Files
edx-platform/common/static/js/vendor/ova/diacritic-annotator.js
lduarte1991 b83e27fc9d Diacritic Plugin for Annotator Tool: Pull-request Fixes
Making sure extension comes after annotator css
2014-06-02 10:45:29 -04:00

271 lines
9.8 KiB
JavaScript

/*
Diacritic Annotator Plugin v1.0 (https://github.com/lduarte1991/diacritic-annotator)
Copyright (C) 2014 Luis F Duarte
License: https://github.com/lduarte1991/diacritic-annotator/blob/master/LICENSE.rst
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
var _ref;
var __bind = function(fn, me){
return function(){
return fn.apply(me, arguments);
};
};
var __hasProp = {}.hasOwnProperty;
var __extends = function(child, parent) {
for (var key in parent) {
if (__hasProp.call(parent, key))
child[key] = parent[key];
}
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
child.__super__ = parent.prototype;
return child;
};
Annotator.Plugin.Diacritics = (function(_super) {
__extends(Diacritics, _super);
//Options will include diacritic name, picture used, baseline
Diacritics.prototype.options = null;
Diacritics.prototype.diacriticmarks = null;
/**
* Declares all the functions and variables that the plugin will need.
* @constructor
*/
function Diacritics(element,options) {
this.pluginSubmit = __bind(this.pluginSubmit, this);
this.updateDiacritics = __bind(this.updateDiacritics, this);
this.updateViewer = __bind(this.updateViewer, this);
this.getDiacritics = __bind(this.getDiacritics, this);
this.getPos = __bind(this.getPos, this);
this.putMarkAtLocation = __bind(this.putMarkAtLocation, this);
this.updateEditorForDiacritics =
__bind(this.updateEditorForDiacritics, this);
this.options = options;
this.diacriticmarks = this.getDiacritics();
_ref = Diacritics.__super__.constructor.apply(this, arguments);
return _ref;
}
//example variables to be used to receive input in the annotator view
Diacritics.prototype.field = null;
Diacritics.prototype.input = null;
/**
* Initalizes the Plug-in for diacritic marks. It adds in the field for the mark
* and sets up listeners from the Annotator.js file to make changes as needed
*/
Diacritics.prototype.pluginInit = function() {
//Check that annotator is working
if (!Annotator.supported()) {
return;
}
var di = this.diacriticmarks;
//-- Editor
var self = this;
if(di != 'undefined'){
$.each(di,function(item){
self.field = self.annotator.editor.addField({
//options (textarea,input,select,checkbox)
type: 'checkbox',
label: Annotator._t(item),
submit: self.pluginSubmit,
});
});
//-- Viewer
this.annotator.viewer.addField({
load: this.updateViewer,
});
this.annotator.subscribe('annotationsLoaded', this.updateDiacritics);
this.annotator.subscribe('annotationUploaded', this.updateDiacritics);
this.annotator.subscribe('annotationDeleted', this.updateDiacritics);
this.annotator.subscribe('annotationUpdated', this.updateDiacritics);
this.annotator.subscribe('annotationEditorShown', this.updateEditorForDiacritics, this.field);
$(window).resize(this.updateDiacritics.bind(this));
}
return this.input = $(this.field).find(':input');
};
/**
* Adds or removes tag from checked/unchecked boxes of diacritics available
* @param field {Object} - element which holds editor
* @param annotation {Object} - object that contains annotation information from database
*/
Diacritics.prototype.pluginSubmit = function(field, annotation) {
var checkedItems = $(this.field).find(':input');
var self = this;
$.each(checkedItems, function(item){
if(typeof annotation.tags != 'undefined'){
var index = $.inArray(checkedItems[item].placeholder, annotation.tags);
if(index != -1){
annotation.tags.splice(index, 1);
var annotatorWrapper = $('.annotator-wrapper').first();
var element = annotatorWrapper.find('div.' + annotation.id);
if(!element.length){
element = annotatorWrapper.find('div.undefined');
}
element.remove();
}
if(checkedItems[item].checked === true){
annotation.tags.unshift(checkedItems[item].placeholder);
self.putMarkAtLocation(annotation, checkedItems[item].placeholder);
}
} else {
if(checkedItems[item].checked === true){
annotation.tags = [checkedItems[item].placeholder];
self.putMarkAtLocation(annotation, checkedItems[item].placeholder);
}
}
});
};
/**
* Draws the mark above a specific annotation
* @param annotation {Object} - location where mark should go
* @param mark {string}- type of mark that should go above annotation
*/
Diacritics.prototype.putMarkAtLocation = function (annotation, mark){
var loc = this.getPos(annotation.highlights[0]);
var alignment = this.diacriticmarks[mark][1];
var imgurl = this.diacriticmarks[mark][0];
var top;
switch(alignment){
case 'top':
top = (loc.y-5);
break;
case 'bottom':
top = (loc.y + loc.height-5);
break;
default:
top = loc.y;
}
$('<div></div>').addClass('mark ' + annotation.id).css({
'top': top,
'left': loc.x + (0.5 * loc.width) - 5,
'background-image': 'url(' + imgurl +')',
}).appendTo('.annotator-wrapper');
};
/**
* Gets the Diacritics from the instantiation in studio
* @returns An object with the diacritics instantiated
*/
Diacritics.prototype.getDiacritics = function(){
var diacritics = {};
var diacriticsList;
if(typeof this.options.diacritics != 'undefined'){
diacriticsList = this.options.diacritics.split(",");
$.each(diacriticsList, function(key, item){
var temp = item.split(";");
if (temp.length > 2) {
diacritics[temp[0]] = [temp[1], temp[2]];
}
});
}
return diacritics;
};
/**
* Gets the position of a specific element given the wrapper
* @param el {Object} - element you are trying to get the position of
*/
Diacritics.prototype.getPos = function(el) {
var element = $(el),
elementOffset = element.offset(),
annotatorOffset = $('.annotator-wrapper').offset();
return {
x: elementOffset.left - annotatorOffset.left,
y: elementOffset.top - annotatorOffset.top,
width: element.width(),
height: element.height()
};
};
/**
* Redraws the marks above annotations by cycling through tags
*/
Diacritics.prototype.updateDiacritics = function(){
$('.mark').remove();
var annotations = this.annotator.plugins.Store.annotations;
var self = this;
$.each(annotations, function(key, annotation){
$.each(self.diacriticmarks, function(tag){
if($.inArray(tag, annotation.tags) != -1){
self.putMarkAtLocation(annotation, tag);
}
});
});
};
/**
* Removes unnecessary field that Annotator automatically adds to popup
* @param {Object} field - the html element that represents the popup
* @param {Object} annotation - the annotation element that holds metadata
*/
Diacritics.prototype.updateViewer = function(field, annotation){
$(field).remove();
};
/**
* Function for adding Diacritic choices to the annotator popup
* @param {Object} field - the html element that represents the popup
* @param {Object} annotation - the annotation element that holds metadata
*/
Diacritics.prototype.updateEditorForDiacritics =
function(field, annotation){
// if no tags are present, no need to go through this
if (typeof annotation.tags == 'undefined'){
return;
}
var inputItems = $(this.field).find(':input');
var dictOfItems = {};
var self = this;
// add each diacritic mark to a dictionary and default to off
$.each(inputItems, function(key,item){
item.checked = false;
dictOfItems[item.placeholder] = item;
});
// match tags to diacritics and check off the ones that are true
$.each(annotation.tags, function(key,tag){
if(self.diacriticmarks[tag]){
dictOfItems[tag].checked = true;
}
});
};
return Diacritics;
})(Annotator.Plugin);