Subversion-Projekte lars-tiefland.content-management

/**
 * editor_plugin_src.js
 *
 * Copyright 2009, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://tinymce.moxiecode.com/license
 * Contributing: http://tinymce.moxiecode.com/contributing
 */

(function(tinymce) {
        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;
        };

        function getSpanVal(td, name) {
                return parseInt(td.getAttribute(name) || 1);
        }

        /**
         * Table Grid class.
         */
        function TableGrid(table, dom, selection) {
                var grid, startPos, endPos, selectedCell;

                buildGrid();
                selectedCell = dom.getParent(selection.getStart(), 'th,td');
                if (selectedCell) {
                        startPos = getPos(selectedCell);
                        endPos = findEndPos();
                        selectedCell = getCell(startPos.x, startPos.y);
                }

                function cloneNode(node, children) {
                        node = node.cloneNode(children);
                        node.removeAttribute('id');

                        return node;
                }

                function buildGrid() {
                        var startY = 0;

                        grid = [];

                        each(['thead', 'tbody', 'tfoot'], function(part) {
                                var rows = dom.select('> ' + part + ' tr', table);

                                each(rows, function(tr, y) {
                                        y += startY;

                                        each(dom.select('> td, > th', tr), function(td, x) {
                                                var x2, y2, rowspan, colspan;

                                                // Skip over existing cells produced by rowspan
                                                if (grid[y]) {
                                                        while (grid[y][x])
                                                                x++;
                                                }

                                                // Get col/rowspan from cell
                                                rowspan = getSpanVal(td, 'rowspan');
                                                colspan = getSpanVal(td, 'colspan');

                                                // Fill out rowspan/colspan right and down
                                                for (y2 = y; y2 < y + rowspan; y2++) {
                                                        if (!grid[y2])
                                                                grid[y2] = [];

                                                        for (x2 = x; x2 < x + colspan; x2++) {
                                                                grid[y2][x2] = {
                                                                        part : part,
                                                                        real : y2 == y && x2 == x,
                                                                        elm : td,
                                                                        rowspan : rowspan,
                                                                        colspan : colspan
                                                                };
                                                        }
                                                }
                                        });
                                });

                                startY += rows.length;
                        });
                };

                function getCell(x, y) {
                        var row;

                        row = grid[y];
                        if (row)
                                return row[x];
                };

                function setSpanVal(td, name, val) {
                        if (td) {
                                val = parseInt(val);

                                if (val === 1)
                                        td.removeAttribute(name, 1);
                                else
                                        td.setAttribute(name, val, 1);
                        }
                }

                function isCellSelected(cell) {
                        return cell && (dom.hasClass(cell.elm, 'mceSelected') || cell == selectedCell);
                };

                function getSelectedRows() {
                        var rows = [];

                        each(table.rows, function(row) {
                                each(row.cells, function(cell) {
                                        if (dom.hasClass(cell, 'mceSelected') || cell == selectedCell.elm) {
                                                rows.push(row);
                                                return false;
                                        }
                                });
                        });

                        return rows;
                };

                function deleteTable() {
                        var rng = dom.createRng();

                        rng.setStartAfter(table);
                        rng.setEndAfter(table);

                        selection.setRng(rng);

                        dom.remove(table);
                };

                function cloneCell(cell) {
                        var formatNode;

                        // Clone formats
                        tinymce.walk(cell, function(node) {
                                var curNode;

                                if (node.nodeType == 3) {
                                        each(dom.getParents(node.parentNode, null, cell).reverse(), function(node) {
                                                node = cloneNode(node, false);

                                                if (!formatNode)
                                                        formatNode = curNode = node;
                                                else if (curNode)
                                                        curNode.appendChild(node);

                                                curNode = node;
                                        });

                                        // Add something to the inner node
                                        if (curNode)
                                                curNode.innerHTML = tinymce.isIE ? '&nbsp;' : '<br data-mce-bogus="1" />';

                                        return false;
                                }
                        }, 'childNodes');

                        cell = cloneNode(cell, false);
                        setSpanVal(cell, 'rowSpan', 1);
                        setSpanVal(cell, 'colSpan', 1);

                        if (formatNode) {
                                cell.appendChild(formatNode);
                        } else {
                                if (!tinymce.isIE)
                                        cell.innerHTML = '<br data-mce-bogus="1" />';
                        }

                        return cell;
                };

                function cleanup() {
                        var rng = dom.createRng();

                        // Empty rows
                        each(dom.select('tr', table), function(tr) {
                                if (tr.cells.length == 0)
                                        dom.remove(tr);
                        });

                        // Empty table
                        if (dom.select('tr', table).length == 0) {
                                rng.setStartAfter(table);
                                rng.setEndAfter(table);
                                selection.setRng(rng);
                                dom.remove(table);
                                return;
                        }

                        // Empty header/body/footer
                        each(dom.select('thead,tbody,tfoot', table), function(part) {
                                if (part.rows.length == 0)
                                        dom.remove(part);
                        });

                        // Restore selection to start position if it still exists
                        buildGrid();

                        // Restore the selection to the closest table position
                        row = grid[Math.min(grid.length - 1, startPos.y)];
                        if (row) {
                                selection.select(row[Math.min(row.length - 1, startPos.x)].elm, true);
                                selection.collapse(true);
                        }
                };

                function fillLeftDown(x, y, rows, cols) {
                        var tr, x2, r, c, cell;

                        tr = grid[y][x].elm.parentNode;
                        for (r = 1; r <= rows; r++) {
                                tr = dom.getNext(tr, 'tr');

                                if (tr) {
                                        // Loop left to find real cell
                                        for (x2 = x; x2 >= 0; x2--) {
                                                cell = grid[y + r][x2].elm;

                                                if (cell.parentNode == tr) {
                                                        // Append clones after
                                                        for (c = 1; c <= cols; c++)
                                                                dom.insertAfter(cloneCell(cell), cell);

                                                        break;
                                                }
                                        }

                                        if (x2 == -1) {
                                                // Insert nodes before first cell
                                                for (c = 1; c <= cols; c++)
                                                        tr.insertBefore(cloneCell(tr.cells[0]), tr.cells[0]);
                                        }
                                }
                        }
                };

                function split() {
                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        var colSpan, rowSpan, newCell, i;

                                        if (isCellSelected(cell)) {
                                                cell = cell.elm;
                                                colSpan = getSpanVal(cell, 'colspan');
                                                rowSpan = getSpanVal(cell, 'rowspan');

                                                if (colSpan > 1 || rowSpan > 1) {
                                                        setSpanVal(cell, 'rowSpan', 1);
                                                        setSpanVal(cell, 'colSpan', 1);

                                                        // Insert cells right
                                                        for (i = 0; i < colSpan - 1; i++)
                                                                dom.insertAfter(cloneCell(cell), cell);

                                                        fillLeftDown(x, y, rowSpan - 1, colSpan);
                                                }
                                        }
                                });
                        });
                };

                function merge(cell, cols, rows) {
                        var startX, startY, endX, endY, x, y, startCell, endCell, cell, children, count;

                        // Use specified cell and cols/rows
                        if (cell) {
                                pos = getPos(cell);
                                startX = pos.x;
                                startY = pos.y;
                                endX = startX + (cols - 1);
                                endY = startY + (rows - 1);
                        } else {
                                // Use selection
                                startX = startPos.x;
                                startY = startPos.y;
                                endX = endPos.x;
                                endY = endPos.y;
                        }

                        // Find start/end cells
                        startCell = getCell(startX, startY);
                        endCell = getCell(endX, endY);

                        // Check if the cells exists and if they are of the same part for example tbody = tbody
                        if (startCell && endCell && startCell.part == endCell.part) {
                                // Split and rebuild grid
                                split();
                                buildGrid();

                                // Set row/col span to start cell
                                startCell = getCell(startX, startY).elm;
                                setSpanVal(startCell, 'colSpan', (endX - startX) + 1);
                                setSpanVal(startCell, 'rowSpan', (endY - startY) + 1);

                                // Remove other cells and add it's contents to the start cell
                                for (y = startY; y <= endY; y++) {
                                        for (x = startX; x <= endX; x++) {
                                                if (!grid[y] || !grid[y][x])
                                                        continue;

                                                cell = grid[y][x].elm;

                                                if (cell != startCell) {
                                                        // Move children to startCell
                                                        children = tinymce.grep(cell.childNodes);
                                                        each(children, function(node) {
                                                                startCell.appendChild(node);
                                                        });

                                                        // Remove bogus nodes if there is children in the target cell
                                                        if (children.length) {
                                                                children = tinymce.grep(startCell.childNodes);
                                                                count = 0;
                                                                each(children, function(node) {
                                                                        if (node.nodeName == 'BR' && dom.getAttrib(node, 'data-mce-bogus') && count++ < children.length - 1)
                                                                                startCell.removeChild(node);
                                                                });
                                                        }
                                                        
                                                        // Remove cell
                                                        dom.remove(cell);
                                                }
                                        }
                                }

                                // Remove empty rows etc and restore caret location
                                cleanup();
                        }
                };

                function insertRow(before) {
                        var posY, cell, lastCell, x, rowElm, newRow, newCell, otherCell, rowSpan;

