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/* Import plugin specific language pack */
tinyMCE.importPluginLanguagePack('table', 'en,ar,cs,da,de,el,es,fi,fr_ca,hu,it,ja,ko,nl,no,pl,pt,sv,tw,zh_cn,fr,de,he,no');

function TinyMCE_table_getInfo() {
	return {
		longname : 'Tables',
		author : 'Moxiecode Systems',
		authorurl : 'http://tinymce.moxiecode.com',
		infourl : 'http://tinymce.moxiecode.com/tinymce/docs/plugin_table.html',
		version : tinyMCE.majorVersion + "." + tinyMCE.minorVersion
	};
};

function TinyMCE_table_initInstance(inst) {
	if (tinyMCE.isGecko) {
		var doc = inst.getDoc();

		tinyMCE.addEvent(doc, "mouseup", TinyMCE_table_mouseDownHandler);

		try {
			// For future FF versions
			doc.execCommand('enableInlineTableEditing', false, false);
		} catch (e) {
			// Ignore
		}
	}

	inst.tableRowClipboard = null;
}

function TinyMCE_table_mouseDownHandler(e) {
	var elm = tinyMCE.isMSIE ? event.srcElement : e.target;
	var focusElm = tinyMCE.selectedInstance.getFocusElement();

	// If press on special Mozilla create TD/TR thingie
	if (elm.nodeName == "BODY" && (focusElm.nodeName == "TD" || focusElm.nodeName == "TH" || (focusElm.parentNode && focusElm.parentNode.nodeName == "TD") ||(focusElm.parentNode && focusElm.parentNode.nodeName == "TH") )) {
		window.setTimeout(function() {
			var tableElm = tinyMCE.getParentElement(focusElm, "table");
			tinyMCE.handleVisualAid(tableElm, true, tinyMCE.settings['visual'], tinyMCE.selectedInstance);
		}, 10);
	}
}

/**
 * Returns the HTML contents of the table control.
 */
function TinyMCE_table_getControlHTML(control_name) {
	var controls = new Array(
		['table', 'table.gif', '{$lang_table_desc}', 'mceInsertTable', true],
		['delete_col', 'table_delete_col.gif', '{$lang_table_delete_col_desc}', 'mceTableDeleteCol'],
		['delete_row', 'table_delete_row.gif', '{$lang_table_delete_row_desc}', 'mceTableDeleteRow'],
		['col_after', 'table_insert_col_after.gif', '{$lang_table_col_after_desc}', 'mceTableInsertColAfter'],
		['col_before', 'table_insert_col_before.gif', '{$lang_table_col_before_desc}', 'mceTableInsertColBefore'],
		['row_after', 'table_insert_row_after.gif', '{$lang_table_row_after_desc}', 'mceTableInsertRowAfter'],
		['row_before', 'table_insert_row_before.gif', '{$lang_table_row_before_desc}', 'mceTableInsertRowBefore'],
		['row_props', 'table_row_props.gif', '{$lang_table_row_desc}', 'mceTableRowProps', true],
		['cell_props', 'table_cell_props.gif', '{$lang_table_cell_desc}', 'mceTableCellProps', true],
		['split_cells', 'table_split_cells.gif', '{$lang_table_split_cells_desc}', 'mceTableSplitCells', true],
		['merge_cells', 'table_merge_cells.gif', '{$lang_table_merge_cells_desc}', 'mceTableMergeCells', true]);

	// Render table control
	for (var i=0; i<controls.length; i++) {
		var but = controls[i];

