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Posted to commits@myfaces.apache.org by lu...@apache.org on 2010/03/29 03:14:49 UTC

svn commit: r928555 [7/16] - in /myfaces/tomahawk/trunk/core20/src/main/resources/META-INF/resources: oam.custom.calendar.DB/ oam.custom.calendar.WH/ oam.custom.calendar.images/ oam.custom.inputHtml.kupudrawers/ oam.custom.inputHtml.kupuimages/ oam.cus...

Added: myfaces/tomahawk/trunk/core20/src/main/resources/META-INF/resources/oam.custom.inputHtml/kupueditor.js
URL: http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/core20/src/main/resources/META-INF/resources/oam.custom.inputHtml/kupueditor.js?rev=928555&view=auto
==============================================================================
--- myfaces/tomahawk/trunk/core20/src/main/resources/META-INF/resources/oam.custom.inputHtml/kupueditor.js (added)
+++ myfaces/tomahawk/trunk/core20/src/main/resources/META-INF/resources/oam.custom.inputHtml/kupueditor.js Mon Mar 29 01:14:43 2010
@@ -0,0 +1,963 @@
+/*****************************************************************************
+ *
+ * Copyright (c) 2003-2005 Kupu Contributors. All rights reserved.
+ *
+ * This software is distributed under the terms of the Kupu
+ * License. See LICENSE.txt for license text. For a list of Kupu
+ * Contributors see CREDITS.txt.
+ *
+ *****************************************************************************/
+// $Id: kupueditor.js 928511 2010-03-28 22:53:14Z lu4242 $
+
+//----------------------------------------------------------------------------
+// Main classes
+//----------------------------------------------------------------------------
+
+/* KupuDocument
+    
+    This essentially wraps the iframe.
+    XXX Is this overkill?
+    
+*/
+
+function KupuDocument(iframe) {
+    /* Model */
+    
+    // attrs
+    this.editable = iframe; // the iframe
+    this.window = this.editable.contentWindow;
+    this.document = this.window.document;
+
+    this._browser = _SARISSA_IS_IE ? 'IE' : 'Mozilla';
+    var DEPRECATED = { 'contentReadOnly': 'readonly', 'styleWithCSS': 'useCSS' };
+    // methods
+    this.execCommand = function(command, arg) {
+        /* delegate execCommand */
+        if (arg === undefined) arg = null;
+        try {
+            this.document.execCommand(command, false, arg);
+        } catch(e) {
+            command = DEPRECATED[command];
+            if (command) {
+                this.document.execCommand(command, false, !arg);
+            };
+        };
+    };
+    
+    this.reloadSource = function() {
+        /* reload the source */
+        
+        // XXX To temporarily work around problems with resetting the
+        // state after a reload, currently the whole page is reloaded.
+        // XXX Nasty workaround!! to solve refresh problems...
+        document.location = document.location;
+    };
+
+    this.getDocument = function() {
+        /* returns a reference to the window.document object of the iframe */
+        return this.document;
+    };
+
+    this.getWindow = function() {
+        /* returns a reference to the window object of the iframe */
+        return this.window;
+    };
+
+    this.getSelection = function() {
+        if (this._browser == 'Mozilla') {
+            return new MozillaSelection(this);
+        } else {
+            return new IESelection(this);
+        };
+    };
+
+    this.getEditable = function() {
+        return this.editable;
+    };
+};
+
+/* KupuEditor
+
+    This controls the document, should be used from the UI.
