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Adds keyboard support to image preview.

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This commit is contained in:
Lars Jung 2012-08-04 01:10:44 +02:00
parent a6fdf653a1
commit 2bcf6593a9
2 changed files with 74 additions and 37 deletions
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2
makefile.js
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@ -7,7 +7,7 @@ var path = require('path'),
moment = require('moment');
var version = '0.21-dev-33',
var version = '0.21-dev-34',
root = path.resolve(__dirname),
src = path.join(root, 'src'),

109
src/_h5ai/js/inc/ext/preview-img.js
View file

@ -60,7 +60,6 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
rect = $img.fracs('rect');
if (!rect) {
// console.log('RECT FAILED!');
return;
}
rect = rect.relativeTo($('#preview-overlay').fracs('rect'));
@ -79,7 +78,7 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
});
},
preload = function (src, callback) {
preloadImg = function (src, callback) {
var $hidden = $('<div><img/></div>')
.css({
@ -102,9 +101,8 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
.attr('src', src);
},
showImg = function (entries, idx) {
onIndexChange = function (idx) {
currentEntries = entries;
currentIdx = (idx + currentEntries.length) % currentEntries.length;
var $container = $('#preview-content'),
@ -124,7 +122,7 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
$('#preview-overlay').stop(true, true).fadeIn(200);
$('#preview-bar-idx').text('' + (currentIdx + 1) + ' / ' + currentEntries.length);
preload(src, function (width, height) {
preloadImg(src, function (width, height) {
clearTimeout(spinnerTimeout);
$container.spin(false);
@ -132,18 +130,76 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
$img.fadeOut(100, function () {
$img.attr('src', src).fadeIn(200);
setTimeout(adjustSize, 1);
// small timeout, so $img is visible
setTimeout(function () {
adjustSize();
$('#preview-bar-percent').text('' + (100 * $img.width() / width).toFixed(0) + '%');
}, 1);
});
$('#preview-bar-label').text(currentEntries[currentIdx].label);
$('#preview-bar-percent').text('' + (100 * $img.width() / width).toFixed(0) + '%');
$('#preview-bar-percent').text('···%');
$('#preview-bar-size').text('' + width + 'x' + height);
$('#preview-bar-idx').text('' + (currentIdx + 1) + ' / ' + currentEntries.length);
$('#preview-bar-original').find('a').attr('href', currentEntries[currentIdx].absHref);
});
},
checkEntry = function (entry) {
onEnter = function (entries, idx) {
$(window).on('keydown', onKeydown);
currentEntries = entries;
onIndexChange(idx);
},
onNext = function () {
onIndexChange(currentIdx + 1);
},
onPrevious = function () {
onIndexChange(currentIdx - 1);
},
onExit = function () {
$(window).off('keydown', onKeydown);
$('#preview-overlay').stop(true, true).fadeOut(200);
},
onFullscreen = function () {
isFullscreen = !isFullscreen;
store.put(storekey, isFullscreen);
adjustSize();
if (isFullscreen) {
$('#preview-bar-fullscreen').find('img').attr('src', resource.image('preview/no-fullscreen'));
$('#preview-bottombar').fadeOut(400);
} else {
$('#preview-bar-fullscreen').find('img').attr('src', resource.image('preview/fullscreen'));
$('#preview-bottombar').fadeIn(200);
}
},
onKeydown = function (event) {
var key = event.which;
if (key === 27) { // esc
onExit();
} else if (key === 37 || key === 40) { // left, down
onPrevious();
} else if (key === 38 || key === 39) { // up, right
onNext();
} else if (key === 70) { // f
onFullscreen();
}
},
initEntry = function (entry) {
if (entry.$extended && $.inArray(entry.type, settings.types) >= 0) {
@ -160,7 +216,7 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
return _.indexOf(settings.types, entry.type) >= 0;
});
showImg(entries, _.indexOf(entries, entry));
onEnter(entries, _.indexOf(entries, entry));
});
}
},
@ -173,60 +229,41 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
$(template).appendTo('body');
_.each(entry.content, checkEntry);
_.each(entry.content, initEntry);
$('#preview-bar-prev, #preview-prev').on('click', onPrevious);
$('#preview-bar-next, #preview-next').on('click', onNext);
$('#preview-bar-close, #preview-close').on('click', onExit);
$('#preview-bar-fullscreen').on('click', onFullscreen);
$('#preview-overlay').on('keydown', onKeydown);
$('#preview-bar-prev, #preview-prev').on('click', function (event) {
// event.stopPropagation();
showImg(currentEntries, currentIdx - 1);
});
$('#preview-prev')
.on('mouseenter', function (event) {
// event.stopPropagation();
$('#preview-bar-prev').addClass('hover');
})
.on('mouseleave', function (event) {
// event.stopPropagation();
$('#preview-bar-prev').removeClass('hover');
});
$('#preview-bar-next, #preview-next').on('click', function (event) {
// event.stopPropagation();
showImg(currentEntries, currentIdx + 1);
});
$('#preview-next')
.on('mouseenter', function (event) {
// event.stopPropagation();
$('#preview-bar-next').addClass('hover');
})
.on('mouseleave', function (event) {
// event.stopPropagation();
$('#preview-bar-next').removeClass('hover');
});
$('#preview-bar-close, #preview-close').on('click', function () {
// event.stopPropagation();
$('#preview-overlay').stop(true, true).fadeOut(200);
});
$('#preview-close')
.on('mouseenter', function (event) {
// event.stopPropagation();
$('#preview-bar-close').addClass('hover');
})
.on('mouseleave', function (event) {
// event.stopPropagation();
$('#preview-bar-close').removeClass('hover');
});
$('#preview-bar-fullscreen').on('click', function (event) {
// event.stopPropagation();
isFullscreen = !isFullscreen;
store.put(storekey, isFullscreen);
$('#preview-bar-fullscreen').find('img').attr('src', isFullscreen ? resource.image('preview/no-fullscreen') : resource.image('preview/fullscreen'));
adjustSize();
});
$('#preview-overlay')
.on('mousedown', function (event) {
.on('click mousedown mousemove keydown keypress', function (event) {
event.stopPropagation();
})