428 lines
14 KiB
JavaScript
428 lines
14 KiB
JavaScript
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PDFJS.reader.NotesController = function(book) {
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var book = this.book,
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reader = this,
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eventBus = this.eventBus,
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$notesView = $("#notesView"),
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$notes = $("#notes"),
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$text = $("#note-text"),
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$anchor = $("#note-anchor"),
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$next = $("#next"),
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$prev = $("#prev"),
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$touch_nav = $("#touch_nav"),
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$viewer = $("#viewer"),
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annotations = reader.settings.annotations,
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renderer = book.renderer,
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popups = [];
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var show = function() {
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$notesView.addClass('open');
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$text.focus();
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};
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var hide = function() {
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$notesView.removeClass('open');
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};
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$text.on("keydown", function(e) {
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e.stopPropagation();
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});
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var insertAtPoint = function(e) {
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var range,
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textNode,
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offset,
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doc = document,
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loc,
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annotation;
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// standard
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if (doc.caretPositionFromPoint) {
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range = doc.caretPositionFromPoint(e.clientX, e.clientY);
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textNode = range.offsetNode;
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offset = range.offset;
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// WebKit
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} else if (doc.caretRangeFromPoint) {
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range = doc.caretRangeFromPoint(e.clientX, e.clientY);
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textNode = range.startContainer;
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offset = range.startOffset;
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}
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console.log("textNode", textNode, "offset", offset);
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console.log(e);
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if (textNode.nodeType !== 3) {
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for (var i=0; i < textNode.childNodes.length; i++) {
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if (textNode.childNodes[i].nodeType == 3) {
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textNode = textNode.childNodes[i];
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break;
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}
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}
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}
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// Find the end of the sentence
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offset = textNode.textContent.indexOf(".", offset);
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if(offset === -1){
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offset = textNode.length; // Last item
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} else {
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offset += 1; // After the period
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}
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loc = "";
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annotation = new reader.Annotation('annotation', loc, $text.val());
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// save...
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reader.addAnnotation(annotation);
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// show...
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addAnnotationItem(annotation);
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// add marker...
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placeMarker(annotation);
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// clear entry
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$text.val('');
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$anchor.removeClass("icon-location_off");
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$anchor.addClass("icon-room");
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$text.prop("disabled", false);
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book.off("renderer:click", insertAtPoint);
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};
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var addAnnotationItem = function(annotation) {
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$notes.append(createItem(annotation));
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//reader.settings.session.setBookmark(annotation.id, annotation.anchor, annotation.type, annotation);
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};
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var removeAnnotation = function (id) {
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if (annotations[id] !== undefined) {
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if (annotations[id].type == "bookmark")
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eventBus.dispatch("bookmarkremoved", {
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source: this,
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id: id
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});
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deleteAnnotationItem(id);
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delete annotations[id];
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reader.settings.session.deleteBookmark(id);
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}
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};
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var deleteAnnotationItem = function (id) {
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var item = document.getElementById(id);
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if (item)
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item.remove();
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};
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/* items are HTML-representations of annotations */
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var createItem = function(annotation){
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var item = document.createElement("li");
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var text = document.createElement("div");
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var date = document.createElement("div");
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var edit = document.createElement("span");
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var del = document.createElement("span");
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var link = document.createElement("a");
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var div = document.createElement("div");
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var save = document.createElement("span");
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var cancel = document.createElement("span");
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text.textContent = annotation.body;
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date.textContent = new Date(annotation.edited).toUTCString();
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item.classList.add("note");
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del.classList.add("item-delete", "item-control", "icon-delete");
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edit.classList.add("item-edit", "item-control", "icon-rate_review");
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link.classList.add("note-link");
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//link.classList.add("note-link", "icon-link2");
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date.classList.add("item-date");
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del.setAttribute("title", "delete");
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edit.setAttribute("title", "edit");
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link.setAttribute("title", "context");