+    
+*/
+
+function KupuEditor(document, config, logger) {
+    /* Controller */
+    
+    // attrs
+    this.document = document; // the model
+    this.config = config; // an object that holds the config values
+    this.log = logger; // simple logger object
+    this.tools = {}; // mapping id->tool
+    this.filters = []; // contentfilters
+    this.serializer = new XMLSerializer();
+    
+    this._designModeSetAttempts = 0;
+    this._initialized = false;
+    this._wantDesignMode = false;
+
+    // some properties to save the selection, required for IE to remember 
+    // where in the iframe the selection was
+    this._previous_range = null;
+
+    // this property is true if the content is changed, false if no changes 
+    // are made yet
+    this.content_changed = false;
+
+    // methods
+    this.initialize = function() {
+        /* Should be called on iframe.onload, will initialize the editor */
+        //DOM2Event.initRegistration();
+        this._initializeEventHandlers();
+        if (this.getBrowserName() == "IE") {
+            var body = this.getInnerDocument().getElementsByTagName('body')[0];
+            body.setAttribute('contentEditable', 'true');
+            // provide an 'afterInit' method on KupuEditor.prototype
+            // for additional bootstrapping (after editor init)
+            this._initialized = true;
+            if (this.afterInit) {
+                this.afterInit();
+            };
+            this._saveSelection();
+        } else {
+            this._setDesignModeWhenReady();
+        };
+    };
+
+    this.setContextMenu = function(menu) {
+        /* initialize the contextmenu */
+        menu.initialize(this);
+    };
+
+    this.registerTool = function(id, tool) {
+        /* register a tool */
+        this.tools[id] = tool;
+        tool.initialize(this);
+    };
+
+    this.getTool = function(id) {
+        /* get a tool by id */
+        return this.tools[id];
+    };
+
+    this.registerFilter = function(filter) {
+        /* register a content filter method
+
+            the method will be called together with any other registered
+            filters before the content is saved to the server, the methods
+            can be used to filter any trash out of the content. they are
+            called with 1 argument, which is a reference to the rootnode
+            of the content tree (the html node)
+        */
+        this.filters.push(filter);
+        filter.initialize(this);
+    };
+
+    this.updateStateHandler = function(event) {
+        /* check whether the event is interesting enough to trigger the 
+        updateState machinery and act accordingly */
+        var interesting_codes = [8, 13, 37, 38, 39, 40, 46];
+        // unfortunately it's not possible to do this on blur, since that's
+        // too late. also (some versions of?) IE 5.5 doesn't support the
+        // onbeforedeactivate event, which would be ideal here...
+        this._saveSelection();
+
+        if (event.type == 'click' ||
+                (event.type == 'keyup' && 
+                    interesting_codes.contains(event.keyCode))) {
+            // Filthy trick to make the updateState method get called *after*
+            // the event has been resolved. This way the updateState methods can
+            // react to the situation *after* any actions have been performed (so
+            // can actually stay up to date).
+            this.updateState(event);
+        }
+    };
+    
+    this.updateState = function(event) {
+        /* let each tool change state if required */
+        // first see if the event is interesting enough to trigger
+        // the whole updateState machinery
+        var selNode = this.getSelectedNode();
+        for (var id in this.tools) {
+            try {
+                this.tools[id].updateState(selNode, event);
+            } catch (e) {
+                if (e == UpdateStateCancelBubble) {
+                    this.updateState(event);
+                    break;
+                } else {
+                    this.logMessage(
+                        'Exception while processing updateState on ' +
+                            '${id}: ${msg}', {'id': id, 'msg': e}, 2);
+                };
+            };
+        };
+    };
+    
+    this.saveDocument = function(redirect, synchronous) {
+        /* save the document
+
+            the (optional) redirect argument can be used to make the client 
+            jump to another URL when the save action was successful.
+
+            synchronous is a boolean to allow sync saving (usually better to
+            not save synchronous, since it may make browsers freeze on errors,
+            this is used for saveOnPart, though)
+        */
+        
+        // if no dst is available, bail out
+        if (!this.config.dst) {
+            this.logMessage(_('No destination URL available!'), 2);
+            return;
+        }
+        var sourcetool = this.getTool('sourceedittool');
+        if (sourcetool) {sourcetool.cancelSourceMode();};
+
+        // make sure people can't edit or save during saving
+        if (!this._initialized) {
+            return;
+        }
