X-Git-Url: https://git.toastfreeware.priv.at/philipp/winterrodeln/wradmin.git/blobdiff_plain/c2d2b07d134a64271aede4886b8c1d0f6960cb4d..582150b643140e3e670d66f244812e314c7aa0c1:/wradmin/static/yui/get/get.js

diff --git a/wradmin/static/yui/get/get.js b/wradmin/static/yui/get/get.js
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+++ b/wradmin/static/yui/get/get.js
@@ -0,0 +1,724 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 2.7.0
+*/
+/**
+ * Provides a mechanism to fetch remote resources and
+ * insert them into a document
+ * @module get
+ * @requires yahoo
+ */
+
+/**
+ * Fetches and inserts one or more script or link nodes into the document 
+ * @namespace YAHOO.util
+ * @class YAHOO.util.Get
+ */
+YAHOO.util.Get = function() {
+
+    /**
+     * hash of queues to manage multiple requests
+     * @property queues
+     * @private
+     */
+    var queues={}, 
+        
+    /**
+     * queue index used to generate transaction ids
+     * @property qidx
+     * @type int
+     * @private
+     */
+        qidx=0, 
+        
+    /**
+     * node index used to generate unique node ids
+     * @property nidx
+     * @type int
+     * @private
+     */
+        nidx=0, 
+
+        // ridx=0,
+
+        // sandboxFrame=null,
+
+    /**
+     * interal property used to prevent multiple simultaneous purge 
+     * processes
+     * @property purging
+     * @type boolean
+     * @private
+     */
+        purging=false,
+
+        ua=YAHOO.env.ua, 
+        
+        lang=YAHOO.lang;
+    
+    /** 
+     * Generates an HTML element, this is not appended to a document
+     * @method _node
+     * @param type {string} the type of element
+     * @param attr {string} the attributes
+     * @param win {Window} optional window to create the element in
+     * @return {HTMLElement} the generated node
+     * @private
+     */
+    var _node = function(type, attr, win) {
+        var w = win || window, d=w.document, n=d.createElement(type);
+
+        for (var i in attr) {
+            if (attr[i] && YAHOO.lang.hasOwnProperty(attr, i)) {
+                n.setAttribute(i, attr[i]);
+            }
+        }
+
+        return n;
+    };
+
+    /**
+     * Generates a link node
+     * @method _linkNode
+     * @param url {string} the url for the css file
+     * @param win {Window} optional window to create the node in
+     * @return {HTMLElement} the generated node
+     * @private
+     */
+    var _linkNode = function(url, win, charset) {
+        var c = charset || "utf-8";
+        return _node("link", {
+                "id":      "yui__dyn_" + (nidx++),
+                "type":    "text/css",
+                "charset": c,
+                "rel":     "stylesheet",
+                "href":    url
+            }, win);
+    };
+
+    /**
+     * Generates a script node
+     * @method _scriptNode
+     * @param url {string} the url for the script file
+     * @param win {Window} optional window to create the node in
+     * @return {HTMLElement} the generated node
+     * @private
+     */
+    var _scriptNode = function(url, win, charset) {
+        var c = charset || "utf-8";
+        return _node("script", {
+                "id":      "yui__dyn_" + (nidx++),
+                "type":    "text/javascript",
+                "charset": c,
+                "src":     url
+            }, win);
+    };
+
+    /**
+     * Returns the data payload for callback functions
+     * @method _returnData
+     * @private
+     */
+    var _returnData = function(q, msg) {
+        return {
+                tId: q.tId,
+                win: q.win,
+                data: q.data,
+                nodes: q.nodes,
+                msg: msg,
+                purge: function() {
+                    _purge(this.tId);
+                }
+            };
+    };
+
+    var _get = function(nId, tId) {
+        var q = queues[tId],
+            n = (lang.isString(nId)) ? q.win.document.getElementById(nId) : nId;
+        if (!n) {
+            _fail(tId, "target node not found: " + nId);
+        }
+
+        return n;
+    };
+
+    /*
+     * The request failed, execute fail handler with whatever
+     * was accomplished.  There isn't a failure case at the
+     * moment unless you count aborted transactions
+     * @method _fail
+     * @param id {string} the id of the request
+     * @private
+     */
+    var _fail = function(id, msg) {
+        var q = queues[id];
+        // execute failure callback
+        if (q.onFailure) {
+            var sc=q.scope || q.win;
+            q.onFailure.call(sc, _returnData(q, msg));
