/*
- Copyright(c)2008 Internet Archive. Software license AGPL version 3.
+ Copyright(c)2008-2009 Internet Archive. Software license AGPL version 3.
This file is part of GnuBook.
this.mode = 1; //1 or 2
this.ui = 'full'; // UI mode
- this.displayedLeafs = [];
- //this.leafsToDisplay = [];
+ this.displayedIndices = [];
+ //this.indicesToDisplay = [];
this.imgs = {};
- this.prefetchedImgs = {}; //an object with numeric keys cooresponding to leafNum
+ this.prefetchedImgs = {}; //an object with numeric keys cooresponding to page index
this.timer = null;
this.animating = false;
startIndex = this.getPageIndex(params.page);
}
- if ('undefined' == typeof(startIndex)) {
- startIndex = this.leafNumToIndex(this.titleLeaf);
+ if ('undefined' == typeof(startIndex)) {
+ if ('undefined' != typeof(this.titleLeaf)) {
+ startIndex = this.leafNumToIndex(this.titleLeaf);
+ }
}
if ('undefined' == typeof(startIndex)) {
//console.log('centering 1page view');
e.data.centerPageView();
$('#GBpageview').empty()
- e.data.displayedLeafs = [];
+ e.data.displayedIndices = [];
e.data.updateSearchHilites(); //deletes hilights but does not call remove()
e.data.loadLeafs();
} else {
} else {
//this.resizePageView();
- this.displayedLeafs=[0];
+ this.displayedIndices=[0];
this.firstIndex = startIndex;
- this.displayedLeafs = [this.firstIndex];
+ this.displayedIndices = [this.firstIndex];
//console.log('titleLeaf: %d', this.titleLeaf);
- //console.log('displayedLeafs: %s', this.displayedLeafs);
+ //console.log('displayedIndices: %s', this.displayedIndices);
this.prepareTwoPageView();
//if (this.auto) this.nextPage();
}
var scrollBottom = scrollTop + $('#GBcontainer').height();
//console.log('top=' + scrollTop + ' bottom='+scrollBottom);
- var leafsToDisplay = [];
+ var indicesToDisplay = [];
var i;
var leafTop = 0;
var bottomInView = (leafBottom >= scrollTop) && (leafBottom <= scrollBottom);
var middleInView = (leafTop <=scrollTop) && (leafBottom>=scrollBottom);
if (topInView | bottomInView | middleInView) {
- //console.log('displayed: ' + this.displayedLeafs);
+ //console.log('displayed: ' + this.displayedIndices);
//console.log('to display: ' + i);
- leafsToDisplay.push(i);
+ indicesToDisplay.push(i);
}
leafTop += height +10;
leafBottom += 10;
}
- var firstLeafToDraw = leafsToDisplay[0];
- this.firstIndex = firstLeafToDraw;
+ var firstIndexToDraw = indicesToDisplay[0];
+ this.firstIndex = firstIndexToDraw;
// Update hash, but only if we're currently displaying a leaf
// Hack that fixes #365790
- if (this.displayedLeafs.length > 0) {
+ if (this.displayedIndices.length > 0) {
this.updateLocationHash();
}
- if ((0 != firstLeafToDraw) && (1 < this.reduce)) {
- firstLeafToDraw--;
- leafsToDisplay.unshift(firstLeafToDraw);
+ if ((0 != firstIndexToDraw) && (1 < this.reduce)) {
+ firstIndexToDraw--;
+ indicesToDisplay.unshift(firstIndexToDraw);
}
- var lastLeafToDraw = leafsToDisplay[leafsToDisplay.length-1];
- if ( ((this.numLeafs-1) != lastLeafToDraw) && (1 < this.reduce) ) {
- leafsToDisplay.push(lastLeafToDraw+1);
+ var lastIndexToDraw = indicesToDisplay[indicesToDisplay.length-1];
+ if ( ((this.numLeafs-1) != lastIndexToDraw) && (1 < this.reduce) ) {
+ indicesToDisplay.push(lastIndexToDraw+1);
}
leafTop = 0;
var i;
- for (i=0; i<firstLeafToDraw; i++) {
+ for (i=0; i<firstIndexToDraw; i++) {
leafTop += parseInt(this.getPageHeight(i)/this.reduce) +10;
}
var viewWidth = $('#GBcontainer').attr('scrollWidth');
- for (i=0; i<leafsToDisplay.length; i++) {
- var leafNum = leafsToDisplay[i];
- var height = parseInt(this.getPageHeight(leafNum)/this.reduce);
+ for (i=0; i<indicesToDisplay.length; i++) {
+ var index = indicesToDisplay[i];
+ var height = parseInt(this.getPageHeight(index)/this.reduce);
- if(-1 == jQuery.inArray(leafsToDisplay[i], this.displayedLeafs)) {
- var width = parseInt(this.getPageWidth(leafNum)/this.reduce);
- //console.log("displaying leaf " + leafsToDisplay[i] + ' leafTop=' +leafTop);
+ if(-1 == jQuery.inArray(indicesToDisplay[i], this.displayedIndices)) {
+ var width = parseInt(this.getPageWidth(index)/this.reduce);
