add table cell text alignment.

lib/widget.js

@@ -6804,6 +6804,9 @@ function Table(options) {
     ? options.pad
     : 2;
 
+  this.__align = options.align || 'center';
+  delete this.align;
+
   this.setData(options.rows || options.data);
 }
 
@@ -6856,17 +6859,28 @@ Table.prototype.setData = function(rows) {
       var width = maxes[i];
 
       if (i !== 0) {
-        // text += '\u2502'; // '│'
         text += generateTags(self.style.border, '\u2502'); // '│'
       }
 
       while (self._cellLength(cell) < width) {
-        cell = ' ' + cell + ' ';
+        if (self.__align === 'center') {
+          cell = ' ' + cell + ' ';
+        } else if (self.__align === 'left') {
+          cell = cell + ' ';
+        } else if (self.__align === 'right') {
+          cell = ' ' + cell;
+        }
       }
 
       if (self._cellLength(cell) > width) {
-        // cell = cell.slice(0, -1);
-        cell = cell.substring(1);
+        if (self.__align === 'center') {
+          // cell = cell.slice(0, -1);
+          cell = cell.substring(1);
+        } else if (self.__align === 'left') {
+          cell = cell.slice(0, -1);
+        } else if (self.__align === 'right') {
+          cell = cell.substring(1);
+        }
       }
 
       // XXX Workaround

test/widget-table.js

@@ -12,6 +12,7 @@ var table = blessed.table({
   left: 'center',
   data: null,
   border: 'line',
+  align: 'center',
   style: {
     border: {
       fg: 'red'