forked from extern/egroupware
527 lines
14 KiB
JavaScript
527 lines
14 KiB
JavaScript
/**
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* eGroupWare egw_action framework - egw action framework
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*
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* @link http://www.egroupware.org
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* @author Andreas Stöckel <as@stylite.de>
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* @copyright 2011 by Andreas Stöckel
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package egw_action
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*/
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import {EGW_AO_SHIFT_STATE_BLOCK, EGW_AO_SHIFT_STATE_MULTI, EGW_AO_SHIFT_STATE_NONE} from "./egw_action_constants.js";
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/**
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* Sets properties given in _data in _obj. Checks whether the property keys
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* exists and if corresponding setter functions are available. Properties starting
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* with "_" are ignored.
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*
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* @param object _data may be an object with data that will be stored inside the
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* given object.
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* @param object _obj is the object where the data will be stored.
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* @param mixed _setterOnly false: store everything, true: only store when setter exists, "data" store rest in data property
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*/
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export function egwActionStoreJSON(_data, _obj, _setterOnly)
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{
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for (var key in _data)
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{
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if (key.charAt(0) != '_')
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{
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//Check whether there is a setter function available
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if (typeof _obj['set_' + key] == "function")
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{
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_obj['set_' + key](_data[key]);
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}
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else if (typeof _obj[key] != "undefined" && !_setterOnly)
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{
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_obj[key] = _data[key];
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}
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else if (_setterOnly === 'data')
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{
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if (typeof _data.data == 'undefined') _data.data = {};
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_data.data[key] = _data[key];
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_obj.set_data(_data.data);
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}
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}
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}
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}
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/**
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* Switches the given bit in the set on or off.
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*
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* @param int _set is the current set
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* @param int _bit is the position of the bit which should be switched on/off
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* @param boolean _state is whether the bit should be switched on or off
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* @returns the new set
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*/
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export function egwSetBit(_set, _bit, _state)
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{
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if (_state)
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return _set |= _bit;
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else
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return _set &= ~_bit;
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}
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/**
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* Returns whether the given bit is set in the set.
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*/
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export function egwBitIsSet(_set, _bit)
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{
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return (_set & _bit) > 0;
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}
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export function egwObjectLength(_obj)
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{
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var len = 0;
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for (var k in _obj) len++;
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return len;
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}
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/**
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* IE Fix for array.indexOf
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*/
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if (typeof Array.prototype.indexOf == "undefined")
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{
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Array.prototype.indexOf = function(_elem) {
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for (var i = 0; i < this.length; i++)
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{
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if (this[i] === _elem)
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return i;
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}
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return -1;
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};
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}
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/**
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* Isolates the shift state from an event object
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*/
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export function egwGetShiftState(e)
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{
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var state = EGW_AO_SHIFT_STATE_NONE;
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state = egwSetBit(state, EGW_AO_SHIFT_STATE_MULTI, e.ctrlKey || e.metaKey);
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state = egwSetBit(state, EGW_AO_SHIFT_STATE_BLOCK, e.shiftKey);
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return state;
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}
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export function egwPreventSelect(e)
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{
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if (egwGetShiftState(e) > EGW_AO_SHIFT_STATE_NONE)
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{
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this.onselectstart = function() {
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return false;
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}
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return false;
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}
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return true;
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}
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export function egwResetPreventSelect(elem)
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{
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}
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export function egwUnfocus()
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{
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if (document.activeElement)
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{
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document.activeElement.blur();
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}
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}
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export function egwCallAbstract(_obj, _fn, _args)
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{
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if (_fn)
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{
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return _fn.apply(_obj, _args);
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}
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else
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{
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throw "egw_action Exception: Abstract function call in JS code.";
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}
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return false;
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}
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export function egwArraysEqual(_ar1, _ar2)
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{
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var result = _ar1.length == _ar2.length;
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for (var i = 0; i < _ar1.length; i++)
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{
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result = result && (_ar1[i] == _ar2[i])
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}
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return result;
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}
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var _egwQueuedCallbacks = {};
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export function egwQueueCallback(_proc, _args, _context, _id)
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{
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if (_proc)
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{
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var cur_id = 0;
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if (typeof _egwQueuedCallbacks[_id] == "undefined")
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{
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cur_id = _egwQueuedCallbacks[_id] = 1;
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}
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else
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{
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cur_id = ++_egwQueuedCallbacks[_id];
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}
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window.setTimeout(function() {
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if (_egwQueuedCallbacks[_id] == cur_id)
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{
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_proc.apply(_context, _args);
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delete _egwQueuedCallbacks[_id];
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}
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}, 0);
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}
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}
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/**
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* The eventQueue object is used to have control over certain events such as
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* ajax responses or timeouts. Sometimes it may happen, that a function attached
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* to such an event should no longer be called - with egwEventQueue one has
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* a simple possibility to control that.