+ //console.log("displaying leaf " + indicesToDisplay[i] + ' leafTop=' +leafTop);
var div = document.createElement("div");
div.className = 'GBpagediv1up';
- div.id = 'pagediv'+leafNum;
+ div.id = 'pagediv'+index;
div.style.position = "absolute";
$(div).css('top', leafTop + 'px');
var left = (viewWidth-width)>>1;
$('#GBpageview').append(div);
var img = document.createElement("img");
- img.src = this.getPageURI(leafNum);
+ img.src = this.getPageURI(index);
$(img).css('width', width+'px');
$(img).css('height', height+'px');
$(div).append(img);
} else {
- //console.log("not displaying " + leafsToDisplay[i] + ' score=' + jQuery.inArray(leafsToDisplay[i], this.displayedLeafs));
+ //console.log("not displaying " + indicesToDisplay[i] + ' score=' + jQuery.inArray(indicesToDisplay[i], this.displayedIndices));
}
leafTop += height +10;
}
- for (i=0; i<this.displayedLeafs.length; i++) {
- if (-1 == jQuery.inArray(this.displayedLeafs[i], leafsToDisplay)) {
- var leafNum = this.displayedLeafs[i];
- //console.log('Removing leaf ' + leafNum);
- //console.log('id='+'#pagediv'+leafNum+ ' top = ' +$('#pagediv'+leafNum).css('top'));
- $('#pagediv'+leafNum).remove();
+ for (i=0; i<this.displayedIndices.length; i++) {
+ if (-1 == jQuery.inArray(this.displayedIndices[i], indicesToDisplay)) {
+ var index = this.displayedIndices[i];
+ //console.log('Removing leaf ' + index);
+ //console.log('id='+'#pagediv'+index+ ' top = ' +$('#pagediv'+index).css('top'));
+ $('#pagediv'+index).remove();
} else {
- //console.log('NOT Removing leaf ' + this.displayedLeafs[i]);
+ //console.log('NOT Removing leaf ' + this.displayedIndices[i]);
}
}
- this.displayedLeafs = leafsToDisplay.slice();
+ this.displayedIndices = indicesToDisplay.slice();
this.updateSearchHilites();
- if (null != this.getPageNum(firstLeafToDraw)) {
+ if (null != this.getPageNum(firstIndexToDraw)) {
$("#GBpagenum").val(this.getPageNum(this.currentIndex()));
} else {
$("#GBpagenum").val('');
var scrollTop = $('#GBcontainer').attr('scrollTop');
var scrollBottom = scrollTop + $('#GBcontainer').height();
- //console.log('drawLeafsTwoPage: this.currrentLeafL ' + this.currentLeafL);
+ //console.log('drawLeafsTwoPage: this.currrentLeafL ' + this.currentIndexL);
- var leafNum = this.currentLeafL;
- var height = this.getPageHeight(leafNum);
- var width = this.getPageWidth(leafNum);
- var handSide= this.getPageSide(leafNum);
+ var index = this.currentIndexL;
+ var height = this.getPageHeight(index);
+ var width = this.getPageWidth(index);
+ var handSide= this.getPageSide(index);
- var leafEdgeWidthL = this.leafEdgeWidth(leafNum);
+ var leafEdgeWidthL = this.leafEdgeWidth(index);
var leafEdgeWidthR = this.twoPageEdgeW - leafEdgeWidthL;
var bookCoverDivWidth = this.twoPageW*2+20 + this.twoPageEdgeW;
var bookCoverDivLeft = ($('#GBcontainer').width() - bookCoverDivWidth) >> 1;
//var right = left+scaledW;
var right = $(this.twoPageDiv).width()-11-$(this.leafEdgeL).width()-scaledW;
- var gutter = middle + this.gutterOffsetForIndex(this.currentLeafL);
+ var gutter = middle + this.gutterOffsetForIndex(this.currentIndexL);
- this.prefetchImg(leafNum);
- $(this.prefetchedImgs[leafNum]).css({
+ this.prefetchImg(index);
+ $(this.prefetchedImgs[index]).css({
position: 'absolute',
/*right: gutter+'px',*/
left: gutter-scaledW+'px',
borderRight: '1px solid black',
zIndex: 2
}).appendTo('#GBcontainer');
- //$('#GBcontainer').append(this.prefetchedImgs[leafNum]);
+ //$('#GBcontainer').append(this.prefetchedImgs[index]);
- var leafNum = this.currentLeafR;
- var height = this.getPageHeight(leafNum);
- var width = this.getPageWidth(leafNum);
+ var index = this.currentIndexR;
+ var height = this.getPageHeight(index);
+ var width = this.getPageWidth(index);
// var left = ($('#GBcontainer').width() >> 1);
left += scaledW;
var scaledW = this.twoPageH*width/height;
- this.prefetchImg(leafNum);
- $(this.prefetchedImgs[leafNum]).css({
+ this.prefetchImg(index);
+ $(this.prefetchedImgs[index]).css({
position: 'absolute',
left: gutter+'px',
right: '',
borderLeft: '1px solid black',
zIndex: 2
}).appendTo('#GBcontainer');
- //$('#GBcontainer').append(this.prefetchedImgs[leafNum]);
