www/lib/static/js/turn.js
2023-04-24 19:39:10 +02:00

2291 lines
No EOL
78 KiB
JavaScript

/**
* turn.js 4th release
* turnjs.com
* turnjs.com/license.txt
*
* Copyright (C) 2012 Emmanuel Garcia
* All rights reserved
**/
(function ($) {
'use strict';
var has3d,
hasRot,
vendor = '',
version = '4.1.0',
PI = Math.PI,
A90 = PI / 2,
isTouch = ('ontouchstart' in window),
mouseEvents = isTouch ? {
down: 'touchstart',
move: 'touchmove',
up: 'touchend',
over: 'touchstart',
out: 'touchend'
} : {
down: 'mousedown',
move: 'mousemove',
up: 'mouseup',
over: 'mouseover',
out: 'mouseout'
},
// Contansts used for each corner
// | tl * tr |
// l | * * | r
// | bl * br |
corners = {
backward: ['bl', 'tl'],
forward: ['br', 'tr'],
all: ['tl', 'bl', 'tr', 'br', 'l', 'r']
},
// Display values
displays = ['single', 'double'],
// Direction values
directions = ['ltr', 'rtl'],
// Default options
turnOptions = {
// Enables hardware acceleration
acceleration: true,
// Display
display: 'double',
// Duration of transition in milliseconds
duration: 600,
// First page
page: 1,
// Enables gradients
gradients: true,
// Corners used when turning the page
turnCorners: 'bl,br',
// Events
when: null
},
flipOptions = {
// Size of the active zone of each corner
cornerSize: 100
},
// Number of pages in the DOM, minimum value: 6
pagesInDOM = 6,
turnMethods = {
// Singleton constructor
// $('#selector').turn([options]);
init: function (options) {
// Define constants
has3d = 'WebKitCSSMatrix' in window || 'MozPerspective' in document.body.style;
hasRot = rotationAvailable();
vendor = getPrefix();
var i,
that = this,
pageNum = 0,
data = this.data(),
ch = this.children();
// Set initial configuration
options = $.extend({
width: this.width(),
height: this.height(),
direction: this.attr('dir') || this.css('direction') || 'ltr'
}, turnOptions, options);
data.opts = options;
data.pageObjs = {};
data.pages = {};
data.pageWrap = {};
data.pageZoom = {};
data.pagePlace = {};
data.pageMv = [];
data.zoom = 1;
data.totalPages = options.pages || 0;
data.eventHandlers = {
touchStart: $.proxy(turnMethods._touchStart, this),
touchMove: $.proxy(turnMethods._touchMove, this),
touchEnd: $.proxy(turnMethods._touchEnd, this),
start: $.proxy(turnMethods._eventStart, this)
};
// Add event listeners
if (options.when) for (i in options.when) if (has(i, options.when)) this.bind(i, options.when[i]);
// Set the css
this.css({
position: 'relative',
width: options.width,
height: options.height
});
// Set the initial display
this.turn('display', options.display);
// Set the direction
if (options.direction !== '') this.turn('direction', options.direction);
// Prevent blue screen problems of switching to hardware acceleration mode
// By forcing hardware acceleration for ever
if (has3d && !isTouch && options.acceleration) this.transform(translate(0, 0, true));
// Add pages from the DOM
for (i = 0; i < ch.length; i++) {
if ($(ch[i]).attr('ignore') != '1') {
this.turn('addPage', ch[i], ++pageNum);
}
}
// Event listeners
$(this).bind(mouseEvents.down, data.eventHandlers.touchStart).bind('end', turnMethods._eventEnd).bind('pressed', turnMethods._eventPressed).bind('released', turnMethods._eventReleased).bind('flip', turnMethods._flip);
$(this).parent().bind('start', data.eventHandlers.start);
$(document).bind(mouseEvents.move, data.eventHandlers.touchMove).bind(mouseEvents.up, data.eventHandlers.touchEnd);
// Set the initial page
this.turn('page', options.page);
// This flipbook is ready
data.done = true;
return this;
},
// Adds a page from external data
addPage: function (element, page) {
var currentPage,
className,
incPages = false,
data = this.data(),
lastPage = data.totalPages + 1;
if (data.destroying) return false;
// Read the page number from the className of `element` - format: p[0-9]+
if (currentPage = /\bp([0-9]+)\b/.exec($(element).attr('class'))) page = parseInt(currentPage[1], 10);
if (page) {
if (page == lastPage) incPages = true;else if (page > lastPage) throw turnError('Page "' + page + '" cannot be inserted');
} else {
page = lastPage;
incPages = true;
}
if (page >= 1 && page <= lastPage) {
if (data.display == 'double') className = page % 2 ? ' odd' : ' even';else className = '';
// Stop animations
if (data.done) this.turn('stop');
// Move pages if it's necessary
if (page in data.pageObjs) turnMethods._movePages.call(this, page, 1);
// Increase the number of pages
if (incPages) data.totalPages = lastPage;
// Add element
data.pageObjs[page] = $(element).css({
'float': 'left'
}).addClass('page p' + page + className);
if (!hasHardPage() && data.pageObjs[page].hasClass('hard')) {
data.pageObjs[page].removeClass('hard');
}
// Add page
turnMethods._addPage.call(this, page);
// Remove pages out of range
turnMethods._removeFromDOM.call(this);
}
return this;
},
// Adds a page
_addPage: function (page) {
var data = this.data(),
element = data.pageObjs[page];
if (element) if (turnMethods._necessPage.call(this, page)) {
if (!data.pageWrap[page]) {
// Wrapper
data.pageWrap[page] = $('<div/>', {
'class': 'page-wrapper',
page: page,
css: {
position: 'absolute',
overflow: 'hidden'
}
});
// Append to this flipbook
this.append(data.pageWrap[page]);
if (!data.pagePlace[page]) {
data.pagePlace[page] = page;
// Move `pageObjs[page]` to wrapper
data.pageObjs[page].appendTo(data.pageWrap[page]);
}
// Set the size of the page
var prop = turnMethods._pageSize.call(this, page, true);
element.css({
width: prop.width,
height: prop.height
});
data.pageWrap[page].css(prop);
}
if (data.pagePlace[page] == page) {
// If the page isn't in another place, create the flip effect
turnMethods._makeFlip.call(this, page);
}
} else {
// Place
data.pagePlace[page] = 0;
// Remove element from the DOM
if (data.pageObjs[page]) data.pageObjs[page].remove();
}
},
// Checks if a page is in memory
hasPage: function (page) {
return has(page, this.data().pageObjs);
},
// Centers the flipbook
center: function (page) {
var data = this.data(),
size = $(this).turn('size'),
left = 0;
if (!data.noCenter) {
if (data.display == 'double') {
var view = this.turn('view', page || data.tpage || data.page);
if (data.direction == 'ltr') {
if (!view[0]) left -= size.width / 4;else if (!view[1]) left += size.width / 4;
} else {
if (!view[0]) left += size.width / 4;else if (!view[1]) left -= size.width / 4;
}
}
$(this).css({
marginLeft: left
});
}
return this;
},
// Destroys the flipbook
destroy: function () {
var page,
flipbook = this,
data = this.data(),
events = ['end', 'first', 'flip', 'last', 'pressed', 'released', 'start', 'turning', 'turned', 'zooming', 'missing'];
if (trigger('destroying', this) == 'prevented') return;
data.destroying = true;
$.each(events, function (index, eventName) {
flipbook.unbind(eventName);
});
this.parent().unbind('start', data.eventHandlers.start);
$(document).unbind(mouseEvents.move, data.eventHandlers.touchMove).unbind(mouseEvents.up, data.eventHandlers.touchEnd);
while (data.totalPages !== 0) {
this.turn('removePage', data.totalPages);
}
if (data.fparent) data.fparent.remove();
if (data.shadow) data.shadow.remove();
this.removeData();
data = null;
return this;
},
// Checks if this element is a flipbook
is: function () {
return typeof this.data().pages == 'object';
},
// Sets and gets the zoom value
zoom: function (newZoom) {
var data = this.data();
if (typeof newZoom == 'number') {
if (newZoom < 0.001 || newZoom > 100) throw turnError(newZoom + ' is not a value for zoom');
if (trigger('zooming', this, [newZoom, data.zoom]) == 'prevented') return this;
var size = this.turn('size'),
currentView = this.turn('view'),
iz = 1 / data.zoom,
newWidth = Math.round(size.width * iz * newZoom),
newHeight = Math.round(size.height * iz * newZoom);
data.zoom = newZoom;
$(this).turn('stop').turn('size', newWidth, newHeight);
/*.
