showbigsvg.js
上传用户:zhou95159
上传日期:2013-06-28
资源大小:11k
文件大小:14k
- var arrColors = ['red','green','blue','yellow','navy','gold','dodgerblue','navajowhite','mediumpurple'];
- //数组排序函数,升序
- function s(a,b) {
- return a - b;
- }
- //排序函数用法
- //array.sort(s);
- //删除数组中的一个元素,参数dx表示该元素的index
- Array.prototype.baoremove = function(dx)
- {
- if(isNaN(dx)||dx>this.length){return false;}
- this.splice(dx,1);
- }
- //重新排列数组,去掉为空的值或者非正常的值
- //参数是一个两维数组,第一维表示数值的数组,第二维表示年份的数组,
- //两个子数组在排序前后均须保持一一对应关系
- function resortArray() {
- //var tmparr1 = tmparr[0];
- //var tmparr2 = tmparr[1];
- var len = arrUseValue.length;
- var tmpi = 0;
- for(var i=0; i<len; i++) {
- if(isNaN(arrUseValue[tmpi])) {
- arrUseValue.baoremove(tmpi);
- arrUseYear.baoremove(tmpi);
- tmpi = (i > 0) ? i : 0;
- //tmparr1.baoremove(i);
- //tmparr2.baoremove(i);
- } else {
- tmpi = i + 1;
- }
- }
- //var retarr = new Array(tmparr1,tmparr2);
- //return retarr;
- }
- function getMaxValue(tmparr) {
- var maxValue = 0;
- for (var i=0; i<tmparr.length; i++) {
- var value = parseFloat(tmparr[i]);
- if (value > maxValue) maxValue = value;
- }
- maxValue = Math.ceil(maxValue);
- return maxValue;
- }
- function getMinValue(tmparr) {
- var minValue = 1000000000000000;
- for (var i=0; i<tmparr.length; i++) {
- var value = parseFloat(tmparr[i]);
- if (value < minValue) {
- minValue = value;
- }
- }
- minValue = Math.floor(minValue);
- return minValue;
- }
- function getMaxPeriod(tmparr) {
- var maxValue = 0;
- for (var i=0; i<tmparr.length; i++) {
- var value = tmparr[i][0];
- if (value > maxValue) maxValue = value;
- }
- return maxValue;
- }
- function getMinPeriod(tmparr) {
- var minPeriod = 3000;
- for (var i=0; i<tmparr.length; i++) {
- var value = tmparr[i][0];
- if (value < minPeriod) minPeriod = value;
- }
- return minPeriod;
- }
- //显示提示窗口
- function ShowTooltip(mousemove_event,txt)
- {
- //obj=mousemove_event.target.parentNode;
- //obj.style.setProperty("opacity","0.5");
-
- var ttrelem,tttelem,posx,posy,curtrans,ctx,cty;
- ttrelem=svgDoc.getElementById("ttr");
- tttelem=svgDoc.getElementById("ttt");
- posx=mousemove_event.clientX;
- posy=mousemove_event.clientY;
- tttelem.childNodes.item(0).data=txt;
- curtrans=svgDoc.documentElement.currentTranslate;
- ctx=curtrans.x;
- cty=curtrans.y;
- ttrelem.setAttribute("x",posx-ctx);
- ttrelem.setAttribute("y",posy-cty-20);
- tttelem.setAttribute("x",posx-ctx+5);
- tttelem.setAttribute("y",posy-cty-8);
- ttrelem.setAttribute("width",tttelem.getComputedTextLength()+30);
- tttelem.setAttribute("style","fill: #00C; font-size: 13px; visibility: visible");
- ttrelem.setAttribute("style","fill: #FFC; stroke: #000; stroke-width: 0.5px;
- visibility: visible");
- }
- //隐藏提示窗口
- function HideTooltip(mouseout_event)
- {
- //obj=mouseout_event.target.parentNode;
- //obj.style.setProperty("opacity","1.0");
-
- var ttrelem,tttelem;
- ttrelem=svgDoc.getElementById("ttr");
- tttelem=svgDoc.getElementById("ttt");
- ttrelem.setAttribute("style","visibility: hidden");
- tttelem.setAttribute("style","visibility: hidden");
- }
- //窗口缩放
- function ZoomControl()
- {
- var curzoom;
- curzoom=svgDoc.documentElement.currentScale;
