/*
-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.
The GnuBook source is hosted at http://github.com/openlibrary/bookreader/
- archive.org cvs $Revision: 1.68 $ $Date: 2009-03-04 22:00:31 $
+ archive.org cvs $Revision: 1.2 $ $Date: 2009-06-22 18:42:51 $
*/
// GnuBook()
this.reduce = 4;
this.padding = 10;
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;
this.lastDisplayableIndex2up = null;
+ // We link to index.php to avoid redirect which breaks back button
+ this.logoURL = 'http://www.archive.org/index.php';
+
+ // Base URL for images
+ this.imagesBaseURL = '/bookreader/images/';
+
+ // Mode constants
+ this.constMode1up = 1;
+ this.constMode2up = 2;
+
};
// init()
//______________________________________________________________________________
GnuBook.prototype.init = function() {
- var startLeaf = window.location.hash;
- //console.log("startLeaf from location.hash: %s", startLeaf);
- if ('' == startLeaf) {
- if (this.titleLeaf) {
- startLeaf = "#" + this.leafNumToIndex(this.titleLeaf);
+
+ var startIndex = undefined;
+
+ // Find start index and mode if set in location hash
+ var params = this.paramsFromFragment(window.location.hash);
+
+ if ('undefined' != typeof(params.index)) {
+ startIndex = params.index;
+ } else if ('undefined' != typeof(params.page)) {
+ startIndex = this.getPageIndex(params.page);
+ }
+
+ if ('undefined' == typeof(startIndex)) {
+ if ('undefined' != typeof(this.titleLeaf)) {
+ startIndex = this.leafNumToIndex(this.titleLeaf);
}
}
- // Ideally this would be set in the HTML/PHP for better search engine visibility but
- // it takes some time to locate the item and retrieve the metadata
+ if ('undefined' == typeof(startIndex)) {
+ startIndex = 0;
+ }
+
+ if ('undefined' != typeof(params.mode)) {
+ this.mode = params.mode;
+ }
+
+ // Set document title -- may have already been set in enclosing html for
+ // search engine visibility
document.title = this.shortTitle(50);
$("#GnuBook").empty();
- this.initToolbar(this.mode); // Build inside of toolbar div
+ this.initToolbar(this.mode, this.ui); // Build inside of toolbar div
$("#GnuBook").append("<div id='GBcontainer'></div>");
$("#GBcontainer").append("<div id='GBpageview'></div>");
});
this.setupKeyListeners();
- this.setupRollovers();
+ this.startLocationPolling();
$(window).bind('resize', this, function(e) {
//console.log('resize!');
//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 {
e.data.prepareTwoPageView();
}
});
+
+ $('.GBpagediv1up').bind('mousedown', this, function(e) {
+ //console.log('mousedown!');
+ });
if (1 == this.mode) {
this.resizePageView();
-
- if ('' != startLeaf) { // Jump to the leaf specified in the URL
- this.jumpToIndex(parseInt(startLeaf.substr(1)));
- //console.log('jump to ' + parseInt(startLeaf.substr(1)));
- }
+ this.firstIndex = startIndex;
+ this.jumpToIndex(startIndex);
} else {
//this.resizePageView();
- this.displayedLeafs=[0];
- if ('' != startLeaf) {
- this.displayedLeafs = [parseInt(startLeaf.substr(1))];
- }
+ this.displayedIndices=[0];
+ this.firstIndex = startIndex;
+ 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();
}
+
+ // Enact other parts of initial params
+ this.updateFromParams(params);
}
GnuBook.prototype.setupKeyListeners = function() {
}
break;
case KEY_END:
- self.end();
+ self.last();
break;
case KEY_HOME:
- self.home();
+ self.first();
break;
case KEY_LEFT:
if (self.keyboardNavigationIsDisabled(e)) {
}
}
+// setDragHandler1up()
+//______________________________________________________________________________
+GnuBook.prototype.setDragHandler1up = function(div) {
+ div.dragging = false;
+
+ $(div).bind('mousedown', function(e) {
+ //console.log('mousedown at ' + e.pageY);
+
+ this.dragging = true;
