www.gusucode.com > Kodexplorer 可道云PHP在线文件管理系统源码程序 > kodexplorer_v4.32/plugins/picasa/static/picasa/picasa.js
var picasaGetDom=function(element) {
return typeof(element) == 'object' ? element : document.getElementById(element);
};
function Picasa(){}
Picasa.prototype = {
author : 'Mudoo',
version : '1.0 Alpha',
name : 'MyPicasa', // 实例名
// 功能状态
hotkey : true, // 快捷按键是否可用
wheel : true, // 鼠标滚轮是否可用
slide : true, // 幻灯片播放是否可用
auto : true, // 自动播放是否可用
zoomAnimation : true, // 图片缩放动画是否可用
// 参数
itemWidth : 36, // 列表项宽度(像素)
maskOpacity : 80, // 遮罩层透明度
fadeOutTime : 200, // 隐藏遮罩层动画时间
itemsOpacity : 60, // 列表项透明度
perHintOpacity : 40, // 百分比提示框透明度
fadeInModulus : 5, // 渐显系数
fadeOutModulus : 8, // 渐隐系数
moveModulus : 6, // 移动系数
zoomModulus : 10, // 缩放系数
zoomSpeed : .8, // 缩放步长
zoomMin : 5, // 缩放最小百分比
zoomMax : 300, // 缩放最大百分比
defaulePerMax : 90, // 初始图片最大占屏幕百分比
toQuickInterval : 200, // 切换到快速模式间歇(1秒=1000)
quickDoInterval : 50, // 快速模式动作间歇(1秒=1000)
autoInterval : 3000, // 自动播放间歇(1秒=1000)
actionSpeed : 2, // 动作速度(越小越快，1秒=1000)
// 计时器
doFade : null, // 透明
doZoom : null, // 图片缩放
doShowItem : null, // 列表显示
doMove : null, // 列表移动
doToQuick : null, // 切换到快速模式
doQuick : null, // 快速模式
doLoad : null, // 加载图片
doAuto : null, // 自动播放
doHidePerHint : null, // 隐藏百分比提示栏
doFadePerHint : null, // 显示百分比提示栏
// 变量
arrItems : [], // 列表数组
arrCount : -1, // 列表数量
currentNo : 0, // 当前图片No
itemDefaultX : 0, // 列表默认位置
initialCoord : [0, 0], // 图片初始坐标
moveDistance : [0, 0], // 图片拖拽移动距离
defaultSizePer : 100, // 默认图片大小百分比
fullSizePer : 100, // 满屏图片大小百分比
currentSizePer : 100, // 当前图片大小百分比
currentZoomSize : [0, 0], // 当前图片大小
currentZoomCoord: [0, 0], // 当前图片坐标
isLoaded : false, // 图片是否加载完
isZooming : false, // 是否正在缩放图片
isDraging : false, // 是否正在拖拽图片
isAutoPlaying : false, // 是否正在自动播放
activeImage : null, // 图片加载容器
lng : { // 中文
'zoomin' : 'zoom in',
'zoomout' : 'zoom out',
'zoomactual': 'true size',
'zoomauto' : 'zoom auto',
'prev' : 'prev',
'slide' : 'play',
'next' : 'next',
'autoplay' : 'auto play',
'loading' : 'loading...',
'loaderror' : 'image load error!'
