mirror of
https://github.com/EGroupware/egroupware.git
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552 lines
13 KiB
JavaScript
552 lines
13 KiB
JavaScript
/**
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* EGroupware clientside API object
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel (as AT stylite.de)
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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*/
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/*egw:uses
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egw_core;
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*/
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import './egw_core.js';
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egw.extend('utils', egw.MODULE_GLOBAL, function()
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{
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"use strict";
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function json_escape_string(input)
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{
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var len = input.length;
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var res = "";
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for (var i = 0; i < len; i++)
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{
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switch (input.charAt(i))
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{
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case '"':
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res += '\\"';
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break;
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case '\n':
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res += '\\n';
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break;
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case '\r':
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res += '\\r';
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break;
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case '\\':
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res += '\\\\';
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break;
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case '\/':
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res += '\\/';
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break;
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case '\b':
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res += '\\b';
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break;
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case '\f':
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res += '\\f';
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break;
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case '\t':
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res += '\\t';
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break;
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default:
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res += input.charAt(i);
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}
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}
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return res;
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}
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function json_encode_simple(input)
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{
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switch (input.constructor)
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{
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case String:
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return '"' + json_escape_string(input) + '"';
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case Number:
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return input.toString();
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case Boolean:
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return input ? 'true' : 'false';
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default:
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return null;
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}
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}
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function json_encode(input)
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{
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if (input == null || !input && input.length == 0) return 'null';
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var simple_res = json_encode_simple(input);
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if (simple_res == null)
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{
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switch (input.constructor)
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{
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case Array:
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var buf = [];
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for (var k in input)
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{
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//Filter non numeric entries
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if (!isNaN(k))
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buf.push(json_encode(input[k]));
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}
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return '[' + buf.join(',') + ']';
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case Object:
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var buf = [];
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for (var k in input)
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{
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buf.push(json_encode_simple(k) + ':' + json_encode(input[k]));
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}
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return '{' + buf.join(',') + '}';
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default:
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switch(typeof input)
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{
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case 'array':
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var buf = [];
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for (var k in input)
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{
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//Filter non numeric entries
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if (!isNaN(k))
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buf.push(json_encode(input[k]));
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}
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return '[' + buf.join(',') + ']';
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case 'object':
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var buf = [];
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for (var k in input)
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{
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buf.push(json_encode_simple(k) + ':' + json_encode(input[k]));
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}
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return '{' + buf.join(',') + '}';
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}
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return 'null';
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}
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}
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else
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{
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return simple_res;
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}
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}
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/**
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* Try some deprecated ways of copying to the OS clipboard
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*
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* @param event Optional, but if you have an event we can try some things on it
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* @param target_element Element whose contents you're trying to copy
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* @param text Actual text. Usually target_element.value.
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* @returns {boolean}
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*/
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function fallbackCopyTextToClipboard(event, target_element, text)
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{
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const win = target_element?.ownerDocument.defaultView ?? target_element.ownerDocument.parentWindow ?? window;
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// Cancel any no-select css
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if (target_element)
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{
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let old_select = target_element.style.userSelect;
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target_element.style.userSelect = 'all'
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let range = document.createRange();
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range.selectNode(target_element);
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win.getSelection().removeAllRanges();
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win.getSelection().addRange(range);
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target_element.style.userSelect = old_select;
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// detect we are in IE via checking setActive, since it's
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// only supported in IE, and make sure there's clipboardData object
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if (event && typeof event.target.setActive != 'undefined' && win.clipboardData)
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{
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win.clipboardData.setData('Text', target_element.textContent.trim());
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}
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if (event && event.clipboardData)
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{
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event.clipboardData.setData('text/plain', target_element.textContent.trim());
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event.clipboardData.setData('text/html', target_element.outerHTML);
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}
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}
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let textArea;
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if (!win.clipboardData)
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{
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textArea = document.createElement("textarea");
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textArea.value = text;
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// Avoid scrolling to bottom
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textArea.style.top = "0";
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textArea.style.left = "0";
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textArea.style.position = "fixed";
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win.document.body.appendChild(textArea);
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textArea.focus();
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textArea.select();
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}
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let successful = false;
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try
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{
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successful = win.document.execCommand('copy');
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const msg = successful ? 'successful' : 'unsuccessful';
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console.log('Fallback: Copying text command was ' + msg);
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}
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catch (err)
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{
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successful = false;
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}
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win.document.body.removeChild(textArea);
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return successful;
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}
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var uid_counter = 0;
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/**
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* Global cache shared between all EGroupware windows
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* @type {{}}
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*/
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const cache = {};
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// Create the utils object which contains references to all functions
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// covered by it.