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item.setAttribute("id", annotation.id);
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save.classList.add("item-save", "edit-control", "hide", "icon-check");
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cancel.classList.add("item-cancel", "edit-control", "hide", "icon-close");
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save.setAttribute("display", "none");
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cancel.setAttribute("display", "none");
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link.href = "#"+annotation.anchor;
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link.textContent = "Page " + annotation.anchor;
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link.onclick = function(){
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reader.queuePage(annotation.anchor);
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return false;
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};
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if (!annotation.readonly) {
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del.onclick = function() {
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var id = this.parentNode.parentNode.getAttribute("id");
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deleteAnnotationItem(id);
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reader.removeAnnotation(id);
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};
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save.onclick = function() {
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var id = this.parentNode.parentNode.getAttribute("id");
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var annotation = annotations[id];
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var text = this.parentNode.parentNode.firstChild;
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try {
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annotation.body = text.textContent;
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reader.updateAnnotation(annotation);
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} catch (e) {
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console.log("Updating annotation failed: " + e);
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}
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closeEditor(id);
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};
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cancel.onclick = function () {
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var id = this.parentNode.parentNode.getAttribute("id");
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var text = this.parentNode.parentNode.firstChild;
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text.textContent = annotations[id].body;
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closeEditor(id);
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};
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edit.onclick = function() {
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openEditor(this.parentNode.parentNode.getAttribute("id"));
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};
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div.appendChild(cancel);
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div.appendChild(save);
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div.appendChild(del);
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div.appendChild(edit);
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}
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div.appendChild(link);
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item.appendChild(text);
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if (!annotation.readonly)
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item.appendChild(date);
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item.appendChild(div);
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return item;
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};
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var editAnnotation = function (e) {
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var text = e.target;
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var id = text.parentNode.getAttribute("id");
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if (e.keyCode === 27) { // escape - cancel editor, discard changes
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text.textContent = annotations[id].body;
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closeEditor(id);
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}
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e.stopPropagation();
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};
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var openEditor = function(id) {
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var item = document.getElementById(id);
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var text = item.firstChild;
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$(item).find(".item-control").toggleClass("hide");
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$(item).find(".edit-control").toggleClass("hide");
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text.setAttribute("contenteditable", "true");
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text.classList.add("editable");
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text.addEventListener("keydown", editAnnotation, false);
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};
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var closeEditor = function (id) {
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var item = document.getElementById(id);
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var text = item.firstChild;
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$(item).find(".item-control").toggleClass("hide");
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$(item).find(".edit-control").toggleClass("hide");
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text.classList.remove("editable");
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text.removeAttribute("contenteditable");
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text.removeEventListener("keydown", editAnnotation, false);
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};
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var findIndex = function (id) {
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// list has items
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var i,
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list = $notes[0].getElementsByTagName("li");
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for (i = 0; i < list.length; i++) {
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if (list[i].getAttribute("id") === id)
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break;
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}
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return i+1;
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};
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var placeMarker = function(annotation){
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var doc = book.renderer.doc,
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marker = document.createElement("span"),
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mark = document.createElement("a");
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marker.classList.add("note-marker", "footnotesuperscript", "reader_generated");
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marker.id = "note-" + annotation.id;
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mark.innerHTML = findIndex(annotation.id) + "[Reader]";
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marker.appendChild(mark);
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// epubcfi.addMarker(annotation.anchor, doc, marker);
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markerEvents(marker, annotation.body);
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renumberMarkers();
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}
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var markerEvents = function(item, txt){
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var id = item.id;
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var showPop = function(){
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var poppos,
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iheight = renderer.height,
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iwidth = renderer.width,
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tip,
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pop,
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maxHeight = 225,
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itemRect,
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left,
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top,
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pos;
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//-- create a popup with endnote inside of it
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if(!popups[id]) {
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popups[id] = document.createElement("div");
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popups[id].setAttribute("class", "popup");