},
play:function(items,index) {
var self = this;
if($('#PicasaMask').length == 0) {
this.createFrame();
this.setElementEvent();
if(this.wheel) this.setWheel();
$(window).bind("resize",function(){
if(self.arrCount > 0){
self.setFrameResize();
}
});
}
self.arrItems = items;
this.arrCount = this.arrItems.length;
this.createItems();
$('#PicasaView a,#PicasaView img').attr('draggable',false);
$('#PV_Control li').click(function(){
var number = $(this).attr('number');
self.changeImage(number);
});
self.display(index);
$('body').addClass('stop_hot_key');
},
removeImage:function(){
},
imageRotate:function(){
},
loadImageBefore:function(){
},
// 窗口大小
getWindowSize:function() {
var windowWidth, windowHeight;
if (self.innerHeight) { // all except Explorer
windowWidth = self.innerWidth;
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) { // other Explorers
windowWidth = window.screen.width;
windowHeight= window.screen.height;
}
var visibleWidth, visibleHeight;
visibleWidth = document.body.clientWidth;
visibleHeight = document.body.clientHeight;
return new Array(windowWidth, windowHeight, visibleWidth, visibleHeight);
},
// 获取鼠标位置
getXY:function (e){
var XY;
if(navigator.userAgent.match(/msie/i)){
var scrollPos;
if (typeof window.pageYOffset != 'undefined'){
scrollPos = [window.pageXOffset, window.pageYOffset];
}else if(typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat'){
scrollPos = [document.documentElement.scrollLeft, document.documentElement.scrollTop];
}else if(typeof document.body != 'undefined'){
scrollPos =[document.body.scrollLeft, document.body.scrollTop];
}
XY =[
window.event.clientX + scrollPos[0] - document.body.clientLeft,
window.event.clientY + scrollPos[1] - document.body.clientTop
];
}else{
XY = [e.pageX, e.pageY];
}
return XY;
},
// 透明度
opacity:{
set : function() {
var args = arguments;
var o = picasaGetDom(args[0]);
try{
o.filters.alpha.opacity = args[1];
}catch(e){
o.style.opacity = args[1]/100;
o.style.filter = 'alpha(opacity='+ (args[1]) +')';
}
},
get : function() {
var o = picasaGetDom(arguments[0]), p;
try{
p = parseInt(o.filters.alpha.opacity, 10);
if(isNaN(p)) p=100;
}catch(e){
p = o.style.opacity;
p *= 100;
}
return p;
}
},
// 显示隐藏下拉框
displaySelect:function(status) {
var selects = document.getElementsByTagName('select');
var count = selects.length;
for (var i=0;i<count;i++){
selects[i].style.visibility = status ? 'visible' : 'hidden';
}
},
// 事件操作
Event:{
add : function(o, e, h) {
o = picasaGetDom(o);
if(o.addEventListener){
o.addEventListener(e, h, false);
}else if(o.attachEvent){
o.attachEvent('on'+e, function(){
return h.call(o, window.event);
});
}else{
var oldHandler = o['on'+e] || function(){};
o['on'+e] = function(){
oldHandler();
h();
}
}
},
remove : function(o, e, h) {
o = picasaGetDom(o);
if(o.removeEventListener){
o.removeEventListener(e, h, false);
}else if(o.detachEvent){
o.detachEvent('on'+e, h);
}else{
o['on'+e] = null;
}
},
end : function(e) {
e = e || window.event;
e.stopPropagation && (e.preventDefault(), e.stopPropagation()) || (e.cancelBubble = true, e.returnValue = false);
}
},
// 生成框架
createFrame : function() {
// 背景遮罩
this.mask = document.createElement('div');
this.mask.id = 'PicasaMask';
document.body.appendChild(this.mask);
// 主体框架
this.frame = document.createElement('div');
this.frame.id = 'PicasaView';
this.frame.innerHTML =
'<div id="PV_Loading"></div>'+
'<div id="PV_Error" >error</div>'+
'<div id="PV_Number"></div>'+
'<a href="#" id="PV_Close" ><span>×</span></a>'+
'<img id="PV_Picture" src="" />'+
'<img id="PV_Picture_Temp" src="" />'+
'<div id="PV_PerHint"></div>'+
'<div id="PV_Hint"></div>'+
'<div id="PV_Control">'+