+ this.prevMouseX = e.pageX;
+ this.prevMouseY = e.pageY;
+
+ var startX = e.pageX;
+ var startY = e.pageY;
+ var startTop = $('#GBcontainer').attr('scrollTop');
+ var startLeft = $('#GBcontainer').attr('scrollLeft');
+
+ return false;
+ });
+
+ $(div).bind('mousemove', function(ee) {
+ //console.log('mousemove ' + startY);
+
+ var offsetX = ee.pageX - this.prevMouseX;
+ var offsetY = ee.pageY - this.prevMouseY;
+
+ if (this.dragging) {
+ $('#GBcontainer').attr('scrollTop', $('#GBcontainer').attr('scrollTop') - offsetY);
+ $('#GBcontainer').attr('scrollLeft', $('#GBcontainer').attr('scrollLeft') - offsetX);
+ }
+
+ this.prevMouseX = ee.pageX;
+ this.prevMouseY = ee.pageY;
+
+ return false;
+ });
+
+ $(div).bind('mouseup', function(ee) {
+ //console.log('mouseup');
+
+ this.dragging = false;
+ return false;
+ });
+
+ $(div).bind('mouseleave', function(e) {
+ //console.log('mouseleave');
+
+ //$(this).unbind('mousemove mouseup');
+ this.dragging = false;
+
+ });
+}
// drawLeafsOnePage()
//______________________________________________________________________________
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.displayedIndices);
//console.log('to display: ' + i);
- leafsToDisplay.push(i);
+ indicesToDisplay.push(i);
}
leafTop += height +10;
leafBottom += 10;
}
- var firstLeafToDraw = leafsToDisplay[0];
- window.location.replace('#' + firstLeafToDraw);
- 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.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;
$(div).css('height', height+'px');
//$(div).text('loading...');
+ this.setDragHandler1up(div);
+
$('#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)) {
- $("#GBpagenum").val(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('');
}
- window.location.replace('#' + this.currentLeafL);
+ this.updateLocationHash();
}
// loadLeafs()
this.resizePageView();
$('#GBpageview').empty()
- this.displayedLeafs = [];
+ this.displayedIndices = [];
this.loadLeafs();
$('#GBzoom').text(100/this.reduce);
}
-
// resizePageView()
//______________________________________________________________________________
GnuBook.prototype.resizePageView = function() {
// jumpToPage()
//______________________________________________________________________________
+// Attempts to jump to page. Returns true if page could be found, false otherwise.
GnuBook.prototype.jumpToPage = function(pageNum) {
- var i;
- var foundPage = false;
- var foundLeaf = null;
- for (i=0; i<this.numLeafs; i++) {
- if (this.getPageNum(i) == pageNum) {
- foundPage = true;
- foundLeaf = i;
- break;
- }
- }
-
- if (foundPage) {
+ var pageIndex = this.getPageIndex(pageNum);
+
+ if ('undefined' != typeof(pageIndex)) {
var leafTop = 0;
var h;
- this.jumpToIndex(foundLeaf);
+ this.jumpToIndex(pageIndex);
$('#GBcontainer').attr('scrollTop', leafTop);
- } else {
- alert('Page not found. This book might not have pageNumbers in scandata.');
+ return true;
}
+
+ // Page not found
+ return false;
}
// jumpToIndex()
// By checking against min/max we do nothing if requested index
// is current
- if (index < Math.min(this.currentLeafL, this.currentLeafR)) {
+ if (index < Math.min(this.currentIndexL, this.currentIndexR)) {
this.flipBackToIndex(index);
- } else if (index > Math.max(this.currentLeafL, this.currentLeafR)) {
+ } else if (index > Math.max(this.currentIndexL, this.currentIndexR)) {
this.flipFwdToIndex(index);
}
leafTop += h + this.padding;
}
//$('#GBcontainer').attr('scrollTop', leafTop);
- $('#GBcontainer').animate({scrollTop: leafTop },'fast');
+ $('#GBcontainer').animate({scrollTop: leafTop },'fast');
}
}
//______________________________________________________________________________
GnuBook.prototype.prepareOnePageView = function() {
