1 | /* |
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben |
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4 | * |
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5 | * == BEGIN LICENSE == |
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6 | * |
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7 | * Licensed under the terms of any of the following licenses at your |
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8 | * choice: |
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9 | * |
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10 | * - GNU General Public License Version 2 or later (the "GPL") |
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11 | * http://www.gnu.org/licenses/gpl.html |
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12 | * |
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
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14 | * http://www.gnu.org/licenses/lgpl.html |
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15 | * |
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL") |
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html |
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18 | * |
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19 | * == END LICENSE == |
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20 | * |
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21 | * Manage table operations. |
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22 | */ |
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23 | |
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24 | var FCKTableHandler = new Object() ; |
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25 | |
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26 | FCKTableHandler.InsertRow = function( insertBefore ) |
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27 | { |
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28 | // Get the row where the selection is placed in. |
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29 | var oRow = FCKSelection.MoveToAncestorNode( 'TR' ) ; |
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30 | if ( !oRow ) return ; |
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31 | |
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32 | // Create a clone of the row. |
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33 | var oNewRow = oRow.cloneNode( true ) ; |
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34 | |
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35 | // Insert the new row (copy) before of it. |
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36 | oRow.parentNode.insertBefore( oNewRow, oRow ) ; |
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37 | |
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38 | // Clean one of the rows to produce the illusion of inserting an empty row before or after. |
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39 | FCKTableHandler.ClearRow( insertBefore ? oNewRow : oRow ) ; |
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40 | } |
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41 | |
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42 | FCKTableHandler.DeleteRows = function( row ) |
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43 | { |
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44 | // If no row has been passed as a parameter, |
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45 | // then get the row( s ) containing the cells where the selection is placed in. |
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46 | // If user selected multiple rows ( by selecting multiple cells ), walk |
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47 | // the selected cell list and delete the rows containing the selected cells |
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48 | if ( ! row ) |
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49 | { |
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50 | var aCells = FCKTableHandler.GetSelectedCells() ; |
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51 | var aRowsToDelete = new Array() ; |
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52 | //queue up the rows -- it's possible ( and likely ) that we may get duplicates |
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53 | for ( var i = 0; i < aCells.length; i++ ) |
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54 | { |
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55 | var oRow = aCells[i].parentNode ; |
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56 | aRowsToDelete[oRow.rowIndex] = oRow ; |
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57 | } |
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58 | for ( var i = aRowsToDelete.length; i >= 0; i-- ) |
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59 | { |
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60 | if ( aRowsToDelete[i] ) |
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61 | FCKTableHandler.DeleteRows( aRowsToDelete[i] ); |
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62 | } |
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63 | return ; |
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64 | } |
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65 | |
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66 | // Get the row's table. |
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67 | var oTable = FCKTools.GetElementAscensor( row, 'TABLE' ) ; |
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68 | |
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69 | // If just one row is available then delete the entire table. |
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70 | if ( oTable.rows.length == 1 ) |
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71 | { |
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72 | FCKTableHandler.DeleteTable( oTable ) ; |
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73 | return ; |
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74 | } |
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75 | |
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76 | // Delete the row. |
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77 | row.parentNode.removeChild( row ) ; |
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78 | } |
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79 | |
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80 | FCKTableHandler.DeleteTable = function( table ) |
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81 | { |
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82 | // If no table has been passed as a parameter, |
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83 | // then get the table where the selection is placed in. |
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84 | if ( !table ) |
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85 | { |
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86 | table = FCKSelection.GetSelectedElement() ; |
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87 | if ( !table || table.tagName != 'TABLE' ) |
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88 | table = FCKSelection.MoveToAncestorNode( 'TABLE' ) ; |