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var utils = {
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/**
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* Get a cache object shared between all EGroupware windows
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*
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* @param {string} _name unique name for the cache-object
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* @return {*}
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*/
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getCache: function(_name)
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{
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if (typeof cache[_name] === 'undefined') cache[_name] = {};
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return cache[_name];
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},
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/**
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* Invalidate / delete given part of the cache
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*
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* @param {string} _name unique name of cache-object
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* @param {string|RegExp|undefined} _attr undefined: invalidate/unset whole object or just the given attribute _attr or matching RegExp _attr
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*/
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invalidateCache: function(_name, _attr)
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{
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// string with regular expression like "/^something/i"
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if (typeof _attr === 'string' && _attr[0] === '/', _attr.indexOf('/', 1) !== -1)
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{
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let parts = _attr.split('/');
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parts.shift();
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const flags = parts.pop();
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_attr = new RegExp(parts.join('/'), flags);
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}
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if (typeof _attr === 'undefined' || typeof cache[_name] === 'undefined')
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{
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delete cache[_name];
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}
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else if (typeof _attr === 'object' && _attr.constructor.name === 'RegExp')
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{
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for(const attr in cache[_name])
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{
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if (attr.match(_attr)) delete cache[_name][attr];
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}
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}
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else
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{
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delete cache[_name][_attr];
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}
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},
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ajaxUrl: function(_menuaction) {
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if(_menuaction.indexOf('menuaction=') >= 0)
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{
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return _menuaction;
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}
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return this.webserverUrl + '/json.php?menuaction=' + _menuaction;
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},
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elemWindow: function(_elem) {
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var res =
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_elem.ownerDocument.parentNode ||
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_elem.ownerDocument.defaultView;
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return res;
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},
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uid: function() {
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return (uid_counter++).toString(16);
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},
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/**
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* Decode encoded vfs special chars
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*
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* @param {string} _path path to decode
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* @return {string}
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*/
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decodePath: function(_path) {
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try {
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return decodeURIComponent(_path);
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}
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catch(e) {
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// ignore decoding errors, as they usually only mean _path is not encoded
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egw.debug("error", "decodePath('"+_path+"'): "+e.stack);
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}
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return _path;
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},
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/**
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* Encode vfs special chars excluding /
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*
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* @param {string} _path path to decode
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* @return {string}
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*/
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encodePath: function(_path) {
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var components = _path.split('/');
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for(var n=0; n < components.length; n++)
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{
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components[n] = this.encodePathComponent(components[n]);
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}
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return components.join('/');
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},
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/**
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* Encode vfs special chars removing /
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*
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* '%' => '%25',
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* '#' => '%23',
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* '?' => '%3F',
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* '/' => '', // better remove it completly
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*
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* @param {string} _comp path to decode
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* @return {string}
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*/
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encodePathComponent: function(_comp) {
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return _comp.replace(/%/g,'%25').replace(/#/g,'%23').replace(/\?/g,'%3F').replace(/\//g,'');
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},
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/**
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* Hash a string
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*
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* @param string
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*/
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async hashString(string)
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{
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const data = (new TextEncoder()).encode(string);
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const hashBuffer = await crypto.subtle.digest('SHA-256', data);
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const hashArray = Array.from(new Uint8Array(hashBuffer));
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const hashHex = hashArray.map(byte => byte.toString(16).padStart(2, '0')).join('');
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return hashHex;
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},
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/**
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* Escape HTML special chars, just like PHP
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*
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* @param {string} s String to encode
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*
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* @return {string}
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*/
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htmlspecialchars: function(s) {
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return s.replace(/&/g, '&')
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.replace(/"/g, '"')
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.replace(/</g, '<')
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.replace(/>/g, '>');
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},
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/**
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* If an element has display: none (or a parent like that), it has no size.
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* Use this to get its dimensions anyway.
