace(/(\d)-/g, '$1,-').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(','); break; case 'M': cx = coords[0]; cy = coords[1]; return 'm'+coords.join(','); break; case 'l': cx += coords[0]; cy += coords[1]; return 'r'+coords.join(','); break; case 'L': cx = coords[0]; cy = coords[1]; return 'l'+coords.join(','); break; case 'h': cx += coords[0]; return 'r'+coords[0]+',0'; break; case 'H': cx = coords[0]; return 'l'+cx+','+cy; break; case 'v': cy += coords[0]; return 'r0,'+coords[0]; break; case 'V': cy = coords[0]; return 'l'+cx+','+cy; break; 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(','); break; 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(','); break; 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(','); break; 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(','); break; } return ''; }).replace(/z/g, ''); } var WorldMap = function(params) { params = params || {}; var map = this; var mapData = WorldMap.maps[params.map]; this.container = params.container; this.defaultWidth = mapData.width; this.defaultHeight = mapData.height; this.color = params.color; this.hoverColor = params.hoverColor; this.setBackgroundColor(params.backgroundColor); this.width = params.container.width(); this.height = params.container.height(); this.resize(); $(window).resize(function(){ map.width = params.container.width(); map.height = params.container.height(); map.resize(); map.canvas.setSize(map.width, map.height); map.applyTransform(); }); this.canvas = new VectorCanvas(this.width, this.height); params.container.append(this.canvas.canvas); this.makeDraggable(); this.rootGroup = this.canvas.createGroup(true); this.index = WorldMap.mapIndex; this.label = $('<div/>').addClass('jvectormap-label').appendTo($('body')); //this.labelText = $('<div/>').addClass('jvectormap-label').appendTo($('body')); //$('<div/>').addClass('jvectormap-zoomin').text('+').appendTo(params.container); //$('<div/>').addClass('jvectormap-zoomout').html('−').appendTo(params.container); for(var key in mapData.pathes) { var path = this.canvas.createPath({path: mapData.pathes[key].path}); path.setFill(this.color); path.id = 'jvectormap'+map.index+'_'+key; map.countries[key] = path; $(this.rootGroup).append(path); } $(params.container).delegate(this.canvas.mode == 'svg' ? 'path' : 'shape', 'mouseover mouseout', function(e){ var path = e.target, code = e.target.id.split('_').pop(), labelShowEvent = $.Event('labelShow.jvectormap'), regionMouseOverEvent = $.Event('regionMouseOver.jvectormap');; if (e.type == 'mouseover') { $(params.container).trigger(regionMouseOverEvent, [code]); if (!regionMouseOverEvent.isDefaultPrevented()) { if (params.hoverOpacity) { path.setOpacity(params.hoverOpacity); } if (params.hoverColor) { path.currentFillColor = path.getFill()+''; path.setFill(params.hoverColor); } } map.label.html(mapData.pathes[code].name); //map.labelText.html(mapData.pathes[code].name); //map.labelText.css({color:'0xa1a1a1'}); $(params.container).trigger(labelShowEvent, [map.label, code]); //$(params.container).trigger(labelShowEvent, [map.labelText, code]); //map.labelText.show(); if (!labelShowEvent.isDefaultPrevented()) { map.label.show(); map.labelWidth = map.label.width(); map.labelHeight = map.label.height(); } } else { path.setOpacity(1); if (path.currentFillColor) { path.setFill(path.currentFillColor); } map.label.hide(); $(params.container).trigger('regionMouseOut.jvectormap', [code]); } }); $(params.container).delegate(this.canvas.mode == 'svg' ? 