silverstripe-framework/thirdparty/tinymce/classes/tinymce.js

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/**
* $Id: tinymce.js 1091 2009-04-20 12:14:33Z spocke $
*
* @author Moxiecode
* @copyright Copyright <EFBFBD> 2004-2008, Moxiecode Systems AB, All rights reserved.
*/
/**#@+
* @class Core namespace with core functionality for the TinyMCE API all sub classes will be added to this namespace/object.
* @static
* @member tinymce
*/
var tinymce = {
majorVersion : '@@tinymce_major_version@@',
minorVersion : '@@tinymce_minor_version@@',
releaseDate : '@@tinymce_release_date@@',
/**#@+
* @method
*/
/**
* Initializes the TinyMCE global namespace this will setup browser detection and figure out where TinyMCE is running from.
*/
_init : function() {
var t = this, d = document, w = window, na = navigator, ua = na.userAgent, i, nl, n, base, p, v;
// Browser checks
t.isOpera = w.opera && opera.buildNumber;
t.isWebKit = /WebKit/.test(ua);
t.isIE = !t.isWebKit && !t.isOpera && (/MSIE/gi).test(ua) && (/Explorer/gi).test(na.appName);
t.isIE6 = t.isIE && /MSIE [56]/.test(ua);
t.isGecko = !t.isWebKit && /Gecko/.test(ua);
t.isMac = ua.indexOf('Mac') != -1;
t.isAir = /adobeair/i.test(ua);
// TinyMCE .NET webcontrol might be setting the values for TinyMCE
if (w.tinyMCEPreInit) {
t.suffix = tinyMCEPreInit.suffix;
t.baseURL = tinyMCEPreInit.base;
t.query = tinyMCEPreInit.query;
return;
}
// Get suffix and base
t.suffix = '';
// If base element found, add that infront of baseURL
nl = d.getElementsByTagName('base');
for (i=0; i<nl.length; i++) {
if (v = nl[i].href) {
// Host only value like http://site.com or http://site.com:8008
if (/^https?:\/\/[^\/]+$/.test(v))
v += '/';
base = v ? v.match(/.*\//)[0] : ''; // Get only directory
}
}
function getBase(n) {
if (n.src && /tiny_mce(|_dev|_src|_gzip|_jquery|_prototype).js/.test(n.src)) {
if (/_(src|dev)\.js/g.test(n.src))
t.suffix = '_src';
if ((p = n.src.indexOf('?')) != -1)
t.query = n.src.substring(p + 1);
t.baseURL = n.src.substring(0, n.src.lastIndexOf('/'));
// If path to script is relative and a base href was found add that one infront
if (base && t.baseURL.indexOf('://') == -1)
t.baseURL = base + t.baseURL;
return t.baseURL;
}
return null;
};
// Check document
nl = d.getElementsByTagName('script');
for (i=0; i<nl.length; i++) {
if (getBase(nl[i]))
return;
}
// Check head
n = d.getElementsByTagName('head')[0];
if (n) {
nl = n.getElementsByTagName('script');
for (i=0; i<nl.length; i++) {
if (getBase(nl[i]))
return;
}
}
return;
},
/**
* Checks if a object is of a specific type for example an array.
*
* @param {Object} o Object to check type of.
* @param {string} t Optional type to check for.
* @return {bool} true/false if the object is of the specified type.
*/
is : function(o, t) {
var n = typeof(o);
if (!t)
return n != 'undefined';
if (t == 'array' && (o.hasOwnProperty && o instanceof Array))
return true;
return n == t;
},
// #ifndef jquery
/**
* Performs an iteration of all items in a collection such as an object or array. This method will execure the
* callback function for each item in the collection, if the callback returns false the iteration will terminate.
* The callback has the following format: cb(value, key_or_index).
*
* @param {Object} o Collection to iterate.
* @param {function} cb Callback function to execute for each item.
* @param {Object} s Optional scope to execute the callback in.
*/
each : function(o, cb, s) {
var n, l;
if (!o)
return 0;
s = s || o;
if (typeof(o.length) != 'undefined') {
// Indexed arrays, needed for Safari
for (n=0, l = o.length; n<l; n++) {
if (cb.call(s, o[n], n, o) === false)
return 0;
}
} else {
// Hashtables
for (n in o) {
if (o.hasOwnProperty(n)) {
if (cb.call(s, o[n], n, o) === false)
return 0;
}
}
}
return 1;
},
/**
* Creates a new array by the return value of each iteration function call. This enables you to convert
* one array list into another.
