Sindbad~EG File Manager
/**
* This file is part of Moodle - http://moodle.org/
*
* Moodle 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 3 of the License, or
* (at your option) any later version.
*
* Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
*
* @package
* @copyright Copyright (c) 2015 Open LMS (https://www.openlms.net)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define(['jquery', 'core/log', 'core/ajax', 'core/notification', 'theme_snap/ajax_notification'],
function($, log, ajax, notification, ajaxNotify) {
// TODO - in Moodle 3.1 we should use the core template for this.
var addCoverImageAlert = function(id, msg, position = null) {
if (position === "dialogue") {
var alertPosition = '.snap_cover_image_description';
} else {
var alertPosition = '#snap-coverimagecontrol';
}
var closestr = M.util.get_string('closebuttontitle', 'moodle');
if (!$(id).length) {
$(alertPosition).before(
'<div id="' + id + '" class="snap-alert-cover-image alert alert-warning" role="alert">' +
msg +
'<button type="button" class="close" data-dismiss="alert" aria-label="' + closestr + '">' +
'<span aria-hidden="true">×</span>' +
'</button>' +
'</div>'
);
}
};
/**
* Get human file size from bytes.
* http://stackoverflow.com/questions/10420352/converting-file-size-in-bytes-to-human-readable.
* @param {int} size
* @returns {string}
*/
var humanFileSize = function(size) {
var i = Math.floor(Math.log(size) / Math.log(1024));
return (size / Math.pow(1024, i)).toFixed(2) * 1 + ' ' + ['B', 'kB', 'MB', 'GB', 'TB'][i];
};
/**
* First state - image selection button visible.
*/
var state1 = function() {
$('#snap-changecoverimageconfirmation .ok').removeClass('ajaxing');
$('#snap-alert-cover-image-size').remove();
$('#snap-alert-cover-image-bytes').remove();
$('label[for="snap-coverfiles"]').removeClass('ajaxing');
$('#snap-changecoverimageconfirmation').removeClass('state-visible');
$('label[for="snap-coverfiles"]').addClass('state-visible');
$('#snap-coverfiles').val('');
$('body').removeClass('cover-image-change');
};
/**
* Second state - confirm / cancel buttons visible.
*/
var state2 = function() {
$('#snap-alert-cover-image-upload-failed').remove();
$('#snap-changecoverimageconfirmation').removeClass('disabled');
$('label[for="snap-coverfiles"]').removeClass('state-visible');
$('#snap-changecoverimageconfirmation').addClass('state-visible');
$('body').removeClass('cover-image-change');
};
/**
* Moodle dialogue box.
* @param {string} courseShortName
* @param {int} categoryId
* @param {object} fpoptions
* @param {int} siteMaxBytes
*/
var moodledialogue = function(courseShortName, categoryId, fpoptions, siteMaxBytes) {
var maxbytesstr = humanFileSize(siteMaxBytes);
let title = M.util.get_string('imageproperties', 'theme_snap');
let coverImageDesc = M.util.get_string('coverimagedesc', 'theme_snap', maxbytesstr);
let browseRepositories = M.util.get_string('browserepositories', 'theme_snap');
let saveImage = M.util.get_string('saveimage', 'theme_snap');
let content =
'<div class="mb-1 snap_cover_image_dialogue">' +
'<p class="snap_cover_image_description">' + coverImageDesc + '</p>' +
'<div class="input-group input-append w-100 snap_cover_image_browser_options">' +
'<button class="btn btn-secondary snap_cover_image_browser" id="id_snap_cover_image_browser">' +
browseRepositories + '</button>' +
'</div>' +
// Add the image preview.
'<div class="mdl-align">' +
'<div class="snap_cover_image_preview_box">' +
'<img id="id_snap_cover_image_preview" class="snap_cover_image_preview" alt="" style="display: none;"/>' +
'</div>' +
'</div>' +
// Add the save button.
'<div class="snap_cover_image_save">' +
'<button class="btn btn-secondary snap_cover_image_save_button" id="id_snap_cover_image_save_button"' +
'disabled>' + saveImage + '</button>' +
'</div>' +
'</div>';
var dialogue = new M.core.dialogue({
headerContent: title,
bodyContent: content,
width: '600px',
modal: true,
visible: false,
render: true,
additionalBaseClass: 'snap_cover_image_dialogue',
});
dialogue.show();
$('body').addClass('cover-image-change');
$('label[for="snap-coverfiles"]').addClass('ajaxing');
$('#id_snap_cover_image_browser').click(function(e) {
e.preventDefault();
showFilepicker('image', fpoptions, filepickerCallback(courseShortName, categoryId));
});
$('#id_snap_cover_image_save_button').click(function() {
dialogue.hide();
});
$('.snap_cover_image_dialogue .closebutton, .moodle-dialogue-lightbox').click(function() {
state1();
});
dialogue.after("visibleChange", function() {
if ($('#snap-changecoverimageconfirmation .ok').hasClass('ajaxing')) {
state2();
}
if (!dialogue.get('visible')) {
dialogue.destroy(true);
}
});
};
/**
* Load the image in the preview box.
