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reworking file API...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-06-06 19:38:13 +04:00
parent 851cbb8cc2
commit 6cce53277b
2 changed files with 162 additions and 104 deletions
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1
ui/TODO.otl
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@ -161,6 +161,7 @@ Roadmap
| ribbon length: ~42
| screen width: 4
| jumping to end from start of ribbon
[_] side-by side view...
[_] ASAP: test on Android...
[_] single image mode transition (alpha-blend/fade/none)
[_] 75% image sorting (date/name/...)

225
ui/data.js
View File

@ -1188,18 +1188,18 @@ function saveLocalStorage(attr){
* XXX need to cleanup this section...
*/
// XXX needs testing...
// XXX use a config object instead of positional arguments...
function loadLatestFile(path, dfl, pattern, diff_pattern, report){
function loadLatestFile(path, dfl, pattern, diff_pattern){
dfl = dfl == null ? path.split(/[\/\\]/).pop() : dfl
path = path == dfl ? '.' : path
var error
var res = $.Deferred()
// can't find diffs if can't list dirs...
if(window.listDir == null && (pattern != null || diff_pattern != null)){
report && showErrorStatus(report, 'no directory listing support.')
return res.reject()
res.notify('unsupported', 'directory listing.')
return res.reject('listDir unsupported.')
}
// find the latest...
@ -1209,17 +1209,12 @@ function loadLatestFile(path, dfl, pattern, diff_pattern, report){
return pattern.test(e) ? e : null
}).sort().reverse()[0]
}
file = file == null ? dfl : file
report && showStatus(report, 'Loading:', file)
file = path +'/'+ file
var file = file == null ? dfl : file
var diff_data = {}
var diff = true
// collect and merge diffs...
// XXX no error handling if one of the diff loads fail...
if(diff_pattern != null){
diff_pattern = RegExp(diff_pattern)
var diff_data = [diff_data]
@ -1228,14 +1223,16 @@ function loadLatestFile(path, dfl, pattern, diff_pattern, report){
}).sort()
diff = $.when.apply(null, $.map(diffs_names, function(e, i){
return $.getJSON(path +'/'+ e)
// XXX this is ugly, had to do it this way as .then(...)
// handlers get different argument sets depending on
// whether we have one or more deffereds here...
.done(function(data){
diff_data[i+1] = data
report && showStatus(report, 'Loaded:', e)
res.notify('loaded', e)
})
.fail(function(){
res.notify('load_error', e)
})
}))
// NOTE: .then(...) handlers get different signature args
// depending on the number of arguments to .when(...)...
.then(function(){
$.extend.apply(null, diff_data)
diff_data = diff_data[0]
@ -1243,28 +1240,57 @@ function loadLatestFile(path, dfl, pattern, diff_pattern, report){
}
// load the main file and merge the diff with it...
$.when(diff, $.getJSON(file))
$.when(diff, $.getJSON(path +'/'+ file))
.done(function(_, json){
json = json[0]
res.notify('loaded', file)
// merge diffs...
if(Object.keys(diff_data).length != 0){
$.extend(json, diff_data)
report && showStatus(report, 'Merged diffs...')
res.notify('merged')
}
res.resolve(json)
report && showStatus(report, 'Done.')
})
.fail(function(){
report && showErrorStatus(report, 'Loading: ' + file)
return res.reject()
res.notify('load_error', file)
return res.reject(file)
})
return res
}
function statusNotify(prefix, loader){
return loader
.progress(function(action, data){
({
load: function(data){
showStatus(prefix, 'Loading:', data)
},
loaded: function(data){
showStatus(prefix, 'Loaded:', data)
},
merged: function(data){
showStatus(prefix, 'Merging:', 'Done.')
},
load_error: function(data){
showErrorStatus(prefix, 'Loading:', data)
},
unsupported: function(data){
showErrorStatus(prefix, 'Unsupported:', data)
},
})[action](data)
})
.done(function(){
showStatus(prefix, 'Done.')
})
}
// load the target-specific handlers...
// CEF
if(window.CEF_dumpJSON != null){
@ -1284,7 +1310,11 @@ function loadFileImages(path, no_load_diffs, callback){
// default locations...
if(path == null){
var base = normalizePath(CACHE_DIR)
var res = loadLatestFile(base, IMAGES_FILE_DEFAULT, IMAGES_FILE_PATTERN, IMAGES_DIFF_FILE_PATTERN, 'Images:')
var res = statusNotify('Images:',
loadLatestFile(base,
IMAGES_FILE_DEFAULT,
IMAGES_FILE_PATTERN,
IMAGES_DIFF_FILE_PATTERN))
// explicit path...
// XXX need to account for paths without a CACHE_DIR
@ -1294,7 +1324,10 @@ function loadFileImages(path, no_load_diffs, callback){
base += '/'+ CACHE_DIR
// XXX is this correct???
var res = loadLatestFile(base, path.split(base)[0], RegExp(path.split(base)[0]), null, 'Images:')
var res = statusNotify('Images:',
loadLatestFile(base,
path.split(base)[0],
RegExp(path.split(base)[0])))
}
res.done(function(images){
@ -1304,8 +1337,6 @@ function loadFileImages(path, no_load_diffs, callback){
return res
}
// Save current images list...
//
// NOTE: this will save the merged images and remove the diff files...
@ -1342,7 +1373,10 @@ function loadFileMarks(path, callback){
// default locations...
if(path == null){
var base = normalizePath(CACHE_DIR)
var res = loadLatestFile(base, MARKED_FILE_DEFAULT, MARKED_FILE_PATTERN, null, 'Marks:')
var res = statusNotify('Marks:',
loadLatestFile(base,
MARKED_FILE_DEFAULT,
MARKED_FILE_PATTERN))
// explicit path...
// XXX need to account for paths without a CACHE_DIR
@ -1352,7 +1386,10 @@ function loadFileMarks(path, callback){
base += '/'+ CACHE_DIR
// XXX is this correct???
var res = loadLatestFile(base, path.split(base)[0], RegExp(path.split(base)[0]), 'Marks:')
var res = statusNotify('Marks:',
loadLatestFile(base,
path.split(base)[0],
RegExp(path.split(base)[0])))
}
res.done(function(images){
@ -1362,15 +1399,31 @@ function loadFileMarks(path, callback){
return res
}
// XXX save marks...
function saveFileMarks(name){
name = name == null ? normalizePath(CACHE_DIR +'/'+ Date.timeStamp()) : name
dumpJSON(name + '-marked.json', MARKED)
}
function loadFileState(data_path, callback){
var base = data_path.split(CACHE_DIR)[0]
base = base == data_path ? '.' : base
// XXX add support for explicit filenames...
function loadFileState(path){
// XXX explicit data file path...
if(/\.json$/i.test(path)){
// XXX at this
var base = path.split(CACHE_DIR)[0]
base = base == path ? '.' : base
} else {
var base = path.split(CACHE_DIR)[0]
base = base == path ? '.' : base
}
var res = $.Deferred()
$.getJSON(data_path)
statusNotify('Data:',
loadLatestFile(path,
DATA_FILE_DEFAULT,
DATA_FILE_PATTERN))
.done(function(json){
BASE_URL = base
@ -1381,38 +1434,36 @@ function loadFileState(data_path, callback){
IMAGES = json.images
MARKED = []
reloadViewer()
res.resolve()
// version 2.0
} else if(json.version == '2.0') {
DATA = json
$.when(
// XXX load config...
// load images...
loadFileImages(DATA.image_file == null ?
normalizePath(DATA.image_file, base)
: null),
// load marks if available...
// XXX do we need to do this???
loadFileMarks())
.done(function(){
reloadViewer()
callback != null && callback()
res.resolve()
})
// unknown format...
} else {
showStatus('Unknown format.')
return
res.reject('unknown format.')
}
})
.fail(function(){
showErrorStatus('Loading:', data_path)
res.reject('load_error', path)
})
return res
}
function saveFileState(name, no_normalize_path){
name = name == null ? Date.timeStamp() : name
@ -1429,7 +1480,7 @@ function saveFileState(name, no_normalize_path){
dumpJSON(name + '-data.json', DATA)
// XXX do we need to do this???
dumpJSON(name + '-marked.json', MARKED)
saveFileMarks(name)
// save the updated images...
if(IMAGES_UPDATED.length > 0){
@ -1456,78 +1507,84 @@ function saveFileState(name, no_normalize_path){
//
// XXX this will not load the marks file...
// XXX make sure that save works...
// XXX might be good to split this into loadFileData and loadDir...
// XXX use loadLatestFile(...)...
function loadDir(path, raw_load){
function loadDir(path){
path = normalizePath(path)
var orig_path = path
var data
var res = $.Deferred()
showStatus('Loading:', path)
res.notify('load', path)
var files = listDir(path)
if(files == null){
showErrorStatus('No files in path: ' + path)
return
//showErrorStatus('No files in path: ' + path)
res.notify('load_error', path)
return res.reject()
}
if(!raw_load){
data = $.map(files, function(e){
return DATA_FILE_PATTERN.test(e) ? e : null
}).sort().reverse()[0]
data = (data == null && files.indexOf(DATA_FILE_DEFAULT) >= 0) ? DATA_FILE_DEFAULT : data
// look in the cache dir...
if(data == null){
path += '/' + CACHE_DIR
files = listDir(path)
if(files != null){
data = $.map(listDir(path), function(e){
return DATA_FILE_PATTERN.test(e) ? e : null
}).sort().reverse()[0]
data = (data == null && files.indexOf(DATA_FILE_DEFAULT) >= 0) ? DATA_FILE_DEFAULT : data
}
}
if(files.indexOf(CACHE_DIR) >= 0){
path = path +'/'+ CACHE_DIR
}
// load the found data file...
if(data != null){
showStatus('Loading:', data)
data = path + '/' + data
// marks...
// XXX see if there's a marks file...
MARKED = []
return loadFileState(data)
.always(function(){
showStatus('Done.')
statusNotify('Dir:', loadFileState(path))
//.progress(function(action, data){
// res.notify(action, data)
//})
.done(function(){
res.resolve()
})
.fail(function(){
statusNotify('Raw dir:', loadRawDir(orig_path))
.done(function(){
res.resolve()
})
.fail(function(){
res.reject()
})
// load the dir as-is...
} else {
files = listDir(orig_path)
})
return res
}
// XXX check if we need to pass down sorting settings to the generators...
function loadRawDir(path){
var files = listDir(path)
var res = $.Deferred()
var image_paths = $.map(files, function(e){
return IMAGE_PATTERN.test(e) ? e : null
})
if(image_paths.length == 0){
showErrorStatus('No images in:', orig_path)
return
//showErrorStatus('No images in:', path)
res.notify('load_error', path)
return res.reject()
}
BASE_URL = path
IMAGES = imagesFromUrls(image_paths)
res.notify('loaded', 'images.')
DATA = dataFromImages(IMAGES)
BASE_URL = orig_path
res.notify('loaded', 'data.')
DATA.ribbons = ribbonsFromFavDirs()
res.notify('loaded', 'fav dirs.')
MARKED = []
sortImagesByDate()
reloadViewer()
showStatus('Done.')
}
return res.resolve()
}