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89 | } |
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90 | if ( !table ) return ; |
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91 | |
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92 | // Delete the table. |
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93 | FCKSelection.SelectNode( table ) ; |
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94 | FCKSelection.Collapse(); |
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95 | |
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96 | // if the table is wrapped with a singleton <p> ( or something similar ), remove |
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97 | // the surrounding tag -- which likely won't show after deletion anyway |
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98 | if ( table.parentNode.childNodes.length == 1 ) |
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99 | table.parentNode.parentNode.removeChild( table.parentNode ); |
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100 | else |
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101 | table.parentNode.removeChild( table ) ; |
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102 | } |
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103 | |
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104 | FCKTableHandler.InsertColumn = function( insertBefore ) |
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105 | { |
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106 | // Get the cell where the selection is placed in. |
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107 | var oCell = null ; |
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108 | var nodes = this.GetSelectedCells() ; |
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109 | |
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110 | if ( nodes && nodes.length ) |
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111 | oCell = nodes[ insertBefore ? 0 : ( nodes.length - 1 ) ] ; |
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112 | |
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113 | if ( ! oCell ) |
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114 | return ; |
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115 | |
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116 | // Get the cell's table. |
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117 | var oTable = FCKTools.GetElementAscensor( oCell, 'TABLE' ) ; |
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118 | |
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119 | var iIndex = oCell.cellIndex ; |
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120 | |
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121 | // Loop through all rows available in the table. |
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122 | for ( var i = 0 ; i < oTable.rows.length ; i++ ) |
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123 | { |
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124 | // Get the row. |
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125 | var oRow = oTable.rows[i] ; |
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126 | |
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127 | // If the row doesn't have enough cells, ignore it. |
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128 | if ( oRow.cells.length < ( iIndex + 1 ) ) |
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129 | continue ; |
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130 | |
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131 | oCell = oRow.cells[iIndex].cloneNode(false) ; |
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132 | |
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133 | if ( FCKBrowserInfo.IsGeckoLike ) |
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134 | FCKTools.AppendBogusBr( oCell ) ; |
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135 | |
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136 | // Get back the currently selected cell. |
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137 | var oBaseCell = oRow.cells[iIndex] ; |
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138 | |
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139 | oRow.insertBefore( oCell, ( insertBefore ? oBaseCell : oBaseCell.nextSibling ) ) ; |
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140 | } |
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141 | } |
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142 | |
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143 | FCKTableHandler.DeleteColumns = function( oCell ) |
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144 | { |
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145 | // if user selected multiple cols ( by selecting multiple cells ), walk |
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146 | // the selected cell list and delete the rows containing the selected cells |
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147 | if ( !oCell ) |
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148 | { |
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149 | var aColsToDelete = FCKTableHandler.GetSelectedCells(); |
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150 | for ( var i = aColsToDelete.length; i >= 0; i-- ) |
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151 | { |
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152 | if ( aColsToDelete[i] ) |
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153 | FCKTableHandler.DeleteColumns( aColsToDelete[i] ); |
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154 | } |
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155 | return; |
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156 | } |
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157 | |
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158 | if ( !oCell ) return ; |
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159 | |
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160 | // Get the cell's table. |
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161 | var oTable = FCKTools.GetElementAscensor( oCell, 'TABLE' ) ; |
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162 | |
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163 | // Get the cell index. |
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164 | var iIndex = oCell.cellIndex ; |
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165 | |
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166 | // Loop throw all rows (from down to up, because it's possible that some |
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167 | // rows will be deleted). |
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168 | for ( var i = oTable.rows.length - 1 ; i >= 0 ; i-- ) |
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169 | { |
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170 | // Get the row. |
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171 | var oRow = oTable.rows[i] ; |
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172 | |
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173 | // If the cell to be removed is the first one and the row has just one cell. |