+        }
+    };
+
+    /**
+     * The request is complete, so executing the requester's callback
+     * @method _finish
+     * @param id {string} the id of the request
+     * @private
+     */
+    var _finish = function(id) {
+        var q = queues[id];
+        q.finished = true;
+
+        if (q.aborted) {
+            var msg = "transaction " + id + " was aborted";
+            _fail(id, msg);
+            return;
+        }
+
+        // execute success callback
+        if (q.onSuccess) {
+            var sc=q.scope || q.win;
+            q.onSuccess.call(sc, _returnData(q));
+        }
+    };
+
+    /**
+     * Timeout detected
+     * @method _timeout
+     * @param id {string} the id of the request
+     * @private
+     */
+    var _timeout = function(id) {
+        var q = queues[id];
+        if (q.onTimeout) {
+            var sc=q.scope || q;
+            q.onTimeout.call(sc, _returnData(q));
+        }
+    };
+
+    /**
+     * Loads the next item for a given request
+     * @method _next
+     * @param id {string} the id of the request
+     * @param loaded {string} the url that was just loaded, if any
+     * @private
+     */
+    var _next = function(id, loaded) {
+        var q = queues[id];
+
+        if (q.timer) {
+            // Y.log('cancel timer');
+            q.timer.cancel();
+        }
+
+        if (q.aborted) {
+            var msg = "transaction " + id + " was aborted";
+            _fail(id, msg);
+            return;
+        }
+
+        if (loaded) {
+            q.url.shift(); 
+            if (q.varName) {
+                q.varName.shift(); 
+            }
+        } else {
+            // This is the first pass: make sure the url is an array
+            q.url = (lang.isString(q.url)) ? [q.url] : q.url;
+            if (q.varName) {
+                q.varName = (lang.isString(q.varName)) ? [q.varName] : q.varName;
+            }
+        }
+
+        var w=q.win, d=w.document, h=d.getElementsByTagName("head")[0], n;
+
+        if (q.url.length === 0) {
+            // Safari 2.x workaround - There is no way to know when 
+            // a script is ready in versions of Safari prior to 3.x.
+            // Adding an extra node reduces the problem, but doesn't
+            // eliminate it completely because the browser executes
+            // them asynchronously. 
+            if (q.type === "script" && ua.webkit && ua.webkit < 420 && 
+                    !q.finalpass && !q.varName) {
+                // Add another script node.  This does not guarantee that the
+                // scripts will execute in order, but it does appear to fix the
+                // problem on fast connections more effectively than using an
+                // arbitrary timeout.  It is possible that the browser does
+                // block subsequent script execution in this case for a limited
+                // time.
+                var extra = _scriptNode(null, q.win, q.charset);
+                extra.innerHTML='YAHOO.util.Get._finalize("' + id + '");';
+                q.nodes.push(extra); h.appendChild(extra);
+
+            } else {
+                _finish(id);
+            }
+
+            return;
+        } 
+
+
+        var url = q.url[0];
+
+        // if the url is undefined, this is probably a trailing comma problem in IE
+        if (!url) {
+            q.url.shift(); 
+            return _next(id);
+        }
+
+
+        if (q.timeout) {
+            // Y.log('create timer');
+            q.timer = lang.later(q.timeout, q, _timeout, id);
+        }
+
+        if (q.type === "script") {
+            n = _scriptNode(url, w, q.charset);
+        } else {
+            n = _linkNode(url, w, q.charset);
+        }
+
+        // track this node's load progress
+        _track(q.type, n, id, url, w, q.url.length);
+
+        // add the node to the queue so we can return it to the user supplied callback
+        q.nodes.push(n);
+
+        // add it to the head or insert it before 'insertBefore'
+        if (q.insertBefore) {
+            var s = _get(q.insertBefore, id);
+            if (s) {
+                s.parentNode.insertBefore(n, s);
+            }
+        } else {
+            h.appendChild(n);
+        }
+        
+
+        // FireFox does not support the onload event for link nodes, so there is
+        // no way to make the css requests synchronous. This means that the css 
+        // rules in multiple files could be applied out of order in this browser
+        // if a later request returns before an earlier one.  Safari too.
