mirror of
https://github.com/flynx/ImageGrid.git
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737 lines
17 KiB
JavaScript
Executable File
737 lines
17 KiB
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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define(function(require){ var module = {}
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//var DEBUG = DEBUG != null ? DEBUG : true
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/*********************************************************************/
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// convert JS arguments to Array...
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var args2array =
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module.args2array =
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function(args){
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//return Array.apply(null, args)
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return [].slice.call(args)
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}
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// Quote a string and convert to RegExp to match self literally.
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var quoteRegExp =
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module.quoteRegExp =
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function(str){
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return str.replace(/([\.\\\/\(\)\[\]\$\*\+\-\{\}\@\^\&\?\<\>])/g, '\\$1')
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}
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// XXX do we need to quote anything else???
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var path2url =
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module.path2url =
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function(path){
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// test if we have a schema, and if yes return as-is...
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if(/^(http|https|file|[\w-]*):[\\\/]{2}/.test(path)){
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return path
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}
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// skip encoding windows drives...
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var drive = path.split(/^([a-z]:[\\\/])/i)
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path = drive.pop()
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drive = drive.pop() || ''
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return drive + (path
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.split(/[\\\/]/g)
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// XXX these are too aggressive...
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//.map(encodeURI)
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//.map(encodeURIComponent)
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.join('/')
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// NOTE: keep '%' the first...
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//.replace(/%/g, '%25')
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.replace(/#/g, '%23')
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.replace(/&/g, '%26'))
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}
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// NOTE: we are not using node's path module as we need this to work in
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// all contexts, not only node... (???)
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var normalizePath =
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module.normalizePath =
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function(path){
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return typeof(path) == typeof('str') ? path
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// normalize the slashes...
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.replace(/(\/)/g, '/')
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// remove duplicate '/'
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.replace(/(\/)\1+/g, '/')
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// remove trailing '/'
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.replace(/\/+$/, '')
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// take care of .
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.replace(/\/\.\//g, '/')
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.replace(/\/\.$/, '')
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// take care of ..
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.replace(/\/[^\/]+\/\.\.\//g, '/')
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.replace(/\/[^\/]+\/\.\.$/, '')
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: path
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}
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/*********************************************************************/
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// func -> [{attr|alt: unit, ..}, ..]
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var _transform_parse = {
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// 2d transforms:
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//martix: [],
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translate: [{'left|0': 'px', 'top|0': 'px'}],
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translateX: [{'left|x': 'px'}],
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translateY: [{'top|y': 'px'}],
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scale: [
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{scale: null},
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{'scaleX|scale': null, 'scaleY|scale': null},
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],
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scaleX: [{'scaleX': null}],
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scaleY: [{'scaleY': null}],
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rotate: [{'rotate': 'deg'}],
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skew: [{'skewX': 'px', 'skewY': 'px'}],
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skewX: [{'skewX': 'px'}],
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skewY: [{'skewY': 'px'}],
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// 3d transforms:
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//martix3d: [],
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translate3d: [{'x|0': 'px', 'y|0': 'px', 'z|0': 'px'}],
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translateZ: [{'z': 'px'}],
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scale3d: [{'scaleX': null, 'scaleY': null, 'scaleZ': null}],
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scaleZ: [{'scaleZ': null}],
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// XXX
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//rotate3d: [x, y, z, angle]],
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// rotateX
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// rotateY
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// rotateZ
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perspective: [{'perspective': null}],
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}
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// attr -> [alt, ..]
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var _transform_parse_alt = {}
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// attr -> [func, ..]
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var _transform_parse_func = {}
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Object.keys(_transform_parse).forEach(function(func){
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_transform_parse[func].forEach(function(variant){
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Object.keys(variant).forEach(function(arg){
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var alt = arg.split(/\|/g)
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var arg = alt.shift()
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_transform_parse_func[arg] = _transform_parse_func[arg] || []
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_transform_parse_func[arg].push(func)
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_transform_parse_alt[arg] = _transform_parse_alt[arg] || []
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if(alt.length > 0){
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_transform_parse_alt[arg] = (_transform_parse_alt[alt] || [])
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.concat(alt)
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.unique()
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}
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})
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})
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})
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// XXX get vendor...