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174 | if ( iIndex == 0 && oRow.cells.length == 1 ) |
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175 | { |
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176 | // Remove the entire row. |
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177 | FCKTableHandler.DeleteRows( oRow ) ; |
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178 | continue ; |
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179 | } |
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180 | |
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181 | // If the cell to be removed exists the delete it. |
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182 | if ( oRow.cells[iIndex] ) |
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183 | oRow.removeChild( oRow.cells[iIndex] ) ; |
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184 | } |
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185 | } |
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186 | |
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187 | FCKTableHandler.InsertCell = function( cell, insertBefore ) |
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188 | { |
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189 | // Get the cell where the selection is placed in. |
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190 | var oCell = null ; |
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191 | var nodes = this.GetSelectedCells() ; |
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192 | if ( nodes && nodes.length ) |
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193 | oCell = nodes[ insertBefore ? 0 : ( nodes.length - 1 ) ] ; |
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194 | if ( ! oCell ) |
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195 | return null ; |
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196 | |
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197 | // Create the new cell element to be added. |
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198 | var oNewCell = FCK.EditorDocument.createElement( 'TD' ) ; |
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199 | if ( FCKBrowserInfo.IsGeckoLike ) |
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200 | FCKTools.AppendBogusBr( oNewCell ) ; |
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201 | |
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202 | if ( !insertBefore && oCell.cellIndex == oCell.parentNode.cells.length - 1 ) |
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203 | oCell.parentNode.appendChild( oNewCell ) ; |
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204 | else |
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205 | oCell.parentNode.insertBefore( oNewCell, insertBefore ? oCell : oCell.nextSibling ) ; |
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206 | |
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207 | return oNewCell ; |
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208 | } |
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209 | |
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210 | FCKTableHandler.DeleteCell = function( cell ) |
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211 | { |
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212 | // If this is the last cell in the row. |
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213 | if ( cell.parentNode.cells.length == 1 ) |
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214 | { |
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215 | // Delete the entire row. |
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216 | FCKTableHandler.DeleteRows( cell.parentNode ) ; |
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217 | return ; |
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218 | } |
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219 | |
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220 | // Delete the cell from the row. |
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221 | cell.parentNode.removeChild( cell ) ; |
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222 | } |
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223 | |
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224 | FCKTableHandler.DeleteCells = function() |
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225 | { |
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226 | var aCells = FCKTableHandler.GetSelectedCells() ; |
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227 | |
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228 | for ( var i = aCells.length - 1 ; i >= 0 ; i-- ) |
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229 | { |
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230 | FCKTableHandler.DeleteCell( aCells[i] ) ; |
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231 | } |
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232 | } |
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233 | |
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234 | FCKTableHandler._MarkCells = function( cells, label ) |
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235 | { |
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236 | for ( var i = 0 ; i < cells.length ; i++ ) |
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237 | cells[i][label] = true ; |
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238 | } |
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239 | |
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240 | FCKTableHandler._UnmarkCells = function( cells, label ) |
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241 | { |
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242 | for ( var i = 0 ; i < cells.length ; i++ ) |
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243 | { |
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244 | FCKDomTools.ClearElementJSProperty(cells[i], label ) ; |
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245 | } |
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246 | } |
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247 | |
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248 | FCKTableHandler._ReplaceCellsByMarker = function( tableMap, marker, substitute ) |
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249 | { |
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250 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
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251 | { |
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252 | for ( var j = 0 ; j < tableMap[i].length ; j++ ) |
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253 | { |
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254 | if ( tableMap[i][j][marker] ) |
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255 | tableMap[i][j] = substitute ; |
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256 | } |
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257 | } |
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258 | } |
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259 | |
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260 | FCKTableHandler._GetMarkerGeometry = function( tableMap, rowIdx, colIdx, markerName ) |
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261 | { |
