mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-31 19:30:07 +00:00
1242 lines
32 KiB
JavaScript
Executable File
1242 lines
32 KiB
JavaScript
Executable File
/**********************************************************************
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*
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* Core features...
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* Setup the life-cycle and the base interfaces for features to use...
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*
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* Defined here:
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* - protocol action constructor
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* - config value toggler constructor
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* - meta actions
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* - .isToggler(..) predicate
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* - .preActionHandler(..) used to toggler special args
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* - ImageGrid root object/constructor
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* - ImageGridFeatures object
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*
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*
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* Features:
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* - introspection
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* - lifecycle
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* base life-cycle events (start/stop/..)
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* - util
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* - journal
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* action journaling and undo/redo functionality
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* XXX needs revision...
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* - changes
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* change tracking
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* - workspace
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* XXX needs revision...
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* - tasks
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* XXX not yet used
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* - self-test
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* basic framework for running test actions at startup...
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*
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*
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* XXX some actions use the .clone(..) action/protocol, should this be
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* defined here???
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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
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var DEBUG = typeof(DEBUG) != 'undefined' ? DEBUG : true
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var util = require('lib/util')
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var object = require('lib/object')
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var actions = require('lib/actions')
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var features = require('lib/features')
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var toggler = require('lib/toggler')
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/*********************************************************************/
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// Make a protocol implementation action...
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//
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// For more docs see: docs for actions.js and .chainApply(..)
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//
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// XXX might be good to move this to actions.js
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// XXX might also be a good idea to mark the actual protocol definition
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// and not just the implementation...
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var protocol =
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module.protocol = function(protocol, func){
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return function(){
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return this[protocol].chainApply(this, func, arguments)
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}
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}
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// NOTE: if no toggler state is set this assumes that the first state
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// is the default...
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// NOTE: default states is [false, true]
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var makeConfigToggler =
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module.makeConfigToggler =
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function(attr, states, a, b){
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states = states || [false, true]
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var pre = a
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// XXX is this a good default???
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//var post = b || function(action){ action != null && this.focusImage() }
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var post = b
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return toggler.Toggler(null,
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function(_, action){
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var lst = states.constructor === Array ? states
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: states instanceof Function ? states.call(this)
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: states
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if(action == null){
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var cfg = this.config[attr]
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return cfg == null ?
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(lst[lst.indexOf('none')] || lst[0])
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: cfg
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} else {
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this.config[attr] = action
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}
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},
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states, pre, post)
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}
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/*********************************************************************/
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// Root ImageGrid.viewer object constructor...
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//
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// This adds:
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// - toggler as action compatibility
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//
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var ImageGridMetaActions =
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module.ImageGridMetaActions = {
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// Test if the action is a Toggler...
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//
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isToggler: actions.doWithRootAction(function(action){
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return action instanceof toggler.Toggler }),
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// Handle special cases where we need to get the action result early,
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// without calling handlers...
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//
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// These include:
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// - toggler action special command handling (like: '?', '??', ..)
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//
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preActionHandler: actions.doWithRootAction(function(action, name, handlers, args){
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// Special case: do not call handlers for toggler state queries...
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//
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// NOTE: if the root handler is instance of Toggler (jli) and
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// the action is called with '?'/'??' as argument, then the
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// toggler will be called with the argument and return the
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// result bypassing the handlers.
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// NOTE: an action is considered a toggler only if it's base action
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// is a toggler (instance of Toggler), thus, the same "top"
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// action can be or not be a toggler in different contexts.
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//
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// For more info on togglers see: lib/toggler.js
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if(this.isToggler(name)
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&& args.length == 1
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&& (args[0] == '?' || args[0] == '??')){
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return {
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result: handlers.slice(-1)[0].pre.apply(this, args),
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}
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}
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}),
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}
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ImageGridMetaActions.__proto__ = actions.MetaActions
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var ImageGrid =
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module.ImageGrid =
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object.makeConstructor('ImageGrid', ImageGridMetaActions)
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// Root ImageGrid feature set....
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var ImageGridFeatures =
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module.ImageGridFeatures = new features.FeatureSet()
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// setup base instance constructor...
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ImageGridFeatures.__actions__ =
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function(){ return actions.Actions(ImageGrid()) }
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//---------------------------------------------------------------------
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// Setup runtime info...
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// nw or node...
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if(typeof(process) != 'undefined'){
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// nw.js 0.13+
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if(typeof(nw) != 'undefined'){
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ImageGridFeatures.runtime = 'nw'
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// NOTE: jli is patching the Date object and with two separate
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// instances we'll need to sync things up...
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// XXX HACK: if node and chrome Date implementations ever
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// significantly diverge this will break things + this is
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// a potential data leak between contexts...
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//global.Date = window.Date
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// XXX this is less of a hack but it is still an implicit
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util.patchDate(global.Date)
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util.patchDate(window.Date)
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// node...
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} else {
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ImageGridFeatures.runtime = 'node'
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// XXX patch Date...
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// XXX this will not work directly as we will need to explicitly
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// require jli...
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//patchDate(global.Date)
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}
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// browser...
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// NOTE: we're avoiding detecting browser specifics for as long as possible,
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// this will minimize the headaches of supporting several non-standard
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// versions of code...
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} else if(typeof(window) != 'undefined'){
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ImageGridFeatures.runtime = 'browser'
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// unknown...
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// XXX do we need to detect chrome app???
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} else {
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ImageGridFeatures.runtime = 'unknown'
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}
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/*********************************************************************/
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// Introspection...
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// Normalize doc strings...
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//
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// This will remove indent padding from all lines in a doc string.
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//
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// This is useful for documenting actions using ES6 template/multi-line
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// strings and keep them sane in terms of indent...
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//
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// Example:
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// someAction: ['Test/Some action title',
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// core.doc`This is an example...
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// mult-iline...
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// ...doc string that will be normalized and look the same but`
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// without the indent...`,
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// function(){ ... }]
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//
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// NOTE: this will ignore the first line's indent so it can be started
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// right at the string start.
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var doc =
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module.doc =
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function(strings, ...values){
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var lines = strings
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.map(function(s, i){ return s + (values[i] || '') })
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.join('')
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.split(/\n/g)
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// get the common whitespae offset...
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var l = -1
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lines.forEach(function(line, i){
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if(line.trim().length == 0){
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return
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}
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// get the indent...
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var a = line.length - line.trimLeft().length
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// if line 0 is not indented, ignore it...
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if(i == 0 && a == 0){
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return
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}
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l = l < 0 ? a : Math.min(l, a)
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})
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return lines
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.map(function(line, i){ return i == 0 ? line : line.slice(l) })
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.join('\n')
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}
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// Indicate that an action is not intended for direct use...
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//
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// NOTE: this will not do anything but mark the action.
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var notUserCallable =
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module.notUserCallable =
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function(func){
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func.__not_user_callable__ = true
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return func
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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var IntrospectionActions = actions.Actions({
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// user-callable actions...
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get useractions(){
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return this.actions.filter(this.isUserCallable.bind(this)) },
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// check if action is callable by user...
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isUserCallable: ['- System/',
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doc`Test if an action is callable by user.
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.isUserCallable(<action-name>)
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`,
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// XXX should this check only the root action or the whole set???
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// ...in other words: can we make an action non-user-callable
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// anywhere other than the root action?
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// IMO no...
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//function(action){
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// return this.getActionAttr(action, '__not_user_callable__') != true }],
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actions.doWithRootAction(function(action){
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return action.__not_user_callable__ != true })],
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})
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var Introspection =
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module.Introspection = ImageGridFeatures.Feature({
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title: '',
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tag: 'introspection',
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actions: IntrospectionActions,
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})
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//---------------------------------------------------------------------
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// System life-cycle...
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// XXX should his have state???
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// ...if so, should this be a toggler???
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var LifeCycleActions = actions.Actions({
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start: ['- System/',
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doc`Start core action/event
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.start()
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This action triggers system start, sets up basic runtime, prepares
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for shutdown (stop) and handles the .ready() event.