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//
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// Set element transform...
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// .transform({..})
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// -> element
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//
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// Get element transform...
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// .transform()
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// .transform(<attr>[, ...])
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// .transform([<attr>, ...])
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// -> data
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//
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// Supported transformations:
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// x/y/z
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// scale
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// scaleX/scaleY
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// origin
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// originX/originY
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//
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// NOTE: pixel values are converted to numbers and back by default...
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//
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//
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// XXX this should consist of:
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// - transform string parser -> functions format
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// - functions format generator ***
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// - generate single value functions (scaleX(), translateZ(), ...)
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// - optionally merge into multivalue funcs (scale(), translate3d(), ...)
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// - transform string generator
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//
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// XXX BUG: does not work with empty initial state, i.e. without
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// transforms set...
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// XXX this will get/set values only on the first element, is this correct???
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// XXX how do we combine translate(..) and translate3d(..)???
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jQuery.fn.transform = function(){
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var that = $(this)
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var args = args2array(arguments)
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// XXX get the browser prefix...
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var prefix = ''
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// normalize...
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args = args.length == 0
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|| typeof(args[0]) == typeof('str') ? args
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: args[0].constructor === Array
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|| args.length == 1 ? args[0]
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: args
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var elem = $(this)[0]
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var origin_str = elem ? elem.style[prefix + 'transformOrigin'] : ''
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var transform_str = elem ? elem.style[prefix + 'transform'] : ''
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// origin...
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var origin = origin_str
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.split(/\s+/)
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// XXX add this to transform...
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// build the current state...
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// NOTE: we'll need this for both fetching (parsing) and writing
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// (checking)...
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var transform = {}
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var functions = {}
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var attrs = {}
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//var implicit = {}
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//var implicit_attrs = {}
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// transform...
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transform_str
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// split functions...
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.split(/(\w+\([^\)]*)\)/)
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// remove empty strings...
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.filter(function(e){ return e.trim().length > 0})
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// split each function...
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.map(function(e){ return e
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// split args...
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.split(/\s*[\(,\s]\s*/)
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// cleanup...
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.filter(function(e){ return e.trim().length > 0 }) })
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// build the structure...
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.forEach(function(data){
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var func = data.shift()
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var args = data
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// XXX do we care about function vendor tags here???
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var spec = _transform_parse[func]
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functions[func] = args
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// we do not know this function...
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if(spec == null){
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transform[func] = [args]
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} else {
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var seen = []
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transform[func] = []
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var proc = function(res, attrs, explicit){
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return function(s){
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var keys = Object.keys(s)
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// skip non-matching signatures...
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// XXX is this correct???
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if(explicit && keys.length != args.length){
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return
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}
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var data = {}
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res.push(data)
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keys.forEach(function(e, i){
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if(args[i] == null){
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return
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}
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var alternatives = e.split(/\|/g)
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var k = alternatives.shift().trim()
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var val = args[i].slice(-2) == 'px'
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|| /^[0-9\.]+$/.test(args[i]) ?
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parseFloat(args[i])
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: args[i]
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var unit = args[i].split(val+'').pop()
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attrs[k] = function(v, d){
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v = v || val
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d = d || data
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// set attrs -- for getting data...
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d[k] = v
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// set funcs -- for setting data...
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functions[func][i] = typeof(v) == typeof('str') ?
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v
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: v + unit
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return v
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}
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attrs[k]()
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})
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}
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}
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spec.forEach(proc(transform[func], attrs, true))
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}
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})
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// handler origin...
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if(origin_str != ''){
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transform['origin'] = [origin_str.split(/\s+/g)
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.map(function(e){
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return e.slice(-2) == 'px'
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|| /^[0-9\.]+$/.test(e) ?
