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Added columnClassFunc option to specify class selectors for column sizin... #133

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8 changes: 8 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,14 @@ Columnizer will add CSS classes to the columns it creates. Each column will have
<td style="text-align: right; padding-right: 10px;"><em>manualBreaks</em></td>
<td style="padding-left: 10px;">Defaults to false. Set to true if you only want to create columns with manual column breaks. If true, then width, height, columns options are ignored.</td>
</tr>
<tr>
<td style="text-align: right; padding-right: 10px;"><em>columnClassFunc</em></td>
<td style="padding-left: 10px;">Optional function that will be called for each column to generate custom class selectors for sizing instead of inline width.<br>Eg: columnClassFunc: function(col) { return "grid-" + (12/col); }</td>
</tr>
<tr>
<td style="text-align: right; padding-right: 10px;"><em>extraColumnClass</em></td>
<td style="padding-left: 10px;">Extra classes to add to each column.</td>
</tr>
</tbody>
</table>

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20 changes: 15 additions & 5 deletions src/jquery.columnizer.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// version 1.6.0
// version 1.6.1
// http://welcome.totheinter.net/columnizer-jquery-plugin/
// created by: Adam Wulf @adamwulf, [email protected]

Expand Down Expand Up @@ -38,7 +38,11 @@
manualBreaks : false,
// previx for all the CSS classes used by this plugin
// default to empty string for backwards compatibility
cssClassPrefix : ""
cssClassPrefix : "",
// if set use columnClassFunc(colNum) to set width's with custom classes instead of fixed percentiles
columnClassFunc: false,
// extra classes to add to each column wrapper
extraColumnClass: false
};
options = $.extend(defaults, options);

Expand Down Expand Up @@ -301,6 +305,7 @@
+ prefixTheClassName("first") + " "
+ prefixTheClassName("last") + " "
+ prefixTheClassName("column") + " "
+ options.extraColumnClass + " "
+ "' style='width:100%; float: " + options.columnFloat + ";'></div>")); //"
$col = $inBox.children().eq($inBox.children().length-1);
$destroyable = $cache.clone(true);
Expand Down Expand Up @@ -396,9 +401,12 @@
if($inBox.data("columnizing")) return;
$inBox.data("columnized", true);
$inBox.data("columnizing", true);

var targetWidth = !options.columnClassFunc ? "width:" + (Math.floor(100 / numCols))+ "%; " : "";
var targetClass = options.columnClassFunc ? options.columnClassFunc(numCols) : "";

$inBox.empty();
$inBox.append($("<div style='width:" + (Math.floor(100 / numCols))+ "%; float: " + options.columnFloat + ";'></div>")); //"
$inBox.append($("<div class='" + targetClass + "'" + targetWidth + "float: " + options.columnFloat + ";'></div>"));
$col = $inBox.children(":last");
$col.append($cache.clone());
maxHeight = $col.height();
Expand Down Expand Up @@ -441,15 +449,17 @@
className = (i === 0) ? prefixTheClassName("first") : "";
className += " " + prefixTheClassName("column");
className = (i == numCols - 1) ? (prefixTheClassName("last") + " " + className) : className;
$inBox.append($("<div class='" + className + "' style='width:" + (Math.floor(100 / numCols))+ "%; float: " + options.columnFloat + ";'></div>")); //"
className += options.extraColumnClass ? " " + options.extraColumnClass : "";
className += options.columnClassFunc ? " " + targetClass : "";
$inBox.append($("<div class='" + className + "' style='" + targetWidth + "float: " + options.columnFloat + ";'></div>"));
}

// fill all but the last column (unless overflowing)
i = 0;
while(i < numCols - (options.overflow ? 0 : 1) || scrollHorizontally && $destroyable.contents().length){
if($inBox.children().length <= i){
// we ran out of columns, make another
$inBox.append($("<div class='" + className + "' style='width:" + (Math.floor(100 / numCols))+ "%; float: " + options.columnFloat + ";'></div>")); //"
$inBox.append($("<div class='" + className + "' style='" + targetWidth + "float: " + options.columnFloat + ";'></div>"));
}
$col = $inBox.children().eq(i);
if(scrollHorizontally){
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