' <ul id="PV_Items"></ul>'+
' <div id="PV_Buttons">'+
' <a href="javascript: void(0);" id="PV_Btn_ZoomOut" class="tool-btn">-</a>'+
' <a href="javascript: void(0);" id="PV_Btn_ZoomIn" class="tool-btn">+</a>'+
' <a href="javascript: void(0);" id="PV_Btn_ZoomActual" class="tool-btn">1:1</a>'+
' <div id="PV_Select" class="PV_Btn_Normal">'+
' <a href="javascript: void(0);" id="PV_Btn_Prev"><i class="icon-arrow-left"></i></a>'+
' <a href="javascript: void(0);" id="PV_Btn_Slide"><i class="icon-play"></i></a>'+
' <a href="javascript: void(0);" id="PV_Btn_Next"><i class="icon-arrow-right"></i></a>'+
' </div>'+
' <a href="javascript:void(0);" id="PV_rotate_Left" class="tool-btn rotate"><i class=" icon-rotate-left"></i></a>'+
' <a href="javascript:void(0);" id="PV_rotate_Right" class="tool-btn rotate"><i class="icon-rotate-right"></i></a>'+
' <a href="javascript:void(0);" id="PV_Btn_Full" class="tool-btn"><i class="icon-fullscreen"></i></a>'+
' <a href="javascript:void(0);" id="PV_Btn_Remove" title="Remove(key delete)" class="tool-btn ml-20"><i class="icon-trash"></i></a>'+
' <a href="javascript:void(0);" id="PV_Btn_Open" class="tool-btn"><i class="icon-external-link"></i></a>'+
' </div>'+
'</div>';
document.body.appendChild(this.frame);
this.CloseBox = document.getElementById('PV_Close');
// 框架对象
this.Picture = picasaGetDom('PV_Picture'); // 大图
this.Loading = picasaGetDom('PV_Loading'); // 加载提示图
this.Error = picasaGetDom('PV_Error'); // 错误提示图
this.fPerHint = picasaGetDom('PV_PerHint'); // 缩放百分比提示框
this.fHint = picasaGetDom('PV_Hint'); // 底部提示框
this.fControl = picasaGetDom('PV_Control'); // 控制栏
this.fItems = picasaGetDom('PV_Items'); // 列表项
this.fButtons = picasaGetDom('PV_Buttons'); // 控制按钮
// 按钮对象
this.btnZoomIn = picasaGetDom('PV_Btn_ZoomIn'); // 放大(+)
this.btnZoomOut = picasaGetDom('PV_Btn_ZoomOut'); // 缩小(-)
this.btnZoomActual = picasaGetDom('PV_Btn_ZoomActual'); // 原始尺寸(1:1)
this.btnPrev = picasaGetDom('PV_Btn_Prev'); // 上一张图片
this.btnAutoPlay = picasaGetDom('PV_Btn_Slide'); // 幻灯片演示
this.btnNext = picasaGetDom('PV_Btn_Next'); // 下一张图片
this.mask.style.display = 'none';
this.frame.style.display = 'none';
var self = this;
this.activeImage = new Image();
this.activeImage.onload = function() {self.doLoad = setTimeout(function() {self.loadedAction();}, 0)}
this.activeImage.onerror = function() {self.doLoad = setTimeout(function() {self.loadError();}, 0)}
// 设置遮罩层透明度
this.opacity.set(this.mask, this.maskOpacity);
},
// 生成列表项
createItems : function() {
var itemStr = '';
// change by warlee 大于200则展示的时候再处理
for (var i=0; i<this.arrCount; i++){
if(i>=200){
itemStr += '<li number="'+i+'"><img data-original="'+ this.arrItems[i][0][0] +'" draggable="false"/></li>';
}else{
itemStr += '<li number="'+i+'"><img src="'+ this.arrItems[i][0][0] +'" draggable="false"/></li>';
}
}
this.fItems.innerHTML = itemStr;
this.fItems.style.width = (this.arrCount*36) +'px';
},
// 设置框架布局
setFrameLayout : function() {
this._setFrame();
this.opacity.set(this.fPerHint, 0);
$(this.mask).fadeIn(this.fadeOutTime);
},
setFrameResize:function(){
var self = this;
self._setFrame();
var winSize = this.getWindowSize();
var widthPer = Math.round(this.activeImage.width/winSize[2]*100);
var heightPer = Math.round(this.activeImage.height/winSize[1]*100);
var sizePer = 100;
if(widthPer>heightPer && widthPer>=this.defaulePerMax) {
sizePer = Math.round((winSize[2]*this.defaulePerMax)/this.activeImage.width);
}else if(widthPer<heightPer && heightPer>=this.defaulePerMax){
sizePer = Math.round((winSize[1]*this.defaulePerMax)/this.activeImage.height);
}
this.defaultSizePer = sizePer;
this.zoomAction(sizePer, true, false);
},
_setFrame:function() {
