1 line
7.5 KiB
JavaScript
1 line
7.5 KiB
JavaScript
var BMapLib=window.BMapLib=BMapLib||{};(function(){var b,a=b=a||{version:"1.5.0"};a.guid="$BAIDU$";(function(){window[a.guid]=window[a.guid]||{};a.dom=a.dom||{};a.dom.g=function(e){if("string"==typeof e||e instanceof String){return document.getElementById(e)}else{if(e&&e.nodeName&&(e.nodeType==1||e.nodeType==9)){return e}}return null};a.g=a.G=a.dom.g;a.lang=a.lang||{};a.lang.isString=function(e){return"[object String]"==Object.prototype.toString.call(e)};a.isString=a.lang.isString;a.dom._g=function(e){if(a.lang.isString(e)){return document.getElementById(e)}return e};a._g=a.dom._g;a.dom.getDocument=function(e){e=a.dom.g(e);return e.nodeType==9?e:e.ownerDocument||e.document};a.browser=a.browser||{};a.browser.ie=a.ie=/msie (\d+\.\d+)/i.test(navigator.userAgent)?(document.documentMode||+RegExp["\x241"]):undefined;a.dom.getComputedStyle=function(f,e){f=a.dom._g(f);var h=a.dom.getDocument(f),g;if(h.defaultView&&h.defaultView.getComputedStyle){g=h.defaultView.getComputedStyle(f,null);if(g){return g[e]||g.getPropertyValue(e)}}return""};a.dom._styleFixer=a.dom._styleFixer||{};a.dom._styleFilter=a.dom._styleFilter||[];a.dom._styleFilter.filter=function(f,j,k){for(var e=0,h=a.dom._styleFilter,g;g=h[e];e++){if(g=g[k]){j=g(f,j)}}return j};a.string=a.string||{};a.string.toCamelCase=function(e){if(e.indexOf("-")<0&&e.indexOf("_")<0){return e}return e.replace(/[-_][^-_]/g,function(f){return f.charAt(1).toUpperCase()})};a.dom.getStyle=function(g,f){var i=a.dom;g=i.g(g);f=a.string.toCamelCase(f);var h=g.style[f]||(g.currentStyle?g.currentStyle[f]:"")||i.getComputedStyle(g,f);if(!h){var e=i._styleFixer[f];if(e){h=e.get?e.get(g):a.dom.getStyle(g,e)}}if(e=i._styleFilter){h=e.filter(f,h,"get")}return h};a.getStyle=a.dom.getStyle;a.dom._NAME_ATTRS=(function(){var e={cellpadding:"cellPadding",cellspacing:"cellSpacing",colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",usemap:"useMap",frameborder:"frameBorder"};if(a.browser.ie<8){e["for"]="htmlFor";e["class"]="className"}else{e.htmlFor="for";e.className="class"}return e})();a.dom.setAttr=function(f,e,g){f=a.dom.g(f);if("style"==e){f.style.cssText=g}else{e=a.dom._NAME_ATTRS[e]||e;f.setAttribute(e,g)}return f};a.setAttr=a.dom.setAttr;a.dom.setAttrs=function(g,e){g=a.dom.g(g);for(var f in e){a.dom.setAttr(g,f,e[f])}return g};a.setAttrs=a.dom.setAttrs;a.dom.create=function(g,e){var h=document.createElement(g),f=e||{};return a.dom.setAttrs(h,f)};a.object=a.object||{};a.extend=a.object.extend=function(g,e){for(var f in e){if(e.hasOwnProperty(f)){g[f]=e[f]}}return g}})();var c=BMapLib.LuShu=function(g,f,e){if(!f||f.length<1){return}this._map=g;this._path=f;this.i=0;this._setTimeoutQuene=[];this._projection=this._map.getMapType().getProjection();this._opts={icon:null,speed:4000,defaultContent:""};this._setOptions(e);this._rotation=0;if(!this._opts.icon instanceof BMap.Icon){this._opts.icon=defaultIcon}};c.prototype._setOptions=function(e){if(!e){return}for(var f in e){if(e.hasOwnProperty(f)){this._opts[f]=e[f]}}};c.prototype.start=function(){var f=this,e=f._path.length;if(f.i&&f.i<e-1){if(!f._fromPause){return}else{if(!f._fromStop){f._moveNext(++f.i)}}}else{f._addMarker();f._timeoutFlag=setTimeout(function(){f._addInfoWin();if(f._opts.defaultContent==""){f.hideInfoWindow()}f._moveNext(f.i)},400)}this._fromPause=false;this._fromStop=false},c.prototype.stop=function(){this.i=0;this._fromStop=true;clearInterval(this._intervalFlag);this._clearTimeout();for(var g=0,f=this._opts.landmarkPois,e=f.length;g<e;g++){f[g].bShow=false}};c.prototype.pause=function(){clearInterval(this._intervalFlag);this._fromPause=true;this._clearTimeout()};c.prototype.hideInfoWindow=function(){this._overlay._div.style.visibility="hidden"};c.prototype.showInfoWindow=function(){this._overlay._div.style.visibility="visible"};a.object.extend(c.prototype,{_addMarker:function(f){if(this._marker){this.stop();this._map.removeOverlay(this._marker);clearTimeout(this._timeoutFlag)}this._overlay&&this._map.removeOverlay(this._overlay);var