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parseFloat(e)
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: e
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})]
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}
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// get data...
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// functions -> transform
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if(args.constructor === Array){
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var res = {}
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// get everything set...
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if(args.length == 0){
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Object.keys(attrs).forEach(function(k){ attrs[k](null, res) })
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return res
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}
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args.forEach(function(arg){
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do {
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// we got an explicitly defined attr name...
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if(arg in attrs){
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res[arg] = attrs[arg]()
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break
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}
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// we got a explicit function name...
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if(arg in transform){
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res[arg] = transform[arg][0]
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break
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}
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// we got an implicitly defined function...
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if(arg in _transform_parse){
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// XXX
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}
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// search for aliases...
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if(arg in _transform_parse_alt){
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arg = _transform_parse_alt[arg][0]
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}
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break
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} while(arg in _transform_parse_alt
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|| arg in attrs
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|| arg in transform)
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})
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if(args.length == 1){
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return res[Object.keys(res)[0]]
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}
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return res
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// set data...
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// transform -> functions
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} else {
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// empty elem...
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if(that.length == 0){
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return that
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}
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Object.keys(args).forEach(function(arg){
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var val = args[arg]
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// special case: origin...
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if(arg == 'origin'){
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transform['origin'] = val
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// full function...
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} else if(arg in _transform_parse){
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if(val == ''){
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delete functions[arg]
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} else {
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val = val instanceof Array ? val : [val]
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var units = _transform_parse[arg]
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.filter(function(s){
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return Object.keys(s).length == val.length })[0]
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functions[arg] = val.map(function(a, i){
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var u = units[Object.keys(units)[i]] || ''
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return typeof(a) != typeof('str') ? a + u : a })
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}
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// got an arg...
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} else if(arg in attrs){
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attrs[arg](val)
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// new arg...
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} else if(arg in _transform_parse_func){
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_transform_parse_func[arg]
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}
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})
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var t = Object.keys(functions)
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.map(function(func){
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return func +'('+ functions[func].join(', ') + ')'
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})
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.join(' ')
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var o = (transform['origin'] && transform['origin'] != '') ?
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transform['origin']
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.map(function(e){
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return typeof(e) == typeof('str') ? e : e + 'px'
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}).join(' ')
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: ''
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that.css({
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'transform-origin': o,
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'transform' : t,
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})
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/*
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elem.style.transformOrigin = o
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elem.style.transform = t
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*/
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}
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return $(this)
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}
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// shorthands...
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jQuery.fn.scale = function(value){
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if(value){
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return $(this).transform({scale: value})
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} else {
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return $(this).transform('scale')
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}
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}
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jQuery.fn.origin = function(a, b, c){
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if(a && b && c){
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return $(this).transform({origin: [a, b, c]})
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} else if(a == '' || a instanceof Array){
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return $(this).transform({origin: a})
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} else {
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return $(this).transform('origin')
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}
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}
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// convert a transform string to an object...
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//
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// Format:
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// {
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// <func>: [<arg>, ...],
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// ...
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// }
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//
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// NOTE: this does not care about the semantics of the format, just the
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// general structure...
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var transform2obj = function(str){
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var res = {}
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str = str || ''
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// parse the string...
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str
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// split functions...
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.split(/(\w+\([^\)]*)\)/)
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// remove empty strings...
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.filter(function(e){ return e.trim().length > 0})
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// split each function...
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.map(function(e){ return e
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// split args...
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.split(/\s*[\(,\s]\s*/)
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// cleanup...
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.filter(function(e){ return e.trim().length > 0 }) })
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// build the structure...
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.forEach(function(data){
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var func = data.shift()
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var args = data
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res[func] = data
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})
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return res
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}
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// Convert the object similar in structure to the produced by
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// transform2obj(..) to a transform string...
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//
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// NOTE: this does not care about the actual semantics of the format,
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// e.g. argument units or function names...