css({marginTop: size.height * iz / 2 - newHeight / 2});*/
if (data.opts.autoCenter) this.turn('center');
/*else
$(this).css({marginLeft: size.width * iz / 2 - newWidth / 2});*/
turnMethods._updateShadow.call(this);
for (var i = 0; i < currentView.length; i++) {
if (currentView[i] && data.pageZoom[currentView[i]] != data.zoom) {
this.trigger('zoomed', [currentView[i], currentView, data.pageZoom[currentView[i]], data.zoom]);
data.pageZoom[currentView[i]] = data.zoom;
}
}
return this;
} else return data.zoom;
},
// Gets the size of a page
_pageSize: function (page, position) {
var data = this.data(),
prop = {};
if (data.display == 'single') {
prop.width = this.width();
prop.height = this.height();
if (position) {
prop.top = 0;
prop.left = 0;
prop.right = 'auto';
}
} else {
var pageWidth = this.width() / 2,
pageHeight = this.height();
if (data.pageObjs[page].hasClass('own-size')) {
prop.width = data.pageObjs[page].width();
prop.height = data.pageObjs[page].height();
} else {
prop.width = pageWidth;
prop.height = pageHeight;
}
if (position) {
var odd = page % 2;
prop.top = (pageHeight - prop.height) / 2;
if (data.direction == 'ltr') {
prop[odd ? 'right' : 'left'] = pageWidth - prop.width;
prop[odd ? 'left' : 'right'] = 'auto';
} else {
prop[odd ? 'left' : 'right'] = pageWidth - prop.width;
prop[odd ? 'right' : 'left'] = 'auto';
}
}
}
return prop;
},
// Prepares the flip effect for a page
_makeFlip: function (page) {
var data = this.data();
if (!data.pages[page] && data.pagePlace[page] == page) {
var single = data.display == 'single',
odd = page % 2;
data.pages[page] = data.pageObjs[page].css(turnMethods._pageSize.call(this, page)).flip({
page: page,
next: odd || single ? page + 1 : page - 1,
turn: this
}).flip('disable', data.disabled);
// Issue about z-index
turnMethods._setPageLoc.call(this, page);
data.pageZoom[page] = data.zoom;
}
return data.pages[page];
},
// Makes pages within a range
_makeRange: function () {
var page,
range,
data = this.data();
if (data.totalPages < 1) return;
range = this.turn('range');
for (page = range[0]; page <= range[1]; page++) turnMethods._addPage.call(this, page);
},
// Returns a range of pages that should be in the DOM
// Example:
// - page in the current view, return true
// * page is in the range, return true
// Otherwise, return false
//
// 1 2-3 4-5 6-7 8-9 10-11 12-13
// ** ** -- ** **
range: function (page) {
var remainingPages,
left,
right,
view,
data = this.data();
page = page || data.tpage || data.page || 1;
view = turnMethods._view.call(this, page);
if (page < 1 || page > data.totalPages) throw turnError('"' + page + '" is not a valid page');
view[1] = view[1] || view[0];
if (view[0] >= 1 && view[1] <= data.totalPages) {
remainingPages = Math.floor((pagesInDOM - 2) / 2);
if (data.totalPages - view[1] > view[0]) {
left = Math.min(view[0] - 1, remainingPages);
right = 2 * remainingPages - left;
} else {
right = Math.min(data.totalPages - view[1], remainingPages);
left = 2 * remainingPages - right;
}
} else {
left = pagesInDOM - 1;
right = pagesInDOM - 1;
}
return [Math.max(1, view[0] - left), Math.min(data.totalPages, view[1] + right)];
},
// Detects if a page is within the range of `pagesInDOM` from the current view
_necessPage: function (page) {
if (page === 0) return true;
var range = this.turn('range');
return this.data().pageObjs[page].hasClass('fixed') || page >= range[0] && page <= range[1];
},
// Releases memory by removing pages from the DOM
_removeFromDOM: function () {
var page,
data = this.data();
for (page in data.pageWrap) if (has(page, data.pageWrap) && !turnMethods._necessPage.call(this, page)) turnMethods._removePageFromDOM.call(this, page);
},
// Removes a page from DOM and its internal references
_removePageFromDOM: function (page) {
var data = this.data();
if (data.pages[page]) {
var dd = data.pages[page].data();
flipMethods._moveFoldingPage.call(data.pages[page], false);
if (dd.f && dd.f.fwrapper) dd.f.fwrapper.remove();
data.pages[page].removeData();
data.pages[page].remove();
delete data.pages[page];
}
if (data.pageObjs[page]) data.pageObjs[page].remove();
if (data.pageWrap[page]) {
data.pageWrap[page].remove();
delete data.pageWrap[page];
}
turnMethods._removeMv.call(this, page);
delete data.pagePlace[page];
delete data.pageZoom[page];
},
// Removes a page
removePage: function (page) {
var data = this.data();
// Delete all the pages
if (page == '*') {
while (data.totalPages !== 0) {
this.turn('removePage', data.totalPages);
}
} else {
if (page < 1 || page > data.totalPages) throw turnError('The page ' + page + ' doesn\'t exist');
if (data.pageObjs[page]) {
// Stop animations
this.turn('stop');
// Remove `page`
turnMethods._removePageFromDOM.call(this, page);
delete data.pageObjs[page];
}
// Move the pages
turnMethods._movePages.call(this, page, -1);
// Resize the size of this flipbook
data.totalPages = data.totalPages - 1;
// Check the current view
if (data.page > data.totalPages) {
data.page = null;
turnMethods._fitPage.call(this, data.totalPages);
} else {
turnMethods._makeRange.call(this);
this.turn('update');
}
}
return this;
},
// Moves pages
_movePages: function (from, change) {
var page,
that = this,
data = this.data(),
single = data.display == 'single',
move = function (page) {
var next = page + change,
odd = next % 2,
className = odd ? ' odd ' : ' even ';
if (data.pageObjs[page]) data.pageObjs[next] = data.pageObjs[page].removeClass('p' + page + ' odd even').addClass('p' + next + className);
if (data.pagePlace[page] && data.pageWrap[page]) {
data.pagePlace[next] = next;
if (data.pageObjs[next].hasClass('fixed')) data.pageWrap[next] = data.pageWrap[page].attr('page', next);else data.pageWrap[next] = data.pageWrap[page].css(turnMethods._pageSize.call(that, next, true)).attr('page', next);
if (data.pages[page]) data.pages[next] = data.pages[page].flip('options', {
page: next,
next: single || odd ? next + 1 : next - 1
});
if (change) {
delete data.pages[page];
delete data.pagePlace[page];
delete data.pageZoom[page];
delete data.pageObjs[page];
delete data.pageWrap[page];
}
}
};
if (change > 0) for (page = data.totalPages; page >= from; page--) move(page);else for (page = from; page <= data.totalPages; page++) move(page);
},
// Sets or Gets the display mode
display: function (display) {
var data = this.data(),
currentDisplay = data.display;
if (display === undefined) {
return currentDisplay;
} else {
if ($.inArray(display, displays) == -1) throw turnError('"' + display + '" is not a value for display');
switch (display) {
case 'single':
// Create a temporal page to use as folded page
if (!data.pageObjs[0]) {
this.turn('stop').css({
'overflow': 'hidden'
});
data.pageObjs[0] = $('<div />', {
'class': 'page p-temporal'
}).css({
width: this.width(),
height: this.height()
}).appendTo(this);
}
this.addClass('shadow');
break;
case 'double':
// Remove the temporal page
if (data.pageObjs[0]) {
this.turn('stop').css({
'overflow': ''
});
data.pageObjs[0].remove();
delete data.pageObjs[0];
}
this.removeClass('shadow');
break;
}
data.display = display;
if (currentDisplay) {
var size = this.turn('size');
turnMethods._movePages.call(this, 1, 0);
this.turn('size', size.width, size.height).turn('update');
}
return this;
}
},
// Gets and sets the direction of the flipbook