* @param {object} params
* @param {string} courseShortName
* @param {int} categoryId
*/
var loadPreviewImage = function(params, courseShortName, categoryId) {
var image = new Image();
image.onerror = function() {
var preview = document.getElementById('id_snap_cover_image_preview');
preview.setAttribute('style', 'display:none');
};
image.onload = function() {
var input;
var imageWidth = this.width;
input = document.getElementById('id_snap_cover_image_preview');
input.setAttribute('src', params.url);
input.setAttribute('style', 'display:inline');
$('.snap_cover_image_save_button').prop("disabled", false);
// Warn if image resolution is too small.
if (imageWidth < 1024) {
$('#snap-alert-cover-image-size').remove();
addCoverImageAlert('snap-alert-cover-image-size',
M.util.get_string('error:coverimageresolutionlow', 'theme_snap'),
'dialogue'
);
} else {
$('#snap-alert-cover-image-size').remove();
}
$('#id_snap_cover_image_save_button').click(function() {
// Ensure that the page-header in courses has the mast-image class.
$('.path-course-view #page-header').addClass('mast-image');
$('.path-course-view #page-header .breadcrumb-item a').addClass('mast-breadcrumb');
$('#page-header').css('background-image', 'url(' + params.url + ')');
state2();
saveImage(params, courseShortName, categoryId);
});
};
image.src = params.url;
};
/**
* Callback for file picker.
* @param {string} courseShortName
* @param {int} categoryId
*/
var filepickerCallback = function(courseShortName, categoryId) {
return function(params) {
if (params.url !== '') {
// Load the preview image.
loadPreviewImage(params, courseShortName, categoryId);
}
};
};
/**
* Create file picker.
* @param {string} type
* @param {object} fpoptions
* @param {Function} callback
*/
var showFilepicker = function(type, fpoptions, callback) {
Y.use('core_filepicker', function(Y) {
var options = fpoptions;
options.formcallback = callback;
M.core_filepicker.show(Y, options);
});
};
/**
* Save image after confirmation.
* @param {object} params
* @param {string} courseShortName
* @param {int} categoryId
*/
var saveImage = function(params, courseShortName, categoryId) {
$('#snap-changecoverimageconfirmation .ok').click(function() {
var ajaxParams = {};
if (categoryId !== null) {
ajaxParams.categoryid = categoryId;
} else if (courseShortName !== null) {
ajaxParams.courseshortname = courseShortName;
} else {
return;
}
if (params.id !== undefined) {
ajaxParams.fileid = params.id;
} else {
var fileNameWithoutSpaces = params.file.replace(/ .*/, "");
var regex = new RegExp("draft\\/(\\d+)\\/" + fileNameWithoutSpaces, "g");
var urlId = params.url.match(regex);
ajaxParams.fileid = urlId[0].match(/\d+/)[0];
}
ajaxParams.imagefilename = params.file;
ajax.call([
{
methodname: 'theme_snap_cover_image',
args: {params: ajaxParams},
done: function(response) {
state1();
if (response.contrast) {
addCoverImageAlert('snap-alert-cover-image-size',
response.contrast
);
}
if (!response.success && response.warning) {
addCoverImageAlert('snap-alert-cover-image-upload-failed', response.warning);
}
$('#snap-changecoverimageconfirmation .ok').off("click");
},
fail: function(response) {
state1();
ajaxNotify.ifErrorShowBestMsg(response);
}
}
], true, true);
});
$('#snap-changecoverimageconfirmation .cancel').click(function() {
if ($(this).parent().hasClass('disabled')) {
return;
}
$('#page-header').css('background-image', $('#page-header').data('servercoverfile'));
$('.path-course-view #page-header').removeClass('mast-image');
state1();
});
};
/**
*
* @param {object} ajaxParams
* @param {string} courseShortName
* @param {int} categoryId
* @param {int} siteMaxBytes
*/
var coverImage = function(ajaxParams, courseShortName = null, categoryId = null, siteMaxBytes) {
if (courseShortName === null && categoryId === null) {
return;
}
ajax.call([
{
methodname: 'theme_snap_file_manager_options',
args: [],
done: function(data) {
var fpoptions = JSON.parse(data.fpoptions);
// Take a backup of what the current background image url is (if any).
$('#page-header').data('servercoverfile', $('#page-header').css('background-image'));
$('#snap-coverimagecontrol').addClass('snap-js-enabled');
$('#snap-coverfiles').click(function() {
moodledialogue(courseShortName, categoryId, fpoptions, siteMaxBytes);
});
},
fail: function() {
return;
}
}
], true, true);
};
/**
* @param {int} categoryId
* @param {int} siteMaxBytes
*/
var categoryCoverImage = function(categoryId, siteMaxBytes) {
var ajaxParams = {imagefilename: null, imagedata: null, categoryid: categoryId,
courseshortname: null};
coverImage(ajaxParams, null, categoryId, siteMaxBytes);
};
/**
* @param {string} courseShortName
* @param {int} siteMaxBytes
*/
var courseCoverImage = function(courseShortName, siteMaxBytes) {
var ajaxParams = {imagefilename: null, imagedata: null, categoryid: null,
courseshortname: courseShortName};
coverImage(ajaxParams, courseShortName, null, siteMaxBytes);
};
return {courseImage: courseCoverImage, categoryImage: categoryCoverImage};
}
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Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists