oops! ..forgot to add the bookmarks.js file :))))

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

ui/bookmarks.js

@@ -0,0 +1,192 @@
+/**********************************************************************
+* 
+*
+*
+**********************************************************************/
+
+// list of bookmarked gids...
+var BOOKMARKS= [] 
+
+// bookmark data
+//
+// NOTE: elements are added here only when some data is set, use 
+// 		BOOKMARKS, as the main structure.
+var BOOKMARKS_DATA = {
+}
+
+var BOOKMARKS_FILE_DEFAULT = 'bookmarked.json'
+var BOOKMARKS_FILE_PATTERN = /^[0-9]*-bookmarked.json$/
+
+
+
+
+/**********************************************************************
+* Helpers
+*/
+
+// XXX argument processing...
+function getBookmarkedGIDBefore(gid){
+	if(BOOKMARKS.length == 0){
+		return null
+	}
+	gid = gid == null ? getImageGID() : gid
+	var prev
+
+	// need to account for cropping here...
+	do {
+		prev = getGIDBefore(gid, BOOKMARKS)
+		gid = getGIDBefore(prev)
+	} while(prev != gid && prev != null)
+
+	// no bookmarks before current image...
+	if(prev == null){
+		return prev
+	}
+
+	return prev
+}
+
+
+
+/*********************************************************************/
+
+function cropBookmarkedImages(cmp, keep_ribbons, no_cleanout_marks){
+	cropDataTo(BOOKMARKS.slice(), keep_ribbons, no_cleanout_marks)
+
+	return DATA
+}
+
+
+// update image bookmark state...
+var updateBookmarkedImageMark = makeMarkUpdater(
+		'bookmarked',
+		'bookmark', 
+		function(gid){ 
+			return BOOKMARKS.indexOf(gid) > -1 
+		})
+IMAGE_UPDATERS.push(updateBookmarkedImageMark)
+
+
+
+/*********************************************************************/
+// XXX not sure that these should be modes...
+
+var toggleBookmarkedOnlyView = makeCropModeToggler(
+		'bookmarked-only-view',
+		cropBookmarkedImages)
+
+
+var toggleBookmarkedOnlyWithRibbonsView = makeCropModeToggler(
+		'bookmarked-only-view',
+		function(){
+			cropBookmarkedImages(null, true)
+		})
+
+
+
+/**********************************************************************
+* Actions
+*/
+
+// NOTE: this can be called without arguments (affects current image) or
+// 		passed either an image object or a gid...
+var toggleBookmark = makeMarkToggler(
+		'bookmarked', 
+		'bookmark', 
+		'togglingBookmark')
+
+
+// focus previous bookmark...
+//
+function nextBookmark(){
+	if(BOOKMARKS.length == 0){
+		flashIndicator('end')
+		return getImage()
+	}
+	var cur = getImageGID()
+	var next = getBookmarkedGIDBefore(cur)
+	var i = BOOKMARKS.indexOf(next)+1
+
+	// we are before the first loaded bookmark, find the first...
+	while((next == cur || next == null) && i < BOOKMARKS.length){
+		next = BOOKMARKS[i]
+		next = getBookmarkedGIDBefore(next)
+		i++
+	}
+
+	// did not find any loaded bookmarks after...
+	if(i >= BOOKMARKS.length && (next == null || next == cur)){
+		flashIndicator('end')
+		return getImage(cur)
+	}
+
+	return showImage(next)
+}
+
+
+// focus previous bookmark...
+//
+function prevBookmark(){
+	if(BOOKMARKS.length == 0){
+		flashIndicator('start')
+		return getImage(cur)
+	}
+	var cur = getImageGID()
+	var prev = getBookmarkedGIDBefore(cur)
+
+	// nothing bookmarked before us...
+	if(prev == null){
+		flashIndicator('start')
+		return getImage(cur)
+	}
+
+	// current image is bookmarked, get the bookmark before it...
+	if(prev == cur){
+		prev = BOOKMARKS[BOOKMARKS.indexOf(prev)-1]
+		prev = prev != null ? getBookmarkedGIDBefore(prev) : prev
+		// no loaded (crop mode?) bookmark before us...
+		if(prev == null){
+			flashIndicator('start')
+			return getImage(cur)
+		}
+	}
+
+	return showImage(prev)
+}
+
+
+
+/*********************************************************************/
+
+// setup event handlers for the bookmark framework...
+//
+function setupBookmarks(viewer){
+	console.log('Bookmarks: setup...')
+	return viewer
+		.on('togglingBookmark', function(evt, gid, action){
+			// add a bookmark...
+			if(action == 'on'){
+				if(BOOKMARKS.indexOf(gid) == -1){
+					BOOKMARKS.push(gid)
+					// XXX is this too expensive???
+					// 		...a way to avoid sorting is to:
+					// 			BOOKMARKS.splice(
+					// 				getGIDBefore(gid, BOOKMARKS)+1, 0, gid)
+					BOOKMARKS.sort(imageOrderCmp)
+				}
+
+			// remove a bookmark...
+			} else {
+				BOOKMARKS.splice(BOOKMARKS.indexOf(gid), 1)
+			}
+		})
+		.on('sortedImages', function(){
+			BOOKMARKS.sort(imageOrderCmp)
+		})
+}
+SETUP_BINDINGS.push(setupBookmarks)
+
+
+
+/**********************************************************************
+* vim:set ts=4 sw=4 :                                                */