| | 105 | // Calculate the padding of a table cell. |
| | 106 | // It returns the value of paddingLeft + paddingRight of a table cell. |
| | 107 | // This function is used, in part, to calculate the width parameter that should be used for setting cell widths. |
| | 108 | // The equation in question is clientWidth = paddingLeft + paddingRight + width. |
| | 109 | // So that width = clientWidth - paddingLeft - paddingRight. |
| | 110 | // The return value of this function must be pixel accurate acorss all supported browsers, so be careful if you need to modify it. |
| | 111 | "_GetCellPadding" : function( table, cell ) |
| | 112 | { |
| | 113 | var attrGuess = parseInt( table.cellPadding ) * 2 ; |
| | 114 | var cssGuess = null ; |
| | 115 | if ( typeof( window.getComputedStyle ) == "function" ) |
| | 116 | { |
| | 117 | var styleObj = window.getComputedStyle( cell, null ) ; |
| | 118 | cssGuess = parseInt( styleObj.getPropertyValue( "padding-left" ) ) + |
| | 119 | parseInt( styleObj.getPropertyValue( "padding-right" ) ) ; |
| | 120 | } |
| | 121 | else |
| | 122 | cssGuess = parseInt( cell.currentStyle.paddingLeft ) + parseInt (cell.currentStyle.paddingRight ) ; |
| | 123 | |
| | 124 | var cssRuntime = cell.style.padding ; |
| | 125 | if ( parseInt( cssRuntime ) == parseInt( cssRuntime ) ) |
| | 126 | cssGuess = parseInt( cssRuntime ) * 2 ; |
| | 127 | else |
| | 128 | { |
| | 129 | cssRuntime = cell.style.paddingLeft ; |
| | 130 | if ( parseInt( cssRuntime ) == parseInt( cssRuntime ) ) |
| | 131 | cssGuess = parseInt( cssRuntime ) ; |
| | 132 | cssRuntime = cell.style.paddingRight ; |
| | 133 | if ( parseInt( cssRuntime ) == parseInt( cssRuntime ) ) |
| | 134 | cssGuess += parseInt( cssRuntime ) ; |
| | 135 | } |
| | 136 | |
| | 137 | attrGuess = parseInt( attrGuess ) ; |
| | 138 | cssGuess = parseInt( cssGuess ) ; |
| | 139 | if ( attrGuess != attrGuess ) |
| | 140 | attrGuess = 0 ; |
| | 141 | if ( cssGuess != cssGuess ) |
| | 142 | cssGuess = 0 ; |
| | 143 | return Math.max( attrGuess, cssGuess ) ; |
| | 144 | }, |
| | 145 | // Calculate the real width of the table cell. |
| | 146 | // The real width of the table cell is the pixel width that you can set to the width attribute of the table cell and after |
| | 147 | // that, the table cell should be of exactly the same width as before. |
| | 148 | // The real width of a table cell can be calculated as: |
| | 149 | // width = clientWidth - paddingLeft - paddingRight. |
| | 150 | "_GetCellWidth" : function( table, cell ) |
| | 151 | { |
| | 152 | var clientWidth = parseInt( cell.clientWidth ) ; |
| | 153 | if ( clientWidth != clientWidth ) // NaN possible? lets just be safe... |
| | 154 | clientWidth = 0 ; |
| | 155 | return clientWidth - FCKDragTableHandler._GetCellPadding( table, cell ) ; |
| | 156 | }, |