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var obj2transform = function(obj){
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return Object.keys(obj)
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.map(function(func){
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return func +'('+ obj[func].join(', ') + ')'
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})
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.join(' ')
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}
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// XXX BUG: passing '' to an alias will clear ALL the aliased functions...
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// ...should clear only full matches...
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// XXX BUG: setting a single arg alias will return string results...
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// .x(123) -> ['123px'] -> must be [123]
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// .x() -> [123]
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// .translate3d(1,2,3)
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// -> [1, 2, 3]
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// NOTE: both set data correctly...
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// XXX move the grammar out of this...
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// XXX need:
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// - a way to minimize this, i.e. get only full and minimal functions...
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// - a way to get what was defined as-is...
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// XXX might be a good idea to use aliases for getting stuff and not
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// just setting stuff...
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// .x(123) -> set all the aliases
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// .x() -> search only the first match
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var transformEditor = function(){
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var editor = {
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// data set...
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data: {},
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// function that directly edit the data...
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__direct: {},
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// methods...
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toString: function(){ return obj2transform(this.data) },
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// XXX this will not build the alias data...
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fromString: function(str){ this.data = transform2obj(str) },
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}
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var func = function(name, args){
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args = args || []
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editor.__direct[name] = function(val){
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var that = this
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// set...
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if(val != null && val != ''){
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val = val instanceof Array ? val : [val]
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var res = this.data[name] = this.data[name] || []
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// add units and general processing...
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val.map(function(arg, i){
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// special case, if an arg is undefined do not change it...
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if(arg === undefined){
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return
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}
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var unit = args[i] || ''
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res[i] = typeof(arg) == typeof(123)
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|| (typeof(arg) == typeof('str')
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&& /^[0-9\.]+$/.test(arg)) ?
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arg + unit
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: arg
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})
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return res
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// delete...
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} else if(val == ''){
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delete this.data[name]
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// get...
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} else {
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var res = (this.data[name] || [])
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// remove default unit...
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.map(function(arg, i){
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var unit = args[i] || ''
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return arg.slice(-unit.length) == unit
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|| /^[0-9\.]+$/.test(arg)?
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parseFloat(arg)
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: arg
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})
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return res
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}
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}
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}
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var alias = function(spec){
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// alias runner...
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var handler = function(alias, args){
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var that = this
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// we only care for the source argument and only it will get
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// passed next...
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// NOTE: this is the name of the called alias...
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var arg = args[spec[alias]]
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return Object.keys(spec).map(function(k){
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var i = spec[k]
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|
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if(args.length == 0){
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return k in that.__direct ?
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that.__direct[k].call(that)
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: null
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}
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var a = []
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a[i] = arg
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return k in that.__direct ?
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that.__direct[k].call(that, a)
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: null
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})
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.filter(function(e){ return e != null })
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.slice(-1)[0]
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}
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// setup the aliases...
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Object.keys(spec).forEach(function(k){
|
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var i = spec[k]
|
|
|
|
var func = i instanceof Function ? i : handler
|
|
|
|
// NOTE: we will pass the called alias name to the handler
|
|
// via 'this'...
|
|
var f = editor[k]
|
|
editor[k] = f ?
|
|
// wrap the original alias...
|
|
function(){
|
|
var args = args2array(arguments)
|
|
// XXX do a full search through the alias values...
|
|
if(args.length == 0 && k in this.__direct){
|
|
return this.__direct[k].call(this)
|
|
}
|
|
|
|
var a = f.apply(this, args)
|
|
var b = func.call(this, k, args)
|
|
|
|
if(k in this.__direct){
|
|
return this.__direct[k].call(this)
|
|
}
|
|
return b
|
|
}
|
|
: function(){
|
|
var args = args2array(arguments)
|
|
return func.call(this, k, args)
|
|
}
|
|
|
|
})
|
|
}
|
|
|
|
// XXX get these from grammar...