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262 | var selectionWidth = 0 ; |
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263 | var selectionHeight = 0 ; |
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264 | var cellsLeft = 0 ; |
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265 | var cellsUp = 0 ; |
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266 | for ( var i = colIdx ; tableMap[rowIdx][i] && tableMap[rowIdx][i][markerName] ; i++ ) |
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267 | selectionWidth++ ; |
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268 | for ( var i = colIdx - 1 ; tableMap[rowIdx][i] && tableMap[rowIdx][i][markerName] ; i-- ) |
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269 | { |
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270 | selectionWidth++ ; |
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271 | cellsLeft++ ; |
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272 | } |
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273 | for ( var i = rowIdx ; tableMap[i] && tableMap[i][colIdx] && tableMap[i][colIdx][markerName] ; i++ ) |
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274 | selectionHeight++ ; |
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275 | for ( var i = rowIdx - 1 ; tableMap[i] && tableMap[i][colIdx] && tableMap[i][colIdx][markerName] ; i-- ) |
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276 | { |
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277 | selectionHeight++ ; |
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278 | cellsUp++ ; |
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279 | } |
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280 | return { 'width' : selectionWidth, 'height' : selectionHeight, 'x' : cellsLeft, 'y' : cellsUp } ; |
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281 | } |
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282 | |
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283 | FCKTableHandler.CheckIsSelectionRectangular = function() |
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284 | { |
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285 | // If every row and column in an area on a plane are of the same width and height, |
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286 | // Then the area is a rectangle. |
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287 | var cells = FCKTableHandler.GetSelectedCells() ; |
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288 | if ( cells.length < 1 ) |
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289 | return false ; |
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290 | |
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291 | // Check if the selected cells are all in the same table section (thead, tfoot or tbody) |
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292 | for (var i = 0; i < cells.length; i++) |
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293 | { |
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294 | if ( cells[i].parentNode.parentNode != cells[0].parentNode.parentNode ) |
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295 | return false ; |
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296 | } |
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297 | |
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298 | this._MarkCells( cells, '_CellSelected' ) ; |
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299 | |
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300 | var tableMap = this._CreateTableMap( cells[0] ) ; |
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301 | var rowIdx = cells[0].parentNode.rowIndex ; |
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302 | var colIdx = this._GetCellIndexSpan( tableMap, rowIdx, cells[0] ) ; |
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303 | |
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304 | var geometry = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_CellSelected' ) ; |
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305 | var baseColIdx = colIdx - geometry.x ; |
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306 | var baseRowIdx = rowIdx - geometry.y ; |
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307 | |
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308 | if ( geometry.width >= geometry.height ) |
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309 | { |
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310 | for ( colIdx = baseColIdx ; colIdx < baseColIdx + geometry.width ; colIdx++ ) |
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311 | { |
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312 | rowIdx = baseRowIdx + ( colIdx - baseColIdx ) % geometry.height ; |
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313 | if ( ! tableMap[rowIdx] || ! tableMap[rowIdx][colIdx] ) |
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314 | { |
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315 | this._UnmarkCells( cells, '_CellSelected' ) ; |
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316 | return false ; |
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317 | } |
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318 | var g = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_CellSelected' ) ; |
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319 | if ( g.width != geometry.width || g.height != geometry.height ) |
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320 | { |
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321 | this._UnmarkCells( cells, '_CellSelected' ) ; |
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322 | return false ; |
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323 | } |
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324 | } |
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325 | } |
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326 | else |
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327 | { |
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328 | for ( rowIdx = baseRowIdx ; rowIdx < baseRowIdx + geometry.height ; rowIdx++ ) |
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329 | { |
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330 | colIdx = baseColIdx + ( rowIdx - baseRowIdx ) % geometry.width ; |
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331 | if ( ! tableMap[rowIdx] || ! tableMap[rowIdx][colIdx] ) |
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332 | { |
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333 | this._UnmarkCells( cells, '_CellSelected' ) ; |
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334 | return false ; |
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335 | } |
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336 | var g = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_CellSelected' ) ; |
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337 | if ( g.width != geometry.width || g.height != geometry.height ) |
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338 | { |
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339 | this._UnmarkCells( cells, '_CellSelected' ) ; |
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340 | return false ; |
