316 lines
8.7 KiB
JavaScript
316 lines
8.7 KiB
JavaScript
var NoteList = {
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notes_path: null,
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target_params: null,
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target_id: 0,
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target_type: null,
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top_id: 0,
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bottom_id: 0,
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loading_more_disabled: false,
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reversed: false,
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init:
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function(tid, tt, path) {
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this.notes_path = path + ".js";
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this.target_id = tid;
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this.target_type = tt;
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this.reversed = $("#notes-list").is(".reversed");
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this.target_params = "target_type=" + this.target_type + "&target_id=" + this.target_id;
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// get initial set of notes
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this.getContent();
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$("#notes-list, #new-notes-list").on("ajax:success", ".delete-note", function() {
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$(this).closest('li').fadeOut(function() {
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$(this).remove();
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NoteList.updateVotes();
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});
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});
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$(".note-form-holder").on("ajax:before", function(){
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$(".submit_note").disable();
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})
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$(".note-form-holder").on("ajax:complete", function(){
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$(".submit_note").enable();
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$('#preview-note').hide();
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$('#note_note').show();
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})
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disableButtonIfEmptyField(".note-text", ".submit_note");
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$("#note_attachment").change(function(e){
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var val = $('.input-file').val();
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var filename = val.replace(/^.*[\\\/]/, '');
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$(".file_name").text(filename);
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});
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if(this.reversed) {
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var textarea = $(".note-text");
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$('.note_advanced_opts').hide();
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textarea.css("height", "40px");
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textarea.on("focus", function(){
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$(this).css("height", "80px");
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$('.note_advanced_opts').show();
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});
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}
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// Setup note preview
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$(document).on('click', '#preview-link', function(e) {
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$('#preview-note').text('Loading...');
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$(this).text($(this).text() === "Edit" ? "Preview" : "Edit");
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var note_text = $('#note_note').val();
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if(note_text.trim().length === 0) {
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$('#preview-note').text('Nothing to preview.');
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} else {
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$.post($(this).attr('href'), {note: note_text}).success(function(data) {
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$('#preview-note').html(data);
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});
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}
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$('#preview-note, #note_note').toggle();
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e.preventDefault();
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});
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},
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/**
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* Handle loading the initial set of notes.
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* And set up loading more notes when scrolling to the bottom of the page.
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*/
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/**
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* Gets an inital set of notes.
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*/
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getContent:
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function() {
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$.ajax({
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type: "GET",
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url: this.notes_path,
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data: this.target_params,
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complete: function(){ $('.notes-status').removeClass("loading")},
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beforeSend: function() { $('.notes-status').addClass("loading") },
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dataType: "script"});
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},
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/**
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* Called in response to getContent().
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* Replaces the content of #notes-list with the given html.
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*/
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setContent:
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function(first_id, last_id, html) {
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this.top_id = first_id;
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this.bottom_id = last_id;
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$("#notes-list").html(html);
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// init infinite scrolling
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this.initLoadMore();
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// init getting new notes
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if (this.reversed) {
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this.initRefreshNew();
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}
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},
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/**
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* Handle loading more notes when scrolling to the bottom of the page.
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* The id of the last note in the list is in this.bottom_id.
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*
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* Set up refreshing only new notes after all notes have been loaded.
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*/
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/**
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* Initializes loading more notes when scrolling to the bottom of the page.
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*/
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initLoadMore:
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function() {
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$(document).endlessScroll({
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bottomPixels: 400,
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fireDelay: 1000,
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fireOnce:true,
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ceaseFire: function() {
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return NoteList.loading_more_disabled;
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},
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callback: function(i) {
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NoteList.getMore();
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}
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});
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},
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/**
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* Gets an additional set of notes.
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*/
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getMore:
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function() {
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// only load more notes if there are no "new" notes
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$('.loading').show();
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$.ajax({
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type: "GET",
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url: this.notes_path,
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data: this.target_params + "&loading_more=1&" + (this.reversed ? "before_id" : "after_id") + "=" + this.bottom_id,
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complete: function(){ $('.notes-status').removeClass("loading")},
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beforeSend: function() { $('.notes-status').addClass("loading") },
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dataType: "script"});
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},
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/**
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* Called in response to getMore().
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* Append notes to #notes-list.