|
|
func('translate', ['px', 'px'])
|
|
func('translate3d', ['px', 'px', 'px'])
|
|
func('translateX', ['px'])
|
|
func('translateY', ['px'])
|
|
func('translateZ', ['px'])
|
|
alias({ translate3d: 0, translate: 0, translateX: 0, x: 0 })
|
|
alias({ translate3d: 1, translate: 1, translateY: 0, y: 0, })
|
|
alias({ translate3d: 2, translateZ: 0, z: 0, })
|
|
|
|
func('scale')
|
|
func('scale3d')
|
|
func('scaleX')
|
|
func('scaleY')
|
|
func('scaleZ')
|
|
alias({ scale: 0, scale3d: 0, scaleX: 0, })
|
|
alias({ scale: 1, scale3d: 1, scaleY: 0, })
|
|
alias({ scale3d: 2, scaleZ: 0, })
|
|
// special case: single arg scale: scale(n) -> scale(n, n)
|
|
alias({ scale: function(){
|
|
if(arguments.length == 1){
|
|
return this.scale(arguments[0], arguments[0])
|
|
}
|
|
return this.__direct.scale.apply(this)
|
|
} })
|
|
|
|
func('rotate', ['deg'])
|
|
func('rotate3d', ['px', 'px', 'px', 'deg'])
|
|
func('rotateX', ['deg'])
|
|
func('rotateY', ['deg'])
|
|
func('rotateZ', ['deg'])
|
|
|
|
func('matrix')
|
|
func('matrix3d')
|
|
|
|
func('skew')
|
|
func('skewX')
|
|
func('skewY')
|
|
alias({skewX: 0, skew: 0})
|
|
alias({skewY: 0, skew: 1})
|
|
|
|
func('perspective')
|
|
|
|
|
|
// non-transform functions...
|
|
func('origin', ['px', 'px', 'px'])
|
|
|
|
|
|
// proxy the undefined in aliases functions...
|
|
Object.keys(editor.__direct).forEach(function(k){
|
|
if(!(k in editor)){
|
|
editor[k] = function(){
|
|
var args = args2array(arguments)
|
|
editor.__direct[k].apply(this, args.length > 0 ? [args]: [])
|
|
return editor.__direct[k].call(this)
|
|
}
|
|
}
|
|
})
|
|
|
|
return editor
|
|
}
|
|
|
|
// XXX STUB: for testing only...
|
|
window.transformEditor = transformEditor
|
|
|
|
var transform = function(){
|
|
var that = this
|
|
var elem = $(this)[0]
|
|
|
|
var args = args2array(arguments)
|
|
// normalize...
|
|
args = args.length == 0
|
|
|| typeof(args[0]) == typeof('str') ? args
|
|
: args[0].constructor === Array
|
|
|| args.length == 1 ? args[0]
|
|
: args
|
|
|
|
// XXX do vendor tags...
|
|
var prefix = ''
|
|
|
|
// get the current state...
|
|
var transform = transform2obj(elem && elem.style[prefix + 'transform'])
|
|
var origin = (elem ? elem.style[prefix + 'transformOrigin'] : '').split(/\s+/)
|
|
|
|
/* XXX not critical yet...
|
|
var style = this.style.transformStyle
|
|
var prespective = this.style.prespective
|
|
var prespectiveOrigin = this.style.prespectiveOrigin
|
|
var backfaceVisibility = this.style.backfaceVisibility
|
|
*/
|
|
|
|
// XXX populate transformEditor with current state...
|
|
// XXX
|
|
|
|
// get state...
|
|
if(args.constructor === Array){
|
|
// XXX minimize transformEditor and return
|
|
// XXX
|
|
|
|
// XXX
|
|
return
|
|
|
|
// set state...
|
|
} else {
|
|
// XXX add user inputs...
|
|
// XXX
|
|
|
|
// XXX minimize transformEditor and set...
|
|
// XXX
|
|
}
|
|
|
|
return $(this)
|
|
}
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
* vim:set ts=4 sw=4 : */
|
|
return module })
|