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add annotation panel

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This commit is contained in:
j 2019-01-23 20:44:59 +05:30
commit 4f3d5f5ee1
9 changed files with 201 additions and 36 deletions
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74
static/reader/epub.js
View file

@ -5,10 +5,61 @@ var annotations = JSON.parse(localStorage[id + '.annotations'] || '[]')
var currentSelection;
var fontSize = parseInt(localStorage.epubFontSize || '100', 10)
Ox.load({
'UI': {
loadCSS: false
}
}, function() {
Ox.$parent.bindMessage(function(data, event) {
console.log('got', event, 'data', data)
if (event == 'selectAnnotation') {
selectAnnotation(data.id)
var annotation = annotations.filter(function(a) { return a.id == data.id })[0]
if (annotation) {
reader.rendition.display(annotation.cfiRange)
}
}
})
setTimeout(function() {
annotations.forEach(function(a) {
Ox.$parent.postMessage('addAnnotation', a)
})
}, 1000)
})
function saveAnnotations() {
localStorage[id + '.annotations'] = JSON.stringify(annotations)
}
function addAnnotation(annotation) {
annotations.push(annotation)
Ox.$parent.postMessage('addAnnotation', annotation)
saveAnnotations()
}
function selectAnnotation(id) {
$('.epubjs-hl.selected').each(function(i, g) {
g.classList.remove('selected')
})
$('.epubjs-hl[data-id='+id+']').each(function(i, g) {
g.classList.add('selected')
})
}
function deselectAnnotation(id) {
$('.epubjs-hl[data-id='+id+']').each(function(i, g) {
g.classList.remove('selected')
})
}
function removeAnnotation(a) {
annotations = annotations.filter(function(annotation) {
return annotation.cfiRange != a.dataset.epubcfi
})
reader.rendition.annotations.remove(a.dataset.epubcfi)
saveAnnotations()
}
function getText(book, cfiRange, cb) {
book.getRange(cfiRange).then(function (range) {
var text;
@ -45,18 +96,15 @@ document.onreadystatechange = function () {
rendition.themes.fontSize(fontSize + "%");
annotations.forEach(function(a) {
rendition.annotations.highlight(a.cfiRange, a.data || {}, onHighlightClicked);
rendition.annotations.highlight(a.cfiRange, {id: a.id}, onHighlightClicked);
})
reader.rendition.on('keydown', function(event) {
if (event.key == 'Delete') {
document.querySelectorAll('.epubjs-hl.selected').forEach(function(a) {
annotations = annotations.filter(function(annotation) {
return annotation.cfiRange != a.dataset.epubcfi
})
rendition.annotations.remove(a.dataset.epubcfi)
saveAnnotations()
removeAnnotation(a)
Ox.$parent.postMessage('removeAnnotation', {id: a.dataset.id})
})
}
if (event.key == 'n') {
@ -70,11 +118,10 @@ document.onreadystatechange = function () {
//currentSelection.cfiRange = reader.rendition.book.section().cfiFromRange(range).toString()
*/
rendition.annotations.highlight(currentSelection.cfiRange, currentSelection.data, onHighlightClicked);
rendition.annotations.highlight(currentSelection.cfiRange, {id: currentSelection.id}, onHighlightClicked);
currentSelection.contents.window.getSelection().removeAllRanges();
delete currentSelection.contents
annotations.push(currentSelection)
saveAnnotations()
addAnnotation(currentSelection)
document.querySelectorAll('.epubjs-hl.selected').forEach(function(other) {
other.classList.remove('selected')
})
@ -103,13 +150,12 @@ document.onreadystatechange = function () {
console.log('!! mark', cfiRange)
})
rendition.on("selected", function(cfiRange, contents) {
console.log('!! selected', cfiRange)
getText(book, cfiRange, function(quote) {
getText(book, cfiRange, function(text) {
currentSelection = {
id: Ox.SHA1(cfiRange),
created: (new Date).toISOString(),
cfiRange: cfiRange,
data: {
quote: quote
},
text: text,
contents: contents
}
})

