mirror of
https://github.com/EGroupware/egroupware.git
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768 lines
16 KiB
JavaScript
768 lines
16 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Widget base class
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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
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* @copyright Stylite 2011
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* @version $Id$
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*/
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"use strict";
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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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* Array with all types supported by the et2_checkType function.
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*/
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var et2_validTypes = ["boolean", "string", "float", "integer", "any", "js", "dimension"];
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/**
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* Object whith default values for the above types. Do not specify array or
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* objects inside the et2_typeDefaults object, as this instance will be shared
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* between all users of it.
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*/
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var et2_typeDefaults = {
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"boolean": false,
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"string": "",
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"js": null,
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"float": 0.0,
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"integer": 0,
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"any": null,
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"dimension": "auto"
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};
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function et2_evalBool(_val)
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{
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if (typeof _val == "string")
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{
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if (_val == "false")
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{
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return false;
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}
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}
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return _val ? true : false;
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}
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/**
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* Concat et2 name together, eg. et2_concat("namespace","test[something]") == "namespace[test][something]"
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* @param variable number of arguments to contact
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* @returns string
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*/
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function et2_form_name(_cname,_name)
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{
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var parts = [];
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for(var i=0; i < arguments.length; ++i)
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{
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var name = arguments[i];
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if (typeof name == 'string' && name.length > 0) // et2_namespace("","test") === "test" === et2_namespace(null,"test")
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{
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parts = parts.concat(name.replace(/]/g,'').split('['));
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}
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}
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var name = parts.shift();
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return parts.length ? name + '['+parts.join('][')+']' : name;
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}
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/**
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* Checks whether the given value is of the given type. Strings are converted
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* into the corresponding type. The (converted) value is returned. All supported
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* types are listed in the et2_validTypes array.
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*/
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function et2_checkType(_val, _type, _attr, _cname)
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{
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if (typeof _attr == "undefined")
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{
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_attr = null;
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}
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function _err() {
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var res = et2_typeDefaults[_type];
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if(typeof _val != "undefined" && _val)
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{
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egw.debug("warn", "'" + _val + "' was not of specified _type '" +
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_type + (_attr != null ? "' for attribute '" + _attr + "' " : "") +
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"and is now '" + res + "'");
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}
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return res;
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}
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// If the type is "any" simply return the value again
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if (_type == "any")
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{
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return _val;
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}
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// If the type is boolean, check whether the given value is exactly true or
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// false. Otherwise check whether the value is the string "true" or "false".
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if (_type == "boolean")
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{
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if (_val === true || _val === false)
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{
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return _val;
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}
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if (typeof _val == "string")
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{
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var lcv = _val.toLowerCase();
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if (lcv === "true" || lcv === "false" || lcv === "")
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{
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return _val === "true";
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}
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if(lcv === "0" || lcv === "1")
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{
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return _val === "1";
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}
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}
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else if (typeof _val == "number")
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{
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return _val != 0;
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}
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return _err();
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}
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// Check whether the given value is of the type "string"
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if (_type == "string")
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{
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if (typeof _val == "string")
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{
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return _val;
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}
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// Handle some less common possibilities
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// Maybe a split on an empty string
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if(typeof _val == "object" && jQuery.isEmptyObject(_val)) return "";
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return _err();
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}
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// Check whether the value is already a number, otherwise try to convert it
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// to one.
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if (_type == "float")
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{
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if (typeof _val == "number")
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{
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return _val;
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}
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if (!isNaN(_val))
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{
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return parseFloat(_val);
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}
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return _err();
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}
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// Check whether the value is an integer by comparing the result of
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// parseInt(_val) to the value itself.
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if (_type == "integer")
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{
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if (parseInt(_val) == _val)
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{
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return parseInt(_val);
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}
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return _err();
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}
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// Parse the given dimension value
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if (_type == "dimension")
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{
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// Case 1: The value is "auto"
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if (_val == "auto")
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{
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return _val;
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}
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// Case 2: The value is simply a number, attach "px"
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if (!isNaN(_val))
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{
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return parseFloat(_val) + "px";
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}
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// Case 3: The value is already a valid css pixel value or a percentage
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if (typeof _val == "string" &&
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((_val.indexOf("px") == _val.length - 2 && !isNaN(_val.split("px")[0])) ||
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(_val.indexOf("%") == _val.length - 1 && !isNaN(_val.split("%")[0]))))
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{
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return _val;
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}
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return _err();
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}
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// Javascript
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if (_type == "js")
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{
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if (typeof _val == "function")
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{
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return _val;
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}
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// Check to see if it's a string in app.appname.function format, and wrap it in
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// a closure to make sure context is preserved
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if(typeof _val == "string" && _val.substr(0,4) == "app." && window.app)
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{
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var parts = _val.split('.');
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var func = parts.pop();
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var parent = window;
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for(var i=0; i < parts.length && typeof parent[parts[i]] != 'undefined'; ++i)
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{
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parent = parent[parts[i]];
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}
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if (typeof parent[func] == 'function')
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{
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try
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{
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return jQuery.proxy(parent[func],parent);
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}
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catch (e)
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{
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req.egw.debug('error', 'Function', _val);
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return _err();
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}
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}
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}
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}
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// We should never come here
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throw("Invalid type identifier '" + _attr + ": " + _type + "' supplied by '" + _cname + "'");
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}
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/**
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* If et2_no_init is set as default value, the initAttributes function will not
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* try to initialize the attribute with the default value.