e=new BMap.Marker(this._path[0]);this._opts.icon&&e.setIcon(this._opts.icon);this._map.addOverlay(e);e.setAnimation(BMAP_ANIMATION_DROP);this._marker=e},_addInfoWin:function(){var f=this;var e=new d(f._marker.getPosition(),f._opts.defaultContent);e.setRelatedClass(this);this._overlay=e;this._map.addOverlay(e)},_getMercator:function(e){return this._map.getMapType().getProjection().lngLatToPoint(e)},_getDistance:function(f,e){return Math.sqrt(Math.pow(f.x-e.x,2)+Math.pow(f.y-e.y,2))},_move:function(n,j,m){var i=this,h=0,e=10,f=this._opts.speed/(1000/e),l=this._projection.lngLatToPoint(n),k=this._projection.lngLatToPoint(j),g=Math.round(i._getDistance(l,k)/f);if(g<1){i._moveNext(++i.i);return}i._intervalFlag=setInterval(function(){if(h>=g){clearInterval(i._intervalFlag);if(i.i>i._path.length){return}i._moveNext(++i.i)}else{h++;var o=m(l.x,k.x,h,g),r=m(l.y,k.y,h,g),q=i._projection.pointToLngLat(new BMap.Pixel(o,r));if(h==1){var p=null;if(i.i-1>=0){p=i._path[i.i-1]}if(i._opts.enableRotation==true){i.setRotation(p,n,j)}if(i._opts.autoView){if(!i._map.getBounds().containsPoint(q)){i._map.setCenter(q)}}}i._marker.setPosition(q);i._setInfoWin(q)}},e)},setRotation:function(l,f,m){var j=this;var e=0;f=j._map.pointToPixel(f);m=j._map.pointToPixel(m);if(m.x!=f.x){var k=(m.y-f.y)/(m.x-f.x),g=Math.atan(k);e=g*360/(2*Math.PI);if(m.x<f.x){e=-e+90+90}else{e=-e}j._marker.setRotation(-e)}else{var h=m.y-f.y;var i=0;if(h>0){i=-1}else{i=1}j._marker.setRotation(-i*90)}return},linePixellength:function(f,e){return Math.sqrt(Math.abs(f.x-e.x)*Math.abs(f.x-e.x)+Math.abs(f.y-e.y)*Math.abs(f.y-e.y))},pointToPoint:function(f,e){return Math.abs(f.x-e.x)*Math.abs(f.x-e.x)+Math.abs(f.y-e.y)*Math.abs(f.y-e.y)},_moveNext:function(e){var f=this;if(e<this._path.length-1){f._move(f._path[e],f._path[e+1],f._tween.linear)}},_setInfoWin:function(g){var f=this;if(!f._overlay){return}f._overlay.setPosition(g,f._marker.getIcon().size);var e=f._troughPointIndex(g);if(e!=-1){clearInterval(f._intervalFlag);f._overlay.setHtml(f._opts.landmarkPois[e].html);f._overlay.setPosition(g,f._marker.getIcon().size);f._pauseForView(e)}else{f._overlay.setHtml(f._opts.defaultContent)}},_pauseForView:function(e){var g=this;var f=setTimeout(function(){g._moveNext(++g.i)},g._opts.landmarkPois[e].pauseTime*1000);g._setTimeoutQuene.push(f)},_clearTimeout:function(){for(var e in this._setTimeoutQuene){clearTimeout(this._setTimeoutQuene[e])}this._setTimeoutQuene.length=0},_tween:{linear:function(f,j,h,i){var e=f,l=j-f,g=h,k=i;return l*g/k+e}},_troughPointIndex:function(f){var h=this._opts.landmarkPois,j;for(var g=0,e=h.length;g<e;g++){if(!h[g].bShow){j=this._map.getDistance(new BMap.Point(h[g].lng,h[g].lat),f);if(j<10){h[g].bShow=true;return g}}}return -1}});function d(e,f){this._point=e;this._html=f}d.prototype=new BMap.Overlay();d.prototype.initialize=function(e){var f=this._div=a.dom.create("div",{style:"border:solid 1px #ccc;width:auto;min-width:50px;text-align:center;position:absolute;background:#fff;color:#000;font-size:12px;border-radius: 10px;padding:5px;white-space: nowrap;"});f.innerHTML=this._html;e.getPanes().floatPane.appendChild(f);this._map=e;return f};d.prototype.draw=function(){this.setPosition(this.lushuMain._marker.getPosition(),this.lushuMain._marker.getIcon().size)};a.object.extend(d.prototype,{setPosition:function(h,i){var f=this._map.pointToOverlayPixel(h),e=a.dom.getStyle(this._div,"width"),g=a.dom.getStyle(this._div,"height");overlayW=parseInt(this._div.clientWidth||e,10),overlayH=parseInt(this._div.clientHeight||g,10);this._div.style.left=f.x-overlayW/2+"px";this._div.style.bottom=-(f.y-i.height)+"px"},setHtml:function(e){this._div.innerHTML=e},setRelatedClass:function(e){this.lushuMain=e}})})(); |