                        // Find first/last row
                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        if (isCellSelected(cell)) {
                                                cell = cell.elm;
                                                rowElm = cell.parentNode;
                                                newRow = cloneNode(rowElm, false);
                                                posY = y;

                                                if (before)
                                                        return false;
                                        }
                                });

                                if (before)
                                        return !posY;
                        });

                        for (x = 0; x < grid[0].length; x++) {
                                // Cell not found could be because of an invalid table structure
                                if (!grid[posY][x])
                                        continue;

                                cell = grid[posY][x].elm;

                                if (cell != lastCell) {
                                        if (!before) {
                                                rowSpan = getSpanVal(cell, 'rowspan');
                                                if (rowSpan > 1) {
                                                        setSpanVal(cell, 'rowSpan', rowSpan + 1);
                                                        continue;
                                                }
                                        } else {
                                                // Check if cell above can be expanded
                                                if (posY > 0 && grid[posY - 1][x]) {
                                                        otherCell = grid[posY - 1][x].elm;
                                                        rowSpan = getSpanVal(otherCell, 'rowSpan');
                                                        if (rowSpan > 1) {
                                                                setSpanVal(otherCell, 'rowSpan', rowSpan + 1);
                                                                continue;
                                                        }
                                                }
                                        }

                                        // Insert new cell into new row
                                        newCell = cloneCell(cell);
                                        setSpanVal(newCell, 'colSpan', cell.colSpan);

                                        newRow.appendChild(newCell);

                                        lastCell = cell;
                                }
                        }

                        if (newRow.hasChildNodes()) {
                                if (!before)
                                        dom.insertAfter(newRow, rowElm);
                                else
                                        rowElm.parentNode.insertBefore(newRow, rowElm);
                        }
                };

                function insertCol(before) {
                        var posX, lastCell;

                        // Find first/last column
                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        if (isCellSelected(cell)) {
                                                posX = x;

                                                if (before)
                                                        return false;
                                        }
                                });

                                if (before)
                                        return !posX;
                        });

                        each(grid, function(row, y) {
                                var cell, rowSpan, colSpan;

                                if (!row[posX])
                                        return;

                                cell = row[posX].elm;
                                if (cell != lastCell) {
                                        colSpan = getSpanVal(cell, 'colspan');
                                        rowSpan = getSpanVal(cell, 'rowspan');

                                        if (colSpan == 1) {
                                                if (!before) {
                                                        dom.insertAfter(cloneCell(cell), cell);
                                                        fillLeftDown(posX, y, rowSpan - 1, colSpan);
                                                } else {
                                                        cell.parentNode.insertBefore(cloneCell(cell), cell);
                                                        fillLeftDown(posX, y, rowSpan - 1, colSpan);
                                                }
                                        } else
                                                setSpanVal(cell, 'colSpan', cell.colSpan + 1);

                                        lastCell = cell;
                                }
                        });
                };

                function deleteCols() {
                        var cols = [];

                        // Get selected column indexes
                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        if (isCellSelected(cell) && tinymce.inArray(cols, x) === -1) {
                                                each(grid, function(row) {
                                                        var cell = row[x].elm, colSpan;

                                                        colSpan = getSpanVal(cell, 'colSpan');

                                                        if (colSpan > 1)
                                                                setSpanVal(cell, 'colSpan', colSpan - 1);
                                                        else
                                                                dom.remove(cell);
                                                });

                                                cols.push(x);
                                        }
                                });
                        });

                        cleanup();
                };

                function deleteRows() {
                        var rows;

                        function deleteRow(tr) {
                                var nextTr, pos, lastCell;

                                nextTr = dom.getNext(tr, 'tr');

                                // Move down row spanned cells
                                each(tr.cells, function(cell) {
                                        var rowSpan = getSpanVal(cell, 'rowSpan');

                                        if (rowSpan > 1) {
                                                setSpanVal(cell, 'rowSpan', rowSpan - 1);
                                                pos = getPos(cell);
                                                fillLeftDown(pos.x, pos.y, 1, 1);
                                        }
                                });

                                // Delete cells
                                pos = getPos(tr.cells[0]);
                                each(grid[pos.y], function(cell) {
                                        var rowSpan;

                                        cell = cell.elm;

                                        if (cell != lastCell) {
                                                rowSpan = getSpanVal(cell, 'rowSpan');

                                                if (rowSpan <= 1)
                                                        dom.remove(cell);
                                                else
                                                        setSpanVal(cell, 'rowSpan', rowSpan - 1);

                                                lastCell = cell;
                                        }
                                });
                        };

                        // Get selected rows and move selection out of scope
                        rows = getSelectedRows();

