// GnuBook()
//______________________________________________________________________________
// After you instantiate this object, you must supply the following
-// book-specific functions, before calling init():
+// book-specific functions, before calling init(). Some of these functions
+// can just be stubs for simple books.
// - getPageWidth()
// - getPageHeight()
// - getPageURI()
+// - getPageSide()
+// - canRotatePage()
+// - getPageNum()
+// - getSpreadIndices()
// You must also add a numLeafs property before calling init().
function GnuBook() {
this.reduce = 4;
this.padding = 10;
- this.mode = 1; //1 or 2
+ this.mode = 1; //1, 2, 3
this.ui = 'full'; // UI mode
-
+ this.thumbScale = 10; // thumbnail default
+ this.thumbRowBuffer = 4; // number of rows to pre-cache out a view
+
this.displayedIndices = [];
+ this.displayedRows=[];
//this.indicesToDisplay = [];
this.imgs = {};
this.prefetchedImgs = {}; //an object with numeric keys cooresponding to page index
// Mode constants
this.constMode1up = 1;
this.constMode2up = 2;
+ this.constModeThumb = 3;
// Zoom levels
this.reductionFactors = [0.5, 1, 2, 4, 8, 16];
GnuBook.prototype.init = function() {
var startIndex = undefined;
+ this.pageScale = this.reduce; // preserve current reduce
// Find start index and mode if set in location hash
var params = this.paramsFromFragment(window.location.hash);
e.data.displayedIndices = [];
e.data.updateSearchHilites(); //deletes hilights but does not call remove()
e.data.loadLeafs();
+ } else if (3 == e.data.mode){
+ e.data.prepareThumbnailView();
} else {
//console.log('drawing 2 page view');
this.resizePageView();
this.firstIndex = startIndex;
this.jumpToIndex(startIndex);
+ } else if (3 == this.mode) {
+ this.firstIndex = startIndex;
+ this.prepareThumbnailView();
+ this.jumpToIndex(startIndex);
} else {
//this.resizePageView();
GnuBook.prototype.drawLeafs = function() {
if (1 == this.mode) {
this.drawLeafsOnePage();
+ } else if(3 == this.mode) {
+ this.drawLeafsThumbnail();
} else {
this.drawLeafsTwoPage();
}
var leafTop = 0;
var leafBottom = 0;
for (i=0; i<this.numLeafs; i++) {
- var height = parseInt(this.getPageHeight(i)/this.reduce);
+ var height = parseInt(this._getPageHeight(i)/this.reduce);
leafBottom += height;
//console.log('leafTop = '+leafTop+ ' pageH = ' + this.pageH[i] + 'leafTop>=scrollTop=' + (leafTop>=scrollTop));
leafTop = 0;
var i;
for (i=0; i<firstIndexToDraw; i++) {
- leafTop += parseInt(this.getPageHeight(i)/this.reduce) +10;
+ leafTop += parseInt(this._getPageHeight(i)/this.reduce) +10;
}
//var viewWidth = $('#GBpageview').width(); //includes scroll bar width
for (i=0; i<indicesToDisplay.length; i++) {
var index = indicesToDisplay[i];
- var height = parseInt(this.getPageHeight(index)/this.reduce);
+ var height = parseInt(this._getPageHeight(index)/this.reduce);
if(-1 == jQuery.inArray(indicesToDisplay[i], this.displayedIndices)) {
- var width = parseInt(this.getPageWidth(index)/this.reduce);
+ var width = parseInt(this._getPageWidth(index)/this.reduce);
//console.log("displaying leaf " + indicesToDisplay[i] + ' leafTop=' +leafTop);
