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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* AMD module used when rearranging a custom certificate.
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*
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* @module mod_customcert/rearrange-area
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* @copyright 2016 Mark Nelson <markn@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define(['jquery', 'core/yui', 'core/fragment', 'mod_customcert/dialogue', 'core/notification',
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'core/str', 'core/templates', 'core/ajax'],
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function($, Y, fragment, Dialogue, notification, str, template, ajax) {
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/**
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* RearrangeArea class.
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*
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* @param {String} selector The rearrange PDF selector
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*/
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var RearrangeArea = function(selector) {
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this._node = $(selector);
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this._setEvents();
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};
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RearrangeArea.prototype.CUSTOMCERT_REF_POINT_TOPLEFT = 0;
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RearrangeArea.prototype.CUSTOMCERT_REF_POINT_TOPCENTER = 1;
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RearrangeArea.prototype.CUSTOMCERT_REF_POINT_TOPRIGHT = 2;
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RearrangeArea.prototype.PIXELSINMM = 3.779527559055;
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RearrangeArea.prototype._setEvents = function() {
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this._node.on('click', '.element', this._editElement.bind(this));
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};
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RearrangeArea.prototype._editElement = function(event) {
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var elementid = event.currentTarget.id.substr(8);
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var contextid = this._node.attr('data-contextid');
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var params = {
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'elementid': elementid
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};
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fragment.loadFragment('mod_customcert', 'editelement', contextid, params).done(function(html, js) {
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str.get_string('editelement', 'mod_customcert').done(function(title) {
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Y.use('moodle-core-formchangechecker', function() {
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new Dialogue(
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title,
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'<div id=\'elementcontent\'></div>',
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this._editElementDialogueConfig.bind(this, elementid, html, js),
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undefined,
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true
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);
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}.bind(this));
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}.bind(this));
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}.bind(this)).fail(notification.exception);
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};
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RearrangeArea.prototype._editElementDialogueConfig = function(elementid, html, js, popup) {
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// Place the content in the dialogue.
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template.replaceNode('#elementcontent', html, js);
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// We may have dragged the element changing it's position.
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// Ensure the form has the current up-to-date location.
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this._setPositionInForm(elementid);
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// Add events for when we save, close and cancel the page.
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var body = $(popup.getContent());
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body.on('click', '#id_submitbutton', function(e) {
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// Do not want to ask the user if they wish to stay on page after saving.
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M.core_formchangechecker.reset_form_dirty_state();
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// Save the data.
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this._saveElement(elementid).then(function() {
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// Update the DOM to reflect the adjusted value.
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this._getElementHTML(elementid).done(function(html) {
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var elementNode = this._node.find('#element-' + elementid);
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var refpoint = parseInt($('#id_refpoint').val());
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var refpointClass = '';
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if (refpoint == this.CUSTOMCERT_REF_POINT_TOPLEFT) {
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refpointClass = 'refpoint-left';
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} else if (refpoint == this.CUSTOMCERT_REF_POINT_TOPCENTER) {
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refpointClass = 'refpoint-center';
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} else if (refpoint == this.CUSTOMCERT_REF_POINT_TOPRIGHT) {
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refpointClass = 'refpoint-right';
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}
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elementNode.empty().append(html);
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// Update the ref point.
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elementNode.removeClass();
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elementNode.addClass('element ' + refpointClass);
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elementNode.attr('data-refpoint', refpoint);
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// Move the element.
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var posx = $('#editelementform #id_posx').val();
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var posy = $('#editelementform #id_posy').val();
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this._setPosition(elementid, refpoint, posx, posy);
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// All done.
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popup.close();
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}.bind(this));
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}.bind(this)).fail(notification.exception);
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e.preventDefault();
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}.bind(this));
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body.on('click', '#id_cancel', function(e) {
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popup.close();
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e.preventDefault();
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});
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};
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RearrangeArea.prototype._setPosition = function(elementid, refpoint, posx, posy) {
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var element = Y.one('#element-' + elementid);
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posx = Y.one('#pdf').getX() + posx * this.PIXELSINMM;
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posy = Y.one('#pdf').getY() + posy * this.PIXELSINMM;
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var nodewidth = parseFloat(element.getComputedStyle('width'));
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var maxwidth = element.width * this.PIXELSINMM;
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if (maxwidth && (nodewidth > maxwidth)) {
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nodewidth = maxwidth;
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}
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switch (refpoint) {
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case this.CUSTOMCERT_REF_POINT_TOPCENTER:
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posx -= nodewidth / 2;
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break;
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case this.CUSTOMCERT_REF_POINT_TOPRIGHT:
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posx = posx - nodewidth + 2;
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break;
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}
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element.setX(posx);
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element.setY(posy);
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};
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RearrangeArea.prototype._setPositionInForm = function(elementid) {
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var posxelement = $('#editelementform #id_posx');
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var posyelement = $('#editelementform #id_posy');
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if (posxelement.length && posyelement.length) {
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var element = Y.one('#element-' + elementid);
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var posx = element.getX() - Y.one('#pdf').getX();
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var posy = element.getY() - Y.one('#pdf').getY();
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var refpoint = parseInt(element.getData('refpoint'));
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var nodewidth = parseFloat(element.getComputedStyle('width'));
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switch (refpoint) {
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case this.CUSTOMCERT_REF_POINT_TOPCENTER:
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posx += nodewidth / 2;
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break;
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case this.CUSTOMCERT_REF_POINT_TOPRIGHT:
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posx += nodewidth;
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break;
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}
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posx = Math.round(parseFloat(posx / this.PIXELSINMM));
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posy = Math.round(parseFloat(posy / this.PIXELSINMM));
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posxelement.val(posx);
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posyelement.val(posy);
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}
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};
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RearrangeArea.prototype._getElementHTML = function(elementid) {
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// Get the variables we need.
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var templateid = this._node.attr('data-templateid');
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// Call the web service to get the updated element.
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var promises = ajax.call([{
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methodname: 'mod_customcert_get_element_html',
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args: {
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templateid: templateid,
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elementid: elementid
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}
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}]);
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// Return the promise.
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return promises[0];
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};
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RearrangeArea.prototype._saveElement = function(elementid) {
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// Get the variables we need.
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var templateid = this._node.attr('data-templateid');
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var inputs = $('#editelementform').serializeArray();
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// Call the web service to save the element.
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var promises = ajax.call([{
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methodname: 'mod_customcert_save_element',
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args: {
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templateid: templateid,
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elementid: elementid,
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values: inputs
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}
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}]);
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// Return the promise.
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return promises[0];
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};
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return {
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init: function(selector) {
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new RearrangeArea(selector);
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}
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};
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}
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);
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