mirror of
https://github.com/flynx/ImageGrid.git
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114 lines
2.6 KiB
JavaScript
Executable File
114 lines
2.6 KiB
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
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(function(require){ var module={} // make module AMD/node compatible...
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/*********************************************************************/
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// XXX get actual diff path...
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var diff = require('lib/diff')
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var actions = require('lib/actions')
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var features = require('lib/features')
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var core = require('features/core')
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/*********************************************************************/
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// XXX get diff and save new reference state...
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var save = function(){
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var res = this.diff()
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this.__reference_state = this.josn()
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return res
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}
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var load = function(diff){
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// XXX
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}
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/*********************************************************************/
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// XXX we need a separate feature for fs stuff...
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// XXX format:
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// - we should separate:
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// .data
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// .images
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// .collections
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// ...
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// should we use the same mechanics as the original save/load???
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var DiffActions = actions.Actions({
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// XXX this must be read-only...
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__reference_state: null,
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__changes_stack: null,
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diff: [`- System/`,
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// XXX should this get separated diffs or one big diff???
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// ...i.e. get and arg to filter sections???
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function(){
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return diff.Diff(this.__reference_state, this.json()) }],
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// XXX EXPERIMENTAL -- this can be another way to implement undo or
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// a way to do "pre-save manual undo points"...
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// ...the problem with undo is that .popChange(..) does not
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// care about what changed and how and will simply reload the
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// whole state...
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// XXX do we need these???
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pushChange: ['- System/',
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core.doc`Create a save point
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`,
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function(){
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var stack = this.__changes_stack = this.__changes_stack || []
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stack.push(save.call(this))
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}],
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popChange: ['- System/',
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core.doc`Restore to a save point
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`,
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function(n){
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var stack = this.__changes_stack || []
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n = n == null ?
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0
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: (n == 'all' || n == '*') ?
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stack.length
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: n
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var state = this.josn()
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stack
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&& stack
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.splice(-n-1)
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.forEach(function(d){
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state = d.unpatch(state) })
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// XXX is this the correct way to go???
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this.load(state)
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}],
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// XXX hook into save/load workflows...
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// XXX
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})
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var Diff =
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module.Diff = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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// XXX
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tag: 'diff',
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depends: [
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// XXX
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],
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actions: FeatureActions,
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handlers: [],
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})
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/**********************************************************************
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* vim:set ts=4 sw=4 : */ return module })
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