https://thedanplan.com/blog/wp-content/plugins/nextgen-gallery/shutter/shutter-reloaded.js?ver=1.3.3
1/* 2Shutter Reloaded for NextGEN Gallery 3http://www.laptoptips.ca/javascripts/shutter-reloaded/ 4Version: 1.3.3 5Copyright (C) 2007-2008 Andrew Ozz (Modification by Alex Rabe) 6Released under the GPL, http://www.gnu.org/copyleft/gpl.html 7 8Acknowledgement: some ideas are from: Shutter by Andrew Sutherland - http://code.jalenack.com, WordPress - http://wordpress.org, Lightbox by Lokesh Dhakar - http://www.huddletogether.com, the icons are from Crystal Project Icons, Everaldo Coelho, http://www.everaldo.com 9 10*/ 11 12shutterOnload = function(){shutterReloaded.init('sh');} 13 14if (typeof shutterOnload == 'function') { 15 if ('undefined' != typeof jQuery) jQuery(document).ready(function(){shutterOnload();}); 16 else if( typeof window.onload != 'function' ) window.onload = shutterOnload; 17 else {oldonld = window.onload;window.onload = function(){if(oldonld){oldonld();};shutterOnload();}}; 18} 19 20shutterReloaded = { 21 22 I : function (a) { 23 return document.getElementById(a); 24 }, 25 26 settings : function() { 27 var t = this, s = shutterSettings; 28 29 t.imageCount = s.imageCount || 0; 30 t.msgLoading = s.msgLoading || 'L O A D I N G'; 31 t.msgClose = s.msgClose || 'Click to Close'; 32 }, 33 34 init : function (a) { 35 var t = this, L, T, ext, i, m, setid, inset, shfile, shMenuPre, k, img; 36 shutterLinks = {}, shutterSets = {}; 37 if ( 'object' != typeof shutterSettings ) shutterSettings = {}; 38 39 // If the screen orientation is defined we are in a modern mobile OS 40 t.mobileOS = typeof orientation != 'undefined' ? true : false; 41 42 for ( i = 0; i < document.links.length; i++ ) { 43 L = document.links[i]; 44 ext = ( L.href.indexOf('?') == -1 ) ? L.href.slice(-4).toLowerCase() : L.href.substring( 0, L.href.indexOf('?') ).slice(-4).toLowerCase(); 45 if ( ext != '.jpg' && ext != '.png' && ext != '.gif' && ext != 'jpeg' ) continue; 46 if ( a == 'sh' && L.className.toLowerCase().indexOf('shutter') == -1 ) continue; 47 if ( a == 'lb' && L.rel.toLowerCase().indexOf('lightbox') == -1 ) continue; 48 49 if ( L.className.toLowerCase().indexOf('shutterset') != -1 ) 50 setid = L.className.replace(/\s/g, '_'); 51 else if ( L.rel.toLowerCase().indexOf('lightbox[') != -1 ) 52 setid = L.rel.replace(/\s/g, '_'); 53 else setid = 0, inset = -1; 54 55 if( setid ) { 56 if ( ! shutterSets[setid] ) shutterSets[setid] = []; 57 inset = shutterSets[setid].push(i); 58 } 59 60 shfile = L.href.slice(L.href.lastIndexOf('/')+1); 61 T = ( L.title && L.title != shfile ) ? L.title : ''; 62 63 shutterLinks[i] = {link:L.href,num:inset,set:setid,title:T} 64 L.onclick = new Function('shutterReloaded.make("' + i + '");return false;'); 65 } 66 67 t.settings(); 68 69 }, 70 71 make : function(ln,fs) { 72 var t = this, prev, next, prevlink = '', nextlink = '', previmg, nextimg, D, S, W, fsarg = -1, imgNum, NavBar; 73 74 if ( ! t.Top ) { 75 if ( typeof window.pageYOffset != 'undefined' ) t.Top = window.pageYOffset; 76 else t.Top = (document.documentElement.scrollTop > 0) ? document.documentElement.scrollTop : document.body.scrollTop; 77 } 78 79 if ( typeof t.pgHeight == 'undefined' ) 80 t.pgHeight = Math.max(document.documentElement.scrollHeight,document.body.scrollHeight); 81 82 if ( fs ) t.FS = ( fs > 0 ) ? 