var div = document.createElement("div");
div.className = 'GBpagediv1up';
$('#GBpageview').append(div);
var img = document.createElement("img");
- img.src = this.getPageURI(index, this.reduce, 0);
+ img.src = this._getPageURI(index, this.reduce, 0);
$(img).css('width', width+'px');
$(img).css('height', height+'px');
$(div).append(img);
}
+// drawLeafsThumbnail()
+//______________________________________________________________________________
+GnuBook.prototype.drawLeafsThumbnail = function() {
+ //alert('drawing leafs!');
+ this.timer = null;
+
+ var viewWidth = $('#GBcontainer').attr('scrollWidth') - 20; // width minus buffer
+
+ //console.log('top=' + scrollTop + ' bottom='+scrollBottom);
+
+ var i;
+ var leafWidth;
+ var leafHeight;
+ var rightPos = 0;
+ var bottomPos = 0;
+ var maxRight = 0;
+ var currentRow = 0;
+ var leafIndex = 0;
+ var leafMap = [];
+
+ for (i=0; i<this.numLeafs; i++) {
+ leafWidth = parseInt(this.getPageWidth(i)/this.reduce, 10);
+ if (rightPos + (leafWidth + this.padding) > viewWidth){
+ currentRow++;
+ rightPos = 0;
+ leafIndex = 0;
+ }
+
+ if (leafMap[currentRow]===undefined) { leafMap[currentRow] = {}; }
+ if (leafMap[currentRow].leafs===undefined) {
+ leafMap[currentRow].leafs = [];
+ leafMap[currentRow].height = 0;
+ leafMap[currentRow].top = 0;
+ }
+ leafMap[currentRow].leafs[leafIndex] = {};
+ leafMap[currentRow].leafs[leafIndex].num = i;
+ leafMap[currentRow].leafs[leafIndex].left = rightPos;
+
+ leafHeight = parseInt(this.getPageHeight(leafMap[currentRow].leafs[leafIndex].num)/this.reduce, 10);
+ if (leafHeight > leafMap[currentRow].height) { leafMap[currentRow].height = leafHeight; }
+ if (leafIndex===0) { bottomPos += this.padding + leafMap[currentRow].height; }
+ rightPos += leafWidth + this.padding;
+ if (rightPos > maxRight) { maxRight = rightPos; }
+ leafIndex++;
+ }
+
+ // reset the bottom position based on thumbnails
+ $('#GBpageview').height(bottomPos);
+
+ var pageViewBuffer = Math.floor(($('#GBcontainer').attr('scrollWidth') - maxRight) / 2) - 14;
+ var scrollTop = $('#GBcontainer').attr('scrollTop');
+ var scrollBottom = scrollTop + $('#GBcontainer').height();
+
+ var leafTop = 0;
+ var leafBottom = 0;
+ var rowsToDisplay = [];
+
+ for (i=0; i<leafMap.length; i++) {
+ leafBottom += this.padding + leafMap[i].height;
+ var topInView = (leafTop >= scrollTop) && (leafTop <= scrollBottom);
+ var bottomInView = (leafBottom >= scrollTop) && (leafBottom <= scrollBottom);
+ var middleInView = (leafTop <=scrollTop) && (leafBottom>=scrollBottom);
+ if (topInView | bottomInView | middleInView) {
+ //console.log('row to display: ' + j);
+ rowsToDisplay.push(i);
+ }
+ if(leafTop > leafMap[i].top) { leafMap[i].top = leafTop; }
+ leafTop = leafBottom;
+ }
+
+ var firstRow = rowsToDisplay[0];
+ var lastRow = rowsToDisplay[rowsToDisplay.length-1];
+ for (i=1; i<this.thumbRowBuffer+1; i++) {
+ if (firstRow-i >= 0) { rowsToDisplay.unshift(firstRow-i); }
+ if (lastRow+i < leafMap.length) { rowsToDisplay.push(lastRow+i); }
+}
+
+ // Update hash, but only if we're currently displaying a leaf
+ // Hack that fixes #365790