                        // Delete all selected rows
                        each(rows.reverse(), function(tr) {
                                deleteRow(tr);
                        });

                        cleanup();
                };

                function cutRows() {
                        var rows = getSelectedRows();

                        dom.remove(rows);
                        cleanup();

                        return rows;
                };

                function copyRows() {
                        var rows = getSelectedRows();

                        each(rows, function(row, i) {
                                rows[i] = cloneNode(row, true);
                        });

                        return rows;
                };

                function pasteRows(rows, before) {
                        var selectedRows = getSelectedRows(),
                                targetRow = selectedRows[before ? 0 : selectedRows.length - 1],
                                targetCellCount = targetRow.cells.length;

                        // Calc target cell count
                        each(grid, function(row) {
                                var match;

                                targetCellCount = 0;
                                each(row, function(cell, x) {
                                        if (cell.real)
                                                targetCellCount += cell.colspan;

                                        if (cell.elm.parentNode == targetRow)
                                                match = 1;
                                });

                                if (match)
                                        return false;
                        });

                        if (!before)
                                rows.reverse();

                        each(rows, function(row) {
                                var cellCount = row.cells.length, cell;

                                // Remove col/rowspans
                                for (i = 0; i < cellCount; i++) {
                                        cell = row.cells[i];
                                        setSpanVal(cell, 'colSpan', 1);
                                        setSpanVal(cell, 'rowSpan', 1);
                                }

                                // Needs more cells
                                for (i = cellCount; i < targetCellCount; i++)
                                        row.appendChild(cloneCell(row.cells[cellCount - 1]));

                                // Needs less cells
                                for (i = targetCellCount; i < cellCount; i++)
                                        dom.remove(row.cells[i]);

                                // Add before/after
                                if (before)
                                        targetRow.parentNode.insertBefore(row, targetRow);
                                else
                                        dom.insertAfter(row, targetRow);
                        });
                };

                function getPos(target) {
                        var pos;

                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        if (cell.elm == target) {
                                                pos = {x : x, y : y};
                                                return false;
                                        }
                                });

                                return !pos;
                        });

                        return pos;
                };

                function setStartCell(cell) {
                        startPos = getPos(cell);
                };

                function findEndPos() {
                        var pos, maxX, maxY;

                        maxX = maxY = 0;

                        each(grid, function(row, y) {
                                each(row, function(cell, x) {
                                        var colSpan, rowSpan;

                                        if (isCellSelected(cell)) {
                                                cell = grid[y][x];

                                                if (x > maxX)
                                                        maxX = x;

                                                if (y > maxY)
                                                        maxY = y;

                                                if (cell.real) {
                                                        colSpan = cell.colspan - 1;
                                                        rowSpan = cell.rowspan - 1;

                                                        if (colSpan) {
                                                                if (x + colSpan > maxX)
                                                                        maxX = x + colSpan;
                                                        }

                                                        if (rowSpan) {
                                                                if (y + rowSpan > maxY)
                                                                        maxY = y + rowSpan;
                                                        }
                                                }
                                        }
                                });
                        });

                        return {x : maxX, y : maxY};
                };

                function setEndCell(cell) {
                        var startX, startY, endX, endY, maxX, maxY, colSpan, rowSpan;

                        endPos = getPos(cell);

                        if (startPos && endPos) {
                                // Get start/end positions
                                startX = Math.min(startPos.x, endPos.x);
                                startY = Math.min(startPos.y, endPos.y);
                                endX = Math.max(startPos.x, endPos.x);
                                endY = Math.max(startPos.y, endPos.y);

                                // Expand end positon to include spans
                                maxX = endX;
                                maxY = endY;

                                // Expand startX
                                for (y = startY; y <= maxY; y++) {
                                        cell = grid[y][startX];

                                        if (!cell.real) {
                                                if (startX - (cell.colspan - 1) < startX)
                                                        startX -= cell.colspan - 1;
                                        }
                                }

                                // Expand startY
                                for (x = startX; x <= maxX; x++) {
                                        cell = grid[startY][x];

                                        if (!cell.real) {
                                                if (startY - (cell.rowspan - 1) < startY)
                                                        startY -= cell.rowspan - 1;
                                        }
                                }

                                // Find max X, Y
                                for (y = startY; y <= endY; y++) {
                                        for (x = startX; x <= endX; x++) {
                                                cell = grid[y][x];

                                                if (cell.real) {
                                                        colSpan = cell.colspan - 1;
                                                        rowSpan = cell.rowspan - 1;

                                                        if (colSpan) {
                                                                if (x + colSpan > maxX)
                                                                        maxX = x + colSpan;
                                                        }

