<?php
/*
Plugin Name: SVG分类导航
Version: 1.1
Plugin URL: http://www.youngxj.cn
Description:SVG分类导航插件
ForEmlog:5.3.x
Author: 杨小杰
Author URL: http://www.youngxj.cn
*/
!defined('EMLOG_ROOT') && exit('access deined!');
function classification(){
include 'classification_config.php';
$bg=$config['bg'];
$home=$config['home'];
global $CACHE;
$sort_cache = $CACHE->readCache('sort');
?>
<style>
#box{
width: 100%;
height:300px;
opacity:0.5;
-webkit-transition: all 1s ease;
-moz-transition: all 1s ease;
-o-transition: all 1s ease;
transition: all 1s ease;}
</style>
<div id="box" onclick="color()"></div>
<script>
var oSvg = createTag('svg',{'version':'1.1','xmls':'http://www.w3.org/2000/svg',height:'100%',width:'100%'});
var oBox = document.getElementById('box');
var W = parseInt(getComputedStyle(oBox).width);
var H = parseInt(getComputedStyle(oBox).height);
var appearance = {
'dis':H/3,
'r0':H/8,'r':H/10,
'x0':W/2,'y0':H/2,
'fontSize':H/24,
'bg0':'rgba(255,255,255,.6)','bg':'rgba(255,255,255,.6)',
'borderColor0':'rgba(0,0,0,.3)','bordercolor':'rgba(0,0,0,.3)',
'strokeWidth0':4,'strokeWidth1':2,'strokeWidth2':4,
'lineColor':'rgba(0,0,0,0.3)','lineWidth':1,'lineDashed':'5,5',
'backX':W/20,'backY':H/20,'backFill':'rgba(0,0,0,.3)','backScale':'0.4',
}
var data = {
text:'<?php echo $home;?>',
children:[
<?php
foreach($sort_cache as $value):
if ($value['pid'] != 0) continue;
?>
{text:'<?php echo $value['sortname']; ?>(<?php echo $value['lognum'] ?>)',url:'<?php echo Url::sort($value['sid']); ?>'},
<?php endforeach; ?>
],
}
function init(){
addChildenTags(data.children);
addCenterTag(data);
oBox.appendChild(oSvg);
}
init();function createTag(tag,objAttr){
var oTag = document.createElementNS('http://www.w3.org/2000/svg',tag);
for(var attr in objAttr){
if(attr == 'xlink:href'){
oTag.setAttributeNS("http://www.w3.org/1999/xlink",attr,objAttr[attr]);
}else{
oTag.setAttribute(attr,objAttr[attr]);
}
}
return oTag;
}
function addCenterTag(obj){
var oG = createTag('g',{'style':'cursor:pointer'});
var oCircle = createTag('circle',{'cx':appearance.x0,'cy':appearance.y0,'r':appearance.r0,'fill':appearance.bg0,'stroke':appearance.borderColor0,'stroke-width':appearance.strokeWidth0});
var oText = createTag('text',{'x':appearance.x0,'y':appearance.y0,'font-size':appearance.fontSize,'text-anchor':'middle','dominant-baseline':'middle','stroke-width':appearance.strokeWidth0});
oText.innerHTML = obj.text;
oG.appendChild(oCircle);
oG.appendChild(oText);
oSvg.appendChild(oG);
oG.onclick = function(e){
e = e || event;
oSvg.innerHTML = '';
if(obj.url == '#'){
addChildenTags(obj.children);
addBackTag();
}else{
addChildenTags(data.children);
}
addCenterTag(obj);
}
}
function addBackTag(){
var oG = createTag('g',{'style':'cursor:pointer'});
var oClipPath = createTag('clipPath',{'id':'clipPath1'});
var oPolygon = createTag('polygon',{'points':'40 0, 40 20, 100 20, 100 80, 40 80, 40 100, 0 50'});
var oRect = createTag('rect',{'x':0,'y':0,'width':100,'height':100,'fill':appearance.backFill,'clip-path':'url(#clipPath1)','transform':'scale(' + appearance.backScale + ') translate(' + appearance.backX + ','+appearance.backY + ')',});
oClipPath.appendChild(oPolygon);
oG.appendChild(oClipPath);
oG.appendChild(oRect);
oSvg.appendChild(oG);
oG.onclick = function(){
oSvg.innerHTML = '';
addChildenTags(data.children);
addCenterTag(data);
}
}
function randomArr(arr){