+ if (this.displayedRows.length > 0) {
+ this.updateLocationHash();
+ }
+
+ var j;
+ var row;
+ var left;
+ var index;
+ var div;
+ var link;
+ var img;
+ for (i=0; i<rowsToDisplay.length; i++) {
+ if (-1 == jQuery.inArray(rowsToDisplay[i], this.displayedRows)) {
+ row = rowsToDisplay[i];
+
+ for (j=0; j<leafMap[row].leafs.length; j++) {
+ index = leafMap[row].leafs[j].num;
+
+ leafWidth = parseInt(this.getPageWidth(index)/this.reduce, 10);
+ leafHeight = parseInt(this.getPageHeight(index)/this.reduce, 10);
+ leafTop = leafMap[row].top;
+ left = leafMap[row].leafs[j].left + pageViewBuffer;
+
+ div = document.createElement("div");
+ div.id = 'pagediv'+index;
+ div.style.position = "absolute";
+ div.className = "GBpagedivthumb";
+
+ left += this.padding;
+ $(div).css('top', leafTop + 'px');
+ $(div).css('left', left+'px');
+ $(div).css('width', leafWidth+'px');
+ $(div).css('height', leafHeight+'px');
+ //$(div).text('loading...');
+
+ // link to page in single page mode
+ link = document.createElement("a");
+ link.href = '#page/' + (this.getPageNum(index)) +'/mode/1up' ;
+ $(div).append(link);
+
+ $('#GBpageview').append(div);
+
+ img = document.createElement("img");
+ img.src = this.getPageURI(index);
+ $(img).css('width', leafWidth+'px');
+ $(img).css('height', leafHeight+'px');
+ img.style.border = "0";
+ $(link).append(img);
+ //console.log('displaying thumbnail: ' + leafMap[j]);
+ }
+ }
+ }
+
+ // remove previous highlights
+ if ($('.GBpagedivthumb_highlight').length>0) {
+ div = $('.GBpagedivthumb_highlight')
+ div.attr({className: 'GBpagedivthumb' });
+ }
+ // highlight current page
+ $('#pagediv'+this.currentIndex()).attr({className: 'GBpagedivthumb_highlight' });
+
+ var k;
+ for (i=0; i<this.displayedRows.length; i++) {
+ if (-1 == jQuery.inArray(this.displayedRows[i], rowsToDisplay)) {
+ row = this.displayedRows[i];
+ for (k=0; k<leafMap[row].leafs.length; k++) {
+ index = leafMap[row].leafs[k].num;
+ //console.log('Removing leaf ' + index);
+ $('#pagediv'+index).remove();
+ }
+ } else {
+
+ //console.log('NOT Removing leaf ' + this.displayedIndices[i]);
+ }
+ }
+
+ this.displayedRows = rowsToDisplay.slice();
+
+ if (null !== this.getPageNum(this.currentIndex())) {
+ $("#GBpagenum").val(this.getPageNum(this.currentIndex()));
+ } else {
+ $("#GBpagenum").val('');
+ }
+
+ this.updateToolbarZoom(this.reduce);
+}
+
// drawLeafsTwoPage()
//______________________________________________________________________________
GnuBook.prototype.drawLeafsTwoPage = function() {
var indexL = this.twoPage.currentIndexL;
- var heightL = this.getPageHeight(indexL);
- var widthL = this.getPageWidth(indexL);
+ var heightL = this._getPageHeight(indexL);
+ var widthL = this._getPageWidth(indexL);
var leafEdgeWidthL = this.leafEdgeWidth(indexL);
var leafEdgeWidthR = this.twoPage.edgeWidth - leafEdgeWidthL;
}).appendTo('#GBtwopageview');
var indexR = this.twoPage.currentIndexR;
- var heightR = this.getPageHeight(indexR);
- var widthR = this.getPageWidth(indexR);
+ var heightR = this._getPageHeight(indexR);
+ var widthR = this._getPageWidth(indexR);
// $$$ should use getwidth2up?