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*/
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/**
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* Constructor for the egwEventQueue class. Initializes the queue object and the
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* internal data structures such as the internal key.
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*/
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export function egwEventQueue()
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{
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this.events = {};
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this.key_id = 0;
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}
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/**
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* Flushes all queued events - all events which had been queued in this queue objects
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* can no longer be ran by calling egwEventQueue.run
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*/
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egwEventQueue.prototype.flush = function()
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{
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this.events = {};
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}
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/**
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* Queues the given function. A key is returned which can be passed to the "run"
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* function which will then run the passed function.
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*
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* @param function _proc is the funciton which should be called
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* @param object _context is the context in which the function should be called
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* @param array _args is an optional array of parameters which should be passed
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* to the function. Defaults to an emtpy array.
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* @param string _id is an optional id which can be used to identify the event (may
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* also be a key returned by this funciton). If the queue function is called multiple
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* times for a given _id, the so called "call counter" of the event will be incremented.
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* Each time "run" is called for a given event, the "call counter" will be decremented.
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* Only if it reaches 0, the function connected to the event will be executed.
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*
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* @returns string the key which has to be passed to the "run" function.
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*/
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egwEventQueue.prototype.queue = function(_proc, _context, _args, _id)
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{
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// Default _args to an empty array
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if (typeof _args == "undefined" || !(_args instanceof Array))
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{
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_args = [];
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}
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// Increment the queue key which is used to store the event objectes with
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// a unique key
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this.key_id++;
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var key = "";
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// _id must be a string and evaluate to true - if this is not
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// generate an unique key.
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if (typeof _id != "string" || !_id)
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{
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key = "ev_" + this.key_id;
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}
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else
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{
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key = _id;
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}
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// Check whether an queued event with the given id already exists
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var cnt = 1;
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if (typeof this.events[key] != "undefined")
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{
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// The specified event already existed - increment the call counter.
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cnt = this.events[key].cnt + 1;
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}
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// Generate the event object
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this.events[key] = {
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"proc": _proc,
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"context": _context,
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"args": _args,
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"cnt": cnt
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}
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// Return the key which has to be passed to the "run" function in order to
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// run the specified function
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return key;
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}
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/**
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* Runs the event specified by the given key. The key is the string which had been
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* returned by the queue function.
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*/
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egwEventQueue.prototype.run = function(_key)
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{
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// Check whether the given key exists
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if (typeof this.events[_key] != "undefined")
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{
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// Fetch the event object
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var eventObj = this.events[_key];
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// Decrement the call counter
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eventObj.cnt--;
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// Only run the event if the call counter has reached zero
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if (eventObj.cnt == 0)
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{
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// Run the event
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eventObj.proc.apply(eventObj.context, eventObj.args);
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// Delete the given key from the event set
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delete this.events[_key];
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}
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}
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}
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/**
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* Does the same as "queue" but runs the event after the given timeout.
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*/
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egwEventQueue.prototype.queueTimeout = function(_proc, _context, _args, _id, _timeout)
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{
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// Create the queue entry
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var key = this.queue(_proc, _context, _args, _id);
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// Run the event in the setTimeout event.
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var self = this;
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window.setTimeout(function() {
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self.run(key);
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}, _timeout)
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}
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/**
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* Class which is used to be able to handle references to JavaScript functions
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* from strings.
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*
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* @param object _context is the context in which the function will be executed.
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* @param mixed _default is the default value which should be returned when no
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* function (string) has been set. If it is a function this function will be
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* called.