                                                        if (rowSpan) {
                                                                if (y + rowSpan > maxY)
                                                                        maxY = y + rowSpan;
                                                        }
                                                }
                                        }
                                }

                                // Remove current selection
                                dom.removeClass(dom.select('td.mceSelected,th.mceSelected'), 'mceSelected');

                                // Add new selection
                                for (y = startY; y <= maxY; y++) {
                                        for (x = startX; x <= maxX; x++) {
                                                if (grid[y][x])
                                                        dom.addClass(grid[y][x].elm, 'mceSelected');
                                        }
                                }
                        }
                };

                // Expose to public
                tinymce.extend(this, {
                        deleteTable : deleteTable,
                        split : split,
                        merge : merge,
                        insertRow : insertRow,
                        insertCol : insertCol,
                        deleteCols : deleteCols,
                        deleteRows : deleteRows,
                        cutRows : cutRows,
                        copyRows : copyRows,
                        pasteRows : pasteRows,
                        getPos : getPos,
                        setStartCell : setStartCell,
                        setEndCell : setEndCell
                });
        };

        tinymce.create('tinymce.plugins.TablePlugin', {
                init : function(ed, url) {
                        var winMan, clipboardRows, hasCellSelection = true; // Might be selected cells on reload

                        function createTableGrid(node) {
                                var selection = ed.selection, tblElm = ed.dom.getParent(node || selection.getNode(), 'table');

                                if (tblElm)
                                        return new TableGrid(tblElm, ed.dom, selection);
                        };

                        function cleanup() {
                                // Restore selection possibilities
                                ed.getBody().style.webkitUserSelect = '';

                                if (hasCellSelection) {
                                        ed.dom.removeClass(ed.dom.select('td.mceSelected,th.mceSelected'), 'mceSelected');
                                        hasCellSelection = false;
                                }
                        };

                        // 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]});
                        });

                        // Select whole table is a table border is clicked
                        if (!tinymce.isIE) {
                                ed.onClick.add(function(ed, e) {
                                        e = e.target;

                                        if (e.nodeName === 'TABLE') {
                                                ed.selection.select(e);
                                                ed.nodeChanged();
                                        }
                                });
                        }

                        ed.onPreProcess.add(function(ed, args) {
                                var nodes, i, node, dom = ed.dom, value;

                                nodes = dom.select('table', args.node);
                                i = nodes.length;
                                while (i--) {
                                        node = nodes[i];
                                        dom.setAttrib(node, 'data-mce-style', '');

                                        if ((value = dom.getAttrib(node, 'width'))) {
                                                dom.setStyle(node, 'width', value);
                                                dom.setAttrib(node, 'width', '');
                                        }

                                        if ((value = dom.getAttrib(node, 'height'))) {
                                                dom.setStyle(node, 'height', value);
                                                dom.setAttrib(node, 'height', '');
                                        }
                                }
                        });

                        // Handle node change updates
                        ed.onNodeChange.add(function(ed, cm, n) {
                                var p;

                                n = ed.selection.getStart();
                                p = ed.dom.getParent(n, 'td,th,caption');
                                cm.setActive('table', n.nodeName === 'TABLE' || !!p);

                                // Disable table tools if we are in caption
                                if (p && p.nodeName === 'CAPTION')
                                        p = 0;

                                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);
                                cm.setDisabled('merge_cells', !p);
                        });

                        ed.onInit.add(function(ed) {
                                var startTable, startCell, dom = ed.dom, tableGrid;

                                winMan = ed.windowManager;

                                // Add cell selection logic
                                ed.onMouseDown.add(function(ed, e) {
                                        if (e.button != 2) {
                                                cleanup();

                                                startCell = dom.getParent(e.target, 'td,th');
                                                startTable = dom.getParent(startCell, 'table');
                                        }
                                });

                                dom.bind(ed.getDoc(), 'mouseover', function(e) {
                                        var sel, table, target = e.target;

                                        if (startCell && (tableGrid || target != startCell) && (target.nodeName == 'TD' || target.nodeName == 'TH')) {
                                                table = dom.getParent(target, 'table');
                                                if (table == startTable) {
                                                        if (!tableGrid) {
                                                                tableGrid = createTableGrid(table);
                                                                tableGrid.setStartCell(startCell);

                                                                ed.getBody().style.webkitUserSelect = 'none';
                                                        }

                                                        tableGrid.setEndCell(target);
                                                        hasCellSelection = true;
                                                }

                                                // Remove current selection
                                                sel = ed.selection.getSel();

                                                try {
                                                        if (sel.removeAllRanges)
                                                                sel.removeAllRanges();
                                                        else
                                                                sel.empty();
                                                } catch (ex) {
                                                        // IE9 might throw errors here
                                                }