this.mask.style.display = '';
this.frame.style.display = '';
var winSize = this.getWindowSize();
this.mask.style.width = winSize[2] +'px';
this.mask.style.height = winSize[1] +'px';
this.frame.style.width = winSize[2] +'px';
this.frame.style.height = winSize[1] +'px';
this.fHint.style.width = winSize[2] +'px';
this.fHint.style.top = (winSize[1]-this.fControl.offsetHeight-this.fHint.offsetHeight) +'px';
this.fControl.style.width = winSize[2] +'px';
this.fControl.style.top = (winSize[1]-this.fControl.offsetHeight) +'px';
this.fButtons.style.left = ((winSize[2]-this.fButtons.offsetWidth)/2) +'px';
this.itemDefaultX = Math.round((winSize[2]-this.itemWidth)/2);
this.fItems.style.left = this.itemDefaultX +'px';
this.initialCoord = [
Math.round(winSize[2]/2),
Math.round((winSize[1]-this.fControl.offsetHeight)/2)
];
//重设loading，hit位置。
this.Loading.style.left = (this.initialCoord[0]-30) +'px';
this.Loading.style.top = (this.initialCoord[1]-30) +'px';
this.Error.style.left = (this.initialCoord[0]-Math.round(this.Error.offsetWidth/2)) +'px';
this.Error.style.top = (this.initialCoord[1]-Math.round(this.Error.offsetHeight/2)) +'px';
this.fPerHint.style.left = (this.initialCoord[0]-Math.round(this.fPerHint.offsetWidth/2)) +'px';
this.fPerHint.style.top = (this.initialCoord[1]-Math.round(this.fPerHint.offsetHeight/2)) +'px';
},
// 设置事件
setElementEvent : function() {
var self = this;
this.frame.oncontextmenu = function() {return false}
//this.CloseBox.onclick = function() {self.close()}//点击按钮关闭
this.frame.onclick = function() {self.close()}//点击蒙版关闭
this.Picture.onclick = this.Event.end;
this.Picture.ondblclick = function() {
var zoomPer = self.currentSizePer==self.defaultSizePer ? self.fullSizePer : self.defaultSizePer;
if(self.moveDistance.join(',')!='0,0') {
zoomPer = self.defaultSizePer;
self.moveDistance = [0, 0];
}
self.zoomAction(zoomPer, true);
}
this.dragPicture();
this.Loading.onclick = this.Event.end;
this.Error.onclick = this.Event.end;
this.fPerHint.onclick = this.Event.end;
this.fControl.onclick = this.Event.end;
this.fControl.ondblclick = function() {
// var zoomPer = self.currentSizePer==self.defaultSizePer ? self.fullSizePer : self.defaultSizePer;
// if(self.moveDistance.join(',')!='0,0') {
// zoomPer = self.defaultSizePer;
// self.moveDistance = [0, 0];
// }
// self.zoomAction(zoomPer, true);
}
this.fControl.onmouseover = function() {clearInterval(self.doFade); self.doFade = self.fadeAction(1, self.fItems, 100)}
this.fControl.onmouseout = function() {clearInterval(self.doFade); self.doFade = self.fadeAction(0, self.fItems, self.itemsOpacity)}
this.btnZoomIn.onmouseover = function() {self.hint(self.lng.zoomin);}
this.btnZoomIn.onmouseout = function() {self.hint();}
this.btnZoomIn.onclick = function() {self.zoomAction(1); return false;}
this.setQuickAction(this.btnZoomIn, 'self.zoomAction(1);');
this.btnZoomOut.onmouseover = function() {self.hint(self.lng.zoomout);}
this.btnZoomOut.onmouseout = function() {self.hint();}
this.btnZoomOut.onclick = function() {self.zoomAction(-1); return false;}
this.setQuickAction(this.btnZoomOut, 'self.zoomAction(-1);');
this.btnZoomActual.onmouseover = function() {self.hint(self.currentSizePer==100 ? self.lng.zoomauto : self.lng.zoomactual);}
this.btnZoomActual.onmouseout = function() {self.hint();}
this.btnZoomActual.onclick = function() {self.zoomAction(self.currentSizePer==100 ? self.defaultSizePer : 0); return false;}
this.btnPrev.onmouseover = function() {self.hint(self.lng.prev);picasaGetDom('PV_Select').className='PV_Btn_PrevOver';}
this.btnPrev.onmouseout = function() {self.hint();picasaGetDom('PV_Select').className='PV_Btn_Normal';}