+ //$('#GBcontainer').append(this.prefetchedImgs[index]);
- this.displayedLeafs = [this.currentLeafL, this.currentLeafR];
+ this.displayedIndices = [this.currentIndexL, this.currentIndexR];
this.setClickHandlers();
this.updatePageNumBox2UP();
// updatePageNumBox2UP
//______________________________________________________________________________
GnuBook.prototype.updatePageNumBox2UP = function() {
- if (null != this.getPageNum(this.currentLeafL)) {
- $("#GBpagenum").val(this.getPageNum(this.currentLeafL));
+ if (null != this.getPageNum(this.currentIndexL)) {
+ $("#GBpagenum").val(this.getPageNum(this.currentIndexL));
} else {
$("#GBpagenum").val('');
}
this.resizePageView();
$('#GBpageview').empty()
- this.displayedLeafs = [];
+ this.displayedIndices = [];
this.loadLeafs();
$('#GBzoom').text(100/this.reduce);
// By checking against min/max we do nothing if requested index
// is current
- if (index < Math.min(this.currentLeafL, this.currentLeafR)) {
+ if (index < Math.min(this.currentIndexL, this.currentIndexR)) {
this.flipBackToIndex(index);
- } else if (index > Math.max(this.currentLeafL, this.currentLeafR)) {
+ } else if (index > Math.max(this.currentIndexL, this.currentIndexR)) {
this.flipFwdToIndex(index);
}
//______________________________________________________________________________
GnuBook.prototype.prepareOnePageView = function() {
- // var startLeaf = this.displayedLeafs[0];
+ // var startLeaf = this.displayedIndices[0];
var startLeaf = this.currentIndex();
$('#GBcontainer').empty();
this.resizePageView();
this.jumpToIndex(startLeaf);
- this.displayedLeafs = [];
+ this.displayedIndices = [];
this.drawLeafsOnePage();
$('#GBzoom').text(100/this.reduce);
// one side of the spread because it is the first/last leaf,
// foldouts, missing pages, etc
- //var targetLeaf = this.displayedLeafs[0];
+ //var targetLeaf = this.displayedIndices[0];
var targetLeaf = this.firstIndex;
if (targetLeaf < this.firstDisplayableIndex()) {
targetLeaf = this.lastDisplayableIndex();
}
- this.currentLeafL = null;
- this.currentLeafR = null;
+ this.currentIndexL = null;
+ this.currentIndexR = null;
this.pruneUnusedImgs();
var currentSpreadIndices = this.getSpreadIndices(targetLeaf);
- this.currentLeafL = currentSpreadIndices[0];
- this.currentLeafR = currentSpreadIndices[1];
- this.firstIndex = this.currentLeafL;
+ this.currentIndexL = currentSpreadIndices[0];
+ this.currentIndexR = currentSpreadIndices[1];
+ this.firstIndex = this.currentIndexL;
this.calculateSpreadSize(); //sets this.twoPageW, twoPageH, and twoPageRatio
// cover centered and fixed in the GBcontainer div the page images will meet
// at the "gutter" which is generally offset from the center.
var middle = ($('#GBcontainer').width() >> 1); // Middle of the GBcontainer div
- //var gutter = middle+parseInt((2*this.currentLeafL - this.numLeafs)*this.twoPageEdgeW/this.numLeafs/2);
+ //var gutter = middle+parseInt((2*this.currentIndexL - this.numLeafs)*this.twoPageEdgeW/this.numLeafs/2);
- var gutter = middle + this.gutterOffsetForIndex(this.currentLeafL);
+ var gutter = middle + this.gutterOffsetForIndex(this.currentIndexL);
- var scaledWL = this.getPageWidth2UP(this.currentLeafL);
- var scaledWR = this.getPageWidth2UP(this.currentLeafR);
- var leafEdgeWidthL = this.leafEdgeWidth(this.currentLeafL);
+ var scaledWL = this.getPageWidth2UP(this.currentIndexL);
+ var scaledWR = this.getPageWidth2UP(this.currentIndexR);
+ var leafEdgeWidthL = this.leafEdgeWidth(this.currentIndexL);
var leafEdgeWidthR = this.twoPageEdgeW - leafEdgeWidthL;
//console.log('idealWidth='+idealWidth+' idealHeight='+idealHeight);
//$('#GBcontainer').append('<div id="book_div_1" style="border: 1px solid rgb(68, 25, 17); width: ' + bookCoverDivWidth + 'px; height: '+bookCoverDivHeight+'px; visibility: visible; position: absolute; background-color: rgb(136, 51, 34); left: ' + bookCoverDivLeft + 'px; top: '+bookCoverDivTop+'px; -moz-border-radius-topleft: 7px; -moz-border-radius-topright: 7px; -moz-border-radius-bottomright: 7px; -moz-border-radius-bottomleft: 7px;"/>');