                                                e.preventDefault();
                                        }
                                });

                                ed.onMouseUp.add(function(ed, e) {
                                        var rng, sel = ed.selection, selectedCells, nativeSel = sel.getSel(), walker, node, lastNode, endNode;

                                        // Move selection to startCell
                                        if (startCell) {
                                                if (tableGrid)
                                                        ed.getBody().style.webkitUserSelect = '';

                                                function setPoint(node, start) {
                                                        var walker = new tinymce.dom.TreeWalker(node, node);

                                                        do {
                                                                // Text node
                                                                if (node.nodeType == 3 && tinymce.trim(node.nodeValue).length != 0) {
                                                                        if (start)
                                                                                rng.setStart(node, 0);
                                                                        else
                                                                                rng.setEnd(node, node.nodeValue.length);

                                                                        return;
                                                                }

                                                                // BR element
                                                                if (node.nodeName == 'BR') {
                                                                        if (start)
                                                                                rng.setStartBefore(node);
                                                                        else
                                                                                rng.setEndBefore(node);

                                                                        return;
                                                                }
                                                        } while (node = (start ? walker.next() : walker.prev()));
                                                }

                                                // Try to expand text selection as much as we can only Gecko supports cell selection
                                                selectedCells = dom.select('td.mceSelected,th.mceSelected');
                                                if (selectedCells.length > 0) {
                                                        rng = dom.createRng();
                                                        node = selectedCells[0];
                                                        endNode = selectedCells[selectedCells.length - 1];
                                                        rng.setStartBefore(node);
                                                        rng.setEndAfter(node);

                                                        setPoint(node, 1);
                                                        walker = new tinymce.dom.TreeWalker(node, dom.getParent(selectedCells[0], 'table'));

                                                        do {
                                                                if (node.nodeName == 'TD' || node.nodeName == 'TH') {
                                                                        if (!dom.hasClass(node, 'mceSelected'))
                                                                                break;

                                                                        lastNode = node;
                                                                }
                                                        } while (node = walker.next());

                                                        setPoint(lastNode);

                                                        sel.setRng(rng);
                                                }

                                                ed.nodeChanged();
                                                startCell = tableGrid = startTable = null;
                                        }
                                });

                                ed.onKeyUp.add(function(ed, e) {
                                        cleanup();
                                });

                                ed.onKeyDown.add(function (ed, e) {
                                        fixTableCellSelection(ed);
                                });

                                ed.onMouseDown.add(function (ed, e) {
                                        if (e.button != 2) {
                                                fixTableCellSelection(ed);
                                        }
                                });
                                function tableCellSelected(ed, rng, n, currentCell) {
                                        // The decision of when a table cell is selected is somewhat involved.  The fact that this code is
                                        // required is actually a pointer to the root cause of this bug. A cell is selected when the start 
                                        // and end offsets are 0, the start container is a text, and the selection node is either a TR (most cases)
                                        // or the parent of the table (in the case of the selection containing the last cell of a table).
                                        var TEXT_NODE = 3, table = ed.dom.getParent(rng.startContainer, 'TABLE'), 
                                        tableParent, allOfCellSelected, tableCellSelection;
                                        if (table) 
                                        tableParent = table.parentNode;
                                        allOfCellSelected =rng.startContainer.nodeType == TEXT_NODE && 
                                                rng.startOffset == 0 && 
                                                rng.endOffset == 0 && 
                                                currentCell && 
                                                (n.nodeName=="TR" || n==tableParent);
                                        tableCellSelection = (n.nodeName=="TD"||n.nodeName=="TH")&& !currentCell;       
                                        return  allOfCellSelected || tableCellSelection;
                                        // return false;
                                }
                                
                                // this nasty hack is here to work around some WebKit selection bugs.
                                function fixTableCellSelection(ed) {
                                        if (!tinymce.isWebKit)
                                                return;

                                        var rng = ed.selection.getRng();
                                        var n = ed.selection.getNode();
                                        var currentCell = ed.dom.getParent(rng.startContainer, 'TD');
                                
                                        if (!tableCellSelected(ed, rng, n, currentCell))
                                                return;
                                                if (!currentCell) {
                                                        currentCell=n;
                                                }
                                        
                                        // Get the very last node inside the table cell
                                        var end = currentCell.lastChild;
                                        while (end.lastChild)
                                                end = end.lastChild;
                    
                                        // Select the entire table cell. Nothing outside of the table cell should be selected.
                                        rng.setEnd(end, end.nodeValue.length);
                                        ed.selection.setRng(rng);
                                }
                                ed.plugins.table.fixTableCellSelection=fixTableCellSelection;

