/**
* turn.js 4th release HTML4 version
* turnjs.com
* turnjs.com/license.txt
*
* Copyright (C) 2012 Emmanuel Garcia
* All rights reserved
**/
(function($) {
'use strict';
var has3d,
vendor = '',
version = '4.1.0',
isTouch = false,
mouseEvents =
{
down: 'mousedown',
move: 'mousemove',
up: 'mouseup',
over: 'mouseover',
out: 'mouseout'
},
corners = {
backward: ['l'],
forward: ['r'],
all: ['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,
// Events
when: null
},
flipOptions = {
// Enables hardware acceleration
acceleration: true,
// Corners
// backward: Activates both tl and bl corners
// forward: Activates both tr and br corners
// all: Activates all the corners
corners: 'forward',
// Size of the active zone of each corner
cornerSize: 100,
// Duration of transition in milliseconds
duration: 600,
// Enables gradients
gradients: true
},
// Number of pages in the DOM, minimum value: 6
pagesInDOM = 6,
turnMethods = {
// Singleton constructor
// $('#selector').turn([options]);
init: function(opts) {
if (this.length>1)
throw turnError('This selector has more than 1 element');
// Define constants
vendor = getPrefix();
var i, pageNum = 0, data = this.data(), ch = this.children();
// Set initial configuration
opts = $.extend({
width: this.width(),
height: this.height(),
direction: this.attr('dir') || this.css('direction') || 'ltr'
}, turnOptions, opts);
data.opts = opts;
data.pageObjs = {};
data.pages = {};
data.pageWrap = {};
data.pagePlace = {};
data.pageMv = [];
data.zoom = 1;
data.totalPages = opts.pages || 0;
data.docEvents = {
mouseStart: function(e) {
for (var page in data.pages)
if (has(page, data.pages) &&
flipMethods._eventStart.call(data.pages[page], e)===false)
return false;
},
mouseMove: function(e) {
for (var page in data.pages)
if (has(page, data.pages))
flipMethods._eventMove.call(data.pages[page], e);
},
mouseEnd: function(e) {
for (var page in data.pages)
if (has(page, data.pages))
flipMethods._eventEnd.call(data.pages[page], e);
}
};
// Add event listeners
if (opts.when)
for (i in opts.when)
if (has(i, opts.when))
this.bind(i, opts.when[i]);
// Set the css
this.css({position: 'relative', width: opts.width, height: opts.height});
// Set the initial display
this.turn('display', opts.display);
// Set the direction
if (opts.direction!=='')
this.turn('direction', opts.direction);
// Add pages from the DOM
for (i = 0; i<ch.length; i++) {
if ($(ch[i]).attr('ignore')!='1') {
this.turn('addPage', ch[i], ++pageNum);
}
}
// Event listeners
$(this).bind(mouseEvents.down, data.docEvents.mouseStart).
bind('start', turnMethods._start).
bind('end', turnMethods._end).
bind('pressed', turnMethods._pressed).
bind('released', turnMethods._released).
bind('flip', turnMethods._flip);
$(document).bind(mouseEvents.move, data.docEvents.mouseMove).
bind(mouseEvents.up, data.docEvents.mouseEnd);
// Set the initial page
this.turn('page', opts.page);
data.done = true;
return this;
},
// Adds a page from external data
addPage: function(element, page) {
var currentPage,
className,
incPages = false,
data = this.data(),
lastPage = data.totalPages+1;
if (data.destroying)
return false;
// Read the page number from the className of `element` - format: p[0-9]+
if ((currentPage = /\bp([0-9]+)\b/.exec($(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);
// Add page
turnMethods._addPage.call(this, page);
// Update view
if (data.done)
this.turn('update');
// 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]) {
var prop = turnMethods._pageSize.call(this, page, true);
element.css({width: prop.width, height: prop.height});
// Place
data.pagePlace[page] = page;
// Wrapper
data.pageWrap[page] = $('<div/>',
{'class': 'turn-page-wrapper',
page: page,
css: {position: 'absolute',
overflow: 'hidden'}}).