- var startLeaf = this.displayedLeafs[0];
+ // var startLeaf = this.displayedIndices[0];
+ var startLeaf = this.currentIndex();
$('#GBcontainer').empty();
$('#GBcontainer').css({
overflowX: 'auto'
});
- $("#GBcontainer").append("<div id='GBpageview'></div>");
+ var gbPageView = $("#GBcontainer").append("<div id='GBpageview'></div>");
this.resizePageView();
+
this.jumpToIndex(startLeaf);
- this.displayedLeafs = [];
+ this.displayedIndices = [];
+
this.drawLeafsOnePage();
- $('#GBzoom').text(100/this.reduce);
+ $('#GBzoom').text(100/this.reduce);
+
+ // Bind mouse handlers
+ // Disable mouse click to avoid selected/highlighted page images - bug 354239
+ gbPageView.bind('mousedown', function(e) {
+ return false;
+ })
+ // Special hack for IE7
+ gbPageView[0].onselectstart = function(e) { return false; };
}
// prepareTwoPageView()
// one side of the spread because it is the first/last leaf,
// foldouts, missing pages, etc
- var targetLeaf = this.displayedLeafs[0];
-
+ //var targetLeaf = this.displayedIndices[0];
+ var targetLeaf = this.firstIndex;
+
if (targetLeaf < this.firstDisplayableIndex()) {
targetLeaf = this.firstDisplayableIndex();
}
targetLeaf = this.lastDisplayableIndex();
}
- this.currentLeafL = null;
- this.currentLeafR = null;
+ this.currentIndexL = null;
+ this.currentIndexR = null;
this.pruneUnusedImgs();
var currentSpreadIndices = this.getSpreadIndices(targetLeaf);
- this.currentLeafL = currentSpreadIndices[0];
- this.currentLeafR = currentSpreadIndices[1];
+ this.currentIndexL = currentSpreadIndices[0];
+ this.currentIndexR = currentSpreadIndices[1];
+ this.firstIndex = this.currentIndexL;
this.calculateSpreadSize(); //sets this.twoPageW, twoPageH, and twoPageRatio
// cover centered and fixed in the GBcontainer div the page images will meet
// at the "gutter" which is generally offset from the center.
var middle = ($('#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');
borderStyle: 'solid solid solid none',
borderColor: 'rgb(51, 51, 34)',
borderWidth: '1px 1px 1px 0px',
- background: 'transparent url(images/right-edges.png) repeat scroll 0% 0%',
+ background: 'transparent url(' + this.imagesBaseURL + 'right_edges.png) repeat scroll 0% 0%',
width: leafEdgeWidthR + 'px',
height: this.twoPageH-1 + 'px',
/*right: '10px',*/
borderStyle: 'solid none solid solid',
borderColor: 'rgb(51, 51, 34)',
borderWidth: '1px 0px 1px 1px',
- background: 'transparent url(images/left-edges.png) repeat scroll 0% 0%',
+ background: 'transparent url(' + this.imagesBaseURL + 'left_edges.png) repeat scroll 0% 0%',
width: leafEdgeWidthL + 'px',
height: this.twoPageH-1 + 'px',
left: bookCoverDivLeft+10+'px',
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);
}
+// currentIndex()
+//______________________________________________________________________________
+// Returns the currently active index.
+GnuBook.prototype.currentIndex = function() {
+ // $$$ we should be cleaner with our idea of which index is active in 1up/2up
+ if (this.mode == this.constMode1up || this.mode == this.constMode2up) {
+ return this.firstIndex;
+ } else {
+ throw 'currentIndex called for unimplemented mode ' + this.mode;
+ }
+}
+
// right()
//______________________________________________________________________________
// Flip the right page over onto the left
}
}
+// rightmost()
+//______________________________________________________________________________
+// Flip to the rightmost page
+GnuBook.prototype.rightmost = function() {
+ if ('rl' != this.pageProgression) {
+ gb.last();
+ } else {
+ gb.first();
+ }
+}
+
// left()
//______________________________________________________________________________
// Flip the left page over onto the right.
