ImageGrid/ui/crop.js
Alex A. Naanou 8dcafdcf0d refactoring files.js...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
2014-01-20 09:40:36 +04:00

442 lines
10 KiB
JavaScript
Executable File

/**********************************************************************
*
* Ribbon Crop API
*
*
**********************************************************************/
var CROP_STACK = []
var CROP_MODES = []
/******************************************************* Crop Data ***/
function isViewCropped(){
return CROP_STACK.length != 0
}
function getAllData(){
if(!isViewCropped()){
return DATA
} else {
return CROP_STACK[0]
}
}
// NOTE: this will not update .current state...
// NOTE: when keep_ribbons is set, this may generate empty ribbons...
// NOTE: this requieres all data to be present, if currently viewing
// server-side data, then cropping is a server-side operation...
// XXX another way to go here is to save the crop method and take
// it into account when loading new sections of data...
//
// XXX should this set the .current to anything but null or the first elem???
function makeCroppedData(gids, keep_ribbons, keep_unloaded_gids){
gids = fastSortGIDsByOrder(gids)
var res = {
varsion: DATA_VERSION,
current: null,
ribbons: [],
order: DATA.order.slice(),
}
// remove any gid that is not in IMAGES or is not loaded...
if(!keep_unloaded_gids){
var loaded = []
$.each(DATA.ribbons, function(i, e){ loaded = loaded.concat(e) })
// NOTE: if IMAGES contains only part of the data loadable this will
// be wrong...
gids = gids.filter(function(e){
return e in IMAGES && loaded.indexOf(e) >= 0
})
}
// flat single ribbon crop...
if(!keep_ribbons){
res.ribbons[0] = gids
// keep the ribbon structure...
} else {
$.each(DATA.ribbons, function(_, e){
e = e.filter(function(ee){ return gids.indexOf(ee) >= 0 })
// skip empty ribbons...
if(e.length != 0){
res.ribbons.push(e)
}
})
}
return res
}
// Crop data to given gids and set viewer state...
//
// Returns original state
//
// NOTE: if keep_ribbons is not set this will ALWAYS build a single ribbon
// data-set...
function cropDataTo(gids, keep_ribbons, keep_unloaded_gids){
var prev_state = DATA
var cur = DATA.current
var r = keep_ribbons ? getRibbonIndex() : 0
var new_data = makeCroppedData(gids, keep_ribbons, keep_unloaded_gids)
// do nothing if there is no change...
// XXX is there a better way to compare states???
if(JSON.stringify(DATA.ribbons) == JSON.stringify(new_data.ribbons)){
return DATA
}
CROP_STACK.push(prev_state)
DATA = new_data
cur = getGIDBefore(cur, r)
cur = cur == null ? DATA.ribbons[r][0] : cur
DATA.current = cur
reloadViewer()
updateImages()
return prev_state
}
function uncropData(){
if(!isViewCropped()){
return DATA
}
var prev_state = DATA
var cur = DATA.current
DATA = CROP_STACK.pop()
// check if cur exists in data being loaded...
if($.map(DATA.ribbons,
function(e, i){ return e.indexOf(cur) >= 0 }).indexOf(true) >= 0){
// keep the current position...
DATA.current = cur
}
reloadViewer()
updateImages()
return prev_state
}
function showAllData(){
var prev_state = DATA
var cur = DATA.current
if(CROP_STACK.length != 0){
DATA = getAllData()
CROP_STACK = []
// XXX do we need to check if this exists???
// ...in theory, as long as there are no global destructive
// operations, no.
// keep the current position...
DATA.current = cur
reloadViewer()
updateImages()
}
return prev_state
}
// Helpers for making crop modes and using crop...
// Make a generic crop mode toggler
//
// NOTE: This will add the toggler to CROP_MODES, for use by
// uncropLastState(...)
// NOTE: crop modes are exclusive -- it is not possible to enter one crop
// mode from a different crop mode
//
// XXX add "exclusive" crop option -- prevent other crop modes to enter...
function makeCropModeToggler(cls, crop){
var res = createCSSClassToggler(
'.viewer',
//cls + ' cropped-mode',
cls,
/* XXX make this an option...
function(action){
// prevent mixing marked-only and single-ribbon modes...
if(action == 'on'
&& isViewCropped()
&& res('?') != 'on'){
return false
}
},
*/
function(action){
if(action == 'on'){
showStatusQ('Cropping current ribbon...')
crop()
} else {
showStatusQ('Uncropping to all data...')
showAllData()
}
})
CROP_MODES.push(res)
return res
}
// Uncrop to last state and there is no states to uncrop then exit
// cropped mode.
//
// NOTE: this will exit all crop modes when uncropping the last step.
function uncropLastState(){
// do nothing if we aren't in a crop mode...
if(!isViewCropped()){
return
}
// exit cropped all modes...
if(CROP_STACK.length == 1){
$.each(CROP_MODES, function(_, e){ e('off') })
// ucrop one state...
} else {
showStatusQ('Uncropping...')
uncropData()
}
}
/**********************************************************************
* Dialogs...