+        this._initialized = false;
+        
+        // set the window status so people can see we're actually saving
+        window.status= _("Please wait while saving document...");
+
+        // call (optional) beforeSave() method on all tools
+        for (var id in this.tools) {
+            var tool = this.tools[id];
+            if (tool.beforeSave) {
+                try {
+                    tool.beforeSave();
+                } catch(e) {
+                    alert(e);
+                    this._initialized = true;
+                    return;
+                };
+            };
+        };
+        
+        // pass the content through the filters
+        this.logMessage(_("Starting HTML cleanup"));
+        var transform = this._filterContent(this.getInnerDocument().documentElement);
+
+        // serialize to a string
+        var contents = this._serializeOutputToString(transform);
+        
+        this.logMessage(_("Cleanup done, sending document to server"));
+        var request = new XMLHttpRequest();
+    
+        if (!synchronous) {
+            request.onreadystatechange = (new ContextFixer(this._saveCallback, 
+                                               this, request, redirect)).execute;
+            request.open("PUT", this.config.dst, true);
+            request.setRequestHeader("Content-type", this.config.content_type);
+            request.send(contents);
+            this.logMessage(_("Request sent to server"));
+        } else {
+            this.logMessage(_('Sending request to server'));
+            request.open("PUT", this.config.dst, false);
+            request.setRequestHeader("Content-type", this.config.content_type);
+            request.send(contents);
+            this.handleSaveResponse(request,redirect);
+        };
+    };
+    
+    this.prepareForm = function(form, id) {
+        /* add a field to the form and place the contents in it
+
+            can be used for simple POST support where Kupu is part of a
+            form
+        */
+        var sourcetool = this.getTool('sourceedittool');
+        if (sourcetool) {sourcetool.cancelSourceMode();};
+
+        // make sure people can't edit or save during saving
+        if (!this._initialized) {
+            return;
+        }
+        this._initialized = false;
+        
+        // set the window status so people can see we're actually saving
+        window.status= _("Please wait while saving document...");
+
+        // call (optional) beforeSave() method on all tools
+        for (var tid in this.tools) {
+            var tool = this.tools[tid];
+            if (tool.beforeSave) {
+                try {
+                    tool.beforeSave();
+                } catch(e) {
+                    alert(e);
+                    this._initialized = true;
+                    return;
+                };
+            };
+        };
+        
+        // set a default id
+        if (!id) {
+            id = 'kupu';
+        };
+        
+        // pass the content through the filters
+        this.logMessage(_("Starting HTML cleanup"));
+        var transform = this._filterContent(this.getInnerDocument().documentElement);
+        
+        // XXX need to fix this.  Sometimes a spurious "\n\n" text 
+        // node appears in the transform, which breaks the Moz 
+        // serializer on .xml
+        var contents =  this._serializeOutputToString(transform);
+        
+        this.logMessage(_("Cleanup done, sending document to server"));
+        
+        // now create the form input, since IE 5.5 doesn't support the 
+        // ownerDocument property we use window.document as a fallback (which
+        // will almost by definition be correct).
+        var document = form.ownerDocument ? form.ownerDocument : window.document;
+        var ta = document.createElement('textarea');
+        ta.style.visibility = 'hidden';
+        var text = document.createTextNode(contents);
+        ta.appendChild(text);
+        ta.setAttribute('name', id);
+        
+        // and add it to the form
+        form.appendChild(ta);
+
+        // let the calling code know we have added the textarea
+        return true;
+    };
+
+    this.execCommand = function(command, param) {
+        /* general stuff like making current selection bold, italics etc. 
+            and adding basic elements such as lists
+            */
+        if (!this._initialized) {
+            this.logMessage(_('Editor not initialized yet!'));
+            return;
+        };
+        if (this.getBrowserName() == "IE") {
+            this._restoreSelection();
+        } else {
+            this.focusDocument();
+            if (command != 'styleWithCSS') {
+                this.content_changed = true;
+                // Done here otherwise it doesn't always work or gets lost
+                // after some commands
+                this.getDocument().execCommand('styleWithCSS', false);
+            };
+        };
+        this.getDocument().execCommand(command, param);
+        this.updateState();
+    };
+
+    this.getSelection = function() {
+        /* returns a Selection object wrapping the current selection */