}
}
+// leftmost()
+//______________________________________________________________________________
+// Flip to the leftmost page
+GnuBook.prototype.leftmost = function() {
+ if ('rl' != this.pageProgression) {
+ gb.first();
+ } else {
+ gb.last();
+ }
+}
+
// next()
//______________________________________________________________________________
GnuBook.prototype.next = function() {
}
}
-GnuBook.prototype.home = function() {
+GnuBook.prototype.first = function() {
if (2 == this.mode) {
this.jumpToIndex(2);
}
}
}
-GnuBook.prototype.end = function() {
+GnuBook.prototype.last = function() {
if (2 == this.mode) {
this.jumpToIndex(this.lastDisplayableIndex());
}
GnuBook.prototype.flipBackToIndex = function(index) {
if (1 == this.mode) return;
- var leftIndex = this.currentLeafL;
+ var leftIndex = this.currentIndexL;
// $$$ 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;
borderStyle: 'solid none solid solid',
borderColor: 'rgb(51, 51, 34)',
borderWidth: '1px 0px 1px 1px',
- background: 'transparent url(images/left-edges.png) repeat scroll 0% 0%',
+ background: 'transparent url(' + this.imagesBaseURL + 'left_edges.png) repeat scroll 0% 0%',
width: leafEdgeTmpW + 'px',
height: this.twoPageH-1 + 'px',
left: leftEdgeTmpLeft + 'px',
$(self.leafEdgeTmp).remove();
self.leafEdgeTmp = null;
- self.currentLeafL = newIndexL;
- self.currentLeafR = newIndexR;
- self.displayedLeafs = [newIndexL, newIndexR];
+ self.currentIndexL = newIndexL;
+ self.currentIndexR = newIndexR;
+ self.firstIndex = self.currentIndexL;
+ self.displayedIndices = [newIndexL, newIndexR];
self.setClickHandlers();
self.pruneUnusedImgs();
- self.prefetch();
+ self.prefetch();
self.animating = false;
self.updateSearchHilites2UP();
self.updatePageNumBox2UP();
//$('#GBzoom').text((self.twoPageH/self.getPageHeight(newIndexL)).toString().substr(0,4));
+
+ if (self.animationFinishedCallback) {
+ self.animationFinishedCallback();
+ self.animationFinishedCallback = null;
+ }
});
});
}
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({
borderStyle: 'solid none solid solid',
borderColor: 'rgb(51, 51, 34)',
borderWidth: '1px 0px 1px 1px',
- background: 'transparent url(images/left-edges.png) repeat scroll 0% 0%',
+ background: 'transparent url(' + this.imagesBaseURL + 'left_edges.png) repeat scroll 0% 0%',
width: leafEdgeTmpW + 'px',
height: this.twoPageH-1 + 'px',
left: currGutter+scaledW+'px',
//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);
$(self.leafEdgeTmp).remove();
self.leafEdgeTmp = null;
- self.currentLeafL = newIndexL;
- self.currentLeafR = newIndexR;
- self.displayedLeafs = [newIndexL, newIndexR];
+ self.currentIndexL = newIndexL;
+ self.currentIndexR = newIndexR;
+ self.firstIndex = self.currentIndexL;
+ self.displayedIndices = [newIndexL, newIndexR];
self.setClickHandlers();
self.pruneUnusedImgs();
self.prefetch();
self.animating = false;
+
self.updateSearchHilites2UP();
self.updatePageNumBox2UP();
//$('#GBzoom').text((self.twoPageH/self.getPageHeight(newIndexL)).toString().substr(0,4));
+
+ if (self.animationFinishedCallback) {
+ self.animationFinishedCallback();
+ self.animationFinishedCallback = null;
+ }
});
});
}
//______________________________________________________________________________
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;
}).appendTo('#GnuBook');
htmlStr = '<p style="text-align:center;"><b>Embed Bookreader in your blog!</b></p>';
- htmlStr += '<p><b>Note:</b> The bookreader is still in beta testing. URLs may change in the future, breaking embedded books. This feature is just for testing!</b></p>';
htmlStr += '<p>The bookreader uses iframes for embedding. It will not work on web hosts that block iframes. The embed feature has been tested on blogspot.com blogs as well as self-hosted Wordpress blogs. This feature will NOT work on wordpress.com blogs.</p>';
- htmlStr += '<p>Embed Code: <input type="text" size="40" value="<iframe src=\'http://www.us.archive.org/GnuBook/GnuBookEmbed.php?id='+this.bookId+'\' width=\'430px\' height=\'430px\'></iframe>"></p>';
+ htmlStr += '<p>Embed Code: <input type="text" size="40" value="' + this.getEmbedCode() + '"></p>';
htmlStr += '<p style="text-align:center;"><a href="" onclick="gb.embedPopup = null; $(this.parentNode.parentNode).remove(); return false">Close popup</a></p>';
