// Name:        HTMLEditor.Toolbar_buttons.RemoveStyles.debug.js
// Assembly:    AjaxControlToolkit
// Version:     4.5.7.1005
// FileVersion: 4.5.7.1005
Type.registerNamespace("Sys.Extended.UI.HTMLEditor.ToolbarButton");

Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles = function(element) {
    Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles.initializeBase(this, [element]);
}

Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles.prototype = {
    callMethod : function() {
        if(!Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles.callBaseMethod(this, "callMethod")) return false;
        var editor = this._designPanel;
        
        setTimeout(function() {
            var selectedHTML = (!Sys.Extended.UI.HTMLEditor.isIE)?Sys.Extended.UI.HTMLEditor.Trim(editor.getSelectedHTML()):"";
            var sel   = editor._getSelection();
            var range = editor._createRange(sel);
            var rng = null;
            var expanded = false;

            if(!editor.isControl() && ((Sys.Extended.UI.HTMLEditor.isIE && range.text.length>0) || (!Sys.Extended.UI.HTMLEditor.isIE && selectedHTML.length > 0))) {
                rng=editor._getTextNodeCollection();
            } else {
                rng = editor._tryExpand();
                expanded = true;
            }

            if(rng != null && rng.length > 0) {
                var changed=false;  // document tree changing indicator
                var _found =true;   // style tag deleting indicator
                var _text=null;

                editor._saveContent(); // for undo

                var span1 = editor._doc.createElement("span");
                span1.id  = "_left_";
                var span2 = editor._doc.createElement("span");
                span2.id  = "_right_";

                var par1  = rng[0].parentNode;
                var par2  = rng[rng.length-1].parentNode;

                par1.insertBefore(span1,rng[0]);

                if(rng[rng.length-1].nextSibling)
                    par2.insertBefore(span2,rng[rng.length-1].nextSibling);
                else
                    par2.appendChild(span2);

                while(_found) { // while there were tags' deletings
                    _found =false; // reset the indicator
                    for(var i=0; i< rng.length; i++) { // inspect all TextNodes
                        var par    = rng[i].parentNode;

                        if(par) {
                            if(rng[i].previousSibling == null && rng[i].nextSibling == null) {
                                var tag    = par.tagName.toUpperCase();

                                if( Sys.Extended.UI.HTMLEditor.isStyleTag(tag) && (tag != "A") && (par.className != Sys.Extended.UI.HTMLEditor.smartClassName || tag.substr(0,1) == "H") ) {
                                    var _attrs = Sys.Extended.UI.HTMLEditor.differAttr(par,["class","color","face","size"]);

                                    changed=true;

                                    if(_attrs.length==0) {
                                        var parent=par.parentNode;
                                        var el = (par.firstChild)?par.firstChild:null;
                                        var P  = null;

                                        if(tag.toUpperCase().substr(0,1) == "H" && (Sys.Extended.UI.HTMLEditor.isIE)) {
                                            P = editor._doc.createElement("p");
                                            P.className = Sys.Extended.UI.HTMLEditor.smartClassName;

                                            parent.insertBefore(P,par);

                                            while(par.firstChild) { // chieldren moving
                                                P.appendChild(par.firstChild);
                                            }
                                        } else {
                                            while(par.firstChild){ // chieldren moving
                                                parent.insertBefore(par.firstChild,par);
                                            }

                                            if(tag.toUpperCase().substr(0,1) == "H") {
                                                var br = editor._doc.createElement("br");
                                                parent.insertBefore(br,par);
                                            }
                                        }

                                        parent.removeChild(par);
                                        _found=true; // set indicator
                                    } else { // we can't remove the tag - cleaning only
                                        var parent=par.parentNode;

                                        var nel   =editor._doc.createElement(tag);
                                        for(var j=0; j<_attrs.length; j++) {
                                            nel.setAttribute(_attrs[j][0], _attrs[j][1]);
                                        }


                                        parent.insertBefore(nel,par);
                                        while(par.firstChild) {
                                            nel.appendChild(par.firstChild);
                                        }
                                        parent.removeChild(par);
                                    }
                                }
                            }
                        }
                    }
                }

                for(var i=0; i< rng.length; i++) { // inspect all TextNodes
                    var el   = rng[i];
                    var _prn = (rng[i].parentNode != null && typeof rng[i].parentNode != "undefined")?rng[i].parentNode:null;

                    if(_prn) {

                        var _fnd = null;