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pop_content = document.createElement("div");
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popups[id].appendChild(pop_content);
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pop_content.innerHTML = txt;
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pop_content.setAttribute("class", "pop_content");
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renderer.render.document.body.appendChild(popups[id]);
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//-- TODO: will these leak memory? - Fred
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popups[id].addEventListener("mouseover", onPop, false);
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popups[id].addEventListener("mouseout", offPop, false);
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//-- Add hide on page change
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renderer.on("renderer:locationChanged", hidePop, this);
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renderer.on("renderer:locationChanged", offPop, this);
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// chapter.book.on("renderer:chapterDestroy", hidePop, this);
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}
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pop = popups[id];
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//-- get location of item
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itemRect = item.getBoundingClientRect();
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left = itemRect.left;
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top = itemRect.top;
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//-- show the popup
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pop.classList.add("show");
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//-- locations of popup
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popRect = pop.getBoundingClientRect();
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//-- position the popup
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pop.style.left = left - popRect.width / 2 + "px";
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pop.style.top = top + "px";
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//-- Adjust max height
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if(maxHeight > iheight / 2.5) {
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maxHeight = iheight / 2.5;
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pop_content.style.maxHeight = maxHeight + "px";
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}
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//-- switch above / below
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if(popRect.height + top >= iheight - 25) {
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pop.style.top = top - popRect.height + "px";
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pop.classList.add("above");
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}else{
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pop.classList.remove("above");
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}
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//-- switch left
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if(left - popRect.width <= 0) {
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pop.style.left = left + "px";
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pop.classList.add("left");
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}else{
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pop.classList.remove("left");
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}
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//-- switch right
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if(left + popRect.width / 2 >= iwidth) {
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//-- TEMP MOVE: 300
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pop.style.left = left - 300 + "px";
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popRect = pop.getBoundingClientRect();
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pop.style.left = left - popRect.width + "px";
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//-- switch above / below again
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if(popRect.height + top >= iheight - 25) {
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pop.style.top = top - popRect.height + "px";
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pop.classList.add("above");
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}else{
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pop.classList.remove("above");
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}
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pop.classList.add("right");
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}else{
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pop.classList.remove("right");
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}
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}
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var onPop = function(){
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popups[id].classList.add("on");
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}
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var offPop = function(){
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popups[id].classList.remove("on");
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}
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var hidePop = function(){
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setTimeout(function(){
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popups[id].classList.remove("show");
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}, 100);
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}
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var openSidebar = function(){
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reader.SidebarController.changePanelTo('Notes');
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reader.SidebarController.show();
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};
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item.addEventListener("mouseover", showPop, false);
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item.addEventListener("mouseout", hidePop, false);
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item.addEventListener("click", openSidebar, false);
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}
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$anchor.on("click", function(e){
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if ($anchor[0].classList.contains("icon-room")) {
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$anchor.removeClass("icon-room");
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$anchor.addClass("icon-location_off");
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$text.prop("disabled", true);
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// disable extra-wide navigation as it interferes with anchor placment
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if ($prev.hasClass("touch_nav")) {
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$prev.removeClass("touch_nav");
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$next.removeClass("touch_nav");
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$prev.addClass("restore_touch_nav");
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}
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// listen for selection
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$viewer.on("click", insertAtPoint);
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} else {
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$text.prop("disabled", false);
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$anchor.removeClass("icon-location_off");
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$anchor.addClass("icon-room");
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if ($prev.hasClass("restore_touch_nav")) {
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$prev.removeClass("restore_touch_nav");
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$prev.addClass("touch_nav");
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$next.addClass("touch_nav");
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}
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$viewer.off("click", insertAtPoint);
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}
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});
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for (var note in annotations) {
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if (annotations.hasOwnProperty(note) && (annotations[note].type === "annotation"))
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addAnnotationItem(annotations[note]);
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};
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return {
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"show" : show,
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"hide" : hide,
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"createItem": createItem,
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"addItem" : addAnnotationItem,
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"removeAnnotation" : removeAnnotation
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};
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};
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