- this.embedPopup.innerHTML = htmlStr;
+ this.embedPopup.innerHTML = htmlStr;
+ $(this.embedPopup).find('input').bind('click', function() {
+ this.select();
+ })
}
// autoToggle()
this.flipFwdToIndex();
}
- $('#autoImg').removeClass('play').addClass('pause');
+ $('#GBtoolbar .play').hide();
+ $('#GBtoolbar .pause').show();
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();
if (null != this.autoTimer) {
clearInterval(this.autoTimer);
this.flipSpeed = 'fast';
- $('#autoImg').removeClass('pause').addClass('play');
+ $('#GBtoolbar .pause').hide();
+ $('#GBtoolbar .play').show();
this.autoTimer = null;
}
}
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;
}
}
-GnuBook.prototype.initToolbar = function(mode) {
- // XXXmang hook up logo to url action
- $("#GnuBook").append("<div id='GBtoolbar'><span style='float:left;'><button class='GBicon logo' />"
+GnuBook.prototype.initToolbar = function(mode, ui) {
+ $("#GnuBook").append("<div id='GBtoolbar'><span style='float:left;'>"
+ + "<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>"
- + " <button class='GBicon rollover script' onclick='gb.switchMode(1); return false;'/>"
- + " <button class='GBicon rollover book_open' onclick='gb.switchMode(2); return false;'/>"
- + " <a class='GBblack title' href='"+this.bookUrl+"' target='_blank'>"+this.shortTitle(50)+"</a>"
+ + " <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>"
+ "</span></div>");
+
+ if (ui == "embed") {
+ $("#GnuBook a.logo").attr("target","_blank");
+ }
// $$$ turn this into a member variable
var jToolbar = $('#GBtoolbar'); // j prefix indicates jQuery object
// We build in mode 2
jToolbar.append("<span id='GBtoolbarbuttons' style='float: right'>"
- + "<button class='GBicon rollover page_code' />"
+ + "<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_left' /><button class='GBicon rollover book_right' /></div>"
- + "<div class='GBtoolbarmode1' style='display: hidden'><button class='GBicon rollover book_up' /> <button class='GBicon rollover book_down' /></div>"
- + "<button class='GBicon rollover play' id='autoImg' /></span>");
-
- // Bind the non-changing click handlers
- jToolbar.find('.page_code').bind('click', function(e) {
- gb.showEmbedCode();
- return false;
- });
- jToolbar.find('.play').bind('click', function(e) {
- gb.autoToggle();
- return false;
- });
+ + "<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);
+
+ // Setup tooltips -- later we could load these from a file for i18n
+ var titles = { '.logo': 'Go to Archive.org',
+ '.zoom_in': 'Zoom in',
+ '.zoom_out': 'Zoom out',
+ '.one_page_mode': 'One-page view',
+ '.two_page_mode': 'Two-page view',
+ '.embed': 'Embed bookreader',
+ '.book_left': 'Flip left',
+ '.book_right': 'Flip right',
+ '.book_up': 'Page up',
+ '.book_down': 'Page down',
+ '.play': 'Play',
+ '.pause': 'Pause',
+ '.book_top': 'First page',
+ '.book_bottom': 'Last page'
+ };
+ if ('rl' == this.pageProgression) {
+ titles['.book_leftmost'] = 'Last page';
+ titles['.book_rightmost'] = 'First page';
+ } else { // LTR
+ titles['.book_leftmost'] = 'First page';
+ titles['.book_rightmost'] = 'Last page';
+ }
+
+ for (var icon in titles) {
+ jToolbar.find(icon).attr('title', titles[icon]);
+ }
// Switch to requested mode -- binds other click handlers
this.switchToolbarMode(mode);
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();
+ $('#GBtoolbar .GBtoolbarmode2').show().css('display', 'inline');
}
-
- this.bindToolbarNavHandlers($('#GBtoolbar'));
}
// bindToolbarNavHandlers
// Binds the toolbar handlers
GnuBook.prototype.bindToolbarNavHandlers = function(jToolbar) {
- jToolbar.find('.book_left').unbind('click')
- .bind('click', function(e) {
- gb.left();
- return false;
- });
+ jToolbar.find('.book_left').bind('click', function(e) {
+ gb.left();
+ return false;
+ });
- jToolbar.find('.book_right').unbind('click')
- .bind('click', function(e) {
- gb.right();
- return false;
- });
+ jToolbar.find('.book_right').bind('click', function(e) {
+ gb.right();
+ return false;
+ });
- jToolbar.find('.book_up').unbind('click')
- .bind('click', function(e) {
- gb.prev();
- return false;
- });
+ jToolbar.find('.book_up').bind('click', function(e) {