- svgDoc.getElementById("tooltip").setAttribute("transform","scale("+1/curzoom+")");
- }
-
- //清除svg图像中的所有元素,便于重新画图
- function deleItem() {
- //var gnode = svgDoc.getElementById("gc");
- while (gnode.getChildNodes().getLength() > 0) {
- gnode.removeChild(gnode.getFirstChild());
- }
- }
- //画折线图,第一个参数是数值数组,
- //第二个参数是最小值,第三个参数是最大值
- function drawPolyline(tmparr,tmpminv,tmpmaxv) {
- var vpoint = "";
- var t = tmparr.length;
- var addv = 320 / (t - 1);
- var vx = 29;
- var vy = 10;
- tmpdiv = (tmpmaxv - tmpminv) / 10;
-
- tmpmaxv = Math.ceil(tmpmaxv + tmpdiv);
- tmpminv = Math.floor(tmpminv - tmpdiv);
-
- for(var i=0;i<t;i++) {
- var txtcirc = arrUseYear[i] + ", " + tmparr[i];
- //确定x坐标
- vx = 29 + i * addv;
- vpoint += vx + ",";
- //确定y坐标
- //alert(tmparr[i]);
- vy = 230 - (tmparr[i] - tmpminv) / (tmpmaxv - tmpminv) * 220;
- vpoint += vy + ",";
- //alert(vx);
- //alert(vy);
- //alert(vpoint);
- //添加小圆点
- var newcircle = svgDoc.createElement("circle");
- newcircle.setAttribute("cx",vx);
- newcircle.setAttribute("cy",vy);
- newcircle.setAttribute("r",2);
- newcircle.setAttribute("style","cursor:crosshair;fill:" + arrColors[i]);
- newcircle.setAttribute("onmouseover","ShowTooltip(evt,'" + txtcirc + "')" );
- newcircle.setAttribute("onmouseout","HideTooltip(evt)");
- gnode.appendChild(newcircle);
- }
- vpoint = vpoint.substring(0,(vpoint.length - 1));
- //alert(vpoint);
- var newpoly = svgDoc.createElement("polyline");
- newpoly.setAttribute("points",vpoint);
- newpoly.setAttribute("style","fill: none; stroke: #00C; stroke-width: 1.5px");
- gnode.appendChild(newpoly);
- }
- //画柱状图,第一个参数是数值数组,
- //第二个参数是最小值,第三个参数是最大值
- function drawRectange(tmparr,tmpminv,tmpmaxv) {
- var vpoint = "";
- var t = tmparr.length;
- //var addv = 32.5;
- var addv = (349 - 29 - 15) / (t - 1);
- var vx = 29;
- var vy = 0;
- tmpdiv = (tmpmaxv - tmpminv) / 10;
-
- tmpmaxv = Math.ceil(tmpmaxv + tmpdiv);
- tmpminv = Math.floor(tmpminv - tmpdiv);
- for(var i=0;i<t;i++) {
- var txtrect = arrUseYear[i] + ", " + tmparr[i];
- //确定x坐标
- vx = 29 + i * addv;
- //确定y坐标
- vy = 230 - (tmparr[i] - tmpminv) / (tmpmaxv - tmpminv) * 220;
- var newrect = svgDoc.createElement("rect");
- newrect.setAttribute("x",vx);
- newrect.setAttribute("y",vy);
- newrect.setAttribute("width",15);
- newrect.setAttribute("height",(230 - vy));
- newrect.setAttribute("style","cursor:crosshair;fill:" + arrColors[i]);
- newrect.setAttribute("onmouseover","ShowTooltip(evt,'" + txtrect + "')" );
- newrect.setAttribute("onmouseout","HideTooltip(evt)");
- gnode.appendChild(newrect);
- }
- }
- //画饼图,第一个参数是数值数组,第二个参数是年份数组
- function drawPie(tmparr1,tmparr2) {
- var basePointX = 126.;
- var basePointY = 129.;
- var currentX = 0.0;
- var currentY = 0.0;
- var offsetX1 = 0.0;
- var offsetY1 = 0.0;
- var offsetX2 = 0.0;
- var offsetY2 = 0.0;
- var radius = 125.;
- var angleSum1 = 0.;
- var angleSum2 = 0.;
- var vertexCount = tmparr1.length;
- var xPts = Array(vertexCount);
- var yPts = Array(vertexCount);
- var angles = Array(vertexCount);
- var pointPath = "";
- var colorCount = arrColors.length;
- var pieNode = null;
- var gcNode = null;
