Added a copy of Firebug Lite for debugging purposes. License is uncertain but being treated as MPL. (If is is not MPL then it is under something more permissive that permits relicensing anyway)
(function(){var each=tinymce.each;tinymce.create('tinymce.plugins.TablePlugin',{init:function(ed,url){var t=this;t.editor=ed;t.url=url;each([['table','table.desc','mceInsertTable',true],['delete_table','table.del','mceTableDelete'],['delete_col','table.delete_col_desc','mceTableDeleteCol'],['delete_row','table.delete_row_desc','mceTableDeleteRow'],['col_after','table.col_after_desc','mceTableInsertColAfter'],['col_before','table.col_before_desc','mceTableInsertColBefore'],['row_after','table.row_after_desc','mceTableInsertRowAfter'],['row_before','table.row_before_desc','mceTableInsertRowBefore'],['row_props','table.row_desc','mceTableRowProps',true],['cell_props','table.cell_desc','mceTableCellProps',true],['split_cells','table.split_cells_desc','mceTableSplitCells',true],['merge_cells','table.merge_cells_desc','mceTableMergeCells',true]],function(c){ed.addButton(c[0],{title:c[1],cmd:c[2],ui:c[3]});});ed.onInit.add(function(){if(ed&&ed.plugins.contextmenu){ed.plugins.contextmenu.onContextMenu.add(function(th,m,e){var sm;if(ed.dom.getParent(e,'td')||ed.dom.getParent(e,'th')){m.removeAll();m.add({title:'table.desc',icon:'table',cmd:'mceInsertTable',ui:true,value:{action:'insert'}});m.add({title:'table.props_desc',icon:'table_props',cmd:'mceInsertTable',ui:true});m.add({title:'table.del',icon:'delete_table',cmd:'mceTableDelete',ui:true});m.addSeparator();sm=m.addMenu({title:'table.cell'});sm.add({title:'table.cell_desc',icon:'cell_props',cmd:'mceTableCellProps',ui:true});sm.add({title:'table.split_cells_desc',icon:'split_cells',cmd:'mceTableSplitCells',ui:true});sm.add({title:'table.merge_cells_desc',icon:'merge_cells',cmd:'mceTableMergeCells',ui:true});sm=m.addMenu({title:'table.row'});sm.add({title:'table.row_desc',icon:'row_props',cmd:'mceTableRowProps',ui:true});sm.add({title:'table.row_before_desc',icon:'row_before',cmd:'mceTableInsertRowBefore'});sm.add({title:'table.row_after_desc',icon:'row_after',cmd:'mceTableInsertRowAfter'});sm.add({title:'table.delete_row_desc',icon:'delete_row',cmd:'mceTableDeleteRow'});sm.addSeparator();sm.add({title:'table.cut_row_desc',icon:'cut',cmd:'mceTableCutRow'});sm.add({title:'table.copy_row_desc',icon:'copy',cmd:'mceTableCopyRow'});sm.add({title:'table.paste_row_before_desc',icon:'paste',cmd:'mceTablePasteRowBefore'});sm.add({title:'table.paste_row_after_desc',icon:'paste',cmd:'mceTablePasteRowAfter'});sm=m.addMenu({title:'table.col'});sm.add({title:'table.col_before_desc',icon:'col_before',cmd:'mceTableInsertColBefore'});sm.add({title:'table.col_after_desc',icon:'col_after',cmd:'mceTableInsertColAfter'});sm.add({title:'table.delete_col_desc',icon:'delete_col',cmd:'mceTableDeleteCol'});}else m.add({title:'table.desc',icon:'table',cmd:'mceInsertTable',ui:true});});}});if(tinymce.isGecko){ed.onKeyPress.add(function(ed,e){var