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341 | } |
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342 | } |
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343 | } |
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344 | |
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345 | this._UnmarkCells( cells, '_CellSelected' ) ; |
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346 | return true ; |
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347 | } |
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348 | |
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349 | FCKTableHandler.MergeCells = function() |
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350 | { |
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351 | // Get all selected cells. |
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352 | var cells = this.GetSelectedCells() ; |
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353 | if ( cells.length < 2 ) |
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354 | return ; |
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355 | |
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356 | // Assume the selected cells are already in a rectangular geometry. |
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357 | // Because the checking is already done by FCKTableCommand. |
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358 | var refCell = cells[0] ; |
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359 | var tableMap = this._CreateTableMap( refCell ) ; |
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360 | var rowIdx = refCell.parentNode.rowIndex ; |
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361 | var colIdx = this._GetCellIndexSpan( tableMap, rowIdx, refCell ) ; |
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362 | |
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363 | this._MarkCells( cells, '_SelectedCells' ) ; |
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364 | var selectionGeometry = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_SelectedCells' ) ; |
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365 | |
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366 | var baseColIdx = colIdx - selectionGeometry.x ; |
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367 | var baseRowIdx = rowIdx - selectionGeometry.y ; |
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368 | var cellContents = FCKTools.GetElementDocument( refCell ).createDocumentFragment() ; |
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369 | for ( var i = 0 ; i < selectionGeometry.height ; i++ ) |
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370 | { |
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371 | var rowChildNodesCount = 0 ; |
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372 | for ( var j = 0 ; j < selectionGeometry.width ; j++ ) |
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373 | { |
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374 | var currentCell = tableMap[baseRowIdx + i][baseColIdx + j] ; |
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375 | while ( currentCell.childNodes.length > 0 ) |
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376 | { |
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377 | var node = currentCell.removeChild( currentCell.firstChild ) ; |
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378 | if ( node.nodeType != 1 |
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379 | || ( node.getAttribute( 'type', 2 ) != '_moz' && node.getAttribute( '_moz_dirty' ) != null ) ) |
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380 | { |
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381 | cellContents.appendChild( node ) ; |
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382 | rowChildNodesCount++ ; |
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383 | } |
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384 | } |
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385 | } |
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386 | if ( rowChildNodesCount > 0 ) |
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387 | cellContents.appendChild( FCK.EditorDocument.createElement( 'br' ) ) ; |
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388 | } |
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389 | |
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390 | this._ReplaceCellsByMarker( tableMap, '_SelectedCells', refCell ) ; |
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391 | this._UnmarkCells( cells, '_SelectedCells' ) ; |
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392 | this._InstallTableMap( tableMap, refCell.parentNode.parentNode.parentNode ) ; |
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393 | refCell.appendChild( cellContents ) ; |
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394 | |
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395 | if ( FCKBrowserInfo.IsGeckoLike && ( ! refCell.firstChild ) ) |
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396 | FCKTools.AppendBogusBr( refCell ) ; |
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397 | |
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398 | this._MoveCaretToCell( refCell, false ) ; |
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399 | } |
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400 | |
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401 | FCKTableHandler.MergeRight = function() |
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402 | { |
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403 | var target = this.GetMergeRightTarget() ; |
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404 | if ( target == null ) |
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405 | return ; |
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406 | var refCell = target.refCell ; |
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407 | var tableMap = target.tableMap ; |
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408 | var nextCell = target.nextCell ; |
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409 | |
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410 | var cellContents = FCK.EditorDocument.createDocumentFragment() ; |
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411 | while ( nextCell && nextCell.childNodes && nextCell.childNodes.length > 0 ) |
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412 | cellContents.appendChild( nextCell.removeChild( nextCell.firstChild ) ) ; |
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413 | |
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414 | nextCell.parentNode.removeChild( nextCell ) ; |
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415 | refCell.appendChild( cellContents ) ; |
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416 | this._MarkCells( [nextCell], '_Replace' ) ; |
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417 | this._ReplaceCellsByMarker( tableMap, '_Replace', refCell ) ; |
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418 | this._InstallTableMap( tableMap, refCell.parentNode.parentNode.parentNode ) ; |
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419 | |