-
- var dataSum = 0.;
- for(var v=0; v<vertexCount; v++)
- {
- dataSum += Math.abs(parseFloat(tmparr1[v]));
- }
- //alert(dataSum);
- for(var v=0; v<vertexCount; v++)
- {
- angles[v] = 360.*Math.abs(parseFloat(tmparr1[v]))/dataSum;
- }
- //alert(angles);
- gcNode = svgDoc.getElementById("gc");
- var txtstyle = "text-anchor:left;";
- for(var v=0; v<vertexCount; v++)
- {
- angleSum2 = angleSum1 + angles[v];
- var txtpv = parseInt(Math.abs(tmparr1[v])/dataSum *10000) / 100 + "%";
-
- offsetX1 = radius*Math.cos(angleSum1*Math.PI/180);
- offsetY1 = radius*Math.sin(angleSum1*Math.PI/180);
- offsetX2 = radius*Math.cos(angleSum2*Math.PI/180);
- offsetY2 = radius*Math.sin(angleSum2*Math.PI/180);
- currentX = basePointX+offsetX2;
- currentY = basePointY-offsetY2;
- // the vertical offset must be subtracted,
- // so we need to "flip" the sign of offsetY1
- offsetY1 *= -1;
- pointPath = "M"+basePointX+","+basePointY;
- pointPath += " l"+offsetX1+","+offsetY1;
- if(angles[v] < 180 ) {
- pointPath += " A"+radius+","+radius+" 0 0 0 ";
- } else {
- pointPath += " A"+radius+","+radius+" 0 1 0 ";
- }
- pointPath += currentX+","+currentY;
- pointPath += " L"+basePointX+","+
- basePointY+"z";
- fillColor = "fill:" + arrColors[v%colorCount];
- txtGnode = tmparr2[v] + "," + tmparr1[v] + "," + txtpv;
- var newg = svgDoc.createElement("g");
- newg.setAttribute("onmouseover","ShowTooltip(evt,'" + txtGnode + "')" );
- newg.setAttribute("onmouseout","HideTooltip(evt)");
- gcNode.appendChild(newg);
- pieNode = svgDoc.createElement("path");
- pieNode.setAttribute("d", pointPath);
- pieNode.setAttribute("style",fillColor);
- newg.appendChild(pieNode);
-
- var recNode = svgDoc.createElement("rect");
- recNode.setAttribute("x",253);
- recNode.setAttribute("y",(10 + v*20));
- recNode.setAttribute("width",8);
- recNode.setAttribute("height",8);
- recNode.setAttribute("style",fillColor);
- newg.appendChild(recNode);
-
- var txtNode = svgDoc.createElement("text");
- txtNode.setAttribute("x",264);
- txtNode.setAttribute("y",(15 + v*20));
- txtst = txtstyle + fillColor;
- txtNode.setAttribute("style",txtst);
- newg.appendChild(txtNode);
- texte=svgDoc.createTextNode(tmparr2[v] + "[" + txtpv + "]");
- txtNode.appendChild(texte);
- angleSum1 += angles[v];
- }
- }
- //设定x轴坐标,画线及添加标题,参数是年份数组
- function setXAxis(tmparr) {
- //画x轴线
- var newline = svgDoc.createElement("line");
- newline.setAttribute("x1",29);
- newline.setAttribute("y1",230);
- newline.setAttribute("x2",349);
- newline.setAttribute("y2",230);
- newline.setAttribute("style","stroke-width:2;stroke:blue");
- gnode.appendChild(newline);
-
- var t = tmparr.length - 1;
- var addv = 320 / t;
- var addt = 300 / t;
- var sumlv = 29;
- var sumtv = 20;
- //画x轴的文字
- newtext = svgDoc.createElement("text");
- newtext.setAttribute("x",sumtv);
- newtext.setAttribute("y",249);
- gnode.appendChild(newtext);
- texte=svgDoc.createTextNode(tmparr[0]);
- newtext.appendChild(texte);
- for(var i=0;i<t;i++) {
- //画x轴的小短线
- sumlv = 29 + (i + 1) * addv;
- newline = svgDoc.createElement("line");
- newline.setAttribute("x1",sumlv);
- newline.setAttribute("y1",0);