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* @param array _acceptedTypes is an array of types which contains the "typeof"
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* strings of accepted non-functions in setValue
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*/
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export function egwFnct(_context, _default, _acceptedTypes)
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{
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if (typeof _context == "undefined")
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{
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_context = null;
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}
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if (typeof _default == "undefined")
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{
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_default = false;
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}
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if (typeof _acceptedTypes == "undefined")
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{
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_acceptedTypes = ["boolean"];
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}
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this.context = _context;
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this.acceptedTypes = _acceptedTypes;
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this.fnct = null;
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this.value = null;
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// Flag for if this action is using a default handler
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this.isDefault = false;
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this.setValue(_default);
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}
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egwFnct.prototype.hasHandler = function()
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{
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return this.fnct !== null && !this.isDefault;
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}
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/**
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* Sets the function/return value for the exec function
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*/
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egwFnct.prototype.setValue = function(_value)
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{
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this.value = null;
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this.fnct = null;
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// Actual function
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if (typeof _value == "function")
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{
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this.fnct = _value;
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}
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else if (typeof _value == "string" && _value.substring(0, 11) === 'javaScript:')
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{
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this.fnct = function()
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{
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const manager = this.context && this.context.getManager ? this.context.getManager() : null;
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return egw.applyFunc(_value.substring(11), arguments, (manager ? manager.data.context : null) || window);
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}
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}
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else if (this.acceptedTypes.indexOf(typeof _value) >= 0)
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{
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this.value = _value;
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}
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// Something, but could not figure it out
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else if (_value)
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{
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egw.debug("warn", "Unable to parse Exec function %o for action '%s'",_value, this.context.id);
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}
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}
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/**
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* Executes the function
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*/
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egwFnct.prototype.exec = function()
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{
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if (this.fnct)
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{
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return this.fnct.apply(this.context, arguments);
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}
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else
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{
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return this.value;
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}
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}
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/**
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* Checks whether this is currently run on a mobile browser
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*/
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var _egw_mobileBrowser = null;
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export function egwIsMobile() {
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if (_egw_mobileBrowser == null)
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{
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var ua = navigator.userAgent;
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_egw_mobileBrowser =
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ua.match(/iPhone/i) || ua.match(/iPad/i) || ua.match(/iPod/) ||
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ua.match(/Android/i) || ua.match(/SymbianOS/i);
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}
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return _egw_mobileBrowser;
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}
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window.egwIsMobile = egwIsMobile;
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/**
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sprintf() for JavaScript 0.6
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Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of sprintf() for JavaScript nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL Alexandru Marasteanu BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Changelog:
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2007.04.03 - 0.1:
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- initial release
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2007.09.11 - 0.2:
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- feature: added argument swapping
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2007.09.17 - 0.3:
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- bug fix: no longer throws exception on empty paramenters (Hans Pufal)
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2007.10.21 - 0.4:
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- unit test and patch (David Baird)
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2010.05.09 - 0.5:
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- bug fix: 0 is now preceeded with a + sign
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- bug fix: the sign was not at the right position on padded results (Kamal Abdali)
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- switched from GPL to BSD license
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2010.05.22 - 0.6:
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- reverted to 0.4 and fixed the bug regarding the sign of the number 0
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Note:
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Thanks to Raphael Pigulla <raph (at] n3rd [dot) org> (http://www.n3rd.org/)
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who warned me about a bug in 0.5, I discovered that the last update was
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a regress. I appologize for that.
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**/
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export function str_repeat(i, m) {
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for (var o = []; m > 0; o[--m] = i);
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return o.join('');
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}
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export function sprintf() {
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var i = 0, a, f = arguments[i++], o = [], m, p, c, x, s = '';
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while (f) {
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if (m = /^[^\x25]+/.exec(f)) {
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o.push(m[0]);
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}
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else if (m = /^\x25{2}/.exec(f)) {
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o.push('%');
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}
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else if (m = /^\x25(?:(\d+)\$)?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(f)) {
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if (((a = arguments[m[1] || i++]) == null) || (a == undefined)) {
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throw('Too few arguments.');
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}
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if (/[^s]/.test(m[7]) && (typeof(a) != 'number')) {
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throw('Expecting number but found ' + typeof(a));
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}
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switch (m[7]) {
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case 'b': a = a.toString(2); break;
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case 'c': a = String.fromCharCode(a); break;
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case 'd': a = parseInt(a); break;
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case 'e': a = m[6] ? a.toExponential(m[6]) : a.toExponential(); break;
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case 'f': a = m[6] ? parseFloat(a).toFixed(m[6]) : parseFloat(a); break;
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case 'o': a = typeof(a) == 'number' ? a.toString(8):JSON.stringify(a); break;
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case 's': a = ((a = String(a)) && m[6] ? a.substring(0, m[6]) : a); break;
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case 'u': a = Math.abs(a); break;
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case 'x': a = a.toString(16); break;
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case 'X': a = a.toString(16).toUpperCase(); break;
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}
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a = (/[def]/.test(m[7]) && m[2] && a >= 0 ? '+'+ a : a);
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c = m[3] ? m[3] == '0' ? '0' : m[3].charAt(1) : ' ';
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x = m[5] - String(a).length - s.length;
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p = m[5] ? str_repeat(c, x) : '';
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o.push(s + (m[4] ? a + p : p + a));
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}
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else {
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throw('Invalid sprintf format "' + arguments[0]+'"');
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}
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f = f.substring(m[0].length);
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}
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return o.join('');
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}
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// make some functions global for old eTemplate apps like KnowledgeBase
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if (typeof window.egwPreventSelect === 'undefined')
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{
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window.egwPreventSelect = egwPreventSelect;
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window.egwBitIsSet = egwBitIsSet;
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window.egwUnfocus = egwUnfocus;
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} |