                                // Add context menu
                                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') || ed.dom.select('td.mceSelected,th.mceSelected').length) {
                                                        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', value : {action : 'insert'}});
                                                        m.add({title : 'table.props_desc', icon : 'table_props', cmd : 'mceInsertTable'});
                                                        m.add({title : 'table.del', icon : 'delete_table', cmd : 'mceTableDelete'});
                                                        m.addSeparator();

                                                        // Cell menu
                                                        sm = m.addMenu({title : 'table.cell'});
                                                        sm.add({title : 'table.cell_desc', icon : 'cell_props', cmd : 'mceTableCellProps'});
                                                        sm.add({title : 'table.split_cells_desc', icon : 'split_cells', cmd : 'mceTableSplitCells'});
                                                        sm.add({title : 'table.merge_cells_desc', icon : 'merge_cells', cmd : 'mceTableMergeCells'});

                                                        // Row menu
                                                        sm = m.addMenu({title : 'table.row'});
                                                        sm.add({title : 'table.row_desc', icon : 'row_props', cmd : 'mceTableRowProps'});
                                                        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'}).setDisabled(!clipboardRows);
                                                        sm.add({title : 'table.paste_row_after_desc', icon : 'paste', cmd : 'mceTablePasteRowAfter'}).setDisabled(!clipboardRows);

                                                        // 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'});
                                        });
                                }

                                // Fix to allow navigating up and down in a table in WebKit browsers.
                                if (tinymce.isWebKit) {
                                        function moveSelection(ed, e) {

                                                function moveCursorToStartOfElement(n) {
                                                        ed.selection.setCursorLocation(n, 0);
                                                }

                                                function getSibling(event, element) {
                                                        return event.keyCode == UP_ARROW ? element.previousSibling : element.nextSibling;
                                                }

                                                function getNextRow(e, row) {
                                                        var sibling = getSibling(e, row);
                                                        return sibling !== null && sibling.tagName === 'TR' ? sibling : null;
                                                }

                                                function getTable(ed, currentRow) {
                                                        return ed.dom.getParent(currentRow, 'table');
                                                }

                                                function getTableSibling(currentRow) {
                                                        var table = getTable(ed, currentRow);
                                                        return getSibling(e, table);
                                                }

                                                function isVerticalMovement(event) {
                                                        return event.keyCode == UP_ARROW || event.keyCode == DOWN_ARROW;
                                                }

                                                function isInTable(ed) {
                                                        var node = ed.selection.getNode();
                                                        var currentRow = ed.dom.getParent(node, 'tr');
                                                        return currentRow !== null;
                                                }

                                                function columnIndex(column) {
                                                        var colIndex = 0;
                                                        var c = column;
                                                        while (c.previousSibling) {
                                                                c = c.previousSibling;
                                                                colIndex = colIndex + getSpanVal(c, "colspan");
                                                        }
                                                        return colIndex;
                                                }

                                                function findColumn(rowElement, columnIndex) {
                                                        var c = 0;
                                                        var r = 0;
                                                        each(rowElement.children, function(cell, i) {
                                                                c = c + getSpanVal(cell, "colspan");
                                                                r = i;
                                                                if (c > columnIndex)
                                                                        return false;
                                                        });
                                                        return r;
                                                }

                                                function moveCursorToRow(ed, node, row) {
                                                        var srcColumnIndex = columnIndex(ed.dom.getParent(node, 'td,th'));
                                                        var tgtColumnIndex = findColumn(row, srcColumnIndex)
                                                        var tgtNode = row.childNodes[tgtColumnIndex];
                                                        moveCursorToStartOfElement(tgtNode);
                                                }

                                                function escapeTable(currentRow, e) {
                                                        var tableSiblingElement = getTableSibling(currentRow);
                                                        if (tableSiblingElement !== null) {
                                                                moveCursorToStartOfElement(tableSiblingElement);
                                                                return tinymce.dom.Event.cancel(e);
                                                        } else {
                                                                var element = e.keyCode == UP_ARROW ? currentRow.firstChild : currentRow.lastChild;
                                                                // rely on default behaviour to escape table after we are in the last cell of the last row
                                                                moveCursorToStartOfElement(element);
                                                                return true;
                                                        }
                                                }

                                                var UP_ARROW = 38;
                                                var DOWN_ARROW = 40;

                                                if (isVerticalMovement(e) && isInTable(ed)) {
                                                        var node = ed.selection.getNode();
                                                        var currentRow = ed.dom.getParent(node, 'tr');
                                                        var nextRow = getNextRow(e, currentRow);