+        this._restoreSelection();
+        return this.getDocument().getSelection();
+    };
+
+    this.getSelectedNode = function(allowmulti) {
+        /* returns the selected node (read: parent) or none */
+        /* if allowmulti is true, returns the parent of all ranges in the
+           selection (in the rare case that selection has more than one
+           range) */
+        return this.getSelection().parentElement(allowmulti);
+    };
+
+    this.getNearestParentOfType = function(node, type) {
+        /* well the title says it all ;) */
+        var type = type.toLowerCase();
+        while (node) {
+            if (node.nodeName.toLowerCase() == type) {
+                return node;
+            }   
+            var node = node.parentNode;
+        }
+        return false;
+    };
+
+    this.removeNearestParentOfType = function(node, type) {
+        var nearest = this.getNearestParentOfType(node, type);
+        if (!nearest) {
+            return false;
+        };
+        var parent = nearest.parentNode;
+        while (nearest.childNodes.length) {
+            var child = nearest.firstChild;
+            child = nearest.removeChild(child);
+            parent.insertBefore(child, nearest);
+        };
+        parent.removeChild(nearest);
+    };
+
+    this.getDocument = function() {
+        /* returns a reference to the document object that wraps the iframe */
+        return this.document;
+    };
+
+    this.getInnerDocument = function() {
+        /* returns a reference to the window.document object of the iframe */
+        return this.getDocument().getDocument();
+    };
+
+    this.insertNodeAtSelection = function(insertNode, selectNode) {
+        /* insert a newly created node into the document */
+        if (!this._initialized) {
+            this.logMessage(_('Editor not initialized yet!'));
+            return;
+        };
+
+        this.content_changed = true;
+
+        var browser = this.getBrowserName();
+        if (browser != "IE") {
+            this.focusDocument();
+        };
+        
+        var ret = this.getSelection().replaceWithNode(insertNode, selectNode);
+        this._saveSelection();
+
+        return ret;
+    };
+
+    this.focusDocument = function() {
+        this.getDocument().getWindow().focus();
+    };
+
+    this.logMessage = function(message, severity) {
+        /* log a message using the logger, severity can be 0 (message, default), 1 (warning) or 2 (error) */
+        this.log.log(message, severity);
+    };
+
+    this.registerContentChanger = function(element) {
+        /* set this.content_changed to true (marking the content changed) when the 
+            element's onchange is called
+        */
+        addEventHandler(element, 'change', function() {this.content_changed = true;}, this);
+    };
+    
+    // helper methods
+    this.getBrowserName = function() {
+        /* returns either 'Mozilla' (for Mozilla, Firebird, Netscape etc.) or 'IE' */
+        if (_SARISSA_IS_MOZ) {
+            return "Mozilla";
+        } else if (_SARISSA_IS_IE) {
+            return "IE";
+        } else {
+            throw _("Browser not supported!");
+        }
+    };
+    
+    this.handleSaveResponse = function(request, redirect) {
+        // mind the 1223 status, somehow IE gives that sometimes (on 204?)
+        // at first we didn't want to add it here, since it's a specific IE
+        // bug, but too many users had trouble with it...
+        if (request.status != '200' && request.status != '204' &&
+                request.status != '1223') {
+            var msg = _('Error saving your data.\nResponse status: ' + 
+                            '${status}.\nCheck your server log for more ' +
+                            'information.', {'status': request.status});
+            alert(msg);
+            window.status = _("Error saving document");
+        } else if (redirect) { // && (!request.status || request.status == '200' || request.status == '204'))
+            window.document.location = redirect;
+            this.content_changed = false;
+        } else {
+            // clear content_changed before reloadSrc so saveOnPart is not triggered
+            this.content_changed = false;
+            if (this.config.reload_after_save) {
+                this.reloadSrc();
+            };
+            // we're done so we can start editing again
+            window.status= _("Document saved");
+        };
+        this._initialized = true;
+    };
+
+    // private methods
+    this._addEventHandler = addEventHandler;
+
+    this._saveCallback = function(request, redirect) {
+        /* callback for Sarissa */
+        if (request.readyState == 4) {
+            this.handleSaveResponse(request, redirect);
+        };
+    };
+    
+    this.reloadSrc = function() {
+        /* reload the src, called after a save when reload_src is set to true */
+        // XXX Broken!!!
+        /*
+        if (this.getBrowserName() == "Mozilla") {
+            this.getInnerDocument().designMode = "Off";
+        }
+        */
+        // XXX call reloadSrc() which has a workaround, reloads the full page
+        // instead of just the iframe...
