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Updated Expands and Layout methods
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Fred Chasen
parent
6b25126f00
commit
b88aab25d9
14 changed files with 1116 additions and 766 deletions
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@ -1,76 +1,8 @@
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EPUBJS.Layout = EPUBJS.Layout || {};
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EPUBJS.Layout.Reflowable = function(view){
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// this.documentElement = null;
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this.view = view;
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this.spreadWidth = null;
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};
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EPUBJS.Layout.Reflowable = function(_width, _height, _gap, _devisor){
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EPUBJS.Layout.Reflowable.prototype.format = function(documentElement, _width, _height, _gap){
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// Get the prefixed CSS commands
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var columnAxis = EPUBJS.core.prefixed('columnAxis');
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var columnGap = EPUBJS.core.prefixed('columnGap');
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var columnWidth = EPUBJS.core.prefixed('columnWidth');
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var columnFill = EPUBJS.core.prefixed('columnFill');
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//-- Check the width and create even width columns
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var width = Math.floor(_width);
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// var width = (fullWidth % 2 === 0) ? fullWidth : fullWidth - 0; // Not needed for single
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var section = Math.floor(width / 8);
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var gap = (_gap >= 0) ? _gap : ((section % 2 === 0) ? section : section - 1);
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this.documentElement = documentElement;
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//-- Single Page
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this.spreadWidth = (width + gap);
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documentElement.style.overflow = "hidden";
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// Must be set to the new calculated width or the columns will be off
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documentElement.style.width = width + "px";
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//-- Adjust height
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documentElement.style.height = _height + "px";
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//-- Add columns
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documentElement.style[columnAxis] = "horizontal";
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documentElement.style[columnFill] = "auto";
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documentElement.style[columnWidth] = width+"px";
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documentElement.style[columnGap] = gap+"px";
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this.colWidth = width;
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this.gap = gap;
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return {
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pageWidth : this.spreadWidth,
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pageHeight : _height
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};
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};
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EPUBJS.Layout.Reflowable.prototype.calculatePages = function() {
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var totalWidth, displayedPages;
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this.documentElement.style.width = "auto"; //-- reset width for calculations
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totalWidth = this.documentElement.scrollWidth;
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displayedPages = Math.ceil(totalWidth / this.spreadWidth);
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return {
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displayedPages : displayedPages,
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pageCount : displayedPages
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};
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};
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EPUBJS.Layout.ReflowableSpreads = function(view){
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this.view = view;
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this.documentElement = view.document.documentElement;
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this.spreadWidth = null;
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};
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EPUBJS.Layout.ReflowableSpreads.prototype.format = function(_width, _height, _gap){
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var columnAxis = EPUBJS.core.prefixed('columnAxis');
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var columnGap = EPUBJS.core.prefixed('columnGap');
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var columnWidth = EPUBJS.core.prefixed('columnWidth');
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var columnFill = EPUBJS.core.prefixed('columnFill');
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var divisor = 2,
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cutoff = 800;
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var divisor = _devisor || 1;
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//-- Check the width and create even width columns
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var fullWidth = Math.floor(_width);
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@ -79,70 +11,86 @@ EPUBJS.Layout.ReflowableSpreads.prototype.format = function(_width, _height, _ga
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var section = Math.floor(width / 8);
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var gap = (_gap >= 0) ? _gap : ((section % 2 === 0) ? section : section - 1);
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var colWidth;
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var spreadWidth;
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//-- Double Page
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var colWidth = Math.floor((width - gap) / divisor);
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if(divisor > 1) {
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colWidth = Math.floor((width - gap) / divisor);
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} else {
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colWidth = width;
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}
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this.spreadWidth = (colWidth + gap) * divisor;
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spreadWidth = (colWidth + gap) * divisor;
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this.view.document.documentElement.style.overflow = "hidden";
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this.columnAxis = EPUBJS.core.prefixed('columnAxis');
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this.columnGap = EPUBJS.core.prefixed('columnGap');
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this.columnWidth = EPUBJS.core.prefixed('columnWidth');
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this.columnFill = EPUBJS.core.prefixed('columnFill');
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this.width = width;
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this.height = _height;
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this.spread = spreadWidth;
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this.column = colWidth;
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this.gap = gap;
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this.divisor = divisor;
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return this;
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};
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EPUBJS.Layout.Reflowable.prototype.format = function(view){
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var $doc = view.document.documentElement;
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var $body = view.document.body;//view.document.querySelector("body");
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$doc.style.overflow = "hidden";
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// Must be set to the new calculated width or the columns will be off
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this.view.document.body.style.width = width + "px";
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$body.style.width = this.width + "px";
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//-- Adjust height