+        if ((ua.webkit || ua.gecko) && q.type === "css") {
+            _next(id, url);
+        }
+    };
+
+    /**
+     * Removes processed queues and corresponding nodes
+     * @method _autoPurge
+     * @private
+     */
+    var _autoPurge = function() {
+
+        if (purging) {
+            return;
+        }
+
+        purging = true;
+        for (var i in queues) {
+            var q = queues[i];
+            if (q.autopurge && q.finished) {
+                _purge(q.tId);
+                delete queues[i];
+            }
+        }
+
+        purging = false;
+    };
+
+    /**
+     * Removes the nodes for the specified queue
+     * @method _purge
+     * @private
+     */
+    var _purge = function(tId) {
+        var q=queues[tId];
+        if (q) {
+            var n=q.nodes, l=n.length, d=q.win.document, 
+                h=d.getElementsByTagName("head")[0];
+
+            if (q.insertBefore) {
+                var s = _get(q.insertBefore, tId);
+                if (s) {
+                    h = s.parentNode;
+                }
+            }
+
+            for (var i=0; i<l; i=i+1) {
+                h.removeChild(n[i]);
+            }
+
+            q.nodes = [];
+        }
+    };
+
+    /**
+     * Saves the state for the request and begins loading
+     * the requested urls
+     * @method queue
+     * @param type {string} the type of node to insert
+     * @param url {string} the url to load
+     * @param opts the hash of options for this request
+     * @private
+     */
+    var _queue = function(type, url, opts) {
+
+        var id = "q" + (qidx++);
+        opts = opts || {};
+
+        if (qidx % YAHOO.util.Get.PURGE_THRESH === 0) {
+            _autoPurge();
+        }
+
+        queues[id] = lang.merge(opts, {
+            tId: id,
+            type: type,
+            url: url,
+            finished: false,
+            aborted: false,
+            nodes: []
+        });
+
+        var q = queues[id];
+        q.win = q.win || window;
+        q.scope = q.scope || q.win;
+        q.autopurge = ("autopurge" in q) ? q.autopurge : 
+                      (type === "script") ? true : false;
+
+        lang.later(0, q, _next, id);
+
+        return {
+            tId: id
+        };
+    };
+
+    /**
+     * Detects when a node has been loaded.  In the case of
+     * script nodes, this does not guarantee that contained
+     * script is ready to use.
+     * @method _track
+     * @param type {string} the type of node to track
+     * @param n {HTMLElement} the node to track
+     * @param id {string} the id of the request
+     * @param url {string} the url that is being loaded
+     * @param win {Window} the targeted window
+     * @param qlength the number of remaining items in the queue,
+     * including this one
+     * @param trackfn {Function} function to execute when finished
+     * the default is _next
+     * @private
+     */
+    var _track = function(type, n, id, url, win, qlength, trackfn) {
+        var f = trackfn || _next;
+
+        // IE supports the readystatechange event for script and css nodes
+        if (ua.ie) {
+            n.onreadystatechange = function() {
+                var rs = this.readyState;
+                if ("loaded" === rs || "complete" === rs) {
+                    n.onreadystatechange = null;
+                    f(id, url);
+                }
+            };
+
+        // webkit prior to 3.x is problemmatic
+        } else if (ua.webkit) {
+
+            if (type === "script") {
+
+                // Safari 3.x supports the load event for script nodes (DOM2)
+                if (ua.webkit >= 420) {
+
+                    n.addEventListener("load", function() {
+                        f(id, url);
+                    });
+
+                // Nothing can be done with Safari < 3.x except to pause and hope
+                // for the best, particularly after last script is inserted. The
+                // scripts will always execute in the order they arrive, not
+                // necessarily the order in which they were inserted.  To support
+                // script nodes with complete reliability in these browsers, script
+                // nodes either need to invoke a function in the window once they
+                // are loaded or the implementer needs to provide a well-known
+                // property that the utility can poll for.
+                } else {
+                    // Poll for the existence of the named variable, if it
+                    // was supplied.
+                    var q = queues[id];
+                    if (q.varName) {
+                        var freq=YAHOO.util.Get.POLL_FREQ;
+                        q.maxattempts = YAHOO.util.Get.TIMEOUT/freq;
+                        q.attempts = 0;
+                        q._cache = q.varName[0].split(".");
+                        q.timer = lang.later(freq, q, function(o) {
+                            var a=this._cache, l=a.length, w=this.win, i;
+                            for (i=0; i<l; i=i+1) {
+                                w = w[a[i]];
+                                if (!w) {
+                                    // if we have exausted our attempts, give up
+                                    this.attempts++;
+                                    if (this.attempts++ > this.maxattempts) {
+                                        var msg = "Over retry limit, giving up";
+                                        q.timer.cancel();
+                                        _fail(id, msg);
+                                    } else {
+                                    }
+                                    return;
+                                }
+                            }
+                            
+
+                            q.timer.cancel();
+                            f(id, url);
+
+                        }, null, true);
+                    } else {
+                        lang.later(YAHOO.util.Get.POLL_FREQ, null, f, [id, url]);
+                    }
+                }
+            } 
+
+        // FireFox and Opera support onload (but not DOM2 in FF) handlers for
+        // script nodes.  Opera, but not FF, supports the onload event for link
+        // nodes.