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*/
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var et2_no_init = new Object();
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/**
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* Validates the given attribute with the given id. The validation checks for
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* the existance of a human name, a description, a type and a default value.
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* If the human name defaults to the given id, the description defaults to an
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* empty string, the type defaults to any and the default to the corresponding
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* type default.
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*/
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function et2_validateAttrib(_id, _attrib)
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{
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// Default ignore to false.
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if (typeof _attrib["ignore"] == "undefined")
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{
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_attrib["ignore"] = false;
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}
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// Break if "ignore" is set to true.
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if (_attrib.ignore)
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{
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return;
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}
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if (typeof _attrib["name"] == "undefined")
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{
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_attrib["name"] = _id;
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egw.debug("log", "Human name ('name'-Field) for attribute '" +
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_id + "' has not been supplied, set to '" + _id + "'");
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}
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if (typeof _attrib["description"] == "undefined")
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{
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_attrib["description"] = "";
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egw.debug("log", "Description for attribute '" +
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_id + "' has not been supplied");
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}
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if (typeof _attrib["type"] == "undefined")
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{
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_attrib["type"] = "any";
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}
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else
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{
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if (et2_validTypes.indexOf(_attrib["type"]) < 0)
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{
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egw.debug("error", "Invalid type '" + _attrib["type"] + "' for attribute '" + _id +
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"' supplied. Valid types are ", et2_validTypes);
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}
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}
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// Set the defaults
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if (typeof _attrib["default"] == "undefined")
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{
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_attrib["default"] = et2_typeDefaults[_attrib["type"]];
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}
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}
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/**
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* Equivalent to the PHP array_values function
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*/
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function et2_arrayValues(_arr)
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{
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var result = [];
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for (var key in _arr)
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{
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if (parseInt(key) == key)
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{
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result.push(_arr[key]);
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}
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}
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return result;
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}
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/**
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* Equivalent to the PHP array_keys function
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*/
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function et2_arrayKeys(_arr)
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{
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var result = [];
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for (var key in _arr)
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{
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result.push(key);
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}
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return result;
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}
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function et2_arrayIntKeys(_arr)
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{
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var result = [];
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for (var key in _arr)
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{
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result.push(parseInt(key));
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}
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return result;
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}
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/**
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* Equivalent to the PHP substr function, partly take from phpjs, licensed under
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* the GPL.
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*/
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function et2_substr (str, start, len) {
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var end = str.length;
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if (start < 0)
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{
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start += end;
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}
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end = typeof len === 'undefined' ? end : (len < 0 ? len + end : len + start);
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return start >= str.length || start < 0 || start > end ? "" : str.slice(start, end);
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}
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/**
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* Split a $delimiter-separated options string, which can contain parts with
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* delimiters enclosed in $enclosure. Ported from class.boetemplate.inc.php
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*
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* Examples:
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* - et2_csvSplit('"1,2,3",2,3') === array('1,2,3','2','3')
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* - et2_csvSplit('1,2,3',2) === array('1','2,3')
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* - et2_csvSplit('"1,2,3",2,3',2) === array('1,2,3','2,3')
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* - et2_csvSplit('"a""b,c",d') === array('a"b,c','d') // to escape enclosures double them!