n;if(e.keyCode==46){n=ed.dom.getParent(ed.selection.getNode(),'TD,TH');if(n&&(!n.hasChildNodes()||(n.childNodes.length==1&&n.firstChild.nodeName=='BR')))tinymce.dom.Event.cancel(e);}});}ed.onKeyDown.add(function(ed,e){if(e.keyCode==9&&ed.dom.getParent(ed.selection.getNode(),'TABLE'))ed.undoManager.add();});ed.onNodeChange.add(function(ed,cm,n){var p=ed.dom.getParent(n,'td,th,caption');cm.setActive('table',!!p);if(p&&p.nodeName==='CAPTION')p=null;cm.setDisabled('delete_table',!p);cm.setDisabled('delete_col',!p);cm.setDisabled('delete_table',!p);cm.setDisabled('delete_row',!p);cm.setDisabled('col_after',!p);cm.setDisabled('col_before',!p);cm.setDisabled('row_after',!p);cm.setDisabled('row_before',!p);cm.setDisabled('row_props',!p);cm.setDisabled('cell_props',!p);cm.setDisabled('split_cells',!p||(parseInt(ed.dom.getAttrib(p,'colspan','1'))<2&&parseInt(ed.dom.getAttrib(p,'rowspan','1'))<2));cm.setDisabled('merge_cells',!p);});},execCommand:function(cmd,ui,val){var ed=this.editor,b;switch(cmd){case"mceInsertTable":case"mceTableRowProps":case"mceTableCellProps":case"mceTableSplitCells":case"mceTableMergeCells":case"mceTableInsertRowBefore":case"mceTableInsertRowAfter":case"mceTableDeleteRow":case"mceTableInsertColBefore":case"mceTableInsertColAfter":case"mceTableDeleteCol":case"mceTableCutRow":case"mceTableCopyRow":case"mceTablePasteRowBefore":case"mceTablePasteRowAfter":case"mceTableDelete":ed.execCommand('mceBeginUndoLevel');this._doExecCommand(cmd,ui,val);ed.execCommand('mceEndUndoLevel');return true;}return false;},getInfo:function(){return{longname:'Tables',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/table',version:tinymce.majorVersion+"."+tinymce.minorVersion};},_doExecCommand:function(command,user_interface,value){var inst=this.editor,ed=inst,url=this.url;var focusElm=inst.selection.getNode();var trElm=inst.dom.getParent(focusElm,"tr");var tdElm=inst.dom.getParent(focusElm,"td,th");var tableElm=inst.dom.getParent(focusElm,"table");var doc=inst.contentWindow.document;var tableBorder=tableElm?tableElm.getAttribute("border"):"";if(trElm&&tdElm==null)tdElm=trElm.cells[0];function inArray(ar,v){for(var i=0;i<ar.length;i++){if(ar[i].length>0&&inArray(ar[i],v))return true;if(ar[i]==v)return true;}return false;}function select(dx,dy){var td;grid=getTableGrid(tableElm);dx=dx||0;dy=dy||0;dx=Math.max(cpos.cellindex+dx,0);dy=Math.max(cpos.rowindex+dy,0);inst.execCommand('mceRepaint');td=getCell(grid,dy,dx);if(td){inst.selection.select(td.firstChild||td);inst.selection.collapse(1);}};function makeTD(){var newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';}function getColRowSpan(td){var colspan=inst.dom.getAttrib(td,"colspan");var rowspan=inst.dom.getAttrib(td,"rowspan");colspan=colspan==""?1:parseInt(colspan);rowspan=rowspan==""?1:parseInt(rowspan);return{colspan:colspan,rowspan:rowspan};}function getCellPos(grid,td){var x,y;for(y=0;y<grid.length;y++){for(x=0;x<grid[y].length;x++){if(grid[y][x]==td)return{cellindex:x,rowindex:y};}}return null;}function getCell(grid,row,col){if(grid[row]&&grid[row][col])return grid[row][col];return null;}function getTableGrid(table){var