- newline.setAttribute("x2",sumlv);
- newline.setAttribute("y2",230);
- newline.setAttribute("style","stroke-width:0.5;stroke:white");
- gnode.appendChild(newline);
- //画x轴的文字
- sumtv = 17 + (i + 1) * addt;
- newtext = svgDoc.createElement("text");
- newtext.setAttribute("x",sumtv);
- newtext.setAttribute("y",249);
- gnode.appendChild(newtext);
- texte=svgDoc.createTextNode(tmparr[i+1]);
- newtext.appendChild(texte);
- }
- }
- //设定y轴坐标,画线及添加标题,第一个参数是最小值,第二个参数是最大值
- function setYAxis(tmpminv,tmpmaxv) {
- //画y轴线
- var newline = svgDoc.createElement("line");
- newline.setAttribute("x1",29);
- newline.setAttribute("y1",10);
- newline.setAttribute("x2",29);
- newline.setAttribute("y2",230);
- newline.setAttribute("style","stroke-width:2;stroke:blue");
- gnode.appendChild(newline);
-
- var addv = 220 / 10;
- var sumlv = 0;
- var sumtv = 4;
- tmpdiv = (tmpmaxv - tmpminv) / 10;
- tmpmaxv = Math.ceil(tmpmaxv + tmpdiv);
- tmpminv = Math.floor(tmpminv - tmpdiv);
- var divtxt = (tmpmaxv - tmpminv) / 10;
- for(var i=0;i<10;i++) {
- //画y轴的小短线
- sumlv = 10 + i * addv;
- newline = svgDoc.createElement("line");
- newline.setAttribute("x1",29);
- newline.setAttribute("y1",sumlv);
- newline.setAttribute("x2",349);
- newline.setAttribute("y2",sumlv);
- newline.setAttribute("style","stroke-width:0.5;stroke:white");
- gnode.appendChild(newline);
- }
- for(var i=0;i<11;i++) {
- //画y轴的文字
- //if(i == 0) {
- //sumtv = 10;
- //} else {
- sumtv = 10 + i * 22.5;
- //}
- txtdata = tmpmaxv - Math.round(divtxt * i);
- newtext = svgDoc.createElement("text");
- newtext.setAttribute("x",1);
- newtext.setAttribute("y",sumtv);
- gnode.appendChild(newtext);
- texte=svgDoc.createTextNode(txtdata);
- newtext.appendChild(texte);
- }
- }
- //设定公司的名称
- function setCompanyName(companyname) {
- parent.all['svgtitle'].innerHTML = companyname;
- }
- //设定图象的标题,涉及到下拉框和标题栏的同时变动
- function setGraphTitle(title) {
- //
- }
- //点击动态改变图象的函数,第一个参数是数值数组,第二个参数是年份数组
- //function svgViewChange(tmparr1,tmparr2) {
- function svgViewChange(tmparr1,tmparr2,type) {
- //数组清除
- //var tarr = new Array(tmparr1,tmparr2);
- //tarr = resortArray(tarr);
- arrUseValue = tmparr1;
- arrUseYear = tmparr2;
- resortArray();
- svgType = type;
- //arrUseValue = null;
- //arrUseYear = null;
- //arrUseValue = tarr[0];
- //arrUseYear = tarr[1];
- if(svgType == 1) {
- deleItem();
- useMinValue = getMinValue(arrUseValue);
- useMaxValue = getMaxValue(arrUseValue);
- setXAxis(arrUseYear);
- setYAxis(useMinValue,useMaxValue);
- drawPolyline(arrUseValue,useMinValue,useMaxValue);
- } else if(svgType == 2) {
- deleItem();
- useMinValue = getMinValue(arrUseValue);
- useMaxValue = getMaxValue(arrUseValue);
- setXAxis(arrUseYear);
- setYAxis(useMinValue,useMaxValue);
- drawRectange(arrUseValue,useMinValue,useMaxValue);
- } else if(svgType == 3) {
- deleItem();
- useMinValue = getMinValue(arrUseValue);
- useMaxValue = getMaxValue(arrUseValue);
- drawPie(arrUseValue,arrUseYear);
- }
- }
- function opennewwin() {
- window.open ('bigimg.html', 'svgnewwindow', 'height=400, width=400, top=100, left=100, toolbar=no, menubar=no, scrollbars=no,resizable=no,location=no, status=no');
- }