                        while (_prn && _prn.tagName && _prn.tagName.toUpperCase() != "BODY" && Sys.Extended.UI.HTMLEditor.isStyleTag(_prn.tagName) && (_prn.tagName.toUpperCase() != "A")
                               && Sys.Extended.UI.HTMLEditor.differAttr(_prn,["class","color","face","size"]).length == 0
                        ) {
                            _fnd = _prn;
                            _prn = _prn.parentNode;
                        }


                        if(_fnd) {
                            changed=true;

                            function diver(add,el, rpr, before) {
                                var par=rpr.cloneNode(false);

                                if(add) {
                                    if(add.push && typeof add.push == "function") {
                                        for(var iii=0; iii < add.length; iii++) {
                                            par.appendChild(add[iii]);
                                        }
                                    } else
                                        par.appendChild(add);
                                }

                                while(el) {
                                    var elSibling=before?el.previousSibling:el.nextSibling;
                                    if(el.nodeType==1 || (el.nodeType==3 && Sys.Extended.UI.HTMLEditor.Trim(""+el.data+"").length>0)) {
                                        if(el.nodeType==1) {
                                            if(Sys.Extended.UI.HTMLEditor.isStyleTag(el.tagName) && (el.tagName.toUpperCase() != "A") && (!el.id || (el.id != "_left_" && el.id != "_right_"))) {
                                                Sys.Extended.UI.HTMLEditor.spanJoiner(el);
                                            }

                                            if(Sys.Extended.UI.HTMLEditor.isStyleTag(el.tagName) && el.childNodes.length==0 && (!el.id || (el.id != "_left_" && el.id != "_right_"))) {
                                                el=null;
                                            }
                                        }
                                        if(el) {
                                            if(par.childNodes.length == 0 || !before)
                                                par.appendChild(el);
                                            else
                                                par.insertBefore(el,par.firstChild);
                                        }
                                    }
                                    el=elSibling;
                                }

                                if(par.childNodes.length==0) {
                                    delete par;
                                    par=null;
                                } else if(par.childNodes.length==1 && par.firstChild.nodeType==3 && (""+par.firstChild.data+"").length==0) {
                                    delete par;
                                    par=null;
                                } else {
                                    if(Sys.Extended.UI.HTMLEditor.isStyleTag(par.tagName)) {
                                        var elNumber = par.childNodes.length;
                                        for(var cnt=0; cnt< par.childNodes.length; cnt++) {
                                            var inn = par.childNodes.item(cnt);
                                            if(inn.nodeType==1 && !Sys.Extended.UI.HTMLEditor.isStyleTag(inn.tagName)) elNumber--;
                                        }

                                        if(elNumber == 0) {
                                            var parr = [];
                                            while(par.firstChild) {
                                                var inn = par.removeChild(par.firstChild);
                                                parr.push(inn);
                                            }
                                            par = parr;
                                        }
                                    }
                                }

                                if(rpr==_fnd) 
                                    return par;
                                else
                                    return diver(par,before?rpr.previousSibling:rpr.nextSibling,rpr.parentNode,before);
                            };

                            _prn = el.parentNode;

                            if ( el.previousSibling == null && el.nextSibling == null &&
                                _prn && _prn.tagName && _prn.tagName.toUpperCase() != "BODY" && Sys.Extended.UI.HTMLEditor.isStyleTag(_prn.tagName) &&
                                Sys.Extended.UI.HTMLEditor.differAttr(_prn,["class","color","face","size"]).length > 0
                            )
                                el = _prn;


                            var p1 = diver(null,el.previousSibling,el.parentNode,true );
                            var p2 = diver(null,el.nextSibling    ,el.parentNode,false);

                            var par    = _fnd.parentNode;
                            if(p1) {
                                if(p1.push && typeof p1.push == "function") {
                                    for(var iii=0; iii < p1.length; iii++) {
                                        par.insertBefore(p1[iii],_fnd);
                                    }
                                } else {
                                    par.insertBefore(p1,_fnd);
                                }

                                if(Sys.Extended.UI.HTMLEditor.isIE) {
                                    span1  = editor._doc.getElementById("_left_");
                                    span2 = editor._doc.getElementById("_right_");
                                }
                            }
                            par.insertBefore(el,_fnd);
                            if(p2) {
                                if(p2.push && typeof p2.push == "function") {
                                    for(var iii=0; iii < p2.length; iii++) {
                                        par.insertBefore(p2[iii],_fnd);
                                    }
                                } else {
                                    par.insertBefore(p2,_fnd);
                                }