grid=new Array(),rows=table.rows,x,y,td,sd,xstart,x2,y2;for(y=0;y<rows.length;y++){for(x=0;x<rows[y].cells.length;x++){td=rows[y].cells[x];sd=getColRowSpan(td);for(xstart=x;grid[y]&&grid[y][xstart];xstart++);for(y2=y;y2<y+sd['rowspan'];y2++){if(!grid[y2])grid[y2]=new Array();for(x2=xstart;x2<xstart+sd['colspan'];x2++)grid[y2][x2]=td;}}}return grid;}function trimRow(table,tr,td,new_tr){var grid=getTableGrid(table),cpos=getCellPos(grid,td);var cells,lastElm;if(new_tr.cells.length!=tr.childNodes.length){cells=tr.childNodes;lastElm=null;for(var x=0;td=getCell(grid,cpos.rowindex,x);x++){var remove=true;var sd=getColRowSpan(td);if(inArray(cells,td)){new_tr.childNodes[x]._delete=true;}else if((lastElm==null||td!=lastElm)&&sd.colspan>1){for(var i=x;i<x+td.colSpan;i++)new_tr.childNodes[i]._delete=true;}if((lastElm==null||td!=lastElm)&&sd.rowspan>1)td.rowSpan=sd.rowspan+1;lastElm=td;}deleteMarked(tableElm);}}function prevElm(node,name){while((node=node.previousSibling)!=null){if(node.nodeName==name)return node;}return null;}function nextElm(node,names){var namesAr=names.split(',');while((node=node.nextSibling)!=null){for(var i=0;i<namesAr.length;i++){if(node.nodeName.toLowerCase()==namesAr[i].toLowerCase())return node;}}return null;}function deleteMarked(tbl){if(tbl.rows==0)return;var tr=tbl.rows[0];do{var next=nextElm(tr,"TR");if(tr._delete){tr.parentNode.removeChild(tr);continue;}var td=tr.cells[0];if(td.cells>1){do{var nexttd=nextElm(td,"TD,TH");if(td._delete)td.parentNode.removeChild(td);}while((td=nexttd)!=null);}}while((tr=next)!=null);}function addRows(td_elm,tr_elm,rowspan){td_elm.rowSpan=1;var trNext=nextElm(tr_elm,"TR");for(var i=1;i<rowspan&&trNext;i++){var newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';if(tinymce.isIE)trNext.insertBefore(newTD,trNext.cells(td_elm.cellIndex));else trNext.insertBefore(newTD,trNext.cells[td_elm.cellIndex]);trNext=nextElm(trNext,"TR");}}function copyRow(doc,table,tr){var grid=getTableGrid(table);var newTR=tr.cloneNode(false);var cpos=getCellPos(grid,tr.cells[0]);var lastCell=null;var tableBorder=inst.dom.getAttrib(table,"border");var tdElm=null;for(var x=0;tdElm=getCell(grid,cpos.rowindex,x);x++){var newTD=null;if(lastCell!=tdElm){for(var i=0;i<tr.cells.length;i++){if(tdElm==tr.cells[i]){newTD=tdElm.cloneNode(true);break;}}}if(newTD==null){newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';}newTD.colSpan=1;newTD.rowSpan=1;newTR.appendChild(newTD);lastCell=tdElm;}return newTR;}switch(command){case"mceTableRowProps":if(trElm==null)return true;if(user_interface){inst.windowManager.open({url:url+'/row.htm',width:400+parseInt(inst.getLang('table.rowprops_delta_width',0)),height:295+parseInt(inst.getLang('table.rowprops_delta_height',0)),inline:1},{plugin_url:url});}return true;case"mceTableCellProps":if(tdElm==null)return true;if(user_interface){inst.windowManager.open({url:url+'/cell.htm',width:400+parseInt(inst.getLang('table.cellprops_delta_width',0)),height:295+parseInt(inst.getLang('table.cellprops_delta_height',0)),inline:1},{plugin_url:url});}return