css(prop);
// Append to this
this.append(data.pageWrap[page]);
// Move element to wrapper
data.pageWrap[page].prepend(data.pageObjs[page]);
}
// If the page is in the current view, create the flip effect
if (!page || turnMethods._setPageLoc.call(this, page)==1)
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 = size.width/(data.zoom*2) -size.width/2;
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,
data = this.data();
data.destroying = true;
$(this).unbind(mouseEvents.down)
.unbind('end')
.unbind('first')
.unbind('flip')
.unbind('last')
.unbind('pressed')
.unbind('released')
.unbind('start')
.unbind('turning')
.unbind('turned')
.unbind('zooming');
$(document).unbind(mouseEvents.move, data.docEvents.mouseMove).
unbind(mouseEvents.up, data.docEvents.mouseEnd);
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');
var event = $.Event('zooming');
this.trigger(event, [newZoom, data.zoom]);
if (event.isDefaultPrevented())
return this;
var size = $(this).turn('size'),
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);
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 corner,
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,
duration: data.opts.duration,
acceleration : data.opts.acceleration,
gradients: data.opts.gradients
}).
flip('disable', data.disabled);
}
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 page for range');
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 data = this.data(),
range = this.turn('range');
return 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];
}
delete data.pagePlace[page];
},
// Removes a page
removePage: function(page) {
var data = this.data();
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 behind `page`
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)
this.turn('page', data.totalPages);
else
turnMethods._makeRange.call(this);
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,
corners: (single) ? 'all' :
((odd) ? 'forward' : 'backward')
});
if (change) {
delete data.pages[page];
delete data.pagePlace[page];
delete data.pageObjs[page];
delete data.pageWrap[page];
delete data.pageObjs[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) {
if ($.inArray(display, displays)==-1)
throw turnError('"'+display + '" is not a value for display');
if (display=='single') {
if (!data.pageObjs[0]) {
this.turn('stop').
css({'overflow': 'hidden'});
data.pageObjs[0] = $('<div />',
{'class': 'page p-temporal'}).
css({width: this.width(), height: this.height()}).
appendTo(this);
}
} else {
if (data.pageObjs[0]) {
this.turn('stop').css({'overflow': ''});
data.pageObjs[0].remove();
delete data.pageObjs[0];
}
}
data.display = display;
if (currentDisplay) {
var size = this.turn('size');
turnMethods._movePages.call(this, 1, 0);
this.turn('size', size.width, size.height).
turn('update');
}
return this;
} else
return currentDisplay;
},
// Gets and sets the direction of the flipbook
direction: function(dir) {
var data = this.data();
if (typeof(dir)=='undefined') {
return data.direction;
} else {
dir = dir.toLowerCase();
if ($.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 if the pages are being animated
animating: function() {
return this.data().pageMv.length>0;
},
// Disables and enables the effect
disable: function(bool) {
var page,
data = this.data(),
view = this.turn('view');
data.disabled = bool===undefined || bool===true;
for (page in data.pages)
if (has(page, data.pages))
data.pages[page].flip('disable', (bool) ? $.inArray(page, view) : false);
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 && height) {
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;
} else {
return {width: this.width(), height: this.height()};
}
},
// 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);
},
// 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(),
pages = data.pageMv;
data.pageMv = [];
if (data.tpage) {
data.page = data.tpage;