- var height = this.getPageHeight(this.currentLeafR);
- var width = this.getPageWidth(this.currentLeafR);
+ var height = this.getPageHeight(this.currentIndexR);
+ var width = this.getPageWidth(this.currentIndexR);
var scaledW = this.twoPageH*width/height;
this.leafEdgeR = document.createElement('div');
this.prepareTwoPagePopUp();
- this.displayedLeafs = [];
+ this.displayedIndices = [];
- //this.leafsToDisplay=[firstLeaf, firstLeaf+1];
- //console.log('leafsToDisplay: ' + this.leafsToDisplay[0] + ' ' + this.leafsToDisplay[1]);
+ //this.indicesToDisplay=[firstLeaf, firstLeaf+1];
+ //console.log('indicesToDisplay: ' + this.indicesToDisplay[0] + ' ' + this.indicesToDisplay[1]);
this.drawLeafsTwoPage();
this.updateSearchHilites2UP();
this.prefetch();
- $('#GBzoom').text((100*this.twoPageH/this.getPageHeight(this.currentLeafL)).toString().substr(0,4));
+ $('#GBzoom').text((100*this.twoPageH/this.getPageHeight(this.currentIndexL)).toString().substr(0,4));
}
// prepareTwoPagePopUp()
//
- // This function prepares the "View leaf n" popup that shows while the mouse is
+ // This function prepares the "View Page n" popup that shows while the mouse is
// over the left/right "stack of sheets" edges. It also binds the mouse
// events for these divs.
//______________________________________________________________________________
$(this.leafEdgeR).bind('mousemove', this, function(e) {
- var jumpLeaf = e.data.jumpIndexForRightEdgePageX(e.pageX);
- $(e.data.twoPagePopUp).text('View Leaf '+jumpLeaf);
+ var jumpIndex = e.data.jumpIndexForRightEdgePageX(e.pageX);
+ $(e.data.twoPagePopUp).text('View ' + e.data.getPageName(jumpIndex));
$(e.data.twoPagePopUp).css({
left: e.pageX +5+ 'px',
$(this.leafEdgeL).bind('mousemove', this, function(e) {
- var jumpLeaf = e.data.jumpIndexForLeftEdgePageX(e.pageX);
- $(e.data.twoPagePopUp).text('View Leaf '+jumpLeaf);
+ var jumpIndex = e.data.jumpIndexForLeftEdgePageX(e.pageX);
+ $(e.data.twoPagePopUp).text('View '+ e.data.getPageName(jumpIndex));
$(e.data.twoPagePopUp).css({
left: e.pageX - $(e.data.twoPagePopUp).width() - 30 + 'px',
// calculateSpreadSize()
//______________________________________________________________________________
- // Calculates 2-page spread dimensions based on this.currentLeafL and
- // this.currentLeafR
+ // Calculates 2-page spread dimensions based on this.currentIndexL and
+ // this.currentIndexR
// This function sets this.twoPageH, twoPageW, and twoPageRatio
GnuBook.prototype.calculateSpreadSize = function() {
- var firstLeaf = this.currentLeafL;
- var secondLeaf = this.currentLeafR;
- //console.log('first page is ' + firstLeaf);
+ var firstIndex = this.currentIndexL;
+ var secondIndex = this.currentIndexR;
+ //console.log('first page is ' + firstIndex);
var canon5Dratio = 1.5;
- var firstLeafRatio = this.getPageHeight(firstLeaf) / this.getPageWidth(firstLeaf);
- var secondLeafRatio = this.getPageHeight(secondLeaf) / this.getPageWidth(secondLeaf);
- //console.log('firstLeafRatio = ' + firstLeafRatio + ' secondLeafRatio = ' + secondLeafRatio);
+ var firstIndexRatio = this.getPageHeight(firstIndex) / this.getPageWidth(firstIndex);
+ var secondIndexRatio = this.getPageHeight(secondIndex) / this.getPageWidth(secondIndex);
+ //console.log('firstIndexRatio = ' + firstIndexRatio + ' secondIndexRatio = ' + secondIndexRatio);
var ratio;
- if (Math.abs(firstLeafRatio - canon5Dratio) < Math.abs(secondLeafRatio - canon5Dratio)) {
- ratio = firstLeafRatio;
- //console.log('using firstLeafRatio ' + ratio);
+ if (Math.abs(firstIndexRatio - canon5Dratio) < Math.abs(secondIndexRatio - canon5Dratio)) {
+ ratio = firstIndexRatio;
+ //console.log('using firstIndexRatio ' + ratio);
} else {
- ratio = secondLeafRatio;
- //console.log('using secondLeafRatio ' + ratio);
+ ratio = secondIndexRatio;
+ //console.log('using secondIndexRatio ' + ratio);
}
var totalLeafEdgeWidth = parseInt(this.numLeafs * 0.1);
GnuBook.prototype.flipBackToIndex = function(index) {
if (1 == this.mode) return;
- var leftIndex = this.currentLeafL;
+ var leftIndex = this.currentIndexL;
// $$$ Need to change this to be able to see first spread.