+        this.getDocument().reloadSource();
+        if (this.getBrowserName() == "Mozilla") {
+            this.getInnerDocument().designMode = "On";
+        };
+        /*
+        var selNode = this.getSelectedNode();
+        this.updateState(selNode);
+        */
+    };
+
+    // Fixup Mozilla breaking image src url when dragging images
+    this.imageInserted = function(event) {
+        var node = event.target;
+        if (node && node.nodeType==1) {
+            var nodes = (/^img$/i.test(node.nodeName))?[node]:node.getElementsByTagName('img');
+            for (var i = 0; i < nodes.length; i++) {
+                node = nodes[i];
+                var src = node.getAttribute('kupu-src');
+                if (src) { node.src = src; };
+            };
+        };
+    };
+    // Prevent Mozilla resizing of images
+    this.imageModified = function(event) {
+        var node = event.target;
+        if (node && (/^img$/i.test(node.nodeName))) {
+            if (event.attrName=="style" && event.attrChange==1 && (/height|width/.test(event.newValue))) {
+                timer_instance.registerFunction(this, this._clearStyle, 1, node);
+            }
+        };
+    };
+    // Make sure image size is set on width/height attributes not style.
+    this._clearStyle = function(node) {
+        var w = node.width;
+        var h = node.height;
+        node.style.width = "";
+        node.style.height = "";
+        if (this.okresize) {
+            if (w) {node.width = w;};
+            if (h) {node.height = h;};
+        };
+    };
+    this._cancelResize = function(evt) {
+        return false;
+    };
+
+    this._initializeEventHandlers = function() {
+        /* attache the event handlers to the iframe */
+        var win = this.getDocument().getWindow();
+        var idoc = this.getInnerDocument();
+        var e = this._addEventHandler;
+        var validattrs =  this.xhtmlvalid.tagAttributes.img;
+        this.okresize = validattrs.contains('width') && validattrs.contains('height');
+        // Set design mode on resize event:
+        e(win, 'resize', this._resizeHandler, this);
+        // Initialize DOM2Event compatibility
+        // XXX should come back and change to passing in an element
+        e(idoc, "click", this.updateStateHandler, this);
+        e(idoc, "dblclick", this.updateStateHandler, this);
+        e(idoc, "keyup", this.updateStateHandler, this);
+        e(idoc, "keyup", function() {this.content_changed = true;}, this);
+        e(idoc, "mouseup", this.updateStateHandler, this);
+        if (this.getBrowserName() == "IE") {
+            e(idoc, "selectionchange", this.onSelectionChange, this);
+            if (!this.okresize) { e(idoc.documentElement, "resizestart", this._cancelResize, this);};
+        } else {
+            e(idoc, "DOMNodeInserted", this.imageInserted, this);
+            e(idoc, "DOMAttrModified", this.imageModified, this);
+        }
+    };
+
+    this._resizeHandler = function() {
+        // Use the resize event to trigger setting design mode
+        if (this._wantDesignMode) {
+            this._setDesignModeWhenReady();
+        }
+    };
+    
+    this._setDesignModeWhenReady = function() {
+        /* Try to set design mode, but if we fail then just wait for a
+         * resize event.
+         */
+        var success = false;
+        try {
+            this._setDesignMode();
+            success = true;
+        } catch (e) {
+        
+        	// BEGIN myFaces special Code
+        	// Maybe Kupu is in a hidden parent node.
+        	if (this._designModeSetAttempts < 2) {
+        		var hiddingElements = new Array();
+				for(var currentNode = this.getDocument().getEditable().parentNode ;
+					currentNode.getAttribute ;
+					currentNode = currentNode.parentNode){
+
+					if( currentNode.style.display=='none' ){
+						hiddingElements.push( currentNode );
+						currentNode.style.display='block';
+					}
+				}
+				
+	        	try{					
+					this._setDesignMode();
+		            success = true;
+		        } catch (e2) {
+	        		// NoOp
+	        	}
+				
+				while(hiddingElements.length > 0 ){
+					hiddingElements.pop().style.display='none';
+				}
+	        	
+	        }
+	        
+            // register a function to the timer_instance because 
+            // window.setTimeout can't refer to 'this'...
+            if( ! success )
+	            timer_instance.registerFunction(this, this._setDesignModeWhenReady, 100);
+	            
+			// END myFaces special code.
+        };
+        if (success) {
+            this._wantDesignMode = false;
+            // provide an 'afterInit' method on KupuEditor.prototype
+            // for additional bootstrapping (after editor init)
+            if (this.afterInit) {
+                this.afterInit();
+            };
+        } else {
+            this._wantDesignMode = true; // Enable the resize trigger
+        }
+    };
+
+    this._setDesignMode = function() {
+        this.getInnerDocument().designMode = "On";
+        this.execCommand("undo");
+        // note the negation: the argument doesn't work as expected...