//var scaledWR = this.twoPage.height*widthR/heightR;
// zoom1up(dir)
//______________________________________________________________________________
GnuBook.prototype.zoom1up = function(dir) {
+
if (2 == this.mode) { //can only zoom in 1-page mode
this.switchMode(1);
return;
if (this.reduce >= 8) return;
this.reduce*=2; //zoom out
}
-
+
+ this.pageScale = this.reduce; // preserve current reduce
this.resizePageView();
$('#GBpageview').empty()
this.loadLeafs();
this.updateToolbarZoom(this.reduce);
+
+ // Recalculate search hilites
+ this.removeSearchHilites();
+ this.updateSearchHilites();
+
}
// resizePageView()
}
for (i=0; i<this.numLeafs; i++) {
- viewHeight += parseInt(this.getPageHeight(i)/this.reduce) + this.padding;
- var width = parseInt(this.getPageWidth(i)/this.reduce);
+ viewHeight += parseInt(this._getPageHeight(i)/this.reduce) + this.padding;
+ var width = parseInt(this._getPageWidth(i)/this.reduce);
if (width>viewWidth) viewWidth=width;
}
$('#GBpageview').height(viewHeight);
//this.centerPageView();
this.loadLeafs();
+ // Not really needed until there is 1up autofit
+ this.removeSearchHilites();
+ this.updateSearchHilites();
}
// centerX1up()
}
this.twoPage.autofit = newZoom.autofit;
this.reduce = newZoom.reduce;
+ this.pageScale = this.reduce; // preserve current reduce
// Preserve view center position
var oldCenter = this.twoPageGetViewCenter();
// jumpToIndex()
//______________________________________________________________________________
-GnuBook.prototype.jumpToIndex = function(index) {
+GnuBook.prototype.jumpToIndex = function(index, pageX, pageY) {
if (2 == this.mode) {
this.autoStop();
this.flipFwdToIndex(index);
}
- } else {
+ } else if (3 == this.mode){
+ var viewWidth = $('#GBcontainer').attr('scrollWidth') - 20; // width minus buffer
var i;
+ var leafWidth = 0;
+ var leafHeight = 0;
+ var rightPos = 0;
+ var bottomPos = 0;
+ var rowHeight = 0;
var leafTop = 0;
+ var leafIndex = 0;
+
+ for (i=0; i<(index+1); i++) {
+ leafWidth = parseInt(this.getPageWidth(i)/this.reduce, 10);
+ if (rightPos + (leafWidth + this.padding) > viewWidth){
+ rightPos = 0;
+ rowHeight = 0;
+ leafIndex = 0;
+ }
+ leafHeight = parseInt(this.getPageHeight(i)/this.reduce, 10);
+ if(leafHeight > rowHeight) { rowHeight = leafHeight; }
+ if (leafIndex==0) { leafTop = bottomPos; }
+ if (leafIndex==0) { bottomPos += this.padding + rowHeight; }
+ rightPos += leafWidth + this.padding;
+ leafIndex++;
+ }
+ this.firstIndex=index;
+ if ($('#GBcontainer').attr('scrollTop') == leafTop) {
+ this.loadLeafs();
+ } else {
+ $('#GBcontainer').animate({scrollTop: leafTop },'fast');
+ }
+ } else {
+ var i;
+ var leafTop = 0;
+ var leafLeft = 0;
var h;
for (i=0; i<index; i++) {
- h = parseInt(this.getPageHeight(i)/this.reduce);
+ h = parseInt(this._getPageHeight(i)/this.reduce);
leafTop += h + this.padding;
}
+
+ if (pageY) {
+ //console.log('pageY ' + pageY);
+ var offset = parseInt( (pageY) / this.reduce);
+ offset -= $('#GBcontainer').attr('clientHeight') >> 1;
+ //console.log( 'jumping to ' + leafTop + ' ' + offset);
+ leafTop += offset;
+ }
+
+ if (pageX) {
+ var offset = parseInt( (pageX) / this.reduce);
+ offset -= $('#GBcontainer').attr('clientWidth') >> 1;
+ leafLeft += offset;
+ }
+
//$('#GBcontainer').attr('scrollTop', leafTop);
- $('#GBcontainer').animate({scrollTop: leafTop },'fast');
+ $('#GBcontainer').animate({scrollTop: leafTop, scrollLeft: leafLeft },'fast');
}
}
-
// switchMode()
