gitlabhq/app/assets/javascripts/notes.js
2012-12-03 22:51:56 +01:00

324 lines
9 KiB
JavaScript

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