Your IP : 192.168.165.1
// 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/>.
/**
* Javascript helper function for SCORM module.
*
* @package mod-scorm
* @copyright 2009 Petr Skoda (http://skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
mod_scorm_launch_next_sco = null;
mod_scorm_launch_prev_sco = null;
mod_scorm_activate_item = null;
mod_scorm_parse_toc_tree = null;
scorm_layout_widget = null;
window.scorm_current_node = null;
function underscore(str) {
str = String(str).replace(/.N/g,".");
return str.replace(/\./g,"__");
}
M.mod_scorm = {};
M.mod_scorm.init = function(Y, nav_display, navposition_left, navposition_top, hide_toc, collapsetocwinsize, toc_title, window_name, launch_sco, scoes_nav) {
var scorm_disable_toc = false;
var scorm_hide_nav = true;
var scorm_hide_toc = true;
if (hide_toc == 0) {
if (nav_display !== 0) {
scorm_hide_nav = false;
}
scorm_hide_toc = false;
} else if (hide_toc == 3) {
scorm_disable_toc = true;
}
scoes_nav = Y.JSON.parse(scoes_nav);
var scorm_buttons = [];
var scorm_bloody_labelclick = false;
var scorm_nav_panel;
Y.use('button', 'dd-plugin', 'panel', 'resize', 'gallery-sm-treeview', function(Y) {
Y.TreeView.prototype.getNodeByAttribute = function(attribute, value) {
var node = null,
domnode = Y.one('a[' + attribute + '="' + value + '"]');
if (domnode !== null) {
node = scorm_tree_node.getNodeById(domnode.ancestor('li').get('id'));
}
return node;
};
Y.TreeView.prototype.openAll = function () {
this.get('container').all('.yui3-treeview-can-have-children').each(function(target) {
this.getNodeById(target.get('id')).open();
}, this);
};
Y.TreeView.prototype.closeAll = function () {
this.get('container').all('.yui3-treeview-can-have-children').each(function(target) {
this.getNodeById(target.get('id')).close();
}, this);
}
var scorm_parse_toc_tree = function(srcNode) {
var SELECTORS = {
child: '> li',
label: '> li, > a',
textlabel : '> li, > span',
subtree: '> ul, > li'
},
children = [];
srcNode.all(SELECTORS.child).each(function(childNode) {
var child = {},
labelNode = childNode.one(SELECTORS.label),
textNode = childNode.one(SELECTORS.textlabel),
subTreeNode = childNode.one(SELECTORS.subtree);
if (labelNode) {
var title = labelNode.getAttribute('title');
var scoid = labelNode.getData('scoid');
child.label = labelNode.get('outerHTML');
// Will be good to change to url instead of title.
if (title && title !== '#') {
child.title = title;
}
if (typeof scoid !== 'undefined') {
child.scoid = scoid;
}
} else if (textNode) {
// The selector did not find a label node with anchor.
child.label = textNode.get('outerHTML');
}
if (subTreeNode) {
child.children = scorm_parse_toc_tree(subTreeNode);
}
children.push(child);
});
return children;
};
mod_scorm_parse_toc_tree = scorm_parse_toc_tree;
var scorm_activate_item = function(node) {
if (!node) {
return;
}
// Check if the item is already active, avoid recursive calls.
var content = Y.one('#scorm_content');
var old = Y.one('#scorm_object');
if (old) {
var scorm_active_url = Y.one('#scorm_object').getAttribute('src');
var node_full_url = M.cfg.wwwroot + '/mod/scorm/loadSCO.php?' + node.title;
if (node_full_url === scorm_active_url) {
return;
}
// Start to unload iframe here
if(!window_name){
content.removeChild(old);
old = null;
}
}
// End of - Avoid recursive calls.