1 : 0; 83 else t.FS = shutterSettings.FS || 0; 84 85 if ( t.resizing ) t.resizing = null; 86 87 // resize event if window or orientation changed (i.e. iOS) 88 if(t.mobileOS == true) 89 window.onorientationchange = new Function('shutterReloaded.resize("'+ln+'");'); 90 else 91 window.onresize = new Function('shutterReloaded.resize("'+ln+'");'); 92 93 document.documentElement.style.overflowX = 'hidden'; 94 if ( ! t.VP ) { 95 t._viewPort(); 96 t.VP = true; 97 } 98 99 if ( ! (S = t.I('shShutter')) ) { 100 S = document.createElement('div'); 101 S.setAttribute('id','shShutter'); 102 document.getElementsByTagName('body')[0].appendChild(S); 103 t.hideTags(); 104 } 105 106 if ( ! (D = t.I('shDisplay')) ) { 107 D = document.createElement('div'); 108 D.setAttribute('id','shDisplay'); 109 D.style.top = t.Top + 'px'; 110 document.getElementsByTagName('body')[0].appendChild(D); 111 } 112 113 S.style.height = t.pgHeight + 'px'; 114 115 var dv = t.textBtns ? ' | ' : ''; 116 if ( shutterLinks[ln].num > 1 ) { 117 prev = shutterSets[shutterLinks[ln].set][shutterLinks[ln].num - 2]; 118 prevlink = '<a href="#" id="prevpic" onclick="shutterReloaded.make('+prev+');return false"><<</a>'+dv;
119 previmg = new Image(); 120 previmg.src = shutterLinks[prev].link; 121 } else { 122 prevlink = ''; 123 } 124 125 if ( shutterLinks[ln].num != -1 && shutterLinks[ln].num < (shutterSets[shutterLinks[ln].set].length) ) { 126 next = shutterSets[shutterLinks[ln].set][shutterLinks[ln].num]; 127 nextlink = '<a href="#" id="nextpic" onclick="shutterReloaded.make('+next+');return false">>></a>'+dv; 128 nextimg = new Image(); 129 nextimg.src = shutterLinks[next].link; 130 } else { 131 nextlink = ''; 132 } 133 134 imgNum = ( (shutterLinks[ln].num > 0) && t.imageCount ) ? '<div id="shCount"> ( ' + shutterLinks[ln].num + ' / ' + shutterSets[shutterLinks[ln].set].length + ' ) </div>' : ''; 135 136 NavBar = '<div id="shTitle"><div id="shPrev">' + prevlink + '</div><div id="shNext">' + nextlink + '</div><div id="shName">' + shutterLinks[ln].title + '</div>' + imgNum + '</div>'; 137 138 D.innerHTML = '<div id="shWrap"><img src="'+shutterLinks[ln].link+'" id="shTopImg" title="' + t.msgClose + '" onload="shutterReloaded.showImg();" onclick="shutterReloaded.hideShutter();" />' + NavBar +'</div>'; 139 140 document.onkeydown = function(event){shutterReloaded.handleArrowKeys(event);}; 141 //Google Chrome 4.0.249.78 bug for onload attribute 142 document.getElementById('shTopImg').src = shutterLinks[ln].link; 143 144 window.setTimeout(function(){shutterReloaded.loading();},1000); 145 }, 146 147 loading : function() { 148 var t = this, S, WB, W; 149 if ( (W = t.I('shWrap')) && W.style.visibility == 'visible' ) return; 150 if ( ! (S = t.I('shShutter')) ) return; 151 if ( t.I('shWaitBar') ) return; 152 WB = document.createElement('div'); 153 WB.setAttribute('id','shWaitBar'); 154 WB.style.top = t.Top + 'px'; 155 WB.style.marginTop =(t.pgHeight/2) + 'px' 156 WB.innerHTML = t.msgLoading; 157 S.appendChild(WB); 158 }, 159 160 hideShutter : function() { 161 var t = this, D, S; 162 if ( D = t.I('shDisplay') ) D.parentNode.removeChild(D); 163 if ( S = t.I('shShutter') ) S.parentNode.removeChild(S); 164 t.hideTags(true); 165 window.scrollTo(0,t.Top); 166 window.onresize = t.FS = t.Top = t.VP = null; 167 document.documentElement.style.overflowX = ''; 168 document.onkeydown = null; 169 }, 170 171 resize : function(ln) { 172 var t = this; 173 174 if ( t.resizing ) return; 175 if ( ! t.I('shShutter') ) return; 176 var W = t.I('shWrap'); 177 if ( W ) W.style.visibility = 'hidden'; 178 179 