160 lines
4.5 KiB
HTML
160 lines
4.5 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC
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"-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<title>Flipbook (draft)</title>
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<style type="text/css">
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body {
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background-color: black;
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color: white;
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}
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.ui-effects-transfer {
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border: 2px dotted gray;
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}
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</style>
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<script type="text/javascript" src="jquery.js"></script>
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<script type="text/javascript" src="jquery-ui.js"></script>
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<script type="text/javascript" src="jquery.event.special.gesture.js"></script>
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<script type="text/javascript" src="jquery.gestureable.js"></script>
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<script type="text/javascript">
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/* Code to do some fancy book-like effects
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*/
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/* a closure-based class */
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var ImageManager = function (images) {
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var self = this;
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var currentPage = 0;
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self.getCurrentPages = function () {
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return [images[currentPage],
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images[currentPage+1]];
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};
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self.turnNext = function () {
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currentPage += 2;
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return self.getCurrentPages();
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};
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self.turnPrevious = function () {
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currentPage -= 2;
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return self.getCurrentPages();
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};
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};
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function style_element(element) {
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element.css('background-color', 'black');
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element.css('width', '900px');
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element.css('height', '650px');
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element.css('border', '2px dashed white');
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}
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function small_gesture(event) {
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/* called in mousedown of small images */
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var container = $(event.target).closest('div');
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var manager = container.data('manager');
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var large = $(event.target).
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attr('src').
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replace(/small/, 'large');
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switch (event.gesture) {
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case 'U':
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case 'D':
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container.data('left').hide();
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container.data('right').hide();
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container.data('spacer').hide();
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container.data('zoomed').attr('src', large).show('clip');
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break;
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case 'L':
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var images = manager.turnPrevious();
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container.data('left').attr('src', images[0] + '_small.jpg');
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container.data('right').attr('src', images[1] + '_small.jpg');
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break;
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case 'R':
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var images = manager.turnNext();
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container.data('left').attr('src', images[0] + '_small.jpg');
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container.data('right').attr('src', images[1] + '_small.jpg');
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break;
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}
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}
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function large_gesture(event) {
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var container = $(event.target).closest('div');
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switch (event.gesture) {
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case 'U':
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case 'D':
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$(event.target).hide();
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container.data('spacer').show();
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container.data('left').show();
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container.data('right').show();
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}
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}
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function disable_scroll(event) {
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/* Simply disables the dragging of elements */
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return false;
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}
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function flipbook(element, images) {
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var manager = new ImageManager(images);
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element.data('manager', manager);
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// apply the style
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style_element(element);
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// create a spacer div and attach it
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var spacer = $('<div class="spacer"></div>');
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spacer.css('height', '162px');
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element.data('spacer', spacer);
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element.append(spacer);
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var zoomed = $('<img />');
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zoomed.gestureable();
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zoomed.mouseup(large_gesture).
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mousedown(disable_scroll).
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hide();
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element.data('zoomed', zoomed);
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element.append(zoomed);
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// create the images
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var currentImages = manager.getCurrentPages();
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var left = $('<img src="' + currentImages[0] + '_small.jpg" />');
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var right = $('<img src="' + currentImages[1] + '_small.jpg" />');
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element.data('left', left);
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element.data('right', right);
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$([left, right]).each(function (key, value) {
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// enable gestures
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value.gestureable();
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value.mouseup(small_gesture);
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value.mousedown(disable_scroll);
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// add to the display
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element.append(value);
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});
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}
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$(document).ready(function () {
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flipbook($('#flipbook'),
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['image_01', 'image_02', 'image_03', 'image_04',
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'image_05', 'image_06', 'image_07', 'image_08',
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'image_09', 'image_10', 'image_11', 'image_12',
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'image_13', 'image_14', 'image_15']);
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});
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</script>
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</head>
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<body>
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<div id="flipbook"></div>
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<p>Usage: gesture left/right to change images, up/down to zoom in/out</p>
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<p>The flipbook uses a number of libs:</p>
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<p>
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<ul>
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<li>jQuery</li>
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<li>jQuery UI</li>
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<li>jQuery Special Event Gestures</li>
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</ul>
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</p>
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</body>
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</html>
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