//______________________________________________________________________________
GnuBook.prototype.switchMode = function(mode) {
this.removeSearchHilites();
this.mode = mode;
-
this.switchToolbarMode(mode);
+
+ // reinstate scale if moving from thumbnail view
+ if (this.pageScale != this.reduce) this.reduce = this.pageScale;
// $$$ TODO preserve center of view when switching between mode
// See https://bugs.edge.launchpad.net/gnubook/+bug/416682
-
+
if (1 == mode) {
this.reduce = this.quantizeReduce(this.reduce);
this.prepareOnePageView();
+ } else if (3 == mode) {
+ this.reduce = this.quantizeReduce(this.reduce);
+ this.prepareThumbnailView();
+ this.jumpToIndex(this.currentIndex());
} else {
this.twoPage.autofit = false; // Take zoom level from other mode
this.reduce = this.quantizeReduce(this.reduce);
gbPageView[0].onselectstart = function(e) { return false; };
}
+//prepareThumbnailView()
+//______________________________________________________________________________
+GnuBook.prototype.prepareThumbnailView = function() {
+
+ // var startLeaf = this.displayedIndices[0];
+ var startLeaf = this.currentIndex();
+ this.reduce = this.thumbScale;
+
+ $('#GBcontainer').empty();
+ $('#GBcontainer').css({
+ overflowY: 'scroll',
+ overflowX: 'auto'
+ });
+
+ var gbPageView = $("#GBcontainer").append("<div id='GBpageview'></div>");
+
+ this.resizePageView();
+
+ this.displayedRows = [];
+ this.drawLeafsThumbnail();
+
+ // Bind mouse handlers
+ // Disable mouse click to avoid selected/highlighted page images - bug 354239
+ gbPageView.bind('mousedown', function(e) {
+ // $$$ check here for right-click and don't disable. Also use jQuery style
+ // for stopping propagation. See https://bugs.edge.launchpad.net/gnubook/+bug/362626
+ return false;
+ })
+ // Special hack for IE7
+ gbPageView[0].onselectstart = function(e) { return false; };
+}
+
// prepareTwoPageView()
//______________________________________________________________________________
// Some decisions about two page view:
//console.log('indicesToDisplay: ' + this.indicesToDisplay[0] + ' ' + this.indicesToDisplay[1]);
this.drawLeafsTwoPage();
- this.updateSearchHilites2UP();
this.updateToolbarZoom(this.reduce);
this.prefetch();
+
+ this.removeSearchHilites();
+ this.updateSearchHilites();
+
}
// prepareTwoPagePopUp()
var canon5Dratio = 1.5;
var first = {
- height: this.getPageHeight(firstIndex),
- width: this.getPageWidth(firstIndex)
+ height: this._getPageHeight(firstIndex),
+ width: this._getPageWidth(firstIndex)
}
var second = {
- height: this.getPageHeight(secondIndex),
- width: this.getPageWidth(secondIndex)
+ height: this._getPageHeight(secondIndex),
+ width: this._getPageWidth(secondIndex)
}
var firstIndexRatio = first.height / first.width;
spreadSize.totalLeafEdgeWidth = Math.min(totalLeafEdgeWidth, maxLeafEdgeWidth);
// $$$ Possibly incorrect -- we should make height "dominant"
- var nativeWidth = this.getPageWidth(firstIndex) + this.getPageWidth(secondIndex);
- var nativeHeight = this.getPageHeight(firstIndex) + this.getPageHeight(secondIndex);
+ var nativeWidth = this._getPageWidth(firstIndex) + this._getPageWidth(secondIndex);
+ var nativeHeight = this._getPageHeight(firstIndex) + this._getPageHeight(secondIndex);
spreadSize.height = parseInt( (nativeHeight / 2) / this.reduce );
spreadSize.width = parseInt( (nativeWidth / 2) / this.reduce );
spreadSize.reduce = reduce;
// Returns the currently active index.