direction: function (dir) {
var data = this.data();
if (dir === undefined) {
return data.direction;
} else {
dir = dir.toLowerCase();
if ($.inArray(dir, directions) == -1) throw turnError('"' + dir + '" is not a value for direction');
if (dir == 'rtl') {
$(this).attr('dir', 'ltr').css({
direction: 'ltr'
});
}
data.direction = dir;
if (data.done) this.turn('size', $(this).width(), $(this).height());
return this;
}
},
// Detects animation
animating: function () {
return this.data().pageMv.length > 0;
},
// Gets the current activated corner
corner: function () {
var corner,
page,
data = this.data();
for (page in data.pages) {
if (has(page, data.pages)) if (corner = data.pages[page].flip('corner')) {
return corner;
}
}
return false;
},
// Gets the data stored in the flipbook
data: function () {
return this.data();
},
// Disables and enables the effect
disable: function (disable) {
var page,
data = this.data(),
view = this.turn('view');
data.disabled = disable === undefined || disable === true;
for (page in data.pages) {
if (has(page, data.pages)) data.pages[page].flip('disable', data.disabled ? true : $.inArray(parseInt(page, 10), view) == -1);
}
return this;
},
// Disables and enables the effect
disabled: function (disable) {
if (disable === undefined) {
return this.data().disabled === true;
} else {
return this.turn('disable', disable);
}
},
// Gets and sets the size
size: function (width, height) {
if (width === undefined || height === undefined) {
return {
width: this.width(),
height: this.height()
};
} else {
this.turn('stop');
var page,
prop,
data = this.data(),
pageWidth = data.display == 'double' ? width / 2 : width;
this.css({
width: width,
height: height
});
if (data.pageObjs[0]) data.pageObjs[0].css({
width: pageWidth,
height: height
});
for (page in data.pageWrap) {
if (!has(page, data.pageWrap)) continue;
prop = turnMethods._pageSize.call(this, page, true);
data.pageObjs[page].css({
width: prop.width,
height: prop.height
});
data.pageWrap[page].css(prop);
if (data.pages[page]) data.pages[page].css({
width: prop.width,
height: prop.height
});
}
this.turn('resize');
return this;
}
},
// Resizes each page
resize: function () {
var page,
data = this.data();
if (data.pages[0]) {
data.pageWrap[0].css({
left: -this.width()
});
data.pages[0].flip('resize', true);
}
for (page = 1; page <= data.totalPages; page++) if (data.pages[page]) data.pages[page].flip('resize', true);
turnMethods._updateShadow.call(this);
if (data.opts.autoCenter) this.turn('center');
},
// Removes an animation from the cache
_removeMv: function (page) {
var i,
data = this.data();
for (i = 0; i < data.pageMv.length; i++) if (data.pageMv[i] == page) {
data.pageMv.splice(i, 1);
return true;
}
return false;
},
// Adds an animation to the cache
_addMv: function (page) {
var data = this.data();
turnMethods._removeMv.call(this, page);
data.pageMv.push(page);
},
// Gets indexes for a view
_view: function (page) {
var data = this.data();
page = page || data.page;
if (data.display == 'double') return page % 2 ? [page - 1, page] : [page, page + 1];else return [page];
},
// Gets a view
view: function (page) {
var data = this.data(),
view = turnMethods._view.call(this, page);
if (data.display == 'double') return [view[0] > 0 ? view[0] : 0, view[1] <= data.totalPages ? view[1] : 0];else return [view[0] > 0 && view[0] <= data.totalPages ? view[0] : 0];
},
// Stops animations
stop: function (ignore, animate) {
if (this.turn('animating')) {
var i,
opts,
page,
data = this.data();
if (data.tpage) {
data.page = data.tpage;
delete data['tpage'];
}
for (i = 0; i < data.pageMv.length; i++) {
if (!data.pageMv[i] || data.pageMv[i] === ignore) continue;
page = data.pages[data.pageMv[i]];
opts = page.data().f.opts;
page.flip('hideFoldedPage', animate);
if (!animate) flipMethods._moveFoldingPage.call(page, false);
if (opts.force) {
opts.next = opts.page % 2 === 0 ? opts.page - 1 : opts.page + 1;
delete opts['force'];
}
}
}
this.turn('update');
return this;
},
// Gets and sets the number of pages
pages: function (pages) {
var data = this.data();
if (pages) {
if (pages < data.totalPages) {
for (var page = data.totalPages; page > pages; page--) this.turn('removePage', page);
}
data.totalPages = pages;
turnMethods._fitPage.call(this, data.page);
return this;
} else return data.totalPages;
},
// Checks missing pages
_missing: function (page) {
var data = this.data();
if (data.totalPages < 1) return;
var p,
range = this.turn('range', page),
missing = [];
for (p = range[0]; p <= range[1]; p++) {
if (!data.pageObjs[p]) missing.push(p);
}
if (missing.length > 0) this.trigger('missing', [missing]);
},
// Sets a page without effect
_fitPage: function (page) {
var data = this.data(),
newView = this.turn('view', page);
turnMethods._missing.call(this, page);
if (!data.pageObjs[page]) return;
data.page = page;
this.turn('stop');
for (var i = 0; i < newView.length; i++) {
if (newView[i] && data.pageZoom[newView[i]] != data.zoom) {
this.trigger('zoomed', [newView[i], newView, data.pageZoom[newView[i]], data.zoom]);
data.pageZoom[newView[i]] = data.zoom;
}
}
turnMethods._removeFromDOM.call(this);
turnMethods._makeRange.call(this);
turnMethods._updateShadow.call(this);
this.trigger('turned', [page, newView]);
this.turn('update');
if (data.opts.autoCenter) this.turn('center');
},
// Turns the page
_turnPage: function (page) {
var current,
next,
data = this.data(),
place = data.pagePlace[page],
view = this.turn('view'),
newView = this.turn('view', page);
if (data.page != page) {
var currentPage = data.page;
if (trigger('turning', this, [page, newView]) == 'prevented') {
if (currentPage == data.page && $.inArray(place, data.pageMv) != -1) data.pages[place].flip('hideFoldedPage', true);
return;
}
if ($.inArray(1, newView) != -1) this.trigger('first');
if ($.inArray(data.totalPages, newView) != -1) this.trigger('last');
}
if (data.display == 'single') {
current = view[0];
next = newView[0];
} else if (view[1] && page > view[1]) {
current = view[1];
next = newView[0];
} else if (view[0] && page < view[0]) {
current = view[0];
next = newView[1];
}
var optsCorners = data.opts.turnCorners.split(','),
flipData = data.pages[current].data().f,
opts = flipData.opts,
actualPoint = flipData.point;
turnMethods._missing.call(this, page);
if (!data.pageObjs[page]) return;
this.turn('stop');
data.page = page;
turnMethods._makeRange.call(this);
data.tpage = next;
if (opts.next != next) {
opts.next = next;
opts.force = true;
}
this.turn('update');
flipData.point = actualPoint;
if (flipData.effect == 'hard') {
if (data.direction == 'ltr') data.pages[current].flip('turnPage', page > current ? 'r' : 'l');else data.pages[current].flip('turnPage', page > current ? 'l' : 'r');
} else {
if (data.direction == 'ltr') data.pages[current].flip('turnPage', optsCorners[page > current ? 1 : 0]);else data.pages[current].flip('turnPage', optsCorners[page > current ? 0 : 1]);
}
},
// Gets and sets a page
page: function (page) {
var data = this.data();
if (page === undefined) {
return data.page;
} else {
if (!data.disabled && !data.destroying) {
page = parseInt(page, 10);
if (page > 0 && page <= data.totalPages) {
if (page != data.page) {