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420 | this._MoveCaretToCell( refCell, false ) ; |
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421 | } |
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422 | |
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423 | FCKTableHandler.MergeDown = function() |
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424 | { |
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425 | var target = this.GetMergeDownTarget() ; |
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426 | if ( target == null ) |
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427 | return ; |
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428 | var refCell = target.refCell ; |
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429 | var tableMap = target.tableMap ; |
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430 | var nextCell = target.nextCell ; |
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431 | |
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432 | var cellContents = FCKTools.GetElementDocument( refCell ).createDocumentFragment() ; |
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433 | while ( nextCell && nextCell.childNodes && nextCell.childNodes.length > 0 ) |
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434 | cellContents.appendChild( nextCell.removeChild( nextCell.firstChild ) ) ; |
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435 | if ( cellContents.firstChild ) |
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436 | cellContents.insertBefore( FCK.EditorDocument.createElement( 'br' ), cellContents.firstChild ) ; |
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437 | refCell.appendChild( cellContents ) ; |
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438 | this._MarkCells( [nextCell], '_Replace' ) ; |
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439 | this._ReplaceCellsByMarker( tableMap, '_Replace', refCell ) ; |
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440 | this._InstallTableMap( tableMap, refCell.parentNode.parentNode.parentNode ) ; |
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441 | |
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442 | this._MoveCaretToCell( refCell, false ) ; |
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443 | } |
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444 | |
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445 | FCKTableHandler.HorizontalSplitCell = function() |
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446 | { |
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447 | var cells = FCKTableHandler.GetSelectedCells() ; |
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448 | if ( cells.length != 1 ) |
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449 | return ; |
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450 | |
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451 | var refCell = cells[0] ; |
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452 | var tableMap = this._CreateTableMap( refCell ) ; |
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453 | var rowIdx = refCell.parentNode.rowIndex ; |
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454 | var colIdx = FCKTableHandler._GetCellIndexSpan( tableMap, rowIdx, refCell ) ; |
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455 | var cellSpan = isNaN( refCell.colSpan ) ? 1 : refCell.colSpan ; |
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456 | |
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457 | if ( cellSpan > 1 ) |
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458 | { |
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459 | // Splitting a multi-column cell - original cell gets ceil(colSpan/2) columns, |
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460 | // new cell gets floor(colSpan/2). |
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461 | var newCellSpan = Math.ceil( cellSpan / 2 ) ; |
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462 | var newCell = FCK.EditorDocument.createElement( refCell.nodeName ) ; |
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463 | if ( FCKBrowserInfo.IsGeckoLike ) |
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464 | FCKTools.AppendBogusBr( newCell ) ; |
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465 | var startIdx = colIdx + newCellSpan ; |
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466 | var endIdx = colIdx + cellSpan ; |
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467 | var rowSpan = isNaN( refCell.rowSpan ) ? 1 : refCell.rowSpan ; |
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468 | for ( var r = rowIdx ; r < rowIdx + rowSpan ; r++ ) |
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469 | { |
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470 | for ( var i = startIdx ; i < endIdx ; i++ ) |
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471 | tableMap[r][i] = newCell ; |
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472 | } |
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473 | } |
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474 | else |
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475 | { |
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476 | // Splitting a single-column cell - add a new cell, and expand |
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477 | // cells crossing the same column. |
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478 | var newTableMap = [] ; |
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479 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
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480 | { |
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481 | var newRow = tableMap[i].slice( 0, colIdx ) ; |
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482 | if ( tableMap[i].length <= colIdx ) |
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483 | { |
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484 | newTableMap.push( newRow ) ; |
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485 | continue ; |
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486 | } |
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487 | if ( tableMap[i][colIdx] == refCell ) |
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488 | { |
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489 | newRow.push( refCell ) ; |
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490 | newRow.push( FCK.EditorDocument.createElement( refCell.nodeName ) ) ; |
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491 | if ( FCKBrowserInfo.IsGeckoLike ) |
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492 | FCKTools.AppendBogusBr( newRow[newRow.length - 1] ) ; |
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493 | } |
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494 | else |
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495 | { |
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496 | newRow.push( tableMap[i][colIdx] ) ; |
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497 | newRow.push( tableMap[i][colIdx] ) ; |
---|
498 | } |
---|
499 | for ( var j = colIdx + 1 ; j < tableMap[i].length ; j++ ) |
---|
500 | newRow.push( tableMap[i][j] ) ; |
---|
501 | newTableMap.push( newRow ) ; |
---|