		if (but[0] == control_name && (tinyMCE.isMSIE || !tinyMCE.settings['button_tile_map']))
			return '<a href="javascript:tinyMCE.execInstanceCommand(\'{$editor_id}\',\'' + but[3] + '\', ' + (but.length > 4 ? but[4] : false) + (but.length > 5 ? ', \'' + but[5] + '\'' : '') + ');" target="_self" onmousedown="return false;"><img id="{$editor_id}_' + but[0] + '" src="{$pluginurl}/images/' + but[1] + '" title="' + but[2] + '" width="20" height="20" class="mceButtonDisabled" onmouseover="tinyMCE.switchClass(this,\'mceButtonOver\');" onmouseout="tinyMCE.restoreClass(this);" onmousedown="tinyMCE.restoreAndSwitchClass(this,\'mceButtonDown\');" /></a>';
		else if (but[0] == control_name)
			return '<a href="javascript:tinyMCE.execInstanceCommand(\'{$editor_id}\',\'' + but[3] + '\', ' + (but.length > 4 ? but[4] : false) + (but.length > 5 ? ', \'' + but[5] + '\'' : '') + ');" target="_self" onmousedown="return false;"><img id="{$editor_id}_' + but[0] + '" src="{$themeurl}/images/spacer.gif" style="background-image:url({$pluginurl}/images/buttons.gif); background-position: ' + (0-(i*20)) + 'px 0px" title="' + but[2] + '" width="20" height="20" class="mceButtonDisabled" onmouseover="tinyMCE.switchClass(this,\'mceButtonOver\');" onmouseout="tinyMCE.restoreClass(this);" onmousedown="tinyMCE.restoreAndSwitchClass(this,\'mceButtonDown\');" /></a>';
	}

	// Special tablecontrols
	if (control_name == "tablecontrols") {
		var html = "";

		html += tinyMCE.getControlHTML("table");
		html += tinyMCE.getControlHTML("separator");
		html += tinyMCE.getControlHTML("row_props");
		html += tinyMCE.getControlHTML("cell_props");
		html += tinyMCE.getControlHTML("separator");
		html += tinyMCE.getControlHTML("row_before");
		html += tinyMCE.getControlHTML("row_after");
		html += tinyMCE.getControlHTML("delete_row");
		html += tinyMCE.getControlHTML("separator");
		html += tinyMCE.getControlHTML("col_before");
		html += tinyMCE.getControlHTML("col_after");
		html += tinyMCE.getControlHTML("delete_col");
		html += tinyMCE.getControlHTML("separator");
		html += tinyMCE.getControlHTML("split_cells");
		html += tinyMCE.getControlHTML("merge_cells");

		return html;
	}

	return "";
}

/**
 * Executes the table commands.
 */
function TinyMCE_table_execCommand(editor_id, element, command, user_interface, value) {
	// Is table command
	switch (command) {
		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":
			var inst = tinyMCE.getInstanceById(editor_id);

			inst.execCommand('mceBeginUndoLevel');
			TinyMCE_table_doExecCommand(editor_id, element, command, user_interface, value);
			inst.execCommand('mceEndUndoLevel');

			return true;
	}

	// Pass to next handler in chain
	return false;
}

/**
 * Executes the table commands.
 */
function TinyMCE_table_doExecCommand(editor_id, element, command, user_interface, value) {
	var inst = tinyMCE.getInstanceById(editor_id);
	var focusElm = inst.getFocusElement();
	var trElm = tinyMCE.getParentElement(focusElm, "tr");
	var tdElm = tinyMCE.getParentElement(focusElm, "td,th");
	var tableElm = tinyMCE.getParentElement(focusElm, "table");
	var doc = inst.contentWindow.document;
	var tableBorder = tableElm ? tableElm.getAttribute("border") : "";

	// Get first TD if no TD found
	if (trElm && tdElm == null)
		tdElm = trElm.cells[0];

	// ------- Inner functions ---------
	function inArray(ar, v) {
		for (var i=0; i<ar.length; i++) {
			// Is array
			if (ar[i].length > 0 && inArray(ar[i], v))
				return true;

			// Found value
			if (ar[i] == v)
				return true;
		}

		return false;
	}

	function makeTD() {
		var newTD = doc.createElement("td");
		newTD.innerHTML = "&nbsp;";
	}

	function getColRowSpan(td) {
		var colspan = tinyMCE.getAttrib(td, "colspan");
		var rowspan = tinyMCE.getAttrib(td, "rowspan");

		colspan = colspan == "" ? 1 : parseInt(colspan);
		rowspan = rowspan == "" ? 1 : parseInt(rowspan);

		return {colspan : colspan, rowspan : rowspan};
	}

	function getCellPos(grid, td) {
		for (var y=0; y<grid.length; y++) {
			for (var 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();
		var rows = table.rows;

		for (var y=0; y<rows.length; y++) {
			for (var x=0; x<rows[y].cells.length; x++) {
				var td = rows[y].cells[x];
				var sd = getColRowSpan(td);

				// All ready filled
				for (xstart = x; grid[y] && grid[y][xstart]; xstart++) ;