if (!data.done || $.inArray(page, this.turn('view')) != -1) turnMethods._fitPage.call(this, page);else turnMethods._turnPage.call(this, page);
}
return this;
} else {
throw turnError('The page ' + page + ' does not exist');
}
}
}
},
// Turns to the next view
next: function () {
return this.turn('page', Math.min(this.data().totalPages, turnMethods._view.call(this, this.data().page).pop() + 1));
},
// Turns to the previous view
previous: function () {
return this.turn('page', Math.max(1, turnMethods._view.call(this, this.data().page).shift() - 1));
},
// Shows a peeling corner
peel: function (corner, animate) {
var data = this.data(),
view = this.turn('view');
animate = animate === undefined ? true : animate === true;
if (corner === false) {
this.turn('stop', null, animate);
} else {
if (data.display == 'single') {
data.pages[data.page].flip('peel', corner, animate);
} else {
var page;
if (data.direction == 'ltr') {
page = corner.indexOf('l') != -1 ? view[0] : view[1];
} else {
page = corner.indexOf('l') != -1 ? view[1] : view[0];
}
if (data.pages[page]) data.pages[page].flip('peel', corner, animate);
}
}
return this;
},
// Adds a motion to the internal list
// This event is called in context of flip
_addMotionPage: function () {
var opts = $(this).data().f.opts,
turn = opts.turn,
dd = turn.data();
turnMethods._addMv.call(turn, opts.page);
},
// This event is called in context of flip
_eventStart: function (e, opts, corner) {
var data = opts.turn.data(),
actualZoom = data.pageZoom[opts.page];
if (e.isDefaultPrevented()) {
turnMethods._updateShadow.call(opts.turn);
return;
}
if (actualZoom && actualZoom != data.zoom) {
opts.turn.trigger('zoomed', [opts.page, opts.turn.turn('view', opts.page), actualZoom, data.zoom]);
data.pageZoom[opts.page] = data.zoom;
}
if (data.display == 'single' && corner) {
if (corner.charAt(1) == 'l' && data.direction == 'ltr' || corner.charAt(1) == 'r' && data.direction == 'rtl') {
opts.next = opts.next < opts.page ? opts.next : opts.page - 1;
opts.force = true;
} else {
opts.next = opts.next > opts.page ? opts.next : opts.page + 1;
}
}
turnMethods._addMotionPage.call(e.target);
turnMethods._updateShadow.call(opts.turn);
},
// This event is called in context of flip
_eventEnd: function (e, opts, turned) {
var that = $(e.target),
data = that.data().f,
turn = opts.turn,
dd = turn.data();
if (turned) {
var tpage = dd.tpage || dd.page;
if (tpage == opts.next || tpage == opts.page) {
delete dd.tpage;
turnMethods._fitPage.call(turn, tpage || opts.next, true);
}
} else {
turnMethods._removeMv.call(turn, opts.page);
turnMethods._updateShadow.call(turn);
turn.turn('update');
}
},
// This event is called in context of flip
_eventPressed: function (e) {
var page,
data = $(e.target).data().f,
turn = data.opts.turn,
turnData = turn.data(),
pages = turnData.pages;
turnData.mouseAction = true;
turn.turn('update');
return data.time = new Date().getTime();
},
// This event is called in context of flip
_eventReleased: function (e, point) {
var outArea,
page = $(e.target),
data = page.data().f,
turn = data.opts.turn,
turnData = turn.data();
if (turnData.display == 'single') {
outArea = point.corner == 'br' || point.corner == 'tr' ? point.x < page.width() / 2 : point.x > page.width() / 2;
} else {
outArea = point.x < 0 || point.x > page.width();
}
if (new Date().getTime() - data.time < 200 || outArea) {
e.preventDefault();
turnMethods._turnPage.call(turn, data.opts.next);
}
turnData.mouseAction = false;
},
// This event is called in context of flip
_flip: function (e) {
e.stopPropagation();
var opts = $(e.target).data().f.opts;
opts.turn.trigger('turn', [opts.next]);
if (opts.turn.data().opts.autoCenter) {
opts.turn.turn('center', opts.next);
}
},
//
_touchStart: function () {
var data = this.data();
for (var page in data.pages) {
if (has(page, data.pages) && flipMethods._eventStart.apply(data.pages[page], arguments) === false) {
return false;
}
}
},
//
_touchMove: function () {
var data = this.data();
for (var page in data.pages) {
if (has(page, data.pages)) {
flipMethods._eventMove.apply(data.pages[page], arguments);
}
}
},
//
_touchEnd: function () {
var data = this.data();
for (var page in data.pages) {
if (has(page, data.pages)) {
flipMethods._eventEnd.apply(data.pages[page], arguments);
}
}
},
// Calculate the z-index value for pages during the animation
calculateZ: function (mv) {
var i,
page,
nextPage,
placePage,
dpage,
that = this,
data = this.data(),
view = this.turn('view'),
currentPage = view[0] || view[1],
total = mv.length - 1,
r = {
pageZ: {},
partZ: {},
pageV: {}
},
addView = function (page) {
var view = that.turn('view', page);
if (view[0]) r.pageV[view[0]] = true;
if (view[1]) r.pageV[view[1]] = true;
};
for (i = 0; i <= total; i++) {
page = mv[i];
nextPage = data.pages[page].data().f.opts.next;
placePage = data.pagePlace[page];
addView(page);
addView(nextPage);
dpage = data.pagePlace[nextPage] == nextPage ? nextPage : page;
r.pageZ[dpage] = data.totalPages - Math.abs(currentPage - dpage);
r.partZ[placePage] = data.totalPages * 2 - total + i;
}
return r;
},
// Updates the z-index and display property of every page
update: function () {
var page,
data = this.data();
if (this.turn('animating') && data.pageMv[0] !== 0) {
// Update motion
var p,
apage,
fixed,
pos = this.turn('calculateZ', data.pageMv),
corner = this.turn('corner'),
actualView = this.turn('view'),
newView = this.turn('view', data.tpage);
for (page in data.pageWrap) {
if (!has(page, data.pageWrap)) continue;
fixed = data.pageObjs[page].hasClass('fixed');
data.pageWrap[page].css({
display: pos.pageV[page] || fixed ? '' : 'none',
zIndex: (data.pageObjs[page].hasClass('hard') ? pos.partZ[page] : pos.pageZ[page]) || (fixed ? -1 : 0)
});
if (p = data.pages[page]) {
p.flip('z', pos.partZ[page] || null);
if (pos.pageV[page]) p.flip('resize');
if (data.tpage) {
// Is it turning the page to `tpage`?
p.flip('hover', false).flip('disable', $.inArray(parseInt(page, 10), data.pageMv) == -1 && page != newView[0] && page != newView[1]);
} else {
p.flip('hover', corner === false).flip('disable', page != actualView[0] && page != actualView[1]);
}
}
}
} else {
// Update static pages
for (page in data.pageWrap) {
if (!has(page, data.pageWrap)) continue;
var pageLocation = turnMethods._setPageLoc.call(this, page);
if (data.pages[page]) {
data.pages[page].flip('disable', data.disabled || pageLocation != 1).flip('hover', true).flip('z', null);
}
}
}
return this;
},
// Updates the position and size of the flipbook's shadow
_updateShadow: function () {
var view,
view2,
shadow,
data = this.data(),
width = this.width(),
height = this.height(),
pageWidth = data.display == 'single' ? width : width / 2;
view = this.turn('view');
if (!data.shadow) {
data.shadow = $('<div />', {
'class': 'shadow',
'css': divAtt(0, 0, 0).css
}).appendTo(this);
}
for (var i = 0; i < data.pageMv.length; i++) {
if (!view[0] || !view[1]) break;
view = this.turn('view', data.pages[data.pageMv[i]].data().f.opts.next);
view2 = this.turn('view', data.pageMv[i]);
view[0] = view[0] && view2[0];
view[1] = view[1] && view2[1];
}
if (!view[0]) shadow = data.direction == 'ltr' ? 1 : 2;else if (!view[1]) shadow = data.direction == 'ltr' ? 2 : 1;else shadow = 3;
switch (shadow) {
case 1:
data.shadow.css({
width: pageWidth,
height: height,
top: 0,
left: pageWidth