+ gb.prev();
+ return false;
+ });
- jToolbar.find('.book_down').unbind('click')
- .bind('click', function(e) {
- gb.next();
- return false;
- });
+ jToolbar.find('.book_down').bind('click', function(e) {
+ gb.next();
+ return false;
+ });
+
+ jToolbar.find('.embed').bind('click', function(e) {
+ gb.showEmbedCode();
+ return false;
+ });
+
+ jToolbar.find('.play').bind('click', function(e) {
+ gb.autoToggle();
+ return false;
+ });
+
+ jToolbar.find('.pause').bind('click', function(e) {
+ gb.autoToggle();
+ return false;
+ });
+
+ jToolbar.find('.book_top').bind('click', function(e) {
+ gb.first();
+ return false;
+ });
+
+ jToolbar.find('.book_bottom').bind('click', function(e) {
+ gb.last();
+ return false;
+ });
+
+ jToolbar.find('.book_leftmost').bind('click', function(e) {
+ gb.leftmost();
+ return false;
+ });
+
+ jToolbar.find('.book_rightmost').bind('click', function(e) {
+ gb.rightmost();
+ return false;
+ });
}
// firstDisplayableIndex
}
}
-// setupRollovers
-//______________________________________________________________________________
-// Set up rollover behaviour for icons
-GnuBook.prototype.setupRollovers = function() {
-
- // TODO precache
-
- // XXXmang this doesn't quite work because when we change classes the explicitly set
- // url stays with the element
- // On hover we change the base to rollover. We switch back on off-hover.
- $('#GnuBook .rollover').hover( function() {
- console.log('hover in ' + this); //XXX
- $(this).css('backgroundImage', $(this).css('backgroundImage').replace('_base', '_rollover'));
- }, function () {
- console.log('hover out ' + this); //XXX
- $(this).css('backgroundImage', $(this).css('backgroundImage').replace('_rollover', '_base'));
- });
-}
-
// shortTitle(maximumCharacters)
//________
// Returns a shortened version of the title with the maximum number of characters
var title = this.bookTitle.substr(0, maximumCharacters - 3);
title += '...';
return title;
+}
+
+
+
+// Parameter related functions
+
+// updateFromParams(params)
+//________
+// Update ourselves from the params object.
+//
+// e.g. this.updateFromParams(this.paramsFromFragment(window.location.hash))
+GnuBook.prototype.updateFromParams = function(params) {
+ if ('undefined' != typeof(params.mode)) {
+ this.switchMode(params.mode);
+ }
+
+ // $$$ process /search
+ // $$$ process /zoom
+
+ // We only respect page if index is not set
+ if ('undefined' != typeof(params.index)) {
+ if (params.index != this.currentIndex()) {
+ this.jumpToIndex(params.index);
+ }
+ } else if ('undefined' != typeof(params.page)) {
+ // $$$ this assumes page numbers are unique
+ if (params.page != this.getPageNum(this.currentIndex())) {
+ this.jumpToPage(params.page);
+ }
+ }
+
+ // $$$ process /region
+ // $$$ process /highlight
+}
+
+// paramsFromFragment(urlFragment)
+//________
+// Returns a object with configuration parametes from a URL fragment.
+//
+// E.g paramsFromFragment(window.location.hash)
+GnuBook.prototype.paramsFromFragment = function(urlFragment) {
+ // URL fragment syntax specification: http://openlibrary.org/dev/docs/bookurls
+
+ var params = {};
+
+ // For convenience we allow an initial # character (as from window.location.hash)
+ // but don't require it
+ if (urlFragment.substr(0,1) == '#') {
+ urlFragment = urlFragment.substr(1);
+ }
+
+ // Simple #nn syntax
+ var oldStyleLeafNum = parseInt( /^\d+$/.exec(urlFragment) );
+ if ( !isNaN(oldStyleLeafNum) ) {
+ params.index = oldStyleLeafNum;
+
+ // Done processing if using old-style syntax
+ return params;
+ }
+
+ // Split into key-value pairs
+ var urlArray = urlFragment.split('/');
+ var urlHash = {};
+ for (var i = 0; i < urlArray.length; i += 2) {
+ urlHash[urlArray[i]] = urlArray[i+1];
+ }
+
+ // Mode
+ if ('1up' == urlHash['mode']) {
+ params.mode = this.constMode1up;
+ } else if ('2up' == urlHash['mode']) {
+ params.mode = this.constMode2up;
+ }
+
+ // Index and page
+ if ('undefined' != typeof(urlHash['page'])) {
+ // page was set -- may not be int
+ params.page = urlHash['page'];
+ }
+
+ // $$$ process /region
+ // $$$ process /search
+ // $$$ process /highlight
+
+ return params;
+}
+
+// paramsFromCurrent()
+//________
+// Create a params object from the current parameters.