this.btnPrev.onclick = function() {self.changeImage(self.currentNo-1); return false;}
this.setQuickAction(this.btnPrev, 'self.changeImage(self.currentNo-1);');
// this.btnSlide.onmouseover = function() {self.hint(self.lng.slide);picasaGetDom('PV_Select').className='PV_Btn_SildeOver';}
// this.btnSlide.onmouseout = function() {self.hint();picasaGetDom('PV_Select').className='PV_Btn_Normal';}
// this.btnSlide.onclick = function() {self.autoPlayAction(); return false;}
this.btnNext.onmouseover = function() {self.hint(self.lng.next);picasaGetDom('PV_Select').className='PV_Btn_NextOver';}
this.btnNext.onmouseout = function() {self.hint();picasaGetDom('PV_Select').className='PV_Btn_Normal';}
this.btnNext.onclick = function() {self.changeImage(self.currentNo+1); return false;}
this.setQuickAction(this.btnNext, 'self.changeImage(self.currentNo+1);');
//TODO 点击缩略图问题
$('#PV_Btn_Full').die("click").bind('click',function(e){
try{
core.fullScreen();
}catch(e){}
});
$('#PV_rotate_Left').die("click").bind('click',function(e){
try{
self.imageRotate(270);
}catch(e){}
})
$('#PV_rotate_Right').die("click").bind('click',function(e){
try{
self.imageRotate(90);
}catch(e){}
});
$('#PV_Btn_Remove').die("click").bind('click',function(e){
try{
self.removeImage();
}catch(e){}
});
$('#PV_Btn_Open').die("click").bind('click',function(e){
try{
window.open($('#PV_Picture').attr('src'));
}catch(e){}
});
this.btnAutoPlay.onmouseover = function() {self.hint(self.lng.autoplay);}
this.btnAutoPlay.onmouseout = function() {self.hint();}
this.btnAutoPlay.onclick = function() {self.autoPlayAction(); return false;}
},
// 开始显示
display : function(index) {
var self = this;
this.currentNo = index;
if(typeof(index) != 'number'){
this.currentNo = 0;
}
if(this.hotkey) this.setKeyboard(true);
this.displaySelect(false);
this.setFrameLayout();
this.loadImage();
this.moveAction();
this.doShowItem = setTimeout(function(){
self.fadeAction(1, self.fItems, self.itemsOpacity, 0);
}, 0);
},
// 切换图片
changeImage : function() {
if(this.isDraging) return;
var No = arguments[0];
if(No<0) No = 0;
if(No>=this.arrCount) No = this.arrCount-1;
if(No == this.currentNo) return;
clearInterval(this.doZoom);
clearTimeout(this.doAuto);
this.currentNo = No;
this.moveAction(true);
this.loadImage();
},
resetImage:function(image){
this.arrItems[this.currentNo][0][1] = image;
this.currentNo -= 1;
this.changeImage(this.currentNo+1);
},
// 加载图片
loadImage : function() {
$("#PV_Number").html((parseInt(this.currentNo)+1) + "/" +this.arrCount);
$('#PV_Items .current').removeClass('current');
$('#PV_Items [number='+this.currentNo+']').addClass('current');
this.loadImageBefore();
clearTimeout(this.doLoad);
var self = this;
this.isLoaded = false;
//this.Picture.style.display = 'none';
this.Loading.style.display = '';
this.Error.style.display = 'none';
if(this.Loading.offsetLeft==0) {
this.Loading.style.left = (this.initialCoord[0]-30) +'px';
this.Loading.style.top = (this.initialCoord[1]-30) +'px';
}
this.hintTxt = this.lng.loading;
this.hint();
this.activeImage.src = this.arrItems[this.currentNo][0][1];
this.Picture.src = this.activeImage.src;
//缩略图 change by warlee
var $image = $('#PV_Items .current img');
if(!$image.attr('src')){
$image.attr('src',$image.attr('data-original'));
}
$('#PV_Picture').css('display','none').fadeIn(200);
},
loadedAction : function() {
this.isLoaded = true;
var winSize = this.getWindowSize();
var widthPer = Math.round(this.activeImage.width/winSize[2]*100);
var heightPer = Math.round(this.activeImage.height/winSize[1]*100);
var sizePer = 100;
if(widthPer>heightPer && widthPer>=this.defaulePerMax) {