// See https://bugs.launchpad.net/gnubook/+bug/296788
// Flips the page on the left towards the page on the right
GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR, gutter) {
- var leftLeaf = this.currentLeafL;
+ var leftLeaf = this.currentIndexL;
- var oldLeafEdgeWidthL = this.leafEdgeWidth(this.currentLeafL);
+ var oldLeafEdgeWidthL = this.leafEdgeWidth(this.currentIndexL);
var newLeafEdgeWidthL = this.leafEdgeWidth(newIndexL);
var leafEdgeTmpW = oldLeafEdgeWidthL - newLeafEdgeWidthL;
$(self.leafEdgeTmp).remove();
self.leafEdgeTmp = null;
- self.currentLeafL = newIndexL;
- self.currentLeafR = newIndexR;
- self.firstIndex = self.currentLeafL;
- self.displayedLeafs = [newIndexL, newIndexR];
+ self.currentIndexL = newIndexL;
+ self.currentIndexR = newIndexR;
+ self.firstIndex = self.currentIndexL;
+ self.displayedIndices = [newIndexL, newIndexR];
self.setClickHandlers();
self.pruneUnusedImgs();
self.prefetch();
}
if (null == index) {
- index = this.currentLeafR+2; // $$$ assumes indices are continuous
+ index = this.currentIndexR+2; // $$$ assumes indices are continuous
}
if (index > this.lastDisplayableIndex()) return;
//______________________________________________________________________________
// Flip from left to right and show the nextL and nextR indices on those sides
GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR, gutter) {
- var oldLeafEdgeWidthL = this.leafEdgeWidth(this.currentLeafL);
+ var oldLeafEdgeWidthL = this.leafEdgeWidth(this.currentIndexL);
var oldLeafEdgeWidthR = this.twoPageEdgeW-oldLeafEdgeWidthL;
var newLeafEdgeWidthL = this.leafEdgeWidth(newIndexL);
var newLeafEdgeWidthR = this.twoPageEdgeW-newLeafEdgeWidthL;
var top = ($('#GBcontainer').height() - this.twoPageH) >> 1;
- var scaledW = this.getPageWidth2UP(this.currentLeafR);
+ var scaledW = this.getPageWidth2UP(this.currentIndexR);
var middle = ($('#GBcontainer').width() >> 1);
- var currGutter = middle + this.gutterOffsetForIndex(this.currentLeafL);
+ var currGutter = middle + this.gutterOffsetForIndex(this.currentIndexL);
this.leafEdgeTmp = document.createElement('div');
$(this.leafEdgeTmp).css({
//var scaledWR = this.getPageWidth2UP(newIndexR); // $$$ should be current instead?
//var scaledWL = this.getPageWidth2UP(newIndexL); // $$$ should be current instead?
- var currWidthL = this.getPageWidth2UP(this.currentLeafL);
- var currWidthR = this.getPageWidth2UP(this.currentLeafR);
+ var currWidthL = this.getPageWidth2UP(this.currentIndexL);
+ var currWidthR = this.getPageWidth2UP(this.currentIndexR);
var newWidthL = this.getPageWidth2UP(newIndexL);
var newWidthR = this.getPageWidth2UP(newIndexR);
this.removeSearchHilites();
$(this.leafEdgeTmp).animate({left: gutter}, speed, 'easeInSine');
- $(this.prefetchedImgs[this.currentLeafR]).animate({width: '0px'}, speed, 'easeInSine', function() {
+ $(this.prefetchedImgs[this.currentIndexR]).animate({width: '0px'}, speed, 'easeInSine', function() {
$(self.leafEdgeTmp).animate({left: gutter-newWidthL-leafEdgeTmpW+'px'}, speed, 'easeOutSine');
$(self.prefetchedImgs[newIndexL]).animate({width: newWidthL+'px'}, speed, 'easeOutSine', function() {
$(self.prefetchedImgs[newIndexR]).css('zIndex', 2);
$(self.leafEdgeTmp).remove();
self.leafEdgeTmp = null;
- self.currentLeafL = newIndexL;
- self.currentLeafR = newIndexR;
- self.firstIndex = self.currentLeafL;
- self.displayedLeafs = [newIndexL, newIndexR];
+ self.currentIndexL = newIndexL;
+ self.currentIndexR = newIndexR;
+ self.firstIndex = self.currentIndexL;
+ self.displayedIndices = [newIndexL, newIndexR];
self.setClickHandlers();
self.pruneUnusedImgs();
self.prefetch();
//______________________________________________________________________________
GnuBook.prototype.setClickHandlers = function() {
var self = this;
- $(this.prefetchedImgs[this.currentLeafL]).click(function() {
+ $(this.prefetchedImgs[this.currentIndexL]).click(function() {
//self.prevPage();
self.autoStop();
self.left();
});
- $(this.prefetchedImgs[this.currentLeafR]).click(function() {
+ $(this.prefetchedImgs[this.currentIndexR]).click(function() {
//self.nextPage();'
self.autoStop();
self.right();
// prefetchImg()
//______________________________________________________________________________
- GnuBook.prototype.prefetchImg = function(leafNum) {
- if (undefined == this.prefetchedImgs[leafNum]) {
- //console.log('prefetching ' + leafNum);
+ GnuBook.prototype.prefetchImg = function(index) {
+ if (undefined == this.prefetchedImgs[index]) {
+ //console.log('prefetching ' + index);
var img = document.createElement("img");
- img.src = this.getPageURI(leafNum);
- this.prefetchedImgs[leafNum] = img;
+ img.src = this.getPageURI(index);
+ this.prefetchedImgs[index] = img;
}
}
// //TODO: we might have two left or two right leafs in a row (damaged book)
// //For now, assume that leafs are contiguous.