'path' : 'shape', 'click', function(e){ var path = e.target; var code = e.target.id.split('_').pop(); $(params.container).trigger('regionClick.jvectormap', [code]); }); params.container.mousemove(function(e){ if (map.label.is(':visible')) { map.label.css({ color:'0xfff000', left: e.pageX-15-map.labelWidth, top: e.pageY-15-map.labelHeight }) } }); this.setColors(params.colors); this.canvas.canvas.appendChild(this.rootGroup); this.applyTransform(); this.colorScale = new ColorScale(params.scaleColors, params.normalizeFunction, params.valueMin, params.valueMax); if (params.values) { this.values = params.values; this.setValues(params.values); } this.bindZoomButtons(); WorldMap.mapIndex++; } WorldMap.prototype = { transX: 0, transY: 0, scale: 1, baseTransX: 0, baseTransY: 0, baseScale: 1, width: 0, height: 0, countries: {}, countriesColors: {}, countriesData: {}, zoomStep: 1.4, zoomMaxStep: 4, zoomCurStep: 1, setColors: function(key, color) { if (typeof key == 'string') { this.countries[key].setFill(color); } else { var colors = key; for (var code in colors) { if (this.countries[code]) { this.countries[code].setFill(colors[code]); } } } }, setValues: function(values) { var max = 0, min = Number.MAX_VALUE, val; for (var cc in values) { val = parseFloat(values[cc]); if (val > max) max = values[cc]; if (val && val < min) min = val; } this.colorScale.setMin(min); this.colorScale.setMax(max); var colors = {}; for (cc in values) { val = parseFloat(values[cc]); if (val) { colors[cc] = this.colorScale.getColor(val); } else { colors[cc] = this.color; } } this.setColors(colors); this.values = values; }, setBackgroundColor: function(backgroundColor) { this.container.css('background-color', backgroundColor); }, setScaleColors: function(colors) { this.colorScale.setColors(colors); if (this.values) { this.setValues(this.values); } }, setNormalizeFunction: function(f) { this.colorScale.setNormalizeFunction(f); if (this.values) { this.setValues(this.values); } }, resize: function() { var curBaseScale = this.baseScale; if (this.width / this.height > this.defaultWidth / this.defaultHeight) { this.baseScale = this.height / this.defaultHeight; this.baseTransX = Math.abs(this.width - this.defaultWidth * this.baseScale) / (2 * this.baseScale); } else { this.baseScale = this.width / this.defaultWidth; this.baseTransY = Math.abs(this.height - this.defaultHeight * this.baseScale) / (2 * this.baseScale); } this.scale *= this.baseScale / curBaseScale; this.transX *= this.baseScale / curBaseScale; this.transY *= this.baseScale / curBaseScale; }, reset: function() { this.countryTitle.reset(); for(var key in this.countries) { this.countries[key].setFill(WorldMap.defaultColor); } this.scale = this.baseScale; this.transX = this.baseTransX; this.transY = this.baseTransY; this.applyTransform(); }, applyTransform: function() { var maxTransX, maxTransY, minTransX, maxTransY; if (this.defaultWidth * this.scale <= this.width) { maxTransX = (this.width - this.defaultWidth * this.scale) / (2 * this.scale); minTransX = (this.width - this.defaultWidth * this.scale) / (2 * this.scale); } else { maxTransX = 0; minTransX = (this.width - this.defaultWidth * this.scale) / this.scale; } if (this.defaultHeight * this.scale <= this.height) { maxTransY = (this.height - this.defaultHeight * this.scale) / (2 * this.scale); minTransY = (this.height - this.defaultHeight * this.scale) / (2 * this.scale); } else { maxTransY = 0; minTransY = (this.height - this.defaultHeight * this.scale) / this.scale; } if (this.transY > maxTransY) { this.transY = maxTransY; } else if (this.transY < minTransY) { this.transY = minTransY; } if (this.transX > maxTransX) { this.transX = maxTransX; } else if (this.transX < minTransX) { this.transX = minTransX; } this.canvas.applyTransformParams(this.scale, this.transX, this.transY); }, makeDraggable: function(){ var mouseDown = false; var oldPageX, oldPageY; var self = this; this.container.mousemove(function(e){ if (mouseDown) { var curTransX = self.transX; var curTransY = self.transY; self.transX -= (oldPageX - e.pageX) / self.scale; self.transY -= (oldPageY - e.pageY) / self.scale; self.applyTransform(); oldPageX = e.pageX; oldPageY = e.pageY; } return false; }).mousedown(function(e){ mouseDown = true; oldPageX = e.pageX; oldPageY = e.pageY; return false; }).mouseup(function(){ mouseDown = false; return false; }); }, bindZoomButtons: function() { var map = this; var sliderDelta = ($('#zoom').innerHeight() - 6*2 - 15*2 - 3*2 - 7 - 6) / (this.zoomMaxStep - this.zoomCurStep); this.container.find('.jvectormap-zoomin').click(function(){ if (map.zoomCurStep < map.zoomMaxStep) { var curTransX = map.transX; var curTransY = map.transY; var curScale = map.scale; map.transX -= (map.width / map.scale - map.width / (map.scale * map.zoomStep)) / 2; map.transY -= (map.height / map.scale - map.height / (map.scale * map.zoomStep)) / 2; map.setScale(map.scale * map.zoomStep); map.zoomCurStep++; $('#zoomSlider').css('top', parseInt($('#zoomSlider').css('top')) - sliderDelta); } }); this.container.find('.jvectormap-zoomout').click(function(){ if (map.zoomCurStep > 1) { var curTransX = map.transX; var curTransY = map.transY; var curScale = map.scale; map.transX += (map.width / (map.scale / map.zoomStep) - map.width / map.scale) / 2; map.transY += (map.height / (map.scale / map.zoomStep) - map.height / map.scale) / 2; map.setScale(map.scale / map.zoomStep); map.zoomCurStep--; $('#zoomSlider').css('top', parseInt($('#zoomSlider').css('top')) + sliderDelta); } }); }, setScale: function(scale) { this.scale = scale; this.applyTransform(); }, getCountryPath: function(cc) { return $('#'+cc)[0]; } } WorldMap.xlink = "http://www.w3.org/1999/xlink"; WorldMap.mapIndex = 1; WorldMap.maps = {}; var ColorScale = function(colors, normalizeFunction, minValue, maxValue) { if (colors) this.setColors(colors); if (normalizeFunction) this.setNormalizeFunction(normalizeFunction); if (minValue) this.setMin(minValue); if (minValue) this.setMax(maxValue); } ColorScale.prototype = { colors: [], 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; } }, setColors: function(colors) { for (var i=0; i<colors.length; i++) { colors[i] = ColorScale.rgbToArray(colors[i]); } this.colors = colors; }, 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); }, getColor: function(value) { if (typeof this.normalize === 'function') { value = this.normalize(value); } var lengthes = []; var fullLength = 0; var l; for (var i=0; i<this.colors.length-1; i++) { l = this.vectorLength(this.vectorSubtract(this.colors[i+1], this.colors[i])); lengthes.push(l); fullLength += l; } var 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++; } var color; if (i == this.colors.length - 1) { color = this.vectorToNum(this.colors[i]).toString(16); } else { color = ( this.vectorToNum( this.vectorAdd(this.colors[i], this.vectorMult( this.vectorSubtract(this.colors[i+1], this.colors[i]), (value) / (lengthes[i]) ) ) ) ).toString(16); } while (color.length < 6) { color = '0' + color; } return '#'+color; }, vectorToNum: function(vector) { var num = 0; for (var 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 = []; for (var i=0; i<vector1.length; i++) { vector[i] = vector1[i] - vector2[i]; } return vector; }, vectorAdd: function(vector1, vector2) { var vector = []; for (var i=0; i<vector1.length; i++) { vector[i] = vector1[i] + vector2[i]; } return vector; }, vectorMult: function(vector, num) { var result = []; for (var i=0; i<vector.length; i++) { result[i] = vector[i] * num; } return result; }, vectorLength: function(vector) { var result = 0; for (var i=0; i<vector.length; i++) { result += vector[i]*vector[i]; } return Math.sqrt(result); } } ColorScale.arrayToRgb = function(ar) { var rgb = '#'; var d; for (var i=0; i<ar.length; i++) { d = ar[i].toString(16); rgb += d.length == 1 ? '0'+d : d; } return rgb; } 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)]; } })( jQuery );