/**

 * $Id: editor_plugin_src.js 1209 2009-08-20 12:35:10Z spocke $

 *

 * @author Moxiecode

 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.

 */

(function() {

	var each = tinymce.each;

	// Checks if the selection/caret is at the start of the specified block element

	function isAtStart(rng, par) {

		var doc = par.ownerDocument, rng2 = doc.createRange(), elm;

		rng2.setStartBefore(par);

		rng2.setEnd(rng.endContainer, rng.endOffset);

		elm = doc.createElement('body');

		elm.appendChild(rng2.cloneContents());

		// Check for text characters of other elements that should be treated as content

		return elm.innerHTML.replace(/<(br|img|object|embed|input|textarea)[^>]*>/gi, '-').replace(/<[^>]+>/g, '').length == 0;

	};

	tinymce.create('tinymce.plugins.TablePlugin', {

		init : function(ed, url) {

			var t = this;

			t.editor = ed;

			t.url = url;

			// Register buttons

			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]});

			});

			if (ed.getParam('inline_styles')) {

				// Force move of attribs to styles in strict mode

				ed.onPreProcess.add(function(ed, o) {

					var dom = ed.dom;

					each(dom.select('table', o.node), function(n) {

						var v;

						if (v = dom.getAttrib(n, 'width')) {

							dom.setStyle(n, 'width', v);

							dom.setAttrib(n, 'width');

						}

						if (v = dom.getAttrib(n, 'height')) {

							dom.setStyle(n, 'height', v);

							dom.setAttrib(n, 'height');

						}

					});

				});

			}

			ed.onInit.add(function() {

				// Fixes an issue on Gecko where it's impossible to place the caret behind a table

				// This fix will force a paragraph element after the table but only when the forced_root_block setting is enabled

				if (!tinymce.isIE && ed.getParam('forced_root_block')) {

					function fixTableCaretPos() {

						var last = ed.getBody().lastChild;

						if (last && last.nodeName == 'TABLE')

							ed.dom.add(ed.getBody(), 'p', null, '<br mce_bogus="1" />');

					};

					// Fixes an bug where it's impossible to place the caret before a table in Gecko

					// this fix solves it by detecting when the caret is at the beginning of such a table

					// and then manually moves the caret infront of the table

					if (tinymce.isGecko) {

						ed.onKeyDown.add(function(ed, e) {

							var rng, table, dom = ed.dom;

							// On gecko it's not possible to place the caret before a table

							if (e.keyCode == 37 || e.keyCode == 38) {

								rng = ed.selection.getRng();

								table = dom.getParent(rng.startContainer, 'table');

								if (table && ed.getBody().firstChild == table) {

									if (isAtStart(rng, table)) {

										rng = dom.createRng();

										rng.setStartBefore(table);

										rng.setEndBefore(table);

										ed.selection.setRng(rng);

										e.preventDefault();

									}

								}

							}

						});

					}

					ed.onKeyUp.add(fixTableCaretPos);

					ed.onSetContent.add(fixTableCaretPos);

					ed.onVisualAid.add(fixTableCaretPos);

					ed.onPreProcess.add(function(ed, o) {

						var last = o.node.lastChild;

						if (last && last.childNodes.length == 1 && last.firstChild.nodeName == 'BR')

							ed.dom.remove(last);

					});

					fixTableCaretPos();

				}

				if (ed && ed.plugins.contextmenu) {

					ed.plugins.contextmenu.onContextMenu.add(function(th, m, e) {

						var sm, se = ed.selection, el = se.getNode() || ed.getBody();

						if (ed.dom.getParent(e, 'td') || ed.dom.getParent(e, 'th')) {

							m.removeAll();

							if (el.nodeName == 'A' && !ed.dom.getAttrib(el, 'name')) {

								m.add({title : 'advanced.link_desc', icon : 'link', cmd : ed.plugins.advlink ? 'mceAdvLink' : 'mceLink', ui : true});

								m.add({title : 'advanced.unlink_desc', icon : 'unlink', cmd : 'UnLink'});

								m.addSeparator();

							}

							if (el.nodeName == 'IMG' && el.className.indexOf('mceItem') == -1) {

								m.add({title : 'advanced.image_desc', icon : 'image', cmd : ed.plugins.advimage ? 'mceAdvImage' : 'mceImage', ui : true});

								m.addSeparator();

							}

							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();

							// Cell menu

							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});

							// Row menu

							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'});

							// Column menu

							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});

					});

				}

			});

			// Add undo level when new rows are created using the tab key

			ed.onKeyDown.add(function(ed, e) {

				if (e.keyCode == 9 && ed.dom.getParent(ed.selection.getNode(), 'TABLE')) {

					if (!tinymce.isGecko && !tinymce.isOpera) {

						tinyMCE.execInstanceCommand(ed.editorId, "mceTableMoveToNextRow", true);

						return tinymce.dom.Event.cancel(e);

					}

					ed.undoManager.add();

				}

			});

			// Select whole table is a table border is clicked

			if (!tinymce.isIE) {

				if (ed.getParam('table_selection', true)) {

					ed.onClick.add(function(ed, e) {

						e = e.target;

						if (e.nodeName === 'TABLE')

							ed.selection.select(e);

					});

				}

			}

			ed.onNodeChange.add(function(ed, cm, n) {

				var p = ed.dom.getParent(n, 'td,th,caption');

				cm.setActive('table', n.nodeName === '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);

			});

			// Padd empty table cells

			if (!tinymce.isIE) {

				ed.onBeforeSetContent.add(function(ed, o) {

					if (o.initial)

						o.content = o.content.replace(/<(td|th)([^>]+|)>\s*<\/(td|th)>/g, tinymce.isOpera ? '<$1$2>&nbsp;</$1>' : '<$1$2><br mce_bogus="1" /></$1>');

				});

			}

		},

		execCommand : function(cmd, ui, val) {

			var ed = this.editor, b;

			// Is table command

			switch (cmd) {

				case "mceTableMoveToNextRow":

				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;

			}

			// Pass to next handler in chain

			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

			};

		},

		// Private plugin internal methods

		/**

		 * Executes the table commands.

		 */

		_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") : "";

			// Get first TD if no TD found

			if (trElm && tdElm == null)

				tdElm = trElm.cells[0];

			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 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);

				// Recalculate grid and select

				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 getNextCell(table, cell) {

				var cells = [], x = 0, i, j, cell, nextCell;

				for (i = 0; i < table.rows.length; i++)

					for (j = 0; j < table.rows[i].cells.length; j++, x++)

						cells[x] = table.rows[i].cells[j];

				for (i = 0; i < cells.length; i++)

					if (cells[i] == cell)

						if (nextCell = cells[i+1])

							return nextCell;

			}

			function getTableGrid(table) {

				var grid = [], 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);

						// All ready filled

						for (xstart = x; grid[y] && grid[y][xstart]; xstart++) ;

						// Fill box

						for (y2=y; y2<y+sd['rowspan']; y2++) {

							if (!grid[y2])

								grid[y2] = [];

							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;

				// Time to crop away some

				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);

						// 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");

					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]);