//
- // //return [this.currentLeafL+2, this.currentLeafL+3];
- // o.L = this.currentLeafL+2;
- // o.R = this.currentLeafL+3;
+ // //return [this.currentIndexL+2, this.currentIndexL+3];
+ // o.L = this.currentIndexL+2;
+ // o.R = this.currentIndexL+3;
// }
// getprevLeafs() -- NOT RTL AWARE
// //TODO: we might have two left or two right leafs in a row (damaged book)
// //For now, assume that leafs are contiguous.
//
- // //return [this.currentLeafL-2, this.currentLeafL-1];
- // o.L = this.currentLeafL-2;
- // o.R = this.currentLeafL-1;
+ // //return [this.currentIndexL-2, this.currentIndexL-1];
+ // o.L = this.currentIndexL-2;
+ // o.R = this.currentIndexL-1;
// }
// pruneUnusedImgs()
//______________________________________________________________________________
GnuBook.prototype.pruneUnusedImgs = function() {
- //console.log('current: ' + this.currentLeafL + ' ' + this.currentLeafR);
+ //console.log('current: ' + this.currentIndexL + ' ' + this.currentIndexR);
for (var key in this.prefetchedImgs) {
//console.log('key is ' + key);
- if ((key != this.currentLeafL) && (key != this.currentLeafR)) {
+ if ((key != this.currentIndexL) && (key != this.currentIndexR)) {
//console.log('removing key '+ key);
$(this.prefetchedImgs[key]).remove();
}
- if ((key < this.currentLeafL-4) || (key > this.currentLeafR+4)) {
+ if ((key < this.currentIndexL-4) || (key > this.currentIndexR+4)) {
//console.log('deleting key '+ key);
delete this.prefetchedImgs[key];
}
//______________________________________________________________________________
GnuBook.prototype.prefetch = function() {
- var lim = this.currentLeafL-4;
+ var lim = this.currentIndexL-4;
var i;
lim = Math.max(lim, 0);
- for (i = lim; i < this.currentLeafL; i++) {
+ for (i = lim; i < this.currentIndexL; i++) {
this.prefetchImg(i);
}
- if (this.numLeafs > (this.currentLeafR+1)) {
- lim = Math.min(this.currentLeafR+4, this.numLeafs-1);
- for (i=this.currentLeafR+1; i<=lim; i++) {
+ if (this.numLeafs > (this.currentIndexR+1)) {
+ lim = Math.min(this.currentIndexR+4, this.numLeafs-1);
+ for (i=this.currentIndexR+1; i<=lim; i++) {
this.prefetchImg(i);
}
}
script.setAttribute("type", "text/javascript");
script.setAttribute("src", 'http://'+this.server+'/GnuBook/flipbook_search_gb.php?url='+escape(this.bookPath+'/'+this.bookId+'_djvu.xml')+'&term='+term+'&format=XML&callback=gb.GBSearchCallback');
document.getElementsByTagName('head')[0].appendChild(script);
+ $('#GnuBookSearchResults').html('Searching...');
}
// GBSearchCallback()
var re = new RegExp (/_(\d{4})/);
var reMatch = re.exec(pages[i].getAttribute('file'));
- var leafNum = parseInt(reMatch[1], 10);
- //var leafNum = parseInt(pages[i].getAttribute('file').substr(1), 10);
+ var index = parseInt(reMatch[1], 10);
+ //var index = parseInt(pages[i].getAttribute('file').substr(1), 10);
var children = pages[i].childNodes;
var context = '';
} else if ('WORD' == children[j].nodeName) {
context += '<b>'+children[j].firstChild.nodeValue+'</b>';
- var index = this.leafNumToIndex(leafNum);
+ var index = this.leafNumToIndex(index);
if (null != index) {
//coordinates are [left, bottom, right, top, [baseline]]
//we'll skip baseline for now...