GnuBook.prototype.currentIndex = function() {
// $$$ we should be cleaner with our idea of which index is active in 1up/2up
- if (this.mode == this.constMode1up) {
+ if (this.mode == this.constMode1up || this.mode == this.constModeThumb) {
return this.firstIndex; // $$$ TODO page in center of view would be better
} else if (this.mode == this.constMode2up) {
// Only allow indices that are actually present in book
// prefetchImg()
//______________________________________________________________________________
GnuBook.prototype.prefetchImg = function(index) {
- var pageURI = this.getPageURI(index);
+ var pageURI = this._getPageURI(index);
// Load image if not loaded or URI has changed (e.g. due to scaling)
var loadImage = false;
this.prefetchImg(prevL);
this.prefetchImg(prevR);
- var height = this.getPageHeight(prevL);
- var width = this.getPageWidth(prevL);
+ var height = this._getPageHeight(prevL);
+ var width = this._getPageWidth(prevL);
var middle = this.twoPage.middle;
var top = this.twoPageTop();
var scaledW = this.twoPage.height*width/height; // $$$ assumes height of page is dominant
this.prefetchImg(nextL);
this.prefetchImg(nextR);
- var height = this.getPageHeight(nextR);
- var width = this.getPageWidth(nextR);
+ var height = this._getPageHeight(nextR);
+ var width = this._getPageWidth(nextR);
var middle = this.twoPage.middle;
var top = this.twoPageTop();
var scaledW = this.twoPage.height*width/height;
$('#GBtwopageview').append(this.prefetchedImgs[nextR]);
- height = this.getPageHeight(nextL);
- width = this.getPageWidth(nextL);
+ height = this._getPageHeight(nextL);
+ width = this._getPageWidth(nextL);
scaledW = this.twoPage.height*width/height;
//console.log(' prepareRTL changing nextL ' + nextL + ' to right: ' + $('#GBcontainer').width()-gutter);
//______________________________________________________________________________
GnuBook.prototype.getPageWidth2UP = function(index) {
// We return the width based on the dominant height
- var height = this.getPageHeight(index);
- var width = this.getPageWidth(index);
+ var height = this._getPageHeight(index);
+ var width = this._getPageWidth(index);
return Math.floor(this.twoPage.height*width/height); // $$$ we assume width is relative to current spread
}
//we'll skip baseline for now...
var coords = children[j].getAttribute('coords').split(',',4);
if (4 == coords.length) {
- this.searchResults[index] = {'l':coords[0], 'b':coords[1], 'r':coords[2], 't':coords[3], 'div':null};
+ this.searchResults[index] = {'l':parseInt(coords[0]), 'b':parseInt(coords[1]), 'r':parseInt(coords[2]), 't':parseInt(coords[3]), 'div':null};
}
}
}
}
var pageName = this.getPageName(index);
+ var middleX = (this.searchResults[index].l + this.searchResults[index].r) >> 1;
+ var middleY = (this.searchResults[index].t + this.searchResults[index].b) >> 1;
//TODO: remove hardcoded instance name
- $('#GnuBookSearchResults').append('<li><b><a href="javascript:gb.jumpToIndex('+index+');">' + pageName + '</a></b> - ' + context + '</li>');
+ $('#GnuBookSearchResults').append('<li><b><a href="javascript:gb.jumpToIndex('+index+','+middleX+','+middleY+');">' + pageName + '</a></b> - ' + context + '</li>');
}
}
$('#GnuBookSearchResults').append('</ul>');
// We calculate the reduction factor for the specific page because it can be different
// for each page in the spread
- var height = this.getPageHeight(key);