scorm_current_node = node;
if (!scorm_current_node.state.selected) {
scorm_current_node.select();
}
scorm_tree_node.closeAll();
var url_prefix = M.cfg.wwwroot + '/mod/scorm/loadSCO.php?';
var el_old_api = document.getElementById('scormapi123');
if (el_old_api) {
el_old_api.parentNode.removeChild(el_old_api);
}
var obj = document.createElement('iframe');
obj.setAttribute('id', 'scorm_object');
obj.setAttribute('type', 'text/html');
obj.setAttribute('allowfullscreen', 'allowfullscreen');
obj.setAttribute('webkitallowfullscreen', 'webkitallowfullscreen');
obj.setAttribute('mozallowfullscreen', 'mozallowfullscreen');
if (!window_name && node.title != null) {
obj.setAttribute('src', url_prefix + node.title);
}
if (window_name) {
var mine = window.open('','','width=1,height=1,left=0,top=0,scrollbars=no');
if(! mine) {
alert(M.util.get_string('popupsblocked', 'scorm'));
}
mine.close();
}
if (old) {
if(window_name) {
var cwidth = scormplayerdata.cwidth;
var cheight = scormplayerdata.cheight;
var poptions = scormplayerdata.popupoptions;
poptions = poptions + ',resizable=yes'; // Added for IE (MDL-32506).
scorm_openpopup(M.cfg.wwwroot + "/mod/scorm/loadSCO.php?" + node.title, window_name, poptions, cwidth, cheight);
}
} else {
content.prepend(obj);
}
if (scorm_hide_nav == false) {
if (nav_display === 1 && navposition_left > 0 && navposition_top > 0) {
Y.one('#scorm_object').addClass(cssclasses.scorm_nav_under_content);
}
scorm_fixnav();
}
scorm_tree_node.openAll();
};
mod_scorm_activate_item = scorm_activate_item;
/**
* Enables/disables navigation buttons as needed.
* @return void
*/
var scorm_fixnav = function() {
var skipprevnode = scorm_skipprev(scorm_current_node);
var prevnode = scorm_prev(scorm_current_node);
var skipnextnode = scorm_skipnext(scorm_current_node);
var nextnode = scorm_next(scorm_current_node);
var upnode = scorm_up(scorm_current_node);
scorm_buttons[0].set('disabled', ((skipprevnode === null) ||
(typeof(skipprevnode.scoid) === 'undefined') ||
(scoes_nav[skipprevnode.scoid].isvisible === "false") ||
(skipprevnode.title === null) ||
(scoes_nav[launch_sco].hideprevious === 1)));
scorm_buttons[1].set('disabled', ((prevnode === null) ||
(typeof(prevnode.scoid) === 'undefined') ||
(scoes_nav[prevnode.scoid].isvisible === "false") ||
(prevnode.title === null) ||
(scoes_nav[launch_sco].hideprevious === 1)));
scorm_buttons[2].set('disabled', (upnode === null) ||
(typeof(upnode.scoid) === 'undefined') ||
(scoes_nav[upnode.scoid].isvisible === "false") ||
(upnode.title === null));
scorm_buttons[3].set('disabled', ((nextnode === null) ||
((nextnode.title === null) && (scoes_nav[launch_sco].flow !== 1)) ||
(typeof(nextnode.scoid) === 'undefined') ||
(scoes_nav[nextnode.scoid].isvisible === "false") ||
(scoes_nav[launch_sco].hidecontinue === 1)));
scorm_buttons[4].set('disabled', ((skipnextnode === null) ||
(skipnextnode.title === null) ||
(typeof(skipnextnode.scoid) === 'undefined') ||
(scoes_nav[skipnextnode.scoid].isvisible === "false") ||
scoes_nav[launch_sco].hidecontinue === 1));
};
var scorm_toggle_toc = function(windowresize) {
var toc = Y.one('#scorm_toc');
var scorm_content = Y.one('#scorm_content');
var scorm_toc_toggle_btn = Y.one('#scorm_toc_toggle_btn');
var toc_disabled = toc.hasClass('disabled');
var disabled_by = toc.getAttribute('disabled-by');
// Remove width element style from resize handle.
