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Updates image preview.
This commit is contained in:
Lars Jung
parent
8dbd7dd2a7
commit
25c131f875
4 changed files with 180 additions and 408 deletions
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@ -1,100 +1,11 @@
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modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource', 'core/store', 'core/event', 'core/location'], function (_, $, allsettings, resource, store, event, location) {
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modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/store', 'core/event', 'ext/preview'], function (_, $, allsettings, store, event, preview) {
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var settings = _.extend({
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enabled: false,
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types: ['bmp', 'gif', 'ico', 'image', 'jpg', 'png', 'tiff']
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}, allsettings['preview-img']),
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template = '<div id="pv-img-overlay" class="noSelection">' +
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'<div id="pv-img-content">' +
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'<img id="pv-img-image"/>' +
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'</div>' +
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'<div id="pv-spinner">' +
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'<img src="' + resource.image('spinner') + '"/>' +
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'</div>' +
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'<div id="pv-img-close"/>' +
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'<div id="pv-img-prev"/>' +
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'<div id="pv-img-next"/>' +
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'<div id="pv-img-bottombar" class="clearfix">' +
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'<ul id="pv-img-buttons">' +
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'<li id="pv-img-bar-size" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-percent" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-label" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-close" class="bar-right bar-button"><img src="' + resource.image('preview/close') + '"/></li>' +
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'<li id="pv-img-bar-original" class="bar-right"><a class="bar-button" target="_blank"><img src="' + resource.image('preview/raw') + '"/></a></li>' +
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'<li id="pv-img-bar-fullscreen" class="bar-right bar-button"><img src="' + resource.image('preview/fullscreen') + '"/></li>' +
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'<li id="pv-img-bar-next" class="bar-right bar-button"><img src="' + resource.image('preview/next') + '"/></li>' +
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'<li id="pv-img-bar-idx" class="bar-right bar-label"/>' +
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'<li id="pv-img-bar-prev" class="bar-right bar-button"><img src="' + resource.image('preview/prev') + '"/></li>' +
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'</ul>' +
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'</div>' +
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'</div>',
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storekey = 'preview-img.isFullscreen',
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currentEntries = [],
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currentIdx = 0,
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isFullscreen = store.get(storekey) || false,
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adjustSize = function () {
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var rect = $(window).fracs('viewport'),
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$container = $('#pv-img-content'),
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$spinner = $('#pv-spinner'),
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$spinnerimg = $spinner.find('img').width(100).height(100),
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$img = $('#pv-img-image'),
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margin = isFullscreen ? 0 : 20,
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barheight = isFullscreen ? 0 : 31;
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$container.add($spinner).css({
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width: rect.width - 2 * margin,
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height: rect.height - 2 * margin - barheight,
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left: margin,
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top: margin
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});
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var lr = ($container.width() - $img.width()) / 2,
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tb = ($container.height() - $img.height()) / 2;
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$img.css({
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margin: '' + tb + 'px ' + lr + 'px'
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});
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$spinnerimg.css({
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margin: '' + (($spinner.height() - $spinnerimg.height()) / 2) + 'px ' + (($spinner.width() - $spinnerimg.height()) / 2) + 'px'
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});
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rect = $img.fracs('rect');
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if (!rect) {
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return;
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}
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rect = rect.relativeTo($('#pv-img-overlay').fracs('rect'));
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$('#pv-img-prev').css({
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left: rect.left,
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top: rect.top,
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width: rect.width / 2,
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height: rect.height
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});
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$('#pv-img-next').css({
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left: rect.left + rect.width / 2,
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top: rect.top,
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width: rect.width / 2,
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height: rect.height
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});
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$('#pv-img-bar-percent').text('' + (100 * $img.width() / $img[0].naturalWidth).toFixed(0) + '%');
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if (isFullscreen) {
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$('#pv-img-overlay').addClass('fullscreen');
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$('#pv-img-bar-fullscreen').find('img').attr('src', resource.image('preview/no-fullscreen'));
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$('#pv-img-bottombar').fadeOut(400);
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} else {
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$('#pv-img-overlay').removeClass('fullscreen');
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$('#pv-img-bar-fullscreen').find('img').attr('src', resource.image('preview/fullscreen'));
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$('#pv-img-bottombar').fadeIn(200);
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}
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},
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preloadImg = function (src, callback) {
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var $img = $('<img/>')
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@ -106,94 +17,69 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
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.attr('src', src);
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},
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onIndexChange = function (idx) {
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currentIdx = (idx + currentEntries.length) % currentEntries.length;
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var $container = $('#pv-img-content'),
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$img = $('#pv-img-image'),
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src = currentEntries[currentIdx].absHref,
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spinnerTimeout = setTimeout(function () { $('#pv-spinner').show(); }, 200);
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preloadImg(src, function ($preloaded_img) {
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clearTimeout(spinnerTimeout);
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$('#pv-spinner').hide();
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$('#pv-img-image').fadeOut(100, function () {
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$('#pv-img-image').replaceWith($preloaded_img.hide());
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$preloaded_img.attr('id', 'pv-img-image').fadeIn(200);
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// small timeout, so $preloaded_img is visible and therefore $preloaded_img.width is available
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setTimeout(function () {
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adjustSize();
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$('#pv-img-bar-label').text(currentEntries[currentIdx].label);
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$('#pv-img-bar-size').text('' + $preloaded_img[0].naturalWidth + 'x' + $preloaded_img[0].naturalHeight);
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$('#pv-img-bar-idx').text('' + (currentIdx + 1) + ' / ' + currentEntries.length);
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$('#pv-img-bar-original').find('a').attr('href', currentEntries[currentIdx].absHref);
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}, 10);
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});
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});
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},
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onEnter = function (items, idx) {
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$(window).on('keydown', onKeydown);