- var width = this.getPageWidth(key)
+ var height = this._getPageHeight(key);
+ var width = this._getPageWidth(key)
var reduce = this.twoPage.height/height;
var scaledW = parseInt(width*reduce);
var options = 'id=' + this.bookId + '&server=' + this.server + '&zip=' + this.zip
+ '&format=' + this.imageFormat + '&file=' + this._getPageFile(indexToPrint)
- + '&width=' + this.getPageWidth(indexToPrint) + '&height=' + this.getPageHeight(indexToPrint);
+ + '&width=' + this._getPageWidth(indexToPrint) + '&height=' + this._getPageHeight(indexToPrint);
if (this.constMode2up == this.mode) {
- options += '&file2=' + this._getPageFile(this.twoPage.currentIndexR) + '&width2=' + this.getPageWidth(this.twoPage.currentIndexR);
- options += '&height2=' + this.getPageHeight(this.twoPage.currentIndexR);
+ options += '&file2=' + this._getPageFile(this.twoPage.currentIndexR) + '&width2=' + this._getPageWidth(this.twoPage.currentIndexR);
+ options += '&height2=' + this._getPageHeight(this.twoPage.currentIndexR);
options += '&title=' + encodeURIComponent(this.shortTitle(50) + ' - Pages ' + this.getPageNum(this.twoPage.currentIndexL) + ', ' + this.getPageNum(this.twoPage.currentIndexR));
} else {
options += '&title=' + encodeURIComponent(this.shortTitle(50) + ' - Page ' + this.getPageNum(indexToPrint));
// We fit the image based on an assumed A4 aspect ratio. A4 is a bit taller aspect than
// 8.5x11 so we should end up not overflowing on either paper size.
var paperAspect = 8.5 / 11;
- var imageAspect = this.getPageWidth(index) / this.getPageHeight(index);
+ var imageAspect = this._getPageWidth(index) / this._getPageHeight(index);
var rotate = 0;
fitAttrs = 'height="95%"';
}
- var imageURL = this.getPageURI(index, 1, rotate);
+ var imageURL = this._getPageURI(index, 1, rotate);
var iframeStr = '<html style="padding: 0; border: 0; margin: 0"><head><title>' + this.bookTitle + '</title></head><body style="padding: 0; border:0; margin: 0">';
iframeStr += '<div style="text-align: center; width: 99%; height: 99%; overflow: hidden;">';
iframeStr += '<img src="' + imageURL + '" ' + fitAttrs + ' />';
+ "<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: 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>"
+ + "<div class='GBtoolbarmode3' style='display: none'><button class='GBicon rollover book_top' /><button class='GBicon rollover book_thumb_prev' /> <button class='GBicon rollover book_thumb_next' /><button class='GBicon rollover book_bottom' /></div>"
+ "<button class='GBicon rollover play' /><button class='GBicon rollover pause' style='display: none' />"
+ "</span>"
+ "<span>"
+ "<a class='GBicon logo rollover' href='" + this.logoURL + "'> </a>"
- + " <button class='GBicon rollover zoom_out' onclick='gb.zoom(-1); return false;'/>"
+ + "<div class='GBtoolbarzoom' style='display: none'><button class='GBicon rollover zoom_out' onclick='gb.zoom(-1); return false;'/>"
+ "<button class='GBicon rollover zoom_in' onclick='gb.zoom(1); return false;'/>"
- + " <span class='label'>Zoom: <span id='GBzoom'>"+parseInt(100/this.reduce)+"</span></span>"
+ + " <span class='label'>Zoom: <span id='GBzoom'>"+parseInt(100/this.reduce)+"</span></span></div>"
+ " <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;'/>"
+ + " <button class='GBicon rollover thumbnail_mode' onclick='gb.switchMode(3); return false;'/>"
+ "</span>"
+ "<span id='#GBbooktitle'>"
'.zoom_out': 'Zoom out',
