/* Simple image viewer widget. Usage: * * .. * * Clicking on the above link will cause the image viewer to open * full_image.jpg. The {category} part can be empty or absent. If it is not * empty, next/previous links will show up to point to the other images within * the same category. * * ivInit() should be called when links with "data-iv" attributes are * dynamically added or removed from the DOM. */ // Cache of image categories and the list of associated link objects. Used to // quickly generate the next/prev links. var cats; function init() { cats = {}; var n = 0; var l = byName('a'); for(var i=0;i=0 && j ww || h+70 > wh) { full.href = u; setText(full, w+'x'+h); full.style.visibility = 'visible'; if(w/h > ww/wh) { // width++ h *= (ww-100)/w; w = ww-100; } else { // height++ w *= (wh-70)/h; h = wh-70; } } else full.style.visibility = 'hidden'; var dw = w; var dh = h+20; dw = dw < 200 ? 200 : dw; // update document setClass(view, 'hidden', false); setContent(byId('ivimg'), tag('img', {src:u, onclick:close, onload: function() { setClass(byId('ivimgload'), 'hidden', true); }, style: 'width: '+w+'px; height: '+h+'px' })); view.style.width = dw+'px'; view.style.height = dh+'px'; view.style.left = ((ww - dw) / 2 - 10)+'px'; view.style.top = ((wh - dh) / 2 + st - 20)+'px'; byId('ivimgload').style.left = ((ww - 100) / 2 - 10)+'px'; byId('ivimgload').style.top = ((wh - 20) / 2 + st)+'px'; setClass(byId('ivimgload'), 'hidden', false); return false; } function close() { setClass(byId('iv_view'), 'hidden', true); setClass(byId('ivimgload'), 'hidden', true); setText(byId('ivimg'), ''); return false; } window.ivInit = init; init();