+        this._initialized = true;
+    };
+
+    this._saveSelection = function() {
+        /* Save the selection, works around a problem with IE where the 
+         selection in the iframe gets lost. We only save if the current 
+         selection in the document */
+        if (this._isDocumentSelected()) {
+            var cursel = this.getInnerDocument().selection;
+            var currange = cursel.createRange();
+            if (cursel.type=="Control" && currange.item(0).nodeName.toLowerCase()=="body") {
+                /* This happens when you try to active an embedded
+                 * object */
+                this._restoreSelection(true);
+                return;
+            }
+            this._previous_range = currange;
+        };
+    };
+
+    this._restoreSelection = function(force) {
+        /* re-selects the previous selection in IE. We only restore if the
+        current selection is not in the document.*/
+        if (this._previous_range && (force || !this._isDocumentSelected())) {
+            try {
+                this._previous_range.select();
+            } catch (e) { };
+        };
+    };
+    
+    if (this.getBrowserName() != "IE") {
+        this._saveSelection = function() {};
+        this._restoreSelection = function() {};
+    }
+
+    this.onSelectionChange = function(event) {
+        this._saveSelection();
+    };
+
+    this._isDocumentSelected = function() {
+        if (this.suspended) return false;
+
+        var editable_body = this.getInnerDocument().getElementsByTagName('body')[0];
+        try {
+            var selrange = this.getInnerDocument().selection.createRange();
+        } catch(e) {
+            return false;
+        }
+        var someelement = selrange.parentElement ? selrange.parentElement() : selrange.item(0);
+
+        while (someelement.nodeName.toLowerCase() != 'body') {
+            someelement = someelement.parentNode;
+        };
+        
+        return someelement == editable_body;
+    };
+
+    this._clearSelection = function() {
+        /* clear the last stored selection */
+        this._previous_range = null;
+    };
+
+    this._filterContent = function(documentElement) {            
+        /* pass the content through all the filters */
+        // first copy all nodes to a Sarissa document so it's usable
+        var xhtmldoc = Sarissa.getDomDocument();
+        var doc = this._convertToSarissaNode(xhtmldoc, documentElement);
+        // now pass it through all filters
+        for (var i=0; i < this.filters.length; i++) {
+            var doc = this.filters[i].filter(xhtmldoc, doc);
+        };
+        // fix some possible structural problems, such as an empty or missing head, title
+        // or script or textarea tags without closing tag...
+        this._fixXML(doc, xhtmldoc);
+        return doc;
+    };
+
+    this.getXMLBody = function(transform) {
+        var bodies = transform.getElementsByTagName('body');
+        var data = '';
+        for (var i = 0; i < bodies.length; i++) {
+            data += this.serializer.serializeToString(bodies[i]);
+        }
+        return this.layoutsource(this.escapeEntities(data));
+    };
+
+    this.getHTMLBody = function() {
+        var doc = this.getInnerDocument();
+        var docel = doc.documentElement;
+        var bodies = docel.getElementsByTagName('body');
+        var data = '';
+        for (var i = 0; i < bodies.length; i++) {
+            data += bodies[i].innerHTML;
+        }
+        return this.layoutsource(this.escapeEntities(data));
+    };
+
+    // If we have multiple bodies this needs to remove the extras.