'.one_page_mode': 'One-page view',
'.two_page_mode': 'Two-page view',
+ '.thumbnail_mode': 'Thumbnail view',
'.print': 'Print this page',
'.embed': 'Embed bookreader',
'.book_left': 'Flip left',
'.play': 'Play',
'.pause': 'Pause',
'.book_top': 'First page',
- '.book_bottom': 'Last page'
+ '.book_bottom': 'Last page',
+ '.book_thumb_next': 'Next',
+ '.book_thumb_prev': 'Previous'
};
if ('rl' == this.pageProgression) {
titles['.book_leftmost'] = 'Last page';
// Update the toolbar for the given mode (changes navigation buttons)
// $$$ we should soon split the toolbar out into its own module
GnuBook.prototype.switchToolbarMode = function(mode) {
+
if (1 == mode) {
- // 1-up
+ // 1-up
+ $('#GBtoolbar .GBtoolbarzoom').show().css('display', 'inline');
$('#GBtoolbar .GBtoolbarmode2').hide();
+ $('#GBtoolbar .GBtoolbarmode3').hide();
$('#GBtoolbar .GBtoolbarmode1').show().css('display', 'inline');
- } else {
+ } else if (2 == mode) {
// 2-up
+ $('#GBtoolbar .GBtoolbarzoom').show().css('display', 'inline');
$('#GBtoolbar .GBtoolbarmode1').hide();
+ $('#GBtoolbar .GBtoolbarmode3').hide();
$('#GBtoolbar .GBtoolbarmode2').show().css('display', 'inline');
+ } else {
+ // 3-up
+ $('#GBtoolbar .GBtoolbarzoom').hide();
+ $('#GBtoolbar .GBtoolbarmode2').hide();
+ $('#GBtoolbar .GBtoolbarmode1').hide();
+ $('#GBtoolbar .GBtoolbarmode3').show().css('display', 'inline');
}
}
gb.rightmost();
return false;
});
+
+ jToolbar.find('.book_thumb_prev').bind('click', function(e) {
+ gb.prev();
+ return false;
+ });
+
+ jToolbar.find('.book_thumb_next').bind('click', function(e) {
+ gb.next();
+ return false;
+ });
}
// updateToolbarZoom(reduce)
// 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)
params.mode = this.constMode1up;
} else if ('2up' == urlHash['mode']) {
params.mode = this.constMode2up;
+ } else if ('thumb' == urlHash['mode']) {
+ params.mode = this.constModeThumb;
}
// Index and page
// 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('mode', '1up');
} else if (params.mode == this.constMode2up) {
fragments.push('mode', '2up');
+ } else if (params.mode == this.constModeThumb) {
+ fragments.push('mode', 'thumb');
} else {
throw 'fragmentFromParams called with unknown mode ' + params.mode;
}
return '';
}
+// _getPageWidth
+//--------
+// Returns the page width for the given index, or first or last page if out of range
+GnuBook.prototype._getPageWidth = function(index) {
+ // Synthesize a page width for pages not actually present in book.
+ // May or may not be the best approach.
+ // If index is out of range we return the width of first or last page
+ index = GnuBook.util.clamp(index, 0, this.numLeafs - 1);
+ return this.getPageWidth(index);
+}
+
+// _getPageHeight
+//--------
+// Returns the page height for the given index, or first or last page if out of range
+GnuBook.prototype._getPageHeight= function(index) {
+ index = GnuBook.util.clamp(index, 0, this.numLeafs - 1);
+ return this.getPageHeight(index);
+}
+
+// _getPageURI
+//--------
+// Returns the page URI or transparent image if out of range
+GnuBook.prototype._getPageURI = function(index, reduce, rotate) {
+ if (index < 0 || index >= this.numLeafs) { // Synthesize page
+ return this.imagesBaseURL + "/transparent.png";
+ }
+
+ return this.getPageURI(index, reduce, rotate);
+}
+
// Library functions
GnuBook.util = {
clamp: function(value, min, max) {
projects / bookreader.git / blobdiff