}
}
}
+ var pageName = this.getPageName(index);
//TODO: remove hardcoded instance name
- $('#GnuBookSearchResults').append('<li><b><a href="javascript:gb.jumpToIndex('+index+');">Leaf ' + leafNum + '</a></b> - ' + context+'</li>');
+ $('#GnuBookSearchResults').append('<li><b><a href="javascript:gb.jumpToIndex('+index+');">' + pageName + '</a></b> - ' + context + '</li>');
}
}
$('#GnuBookSearchResults').append('</ul>');
for (var key in this.searchResults) {
- if (-1 != jQuery.inArray(parseInt(key), this.displayedLeafs)) {
+ if (-1 != jQuery.inArray(parseInt(key), this.displayedIndices)) {
var result = this.searchResults[key];
if(null == result.div) {
result.div = document.createElement('div');
for (var key in this.searchResults) {
key = parseInt(key, 10);
- if (-1 != jQuery.inArray(key, this.displayedLeafs)) {
+ if (-1 != jQuery.inArray(key, this.displayedIndices)) {
var result = this.searchResults[key];
if(null == result.div) {
result.div = document.createElement('div');
var reduce = this.twoPageH/height;
var scaledW = parseInt(width*reduce);
- var gutter = middle + this.gutterOffsetForIndex(this.currentLeafL);
+ var gutter = middle + this.gutterOffsetForIndex(this.currentIndexL);
if ('L' == this.getPageSide(key)) {
var pageL = gutter-scaledW;
this.autoTimer=setInterval(function(){
if (self.animating) {return;}
- if (Math.max(self.currentLeafL, self.currentLeafR) >= self.lastDisplayableIndex()) {
+ if (Math.max(self.currentIndexL, self.currentIndexR) >= self.lastDisplayableIndex()) {
self.flipBackToIndex(1); // $$$ really what we want?
} else {
self.flipFwdToIndex();
GnuBook.prototype.jumpIndexForLeftEdgePageX = function(pageX) {
if ('rl' != this.pageProgression) {
// LTR - flipping backward
- var jumpLeaf = this.currentLeafL - ($(this.leafEdgeL).offset().left + $(this.leafEdgeL).width() - pageX) * 10;
- // browser may have resized the div due to font size change -- see https://bugs.launchpad.net/gnubook/+bug/333570
- jumpLeaf = Math.min(jumpLeaf, this.currentLeafL - 2);
- jumpLeaf = Math.max(jumpLeaf, this.firstDisplayableIndex());
- return jumpLeaf;
+ var jumpIndex = this.currentIndexL - ($(this.leafEdgeL).offset().left + $(this.leafEdgeL).width() - pageX) * 10;
+
+ // browser may have resized the div due to font size change -- see https://bugs.launchpad.net/gnubook/+bug/333570
+ jumpIndex = GnuBook.util.clamp(Math.round(jumpIndex), this.firstDisplayableIndex(), this.currentIndexL - 2);
+ return jumpIndex;
+
} else {
- var jumpLeaf = this.currentLeafL + ($(this.leafEdgeL).offset().left + $(this.leafEdgeL).width() - pageX) * 10;
- jumpLeaf = Math.max(jumpLeaf, this.currentLeafL + 2);
- jumpLeaf = Math.min(jumpLeaf, this.lastDisplayableIndex());
- return jumpLeaf;
+ var jumpIndex = this.currentIndexL + ($(this.leafEdgeL).offset().left + $(this.leafEdgeL).width() - pageX) * 10;
+ jumpIndex = GnuBook.util.clamp(Math.round(jumpIndex), this.currentIndexL + 2, this.lastDisplayableIndex());
+ return jumpIndex;
}
}
GnuBook.prototype.jumpIndexForRightEdgePageX = function(pageX) {
if ('rl' != this.pageProgression) {
// LTR
- var jumpLeaf = this.currentLeafR + (pageX - $(this.leafEdgeR).offset().left) * 10;
- jumpLeaf = Math.max(jumpLeaf, this.currentLeafR + 2);
- jumpLeaf = Math.min(jumpLeaf, this.lastDisplayableIndex());
- return jumpLeaf;
+ var jumpIndex = this.currentIndexR + (pageX - $(this.leafEdgeR).offset().left) * 10;
+ jumpIndex = GnuBook.util.clamp(Math.round(jumpIndex), this.currentIndexR + 2, this.lastDisplayableIndex());
+ return jumpIndex;
} else {
- var jumpLeaf = this.currentLeafR - (pageX - $(this.leafEdgeR).offset().left) * 10;
- jumpLeaf = Math.min(jumpLeaf, this.currentLeafR - 2);
- jumpLeaf = Math.max(jumpLeaf, this.firstDisplayableIndex());
- return jumpLeaf;
+ var jumpIndex = this.currentIndexR - (pageX - $(this.leafEdgeR).offset().left) * 10;
+ jumpIndex = GnuBook.util.clamp(Math.round(jumpIndex), this.firstDisplayableIndex(), this.currentIndexR - 2);
+ return jumpIndex;
}
}
+ "<a class='GBicon logo rollover' href='" + this.logoURL + "'> </a>"
+ " <button class='GBicon rollover zoom_out' onclick='gb.zoom1up(-1); return false;'/>"
+ "<button class='GBicon rollover zoom_in' onclick='gb.zoom1up(1); return false;'/>"
- + " <span class='label'>Zoom: <span id='GBzoom'>25</span>%</span>"