sizePer = Math.round((winSize[2]*this.defaulePerMax)/this.activeImage.width);
}else if(widthPer<heightPer && heightPer>=this.defaulePerMax){
sizePer = Math.round((winSize[1]*this.defaulePerMax)/this.activeImage.height);
}
this.defaultSizePer = sizePer;
this.fullSizePer = Math.round(winSize[2]/this.activeImage.width*100);
this.moveDistance = [0, 0];
this.arrItems[this.currentNo][2] = [this.activeImage.width, this.activeImage.height];
//this.Picture.src = this.activeImage.src;
this.zoomAction(sizePer, true, false);
var cItem = this.arrItems[this.currentNo];
var hintTxt = '';
if(cItem[3]!='') hintTxt = cItem[3]+' — ';
hintTxt += cItem[1] +' ('+ (cItem[2][0] +' x '+ cItem[2][1]) +')';
this.hintTxt = '<strong>'+ hintTxt +'</strong>';
this.hint();
this.Picture.style.display = '';
this.Loading.style.display = 'none';
this.Error.style.display = 'none';
if(this.isAutoPlaying) this.autoPlay();
},
loadError : function() {
if ($('#PicasaView').css("display")!="none") return;//动画方式退出。
this.Picture.style.display = 'none';
this.Loading.style.display = 'none';
this.Error.style.display = '';
this.Error.style.left = (this.initialCoord[0]-30) +'px';
this.Error.style.top = (this.initialCoord[1]-30) +'px';
this.hintTxt = this.lng.loaderror;
this.hint();
if(this.isAutoPlaying) this.autoPlay();
},
// 自动播放
autoPlayAction : function() {
if(!this.auto) return;
if(this.isAutoPlaying) {
clearTimeout(this.doAuto);
this.isAutoPlaying = false;
$(this.btnAutoPlay).removeClass('seled');
}else{
this.autoPlay();
this.isAutoPlaying = true;
$(this.btnAutoPlay).addClass('seled');
}
},
autoPlay : function() {
var self = this;
var No = this.currentNo>=this.arrCount-1 ? 0 : this.currentNo+1;
this.doAuto = setTimeout(function() {
self.changeImage(No);
}, this.autoInterval);
},
// 拖拽图片
dragPicture : function() {
var self = this;
var currentCoord = [];
var currentXY = [];
function dragMove(e) {
if(self.isZooming) return false;
if(!self.isDraging) {
self.fControl.style.display = 'none';
self.fHint.style.display = 'none';
self.isDraging = true;
}
var mouseXY = self.getXY(e);
self.Picture.style.left = (currentCoord[0]+mouseXY[0]-currentXY[0]) +'px';
self.Picture.style.top = (currentCoord[1]+mouseXY[1]-currentXY[1]) +'px';
return false;
}
function initDrag(e) {
currentCoord = [self.Picture.offsetLeft, self.Picture.offsetTop];
currentXY = self.getXY(e);
document.onmousemove = dragMove;
document.onmouseup = stopDrag;
return false;
}
function stopDrag() {
document.onmousemove = null;
document.onmouseup = null;
self.moveDistance = [Math.round((self.currentZoomCoord[0]-self.Picture.offsetLeft)/self.currentSizePer*100), Math.round((self.currentZoomCoord[1]-self.Picture.offsetTop)/self.currentSizePer*100)];
self.fControl.style.display = '';
self.fHint.style.display = '';
self.isDraging = false;
}
this.Picture.onmousedown = initDrag;
},
// 图片缩放
zoomAction : function() {
if(!this.isLoaded || this.isDraging) return;
clearInterval(this.doZoom);
switch(arguments[0]) {
case -1 :
this.currentSizePer *= this.zoomSpeed;
break;
case 0 :
this.currentSizePer = 100;
break;
case 1 :
this.currentSizePer /= this.zoomSpeed;
break;
case 2 :
this.currentSizePer = 0;
break;
default :
this.currentSizePer = arguments[0];
break;
}
if(!arguments[1]) {
if(this.currentSizePer<this.zoomMin) this.currentSizePer=this.zoomMin;
if(this.currentSizePer>this.zoomMax) this.currentSizePer=this.zoomMax;
this.currentSizePer = Math.round(this.currentSizePer);
}
var size = this.arrItems[this.currentNo][2];
this.currentZoomSize = [Math.round(size[0]*this.currentSizePer/100), Math.round(size[1]*this.currentSizePer/100)];
this.currentZoomCoord = [Math.round(this.initialCoord[0]-this.currentZoomSize[0]/2), Math.round(this.initialCoord[1]-this.currentZoomSize[1]/2)];