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*/
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appendMoreNotes:
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function(id, html) {
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if(id != this.bottom_id) {
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this.bottom_id = id;
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$("#notes-list").append(html);
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}
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},
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/**
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* Called in response to getMore().
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* Disables loading more notes when scrolling to the bottom of the page.
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* Initalizes refreshing new notes.
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*/
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finishedLoadingMore:
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function() {
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this.loading_more_disabled = true;
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// from now on only get new notes
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if (!this.reversed) {
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this.initRefreshNew();
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}
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// make sure we are up to date
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this.updateVotes();
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},
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/**
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* Handle refreshing and adding of new notes.
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*
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* New notes are all notes that are created after the site has been loaded.
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* The "old" notes are in #notes-list the "new" ones will be in #new-notes-list.
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* The id of the last "old" note is in this.bottom_id.
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*/
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/**
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* Initializes getting new notes every n seconds.
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*/
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initRefreshNew:
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function() {
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setInterval("NoteList.getNew()", 10000);
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},
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/**
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* Gets the new set of notes.
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*/
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getNew:
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function() {
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$.ajax({
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type: "GET",
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url: this.notes_path,
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data: this.target_params + "&loading_new=1&after_id=" + (this.reversed ? this.top_id : this.bottom_id),
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dataType: "script"});
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},
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/**
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* Called in response to getNew().
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* Replaces the content of #new-notes-list with the given html.
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*/
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replaceNewNotes:
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function(html) {
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$("#new-notes-list").html(html);
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this.updateVotes();
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},
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/**
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* Adds a single note to #new-notes-list.
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*/
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appendNewNote:
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function(id, html) {
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if (this.reversed) {
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$("#new-notes-list").prepend(html);
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} else {
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$("#new-notes-list").append(html);
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}
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this.updateVotes();
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},
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/**
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* Recalculates the votes and updates them (if they are displayed at all).
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*
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* Assumes all relevant notes are displayed (i.e. there are no more notes to
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* load via getMore()).
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* Might produce inaccurate results when not all notes have been loaded and a
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* recalculation is triggered (e.g. when deleting a note).
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*/
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updateVotes:
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function() {
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var votes = $("#votes .votes");
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var notes = $("#notes-list, #new-notes-list").find(".note .vote");
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// only update if there is a vote display
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if (votes.size()) {
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var upvotes = notes.filter(".upvote").size();
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var downvotes = notes.filter(".downvote").size();
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var votesCount = upvotes + downvotes;
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var upvotesPercent = votesCount ? (100.0 / votesCount * upvotes) : 0;
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var downvotesPercent = votesCount ? (100.0 - upvotesPercent) : 0;
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// change vote bar lengths
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votes.find(".bar-success").css("width", upvotesPercent+"%");
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votes.find(".bar-danger").css("width", downvotesPercent+"%");
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// replace vote numbers
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votes.find(".upvotes").text(votes.find(".upvotes").text().replace(/\d+/, upvotes));
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votes.find(".downvotes").text(votes.find(".downvotes").text().replace(/\d+/, downvotes));
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}
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}
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};
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var PerLineNotes = {
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init:
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function() {
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/**
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* Called when clicking on the "add note" or "reply" button for a diff line.
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*
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* Shows the note form below the line.
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* Sets some hidden fields in the form.
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*/
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$(".diff_file_content").on("click", ".line_note_link, .line_note_reply_link", function(e) {
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var form = $(".per_line_form");
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$(this).closest("tr").after(form);
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form.find("#note_line_code").val($(this).data("lineCode"));
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form.show();
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e.preventDefault();
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});
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disableButtonIfEmptyField(".line-note-text", ".submit_inline_note");
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/**
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* Called in response to successfully deleting a note on a diff line.
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*
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* Removes the actual note from view.
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* Removes the reply button if the last note for that line has been removed.
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*/
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$(".diff_file_content").on("ajax:success", ".delete-note", function() {
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var trNote = $(this).closest("tr");
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trNote.fadeOut(function() {
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$(this).remove();
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});
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// check if this is the last note for this line
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// elements must really be removed for this to work reliably
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var trLine = trNote.prev();
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var trRpl = trNote.next();
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if (trLine.is(".line_holder") && trRpl.is(".reply")) {
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trRpl.fadeOut(function() { $(this).remove(); });
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}
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});
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}
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}
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