true;case"mceInsertTable":if(user_interface){inst.windowManager.open({url:url+'/table.htm',width:400+parseInt(inst.getLang('table.table_delta_width',0)),height:320+parseInt(inst.getLang('table.table_delta_height',0)),inline:1},{plugin_url:url,action:value?value.action:0});}return true;case"mceTableDelete":var table=inst.dom.getParent(inst.selection.getNode(),"table");if(table){table.parentNode.removeChild(table);inst.execCommand('mceRepaint');}return true;case"mceTableSplitCells":case"mceTableMergeCells":case"mceTableInsertRowBefore":case"mceTableInsertRowAfter":case"mceTableDeleteRow":case"mceTableInsertColBefore":case"mceTableInsertColAfter":case"mceTableDeleteCol":case"mceTableCutRow":case"mceTableCopyRow":case"mceTablePasteRowBefore":case"mceTablePasteRowAfter":if(!tableElm)return true;if(trElm&&tableElm!=trElm.parentNode)tableElm=trElm.parentNode;if(tableElm&&trElm){switch(command){case"mceTableCutRow":if(!trElm||!tdElm)return true;inst.tableRowClipboard=copyRow(doc,tableElm,trElm);inst.execCommand("mceTableDeleteRow");break;case"mceTableCopyRow":if(!trElm||!tdElm)return true;inst.tableRowClipboard=copyRow(doc,tableElm,trElm);break;case"mceTablePasteRowBefore":if(!trElm||!tdElm)return true;var newTR=inst.tableRowClipboard.cloneNode(true);var prevTR=prevElm(trElm,"TR");if(prevTR!=null)trimRow(tableElm,prevTR,prevTR.cells[0],newTR);trElm.parentNode.insertBefore(newTR,trElm);break;case"mceTablePasteRowAfter":if(!trElm||!tdElm)return true;var nextTR=nextElm(trElm,"TR");var newTR=inst.tableRowClipboard.cloneNode(true);trimRow(tableElm,trElm,tdElm,newTR);if(nextTR==null)trElm.parentNode.appendChild(newTR);else nextTR.parentNode.insertBefore(newTR,nextTR);break;case"mceTableInsertRowBefore":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);var newTR=doc.createElement("tr");var lastTDElm=null;cpos.rowindex--;if(cpos.rowindex<0)cpos.rowindex=0;for(var x=0;tdElm=getCell(grid,cpos.rowindex,x);x++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd['rowspan']==1){var newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';newTD.colSpan=tdElm.colSpan;newTR.appendChild(newTD);}else tdElm.rowSpan=sd['rowspan']+1;lastTDElm=tdElm;}}trElm.parentNode.insertBefore(newTR,trElm);select(0,1);break;case"mceTableInsertRowAfter":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);var newTR=doc.createElement("tr");var lastTDElm=null;for(var x=0;tdElm=getCell(grid,cpos.rowindex,x);x++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd['rowspan']==1){var newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';newTD.colSpan=tdElm.colSpan;newTR.appendChild(newTD);}else tdElm.rowSpan=sd['rowspan']+1;lastTDElm=tdElm;}}if(newTR.hasChildNodes()){var nextTR=nextElm(trElm,"TR");if(nextTR)nextTR.parentNode.insertBefore(newTR,nextTR);else tableElm.appendChild(newTR);}select(0,1);break;case"mceTableDeleteRow":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);if(grid.length==1){inst.dom.remove(inst.dom.getParent(tableElm,"table"));return true;}var cells=trElm.cells;var nextTR=nextElm(trElm,"TR");for(var x=0;x<cells.length;x++){if(cells[x].rowSpan>1){var