Drain pineapple, reserving 1 cup juice'; set pineapple aside. In a large saucepan, combine the pudding mix, pineapple juice and orange juice. Cook and stir over medium heat until mixture boils and thickens. Remove from the heat; cool. In a large bowl, combine the pineapple, melons, berries, grapes and bananas. Drizzle with pudding mixture. Refrigerate until serving.