});
break;
case 2:
data.shadow.css({
width: pageWidth,
height: height,
top: 0,
left: 0
});
break;
case 3:
data.shadow.css({
width: width,
height: height,
top: 0,
left: 0
});
break;
}
},
// Sets the z-index and display property of a page
// It depends on the current view
_setPageLoc: function (page) {
var data = this.data(),
view = this.turn('view'),
loc = 0;
if (page == view[0] || page == view[1]) loc = 1;else if (data.display == 'single' && page == view[0] + 1 || data.display == 'double' && page == view[0] - 2 || page == view[1] + 2) loc = 2;
if (!this.turn('animating')) switch (loc) {
case 1:
data.pageWrap[page].css({
zIndex: data.totalPages,
display: ''
});
break;
case 2:
data.pageWrap[page].css({
zIndex: data.totalPages - 1,
display: ''
});
break;
case 0:
data.pageWrap[page].css({
zIndex: 0,
display: data.pageObjs[page].hasClass('fixed') ? '' : 'none'
});
break;
}
return loc;
},
// Gets and sets the options
options: function (options) {
if (options === undefined) {
return this.data().opts;
} else {
var data = this.data();
// Set new values
$.extend(data.opts, options);
// Set pages
if (options.pages) this.turn('pages', options.pages);
// Set page
if (options.page) this.turn('page', options.page);
// Set display
if (options.display) this.turn('display', options.display);
// Set direction
if (options.direction) this.turn('direction', options.direction);
// Set size
if (options.width && options.height) this.turn('size', options.width, options.height);
// Add event listeners
if (options.when) for (var eventName in options.when) if (has(eventName, options.when)) {
this.unbind(eventName).bind(eventName, options.when[eventName]);
}
return this;
}
},
// Gets the current version
version: function () {
return version;
}
},
// Methods and properties for the flip page effect
flipMethods = {
// Constructor
init: function (opts) {
this.data({
f: {
disabled: false,
hover: false,
effect: this.hasClass('hard') ? 'hard' : 'sheet'
}
});
this.flip('options', opts);
flipMethods._addPageWrapper.call(this);
return this;
},
setData: function (d) {
var data = this.data();
data.f = $.extend(data.f, d);
return this;
},
options: function (opts) {
var data = this.data().f;
if (opts) {
flipMethods.setData.call(this, {
opts: $.extend({}, data.opts || flipOptions, opts)
});
return this;
} else return data.opts;
},
z: function (z) {
var data = this.data().f;
data.opts['z-index'] = z;
if (data.fwrapper) data.fwrapper.css({
zIndex: z || parseInt(data.parent.css('z-index'), 10) || 0
});
return this;
},
_cAllowed: function () {
var data = this.data().f,
page = data.opts.page,
turnData = data.opts.turn.data(),
odd = page % 2;
if (data.effect == 'hard') {
return turnData.direction == 'ltr' ? [odd ? 'r' : 'l'] : [odd ? 'l' : 'r'];
} else {
if (turnData.display == 'single') {
if (page == 1) return turnData.direction == 'ltr' ? corners['forward'] : corners['backward'];else if (page == turnData.totalPages) return turnData.direction == 'ltr' ? corners['backward'] : corners['forward'];else return corners['all'];
} else {
return turnData.direction == 'ltr' ? corners[odd ? 'forward' : 'backward'] : corners[odd ? 'backward' : 'forward'];
}
}
},
_cornerActivated: function (p) {
var data = this.data().f,
width = this.width(),
height = this.height(),
point = {
x: p.x,
y: p.y,
corner: ''
},
csz = data.opts.cornerSize;
if (point.x <= 0 || point.y <= 0 || point.x >= width || point.y >= height) return false;
var allowedCorners = flipMethods._cAllowed.call(this);
switch (data.effect) {
case 'hard':
if (point.x > width - csz) point.corner = 'r';else if (point.x < csz) point.corner = 'l';else return false;
break;
case 'sheet':
if (point.y < csz) point.corner += 't';else if (point.y >= height - csz) point.corner += 'b';else return false;
if (point.x <= csz) point.corner += 'l';else if (point.x >= width - csz) point.corner += 'r';else return false;
break;
}
return !point.corner || $.inArray(point.corner, allowedCorners) == -1 ? false : point;
},
_isIArea: function (e) {
var pos = this.data().f.parent.offset();
e = isTouch && e.originalEvent ? e.originalEvent.touches[0] : e;
return flipMethods._cornerActivated.call(this, {
x: e.pageX - pos.left,
y: e.pageY - pos.top
});
},
_c: function (corner, opts) {
opts = opts || 0;
switch (corner) {
case 'tl':
return point2D(opts, opts);
case 'tr':
return point2D(this.width() - opts, opts);
case 'bl':
return point2D(opts, this.height() - opts);
case 'br':
return point2D(this.width() - opts, this.height() - opts);
case 'l':
return point2D(opts, 0);
case 'r':
return point2D(this.width() - opts, 0);
}
},
_c2: function (corner) {
switch (corner) {
case 'tl':
return point2D(this.width() * 2, 0);
case 'tr':
return point2D(-this.width(), 0);
case 'bl':
return point2D(this.width() * 2, this.height());
case 'br':
return point2D(-this.width(), this.height());
case 'l':
return point2D(this.width() * 2, 0);
case 'r':
return point2D(-this.width(), 0);
}
},
_foldingPage: function () {
var data = this.data().f;
if (!data) return;
var opts = data.opts;
if (opts.turn) {
data = opts.turn.data();
if (data.display == 'single') return opts.next > 1 || opts.page > 1 ? data.pageObjs[0] : null;else return data.pageObjs[opts.next];
}
},
_backGradient: function () {
var data = this.data().f,
turnData = data.opts.turn.data(),
gradient = turnData.opts.gradients && (turnData.display == 'single' || data.opts.page != 2 && data.opts.page != turnData.totalPages - 1);
if (gradient && !data.bshadow) data.bshadow = $('<div/>', divAtt(0, 0, 1)).css({
'position': '',
width: this.width(),
height: this.height()
}).appendTo(data.parent);
return gradient;
},
type: function () {
return this.data().f.effect;
},
resize: function (full) {
var data = this.data().f,
turnData = data.opts.turn.data(),
width = this.width(),
height = this.height();
switch (data.effect) {
case 'hard':
if (full) {
data.wrapper.css({
width: width,
height: height
});
data.fpage.css({
width: width,
height: height
});
if (turnData.opts.gradients) {
data.ashadow.css({
width: width,
height: height
});
data.bshadow.css({
width: width,
height: height
});
}
}
break;
case 'sheet':
if (full) {
var size = Math.round(Math.sqrt(Math.pow(width, 2) + Math.pow(height, 2)));
data.wrapper.css({
width: size,
height: size
});
data.fwrapper.css({
width: size,
height: size
}).children(':first-child').css({
width: width,
height: height
});
data.fpage.css({
width: width,
height: height
});
if (turnData.opts.gradients) data.ashadow.css({
width: width,
height: height
});
if (flipMethods._backGradient.call(this)) data.bshadow.css({
width: width,
height: height
});
}
if (data.parent.is(':visible')) {
var offset = findPos(data.parent[0]);
data.fwrapper.css({
top: offset.top,
left: offset.left
});
//if (data.opts.turn) {
offset = findPos(data.opts.turn[0]);
data.fparent.css({
top: -offset.top,
left: -offset.left
});
//}
}
this.flip('z', data.opts['z-index']);
break;
}
},
// Prepares the page by adding a general wrapper and another objects
_addPageWrapper: function () {
var att,
data = this.data().f,
turnData = data.opts.turn.data(),
parent = this.parent();
data.parent = parent;
if (!data.wrapper) switch (data.effect) {
case 'hard':
var cssProperties = {};
cssProperties[vendor + 'transform-style'] = 'preserve-3d';