+    this.setHTMLBody = function(text) {
+        var doc = this.getInnerDocument().documentElement;
+        var bodies = doc.getElementsByTagName('body');
+        for (var i = 0; i < bodies.length-1; i++) {
+            bodies[i].parentNode.removeChild(bodies[i]);
+        }
+        if (_SARISSA_IS_IE) { /* IE converts certain comments to visible text so strip them */
+            text = text.replace(/<!--\[.*?-->/g, '');
+
+        } else { /* Mozilla doesn't understand strong/em */
+            var fixups = { 'strong':'b', 'em':'i' };
+
+            text = text.replace(/<(\/?)(strong|em)\b([^>]*)>/gi, function(all,close,tag,attrs) {
+                tag = fixups[tag.toLowerCase()];
+                return '<'+close+tag+attrs+'>';
+            });
+        };
+        text = text.replace(/<p>(<hr.*?>)<\/p>/g,'$1');
+        bodies[bodies.length-1].innerHTML = text;
+        /* Mozilla corrupts dragged images, so save the src attribute */
+        var nodes = doc.getElementsByTagName('img');
+        for (var i = 0; i < nodes.length; i++) {
+            var node = nodes[i];
+            node.setAttribute('kupu-src', node.src);
+        };
+    };
+
+    this._fixXML = function(doc, document) {
+        /* fix some structural problems in the XML that make it invalid XTHML */
+        // find if we have a head and title, and if not add them
+        var heads = doc.getElementsByTagName('head');
+        var titles = doc.getElementsByTagName('title');
+        if (!heads.length) {
+            // assume we have a body, guess Kupu won't work without one anyway ;)
+            var body = doc.getElementsByTagName('body')[0];
+            var head = document.createElement('head');
+            body.parentNode.insertBefore(head, body);
+            var title = document.createElement('title');
+            var titletext = document.createTextNode('');
+            head.appendChild(title);
+            title.appendChild(titletext);
+        } else if (!titles.length) {
+            var head = heads[0];
+            var title = document.createElement('title');
+            var titletext = document.createTextNode('');
+            head.appendChild(title);
+            title.appendChild(titletext);
+        };
+        // create a closing element for all elements that require one in XHTML
+        var dualtons = ['a', 'abbr', 'acronym', 'address', 'applet', 
+            'b', 'bdo', 'big', 'blink', 'blockquote', 
+            'button', 'caption', 'center', 'cite', 
+            'comment', 'del', 'dfn', 'dir', 'div',
+            'dl', 'dt', 'em', 'embed', 'fieldset',
+            'font', 'form', 'frameset', 'h1', 'h2',
+            'h3', 'h4', 'h5', 'h6', 'i', 'iframe',
+            'ins', 'kbd', 'label', 'legend', 'li',
+            'listing', 'map', 'marquee', 'menu',
+            'multicol', 'nobr', 'noembed', 'noframes',
+            'noscript', 'object', 'ol', 'optgroup',
+            'option', 'p', 'pre', 'q', 's', 'script',
+            'select', 'small', 'span', 'strike', 
+            'strong', 'style', 'sub', 'sup', 'table',
+            'tbody', 'td', 'textarea', 'tfoot',
+            'th', 'thead', 'title', 'tr', 'tt', 'u',
+            'ul', 'xmp'];
+        // XXX I reckon this is *way* slow, can we use XPath instead or
+        // something to speed this up?
+        for (var i=0; i < dualtons.length; i++) {
+            var elname = dualtons[i];
+            var els = doc.getElementsByTagName(elname);
+            for (var j=0; j < els.length; j++) {
+                var el = els[j];
+                if (!el.hasChildNodes()) {
+                    var child = document.createTextNode('');
+                    el.appendChild(child);
+                };
+            };
+        };
+    };
+
+    this.xhtmlvalid = new XhtmlValidation(this);
+
+    this._convertToSarissaNode = function(ownerdoc, htmlnode) {
+        /* Given a string of non-well-formed HTML, return a string of 
+           well-formed XHTML.
+
+           This function works by leveraging the already-excellent HTML 
+           parser inside the browser, which generally can turn a pile 
+           of crap into a DOM.  We iterate over the HTML DOM, appending 
+           new nodes (elements and attributes) into a node.
+
+           The primary problems this tries to solve for crappy HTML: mixed 
+           element names, elements that open but don't close, 
+           and attributes that aren't in quotes.  This can also be adapted 
+           to filter out tags that you don't want and clean up inline styles.
+
+           Inspired by Guido, adapted by Paul from something in usenet.
