h5p-php-library/js/h5p-utils.js

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var H5PUtils = H5PUtils || {};
(function ($) {
/**
* Generic function for creating a table including the headers
*
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* @param {array} headers List of headers
*/
H5PUtils.createTable = function (headers) {
var $table = $('<table class="h5p-admin-table' + (H5PIntegration.extraTableClasses !== undefined ? ' ' + H5PIntegration.extraTableClasses : '') + '"></table>');
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if(headers) {
var $thead = $('<thead></thead>');
var $tr = $('<tr></tr>');
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$.each(headers, function (index, value) {
if (!(value instanceof Object)) {
value = {
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html: value
};
}
$('<th/>', value).appendTo($tr);
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});
$table.append($thead.append($tr));
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}
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return $table;
};
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/**
* Generic function for creating a table row
*
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* @param {array} rows Value list. Object name is used as class name in <TD>
*/
H5PUtils.createTableRow = function (rows) {
var $tr = $('<tr></tr>');
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$.each(rows, function (index, value) {
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if (!(value instanceof Object)) {
value = {
html: value
};
}
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$('<td/>', value).appendTo($tr);
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});
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return $tr;
};
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/**
* Generic function for creating a field containing label and value
*
* @param {string} label The label displayed in front of the value
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* @param {string} value The value
*/
H5PUtils.createLabeledField = function (label, value) {
var $field = $('<div class="h5p-labeled-field"></div>');
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$field.append('<div class="h5p-label">' + label + '</div>');
$field.append('<div class="h5p-value">' + value + '</div>');
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return $field;
};
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/**
* Replaces placeholder fields in translation strings
*
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* @param {string} template The translation template string in the following format: "$name is a $sex"
* @param {array} replacors An js object with key and values. Eg: {'$name': 'Frode', '$sex': 'male'}
*/
H5PUtils.translateReplace = function (template, replacors) {
$.each(replacors, function (key, value) {
template = template.replace(new RegExp('\\'+key, 'g'), value);
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});
return template;
};
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/**
* Get throbber with given text.
*
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* @param {String} text
* @returns {$}
*/
H5PUtils.throbber = function (text) {
return $('<div/>', {
class: 'h5p-throbber',
text: text
});
};
/**
* Makes it possbile to rebuild all content caches from admin UI.
* @param {Object} notCached
* @returns {$}
*/
H5PUtils.getRebuildCache = function (notCached) {
var $container = $('<div class="h5p-admin-rebuild-cache"><p class="message">' + notCached.message + '</p><p class="progress">' + notCached.progress + '</p></div>');
var $button = $('<button>' + notCached.button + '</button>').appendTo($container).click(function () {
var $spinner = $('<div/>', {class: 'h5p-spinner'}).replaceAll($button);
var parts = ['|', '/', '-', '\\'];
var current = 0;
var spinning = setInterval(function () {
$spinner.text(parts[current]);
current++;
if (current === parts.length) current = 0;
}, 100);
var $counter = $container.find('.progress');
var build = function () {
$.post(notCached.url, function (left) {
if (left === '0') {
clearInterval(spinning);
$container.remove();
location.reload();
}
else {
var counter = $counter.text().split(' ');
counter[0] = left;
$counter.text(counter.join(' '));
build();
}
});
};
build();
});
return $container;
};
/**
* Generic table class with useful helpers.
*
* @param {Object} classes to use for styling
* @param {Array} cols headers
*/
H5PUtils.Table = function (classes, cols) {
// Create basic table
var tableOptions = {};
if (classes.table !== undefined) {
tableOptions['class'] = classes.table;
}
var $table = $('<table/>', tableOptions);
var $thead = $('<thead/>').appendTo($table);
var $tfoot = $('<tfoot/>').appendTo($table);
var $tbody = $('<tbody/>').appendTo($table);
// Set cols - create header
var $tr = $('<tr/>').appendTo($thead);
for (var i = 0; i < cols.length; i++) {
$('<th>', {
html: cols[i]
}).appendTo($tr);
}
/**
* Public.