newTD=cells[x].cloneNode(true);var sd=getColRowSpan(cells[x]);newTD.rowSpan=sd.rowspan-1;var nextTD=nextTR.cells[x];if(nextTD==null)nextTR.appendChild(newTD);else nextTR.insertBefore(newTD,nextTD);}}var lastTDElm=null;for(var x=0;tdElm=getCell(grid,cpos.rowindex,x);x++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd.rowspan>1){tdElm.rowSpan=sd.rowspan-1;}else{trElm=tdElm.parentNode;if(trElm.parentNode)trElm._delete=true;}lastTDElm=tdElm;}}deleteMarked(tableElm);select(0,-1);break;case"mceTableInsertColBefore":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);var lastTDElm=null;for(var y=0;tdElm=getCell(grid,y,cpos.cellindex);y++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd['colspan']==1){var newTD=doc.createElement(tdElm.nodeName);if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';newTD.rowSpan=tdElm.rowSpan;tdElm.parentNode.insertBefore(newTD,tdElm);}else tdElm.colSpan++;lastTDElm=tdElm;}}select();break;case"mceTableInsertColAfter":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);var lastTDElm=null;for(var y=0;tdElm=getCell(grid,y,cpos.cellindex);y++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd['colspan']==1){var newTD=doc.createElement(tdElm.nodeName);if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';newTD.rowSpan=tdElm.rowSpan;var nextTD=nextElm(tdElm,"TD,TH");if(nextTD==null)tdElm.parentNode.appendChild(newTD);else nextTD.parentNode.insertBefore(newTD,nextTD);}else tdElm.colSpan++;lastTDElm=tdElm;}}select(1);break;case"mceTableDeleteCol":if(!trElm||!tdElm)return true;var grid=getTableGrid(tableElm);var cpos=getCellPos(grid,tdElm);var lastTDElm=null;if(grid.length>1&&grid[0].length<=1){inst.dom.remove(inst.dom.getParent(tableElm,"table"));return true;}for(var y=0;tdElm=getCell(grid,y,cpos.cellindex);y++){if(tdElm!=lastTDElm){var sd=getColRowSpan(tdElm);if(sd['colspan']>1)tdElm.colSpan=sd['colspan']-1;else{if(tdElm.parentNode)tdElm.parentNode.removeChild(tdElm);}lastTDElm=tdElm;}}select(-1);break;case"mceTableSplitCells":if(!trElm||!tdElm)return true;var spandata=getColRowSpan(tdElm);var colspan=spandata["colspan"];var rowspan=spandata["rowspan"];if(colspan>1||rowspan>1){tdElm.colSpan=1;for(var i=1;i<colspan;i++){var newTD=doc.createElement("td");if(!tinymce.isIE)newTD.innerHTML='<br mce_bogus="1"/>';trElm.insertBefore(newTD,nextElm(tdElm,"TD,TH"));if(rowspan>1)addRows(newTD,trElm,rowspan);}addRows(tdElm,trElm,rowspan);}tableElm=inst.dom.getParent(inst.selection.getNode(),"table");break;case"mceTableMergeCells":var rows=[];var sel=inst.selection.getSel();var grid=getTableGrid(tableElm);if(tinymce.isIE||sel.rangeCount==1){if(user_interface){var sp=getColRowSpan(tdElm);inst.windowManager.open({url:url+'/merge_cells.htm',width:240+parseInt(inst.getLang('table.merge_cells_delta_width',0)),height:110+parseInt(inst.getLang('table.merge_cells_delta_height',0)),inline:1},{action:"update",numcols:sp.colspan,numrows:sp.rowspan,plugin_url:url});return true;}else{var numRows=parseInt(value['numrows']);var numCols=parseInt(value['numcols']);var