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*
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* @param string _str
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* @param int _num=null in how many parts to split maximal, parts over this
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* number end up (unseparated) in the last part
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* @param string _delimiter=','
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* @param string _enclosure='"'
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* @return array
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*/
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function et2_csvSplit(_str, _num, _delimiter, _enclosure)
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{
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// Default the parameters
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if (typeof _str == "undefined" || _str == null)
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{
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_str = "";
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}
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if (typeof _num == "undefined")
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{
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_num = null;
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}
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if (typeof _delimiter == "undefined")
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{
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_delimiter = ",";
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}
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if (typeof _enclosure == "undefined")
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{
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_enclosure = '"';
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}
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// If the _enclosure string does not occur in the string, simply use the
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// split function
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if (_str.indexOf(_enclosure) == -1)
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{
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return _num === null ? _str.split(_delimiter) :
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_str.split(_delimiter, _num);
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}
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// Split the string at the delimiter and join it again, when a enclosure is
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// found at the beginning/end of a part
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var parts = _str.split(_delimiter);
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for (var n = 0; typeof parts[n] != "undefined"; n++)
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{
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var part = parts[n];
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if (part.charAt(0) === _enclosure)
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{
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var m = n;
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while (typeof parts[m + 1] != "undefined" && parts[n].substr(-1) !== _enclosure)
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{
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parts[n] += _delimiter + parts[++m];
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delete(parts[m]);
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}
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parts[n] = et2_substr(parts[n].replace(
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new RegExp(_enclosure + _enclosure, 'g'), _enclosure), 1 , -1);
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n = m;
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}
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}
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// Rebuild the array index
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parts = et2_arrayValues(parts);
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// Limit the parts to the given number
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if (_num !== null && _num > 0 && _num < parts.length && parts.length > 0)
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{
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parts[_num - 1] = parts.slice(_num - 1, parts.length).join(_delimiter);
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parts = parts.slice(0, _num);
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}
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return parts;
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}
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/**
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* Parses the given string and returns an array marking parts which are URLs
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*/
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function et2_activateLinks(_content)
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{
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var _match = false;
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var arr = [];
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function _splitPush(_matches, _proc)
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{
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if (_matches)
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{
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// We had a match
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_match = true;
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// Replace "undefined" with ""
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for (var i = 1; i < _matches.length; i++)
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{
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if (typeof _matches[i] == "undefined")
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{
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_matches[i] = "";
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}
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}
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// Split the content string at the given position
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var splitted = _content.split(_matches[0], 2);
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// Push the not-matched part
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if (splitted[0])
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{
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// activate the links of the left string
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arr = arr.concat(et2_activateLinks(splitted[0]));
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}
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// Call the callback function which converts the matches into an object
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// and appends it to the string
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_proc(_matches);
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// Set the new working string to the right part
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_content = splitted[1];
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}
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}
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var mail_regExp = /mailto:([a-z0-9._-]+)@([a-z0-9_-]+)\.([a-z0-9._-]+)/i;
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// First match things beginning with http:// (or other protocols)
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var protocol = '(http:\\/\\/|(ftp:\\/\\/|https:\\/\\/))'; // only http:// gets removed, other protocolls are shown
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var domain = '([\\w-]+\\.[\\w-.]+)';
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var subdir = '([\\w\\-\\.,@?^=%&;:\\/~\\+#]*[\\w\\-\\@?^=%&\\/~\\+#])?';
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var http_regExp = new RegExp(protocol + domain + subdir, 'i');
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// Now match things beginning with www.
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var domain = 'www(\\.[\\w-.]+)';
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var subdir = '([\\w\\-\\.,@?^=%&:\\/~\\+#]*[\\w\\-\\@?^=%&\\/~\\+#])?';
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var www_regExp = new RegExp(domain + subdir, 'i');
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do {
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_match = false;
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// Abort if the remaining length of _content is smaller than 20 for
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// performance reasons
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if (!_content)
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{
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break;
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}
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// No need make emailaddress spam-save, as it gets dynamically created
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_splitPush(_content.match(mail_regExp), function(_matches) {
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arr.push({
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"href": _matches[0],
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"text": _matches[1] + "@" + _matches[2] + "." + _matches[3]
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});
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});
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// Create hrefs for links starting with "http://"
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_splitPush(_content.match(http_regExp), function(_matches) {
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arr.push({
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"href": _matches[0],
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"text": _matches[2] + _matches[3] + _matches[4]
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});
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});
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// Create hrefs for links starting with "www."
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_splitPush(_content.match(www_regExp), function(_matches) {
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arr.push({
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"href": "http://" + _matches[0],
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"text": _matches[0]
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});
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});
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} while (_match)
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arr.push(_content);
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return arr;
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}
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/**
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* Inserts the structure generated by et2_activateLinks into the given DOM-Node
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*/
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function et2_insertLinkText(_text, _node, _target)
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{
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if(!_node)
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{
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egw.debug("warn", "et2_insertLinkText called without node", _text, _node, _target);
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return;
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}
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// Clear the node
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for (var i = _node.childNodes.length - 1; i >= 0; i--)
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{
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_node.removeChild(_node.childNodes[i]);
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}
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for (var i = 0; i < _text.length; i++)
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{
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var s = _text[i];
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if (typeof s == "string" || typeof s == "number")
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{
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// Include line breaks
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var lines = s.split ? s.split('\n') : [s];
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// Insert the lines
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|
for (var j = 0; j < lines.length; j++)
|
|
{
|
|
_node.appendChild(document.createTextNode(lines[j]));
|
|
|
|
if (j < lines.length - 1)
|
|
{
|
|
_node.appendChild(document.createElement("br"));
|
|
}
|
|
}
|
|
}
|
|
else if(s.text) // no need to generate a link, if there is no content in it
|
|
{
|
|
if(!s.href)
|
|
{
|
|
egw.debug("warn", "et2_activateLinks gave bad data", s, _node, _target);
|
|
s.href = "";
|
|
}
|
|
var a = $j(document.createElement("a"))
|
|
.attr("href", s.href)
|
|
.text(s.text);
|
|
|
|
if (typeof _target != "undefined" && _target && _target != "_self")
|
|
{
|
|
a.attr("target", _target);
|
|
}
|
|
|
|
a.appendTo(_node);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a copy of the given object (non recursive)
|
|
*/
|
|
function et2_cloneObject(_obj)
|
|
{
|
|
var result = {};
|
|
|
|
for (var key in _obj)
|
|
{
|
|
result[key] = _obj[key];
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the given array of nodes or their children contains the given
|
|
* child node.