				// Fill box
				for (var y2=y; y2<y+sd['rowspan']; y2++) {
					if (!grid[y2])
						grid[y2] = new Array();

					for (var x2=xstart; x2<xstart+sd['colspan']; x2++) {
						grid[y2][x2] = td;
					}
				}
			}
		}

		return grid;
	}

	function trimRow(table, tr, td, new_tr) {
		var grid = getTableGrid(table);
		var cpos = getCellPos(grid, td);

		// Time to crop away some
		if (new_tr.cells.length != tr.childNodes.length) {
			var cells = tr.childNodes;
			var lastElm = null;

			for (var x=0; td = getCell(grid, cpos.rowindex, x); x++) {
				var remove = true;
				var sd = getColRowSpan(td);

				// Remove due to rowspan
				if (inArray(cells, td)) {
					new_tr.childNodes[x]._delete = true;
				} else if ((lastElm == null || td != lastElm) && sd.colspan > 1) { // Remove due to colspan
					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");

			// Delete row
			if (tr._delete) {
				tr.parentNode.removeChild(tr);
				continue;
			}

			// Delete cells
			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) {
		// Add rows
		td_elm.rowSpan = 1;
		var trNext = nextElm(tr_elm, "TR");
		for (var i=1; i<rowspan && trNext; i++) {
			var newTD = doc.createElement("td");
			newTD.innerHTML = "&nbsp;";

			if (tinyMCE.isMSIE)
				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 = tinyMCE.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");
				newTD.innerHTML = "&nbsp;";
			}

			// Reset col/row span
			newTD.colSpan = 1;
			newTD.rowSpan = 1;

			newTR.appendChild(newTD);

			lastCell = tdElm;
		}

		return newTR;
	}

	// ---- Commands -----

	// Handle commands
	switch (command) {
		case "mceTableRowProps":
			if (trElm == null)
				return true;

			if (user_interface) {
				// Setup template
				var template = new Array();

				template['file'] = '../../plugins/table/row.htm';
				template['width'] = 380;
				template['height'] = 295;

				// Language specific width and height addons
				template['width'] += tinyMCE.getLang('lang_table_rowprops_delta_width', 0);
				template['height'] += tinyMCE.getLang('lang_table_rowprops_delta_width', 0);

				// Open window
				tinyMCE.openWindow(template, {editor_id : inst.editorId, inline : "yes"});
			}

			return true;

		case "mceTableCellProps":
			if (tdElm == null)
				return true;

			if (user_interface) {
				// Setup template
				var template = new Array();

				template['file'] = '../../plugins/table/cell.htm';
				template['width'] = 380;
				template['height'] = 295;

				// Language specific width and height addons
				template['width'] += tinyMCE.getLang('lang_table_cellprops_delta_width', 0);
				template['height'] += tinyMCE.getLang('lang_table_cellprops_delta_width', 0);

				// Open window
				tinyMCE.openWindow(template, {editor_id : inst.editorId, inline : "yes"});
			}

			return true;

		case "mceInsertTable":
			if (user_interface) {
				// Setup template
				var template = new Array();

				template['file'] = '../../plugins/table/table.htm';
				template['width'] = 380;
				template['height'] = 295;

				// Language specific width and height addons
				template['width'] += tinyMCE.getLang('lang_table_table_delta_width', 0);
				template['height'] += tinyMCE.getLang('lang_table_table_delta_height', 0);

				// Open window
				tinyMCE.openWindow(template, {editor_id : inst.editorId, inline : "yes", action : value});
			}

			return true;

		case "mceTableDelete":
			var table = tinyMCE.getParentElement(inst.getFocusElement(), "table");
			if (table) {
				table.parentNode.removeChild(table);
				inst.repaint();
			}
			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":
			// No table just return (invalid command)
			if (!tableElm)
				return true;

			// Table has a tbody use that reference
			// Changed logic by ApTest 2005.07.12 (www.aptest.com)
			// Now lookk at the focused element and take its parentNode.  That will be a tbody or a table.
			if (tableElm != trElm.parentNode)
				tableElm = trElm.parentNode;

			if (tableElm && trElm) {
				switch (command) {
					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;

						// Create cells
						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");

									newTD.innerHTML = "&nbsp;";
									newTD.colSpan = tdElm.colSpan;

									newTR.appendChild(newTD);
								} else
									tdElm.rowSpan = sd['rowspan'] + 1;

								lastTDElm = tdElm;
							}
						}

						trElm.parentNode.insertBefore(newTR, trElm);
					break;

					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 "mceTableInsertRowAfter":
						if (!trElm || !tdElm)
							return true;

						var grid = getTableGrid(tableElm);
						var cpos = getCellPos(grid, tdElm);
						var newTR = doc.createElement("tr");
						var lastTDElm = null;

						// Create cells
						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");

									newTD.innerHTML = "&nbsp;";
									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);
						}
					break;

					case "mceTableDeleteRow":
						if (!trElm || !tdElm)
							return true;
	
						var grid = getTableGrid(tableElm);
						var cpos = getCellPos(grid, tdElm);

						// Only one row, remove whole table
						if (grid.length == 1) {
							tableElm.parentNode.removeChild(tableElm);
							return true;
						}

						// Move down row spanned cells
						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);
							}
						}

						// Delete cells
						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);

						cpos.rowindex--;
						if (cpos.rowindex < 0)
							cpos.rowindex = 0;

						inst.selectNode(getCell(grid, cpos.rowindex, 0), true, true);
					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("td");

									newTD.innerHTML = "&nbsp;";
									newTD.rowSpan = tdElm.rowSpan;

									tdElm.parentNode.insertBefore(newTD, tdElm);
								} else
									tdElm.colSpan++;

								lastTDElm = tdElm;
							}
						}
					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("td");

									newTD.innerHTML = "&nbsp;";
									newTD.rowSpan = tdElm.rowSpan;

									var nextTD = nextElm(tdElm, "TD");
									if (nextTD == null)
										tdElm.parentNode.appendChild(newTD);
									else
										nextTD.parentNode.insertBefore(newTD, nextTD);
								} else
									tdElm.colSpan++;

								lastTDElm = tdElm;
							}
						}
					break;

					case "mceTableDeleteCol":
						if (!trElm || !tdElm)
							return true;

						var grid = getTableGrid(tableElm);
						var cpos = getCellPos(grid, tdElm);
						var lastTDElm = null;

						// Only one col, remove whole table
						if (grid.length > 1 && grid[0].length <= 1) {
							tableElm.parentNode.removeChild(tableElm);
							return true;
						}

						// Delete cells
						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;
							}
						}

						cpos.cellindex--;
						if (cpos.cellindex < 0)
							cpos.cellindex = 0;

						inst.selectNode(getCell(grid, 0, cpos.cellindex), true, true);
					break;

				case "mceTableSplitCells":
					if (!trElm || !tdElm)
						return true;

					var spandata = getColRowSpan(tdElm);

					var colspan = spandata["colspan"];
					var rowspan = spandata["rowspan"];

					// Needs splitting
					if (colspan > 1 || rowspan > 1) {
						// Generate cols
						tdElm.colSpan = 1;
						for (var i=1; i<colspan; i++) {
							var newTD = doc.createElement("td");

							newTD.innerHTML = "&nbsp;";

							trElm.insertBefore(newTD, nextElm(tdElm, "TD"));

							if (rowspan > 1)
								addRows(newTD, trElm, rowspan);
						}

						addRows(tdElm, trElm, rowspan);
					}

					// Apply visual aids
					tableElm = tinyMCE.getParentElement(inst.getFocusElement(), "table");
					break;

				case "mceTableMergeCells":
					var rows = new Array();
					var sel = inst.getSel();
					var grid = getTableGrid(tableElm);

					if (tinyMCE.isMSIE || sel.rangeCount == 1) {
						if (user_interface) {
							// Setup template
							var template = new Array();
							var sp = getColRowSpan(tdElm);

							template['file'] = '../../plugins/table/merge_cells.htm';
							template['width'] = 250;
							template['height'] = 105;

							// Language specific width and height addons
							template['width'] += tinyMCE.getLang('lang_table_merge_cells_delta_width', 0);
							template['height'] += tinyMCE.getLang('lang_table_merge_cells_delta_height', 0);

							// Open window
							tinyMCE.openWindow(template, {editor_id : inst.editorId, inline : "yes", action : "update", numcols : sp.colspan, numrows : sp.rowspan});

							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;

							// Get rows and cells
							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);

