common.js

/**
 * Enable any previously disabled button when any button is clicked.
 *
 * @param Object node
 * @param String selector
 *
 * @returns void
 */
function enableSiblings(node, selector){

	var sibling = node.previousSibling(selector);
	while( sibling != null) {
		sibling.setDisabled(false);
		var sibling = sibling.previousSibling(selector);
	}


	var sibling = node.nextSibling(selector);
	while( sibling != null) {
		sibling.setDisabled(false);
		var sibling = sibling.nextSibling(selector);
	}
}


/**
 * Enable all the buttons in a toolbar.
 * 
 * @param Object toolbar - The alias of an existing toolbar
 *
 * @returns void
 */
function enableToolbarButtons(toolbar)
{
    // Need to get all siblings of the add operator, it is only button that
    // is enabled by default on page load.
    var btns = Ext.ComponentQuery.query(toolbar + ' > button');
    
    Ext.Array.each(btns, function(button) {
    	button.enable();
    });
    
}

/**
 * Enable or disable all elements within the received array.
 * 
 * Elements of string can be Ext components or HTML ids
 *
 * @param Array items (array of strings or objects)
 * @param String action (enable or disable)
 * 
 * @returns void
 */
function toggleEnabled(items, action)
{
    items.forEach( function(item) {
    	
        if( ! Ext.isObject(item) )
        {
            // Query by alias
            var el = Ext.ComponentQuery.query(item);
            
            if( ! Ext.isEmpty(el) )
            {
            	toggleEnabled(el, action);
            } else
                {
                    // Query by id
                    var el = Ext.ComponentQuery.query('#' + item);

                    if( ! Ext.isEmpty(el) )
                    {
		            	toggleEnabled(el, action);
                    } else
                        {
                            console.log('Failed to query ' + item + ' in redisableItems');
                        }
                }
        } else
            {
                if( action == 'enable' )
                {
                	item.enable();	
                } else
                	{
                		item.disable();
                	}
            }
    });
}