Ticket #140: moretools.2.js

(function() {

// duplicate original window (drastic, but anything else either prevents node insertion or throws an exception)
var originalWindow = document.lastChild.cloneNode(true);

function mungeMenus(event) {
    window.removeEventListener('DOMContentLoaded', mungeMenus, true);

    var toolsMenu=
        document.getElementById('menu_ToolsPopup') || // firefox
        document.getElementById('taskPopup') ;        // thunderbird

    var moreToolsMenu=document.getElementById('more-tools-menupopup');

    // Find the original tools menu popup
    var originalMenuPopups = originalWindow.getElementsByTagName("menupopup");
    var originalToolsMenu=null;
    for (i=0; i<originalMenuPopups.length; i++) {
        if (originalMenuPopups[i].id == "menu_ToolsPopup" || // firefox
            originalMenuPopups[i].id == "taskPopup") {       // thunderbird
            originalToolsMenu = originalMenuPopups[i];
        }
    }
    originalMenuPopups = null;
        
    var mungeFlag=false;
    
    // function to move menu item from tools menu to more tools menu
    var moveElem = function(el) {
        toolsMenu.removeChild(el);
        moreToolsMenu.appendChild(el);
        
        mungeFlag=true;
    }
    
    // loop through the original menu toolbar and the current menu toolbar.  Move anything
    // that's in the current one that wasn't there originally
    var i=0;
    for (j=0; j<originalToolsMenu.childNodes.length; j++) {
        while ((originalToolsMenu.childNodes[j].id != toolsMenu.childNodes[i].id) &&
                 (originalToolsMenu.childNodes[j].id != toolsMenu.childNodes[i].id)) {
        
            moveElem(toolsMenu.childNodes[i]);
        }
        i++;
    }
    
    // Move remaining menu items from tools menu
    while (i < toolsMenu.childNodes.length) {
        moveElem(toolsMenu.childNodes[i]);
    }       
   
    // don't need cloned window any more so get rid of it 
    originalToolsMenu = null;
    originalWindow = null;

    if (mungeFlag) {
        // we did munge something into this menu; remove the label and separator
        document.getElementById('more-tools-label').setAttribute('hidden', true);
        document.getElementById('more-tools-sep').setAttribute('hidden', true);
    }
}


window.addEventListener('DOMContentLoaded', mungeMenus, true);


})();