67
static/reader/pdf.js
View file

@ -2,21 +2,39 @@ var id = document.location.pathname.split('/')[1];
var annotations = JSON.parse(localStorage[id + '.annotations'] || '[]')
var currentPage = 1, rendered = false
function getID() {
var id = 0;
while (annotations.filter(function(a) {
return a.id == id
}).length) {
id++
Ox.load({
'UI': {
loadCSS: false
}
return id
}
}, function() {
Ox.$parent.bindMessage(function(data, event) {
console.log('got', event, 'data', data)
if (event == 'selectAnnotation') {
var annotation = annotations.filter(function(a) { return a.id == data.id })[0]
if (
annotation &&
annotation.page &&
PDFViewerApplication.pdfViewer.currentPageNumber != annotation.page
) {
//FIXME: scroll into view
PDFViewerApplication.pdfViewer.currentPageNumber = annotation.page;
}
selectAnnotation(data.id)
}
})
setTimeout(function() {
annotations.forEach(function(a) {
Ox.$parent.postMessage('addAnnotation', a)
})
}, 1000)
})
window.addEventListener('keydown', function(event) {
if (event.key == 'Delete') {
var selected = document.querySelector('.oml-annotation.selected')
if (selected) {
removeAnnotation(selected.dataset.id)
Ox.$parent.postMessage('removeAnnotation', {id: selected.dataset.id})
}
} else if (event.key == 'n') {
if (!window.getSelection().isCollapsed) {
@ -36,28 +54,36 @@ function bindEvents() {
return
}
PDFViewerApplication.eventBus.on('pagerendered', function(event) {
var pageIndex = event.pageNumber - 1
loadAnnotations(pageIndex)
loadAnnotations(event.pageNumber)
})
}
bindEvents()
function getHighlight() {
var pageIndex = PDFViewerApplication.pdfViewer.currentPageNumber - 1;
var pageNumber = PDFViewerApplication.pdfViewer.currentPageNumber;
var pageIndex = pageNumber - 1;
var page = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
var pageRect = page.canvas.getClientRects()[0];
var selectionRects = window.getSelection().getRangeAt(0).getClientRects();
var selection = window.getSelection()
var selectionRects = selection.getRangeAt(0).getClientRects();
var viewport = page.viewport;
var selected = Array.from(selectionRects).map(function (r) {
return viewport.convertToPdfPoint(r.left - pageRect.x, r.top - pageRect.y).concat(
viewport.convertToPdfPoint(r.right - pageRect.x, r.bottom - pageRect.y));
});
return {page: pageIndex, coords: selected, id: getID()};
var text = selection.toString();
return {
created: (new Date).toISOString(),
page: pageNumber,
coords: selected,
text: text,
id: Ox.SHA1(pageNumber.toString() + JSON.stringify(selected))
};
}
function renderAnnotation(annotation) {
var pageIndex = annotation.page;
var pageIndex = annotation.page - 1;
var page = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
if (!page.canvas) {
setTimeout(function() {
@ -81,8 +107,10 @@ function renderAnnotation(annotation) {
el.addEventListener('click', function() {
if (el.classList.contains('selected')) {
deselectAnnotation(annotation.id)
Ox.$parent.postMessage('deselectAnnotation', {id: annotation.id})
} else {
selectAnnotation(annotation.id)
Ox.$parent.postMessage('selectAnnotation', {id: annotation.id})
}
});
pageElement.appendChild(el);
@ -91,10 +119,15 @@ function renderAnnotation(annotation) {
function addAnnotation(annotation) {
annotations.push(annotation)
Ox.$parent.postMessage('addAnnotation', annotation)
saveAnnotations()
}
function selectAnnotation(id) {
document.querySelectorAll('.oml-annotation.selected').forEach(function(g) {
g.classList.remove('selected')
g.style.backgroundColor = 'yellow'
})
document.querySelectorAll('.oml-annotation.a' + id).forEach(function(g) {
g.classList.add('selected')
g.style.backgroundColor = 'blue'
@ -121,12 +154,12 @@ function saveAnnotations() {
localStorage[id + '.annotations'] = JSON.stringify(annotations)
}
function loadAnnotations(pageIndex) {
document.querySelectorAll('.oml-annotation.page' + pageIndex).forEach(function(e) {
function loadAnnotations(page) {
document.querySelectorAll('.oml-annotation.page' + page).forEach(function(e) {
e.remove()
})
annotations.filter(function(a) {
return a.page == pageIndex
return a.page == page
}).forEach(function(annot) {
renderAnnotation(annot)
})