+GnuBook.prototype.paramsFromCurrent = function() {
+
+ var params = {};
+
+ var pageNum = this.getPageNum(this.currentIndex());
+ if ((pageNum === 0) || pageNum) {
+ params.page = pageNum;
+ }
+
+ params.index = this.currentIndex();
+ params.mode = this.mode;
+
+ // $$$ highlight
+ // $$$ region
+ // $$$ search
+
+ return params;
+}
+
+// fragmentFromParams(params)
+//________
+// Create a fragment string from the params object.
+// See http://openlibrary.org/dev/docs/bookurls for an explanation of the fragment syntax.
+GnuBook.prototype.fragmentFromParams = function(params) {
+ var separator = '/';
+
+ var fragments = [];
+
+ if ('undefined' != typeof(params.page)) {
+ fragments.push('page', params.page);
+ } else {
+ // Don't have page numbering -- use index instead
+ fragments.push('page', 'n' + params.index);
+ }
+
+ // $$$ highlight
+ // $$$ region
+ // $$$ search
+
+ // mode
+ if ('undefined' != typeof(params.mode)) {
+ if (params.mode == this.constMode1up) {
+ fragments.push('mode', '1up');
+ } else if (params.mode == this.constMode2up) {
+ fragments.push('mode', '2up');
+ } else {
+ throw 'fragmentFromParams called with unknown mode ' + params.mode;
+ }
+ }
+
+ return fragments.join(separator);
+}
+
+// getPageIndex(pageNum)
+//________
+// Returns the *highest* index the given page number, or undefined
+GnuBook.prototype.getPageIndex = function(pageNum) {
+ 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);
+ 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) {
+ indices.push(i);
+ }
+ }
+
+ return indices;
+}
+
+// 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
+//________
+// Update the location hash from the current parameters. Call this instead of manually
+// using window.location.replace
+GnuBook.prototype.updateLocationHash = function() {
+ var newHash = '#' + this.fragmentFromParams(this.paramsFromCurrent());
+ window.location.replace(newHash);
+
+ // This is the variable checked in the timer. Only user-generated changes
+ // to the URL will trigger the event.
+ this.oldLocationHash = newHash;
+}
+
+// startLocationPolling
+//________
+// Starts polling of window.location to see hash fragment changes
+GnuBook.prototype.startLocationPolling = function() {
+ var self = this; // remember who I am
+ self.oldLocationHash = window.location.hash;
+
+ if (this.locationPollId) {
+ clearInterval(this.locationPollID);
+ this.locationPollId = null;
+ }
+
+ this.locationPollId = setInterval(function() {
+ var newHash = window.location.hash;
+ if (newHash != self.oldLocationHash) {
+ if (newHash != self.oldUserHash) { // Only process new user hash once
+ //console.log('url change detected ' + self.oldLocationHash + " -> " + newHash);
+
+ // Queue change if animating
+ if (self.animating) {
+ self.autoStop();
+ self.animationFinishedCallback = function() {
+ self.updateFromParams(self.paramsFromFragment(newHash));
+ }
+ } else { // update immediately
+ self.updateFromParams(self.paramsFromFragment(newHash));
+ }
+ self.oldUserHash = newHash;
+ }
+ }
+ }, 500);
+}
+
+// getEmbedURL
+//________
+// Returns a URL for an embedded version of the current book
+GnuBook.prototype.getEmbedURL = function() {
+ // We could generate a URL hash fragment here but for now we just leave at defaults
+ return 'http://' + window.location.host + '/stream/'+this.bookId + '?ui=embed';
+}
+
+// getEmbedCode
+//________
+// 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);
+ }
}
\ No newline at end of file