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$('#pv-img-image').hide();
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$('#pv-img-overlay').stop(true, true).fadeIn(200);
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var currentItems = items,
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currentIdx = idx,
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currentItem = items[idx],
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currentEntries = items;
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adjustSize();
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onIndexChange(idx);
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},
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onAdjustSize = function () {
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onNext = function () {
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var $content = $('#pv-content'),
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$img = $('#pv-img-image');
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onIndexChange(currentIdx + 1);
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},
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if ($img.length) {
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onPrevious = function () {
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$img.css({
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'left': '' + (($content.width()-$img.width())*0.5) + 'px',
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'top': '' + (($content.height()-$img.height())*0.5) + 'px'
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});
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onIndexChange(currentIdx - 1);
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},
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preview.setLabels([
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currentItem.label,
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'' + $img[0].naturalWidth + 'x' + $img[0].naturalHeight,
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'' + (100 * $img.width() / $img[0].naturalWidth).toFixed(0) + '%'
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]);
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}
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},
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onExit = function () {
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onIdxChange = function (rel) {
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$(window).off('keydown', onKeydown);
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$('#pv-img-overlay').stop(true, true).fadeOut(200);
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},
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currentIdx = (currentIdx + rel + currentItems.length) % currentItems.length;
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currentItem = currentItems[currentIdx];
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onFullscreen = function () {
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var spinnerTimeout = setTimeout(function () { preview.showSpinner(true); }, 200);
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isFullscreen = !isFullscreen;
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store.put(storekey, isFullscreen);
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preloadImg(currentItem.absHref, function ($preloaded_img) {
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adjustSize();
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},
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clearTimeout(spinnerTimeout);
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preview.showSpinner(false);
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onKeydown = function (event) {
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$('#pv-content').fadeOut(100, function () {
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var key = event.which;
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$('#pv-content').empty().append($preloaded_img.attr('id', 'pv-img-image')).fadeIn(200);
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if (key === 27) { // esc
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event.preventDefault();
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event.stopImmediatePropagation();
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onExit();
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} else if (key === 8 || key === 37 || key === 40) { // backspace, left, down
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event.preventDefault();
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event.stopImmediatePropagation();
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onPrevious();
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} else if (key === 13 || key === 32 || key === 38 || key === 39) { // enter, space, up, right
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event.preventDefault();
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event.stopImmediatePropagation();
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onNext();
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} else if (key === 70) { // f
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event.preventDefault();
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event.stopImmediatePropagation();
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onFullscreen();
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}
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// small timeout, so $preloaded_img is visible and therefore $preloaded_img.width is available
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setTimeout(function () {
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onAdjustSize();
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preview.setIndex(currentIdx + 1, currentItems.length);
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preview.setLabels([
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currentItem.label,
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'' + $preloaded_img[0].naturalWidth + 'x' + $preloaded_img[0].naturalHeight,
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'' + (100 * $preloaded_img.width() / $preloaded_img[0].naturalWidth).toFixed(0) + '%'
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]);
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preview.setRawLink(currentItem.absHref);
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}, 10);
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});
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});
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};
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onIdxChange(0);
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preview.setOnIndexChange(onIdxChange);
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preview.setOnAdjustSize(onAdjustSize);
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preview.enter();
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},
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initItem = function (item) {
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@ -230,59 +116,8 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
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return;
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}
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$(template).appendTo('body');
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$('#pv-img-bar-prev, #pv-img-prev').on('click', onPrevious);
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$('#pv-img-bar-next, #pv-img-next').on('click', onNext);
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$('#pv-img-bar-close, #pv-img-close').on('click', onExit);
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$('#pv-img-bar-fullscreen').on('click', onFullscreen);
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$('#pv-img-prev')
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.on('mouseenter', function () {
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$('#pv-img-bar-prev').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-prev').removeClass('hover');
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});
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$('#pv-img-next')
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.on('mouseenter', function () {
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$('#pv-img-bar-next').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-next').removeClass('hover');
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});
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$('#pv-img-close')
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.on('mouseenter', function () {
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$('#pv-img-bar-close').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-close').removeClass('hover');
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});
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$('#pv-img-overlay')
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.on('keydown', onKeydown)
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.on('mousemove', function (event) {
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if (isFullscreen) {
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var rect = $('#pv-img-overlay').fracs('rect');
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if (rect.bottom - event.pageY < 64) {
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$('#pv-img-bottombar').fadeIn(200);
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} else {
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$('#pv-img-bottombar').fadeOut(400);
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}
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}
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})
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.on('click mousedown mousemove keydown keypress', function (event) {
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event.stopImmediatePropagation();
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});
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event.sub('location.changed', onLocationChanged);
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event.sub('location.refreshed', onLocationRefreshed);
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$(window).on('resize load', adjustSize);
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};
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init();
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