*
* @param {Array} a Array of items to iterate.
* @param {function} f Function to call for each item. It's return value will be the new value.
* @return {Array} Array with new values based on function return values.
*/
map : function(a, f) {
var o = [];
tinymce.each(a, function(v) {
o.push(f(v));
});
return o;
},
/**
* Filters out items from the input array by calling the specified function for each item.
* If the function returns false the item will be excluded if it returns true it will be included.
*
* @param {Array} a Array of items to loop though.
* @param {function} f Function to call for each item. Include/exclude depends on it's return value.
* @return {Array} New array with values imported and filtered based in input.
*/
grep : function(a, f) {
var o = [];
tinymce.each(a, function(v) {
if (!f || f(v))
o.push(v);
});
return o;
},
/**
* Returns the index of a value in an array, this method will return -1 if the item wasn't found.
*
* @param {Array} a Array/Object to search for value in.
* @param {Object} v Value to check for inside the array.
* @return {Number/String} Index of item inside the array inside an object. Or -1 if it wasn't found.
*/
inArray : function(a, v) {
var i, l;
if (a) {
for (i = 0, l = a.length; i < l; i++) {
if (a[i] === v)
return i;
}
}
return -1;
},
/**
* Extends an object with the specified other object(s).
*
* @param {Object} o Object to extend with new items.
* @param {Object} e..n Object(s) to extend the specified object with.
* @return {Object} o New extended object, same reference as the input object.
*/
extend : function(o, e) {
var i, a = arguments;
for (i=1; i<a.length; i++) {
e = a[i];
tinymce.each(e, function(v, n) {
if (typeof(v) !== 'undefined')
o[n] = v;
});
}
return o;
},
/**
* Removes whitespace from the beginning and end of a string.
*
* @param {String} s String to remove whitespace from.
* @return {String} New string with removed whitespace.
*/
trim : function(s) {
return (s ? '' + s : '').replace(/^\s*|\s*$/g, '');
},
// #endif
/**
* Creates a class, subclass or static singleton.
* More details on this method can be found in the Wiki.
*
* @param {String} s Class name, inheritage and prefix.
* @param {Object} o Collection of methods to add to the class.
*/
create : function(s, p) {
var t = this, sp, ns, cn, scn, c, de = 0;
// Parse : <prefix> <class>:<super class>
s = /^((static) )?([\w.]+)(:([\w.]+))?/.exec(s);
cn = s[3].match(/(^|\.)(\w+)$/i)[2]; // Class name
// Create namespace for new class
ns = t.createNS(s[3].replace(/\.\w+$/, ''));
// Class already exists
if (ns[cn])
return;
// Make pure static class
if (s[2] == 'static') {
ns[cn] = p;
if (this.onCreate)
this.onCreate(s[2], s[3], ns[cn]);
return;
}
// Create default constructor
if (!p[cn]) {
p[cn] = function() {};
de = 1;
}
// Add constructor and methods
ns[cn] = p[cn];
t.extend(ns[cn].prototype, p);
// Extend
if (s[5]) {
sp = t.resolve(s[5]).prototype;
scn = s[5].match(/\.(\w+)$/i)[1]; // Class name
// Extend constructor
c = ns[cn];
if (de) {
// Add passthrough constructor
ns[cn] = function() {
return sp[scn].apply(this, arguments);
};
} else {
// Add inherit constructor
ns[cn] = function() {
this.parent = sp[scn];
return c.apply(this, arguments);
};
}
ns[cn].prototype[cn] = ns[cn];
// Add super methods
t.each(sp, function(f, n) {
ns[cn].prototype[n] = sp[n];
});
// Add overridden methods
t.each(p, function(f, n) {
// Extend methods if needed
if (sp[n]) {
ns[cn].prototype[n] = function() {
this.parent = sp[n];
return f.apply(this, arguments);
};
} else {
if (n != cn)
ns[cn].prototype[n] = f;
}
});
}
// Add static methods
t.each(p['static'], function(f, n) {
ns[cn][n] = f;
});
if (this.onCreate)
this.onCreate(s[2], s[3], ns[cn].prototype);
},
/**
* Executed the specified function for each item in a object tree.
*
* @param {Object} o Object tree to walk though.
* @param {function} f Function to call for each item.