+           Tag and attribute tables added by Duncan
+        */
+        return this.xhtmlvalid._convertToSarissaNode(ownerdoc, htmlnode);
+    };
+
+    this._fixupSingletons = function(xml) {
+        return xml.replace(/<([^>]+)\/>/g, "<$1 />");
+    };
+    this._serializeOutputToString = function(transform) {
+        // XXX need to fix this.  Sometimes a spurious "\n\n" text 
+        // node appears in the transform, which breaks the Moz 
+        // serializer on .xml
+            
+        if (this.config.strict_output) {
+            var contents =  '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ' + 
+                            '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n' + 
+                            '<html xmlns="http://www.w3.org/1999/xhtml">' +
+                            this.serializer.serializeToString(transform.getElementsByTagName("head")[0]) +
+                            this.serializer.serializeToString(transform.getElementsByTagName("body")[0]) +
+                            '</html>';
+        } else {
+            var contents = '<html>' + 
+                            this.serializer.serializeToString(transform.getElementsByTagName("head")[0]) +
+                            this.serializer.serializeToString(transform.getElementsByTagName("body")[0]) +
+                            '</html>';
+        };
+
+        contents = this.escapeEntities(contents);
+
+        if (this.config.compatible_singletons) {
+            contents = this._fixupSingletons(contents);
+        };
+        
+        return contents;
+    };
+    this.layoutsource = function(data) {
+        data = data.replace(
+            /\s*(<(p|div|h.|ul|ol|dl|menu|dir|pre|blockquote|address|center|table|thead|tbody|tfoot|tr|th|td))\b/ig, '\n$1');
+        data = data.replace(
+            /\s*(<\/(p|div|h.|ul|ol|dl|menu|dir|pre|blockquote|address|center|table|thead|tbody|tfoot|tr|th|td)>)\s*/ig, '$1\n');
+        data = data.replace(/\<pre\>((?:.|\n)*?)\<\/pre\>/gm, function(s) {
+            return s.replace(/<br\b[^>]*>/gi,'\n');
+            });
+        return data.strip();
+    };
+    this.escapeEntities = function(xml) {
+        // XXX: temporarily disabled
+        xml = xml.replace(/\xa0/g, '&nbsp;');
+        return xml;
+        // Escape non-ascii characters as entities.
+//         return xml.replace(/[^\r\n -\177]/g,
+//             function(c) {
+//             return '&#'+c.charCodeAt(0)+';';
+//         });
+    };
+
+    this.getFullEditor = function() {
+        var fulleditor = this.getDocument().getEditable();
+        while (!(/kupu-fulleditor/.test(fulleditor.className))) {
+            fulleditor = fulleditor.parentNode;
+        }
+        return fulleditor;
+    };
+    // Control the className and hence the style for the whole editor.
+    this.setClass = function(name) {
+        this.getFullEditor().className += ' '+name;
+    };
+    
+    this.clearClass = function(name) {
+        var fulleditor = this.getFullEditor();
+        fulleditor.className = fulleditor.className.replace(' '+name, '');
+    };
+
+    var busycount = 0;
+    this.busy = function() {
+        if (busycount <= 0) {
+            this.setClass('kupu-busy');
+        }
+        busycount++;
+    };
+    this.notbusy = function(force) {
+        busycount = force?0:busycount?busycount-1:0;
+        if (busycount <= 0) {
+            this.clearClass('kupu-busy');
+        }
+    };
+
+    this.suspendEditing = function() {
+        this._previous_range = this.getSelection().getRange();
+        this.setClass('kupu-modal');
+        for (var id in this.tools) {
+            this.tools[id].disable();
+        }
+        if (this.getBrowserName() == "IE") {
+            var body = this.getInnerDocument().getElementsByTagName('body')[0];
+            body.setAttribute('contentEditable', 'false');
+        } else {
+            this.getDocument().execCommand('contentReadOnly', 'true');
+        }
+        this.suspended = true;
+    };
+    
+    this.resumeEditing = function() {
+        if (!this.suspended) {
+            return;
+        }
+        this.clearClass('kupu-modal');
+        for (var id in this.tools) {
+            this.tools[id].enable();
+        }
+        if (this.getBrowserName() == "IE") {
+            var body = this.getInnerDocument().getElementsByTagName('body')[0];
+            body.setAttribute('contentEditable', 'true');
+            this._restoreSelection();
+        } else {
+            var doc = this.getInnerDocument();
+            this.getDocument().execCommand('contentReadOnly', 'false');
+            doc.designMode = "On";
+            this.focusDocument();
+            this.getSelection().restoreRange(this._previous_range);
+        }
+        this.suspended = false;
+    };
+    this.newElement = function(tagName) {
+        return newDocumentElement(this.getInnerDocument(), tagName, arguments);
+    };
+    this.newText = function(text) {
+        return this.getInnerDocument().createTextNode(text);
+    };
+}
+
+