+ + " <span class='label'>Zoom: <span id='GBzoom'>"+100/this.reduce+"</span>%</span>"
+ " <button class='GBicon rollover one_page_mode' onclick='gb.switchMode(1); return false;'/>"
+ " <button class='GBicon rollover two_page_mode' onclick='gb.switchMode(2); return false;'/>"
+ " <a class='GBblack title' href='"+this.bookUrl+"' target='_blank'>"+this.shortTitle(50)+"</a>"
jToolbar.append("<span id='GBtoolbarbuttons' style='float: right'>"
+ "<button class='GBicon rollover embed' />"
+ "<form class='GBpageform' action='javascript:' onsubmit='gb.jumpToPage(this.elements[0].value)'> <span class='label'>Page:<input id='GBpagenum' type='text' size='3' onfocus='gb.autoStop();'></input></span></form>"
- + "<div class='GBtoolbarmode2' style='display: inline'><button class='GBicon rollover book_leftmost' /><button class='GBicon rollover book_left' /><button class='GBicon rollover book_right' /><button class='GBicon rollover book_rightmost' /></div>"
- + "<div class='GBtoolbarmode1' style='display: hidden'><button class='GBicon rollover book_top' /><button class='GBicon rollover book_up' /> <button class='GBicon rollover book_down' /><button class='GBicon rollover book_bottom' /></div>"
+ + "<div class='GBtoolbarmode2' style='display: none'><button class='GBicon rollover book_leftmost' /><button class='GBicon rollover book_left' /><button class='GBicon rollover book_right' /><button class='GBicon rollover book_rightmost' /></div>"
+ + "<div class='GBtoolbarmode1' style='display: none'><button class='GBicon rollover book_top' /><button class='GBicon rollover book_up' /> <button class='GBicon rollover book_down' /><button class='GBicon rollover book_bottom' /></div>"
+ "<button class='GBicon rollover play' /><button class='GBicon rollover pause' style='display: none' /></span>");
this.bindToolbarNavHandlers(jToolbar);
if (1 == mode) {
// 1-up
$('#GBtoolbar .GBtoolbarmode2').hide();
- $('#GBtoolbar .GBtoolbarmode1').css('display', 'inline').show();
+ $('#GBtoolbar .GBtoolbarmode1').show().css('display', 'inline');
} else {
// 2-up
$('#GBtoolbar .GBtoolbarmode1').hide();
- $('#GBtoolbar .GBtoolbarmode2').css('display', 'inline').show();
+ $('#GBtoolbar .GBtoolbarmode2').show().css('display', 'inline');
}
}
this.jumpToIndex(params.index);
}
} else if ('undefined' != typeof(params.page)) {
+ // $$$ this assumes page numbers are unique
if (params.page != this.getPageNum(this.currentIndex())) {
this.jumpToPage(params.page);
}
// getPageIndex(pageNum)
//________
- // Returns the index of the given page number, or undefined
+ // Returns the *highest* index the given page number, or undefined
GnuBook.prototype.getPageIndex = function(pageNum) {
- var pageIndex = undefined;
+ var pageIndices = this.getPageIndices(pageNum);
+ if (pageIndices.length > 0) {
+ return pageIndices[pageIndices.length - 1];
+ }
+
+ return undefined;
+ }
+
+ // getPageIndices(pageNum)
+ //________
+ // Returns an array (possibly empty) of the indices with the given page number
+ GnuBook.prototype.getPageIndices = function(pageNum) {
+ var indices = [];
+
// Check for special "nXX" page number
if (pageNum.slice(0,1) == 'n') {
try {
var pageIntStr = pageNum.slice(1, pageNum.length);
- pageIndex = parseInt(pageIntStr);
- return pageIndex;
+ var pageIndex = parseInt(pageIntStr);
+ indices.append(pageIndex);
+ return indices;
} catch(err) {
// Do nothing... will run through page names and see if one matches
}
var i;
for (i=0; i<this.numLeafs; i++) {
if (this.getPageNum(i) == pageNum) {
- pageIndex = i;
- return pageIndex;
+ indices.push(i);
}
}
+
+ return indices;
+ }
- return pageIndex;
+ // getPageName(index)
+ //________
+ // Returns the name of the page as it should be displayed in the user interface
+ GnuBook.prototype.getPageName = function(index) {
+ return 'Page ' + this.getPageNum(index);
}
// updateLocationHash
// Returns the embed code HTML fragment suitable for copy and paste
GnuBook.prototype.getEmbedCode = function() {
return "<iframe src='" + this.getEmbedURL() + "' width='480px' height='430px'></iframe>";
+ }
+
+
+ // Library functions
+ GnuBook.util = {
+ clamp: function(value, min, max) {
+ return Math.min(Math.max(value, min), max);
+ }
}
projects / bookreader.git / commitdiff