toc.setStyle('width', null);
scorm_content.setStyle('width', null);
if (windowresize === true) {
if (disabled_by === 'user') {
return;
}
var body = Y.one('body');
if (body.get('winWidth') < collapsetocwinsize) {
toc.addClass(cssclasses.disabled)
.setAttribute('disabled-by', 'screen-size');
scorm_toc_toggle_btn.setHTML('>')
.set('title', M.util.get_string('show', 'moodle'));
scorm_content.removeClass(cssclasses.scorm_grid_content_toc_visible)
.addClass(cssclasses.scorm_grid_content_toc_hidden);
} else if (body.get('winWidth') > collapsetocwinsize) {
toc.removeClass(cssclasses.disabled)
.removeAttribute('disabled-by');
scorm_toc_toggle_btn.setHTML('<')
.set('title', M.util.get_string('hide', 'moodle'));
scorm_content.removeClass(cssclasses.scorm_grid_content_toc_hidden)
.addClass(cssclasses.scorm_grid_content_toc_visible);
}
return;
}
if (toc_disabled) {
toc.removeClass(cssclasses.disabled)
.removeAttribute('disabled-by');
scorm_toc_toggle_btn.setHTML('<')
.set('title', M.util.get_string('hide', 'moodle'));
scorm_content.removeClass(cssclasses.scorm_grid_content_toc_hidden)
.addClass(cssclasses.scorm_grid_content_toc_visible);
} else {
toc.addClass(cssclasses.disabled)
.setAttribute('disabled-by', 'user');
scorm_toc_toggle_btn.setHTML('>')
.set('title', M.util.get_string('show', 'moodle'));
scorm_content.removeClass(cssclasses.scorm_grid_content_toc_visible)
.addClass(cssclasses.scorm_grid_content_toc_hidden);
}
};
var scorm_resize_layout = function() {
if (window_name) {
return;
}
// make sure that the max width of the TOC doesn't go to far
var scorm_toc_node = Y.one('#scorm_toc');
var maxwidth = parseInt(Y.one('#scorm_layout').getComputedStyle('width'), 10);
scorm_toc_node.setStyle('maxWidth', (maxwidth - 200));
var cwidth = parseInt(scorm_toc_node.getComputedStyle('width'), 10);
if (cwidth > (maxwidth - 1)) {
scorm_toc_node.setStyle('width', (maxwidth - 50));
}
// Calculate the rough new height from the viewport height.
var newheight = Y.one('body').get('winHeight') - 5
- Y.one('#scorm_layout').getY()
- window.pageYOffset;
if (newheight < 680 || isNaN(newheight)) {
newheight = 680;
}
Y.one('#scorm_layout').setStyle('height', newheight);
};
// Handle AJAX Request
var scorm_ajax_request = function(url, datastring) {
var myRequest = NewHttpReq();
var result = DoRequest(myRequest, url + datastring);
return result;
};
var scorm_up = function(node, update_launch_sco) {
if (node.parent && node.parent.parent && typeof scoes_nav[launch_sco].parentscoid !== 'undefined') {
var parentscoid = scoes_nav[launch_sco].parentscoid;
var parent = node.parent;
if (parent.title !== scoes_nav[parentscoid].url) {
parent = scorm_tree_node.getNodeByAttribute('title', scoes_nav[parentscoid].url);
if (parent === null) {
parent = scorm_tree_node.rootNode.children[0];
parent.title = scoes_nav[parentscoid].url;
}
}
if (update_launch_sco) {
launch_sco = parentscoid;
}
return parent;
}
return null;
};
var scorm_lastchild = function(node) {
if (node.children.length) {
return scorm_lastchild(node.children[node.children.length - 1]);
} else {
return node;
}
};
var scorm_prev = function(node, update_launch_sco) {
if (node.previous() && node.previous().children.length &&
typeof scoes_nav[launch_sco].prevscoid !== 'undefined') {
node = scorm_lastchild(node.previous());
if (node) {
var prevscoid = scoes_nav[launch_sco].prevscoid;
if (node.title !== scoes_nav[prevscoid].url) {
node = scorm_tree_node.getNodeByAttribute('title', scoes_nav[prevscoid].url);
if (node === null) {
node = scorm_tree_node.rootNode.children[0];
node.title = scoes_nav[prevscoid].url;
}
}
if (update_launch_sco) {
launch_sco = prevscoid;
}
return node;
} else {
return null;
}
}
return scorm_skipprev(node, update_launch_sco);
};
var scorm_skipprev = function(node, update_launch_sco) {
if (node.previous() && typeof scoes_nav[launch_sco].prevsibling !== 'undefined') {
var prevsibling = scoes_nav[launch_sco].prevsibling;
var previous = node.previous();
var prevscoid = scoes_nav[launch_sco].prevscoid;
if (previous.title !== scoes_nav[prevscoid].url) {
previous = scorm_tree_node.getNodeByAttribute('title', scoes_nav[prevsibling].url);
if (previous === null) {