                                if(Sys.Extended.UI.HTMLEditor.isIE) {
                                    span1  = editor._doc.getElementById("_left_");
                                    span2 = editor._doc.getElementById("_right_");
                                }
                            }
                            par.removeChild (_fnd);
                        }
                    }
                }

                if(expanded) {
                    if(Sys.Extended.UI.HTMLEditor.isIE && editor.__saveBM__ != null) {
                        try {
                            var ppp = span1.parentNode;
                            ppp.removeChild(span1);
                            while(ppp && ppp.childNodes.length==0) {
                                ppp.parentNode.removeChild(ppp);
                                ppp = ppp.parentNode;
                            }

                            ppp = span2.parentNode;
                            ppp.removeChild(span2);
                            while(ppp && ppp.childNodes.length==0) {
                                ppp.parentNode.removeChild(ppp);
                                ppp = ppp.parentNode;
                            }
                            span1 = null;
                            span2 = null;
                        } catch(e){}

                        var sel   = editor._getSelection();
                        var range = editor._createRange(sel);
                        range.moveToBookmark(editor.__saveBM__);
                        range.select();
                        editor.__saveBM__ = null;
                    } else if(editor.__saveBM__ != null) {
                        if(editor.__saveBM__[0].nodeType==3) {
                            var sel   = editor._getSelection();
                            var range  = editor._doc.createRange();
                            range.setStart(editor.__saveBM__[0],editor.__saveBM__[1]);
                            range.setEnd  (editor.__saveBM__[0],editor.__saveBM__[1]);
                            editor._removeAllRanges(sel);
                            editor._selectRange(sel,range);
                        } else {
                            editor._trySelect(editor.__saveBM__[0],editor.__saveBM__[0]);
                            editor.__saveBM__[0].parentNode.removeChild(editor.__saveBM__[0]);
                        }
                        editor.__saveBM__ = null;
                    }
                } else if(!Sys.Extended.UI.HTMLEditor.isIE) {
                    rng = [];
                    var _found = false;

                    function _diver(_point,prize) {
                        while(_point) {
                            if(_point == span2) {
                                _found=true;
                                return;
                            }

                            if(_point.nodeType==3) {
                                while(_point.nextSibling && _point.nextSibling.nodeType==3) {
                                    _point.data= ""+_point.data+""+_point.nextSibling.data+"";
                                    _point.parentNode.removeChild(_point.nextSibling);
                                }
                                if(Sys.Extended.UI.HTMLEditor.Trim(""+_point.data+"").length>0) rng.push(_point);
                            } else
                                _diver(_point.firstChild,false);

                            if(_found) return;

                            var _save= _point.parentNode;

                            if(prize) {
                                while(_point && _point.nextSibling==null) {
                                    _point=_point.parentNode;
                                }
                            }

                            _point = _point.nextSibling;
                        }
                    }

                    _diver(span1,true);

                    range  = editor._doc.createRange();
                    range.setStart(rng[0],0);
                    range.setEnd  (rng[rng.length-1],(""+rng[rng.length-1].data+"").length);

                    editor._removeAllRanges(sel);
                    editor._selectRange(sel,range);
                } else {
                    try {
                        sel   = editor._getSelection();
                        var range1= editor._createRange(sel);
                        var range2= editor._createRange(sel);

                        range1.moveToElementText(span1);
                        range2.moveToElementText(span2);

                        range1.setEndPoint("EndToEnd", range2);
                        range1.select();
                    } catch(e){}
                }

                try {
                    var ppp;
                    if(span1 != null) {
                        ppp = span1.parentNode;
                        ppp.removeChild(span1);
                        while(ppp && ppp.childNodes.length==0) {
                            ppp.parentNode.removeChild(ppp);
                            ppp = ppp.parentNode;
                        }
                    }
                    if(span2 != null) {
                        ppp = span2.parentNode;
                        ppp.removeChild(span2);
                        while(ppp && ppp.childNodes.length==0) {
                            ppp.parentNode.removeChild(ppp);
                            ppp = ppp.parentNode;
                        }
                    }
                }
                catch(e){}
                editor.onContentChanged();
                editor._editPanel.updateToolbar();
            }
        },0);
    }
}

Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles.registerClass("Sys.Extended.UI.HTMLEditor.ToolbarButton.RemoveStyles", Sys.Extended.UI.HTMLEditor.ToolbarButton.MethodButton);