										// Within range
										if (cp.cellindex < cpos.cellindex+numCols && cp.rowindex < cpos.rowindex+numRows)
											rowCells[rowCells.length] = td;
									}
								}

								if (rowCells.length > 0)
									rows[rows.length] = rowCells;
							}

							//return true;
						}
					} else {
						var cells = new Array();
						var sel = inst.getSel();
						var lastTR = null;
						var curRow = null;
						var x1 = -1, y1 = -1, x2, y2;

						// Only one cell selected, whats the point?
						if (sel.rangeCount < 2)
							return true;

						// Get all selected cells
						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;
						}

						// Get rows and cells
						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;
						}

						// Find selected cells in grid and box
						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]) {
										// Get start pos
										if (x1 == -1) {
											x1 = x;
											y1 = y;
										}

										// Get end pos
										x2 = x;
										y2 = y;

										grid[y][x]._selected = true;
									}
								}
							}
						}

						// Is there gaps, if so deny
						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;
								}
							}
						}
					}

					// Validate selection and get total rowspan and colspan
					var rowSpan = 1, colSpan = 1;

					// Validate horizontal and get total colspan
					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;
					}

					// Validate vertical and get total rowspan
					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;
					}

					// Setup td
					tdElm = rows[0][0];
					tdElm.rowSpan = rowSpan;
					tdElm.colSpan = colSpan;

					// Merge cells
					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 = tinyMCE.regexpReplace(html, "[ \t\r\n]", "");

							if (chk != "<br/>" && chk != "<br>" && chk != "&nbsp;" && (x+y > 0))
								tdElm.innerHTML += html;

							// Not current cell
							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;

								// Empty TR, remove it
								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 = tinyMCE.getParentElement(inst.getFocusElement(), "table");
				tinyMCE.handleVisualAid(tableElm, true, tinyMCE.settings['visual'], tinyMCE.selectedInstance);
				tinyMCE.triggerNodeChange();
				inst.repaint();
			}

		return true;
	}

	// Pass to next handler in chain
	return false;
}

function TinyMCE_table_handleNodeChange(editor_id, node, undo_index, undo_levels, visual_aid, any_selection) {
	var colspan = "1", rowspan = "1";

	var inst = tinyMCE.getInstanceById(editor_id);

	// Reset table controls
	tinyMCE.switchClassSticky(editor_id + '_table', 'mceButtonNormal');
	tinyMCE.switchClassSticky(editor_id + '_row_props', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_cell_props', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_row_before', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_row_after', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_delete_row', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_col_before', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_col_after', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_delete_col', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_split_cells', 'mceButtonDisabled', true);
	tinyMCE.switchClassSticky(editor_id + '_merge_cells', 'mceButtonDisabled', true);

	// Within a tr element
	if (tinyMCE.getParentElement(node, "tr"))
		tinyMCE.switchClassSticky(editor_id + '_row_props', 'mceButtonSelected', false);

	// Within a td element
	if (tdElm = tinyMCE.getParentElement(node, "td,th")) {
		tinyMCE.switchClassSticky(editor_id + '_cell_props', 'mceButtonSelected', false);
		tinyMCE.switchClassSticky(editor_id + '_row_before', 'mceButtonNormal', false);
		tinyMCE.switchClassSticky(editor_id + '_row_after', 'mceButtonNormal', false);
		tinyMCE.switchClassSticky(editor_id + '_delete_row', 'mceButtonNormal', false);
		tinyMCE.switchClassSticky(editor_id + '_col_before', 'mceButtonNormal', false);
		tinyMCE.switchClassSticky(editor_id + '_col_after', 'mceButtonNormal', false);
		tinyMCE.switchClassSticky(editor_id + '_delete_col', 'mceButtonNormal', false);

		colspan = tinyMCE.getAttrib(tdElm, "colspan");
		rowspan = tinyMCE.getAttrib(tdElm, "rowspan");

		colspan = colspan == "" ? "1" : colspan;
		rowspan = rowspan == "" ? "1" : rowspan;

		if (colspan != "1" || rowspan != "1")
			tinyMCE.switchClassSticky(editor_id + '_split_cells', 'mceButtonNormal', false);
	}

	// Within table
	if (tinyMCE.getParentElement(node, "table")) {
		tinyMCE.switchClassSticky(editor_id + '_table', 'mceButtonSelected');
		tinyMCE.switchClassSticky(editor_id + '_merge_cells', 'mceButtonNormal', false);
	}
}