previous = scorm_tree_node.rootNode.children[0];
previous.title = scoes_nav[prevsibling].url;
}
}
if (update_launch_sco) {
launch_sco = prevsibling;
}
return previous;
} else if (node.parent && node.parent.parent && typeof scoes_nav[launch_sco].parentscoid !== 'undefined') {
var parentscoid = scoes_nav[launch_sco].parentscoid;
var parent = node.parent;
if (parent.title !== scoes_nav[parentscoid].url) {
parent = scorm_tree_node.getNodeByAttribute('title', scoes_nav[parentscoid].url);
if (parent === null) {
parent = scorm_tree_node.rootNode.children[0];
parent.title = scoes_nav[parentscoid].url;
}
}
if (update_launch_sco) {
launch_sco = parentscoid;
}
return parent;
}
return null;
};
var scorm_next = function(node, update_launch_sco) {
if (node === false) {
return scorm_tree_node.children[0];
}
if (node.children.length && typeof scoes_nav[launch_sco].nextscoid != 'undefined') {
node = node.children[0];
var nextscoid = scoes_nav[launch_sco].nextscoid;
if (node.title !== scoes_nav[nextscoid].url) {
node = scorm_tree_node.getNodeByAttribute('title', scoes_nav[nextscoid].url);
if (node === null) {
node = scorm_tree_node.rootNode.children[0];
node.title = scoes_nav[nextscoid].url;
}
}
if (update_launch_sco) {
launch_sco = nextscoid;
}
return node;
}
return scorm_skipnext(node, update_launch_sco);
};
var scorm_skipnext = function(node, update_launch_sco) {
var next = node.next();
if (next && next.title && typeof scoes_nav[launch_sco] !== 'undefined' && typeof scoes_nav[launch_sco].nextsibling !== 'undefined') {
var nextsibling = scoes_nav[launch_sco].nextsibling;
if (next.title !== scoes_nav[nextsibling].url) {
next = scorm_tree_node.getNodeByAttribute('title', scoes_nav[nextsibling].url);
if (next === null) {
next = scorm_tree_node.rootNode.children[0];
next.title = scoes_nav[nextsibling].url;
}
}
if (update_launch_sco) {
launch_sco = nextsibling;
}
return next;
} else if (node.parent && node.parent.parent && typeof scoes_nav[launch_sco].parentscoid !== 'undefined') {
var parentscoid = scoes_nav[launch_sco].parentscoid;
var parent = node.parent;
if (parent.title !== scoes_nav[parentscoid].url) {
parent = scorm_tree_node.getNodeByAttribute('title', scoes_nav[parentscoid].url);
if (parent === null) {
parent = scorm_tree_node.rootNode.children[0];
}
}
if (update_launch_sco) {
launch_sco = parentscoid;
}
return scorm_skipnext(parent, update_launch_sco);
}
return null;
};
// Launch prev sco
var scorm_launch_prev_sco = function() {
var result = null;
if (scoes_nav[launch_sco].flow === 1) {
var datastring = scoes_nav[launch_sco].url + '&function=scorm_seq_flow&request=backward';
result = scorm_ajax_request(M.cfg.wwwroot + '/mod/scorm/datamodels/sequencinghandler.php?', datastring);
if (result === false) {
// Either the outcome was a failure, or we are unloading and simply just don't know
// what the outcome actually was.
result = {};
} else {
result = Y.JSON.parse(result);
}
if (typeof result.nextactivity !== 'undefined' && typeof result.nextactivity.id !== 'undefined') {
var node = scorm_prev(scorm_tree_node.getSelectedNodes()[0]);
if (node == null) {
// Avoid use of TreeView for Navigation.
node = scorm_tree_node.getSelectedNodes()[0];
}
if (node.title !== scoes_nav[result.nextactivity.id].url) {
node = scorm_tree_node.getNodeByAttribute('title', scoes_nav[result.nextactivity.id].url);
if (node === null) {
node = scorm_tree_node.rootNode.children[0];
node.title = scoes_nav[result.nextactivity.id].url;
}
}
launch_sco = result.nextactivity.id;
scorm_activate_item(node);
scorm_fixnav();
} else {
scorm_activate_item(scorm_prev(scorm_tree_node.getSelectedNodes()[0], true));
}
} else {
scorm_activate_item(scorm_prev(scorm_tree_node.getSelectedNodes()[0], true));
}
};
// Launch next sco
var scorm_launch_next_sco = function () {
var result = null;
if (scoes_nav[launch_sco].flow === 1) {
var datastring = scoes_nav[launch_sco].url + '&function=scorm_seq_flow&request=forward';
result = scorm_ajax_request(M.cfg.wwwroot + '/mod/scorm/datamodels/sequencinghandler.php?', datastring);
if (result === false) {
// Either the outcome was a failure, or we are unloading and simply just don't know
// what the outcome actually was.