var moveDistance = [Math.round(this.moveDistance[0]*this.currentSizePer/100), Math.round(this.moveDistance[1]*this.currentSizePer/100)];
var zoomSize = this.currentZoomSize;
var zoomCoord = [this.currentZoomCoord[0]-moveDistance[0], this.currentZoomCoord[1]-moveDistance[1]]
var animation = arguments[2]==undefined ? this.zoomAnimation : arguments[2];
if(animation) {
var self = this;
var is_close = arguments[3];//arguments[3]退出时回调,退出缩放动画
this.doZoom = setInterval(function() {
self.zoomLoop(zoomSize, zoomCoord,is_close);
}, this.actionSpeed);
this.isZooming = true;
}else{
this.Picture.width = zoomSize[0];
this.Picture.height = zoomSize[1];
this.Picture.style.left = zoomCoord[0] +'px';
this.Picture.style.top = zoomCoord[1] +'px';
this.perHint(this.currentSizePer);
}
},
zoomLoop : function() {
var zoomSize = arguments[0];
var zoomCoord = arguments[1];
var sizeSpeed = [Math.round((zoomSize[0]-this.Picture.width)/this.zoomModulus*10)/10, Math.round((zoomSize[1]-this.Picture.height)/this.zoomModulus*10)/10]
var coordSpeed = [Math.round((zoomCoord[0]-this.Picture.offsetLeft)/this.zoomModulus*10)/10, Math.round((zoomCoord[1]-this.Picture.offsetTop)/this.zoomModulus*10)/10]
if((sizeSpeed.join(',')!='0,0') || coordSpeed.join(',')!='0,0') {
this.Picture.width += (sizeSpeed[0]>0 ? Math.ceil(sizeSpeed[0]) : Math.floor(sizeSpeed[0]));
this.Picture.height += (sizeSpeed[1]>0 ? Math.ceil(sizeSpeed[1]) : Math.floor(sizeSpeed[1]));
this.Picture.style.left = (this.Picture.offsetLeft+(coordSpeed[0]>0 ? Math.ceil(coordSpeed[0]) : Math.floor(coordSpeed[0]))) +'px';
this.Picture.style.top = (this.Picture.offsetTop+(coordSpeed[1]>0 ? Math.ceil(coordSpeed[1]) : Math.floor(coordSpeed[1]))) +'px';
this.perHint(Math.round(this.Picture.width/this.arrItems[this.currentNo][2][0]*100));
}else{
clearInterval(this.doZoom);
this.isZooming = false;
if (arguments[2]!=undefined) {
this.stopAll();
}
}
},
// 列表移动
moveAction : function() {
clearInterval(this.doMove);
var self = this;
var moveX = this.itemDefaultX-this.currentNo*this.itemWidth;
if(arguments[0]) {
this.doMove = setInterval(function(){
self.moveLoop(moveX);
}, this.actionSpeed);
}else{
this.fItems.style.left = moveX +'px';
}
},
moveLoop : function() {
var moveX = arguments[0];
var currX = this.fItems.offsetLeft;
var speed = Math.round((moveX-currX)/this.moveModulus*10)/10;
if(speed!=0) {
speed = speed>0 ? Math.ceil(speed) : Math.floor(speed);
this.fItems.style.left = (currX+speed) +'px';
}else{
this.fItems.style.left = moveX +'px';
clearInterval(this.doMove);
}
},
// 渐变
fadeAction : function() {
var args = arguments;
if(args[3]) this.opacity.set(args[1], args[3]);
var self = this;
var modulus = args[0]==1 ? this.fadeInModulus : this.fadeOutModulus;
var intervalID = setInterval(function(){
self.fadeLoop(args[1], args[2], modulus, intervalID)
}, this.actionSpeed);
return intervalID;
},
fadeLoop : function() {
var args = arguments;
var o = picasaGetDom(args[0]);
var currOpacity = this.opacity.get(o);
var modulus = parseInt(args[2], 10) || 5;
var speed = Math.round((args[1]-currOpacity)/modulus*10)/10;
if(speed!=0) {
speed = speed>0 ? Math.ceil(speed) : Math.floor(speed);
currOpacity += speed;
this.opacity.set(o, currOpacity);
}else{
clearInterval(args[3]);
}
},
// 信息提示
hint : function() {
var msg='';
if(arguments[0]) {
msg = arguments[0];
}else{
msg = this.hintTxt;
}
this.fHint.innerHTML = msg;
},
// 缩放百分比提示
perHint : function() {
this.fPerHint.innerHTML = arguments[0] +'%';
var self = this;
clearInterval(this.doFadePerHint);
this.doFadePerHint = this.fadeAction(1, self.fPerHint, this.perHintOpacity);
