Bug 17826 [Wizards] New folder wizard is very large if you are creating the folder in a container with a very long path
F1 1) Create a folder with a very long name 2) Select the folder and open the new folder wizard, it is very wide. Similar with new file The Java creation wizards do not have this problem.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/misc/ContainerSelectionGroup.java
.getFirstElement();
                    if(item == null)
                    	return;
                    if (treeViewer.getExpandedState(item))
                        treeViewer.collapseToLevel(item, 1);
                    else
                        treeViewer.expandToLevel(item, 1);
                }
            }
        });
        
        treeViewer.setInput(ResourcesPlugin.getWorkspace());
    }
    /**
     * Returns the currently entered container name.
     * Null if the field is empty. Note that the
     * container may not exist yet if the user
     * entered a new container name in the field.
     */
    public IPath getContainerFullPath() {
        if (allowNewContainerName) {
            String pathName = containerNameField.getText();
            if (pathName == null || pathName.length() < 1)
                return null;
            else
                
                return (new Path(pathName)).makeAbsolute();
        } else {
            if (selectedContainer == null)
                return null;