cpos=getCellPos(grid,tdElm);if((""+numRows)=="NaN")numRows=1;if((""+numCols)=="NaN")numCols=1;var tRows=tableElm.rows;for(var y=cpos.rowindex;y<grid.length;y++){var rowCells=new Array();for(var x=cpos.cellindex;x<grid[y].length;x++){var td=getCell(grid,y,x);if(td&&!inArray(rows,td)&&!inArray(rowCells,td)){var cp=getCellPos(grid,td);if(cp.cellindex<cpos.cellindex+numCols&&cp.rowindex<cpos.rowindex+numRows)rowCells[rowCells.length]=td;}}if(rowCells.length>0)rows[rows.length]=rowCells;}}}else{var cells=[];var sel=inst.selection.getSel();var lastTR=null;var curRow=null;var x1=-1,y1=-1,x2,y2;if(sel.rangeCount<2)return true;for(var i=0;i<sel.rangeCount;i++){var rng=sel.getRangeAt(i);var tdElm=rng.startContainer.childNodes[rng.startOffset];if(!tdElm)break;if(tdElm.nodeName=="TD")cells[cells.length]=tdElm;}var tRows=tableElm.rows;for(var y=0;y<tRows.length;y++){var rowCells=new Array();for(var x=0;x<tRows[y].cells.length;x++){var td=tRows[y].cells[x];for(var i=0;i<cells.length;i++){if(td==cells[i]){rowCells[rowCells.length]=td;}}}if(rowCells.length>0)rows[rows.length]=rowCells;}var curRow=new Array();var lastTR=null;for(var y=0;y<grid.length;y++){for(var x=0;x<grid[y].length;x++){grid[y][x]._selected=false;for(var i=0;i<cells.length;i++){if(grid[y][x]==cells[i]){if(x1==-1){x1=x;y1=y;}x2=x;y2=y;grid[y][x]._selected=true;}}}}for(var y=y1;y<=y2;y++){for(var x=x1;x<=x2;x++){if(!grid[y][x]._selected){alert("Invalid selection for merge.");return true;}}}}var rowSpan=1,colSpan=1;var lastRowSpan=-1;for(var y=0;y<rows.length;y++){var rowColSpan=0;for(var x=0;x<rows[y].length;x++){var sd=getColRowSpan(rows[y][x]);rowColSpan+=sd['colspan'];if(lastRowSpan!=-1&&sd['rowspan']!=lastRowSpan){alert("Invalid selection for merge.");return true;}lastRowSpan=sd['rowspan'];}if(rowColSpan>colSpan)colSpan=rowColSpan;lastRowSpan=-1;}var lastColSpan=-1;for(var x=0;x<rows[0].length;x++){var colRowSpan=0;for(var y=0;y<rows.length;y++){var sd=getColRowSpan(rows[y][x]);colRowSpan+=sd['rowspan'];if(lastColSpan!=-1&&sd['colspan']!=lastColSpan){alert("Invalid selection for merge.");return true;}lastColSpan=sd['colspan'];}if(colRowSpan>rowSpan)rowSpan=colRowSpan;lastColSpan=-1;}tdElm=rows[0][0];tdElm.rowSpan=rowSpan;tdElm.colSpan=colSpan;for(var y=0;y<rows.length;y++){for(var x=0;x<rows[y].length;x++){var html=rows[y][x].innerHTML;var chk=html.replace(/[ \t\r\n]/g,"");if(chk!="<br/>"&&chk!="<br>"&&chk!='<br mce_bogus="1"/>'&&(x+y>0))tdElm.innerHTML+=html;if(rows[y][x]!=tdElm&&!rows[y][x]._deleted){var cpos=getCellPos(grid,rows[y][x]);var tr=rows[y][x].parentNode;tr.removeChild(rows[y][x]);rows[y][x]._deleted=true;if(!tr.hasChildNodes()){tr.parentNode.removeChild(tr);var lastCell=null;for(var x=0;cellElm=getCell(grid,cpos.rowindex,x);x++){if(cellElm!=lastCell&&cellElm.rowSpan>1)cellElm.rowSpan--;lastCell=cellElm;}if(tdElm.rowSpan>1)tdElm.rowSpan--;}}}}break;}tableElm=inst.dom.getParent(inst.selection.getNode(),"table");inst.addVisual(tableElm);inst.nodeChanged();}return true;}return false;}});tinymce.PluginManager.add('table',tinymce.plugins.TablePlugin);})();