clearTimeout(this.doHidePerHint);
this.doHidePerHint = setTimeout(function(){
self.doFadePerHint = self.fadeAction(0, self.fPerHint, 0);
}, 1000);
},
// 快速模式
setQuickAction : function() {
var args = arguments;
var self = this;
args[0].onmousedown = function() {
self.doToQuick = setTimeout(function(){
self.doQuick = setInterval(function() {
eval(args[1]);
}, self.quickDoInterval);
}, self.toQuickInterval);
}
args[0].onmouseup = function() {
clearTimeout(self.doToQuick);
clearInterval(self.doQuick);
}
this.Event.add(args[0], 'mouseout', function() {
clearTimeout(self.doToQuick);
clearInterval(self.doQuick);
});
},
// 快捷键操作
setKeyboard : function(b) {
var self = this;
if(b) {
document.onkeydown = function(e) {self.keyboardAction(e);}
}else{
document.onkeydown = null;
}
},
keyboardAction : function(e) {
e = e || window.event;
var key = e.keyCode;
var isHotKey = false;
if(key==27) {//esc
this.close();
isHotKey = true;
}else if(key==37) {//left
this.changeImage(this.currentNo-1);
isHotKey = true;
}else if(key==39) {//right
this.changeImage(this.currentNo+1);
isHotKey = true;
}else if(key==38 || key==187 || key==107) {//up + number+
this.zoomAction(1);
isHotKey = true;
}else if(key==40 || key==189 || key==109) {//down - number-
this.zoomAction(-1);
isHotKey = true;
}else if(key==111 || key==191 || key==220) {//KP_Divide less greater bar
this.zoomAction(100);
isHotKey = true;
}else if(key==106) {
this.zoomAction(this.defaultSizePer);
isHotKey = true;
}else if(key==46) {
this.removeImage();
}
if(isHotKey) this.Event.end(e);
},
// 滚轮操作
setWheel : function(b) {
var self = this;
if (window.addEventListener) {
this.frame.addEventListener('DOMMouseScroll', function(e) {self.frameWheelAction(e);}, false);
this.fControl.addEventListener('DOMMouseScroll', function(e) {self.itemWheelAction(e);}, false);
}
this.frame.onmousewheel = function() {self.frameWheelAction();};
this.fControl.onmousewheel = function() {self.itemWheelAction();};
},
getWheel : function(e) {
e = e || window.event;
var delta = 0;
if (e.wheelDelta) {
delta = e.wheelDelta/120;
//if (window.opera) delta = -delta;
} else if (e.detail) {
delta = -e.detail/3;
}
delta = delta>0 ? 1 : -1;
return delta;
},
frameWheelAction : function(e) {
this.zoomAction(this.getWheel(e));
this.Event.end(e);
},
itemWheelAction : function(e) {
this.changeImage((this.currentNo-this.getWheel(e)));
this.Event.end(e);
},
// 停止所有动作
stopAll : function() {
var self = this;
clearTimeout(this.doShowItem);
clearTimeout(this.doAuto);
clearTimeout(this.doToQuick);
clearInterval(this.doQuick);
clearTimeout(this.doLoad);
clearInterval(this.doZoom);
clearInterval(this.doMove);
clearInterval(this.doFade);
clearTimeout(this.doHidePerHint);
clearInterval(this.doFadePerHint);
if(this.isAutoPlaying) this.autoPlayAction();
this.setKeyboard(false);
this.displaySelect(true);
this.activeImage.src = '';
this.arrCount = -1;
$(self.frame).fadeOut(self.fadeOutTime);
$(self.mask).fadeOut(self.fadeOutTime);
$('body').removeClass('stop_hot_key');
},
// 结束关闭
close : function() {
if (this.Error.style.display==''
|| this.hintTxt == 'loading...') {
this.stopAll();
}else{
this.zoomAction(2,true,true,true);
}
},
// 销毁
destruction : function() {
this.mask = null;// 框架对象
this.frame = null;
this.Picture = null;
this.Loading = null;
this.Error = null;
this.fPerHint = null;
this.fHint = null;
this.fControl = null;
this.fItems = null;
this.fButtons = null;
// 按钮对象
this.btnZoomIn = null;
this.btnZoomOut = null;
this.btnZoomActual = null;
this.btnPrev = null;
this.btnAutoPlay = null;
this.btnNext = null;
this.activeImage = null;
window[this.name] = null;
//try{window.CollectGarbage();}catch(e){};
}
}