cssProperties[vendor + 'backface-visibility'] = 'hidden';
data.wrapper = $('<div/>', divAtt(0, 0, 2)).css(cssProperties).appendTo(parent).prepend(this);
data.fpage = $('<div/>', divAtt(0, 0, 1)).css(cssProperties).appendTo(parent);
if (turnData.opts.gradients) {
data.ashadow = $('<div/>', divAtt(0, 0, 0)).hide().appendTo(parent);
data.bshadow = $('<div/>', divAtt(0, 0, 0));
}
break;
case 'sheet':
var width = this.width(),
height = this.height(),
size = Math.round(Math.sqrt(Math.pow(width, 2) + Math.pow(height, 2)));
data.fparent = data.opts.turn.data().fparent;
if (!data.fparent) {
var fparent = $('<div/>', {
css: {
'pointer-events': 'none'
}
}).hide();
fparent.data().flips = 0;
fparent.css(divAtt(0, 0, 'auto', 'visible').css).appendTo(data.opts.turn);
data.opts.turn.data().fparent = fparent;
data.fparent = fparent;
}
this.css({
position: 'absolute',
top: 0,
left: 0,
bottom: 'auto',
right: 'auto'
});
data.wrapper = $('<div/>', divAtt(0, 0, this.css('z-index'))).appendTo(parent).prepend(this);
data.fwrapper = $('<div/>', divAtt(parent.offset().top, parent.offset().left)).hide().appendTo(data.fparent);
data.fpage = $('<div/>', divAtt(0, 0, 0, 'visible')).css({
cursor: 'default'
}).appendTo(data.fwrapper);
if (turnData.opts.gradients) data.ashadow = $('<div/>', divAtt(0, 0, 1)).appendTo(data.fpage);
flipMethods.setData.call(this, data);
break;
}
// Set size
flipMethods.resize.call(this, true);
},
// Takes a 2P point from the screen and applies the transformation
_fold: function (point) {
var data = this.data().f,
turnData = data.opts.turn.data(),
o = flipMethods._c.call(this, point.corner),
width = this.width(),
height = this.height();
switch (data.effect) {
case 'hard':
if (point.corner == 'l') point.x = Math.min(Math.max(point.x, 0), width * 2);else point.x = Math.max(Math.min(point.x, width), -width);
var leftPos,
shadow,
gradientX,
fpageOrigin,
parentOrigin,
totalPages = turnData.totalPages,
zIndex = data.opts['z-index'] || totalPages,
parentCss = {
'overflow': 'visible'
},
relX = o.x ? (o.x - point.x) / width : point.x / width,
angle = relX * 90,
half = angle < 90;
switch (point.corner) {
case 'l':
fpageOrigin = '0% 50%';
parentOrigin = '100% 50%';
if (half) {
leftPos = 0;
shadow = data.opts.next - 1 > 0;
gradientX = 1;
} else {
leftPos = '100%';
shadow = data.opts.page + 1 < totalPages;
gradientX = 0;
}
break;
case 'r':
fpageOrigin = '100% 50%';
parentOrigin = '0% 50%';
angle = -angle;
width = -width;
if (half) {
leftPos = 0;
shadow = data.opts.next + 1 < totalPages;
gradientX = 0;
} else {
leftPos = '-100%';
shadow = data.opts.page != 1;
gradientX = 1;
}
break;
}
parentCss[vendor + 'perspective-origin'] = parentOrigin;
data.wrapper.transform('rotateY(' + angle + 'deg)' + 'translate3d(0px, 0px, ' + (this.attr('depth') || 0) + 'px)', parentOrigin);
data.fpage.transform('translateX(' + width + 'px) rotateY(' + (180 + angle) + 'deg)', fpageOrigin);
data.parent.css(parentCss);
if (half) {
relX = -relX + 1;
data.wrapper.css({
zIndex: zIndex + 1
});
data.fpage.css({
zIndex: zIndex
});
} else {
relX = relX - 1;
data.wrapper.css({
zIndex: zIndex
});
data.fpage.css({
zIndex: zIndex + 1
});
}
if (turnData.opts.gradients) {
if (shadow) data.ashadow.css({
display: '',
left: leftPos,
backgroundColor: 'rgba(0,0,0,' + 0.5 * relX + ')'
}).transform('rotateY(0deg)');else data.ashadow.hide();
data.bshadow.css({
opacity: -relX + 1
});
if (half) {
if (data.bshadow.parent()[0] != data.wrapper[0]) {
data.bshadow.appendTo(data.wrapper);
}
} else {
if (data.bshadow.parent()[0] != data.fpage[0]) {
data.bshadow.appendTo(data.fpage);
}
}
/*data.bshadow.css({
backgroundColor: 'rgba(0,0,0,'+(0.1)+')'
})*/
gradient(data.bshadow, point2D(gradientX * 100, 0), point2D((-gradientX + 1) * 100, 0), [[0, 'rgba(0,0,0,0.3)'], [1, 'rgba(0,0,0,0)']], 2);
}
break;
case 'sheet':
var that = this,
a = 0,
alpha = 0,
beta,
px,
gradientEndPointA,
gradientEndPointB,
gradientStartVal,
gradientSize,
gradientOpacity,
shadowVal,
mv = point2D(0, 0),
df = point2D(0, 0),
tr = point2D(0, 0),
folding = flipMethods._foldingPage.call(this),
tan = Math.tan(alpha),
ac = turnData.opts.acceleration,
h = data.wrapper.height(),
top = point.corner.substr(0, 1) == 't',
left = point.corner.substr(1, 1) == 'l',
compute = function () {
var rel = point2D(0, 0);
var middle = point2D(0, 0);
rel.x = o.x ? o.x - point.x : point.x;
if (!hasRot) {
rel.y = 0;
} else {
rel.y = o.y ? o.y - point.y : point.y;
}
middle.x = left ? width - rel.x / 2 : point.x + rel.x / 2;
middle.y = rel.y / 2;
var alpha = A90 - Math.atan2(rel.y, rel.x),
gamma = alpha - Math.atan2(middle.y, middle.x),
distance = Math.max(0, Math.sin(gamma) * Math.sqrt(Math.pow(middle.x, 2) + Math.pow(middle.y, 2)));
a = deg(alpha);
tr = point2D(distance * Math.sin(alpha), distance * Math.cos(alpha));
if (alpha > A90) {
tr.x = tr.x + Math.abs(tr.y * rel.y / rel.x);
tr.y = 0;
if (Math.round(tr.x * Math.tan(PI - alpha)) < height) {
point.y = Math.sqrt(Math.pow(height, 2) + 2 * middle.x * rel.x);
if (top) point.y = height - point.y;
return compute();
}
}
if (alpha > A90) {
var beta = PI - alpha,
dd = h - height / Math.sin(beta);
mv = point2D(Math.round(dd * Math.cos(beta)), Math.round(dd * Math.sin(beta)));
if (left) mv.x = -mv.x;
if (top) mv.y = -mv.y;
}
px = Math.round(tr.y / Math.tan(alpha) + tr.x);
var side = width - px,
sideX = side * Math.cos(alpha * 2),
sideY = side * Math.sin(alpha * 2);
df = point2D(Math.round(left ? side - sideX : px + sideX), Math.round(top ? sideY : height - sideY));
// Gradients
if (turnData.opts.gradients) {
gradientSize = side * Math.sin(alpha);
var endingPoint = flipMethods._c2.call(that, point.corner),
far = Math.sqrt(Math.pow(endingPoint.x - point.x, 2) + Math.pow(endingPoint.y - point.y, 2)) / width;
shadowVal = Math.sin(A90 * (far > 1 ? 2 - far : far));
gradientOpacity = Math.min(far, 1);
gradientStartVal = gradientSize > 100 ? (gradientSize - 100) / gradientSize : 0;
gradientEndPointA = point2D(gradientSize * Math.sin(alpha) / width * 100, gradientSize * Math.cos(alpha) / height * 100);
if (flipMethods._backGradient.call(that)) {
gradientEndPointB = point2D(gradientSize * 1.2 * Math.sin(alpha) / width * 100, gradientSize * 1.2 * Math.cos(alpha) / height * 100);
if (!left) gradientEndPointB.x = 100 - gradientEndPointB.x;
if (!top) gradientEndPointB.y = 100 - gradientEndPointB.y;
}
}
tr.x = Math.round(tr.x);
tr.y = Math.round(tr.y);
return true;
},
transform = function (tr, c, x, a) {
var f = ['0', 'auto'],
mvW = (width - h) * x[0] / 100,
mvH = (height - h) * x[1] / 100,
cssA = {
left: f[c[0]],
top: f[c[1]],
right: f[c[2]],
bottom: f[c[3]]
},
cssB = {},
aliasingFk = a != 90 && a != -90 ? left ? -1 : 1 : 0,
origin = x[0] + '% ' + x[1] + '%';
that.css(cssA).transform(rotate(a) + translate(tr.x + aliasingFk, tr.y, ac), origin);
data.fpage.css(cssA).transform(rotate(a) + translate(tr.x + df.x - mv.x - width * x[0] / 100, tr.y + df.y - mv.y - height * x[1] / 100, ac) + rotate((180 / a - 2) * a), origin);
data.wrapper.transform(translate(-tr.x + mvW - aliasingFk, -tr.y + mvH, ac) + rotate(-a), origin);
data.fwrapper.transform(translate(-tr.x + mv.x + mvW, -tr.y + mv.y + mvH, ac) + rotate(-a), origin);
if (turnData.opts.gradients) {
if (x[0]) gradientEndPointA.x = 100 - gradientEndPointA.x;