delete data['tpage'];
}
for (i = 0; i<pages.length; i++) {
page = data.pages[pages[i]];
opts = page.data().f.opts;
page.flip('hideFoldedPage', false);
flipMethods._moveFoldingPage.call(page, false);
data.pagePlace[opts.next] = opts.next;
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 = pages+1; page<=data.totalPages; page++)
this.turn('removePage', page);
if (this.turn('page')>pages)
this.turn('page', pages);
}
data.totalPages = pages;
return this;
} else
return data.totalPages;
},
// Checks missing pages
_missing : function(page) {
var p,
data = this.data(),
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');
turnMethods._removeFromDOM.call(this);
turnMethods._makeRange.call(this);
turnMethods._updateShadow.call(this);
this.trigger('turned', [page, newView]);
if (data.opts.autoCenter)
this.turn('center');
},
// Turns to a page
_turnPage: function(page, fromMouseAction) {
var current, next,
data = this.data(),
place = data.pagePlace[page],
view = this.turn('view'),
newView = this.turn('view', page);
if (data.page!=page) {
var event = $.Event('turning');
this.trigger(event, [page, newView]);
if (event.isDefaultPrevented())
return;
if ($.inArray(1, newView)!=-1)
this.trigger('first');
if ($.inArray(data.totalPages, newView)!=-1)
this.trigger('last');
}
if (fromMouseAction) {
this.turn('stop', place);
} else {
turnMethods._missing.call(this, page);
if (!data.pageObjs[page])
return;
this.turn('stop');
data.page = page;
}
turnMethods._makeRange.call(this);
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];
}
if (data.pages[current]) {
var opts = data.pages[current].data().f.opts;
data.tpage = next;
if (opts.next!=next) {
opts.next = next;
data.pagePlace[next] = opts.page;
opts.force = true;
}
if (data.display=='single') {
if (data.direction=='ltr') {
data.pages[current].flip('turnPage',
(newView[0] > view[0]) ? 'r' : 'l');
} else {
data.pages[current].flip('turnPage',
(newView[0] > view[0]) ? 'l' : 'r');
}
} else {
data.pages[current].flip('turnPage');
}
}
},
// Gets and sets a page
page: function(page) {
page = parseInt(page, 10);
var data = this.data();
if (page>0 && page<=data.totalPages) {
if (!data.done || $.inArray(page, this.turn('view'))!=-1)
turnMethods._fitPage.call(this, page);
else
turnMethods._turnPage.call(this, page);
return this;
} else
return data.page;
},
// Turns to the next view
next: function() {
return this.turn('page',
turnMethods._view.call(this, this.data().page).pop() + 1);
},
// Turns to the previous view
previous: function() {
return this.turn('page',
turnMethods._view.call(this, this.data().page).shift() - 1);
},
peel: function(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);
dd.pagePlace[opts.next] = opts.page;
turn.turn('update');
},
// This event is called in context of flip
_start: function(e, opts, corner) {
var data = opts.turn.data();
if (e.isDefaultPrevented()) {
turnMethods._updateShadow.call(opts.turn);
return;
}
if (data.display=='single' && corner) {
if ((corner=='l' && data.direction=='ltr')
||
(corner=='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
_end: function(e, opts, turned) {
var that = $(e.target),
data = that.data().f,
turn = opts.turn,
dd = turn.data();
if (turned || dd.tpage) {
if (dd.tpage==opts.next || dd.tpage==opts.page) {
delete dd['tpage'];
turnMethods._fitPage.call(turn, dd.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
_pressed: function(e) {
e.stopPropagation();
var page,
data = $(e.target).data().f,
pages = data.opts.turn.data().pages;
for (page in pages)
if (page!=data.opts.page)
pages[page].flip('disable', true);
return data.time = new Date().getTime();
},
// This event is called in context of flip
_released: function(e, point) {
e.stopPropagation();
var outArea,
page = $(e.target),
data = page.data().f,
turn = data.opts.turn,
turnData = turn.data();
if (turnData.display=='single') {
outArea = (point.corner=='r') ?