+        } else { 
+            n.onload = function() {
+                f(id, url);
+            };
+        }
+    };
+
+    return {
+
+        /**
+         * The default poll freqency in ms, when needed
+         * @property POLL_FREQ
+         * @static
+         * @type int
+         * @default 10
+         */
+        POLL_FREQ: 10,
+
+        /**
+         * The number of request required before an automatic purge.
+         * property PURGE_THRESH
+         * @static
+         * @type int
+         * @default 20
+         */
+        PURGE_THRESH: 20,
+
+        /**
+         * The length time to poll for varName when loading a script in
+         * Safari 2.x before the transaction fails.
+         * property TIMEOUT
+         * @static
+         * @type int
+         * @default 2000
+         */
+        TIMEOUT: 2000,
+        
+        /**
+         * Called by the the helper for detecting script load in Safari
+         * @method _finalize
+         * @param id {string} the transaction id
+         * @private
+         */
+        _finalize: function(id) {
+            lang.later(0, null, _finish, id);
+        },
+
+        /**
+         * Abort a transaction
+         * @method abort
+         * @param {string|object} either the tId or the object returned from
+         * script() or css()
+         */
+        abort: function(o) {
+            var id = (lang.isString(o)) ? o : o.tId;
+            var q = queues[id];
+            if (q) {
+                q.aborted = true;
+            }
+        }, 
+
+        /**
+         * Fetches and inserts one or more script nodes into the head
+         * of the current document or the document in a specified window.
+         *
+         * @method script
+         * @static
+         * @param url {string|string[]} the url or urls to the script(s)
+         * @param opts {object} Options: 
+         * <dl>
+         * <dt>onSuccess</dt>
+         * <dd>
+         * callback to execute when the script(s) are finished loading
+         * The callback receives an object back with the following
+         * data:
+         * <dl>
+         * <dt>win</dt>
+         * <dd>the window the script(s) were inserted into</dd>
+         * <dt>data</dt>
+         * <dd>the data object passed in when the request was made</dd>
+         * <dt>nodes</dt>
+         * <dd>An array containing references to the nodes that were
+         * inserted</dd>
+         * <dt>purge</dt>
+         * <dd>A function that, when executed, will remove the nodes
+         * that were inserted</dd>
+         * <dt>
+         * </dl>
+         * </dd>
+         * <dt>onFailure</dt>
+         * <dd>
+         * callback to execute when the script load operation fails
+         * The callback receives an object back with the following
+         * data:
+         * <dl>
+         * <dt>win</dt>
+         * <dd>the window the script(s) were inserted into</dd>
+         * <dt>data</dt>
+         * <dd>the data object passed in when the request was made</dd>
+         * <dt>nodes</dt>
+         * <dd>An array containing references to the nodes that were
+         * inserted successfully</dd>
+         * <dt>purge</dt>
+         * <dd>A function that, when executed, will remove any nodes
+         * that were inserted</dd>
+         * <dt>
+         * </dl>
+         * </dd>
+         * <dt>onTimeout</dt>
+         * <dd>
+         * callback to execute when a timeout occurs.
+         * The callback receives an object back with the following
+         * data:
+         * <dl>
+         * <dt>win</dt>
+         * <dd>the window the script(s) were inserted into</dd>
+         * <dt>data</dt>
+         * <dd>the data object passed in when the request was made</dd>
+         * <dt>nodes</dt>
+         * <dd>An array containing references to the nodes that were
+         * inserted</dd>
+         * <dt>purge</dt>
+         * <dd>A function that, when executed, will remove the nodes
+         * that were inserted</dd>
+         * <dt>
+         * </dl>
+         * </dd>
+         * <dt>scope</dt>
+         * <dd>the execution context for the callbacks</dd>
+         * <dt>win</dt>
+         * <dd>a window other than the one the utility occupies</dd>
+         * <dt>autopurge</dt>
+         * <dd>
+         * setting to true will let the utilities cleanup routine purge 
+         * the script once loaded
+         * </dd>
+         * <dt>data</dt>
+         * <dd>
+         * data that is supplied to the callback when the script(s) are
+         * loaded.