                                                        // If we're at the first or last row in the table, we should move the caret outside of the table
                                                        if (nextRow == null) {
                                                                return escapeTable(currentRow, e);
                                                        } else {
                                                                moveCursorToRow(ed, node, nextRow);
                                                                tinymce.dom.Event.cancel(e);
                                                                return true;
                                                        }
                                                }
                                        }

                                        ed.onKeyDown.add(moveSelection);
                                }
                                                                
                                // 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) {
                                        function fixTableCaretPos() {
                                                var last;

                                                // Skip empty text nodes form the end
                                                for (last = ed.getBody().lastChild; last && last.nodeType == 3 && !last.nodeValue.length; last = last.previousSibling) ;

                                                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();
                                        ed.startContent = ed.getContent({format : 'raw'});
                                }
                        });

                        // Register action commands
                        each({
                                mceTableSplitCells : function(grid) {
                                        grid.split();
                                },

                                mceTableMergeCells : function(grid) {
                                        var rowSpan, colSpan, cell;

                                        cell = ed.dom.getParent(ed.selection.getNode(), 'th,td');
                                        if (cell) {
                                                rowSpan = cell.rowSpan;
                                                colSpan = cell.colSpan;
                                        }

                                        if (!ed.dom.select('td.mceSelected,th.mceSelected').length) {
                                                winMan.open({
                                                        url : url + '/merge_cells.htm',
                                                        width : 240 + parseInt(ed.getLang('table.merge_cells_delta_width', 0)),
                                                        height : 110 + parseInt(ed.getLang('table.merge_cells_delta_height', 0)),
                                                        inline : 1
                                                }, {
                                                        rows : rowSpan,
                                                        cols : colSpan,
                                                        onaction : function(data) {
                                                                grid.merge(cell, data.cols, data.rows);
                                                        },
                                                        plugin_url : url
                                                });
                                        } else
                                                grid.merge();
                                },

                                mceTableInsertRowBefore : function(grid) {
                                        grid.insertRow(true);
                                },

                                mceTableInsertRowAfter : function(grid) {
                                        grid.insertRow();
                                },

                                mceTableInsertColBefore : function(grid) {
                                        grid.insertCol(true);
                                },

                                mceTableInsertColAfter : function(grid) {
                                        grid.insertCol();
                                },

                                mceTableDeleteCol : function(grid) {
                                        grid.deleteCols();
                                },

                                mceTableDeleteRow : function(grid) {
                                        grid.deleteRows();
                                },

                                mceTableCutRow : function(grid) {
                                        clipboardRows = grid.cutRows();
                                },

                                mceTableCopyRow : function(grid) {
                                        clipboardRows = grid.copyRows();
                                },

                                mceTablePasteRowBefore : function(grid) {
                                        grid.pasteRows(clipboardRows, true);
                                },

                                mceTablePasteRowAfter : function(grid) {
                                        grid.pasteRows(clipboardRows);
                                },

                                mceTableDelete : function(grid) {
                                        grid.deleteTable();
                                }
                        }, function(func, name) {
                                ed.addCommand(name, function() {
                                        var grid = createTableGrid();

                                        if (grid) {
                                                func(grid);
                                                ed.execCommand('mceRepaint');
                                                cleanup();
                                        }
                                });
                        });

                        // Register dialog commands
                        each({
                                mceInsertTable : function(val) {
                                        winMan.open({
                                                url : url + '/table.htm',
                                                width : 400 + parseInt(ed.getLang('table.table_delta_width', 0)),
                                                height : 320 + parseInt(ed.getLang('table.table_delta_height', 0)),
                                                inline : 1
                                        }, {
                                                plugin_url : url,
                                                action : val ? val.action : 0
                                        });
                                },

                                mceTableRowProps : function() {
                                        winMan.open({
                                                url : url + '/row.htm',
                                                width : 400 + parseInt(ed.getLang('table.rowprops_delta_width', 0)),
                                                height : 295 + parseInt(ed.getLang('table.rowprops_delta_height', 0)),
                                                inline : 1
                                        }, {
                                                plugin_url : url
                                        });
                                },

                                mceTableCellProps : function() {
                                        winMan.open({
                                                url : url + '/cell.htm',
                                                width : 400 + parseInt(ed.getLang('table.cellprops_delta_width', 0)),
                                                height : 295 + parseInt(ed.getLang('table.cellprops_delta_height', 0)),
                                                inline : 1
                                        }, {
                                                plugin_url : url
                                        });
                                }
                        }, function(func, name) {
                                ed.addCommand(name, function(ui, val) {
                                        func(val);
                                });
                        });
                }
        });

        // Register plugin
        tinymce.PluginManager.add('table', tinymce.plugins.TablePlugin);
})(tinymce);