502 | } |
---|
503 | tableMap = newTableMap ; |
---|
504 | } |
---|
505 | |
---|
506 | this._InstallTableMap( tableMap, refCell.parentNode.parentNode.parentNode ) ; |
---|
507 | } |
---|
508 | |
---|
509 | FCKTableHandler.VerticalSplitCell = function() |
---|
510 | { |
---|
511 | var cells = FCKTableHandler.GetSelectedCells() ; |
---|
512 | if ( cells.length != 1 ) |
---|
513 | return ; |
---|
514 | |
---|
515 | var currentCell = cells[0] ; |
---|
516 | var tableMap = this._CreateTableMap( currentCell ) ; |
---|
517 | var currentRowIndex = currentCell.parentNode.rowIndex ; |
---|
518 | var cellIndex = FCKTableHandler._GetCellIndexSpan( tableMap, currentRowIndex, currentCell ) ; |
---|
519 | // Save current cell colSpan |
---|
520 | var currentColSpan = isNaN( currentCell.colSpan ) ? 1 : currentCell.colSpan ; |
---|
521 | var currentRowSpan = currentCell.rowSpan ; |
---|
522 | if ( isNaN( currentRowSpan ) ) |
---|
523 | currentRowSpan = 1 ; |
---|
524 | |
---|
525 | if ( currentRowSpan > 1 ) |
---|
526 | { |
---|
527 | // 1. Set the current cell's rowSpan to 1. |
---|
528 | currentCell.rowSpan = Math.ceil( currentRowSpan / 2 ) ; |
---|
529 | |
---|
530 | // 2. Find the appropriate place to insert a new cell at the next row. |
---|
531 | var newCellRowIndex = currentRowIndex + Math.ceil( currentRowSpan / 2 ) ; |
---|
532 | var oRow = tableMap[newCellRowIndex] ; |
---|
533 | var insertMarker = null ; |
---|
534 | for ( var i = cellIndex+1 ; i < oRow.length ; i++ ) |
---|
535 | { |
---|
536 | if ( oRow[i].parentNode.rowIndex == newCellRowIndex ) |
---|
537 | { |
---|
538 | insertMarker = oRow[i] ; |
---|
539 | break ; |
---|
540 | } |
---|
541 | } |
---|
542 | |
---|
543 | // 3. Insert the new cell to the indicated place, with the appropriate rowSpan and colSpan, next row. |
---|
544 | var newCell = FCK.EditorDocument.createElement( currentCell.nodeName ) ; |
---|
545 | newCell.rowSpan = Math.floor( currentRowSpan / 2 ) ; |
---|
546 | if ( currentColSpan > 1 ) |
---|
547 | newCell.colSpan = currentColSpan ; |
---|
548 | if ( FCKBrowserInfo.IsGeckoLike ) |
---|
549 | FCKTools.AppendBogusBr( newCell ) ; |
---|
550 | currentCell.parentNode.parentNode.parentNode.rows[newCellRowIndex].insertBefore( newCell, insertMarker ) ; |
---|
551 | } |
---|
552 | else |
---|
553 | { |
---|
554 | // 1. Insert a new row. |
---|
555 | var newSectionRowIdx = currentCell.parentNode.sectionRowIndex + 1 ; |
---|
556 | var newRow = FCK.EditorDocument.createElement( 'tr' ) ; |
---|
557 | var tSection = currentCell.parentNode.parentNode ; |
---|
558 | if ( tSection.rows.length > newSectionRowIdx ) |
---|
559 | tSection.insertBefore( newRow, tSection.rows[newSectionRowIdx] ) ; |
---|
560 | else |
---|
561 | tSection.appendChild( newRow ) ; |
---|
562 | |
---|
563 | // 2. +1 to rowSpan for all cells crossing currentCell's row. |
---|
564 | for ( var i = 0 ; i < tableMap[currentRowIndex].length ; ) |
---|
565 | { |
---|
566 | var colSpan = tableMap[currentRowIndex][i].colSpan ; |
---|
567 | if ( isNaN( colSpan ) || colSpan < 1 ) |
---|
568 | colSpan = 1 ; |
---|
569 | if ( i == cellIndex ) |
---|
570 | { |
---|
571 | i += colSpan ; |
---|
572 | continue ; |
---|
573 | } |
---|
574 | var rowSpan = tableMap[currentRowIndex][i].rowSpan ; |
---|
575 | if ( isNaN( rowSpan ) ) |
---|
576 | rowSpan = 1 ; |
---|
577 | tableMap[currentRowIndex][i].rowSpan = rowSpan + 1 ; |
---|
578 | i += colSpan ; |
---|
579 | } |
---|
580 | |
---|
581 | // 3. Insert a new cell to new row. Set colSpan on the new cell. |
---|
582 | var newCell = FCK.EditorDocument.createElement( currentCell.nodeName ) ; |
---|
583 | if ( currentColSpan > 1 ) |
---|
584 | newCell.colSpan = currentColSpan ; |
---|
585 | if ( FCKBrowserInfo.IsGeckoLike ) |
---|
586 | FCKTools.AppendBogusBr( newCell ) ; |
---|
587 | newRow.appendChild( newCell ) ; |
---|
588 | } |
---|
589 | } |
---|
590 | |
---|
591 | // Get the cell index from a TableMap. |
---|
592 | FCKTableHandler._GetCellIndexSpan = function( tableMap, rowIndex, cell ) |
---|
593 | { |
---|
594 | if ( tableMap.length < rowIndex + 1 ) |
---|
595 | return null ; |
---|
596 | |
---|
597 | var oRow = tableMap[ rowIndex ] ; |
---|
598 | |
---|
599 | for ( var c = 0 ; c < oRow.length ; c++ ) |
---|
600 | { |
---|
601 | if ( oRow[c] == cell ) |
---|
602 | return c ; |
---|
603 | } |
---|
604 | |
---|
605 | return null ; |
---|
606 | } |
---|
607 | |
---|
608 | // Get the cell location from a TableMap. Returns an array with an [x,y] location |
---|
609 | FCKTableHandler._GetCellLocation = function( tableMap, cell ) |
---|
610 | { |
---|
611 | for ( var i = 0 ; i < tableMap.length; i++ ) |
---|
612 | { |
---|
613 | for ( var c = 0 ; c < tableMap[i].length ; c++ ) |
---|
614 | { |
---|
615 | if ( tableMap[i][c] == cell ) return [i,c]; |
---|
616 | } |
---|
617 | } |
---|
618 | return null ; |
---|
619 | } |
---|
620 | |
---|
621 | // This function is quite hard to explain. It creates a matrix representing all cells in a table. |
---|
622 | // The difference here is that the "spanned" cells (colSpan and rowSpan) are duplicated on the matrix |
---|
623 | // cells that are "spanned". For example, a row with 3 cells where the second cell has colSpan=2 and rowSpan=3 |
---|
624 | // will produce a bi-dimensional matrix with the following values (representing the cells): |
---|
625 | // Cell1, Cell2, Cell2, Cell3 |
---|
626 | // Cell4, Cell2, Cell2, Cell5 |
---|
627 | // Cell6, Cell2, Cell2, Cell7 |
---|
628 | FCKTableHandler._CreateTableMap = function( refCell ) |
---|
629 | { |
---|
630 | var table = (refCell.nodeName == 'TABLE' ? refCell : refCell.parentNode.parentNode.parentNode ) ; |
---|
631 | |
---|
632 | var aRows = table.rows ; |
---|
633 | |
---|
634 | // Row and Column counters. |
---|
635 | var r = -1 ; |
---|
636 | |
---|
637 | var aMap = new Array() ; |
---|
638 | |
---|
639 | for ( var i = 0 ; i < aRows.length ; i++ ) |
---|
640 | { |
---|
641 | r++ ; |
---|
642 | if ( !aMap[r] ) |
---|
643 | aMap[r] = new Array() ; |
---|
644 | |
---|
645 | var c = -1 ; |
---|
646 | |
---|
647 | for ( var j = 0 ; j < aRows[i].cells.length ; j++ ) |
---|
648 | { |
---|
649 | var oCell = aRows[i].cells[j] ; |
---|
650 | |
---|
651 | c++ ; |
---|
652 | while ( aMap[r][c] ) |
---|
653 | c++ ; |
---|
654 | |
---|
655 | var iColSpan = isNaN( oCell.colSpan ) ? 1 : oCell.colSpan ; |
---|
656 | var iRowSpan = isNaN( oCell.rowSpan ) ? 1 : oCell.rowSpan ; |
---|
657 | |
---|
658 | for ( var rs = 0 ; rs < iRowSpan ; rs++ ) |
---|
659 | { |
---|
660 | if ( !aMap[r + rs] ) |
---|
661 | aMap[r + rs] = new Array() ; |
---|
662 | |
---|
663 | for ( var cs = 0 ; cs < iColSpan ; cs++ ) |
---|
664 | { |
---|
665 | aMap[r + rs][c + cs] = aRows[i].cells[j] ; |
---|
666 | } |
---|
667 | } |
---|
668 | |
---|
669 | c += iColSpan - 1 ; |
---|
670 | } |
---|
671 | } |
---|
672 | return aMap ; |
---|
673 | } |
---|
674 | |
---|
675 | // This function is the inverse of _CreateTableMap - it takes in a table map and converts it to an HTML table. |
---|
676 | FCKTableHandler._InstallTableMap = function( tableMap, table ) |
---|
677 | { |
---|
678 | // Workaround for #1917 : MSIE will always report a cell's rowSpan as 1 as long |
---|
679 | // as the cell is not attached to a row. So we'll need an alternative attribute |
---|
680 | // for storing the calculated rowSpan in IE. |
---|