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this.view.document.body.style.height = _height + "px";
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$body.style.height = this.height + "px";
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//-- Add columns
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this.view.document.body.style[columnAxis] = "horizontal";
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this.view.document.body.style[columnFill] = "auto";
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this.view.document.body.style[columnGap] = gap+"px";
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this.view.document.body.style[columnWidth] = colWidth+"px";
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$body.style[this.columnAxis] = "horizontal";
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$body.style[this.columnFill] = "auto";
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$body.style[this.columnGap] = this.gap+"px";
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$body.style[this.columnWidth] = this.column+"px";
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this.colWidth = colWidth;
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this.gap = gap;
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// Add extra padding for the gap between this and the next view
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view.iframe.style.marginRight = this.gap+"px";
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// this.view.document.body.style.paddingRight = gap + "px";
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// view.iframe.style.width = this.spreadWidth+"px";
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// this.view.element.style.paddingRight = gap+"px";
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// view.iframe.style.paddingLeft = gap+"px";
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};
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EPUBJS.Layout.Reflowable.prototype.count = function(view) {
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var totalWidth = view.documentElement.scrollWidth;
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var spreads = Math.ceil(totalWidth / this.spreadWidth);
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return {
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pageWidth : this.spreadWidth,
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pageHeight : _height
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spreads : spreads,
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pages : spreads * this.divisor
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};
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};
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EPUBJS.Layout.ReflowableSpreads.prototype.calculatePages = function(view) {
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var totalWidth = this.documentElement.scrollWidth;
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var displayedPages = Math.ceil(totalWidth / this.spreadWidth);
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EPUBJS.Layout.Fixed = function(_width, _height){
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//-- Add a page to the width of the document to account an for odd number of pages
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// this.documentElement.style.width = totalWidth + this.spreadWidth + "px";
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return {
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displayedPages : displayedPages,
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pageCount : displayedPages * 2
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};
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};
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EPUBJS.Layout.Fixed = function(){
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this.documentElement = null;
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};
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EPUBJS.Layout.Fixed = function(documentElement, _width, _height, _gap){
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var columnWidth = EPUBJS.core.prefixed('columnWidth');
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var viewport = documentElement.querySelector("[name=viewport");
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var content;
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var contents;
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EPUBJS.Layout.Fixed.prototype.format = function(view){
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var width, height;
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this.documentElement = documentElement;
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var $doc = view.document.documentElement;
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var $viewport = documentElement.querySelector("[name=viewport");
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/**
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* check for the viewport size
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* <meta name="viewport" content="width=1024,height=697" />
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*/
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if(viewport && viewport.hasAttribute("content")) {
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content = viewport.getAttribute("content");
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if($viewport && $viewport.hasAttribute("content")) {
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content = $viewport.getAttribute("content");
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contents = content.split(',');
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if(contents[0]){
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width = contents[0].replace("width=", '');
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@ -153,28 +101,38 @@ EPUBJS.Layout.Fixed = function(documentElement, _width, _height, _gap){
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}
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//-- Adjust width and height
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documentElement.style.width = width + "px" || "auto";
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documentElement.style.height = height + "px" || "auto";
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//-- Remove columns
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documentElement.style[columnWidth] = "auto";
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// $doc.style.width = width + "px" || "auto";
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// $doc.style.height = height + "px" || "auto";
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view.resize(width, height);
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//-- Scroll
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documentElement.style.overflow = "auto";
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this.colWidth = width;
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this.gap = 0;
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return {
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pageWidth : width,
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pageHeight : height
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};
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$doc.style.overflow = "auto";
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};
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EPUBJS.Layout.Fixed.prototype.calculatePages = function(){
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EPUBJS.Layout.Fixed.prototype.count = function(){
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return {
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displayedPages : 1,
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pageCount : 1
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spreads : 1,
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pages : 1
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};
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};
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EPUBJS.Layout.Scroll = function(){
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};
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EPUBJS.Layout.Scroll.prototype.format = function(view){
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var $doc = view.document.documentElement;
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$doc.style.width = "auto";
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$doc.style.height = "auto";
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};
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EPUBJS.Layout.Scroll.prototype.count = function(){
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return {
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spreads : 1,
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pages : 1
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};
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};
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