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,
flipMethods._cornerActivated.call(page, point, 1) === false
);
}
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);
},
// 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],
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<mv.length; 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 + Math.abs(currentPage-dpage);
}
return r;
},
// Updates the z-index and display property of every page
update: function() {
var page,
data = this.data();
if (data.pageMv.length && data.pageMv[0]!==0) {
// Update motion
var p,
fixed,
pos = this.turn('calculateZ', data.pageMv),
view = 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',
'z-index': 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)
p.flip('disable', true); // data.disabled || page!=apage
}
}
} 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('z', null);
}
}
},
// 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');
if (page==view[0] || page==view[1]) {
data.pageWrap[page].css({zIndex: data.totalPages, display: ''});
return 1;
} else if ((data.display=='single' && page==view[0]+1) ||
(data.display=='double' && page==view[0]-2 ||
page==view[1]+2)) {
data.pageWrap[page].css({zIndex: data.totalPages-1, display: ''});
return 2;
} else {
data.pageWrap[page].css({zIndex: 0,
display: (data.pageObjs[page].hasClass('fixed')) ? '' : 'none'}
);
return 0;
}
},
// 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:
{effect: (opts.corners=='r' || opts.corners=='l') ? '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: $.extend({}, data.opts || flipOptions, opts)});
return this;
} else
return data.opts;
},
z: function(z) {
var data = this.data().f;
if (data.fwrapper) {
data.opts['z-index'] = z;
data.fwrapper.css(
{'z-index': z || parseInt(data.parent.css('z-index'), 10) || 0}
);
}
return this;
},
_cAllowed: function() {
var data = this.data().f,
turnData = data.opts.turn.data(),
page = data.opts.page,
odd = page%2;
if (turnData.display=='single') {
if (page==1)
return (turnData.direction=='ltr') ?
corners['forward'] : corners['backward'];
else if (page==turnData.totalPages)
return (turnData.direction=='ltr') ?
corners['backward'] : corners['forward'];
else
return corners['all'];
} else {
return (turnData.direction=='ltr') ?
corners[(odd) ? 'forward' : 'backward']
:
corners[(odd) ? 'backward' : 'forward'];
}
},
_cornerActivated: function(e) {
var data = this.data().f,
pos = data.parent.offset(),
width = this.width(),
height = this.height(),
c = {x: Math.max(0, e.pageX-pos.left), y: Math.max(0, e.pageY-pos.top)},
csz = data.opts.cornerSize;
if (c.x<=0 || c.y<=0 || c.x>=width || c.y>=height)
return false;
var allowedCorners = flipMethods._cAllowed.call(this);
if (c.x>width-csz)
c.corner = 'r';
else if (c.x<csz)
c.corner = 'l';
else
return false;
return ($.inArray(c.corner, allowedCorners)==-1) ? false : c;
},
_c: function(corner, opts) {
opts = opts || 0;
switch (corner) {
case 'l':
return point2D(opts, 0);
case 'r':
return point2D(this.width()-opts, 0);
}
},
_c2: function(corner) {
switch (corner) {
case 'l':
return point2D(this.width()*2, 0);
case 'r':
return point2D(-this.width(), 0);
}
},
_foldingPage: function(corner) {
var data = this.data().f,
opts = data.opts;
if (data.folding) return data.folding;
else if(opts.turn) {
data = opts.turn.data();
if (data.display == 'single')
return (data.pageObjs[opts.next]) ? data.pageObjs[0] : null;
else
return data.pageObjs[opts.next];
}
},
_backGradient: function() {
var data = this.data().f,
turn = data.opts.turn,
gradient = data.opts.gradients &&
(!turn ||
turn.data().display=='single' ||
(data.opts.page!=2 && data.opts.page!=turn.data().totalPages-1));
return gradient;
},
resize: function(full) {
var data = this.data().f,
width = this.width(),
height = this.height();
if (full) {
data.wrapper.css({width: width, height: height});
data.fpage.css({width: width, height: height});
}
},
// Prepares the page by adding a general wrapper and another objects
_addPageWrapper: function() {
var att,
data = this.data().f,
parent = this.parent();
data.parent = parent;
if (!data.wrapper) {
var cssProperties = {};
data.wrapper = $('<div/>', divAtt(0, 0, 2)).
css(cssProperties).
appendTo(parent).
prepend(this);
data.fpage = $('<div/>', divAtt(0, 0, 1)).
css(cssProperties).