*/
function cropImagesDialog(){
updateStatus('Crop...').show()
var alg = 'Crop ribbons: |'+
'Use Esc and Shift-Esc to exit crop modes.'+
'\n\n'+
'NOTE: all crop modes will produce a single ribbon unless\n'+
'otherwise stated.'
cfg = {}
cfg[alg] = [
'Marked images',
'Marked images (keep ribbons)',
'Bookmarked images',
'Bookmarked images (keep ribbons)',
'Current ribbon',
'Current ribbon and above | Will merge the images into a single ribbon.',
'Current ribbon and above (keep ribbons)'
]
formDialog(null, '',
cfg,
'OK',
'cropImagesDialog')
.done(function(res){
res = res[alg]
// NOTE: these must be in order of least-specific last...
if(/Marked.*keep ribbons/.test(res)){
var method = toggleMarkedOnlyWithRibbonsView
} else if(/Marked/.test(res)){
var method = toggleMarkedOnlyView
} else if(/Bookmarked.*keep ribbons/i.test(res)){
var method = toggleBookmarkedOnlyWithRibbonsView
} else if(/Bookmarked/.test(res)){
var method = toggleBookmarkedOnlyView
} else if(/Current ribbon and above.*keep ribbons/.test(res)){
var method = toggleCurrenAndAboveRibbonsMode
} else if(/Current ribbon and above/.test(res)){
var method = toggleCurrenAndAboveRibbonMode
} else if(/Current ribbon/.test(res)){
var method = toggleSingleRibbonMode
}
showStatusQ('Cropped: '+res+'...')
method('on')
})
.fail(function(){
showStatusQ('Crop: canceled.')
})
}
function filterImagesDialog(){
updateStatus('Filter...').show()
cfg = {}
cfg['GID |'
+'Use gid or gid tail part to find an\n'
+'image.\n'
+'\n'
+'NOTE: use of at least 6 characters is\n'
+'recommended.'] = ''
cfg['sep0'] = '---'
cfg['Name'] = ''
cfg['Path |'
+'This applies to the non-common\n'
+'part of the relative path only.'] = ''
cfg['Comment'] = ''
cfg['Tags |'
+'An image will match if at least\n'
+'one tag matches'] = ''
// XXX date...
cfg['Rotated'] = {select: [
'',
'no',
'90&deg; or 270&deg;',
'0&deg; or 180&deg;',
'90&deg; only',
'180&deg; only',
'270&deg; only'
]}
cfg['Flipped'] = {select: [
'',
'no',
'any',
'vertical',
'horizontal'
]}
cfg['sep1'] = '---'
cfg['Marked'] = {select: [
'',
'yes',
'no'
]}
cfg['Bookmarked'] = {select: [
'',
'yes',
'no'
]}
cfg['sep2'] = '---'
cfg['Ribbon'] = {select: [
'all',
'current only'
]}
cfg['Keep ribbons'] = false
formDialog(null,
'Filter images |'
+'All filter text fields support\n'
+'regular expressions.\n'
+'\n'
+'Prepending a "!" to any text filter\n'
+'will negate it, selecting unmatching\n'
+'images only.\n'
+'\n'
+'Only non-empty fields are used\n'
+'for filtering.',
cfg,
'OK',
'filterImagesDialog')
.done(function(res){
var gids
showStatusQ('Filtering...')
// XXX date...
var filter = {}
// build the filter...
for(var field in res){
// this will search for gid or gid part at the end of a gid...
if(/^GID/.test(field) && res[field].trim() != ''){
filter['id'] = res[field] + '$'
} else if(/^Name/.test(field) && res[field].trim() != ''){
filter['name'] = res[field]
} else if(/^Path/.test(field) && res[field].trim() != ''){
filter['path'] = res[field]
} else if(/^Comment/.test(field) && res[field].trim() != ''){
filter['comment'] = res[field]
} else if(/^Tags/.test(field) && res[field].trim() != ''){
filter['tags'] = res[field]
} else if(/^Rotated/.test(field) && res[field].trim() != ''){
if(res[field] == 'no'){
filter['orientation'] = '^0$|undefined|null'
} else if(/or/.test(res[field])){
filter['orientation'] = res[field]
.split('or')
.map(function(e){
e = parseInt(e)
if(e == 0){
return '^0$|undefined|null'
}
return e
})
.join('|')
} else {
filter['orientation'] = RegExp(parseInt(res[field]))
}
} else if(/^Flipped/.test(field) && res[field].trim() != ''){
if(res[field] == 'no'){
filter['flipped'] = 'undefined|null'
} else if(res[field] == 'any'){
filter['flipped'] = '.*'
} else {
filter['flipped'] = res[field]
}
} else if(/^Bookmarked/.test(field) && res[field].trim() != ''){
if(res[field] == 'yes'){
gids = getBookmarked(gids)
} else {
gids = getUnbookmarked(gids)
}
} else if(/^Marked/.test(field) && res[field].trim() != ''){
if(res[field] == 'yes'){
gids = getMarked(gids)
} else {
gids = getUnmarked(gids)
}
} else if(/^Ribbon/.test(field) && res[field].trim() != 'all'){
if(res[field] == 'current only'){
gids = getRibbonGIDs(gids)
}
}
}
var keep_ribbons = res['Keep ribbons']
gids = filterGIDs(filter, gids)
if(gids.length > 0){
cropDataTo(gids, keep_ribbons)
} else {
showStatusQ('Filter: nothing matched.')
}
})
.fail(function(){
showStatusQ('Filter: canceled.')
})
}
/**********************************************************************
* vim:set ts=4 sw=4 : */