return arr.sort(function(){return Math.random() - 0.5});
}
function addChildenTags(children){
var length = children.length;
var deg = (360/length)*(2*Math.PI)/360;
var posArr = [];
var randomRotate = Math.floor(360*Math.random());
for(var i = 0; i < children.length;i++){
var cos = Math.cos(deg*i - randomRotate);
var sin = Math.sin(deg*i - randomRotate);
var x = appearance.x0 + appearance.dis*cos;
var y = appearance.y0 + appearance.dis*sin;
posArr[i] = {index:i,cos:cos,sin:sin,x:x,y:y};
}
randomArr(posArr);
for(var i = 0; i < children.length;i++){
var oA = createTag('a',{'xlink:href':children[i].url,'target':'_black'});
oA.obj = children[i];
oA.index = posArr[i].index;
var oG = createTag('g',{'style':'cursor:pointer'});
var oLine = createTag('line',{'x1':posArr[i].x-appearance.r*posArr[i].cos,y1:posArr[i].y-appearance.r*posArr[i].sin,x2:appearance.x0+appearance.r0*posArr[i].cos,y2:appearance.y0+appearance.r0*posArr[i].sin,'stroke':appearance.lineColor,'stroke-width':appearance.lineWidth,'stroke-dasharray':appearance.lineDashed,'style':'transition:.5s'});
var oLineHelper = createTag('line',{'x1':posArr[i].x-appearance.r*posArr[i].cos,y1:posArr[i].y-appearance.r*posArr[i].sin,x2:appearance.x0+appearance.r0*posArr[i].cos,y2:appearance.y0+appearance.r0*posArr[i].sin,'stroke':'transparent','stroke-width':10});
if(oA.obj.url === '#'){
var oCircle = createTag('circle',{'cx':posArr[i].x,'cy':posArr[i].y,'r':appearance.r,'fill':appearance.bg,'stroke':appearance.bordercolor,'stroke-width':appearance.strokeWidth2,'class':'frostedglass'});
}else{
var oCircle = createTag('circle',{'cx':posArr[i].x,'cy':posArr[i].y,'r':appearance.r,'fill':appearance.bg,'stroke':appearance.bordercolor,'stroke-width':appearance.strokeWidth1,'class':'frostedglass'});
}
var oText = createTag('text',{'x':posArr[i].x,'y':posArr[i].y,'font-size':appearance.fontSize,'text-anchor':'middle','dominant-baseline':'middle','stroke-width':appearance.strokeWidth1,fill:appearance.color});
oText.innerHTML = children[i].text;
oG.appendChild(oLine);
oG.appendChild(oLineHelper);
oG.appendChild(oCircle);
oG.appendChild(oText);
oA.appendChild(oG);
oSvg.appendChild(oA);
oA.onmouseenter = function(){
elasticMove(this,appearance.r*1.2);
var line = this.getElementsByTagName('line')[0];
line.removeAttribute('stroke-dasharray');
line.setAttribute('stroke-width',appearance.lineWidth*3);
line.setAttribute('x1',appearance.x0+(appearance.dis - appearance.r0)*Math.cos(deg*this.index - randomRotate));
line.setAttribute('y1',appearance.y0+(appearance.dis - appearance.r0)*Math.sin(deg*this.index - randomRotate));
}
oA.onmouseleave = function(){
elasticMove(this,appearance.r);
var line = this.getElementsByTagName('line')[0];
line.setAttribute('stroke-width',appearance.lineWidth);
line.setAttribute('stroke-dasharray',appearance.lineDashed);
line.setAttribute('x1',appearance.x0+(appearance.dis - appearance.r)*Math.cos(deg*this.index - randomRotate));
line.setAttribute('y1',appearance.y0+(appearance.dis - appearance.r)*Math.sin(deg*this.index - randomRotate));
}
oA.onclick = function(e){
e = e || event;
if(this.obj.url === '#'){
e.preventDefault();
oSvg.innerHTML = '';
addCenterTag(this.obj);
addChildenTags(this.obj.children);
addBackTag();
}
}
}
}
function elasticMove(obj,str){
var circle = obj.getElementsByTagName('circle')[0];
var r0 = circle.getAttribute('r');
var r = Number(str);
//声明步长值
v