result = {};
} else {
result = Y.JSON.parse(result);
}
if (typeof result.nextactivity !== 'undefined' && typeof result.nextactivity.id !== 'undefined') {
var node = scorm_next(scorm_tree_node.getSelectedNodes()[0]);
if (node === null) {
// Avoid use of TreeView for Navigation.
node = scorm_tree_node.getSelectedNodes()[0];
}
node = scorm_tree_node.getNodeByAttribute('title', scoes_nav[result.nextactivity.id].url);
if (node === null) {
node = scorm_tree_node.rootNode.children[0];
node.title = scoes_nav[result.nextactivity.id].url;
}
launch_sco = result.nextactivity.id;
scorm_activate_item(node);
scorm_fixnav();
} else {
scorm_activate_item(scorm_next(scorm_tree_node.getSelectedNodes()[0], true));
}
} else {
scorm_activate_item(scorm_next(scorm_tree_node.getSelectedNodes()[0], true));
}
};
mod_scorm_launch_prev_sco = scorm_launch_prev_sco;
mod_scorm_launch_next_sco = scorm_launch_next_sco;
var cssclasses = {
// YUI grid class: use 100% of the available width to show only content, TOC hidden.
scorm_grid_content_toc_hidden: 'yui3-u-1',
// YUI grid class: use 1/5 of the available width to show TOC.
scorm_grid_toc: 'yui3-u-1-5',
// YUI grid class: use 1/24 of the available width to show TOC toggle button.
scorm_grid_toggle: 'yui3-u-1-24',
// YUI grid class: use 3/4 of the available width to show content, TOC visible.
scorm_grid_content_toc_visible: 'yui3-u-3-4',
// Reduce height of #scorm_object to accomodate nav buttons under content.
scorm_nav_under_content: 'scorm_nav_under_content',
disabled: 'disabled'
};
// layout
Y.one('#scorm_toc_title').setHTML(toc_title);
if (scorm_disable_toc) {
Y.one('#scorm_toc').addClass(cssclasses.disabled);
Y.one('#scorm_toc_toggle').addClass(cssclasses.disabled);
Y.one('#scorm_content').addClass(cssclasses.scorm_grid_content_toc_hidden);
} else {
Y.one('#scorm_toc').addClass(cssclasses.scorm_grid_toc);
Y.one('#scorm_toc_toggle').addClass(cssclasses.scorm_grid_toggle);
Y.one('#scorm_toc_toggle_btn')
.setHTML('<')
.setAttribute('title', M.util.get_string('hide', 'moodle'));
Y.one('#scorm_content').addClass(cssclasses.scorm_grid_content_toc_visible);
scorm_toggle_toc(true);
}
// hide the TOC if that is the default
if (!scorm_disable_toc) {
if (scorm_hide_toc == true) {
Y.one('#scorm_toc').addClass(cssclasses.disabled);
Y.one('#scorm_toc_toggle_btn')
.setHTML('>')
.setAttribute('title', M.util.get_string('show', 'moodle'));
Y.one('#scorm_content')
.removeClass(cssclasses.scorm_grid_content_toc_visible)
.addClass(cssclasses.scorm_grid_content_toc_hidden);
}
}
// Basic initialization completed, show the elements.
Y.one('#scorm_toc').removeClass('loading');
Y.one('#scorm_toc_toggle').removeClass('loading');
// TOC Resize handle.
var layout_width = parseInt(Y.one('#scorm_layout').getComputedStyle('width'), 10);
var scorm_resize_handle = new Y.Resize({
node: '#scorm_toc',
handles: 'r',
defMinWidth: 0.2 * layout_width
});
// TOC tree
var toc_source = Y.one('#scorm_tree > ul');
var toc = scorm_parse_toc_tree(toc_source);
// Empty container after parsing toc.
var el = document.getElementById('scorm_tree');
el.innerHTML = '';
var tree = new Y.TreeView({
container: '#scorm_tree',
nodes: toc,
multiSelect: false
});
scorm_tree_node = tree;
// Trigger after instead of on, avoid recursive calls.