window.setTimeout(function(){shutterReloaded.resizing = null},500); 180 window.setTimeout(new Function('shutterReloaded.VP = null;shutterReloaded.make("'+ln+'");'),100); 181 t.resizing = true; 182 }, 183 184 _viewPort : function() { 185 var t = this; 186 var wiH = window.innerHeight ? window.innerHeight : 0; 187 var dbH = document.body.clientHeight ? document.body.clientHeight : 0; 188 var deH = document.documentElement ? document.documentElement.clientHeight : 0; 189 190 if( wiH > 0 ) { 191 t.wHeight = ( (wiH - dbH) > 1 && (wiH - dbH) < 30 ) ? dbH : wiH; 192 t.wHeight = ( (t.wHeight - deH) > 1 && (t.wHeight - deH) < 30 ) ? deH : t.wHeight; 193 } else t.wHeight = ( deH > 0 ) ? deH : dbH; 194 195 var deW = document.documentElement ? document.documentElement.clientWidth : 0; 196 var dbW = window.innerWidth ? window.innerWidth : document.body.clientWidth; 197 t.wWidth = ( deW > 1 ) ? deW : dbW; 198 }, 199 200 showImg : function() { 201 var t = this, S = t.I('shShutter'), D = t.I('shDisplay'), TI = t.I('shTopImg'), T = t.I('shTitle'), NB = t.I('shNavBar'), W, WB, wHeight, wWidth, shHeight, maxHeight, itop, mtop, resized = 0; 202 203 if ( ! S ) return; 204 if ( (W = t.I('shWrap')) && W.style.visibility == 'visible' ) return; 205 if ( WB = t.I('shWaitBar') ) WB.parentNode.removeChild(WB); 206 207 S.style.width = D.style.width = ''; 208 T.style.width = (TI.width - 4) + 'px'; 209 210 shHeight = t.wHeight - 50; 211 212 if ( t.FS ) { 213 if ( TI.width > (t.wWidth - 10) ) 214 S.style.width = D.style.width = TI.width + 10 + 'px'; 215 document.documentElement.style.overflowX = ''; 216 } else { 217 window.scrollTo(0,t.Top); 218 if ( TI.height > shHeight ) { 219 TI.width = TI.width * (shHeight / TI.height); 220 TI.height = shHeight; 221 resized = 1; 222 } 223 if ( TI.width > (t.wWidth - 16) ) { 224 TI.height = TI.height * ((t.wWidth - 16) / TI.width); 225 TI.width = t.wWidth - 16; 226 resized = 1; 227 } 228 T.style.width = (TI.width - 4) + 'px'; 229 } 230 231 maxHeight = t.Top + TI.height + 10; 232 if ( maxHeight > t.pgHeight ) S.style.height = maxHeight + 'px'; 233 window.scrollTo(0,t.Top); 234 235 itop = (shHeight - TI.height) * 0.45; 236 mtop = (itop > 3) ? Math.floor(itop) : 3; 237 D.style.top = t.Top + mtop + 'px'; 238 W.style.visibility = 'visible'; 239 }, 240 241 hideTags : function(arg) { 242 var sel = document.getElementsByTagName('select'); 243 var obj = document.getElementsByTagName('object'); 244 var emb = document.getElementsByTagName('embed'); 245 var ifr = document.getElementsByTagName('iframe'); 246 247 var vis = ( arg ) ? 'visible' : 'hidden'; 248 249 for (i = 0; i < sel.length; i++) sel[i].style.visibility = vis; 250 for (i = 0; i < obj.length; i++) obj[i].style.visibility = vis; 251 for (i = 0; i < emb.length; i++) emb[i].style.visibility = vis; 252 for (i = 0; i < ifr.length; i++) ifr[i].style.visibility = vis; 253 }, 254 255 handleArrowKeys : function(e) { 256 var code = 0; 257 if (!e) var e = window.event 258 if (e.keyCode) code = e.keyCode; 259 else if (e.which) code = e.which; 260 261 var nextlink = document.getElementById('prevpic'); 262 var prevlink = document.getElementById('nextpic'); 263 var closelink = document.getElementById('shTopImg'); 264 265 switch (code) { 266 case 39: 267 if (prevlink) prevlink.onclick(); 268 break; 269 case 37: 270 if (nextlink) nextlink.onclick(); 271 break; 272 case 27: 273 if (closelink) closelink.onclick(); 274 break; 275 } 276 } 277}
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