681 | var rowSpanAttr = FCKBrowserInfo.IsIE ? "_fckrowspan" : "rowSpan" ; |
---|
682 | |
---|
683 | // Disconnect all the cells in tableMap from their parents, set all colSpan and rowSpan attributes to 1. |
---|
684 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
---|
685 | { |
---|
686 | for ( var j = 0 ; j < tableMap[i].length ; j++ ) |
---|
687 | { |
---|
688 | var cell = tableMap[i][j] ; |
---|
689 | if ( cell.parentNode ) |
---|
690 | cell.parentNode.removeChild( cell ) ; |
---|
691 | cell.colSpan = cell[rowSpanAttr] = 1 ; |
---|
692 | } |
---|
693 | } |
---|
694 | |
---|
695 | // Scan by rows and set colSpan. |
---|
696 | var maxCol = 0 ; |
---|
697 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
---|
698 | { |
---|
699 | for ( var j = 0 ; j < tableMap[i].length ; j++ ) |
---|
700 | { |
---|
701 | var cell = tableMap[i][j] ; |
---|
702 | if ( ! cell) |
---|
703 | continue ; |
---|
704 | if ( j > maxCol ) |
---|
705 | maxCol = j ; |
---|
706 | if ( cell._colScanned === true ) |
---|
707 | continue ; |
---|
708 | if ( tableMap[i][j-1] == cell ) |
---|
709 | cell.colSpan++ ; |
---|
710 | if ( tableMap[i][j+1] != cell ) |
---|
711 | cell._colScanned = true ; |
---|
712 | } |
---|
713 | } |
---|
714 | |
---|
715 | // Scan by columns and set rowSpan. |
---|
716 | for ( var i = 0 ; i <= maxCol ; i++ ) |
---|
717 | { |
---|
718 | for ( var j = 0 ; j < tableMap.length ; j++ ) |
---|
719 | { |
---|
720 | if ( ! tableMap[j] ) |
---|
721 | continue ; |
---|
722 | var cell = tableMap[j][i] ; |
---|
723 | if ( ! cell || cell._rowScanned === true ) |
---|
724 | continue ; |
---|
725 | if ( tableMap[j-1] && tableMap[j-1][i] == cell ) |
---|
726 | cell[rowSpanAttr]++ ; |
---|
727 | if ( ! tableMap[j+1] || tableMap[j+1][i] != cell ) |
---|
728 | cell._rowScanned = true ; |
---|
729 | } |
---|
730 | } |
---|
731 | |
---|
732 | // Clear all temporary flags. |
---|
733 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
---|
734 | { |
---|
735 | for ( var j = 0 ; j < tableMap[i].length ; j++) |
---|
736 | { |
---|
737 | var cell = tableMap[i][j] ; |
---|
738 | FCKDomTools.ClearElementJSProperty(cell, '_colScanned' ) ; |
---|
739 | FCKDomTools.ClearElementJSProperty(cell, '_rowScanned' ) ; |
---|
740 | } |
---|
741 | } |
---|
742 | |
---|
743 | // Insert physical rows and columns to the table. |
---|
744 | for ( var i = 0 ; i < tableMap.length ; i++ ) |
---|
745 | { |
---|
746 | var rowObj = FCK.EditorDocument.createElement( 'tr' ) ; |
---|
747 | for ( var j = 0 ; j < tableMap[i].length ; ) |
---|
748 | { |
---|
749 | var cell = tableMap[i][j] ; |
---|
750 | if ( tableMap[i-1] && tableMap[i-1][j] == cell ) |
---|
751 | { |
---|
752 | j += cell.colSpan ; |
---|
753 | continue ; |
---|
754 | } |
---|
755 | rowObj.appendChild( cell ) ; |
---|
756 | if ( rowSpanAttr != 'rowSpan' ) |
---|
757 | { |
---|
758 | cell.rowSpan = cell[rowSpanAttr] ; |
---|
759 | cell.removeAttribute( rowSpanAttr ) ; |
---|
760 | } |
---|
761 | j += cell.colSpan ; |
---|
762 | if ( cell.colSpan == 1 ) |
---|
763 | cell.removeAttribute( 'colspan' ) ; |
---|
764 | if ( cell.rowSpan == 1 ) |
---|
765 | cell.removeAttribute( 'rowspan' ) ; |
---|
766 | } |
---|
767 | if ( FCKBrowserInfo.IsIE ) |
---|
768 | { |
---|
769 | table.rows[i].replaceNode( rowObj ) ; |
---|
770 | } |
---|
771 | else |
---|
772 | { |
---|
773 | table.rows[i].innerHTML = '' ; |
---|
774 | FCKDomTools.MoveChildren( rowObj, table.rows[i] ) ; |
---|
775 | } |
---|
776 | } |
---|
777 | } |
---|
778 | |
---|
779 | FCKTableHandler._MoveCaretToCell = function ( refCell, toStart ) |
---|
780 | { |
---|
781 | var range = new FCKDomRange( FCK.EditorWindow ) ; |
---|
782 | range.MoveToNodeContents( refCell ) ; |
---|
783 | range.Collapse( toStart ) ; |
---|
784 | range.Select() ; |
---|
785 | } |
---|
786 | |
---|
787 | FCKTableHandler.ClearRow = function( tr ) |
---|
788 | { |
---|
789 | // Get the array of row's cells. |
---|
790 | var aCells = tr.cells ; |
---|
791 | |
---|
792 | // Replace the contents of each cell with "nothing". |
---|
793 | for ( var i = 0 ; i < aCells.length ; i++ ) |
---|
794 | { |
---|
795 | aCells[i].innerHTML = '' ; |
---|
796 | |
---|
797 | if ( FCKBrowserInfo.IsGeckoLike ) |
---|
798 | FCKTools.AppendBogusBr( aCells[i] ) ; |
---|
799 | } |
---|
800 | } |
---|
801 | |
---|
802 | FCKTableHandler.GetMergeRightTarget = function() |
---|
803 | { |
---|
804 | var cells = this.GetSelectedCells() ; |
---|
805 | if ( cells.length != 1 ) |
---|
806 | return null ; |
---|
807 | |
---|
808 | var refCell = cells[0] ; |
---|
809 | var tableMap = this._CreateTableMap( refCell ) ; |
---|
810 | var rowIdx = refCell.parentNode.rowIndex ; |
---|
811 | var colIdx = this._GetCellIndexSpan( tableMap, rowIdx, refCell ) ; |
---|
812 | var nextColIdx = colIdx + ( isNaN( refCell.colSpan ) ? 1 : refCell.colSpan ) ; |
---|
813 | var nextCell = tableMap[rowIdx][nextColIdx] ; |
---|
814 | |
---|
815 | if ( ! nextCell ) |
---|
816 | return null ; |
---|
817 | |
---|
818 | // The two cells must have the same vertical geometry, otherwise merging does not make sense. |
---|
819 | this._MarkCells( [refCell, nextCell], '_SizeTest' ) ; |
---|
820 | var refGeometry = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_SizeTest' ) ; |
---|
821 | var nextGeometry = this._GetMarkerGeometry( tableMap, rowIdx, nextColIdx, '_SizeTest' ) ; |
---|
822 | this._UnmarkCells( [refCell, nextCell], '_SizeTest' ) ; |
---|
823 | |
---|
824 | if ( refGeometry.height != nextGeometry.height || refGeometry.y != nextGeometry.y ) |
---|
825 | return null ; |
---|
826 | |
---|
827 | return { 'refCell' : refCell, 'nextCell' : nextCell, 'tableMap' : tableMap } ; |
---|
828 | } |
---|
829 | |
---|
830 | FCKTableHandler.GetMergeDownTarget = function() |
---|
831 | { |
---|
832 | var cells = this.GetSelectedCells() ; |
---|
833 | if ( cells.length != 1 ) |
---|
834 | return null ; |
---|
835 | |
---|
836 | var refCell = cells[0] ; |
---|
837 | var tableMap = this._CreateTableMap( refCell ) ; |
---|
838 | var rowIdx = refCell.parentNode.rowIndex ; |
---|
839 | var colIdx = this._GetCellIndexSpan( tableMap, rowIdx, refCell ) ; |
---|
840 | var newRowIdx = rowIdx + ( isNaN( refCell.rowSpan ) ? 1 : refCell.rowSpan ) ; |
---|
841 | if ( ! tableMap[newRowIdx] ) |
---|
842 | return null ; |
---|
843 | |
---|
844 | var nextCell = tableMap[newRowIdx][colIdx] ; |
---|
845 | |
---|
846 | if ( ! nextCell ) |
---|
847 | return null ; |
---|
848 | |
---|
849 | // Check if the selected cells are both in the same table section (thead, tfoot or tbody). |
---|
850 | if ( refCell.parentNode.parentNode != nextCell.parentNode.parentNode ) |
---|
851 | return null ; |
---|
852 | |
---|
853 | // The two cells must have the same horizontal geometry, otherwise merging does not makes sense. |
---|
854 | this._MarkCells( [refCell, nextCell], '_SizeTest' ) ; |
---|
855 | var refGeometry = this._GetMarkerGeometry( tableMap, rowIdx, colIdx, '_SizeTest' ) ; |
---|
856 | var nextGeometry = this._GetMarkerGeometry( tableMap, newRowIdx, colIdx, '_SizeTest' ) ; |
---|
857 | this._UnmarkCells( [refCell, nextCell], '_SizeTest' ) ; |
---|
858 | |
---|
859 | if ( refGeometry.width != nextGeometry.width || refGeometry.x != nextGeometry.x ) |
---|
860 | return null ; |
---|
861 | |
---|
862 | return { 'refCell' : refCell, 'nextCell' : nextCell, 'tableMap' : tableMap } ; |
---|
863 | } |
---|