* @param {String} n Optional name of collection inside the objects to walk for example childNodes.
* @param {String} s Optional scope to execute the function in.
*/
walk : function(o, f, n, s) {
s = s || this;
if (o) {
if (n)
o = o[n];
tinymce.each(o, function(o, i) {
if (f.call(s, o, i, n) === false)
return false;
tinymce.walk(o, f, n, s);
});
}
},
/**
* Creates a namespace on a specific object.
*
* @param {String} n Namespace to create for example a.b.c.d.
* @param {Object} o Optional object to add namespace to, defaults to window.
* @return {Object} New namespace object the last item in path.
*/
createNS : function(n, o) {
var i, v;
o = o || window;
n = n.split('.');
for (i=0; i<n.length; i++) {
v = n[i];
if (!o[v])
o[v] = {};
o = o[v];
}
return o;
},
/**
* Resolves a string and returns the object from a specific structure.
*
* @param {String} n Path to resolve for example a.b.c.d.
* @param {Object} o Optional object to search though, defaults to window.
* @return {Object} Last object in path or null if it couldn't be resolved.
*/
resolve : function(n, o) {
var i, l;
o = o || window;
n = n.split('.');
for (i=0, l = n.length; i<l; i++) {
o = o[n[i]];
if (!o)
break;
}
return o;
},
/**
* Adds an unload handler to the document. This handler will be executed when the document gets unloaded.
* This method is useful for dealing with browser memory leaks where it might be vital to remove DOM references etc.
*
* @param {function} f Function to execute before the document gets unloaded.
* @param {Object} s Optional scope to execute the function in.
* @return {function} Returns the specified unload handler function.
*/
addUnload : function(f, s) {
var t = this, w = window;
f = {func : f, scope : s || this};
if (!t.unloads) {
function unload() {
var li = t.unloads, o, n;
if (li) {
// Call unload handlers
for (n in li) {
o = li[n];
if (o && o.func)
o.func.call(o.scope, 1); // Send in one arg to distinct unload and user destroy
}
// Detach unload function
if (w.detachEvent) {
w.detachEvent('onbeforeunload', fakeUnload);
w.detachEvent('onunload', unload);
} else if (w.removeEventListener)
w.removeEventListener('unload', unload, false);
// Destroy references
t.unloads = o = li = w = unload = 0;
// Run garbarge collector on IE
if (window.CollectGarbage)
window.CollectGarbage();
}
};
function fakeUnload() {
var d = document;
// Is there things still loading, then do some magic
if (d.readyState == 'interactive') {
function stop() {
// Prevent memory leak
d.detachEvent('onstop', stop);
// Call unload handler
if (unload)
unload();
d = 0;
};
// Fire unload when the currently loading page is stopped
if (d)
d.attachEvent('onstop', stop);
// Remove onstop listener after a while to prevent the unload function
// to execute if the user presses cancel in an onbeforeunload
// confirm dialog and then presses the browser stop button
window.setTimeout(function() {
if (d)
d.detachEvent('onstop', stop);
}, 0);
}
};
// Attach unload handler
if (w.attachEvent) {
w.attachEvent('onunload', unload);
w.attachEvent('onbeforeunload', fakeUnload);
} else if (w.addEventListener)
w.addEventListener('unload', unload, false);
// Setup initial unload handler array
t.unloads = [f];
} else
t.unloads.push(f);
return f;
},
/**
* Removes the specified function form the unload handler list.
*
* @param {function} f Function to remove from unload handler list.
* @return {function} Removed function name or null if it wasn't found.
*/
removeUnload : function(f) {
var u = this.unloads, r = null;
tinymce.each(u, function(o, i) {
if (o && o.func == f) {
u.splice(i, 1);
r = f;
return false;
}
});
return r;
},
/**
* Splits a string but removes the whitespace before and after each value.
*
* @param {string} s String to split.
* @param {string} d Delimiter to split by.
*/
explode : function(s, d) {
return s ? tinymce.map(s.split(d || ','), tinymce.trim) : s;
},
_addVer : function(u) {
var v;
if (!this.query)
return u;
v = (u.indexOf('?') == -1 ? '?' : '&') + this.query;
if (u.indexOf('#') == -1)
return u + v;
return u.replace('#', v + '#');
}
/**#@-*/
};
// Required for GZip AJAX loading
window.tinymce = tinymce;
// Initialize the API
tinymce._init();