|
|
*/
|
|
function et2_hasChild(_nodes, _child)
|
|
{
|
|
for (var i = 0; i < _nodes.length; i++)
|
|
{
|
|
if (_nodes[i] == _child)
|
|
{
|
|
return true;
|
|
}
|
|
else if (_nodes[i].childNodes)
|
|
{
|
|
var res = et2_hasChild(_nodes[i].childNodes, _child);
|
|
|
|
if (res)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Functions to work with ranges and range intersection (used in the dataview)
|
|
*/
|
|
|
|
/**
|
|
* Common functions used in most view classes
|
|
*/
|
|
|
|
/**
|
|
* Returns an "range" object with the given top position and height
|
|
*/
|
|
function et2_range(_top, _height)
|
|
{
|
|
return {
|
|
"top": _top,
|
|
"bottom": _top + _height
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Returns an "area" object with the given top- and bottom position
|
|
*/
|
|
function et2_bounds(_top, _bottom)
|
|
{
|
|
return {
|
|
"top": _top,
|
|
"bottom": _bottom
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Returns whether two range objects intersect each other
|
|
*/
|
|
function et2_rangeIntersect(_ar1, _ar2)
|
|
{
|
|
return ! (_ar1.bottom < _ar2.top || _ar1.top > _ar2.bottom);
|
|
}
|
|
|
|
/**
|
|
* Returns whether two ranges intersect (result = 0) or their relative position
|
|
* to each other (used to do a binary search inside a list of sorted range objects).
|
|
*/
|
|
function et2_rangeIntersectDir(_ar1, _ar2)
|
|
{
|
|
if (_ar1.bottom < _ar2.top)
|
|
{
|
|
return -1;
|
|
}
|
|
if (_ar1.top > _ar2.bottom)
|
|
{
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Returns whether two ranges are equal.
|
|
*/
|
|
function et2_rangeEqual(_ar1, _ar2)
|
|
{
|
|
return _ar1.top === _ar2.top && _ar1.bottom === _ar2.bottom;
|
|
}
|
|
|
|
/**
|
|
* Substracts _ar2 from _ar1, returns an array of new ranges.
|
|
*/
|
|
function et2_rangeSubstract(_ar1, _ar2)
|
|
{
|
|
// Per default return the complete _ar1 range
|
|
var res = [_ar1];
|
|
|
|
// Check whether there is an intersection between the given ranges
|
|
if (et2_rangeIntersect(_ar1, _ar2))
|
|
{
|
|
res = [et2_bounds(_ar1.top, _ar2.top),
|
|
et2_bounds(_ar2.bottom, _ar1.bottom)];
|
|
}
|
|
|
|
// Remove all zero-length ranges from the result
|
|
for (var i = res.length - 1; i >= 0; i--)
|
|
{
|
|
if (res[i].bottom - res[i].top <= 0)
|
|
{
|
|
res.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Call a function specified by it's name (possibly dot separated, eg. "app.myapp.myfunc")
|
|
*
|
|
* @param string func dot-separated function name
|
|
* @param arguments variable number of arguments
|
|
* @returns {Boolean}
|
|
*/
|
|
function et2_call(_func)
|
|
{
|
|
var args = [].slice.call(arguments); // convert arguments to array
|
|
var func = args.shift();
|
|
var parent = window;
|
|
|
|
if (typeof _func == 'string')
|
|
{
|
|
var parts = _func.split('.');
|
|
func = parts.pop();
|
|
for(var i=0; i < parts.length && typeof parent[parts[i]] != 'undefined'; ++i)
|
|
{
|
|
parent = parent[parts[i]];
|
|
}
|
|
if (typeof parent[func] == 'function')
|
|
{
|
|
func = parent[func];
|
|
}
|
|
}
|
|
if (typeof func != 'function')
|
|
{
|
|
throw _func+" is not a function!";
|
|
}
|
|
return func.apply(parent, args);
|
|
}
|