if (x[1]) gradientEndPointA.y = 100 - gradientEndPointA.y;
cssB['box-shadow'] = '0 0 20px rgba(0,0,0,' + 0.5 * shadowVal + ')';
folding.css(cssB);
gradient(data.ashadow, point2D(left ? 100 : 0, top ? 0 : 100), point2D(gradientEndPointA.x, gradientEndPointA.y), [[gradientStartVal, 'rgba(0,0,0,0)'], [(1 - gradientStartVal) * 0.8 + gradientStartVal, 'rgba(0,0,0,' + 0.2 * gradientOpacity + ')'], [1, 'rgba(255,255,255,' + 0.2 * gradientOpacity + ')']], 3, alpha);
if (flipMethods._backGradient.call(that)) gradient(data.bshadow, point2D(left ? 0 : 100, top ? 0 : 100), point2D(gradientEndPointB.x, gradientEndPointB.y), [[0.6, 'rgba(0,0,0,0)'], [0.8, 'rgba(0,0,0,' + 0.3 * gradientOpacity + ')'], [1, 'rgba(0,0,0,0)']], 3);
}
};
switch (point.corner) {
case 'l':
break;
case 'r':
break;
case 'tl':
point.x = Math.max(point.x, 1);
compute();
transform(tr, [1, 0, 0, 1], [100, 0], a);
break;
case 'tr':
point.x = Math.min(point.x, width - 1);
compute();
transform(point2D(-tr.x, tr.y), [0, 0, 0, 1], [0, 0], -a);
break;
case 'bl':
point.x = Math.max(point.x, 1);
compute();
transform(point2D(tr.x, -tr.y), [1, 1, 0, 0], [100, 100], -a);
break;
case 'br':
point.x = Math.min(point.x, width - 1);
compute();
transform(point2D(-tr.x, -tr.y), [0, 1, 1, 0], [0, 100], a);
break;
}
break;
}
data.point = point;
},
_moveFoldingPage: function (move) {
var data = this.data().f;
if (!data) return;
var turn = data.opts.turn,
turnData = turn.data(),
place = turnData.pagePlace;
if (move) {
var nextPage = data.opts.next;
if (place[nextPage] != data.opts.page) {
if (data.folding) flipMethods._moveFoldingPage.call(this, false);
var folding = flipMethods._foldingPage.call(this);
folding.appendTo(data.fpage);
place[nextPage] = data.opts.page;
data.folding = nextPage;
}
turn.turn('update');
} else {
if (data.folding) {
if (turnData.pages[data.folding]) {
// If we have flip available
var flipData = turnData.pages[data.folding].data().f;
turnData.pageObjs[data.folding].appendTo(flipData.wrapper);
} else if (turnData.pageWrap[data.folding]) {
// If we have the pageWrapper
turnData.pageObjs[data.folding].appendTo(turnData.pageWrap[data.folding]);
}
if (data.folding in place) {
place[data.folding] = data.folding;
}
delete data.folding;
}
}
},
_showFoldedPage: function (c, animate) {
var folding = flipMethods._foldingPage.call(this),
dd = this.data(),
data = dd.f,
visible = data.visible;
if (folding) {
if (!visible || !data.point || data.point.corner != c.corner) {
var corner = data.status == 'hover' || data.status == 'peel' || data.opts.turn.data().mouseAction ? c.corner : null;
visible = false;
if (trigger('start', this, [data.opts, corner]) == 'prevented') return false;
}
if (animate) {
var that = this,
point = data.point && data.point.corner == c.corner ? data.point : flipMethods._c.call(this, c.corner, 1);
this.animatef({
from: [point.x, point.y],
to: [c.x, c.y],
duration: 500,
frame: function (v) {
c.x = Math.round(v[0]);
c.y = Math.round(v[1]);
flipMethods._fold.call(that, c);
}
});
} else {
flipMethods._fold.call(this, c);
if (dd.effect && !dd.effect.turning) this.animatef(false);
}
if (!visible) {
switch (data.effect) {
case 'hard':
data.visible = true;
flipMethods._moveFoldingPage.call(this, true);
data.fpage.show();
if (data.opts.shadows) data.bshadow.show();
break;
case 'sheet':
data.visible = true;
data.fparent.show().data().flips++;
flipMethods._moveFoldingPage.call(this, true);
data.fwrapper.show();
if (data.bshadow) data.bshadow.show();
break;
}
}
return true;
}
return false;
},
hide: function () {
var data = this.data().f,
turnData = data.opts.turn.data(),
folding = flipMethods._foldingPage.call(this);
switch (data.effect) {
case 'hard':
if (turnData.opts.gradients) {
data.bshadowLoc = 0;
data.bshadow.remove();
data.ashadow.hide();
}
data.wrapper.transform('');
data.fpage.hide();
break;
case 'sheet':
if (--data.fparent.data().flips === 0) data.fparent.hide();
this.css({
left: 0,
top: 0,
right: 'auto',
bottom: 'auto'
}).transform('');
data.wrapper.transform('');
data.fwrapper.hide();
if (data.bshadow) data.bshadow.hide();
folding.transform('');
break;
}
data.visible = false;
return this;
},
hideFoldedPage: function (animate) {
var data = this.data().f;
if (!data.point) return;
var that = this,
p1 = data.point,
hide = function () {
data.point = null;
data.status = '';
that.flip('hide');
that.trigger('end', [data.opts, false]);
};
if (animate) {
var p4 = flipMethods._c.call(this, p1.corner),
top = p1.corner.substr(0, 1) == 't',
delta = top ? Math.min(0, p1.y - p4.y) / 2 : Math.max(0, p1.y - p4.y) / 2,
p2 = point2D(p1.x, p1.y + delta),
p3 = point2D(p4.x, p4.y - delta);
this.animatef({
from: 0,
to: 1,
frame: function (v) {
var np = bezier(p1, p2, p3, p4, v);
p1.x = np.x;
p1.y = np.y;
flipMethods._fold.call(that, p1);
},
complete: hide,
duration: 800,
hiding: true
});
} else {
this.animatef(false);
hide();
}
},
turnPage: function (corner) {
var that = this,
data = this.data().f,
turnData = data.opts.turn.data();
corner = {
corner: data.corner ? data.corner.corner : corner || flipMethods._cAllowed.call(this)[0]
};
var p1 = data.point || flipMethods._c.call(this, corner.corner, data.opts.turn ? turnData.opts.elevation : 0),
p4 = flipMethods._c2.call(this, corner.corner);
this.trigger('flip').animatef({
from: 0,
to: 1,
frame: function (v) {
var np = bezier(p1, p1, p4, p4, v);
corner.x = np.x;
corner.y = np.y;
flipMethods._showFoldedPage.call(that, corner);
},
complete: function () {
that.trigger('end', [data.opts, true]);
},
duration: turnData.opts.duration,
turning: true
});
data.corner = null;
},
moving: function () {
return 'effect' in this.data();
},
isTurning: function () {
return this.flip('moving') && this.data().effect.turning;
},
corner: function () {
return this.data().f.corner;
},
_eventStart: function (e) {
var data = this.data().f,
turn = data.opts.turn;
if (!data.corner && !data.disabled && !this.flip('isTurning') && data.opts.page == turn.data().pagePlace[data.opts.page]) {
data.corner = flipMethods._isIArea.call(this, e);
if (data.corner && flipMethods._foldingPage.call(this)) {
this.trigger('pressed', [data.point]);
flipMethods._showFoldedPage.call(this, data.corner);
return false;
} else data.corner = null;
}
},
_eventMove: function (e) {
var data = this.data().f;
if (!data.disabled) {
e = isTouch ? e.originalEvent.touches : [e];
if (data.corner) {
var pos = data.parent.offset();
data.corner.x = e[0].pageX - pos.left;
data.corner.y = e[0].pageY - pos.top;
flipMethods._showFoldedPage.call(this, data.corner);
} else if (data.hover && !this.data().effect && this.is(':visible')) {
var point = flipMethods._isIArea.call(this, e[0]);
if (point) {
if (data.effect == 'sheet' && point.corner.length == 2 || data.effect == 'hard') {
data.status = 'hover';
var origin = flipMethods._c.call(this, point.corner, data.opts.cornerSize / 2);
point.x = origin.x;
point.y = origin.y;
flipMethods._showFoldedPage.call(this, point, true);
}
} else {
if (data.status == 'hover') {
data.status = '';
flipMethods.hideFoldedPage.call(this, true);
}
}
}
}
},
_eventEnd: function () {
var data = this.data().f,
corner = data.corner;
if (!data.disabled && corner) {
if (trigger('released', this, [data.point || corner]) != 'prevented') {
flipMethods.hideFoldedPage.call(this, true);
}
}