tree.after('select', function(e) {
var node = e.node;
if (node.title == '' || node.title == null) {
return; //this item has no navigation
}
// If item is already active, return; avoid recursive calls.
if (obj = Y.one('#scorm_object')) {
var scorm_active_url = obj.getAttribute('src');
var node_full_url = M.cfg.wwwroot + '/mod/scorm/loadSCO.php?' + node.title;
if (node_full_url === scorm_active_url) {
return;
}
} else if(scorm_current_node == node){
return;
}
// Update launch_sco.
if (typeof node.scoid !== 'undefined') {
launch_sco = node.scoid;
}
scorm_activate_item(node);
if (node.children.length) {
scorm_bloody_labelclick = true;
}
});
if (!scorm_disable_toc) {
tree.on('close', function(e) {
if (scorm_bloody_labelclick) {
scorm_bloody_labelclick = false;
return false;
}
});
tree.subscribe('open', function(e) {
if (scorm_bloody_labelclick) {
scorm_bloody_labelclick = false;
return false;
}
});
}
tree.render();
tree.openAll();
// On getting the window, always set the focus on the current item
Y.one(Y.config.win).on('focus', function (e) {
var current = scorm_tree_node.getSelectedNodes()[0];
var toc_disabled = Y.one('#scorm_toc').hasClass('disabled');
if (current.id && !toc_disabled) {
Y.one('#' + current.id).focus();
}
});
// navigation
if (scorm_hide_nav == false) {
// TODO: make some better&accessible buttons.
var navbuttonshtml = '<span id="scorm_nav"><button id="nav_skipprev"><<</button> ' +
'<button id="nav_prev"><</button> <button id="nav_up">^</button> ' +
'<button id="nav_next">></button> <button id="nav_skipnext">>></button></span>';
if (nav_display === 1) {
Y.one('#scorm_navpanel').setHTML(navbuttonshtml);
} else {
// Nav panel is floating type.
var navposition = null;
if (navposition_left < 0 && navposition_top < 0) {
// Set default XY.
navposition = Y.one('#scorm_toc').getXY();
navposition[1] += 200;
} else {
// Set user defined XY.
navposition = [];
navposition[0] = parseInt(navposition_left, 10);
navposition[1] = parseInt(navposition_top, 10);
}
scorm_nav_panel = new Y.Panel({
fillHeight: "body",
headerContent: M.util.get_string('navigation', 'scorm'),
visible: true,
xy: navposition,
zIndex: 999
});
scorm_nav_panel.set('bodyContent', navbuttonshtml);
scorm_nav_panel.removeButton('close');
scorm_nav_panel.plug(Y.Plugin.Drag, {handles: ['.yui3-widget-hd']});
scorm_nav_panel.render();
}
scorm_buttons[0] = new Y.Button({
srcNode: '#nav_skipprev',
render: true,
on: {
'click' : function(ev) {
scorm_activate_item(scorm_skipprev(scorm_tree_node.getSelectedNodes()[0], true));
},
'keydown' : function(ev) {
if (ev.domEvent.keyCode === 13 || ev.domEvent.keyCode === 32) {
scorm_activate_item(scorm_skipprev(scorm_tree_node.getSelectedNodes()[0], true));
}
}
}
});
scorm_buttons[1] = new Y.Button({
srcNode: '#nav_prev',
render: true,
on: {
'click' : function(ev) {
scorm_launch_prev_sco();
},
'keydown' : function(ev) {
if (ev.domEvent.keyCode === 13 || ev.domEvent.keyCode === 32) {
scorm_launch_prev_sco();
}
}
}
});
scorm_buttons[2] = new Y.Button({
srcNode: '#nav_up',
render: true,
on: {
'click' : function(ev) {
scorm_activate_item(scorm_up(scorm_tree_node.getSelectedNodes()[0], true));
},
'keydown' : function(ev) {
if (ev.domEvent.keyCode === 13 || ev.domEvent.keyCode === 32) {
scorm_activate_item(scorm_up(scorm_tree_node.getSelectedNodes()[0], true));
}
}
}
});
scorm_buttons[3] = new Y.Button({
srcNode: '#nav_next',
render: true,
on: {
'click' : function(ev) {
scorm_launch_next_sco();
},
'keydown' : function(ev) {
if (ev.domEvent.keyCode === 13 || ev.domEvent.keyCode === 32) {
scorm_launch_next_sco();
}
}
}
});
scorm_buttons[4] = new Y.Button({
srcNode: '#nav_skipnext',
render: true,
on: {
'click' : function(ev) {
scorm_activate_item(scorm_skipnext(scorm_tree_node.getSelectedNodes()[0], true));
},
'keydown' : function(ev) {
if (ev.domEvent.keyCode === 13 || ev.domEvent.keyCode === 32) {
scorm_activate_item(scorm_skipnext(scorm_tree_node.getSelectedNodes()[0], true));
}
}
}
});
}
// finally activate the chosen item
var scorm_first_url = null;
if (typeof tree.rootNode.children[0] !== 'undefined') {
if (tree.rootNode.children[0].title !== scoes_nav[launch_sco].url) {
var node = tree.getNodeByAttribute('title', scoes_nav[launch_sco].url);
if (node !== null) {
scorm_first_url = node;
}
} else {
scorm_first_url = tree.rootNode.children[0];
}
}
if (scorm_first_url == null) { // This is probably a single sco with no children (AICC Direct uses this).