+         * </dd>
+         * <dt>varName</dt>
+         * <dd>
+         * variable that should be available when a script is finished
+         * loading.  Used to help Safari 2.x and below with script load 
+         * detection.  The type of this property should match what was
+         * passed into the url parameter: if loading a single url, a
+         * string can be supplied.  If loading multiple scripts, you
+         * must supply an array that contains the variable name for
+         * each script.
+         * </dd>
+         * <dt>insertBefore</dt>
+         * <dd>node or node id that will become the new node's nextSibling</dd>
+         * </dl>
+         * <dt>charset</dt>
+         * <dd>Node charset, default utf-8</dd>
+         * <dt>timeout</dt>
+         * <dd>Number of milliseconds to wait before aborting and firing the timeout event</dd>
+         * <pre>
+         * // assumes yahoo, dom, and event are already on the page
+         * &nbsp;&nbsp;YAHOO.util.Get.script(
+         * &nbsp;&nbsp;["http://yui.yahooapis.com/2.3.1/build/dragdrop/dragdrop-min.js",
+         * &nbsp;&nbsp;&nbsp;"http://yui.yahooapis.com/2.3.1/build/animation/animation-min.js"], &#123;
+         * &nbsp;&nbsp;&nbsp;&nbsp;onSuccess: function(o) &#123;
+         * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new YAHOO.util.DDProxy("dd1"); // also new o.reference("dd1"); would work
+         * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.log("won't cause error because YAHOO is the scope");
+         * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.log(o.nodes.length === 2) // true
+         * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// o.purge(); // optionally remove the script nodes immediately
+         * &nbsp;&nbsp;&nbsp;&nbsp;&#125;,
+         * &nbsp;&nbsp;&nbsp;&nbsp;onFailure: function(o) &#123;
+         * &nbsp;&nbsp;&nbsp;&nbsp;&#125;,
+         * &nbsp;&nbsp;&nbsp;&nbsp;data: "foo",
+         * &nbsp;&nbsp;&nbsp;&nbsp;timeout: 10000, // 10 second timeout
+         * &nbsp;&nbsp;&nbsp;&nbsp;scope: YAHOO,
+         * &nbsp;&nbsp;&nbsp;&nbsp;// win: otherframe // target another window/frame
+         * &nbsp;&nbsp;&nbsp;&nbsp;autopurge: true // allow the utility to choose when to remove the nodes
+         * &nbsp;&nbsp;&#125;);
+         * </pre>
+         * @return {tId: string} an object containing info about the transaction
+         */
+        script: function(url, opts) { return _queue("script", url, opts); },
+
+        /**
+         * Fetches and inserts one or more css link nodes into the 
+         * head of the current document or the document in a specified
+         * window.
+         * @method css
+         * @static
+         * @param url {string} the url or urls to the css file(s)
+         * @param opts Options: 
+         * <dl>
+         * <dt>onSuccess</dt>
+         * <dd>
+         * callback to execute when the css file(s) are finished loading
+         * The callback receives an object back with the following
+         * data:
+         * <dl>win</dl>
+         * <dd>the window the link nodes(s) were inserted into</dd>
+         * <dt>data</dt>
+         * <dd>the data object passed in when the request was made</dd>
+         * <dt>nodes</dt>
+         * <dd>An array containing references to the nodes that were
+         * inserted</dd>
+         * <dt>purge</dt>
+         * <dd>A function that, when executed, will remove the nodes
+         * that were inserted</dd>
+         * <dt>
+         * </dl>
+         * </dd>
+         * <dt>scope</dt>
+         * <dd>the execution context for the callbacks</dd>
+         * <dt>win</dt>
+         * <dd>a window other than the one the utility occupies</dd>
+         * <dt>data</dt>
+         * <dd>
+         * data that is supplied to the callbacks when the nodes(s) are
+         * loaded.
+         * </dd>
+         * <dt>insertBefore</dt>
+         * <dd>node or node id that will become the new node's nextSibling</dd>
+         * <dt>charset</dt>
+         * <dd>Node charset, default utf-8</dd>
+         * </dl>
+         * <pre>
+         *      YAHOO.util.Get.css("http://yui.yahooapis.com/2.3.1/build/menu/assets/skins/sam/menu.css");
+         * </pre>
+         * <pre>
+         *      YAHOO.util.Get.css(["http://yui.yahooapis.com/2.3.1/build/menu/assets/skins/sam/menu.css",
+         * </pre>
+         * @return {tId: string} an object containing info about the transaction
+         */
+        css: function(url, opts) {
+            return _queue("css", url, opts); 
+        }
+    };
+}();
+
+YAHOO.register("get", YAHOO.util.Get, {version: "2.7.0", build: "1799"});