data.corner = null;
},
disable: function (disable) {
flipMethods.setData.call(this, {
'disabled': disable
});
return this;
},
hover: function (hover) {
flipMethods.setData.call(this, {
'hover': hover
});
return this;
},
peel: function (corner, animate) {
var data = this.data().f;
if (corner) {
if ($.inArray(corner, corners.all) == -1) throw turnError('Corner ' + corner + ' is not permitted');
if ($.inArray(corner, flipMethods._cAllowed.call(this)) != -1) {
var point = flipMethods._c.call(this, corner, data.opts.cornerSize / 2);
data.status = 'peel';
flipMethods._showFoldedPage.call(this, {
corner: corner,
x: point.x,
y: point.y
}, animate);
}
} else {
data.status = '';
flipMethods.hideFoldedPage.call(this, animate);
}
return this;
}
};
// Processes classes
function dec(that, methods, args) {
if (!args[0] || typeof args[0] == 'object') return methods.init.apply(that, args);else if (methods[args[0]]) return methods[args[0]].apply(that, Array.prototype.slice.call(args, 1));else throw turnError(args[0] + ' is not a method or property');
}
// Attributes for a layer
function divAtt(top, left, zIndex, overf) {
return {
'css': {
position: 'absolute',
top: top,
left: left,
'overflow': overf || 'hidden',
zIndex: zIndex || 'auto'
}
};
}
// Gets a 2D point from a bezier curve of four points
function bezier(p1, p2, p3, p4, t) {
var a = 1 - t,
b = a * a * a,
c = t * t * t;
return point2D(Math.round(b * p1.x + 3 * t * a * a * p2.x + 3 * t * t * a * p3.x + c * p4.x), Math.round(b * p1.y + 3 * t * a * a * p2.y + 3 * t * t * a * p3.y + c * p4.y));
}
// Converts an angle from degrees to radians
function rad(degrees) {
return degrees / 180 * PI;
}
// Converts an angle from radians to degrees
function deg(radians) {
return radians / PI * 180;
}
// Gets a 2D point
function point2D(x, y) {
return {
x: x,
y: y
};
}
// Webkit 534.3 on Android wrongly repaints elements that use overflow:hidden + rotation
function rotationAvailable() {
var parts;
if (parts = /AppleWebkit\/([0-9\.]+)/i.exec(navigator.userAgent)) {
var webkitVersion = parseFloat(parts[1]);
return webkitVersion > 534.3;
} else {
return true;
}
}
// Returns the traslate value
function translate(x, y, use3d) {
return has3d && use3d ? ' translate3d(' + x + 'px,' + y + 'px, 0px) ' : ' translate(' + x + 'px, ' + y + 'px) ';
}
// Returns the rotation value
function rotate(degrees) {
return ' rotate(' + degrees + 'deg) ';
}
// Checks if a property belongs to an object
function has(property, object) {
return Object.prototype.hasOwnProperty.call(object, property);
}
// Gets the CSS3 vendor prefix
function getPrefix() {
var vendorPrefixes = ['Moz', 'Webkit', 'Khtml', 'O', 'ms'],
len = vendorPrefixes.length,
vendor = '';
while (len--) if (vendorPrefixes[len] + 'Transform' in document.body.style) vendor = '-' + vendorPrefixes[len].toLowerCase() + '-';
return vendor;
}
// Detects the transitionEnd Event
function getTransitionEnd() {
var t,
el = document.createElement('fakeelement'),
transitions = {
'transition': 'transitionend',
'OTransition': 'oTransitionEnd',
'MSTransition': 'transitionend',
'MozTransition': 'transitionend',
'WebkitTransition': 'webkitTransitionEnd'
};
for (t in transitions) {
if (el.style[t] !== undefined) {
return transitions[t];
}
}
}
// Gradients
function gradient(obj, p0, p1, colors, numColors) {
var j,
cols = [];
if (vendor == '-webkit-') {
for (j = 0; j < numColors; j++) cols.push('color-stop(' + colors[j][0] + ', ' + colors[j][1] + ')');
obj.css({
'background-image': '-webkit-gradient(linear, ' + p0.x + '% ' + p0.y + '%,' + p1.x + '% ' + p1.y + '%, ' + cols.join(',') + ' )'
});
} else {
p0 = {
x: p0.x / 100 * obj.width(),
y: p0.y / 100 * obj.height()
};
p1 = {
x: p1.x / 100 * obj.width(),
y: p1.y / 100 * obj.height()
};
var dx = p1.x - p0.x,
dy = p1.y - p0.y,
angle = Math.atan2(dy, dx),
angle2 = angle - Math.PI / 2,
diagonal = Math.abs(obj.width() * Math.sin(angle2)) + Math.abs(obj.height() * Math.cos(angle2)),
gradientDiagonal = Math.sqrt(dy * dy + dx * dx),
corner = point2D(p1.x < p0.x ? obj.width() : 0, p1.y < p0.y ? obj.height() : 0),
slope = Math.tan(angle),
inverse = -1 / slope,
x = (inverse * corner.x - corner.y - slope * p0.x + p0.y) / (inverse - slope),
c = {
x: x,
y: inverse * x - inverse * corner.x + corner.y
},
segA = Math.sqrt(Math.pow(c.x - p0.x, 2) + Math.pow(c.y - p0.y, 2));
for (j = 0; j < numColors; j++) cols.push(' ' + colors[j][1] + ' ' + (segA + gradientDiagonal * colors[j][0]) * 100 / diagonal + '%');
obj.css({
'background-image': vendor + 'linear-gradient(' + -angle + 'rad,' + cols.join(',') + ')'
});
}
}
// Triggers an event
function trigger(eventName, context, args) {
var event = $.Event(eventName);
context.trigger(event, args);
if (event.isDefaultPrevented()) return 'prevented';else if (event.isPropagationStopped()) return 'stopped';else return '';
}
// JS Errors
function turnError(message) {
function TurnJsError(message) {
this.name = "TurnJsError";
this.message = message;
}
TurnJsError.prototype = new Error();
TurnJsError.prototype.constructor = TurnJsError;
return new TurnJsError(message);
}
// Find the offset of an element ignoring its transformation
function findPos(obj) {
var offset = {
top: 0,
left: 0
};
do {
offset.left += obj.offsetLeft;
offset.top += obj.offsetTop;
} while (obj = obj.offsetParent);
return offset;
}
// Checks if there's hard page compatibility
// IE9 is the only browser that does not support hard pages
function hasHardPage() {
return navigator.userAgent.indexOf('MSIE 9.0') == -1;
}
// Request an animation
window.requestAnim = function () {
return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) {
window.setTimeout(callback, 1000 / 60);
};
}();
// Extend $.fn
$.extend($.fn, {
flip: function () {
return dec($(this[0]), flipMethods, arguments);
},
turn: function () {
return dec($(this[0]), turnMethods, arguments);
},
transform: function (transform, origin) {
var properties = {};
if (origin) properties[vendor + 'transform-origin'] = origin;
properties[vendor + 'transform'] = transform;
return this.css(properties);
},
animatef: function (point) {
var data = this.data();
if (data.effect) data.effect.stop();
if (point) {
if (!point.to.length) point.to = [point.to];
if (!point.from.length) point.from = [point.from];
var diff = [],
len = point.to.length,
animating = true,
that = this,
time = new Date().getTime(),
frame = function () {
if (!data.effect || !animating) return;
var v = [],
timeDiff = Math.min(point.duration, new Date().getTime() - time);
for (var i = 0; i < len; i++) v.push(data.effect.easing(1, timeDiff, point.from[i], diff[i], point.duration));
point.frame(len == 1 ? v[0] : v);
if (timeDiff == point.duration) {
delete data['effect'];
that.data(data);
if (point.complete) point.complete();
} else {
window.requestAnim(frame);
}
};
for (var i = 0; i < len; i++) diff.push(point.to[i] - point.from[i]);
data.effect = $.extend({
stop: function () {
animating = false;
},
easing: function (x, t, b, c, data) {
return c * Math.sqrt(1 - (t = t / data - 1) * t) + b;
}
}, point);
this.data(data);
frame();
} else {
delete data['effect'];
}
}
});
// Export some globals
$.isTouch = isTouch;
$.mouseEvents = mouseEvents;
$.cssPrefix = getPrefix;
$.cssTransitionEnd = getTransitionEnd;
$.findPos = findPos;
})(jQuery);