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*
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* @param element HTML element
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* @param boolOuter Pass true to get outerWidth() / outerHeight() instead of width() / height()
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*
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* @return Object [w: width, h: height]
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*
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* @author Ryan Wheale
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* @see http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/
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*/
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getHiddenDimensions: function(element, boolOuter) {
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var $item = jQuery(element);
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var props = { position: "absolute", visibility: "hidden", display: "block" };
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var dim = { "w":0, "h":0 , "left":0, "top":0};
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var $hiddenParents = $item.parents().andSelf().not(":visible");
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var oldProps = [];
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$hiddenParents.each(function() {
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var old = {};
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if (this.styles)
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{
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for (var name in props)
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{
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old[name] = this.style[name];
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}
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}
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else if (this.computedStyleMap)
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{
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for (var name in props)
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{
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let s = this.computedStyleMap().get(name)
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if (s)
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{
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old[name] = s.value || "";
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}
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}
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}
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jQuery(this).show();
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oldProps.push(old);
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});
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dim.w = (boolOuter === true) ? $item.outerWidth() : $item.width();
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dim.h = (boolOuter === true) ? $item.outerHeight() : $item.height();
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dim.top = $item.offset().top;
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dim.left = $item.offset().left;
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$hiddenParents.each(function(i) {
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var old = oldProps[i];
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if (this.style)
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{
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for (var name in props)
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{
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this.style[name] = old[name];
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}
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}
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});
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//$.log(”w: ” + dim.w + ”, h:” + dim.h)
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return dim;
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},
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/**
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* Store a window's name in egw.store so we can have a list of open windows
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*
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* @param {string} appname
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* @param {Window} popup
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*/
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storeWindow: function(appname, popup)
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{
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if (popup.opener && popup.opener.framework) popup.opener.framework.popups_garbage_collector();
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// Don't store if it has no name
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if(!popup.name || ['_blank'].indexOf(popup.name) >= 0)
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{
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return;
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}
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var _target_app = appname || this.appName || egw_appName || 'common';
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var open_windows = JSON.parse(this.getSessionItem(_target_app, 'windows')) || {};
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open_windows[popup.name] = Date.now();
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this.setSessionItem(_target_app, 'windows', JSON.stringify(open_windows));
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// We don't want to start the timer on the popup here, because this is the function that updates the timeout, so it would set a timer each time. Timer is started in egw.js
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},
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/**
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* Get a list of the names of open popups
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*
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* Using the name, you can get a reference to the popup using:
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* window.open('', name);
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* Popups that were not given a name when they were opened are not tracked.
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*
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* @param {string} appname Application that owns/opened the popup
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* @param {string} regex Optionally filter names by the given regular expression
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*
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* @returns {string[]} List of window names
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*/
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getOpenWindows: function(appname, regex) {
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var open_windows = JSON.parse(this.getSessionItem(appname, 'windows')) || {};
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if(typeof regex == 'undefined')
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{
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return open_windows;
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}
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var list = [];
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var now = Date.now();
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for(var i in open_windows)
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{
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// Expire old windows (5 seconds since last update)
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if(now - open_windows[i] > 5000)
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{
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egw.windowClosed(appname,i);
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continue;
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}
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if(i.match(regex))
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{
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list.push(i);
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}
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}
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return list;
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},
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/**
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* Notify egw of closing a named window, which removes it from the list
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*
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* @param {String} appname
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* @param {Window|String} closed Window that was closed, or its name
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* @returns {undefined}
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*/
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windowClosed: function (appname, closed)
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{
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var closed_name = typeof closed == "string" ? closed : closed.name;
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var closed_window = typeof closed == "string" ? null : closed;
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window.setTimeout(function ()
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{
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if (closed_window != null && !closed_window.closed)
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{
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return;
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}
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var open_windows = JSON.parse(egw().getSessionItem(appname, 'windows')) || {};
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delete open_windows[closed_name];
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egw.setSessionItem(appname, 'windows', JSON.stringify(open_windows));
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}, 100);
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},
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/**
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* Copy text to the clipboard
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*
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* @param text Actual text to copy. Usually target_element.value
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* @param target_element Optional, but useful for fallback copy attempts
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* @param event Optional, but if you have an event we can try some fallback options with it
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*
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* @returns {Promise<undefined|boolean>|Promise<void>}
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*/
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copyTextToClipboard: function (text, target_element, event)
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{
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if (!navigator.clipboard)
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{
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let success = fallbackCopyTextToClipboard(event, target_element, text);
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return Promise.resolve(success ? undefined : false);
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}
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// Use Clipboard API
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const win = target_element?.ownerDocument.defaultView ?? target_element.ownerDocument.parentWindow ?? window;
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return win.navigator.clipboard.writeText(text);
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}
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};
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// Check whether the browser already supports encoding JSON -- if yes, use
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// its implementation, otherwise our own
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if (typeof window.JSON !== 'undefined' && typeof window.JSON.stringify !== 'undefined')
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{
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utils["jsonEncode"] = JSON.stringify;
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}
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else
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{
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utils["jsonEncode"] = json_encode;
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}
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// Return the extension
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return utils;
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}); |