This is based off of trail maps and descriptions. I have not run it by anyone. Please let me know if you see any problems for this backpacking trip scheduled for next week (like having river crossings that won't be possible due to snow-melt)...
start Yosemite Valley, Happy Isles Trailhead
Mist Trail (past Nevada Falls)
John Muir Trail through Little Yosemite Valley
Half-dome side trip
Cloud's Rest trail to Tenaya Lake (end of 3rd day)
Hike around east side of lake to north end where trail heads due north
hike north to Glen Aulin (end of 4th day)
Hike down Grand Canyon of the Tuolomne
Turn south to Lukens Lake (before reaching Harden Lake)
(or continue to Hetch Hetchy and hitchhike back to valley)
Hike past Yosemite Falls into valley (end of 7th day)
too ambitious??