scorm_first_url = tree.rootNode;
}
scorm_first_url.title = scoes_nav[launch_sco].url;
scorm_activate_item(scorm_first_url);
// resizing
scorm_resize_layout();
// Collapse/expand TOC.
Y.one('#scorm_toc_toggle').on('click', scorm_toggle_toc);
Y.one('#scorm_toc_toggle').on('key', scorm_toggle_toc, 'down:enter,32');
// fix layout if window resized
Y.on("windowresize", function() {
scorm_resize_layout();
var toc_displayed = Y.one('#scorm_toc').getComputedStyle('display') !== 'none';
if ((!scorm_disable_toc && !scorm_hide_toc) || toc_displayed) {
scorm_toggle_toc(true);
}
// Set 20% as minWidth constrain of TOC.
var layout_width = parseInt(Y.one('#scorm_layout').getComputedStyle('width'), 10);
scorm_resize_handle.set('defMinWidth', 0.2 * layout_width);
});
// On resize drag, change width of scorm_content.
scorm_resize_handle.on('resize:resize', function() {
var tocwidth = parseInt(Y.one('#scorm_toc').getComputedStyle('width'), 10);
var layoutwidth = parseInt(Y.one('#scorm_layout').getStyle('width'), 10);
Y.one('#scorm_content').setStyle('width', (layoutwidth - tocwidth - 60));
});
});
};
M.mod_scorm.connectPrereqCallback = {
success: function(id, o) {
if (o.responseText !== undefined) {
var snode = null,
stitle = null;
if (scorm_tree_node && o.responseText) {
snode = scorm_tree_node.getSelectedNodes()[0];
stitle = null;
if (snode) {
stitle = snode.title;
}
// All gone with clear, add new root node.
scorm_tree_node.clear(scorm_tree_node.createNode());
}
// Make sure the temporary tree element is not there.
var el_old_tree = document.getElementById('scormtree123');
if (el_old_tree) {
el_old_tree.parentNode.removeChild(el_old_tree);
}
var el_new_tree = document.createElement('div');
var pagecontent = document.getElementById("page-content");
if (!pagecontent) {
pagecontent = document.getElementById("content");
}
el_new_tree.setAttribute('id','scormtree123');
el_new_tree.innerHTML = o.responseText;
// Make sure it does not show.
el_new_tree.style.display = 'none';
pagecontent.appendChild(el_new_tree);
// Ignore the first level element as this is the title.
var startNode = el_new_tree.firstChild.firstChild;
if (startNode.tagName == 'LI') {
// Go back to the beginning.
startNode = el_new_tree;
}
var toc_source = Y.one('#scormtree123 > ul');
var toc = mod_scorm_parse_toc_tree(toc_source);
scorm_tree_node.appendNode(scorm_tree_node.rootNode, toc);
var el = document.getElementById('scormtree123');
el.parentNode.removeChild(el);
scorm_tree_node.render();
scorm_tree_node.openAll();
if (stitle !== null) {
snode = scorm_tree_node.getNodeByAttribute('title', stitle);
// Do not let destroyed node to be selected.
if (snode && !snode.state.destroyed) {
snode.select();
var toc_disabled = Y.one('#scorm_toc').hasClass('disabled');
if (!toc_disabled) {
if (!snode.state.selected) {
snode.select();
}
}
}
}
}
},
failure: function(id, o) {
// TODO: do some sort of error handling.
}
};