*
* @param {Array} rows with cols
*/
this.setRows = function (rows) {
var $newTbody = $('<tbody/>');
for (var i = 0; i < rows.length; i++) {
var $tr = $('<tr/>').appendTo($newTbody);
for (var j = 0; j < rows[i].length; j++) {
$('<td>', {
html: rows[i][j]
}).appendTo($tr);
}
}
$tbody.replaceWith($newTbody);
$tbody = $newTbody;
};
/**
* Public.
*
* @param {jQuery} $content custom
*/
this.setBody = function ($content) {
var $newTbody = $('<tbody/>');
var $tr = $('<tr/>').appendTo($newTbody);
$('<td>', {
colspan: cols.length
}).append($content).appendTo($tr);
$tbody.replaceWith($newTbody);
$tbody = $newTbody;
};
/**
* Public.
*
* @param {jQuery} $content custom
*/
this.setFoot = function ($content) {
var $newTfoot = $('<tfoot/>');
var $tr = $('<tr/>').appendTo($newTfoot);
$('<td>', {
colspan: cols.length
}).append($content).appendTo($tr);
$tfoot.replaceWith($newTfoot);
};
/**
* Public.
*
* @param {jQuery} $container
*/
this.appendTo = function ($container) {
$table.appendTo($container);
};
};
/**
* Generic pagination class.
*
* @param {Number} num total items
* @param {Number} limit items per page
* @param {Function} goneTo page callback
*/
H5PUtils.Pagination = function (num, limit, goneTo, l10n) {
var current = 0;
var pages = Math.ceil(num / limit);
// Create components
// Previous button
var $left = $('<button/>', {
html: '&lt;',
'class': 'button',
title: l10n.previousPage
}).click(function () {
goTo(current - 1);
});
// Current page text
var $text = $('<span/>').click(function () {
$input.width($text.width()).show().val(current + 1).focus();
$text.hide();
});
// Jump to page input
var $input = $('<input/>', {
type: 'number',
min : 1,
max: pages,
on: {
'blur': function () {
gotInput();
},
'keyup': function (event) {
if (event.keyCode === 13) {
gotInput();
return false;
}
}
}
}).hide();
// Next button
var $right = $('<button/>', {
html: '&gt;',
'class': 'button',
title: l10n.nextPage
}).click(function () {
goTo(current + 1);
});
/**
* Private. Input box value may have changed.
*/
var gotInput = function () {
var page = parseInt($input.hide().val());
if (!isNaN(page)) {
goTo(page - 1);
}
$text.show();
};
/**
* Private. Update UI elements.
*/
var updateUI = function () {
var next = current + 1;
// Disable or enable buttons
$left.attr('disabled', current === 0);
$right.attr('disabled', next === pages);
// Update counter
$text.html(l10n.currentPage.replace('$current', next).replace('$total', pages));
};
/**
* Private. Try to go to the requested page.
*
* @param {Number} page
*/
var goTo = function (page) {
if (page === current || page < 0 || page >= pages) {
return; // Invalid page number
}
current = page;
updateUI();
// Fire callback
goneTo(page * limit);
};
/**
* Public. Update number of items and limit.
*
* @param {Number} newNum
* @param {Number} newLimit
*/
this.update = function (newNum, newLimit) {
if (newNum !== num || newLimit !== limit) {
// Update num and limit
num = newNum;
limit = newLimit;
pages = Math.ceil(num / limit);
$input.attr('max', pages);
if (current >= pages) {
// Content is gone, move to last page.
goTo(pages - 1);
return;
}
updateUI();
}
};
/**
* Public. Append the pagination widget to the given item.
*
* @param {jQuery} $container
*/
this.appendTo = function ($container) {
$left.add($text).add($input).add($right).appendTo($container);
};
// Update UI
updateUI();
};
})(H5P.jQuery);