appendTo(parent);
}
// 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,
o = flipMethods._c.call(this, point.corner),
relX = (o.x) ? o.x - point.x : point.x,
width = this.width(),
height = this.height();
relX = Math.min(width*2, Math.max(0, relX));
switch(point.corner) {
case 'r' :
data.wrapper.css({
width: Math.max(0, width-relX)
});
this.css({
position: 'relative',
left: -relX
});
data.fpage.css({
left: -relX + width,
width: Math.max(0, relX-width)
});
break;
case 'l' :
data.wrapper.css({
width: width
});
this.css({
position: 'relative',
left: relX
});
data.fpage.css({
left: width,
width: Math.max(0, relX-width)
});
if (data.folding)
data.folding.css({
position: 'relative',
left: -width*2 + relX
});
break;
}
data.parent.css({'overflow': 'visible'});
data.point = point;
},
_moveFoldingPage: function(bool) {
var data = this.data().f;
if (bool) {
var folding = flipMethods._foldingPage.call(this),
turn = data.opts.turn;
if (folding) {
if (data.folding) {
if (data.folding===folding)
return;
flipMethods._moveFoldingPage.call(this, false);
}
flipMethods.setData.call(this,
{backParent: folding.parent(),
folding: folding});
data.fpage.prepend(folding);
}
turn.turn('update');
} else {
if (data.backParent) {
data.backParent.prepend(data.folding);
delete data.backParent;
delete data.folding;
}
}
},
_showFoldedPage: function(c, animate) {
var folding = flipMethods._foldingPage.call(this),
dd = this.data(),
data = dd.f,
visible = data.visible;
if (!visible || !data.point || data.point.corner!=c.corner) {
var mAction = data.opts.turn.data().mouseAction;
var event = $.Event('start');
this.trigger(event, [data.opts, c.corner]);
visible = false;
if (event.isDefaultPrevented())
return false;
}
if (folding) {
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) {
data.visible = true;
flipMethods._moveFoldingPage.call(this, true);
data.fpage.show();
}
return true;
}
return false;
},
hide: function() {
var data = this.data().f,
folding = flipMethods._foldingPage.call(this);
this.css({
position: '',
left: 'auto'
});
data.wrapper.css({
width: this.width()
});
data.fpage.css({
width: this.width()
});
if (data.folding)
data.folding.css({
position: '',
left: 'auto'
});
data.fpage.hide();
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;
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;
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) ? data.opts.turn.data().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: data.opts.duration,
turning: true
});
data.corner = null;
},
moving: function() {
return 'effect' in this.data();
},
isTurning: function() {
return this.flip('moving') && this.data().effect.turning;
},
_eventStart: function(e) {
var data = this.data().f;
if (!data.disabled && !this.flip('isTurning')) {
data.corner = flipMethods._cornerActivated.call(this, e);
if (data.corner && flipMethods._foldingPage.call(this, data.corner)) {
if (flipMethods._showFoldedPage.call(this, data.corner))
this.trigger('pressed', [data.point]);
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 (!this.data().effect && this.is(':visible')) {
var corner = flipMethods._cornerActivated.call(this, e[0]);
if (corner) {
var origin = flipMethods._c.call(this, corner.corner, data.opts.cornerSize/2);
corner.x = origin.x;
corner.y = origin.y;
flipMethods._showFoldedPage.call(this, corner, true);
} else
flipMethods.hideFoldedPage.call(this, true);
}
}
},
_eventEnd: function() {
var data = this.data().f;
if (!data.disabled && data.point) {
var event = $.Event('released');
this.trigger(event, [data.point]);
if (!event.isDefaultPrevented())
flipMethods.hideFoldedPage.call(this, true);
}
data.corner = null;
},
disable: function(disable) {
flipMethods.setData.call(this, {'disabled': disable});
return this;
}
};
// Processes classes
function decorator(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 an invalid value');
}
// Attributes for a layer
function divAtt(top, left, zIndex, overf) {
return {'css': {
position: 'absolute',
top: top,
left: left,
'overflow': overf || 'hidden',
'z-index': 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));
}
// Gets a 2D point
function point2D(x, y) {
return {x: x, y: y};
}
// 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;
}
// 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 discarding 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;
}
// Request an animation
window.requestAnim = function(callback) {
window.setTimeout(callback, 1000 / 60);
}
function emptyFunction() {
return '';
}
// Extend $.fn
$.extend($.fn, {
flip: function(req, opts) {
return decorator(this, flipMethods, arguments);
},
turn: function(req) {
return decorator(this, 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 = emptyFunction;
$.cssTransitionEnd = emptyFunction;
$.findPos = findPos;
})(jQuery);
@KyuuKazami