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Attributes set here:
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.runtime - indicates the runtime ImageGrid is running.
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this currently supports:
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node, browser, nw, unknown
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This will trigger .declareReady() if no action called
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.requestReadyAnnounce()
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NOTE: .runtime attribute will not be available on the .pre handler
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phase.
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NOTE: .requestReadyAnnounce() should be called exclusively on the
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.pre handler phase as this will check and trigger the .ready()
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event before the .post phase starts.
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`,
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function(){
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var that = this
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this.logger && this.logger.emit('start')
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// NOTE: jQuery currently provides no way to check if an event
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// is bound so we'll need to keep track manually...
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if(this.__stop_handler == null){
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var stop = this.__stop_handler = function(){ that.stop() }
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} else {
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return
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}
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// set the runtime...
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var runtime = this.runtime = ImageGridFeatures.runtime
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// nw.js...
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if(runtime == 'nw'){
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// this handles both reload and close...
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$(window).on('beforeunload', stop)
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// NOTE: we are using both events as some of them do not
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// get triggered in specific conditions and some do,
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// for example, this gets triggered when the window's
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// 'X' is clicked while does not on reload...
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this.__nw_stop_handler = function(){
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var w = this
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try{
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that
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// wait till ALL the handlers finish before
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// exiting...
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.on('stop.post', function(){
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// XXX might be broken in nw13 -- test!!!
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//w.close(true)
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nw.App.quit()
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})
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.stop()
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// in case something breaks exit...
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// XXX not sure if this is correct...
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} catch(e){
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console.log('ERROR:', e)
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DEBUG || nw.App.quit()
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//this.close(true)
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}
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}
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nw.Window.get().on('close', this.__nw_stop_handler)
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// node.js...
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} else if(runtime == 'node'){
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process.on('exit', stop)
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// browser...
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} else if(runtime == 'browser'){
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$(window).on('beforeunload', stop)
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// other...
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} else {
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// XXX
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console.warn('Unknown runtime:', runtime)
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}
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// handler ready event...
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// ...if no one requested to do it.
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if(this.__ready_announce_requested == null
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|| this.__ready_announce_requested <= 0){
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if(runtime == 'nw'){
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$(function(){ that.declareReady() })
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} else if(runtime == 'node'){
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this.declareReady()
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} else if(runtime == 'browser'){
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$(function(){ that.declareReady() })
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} else {
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this.declareReady()
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}
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}
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}],
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ready: ['- System/System ready event',
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doc`Ready core event
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The ready event is fired right after start is done.
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Any feature can request to announce 'ready' itself when it is
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done by calling .requestReadyAnnounce().
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If .requestReadyAnnounce() is called, then the caller is required
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to also call .declareReady().
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.ready() will actually be triggered only after when .declareReady()
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is called the same number of times as .requestReadyAnnounce().
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NOTE: at this point the system does not track the caller
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"honesty", so it is the caller's responsibility to follow
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the protocol.
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`,
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notUserCallable(function(){
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// System ready event...
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//
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// Not intended for direct use, use .declareReady() to initiate.
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this.logger && this.logger.emit('ready')
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})],
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// NOTE: this calls .ready() once per session.
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declareReady: ['- System/Declare system ready',
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doc`Declare ready state
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.declareReady()
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This will call .ready() but only in the following conditions:
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- .requestReadyAnnounce() has not been called.
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- .requestReadyAnnounce() has been called the same number of
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times as .declareReady()
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NOTE: this will call .ready() only once per start/stop cycle.
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`,
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function(){
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this.__ready_announce_requested
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&& (this.__ready_announce_requested -= 1)
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if(!this.__ready_announce_requested
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|| this.__ready_announce_requested == 0){
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this.__ready = this.__ready || !!this.ready()
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delete this.__ready_announce_requested
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}
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}],
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requestReadyAnnounce: ['- System/',
|
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doc`Request to announce the .ready() event.
|
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.requestReadyAnnounce()
|
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This enables a feature to delay the .ready() call until it is
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ready, this is useful for async or long stuff that can block
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or slow down the .ready() phase.
|
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To indicate readiness, .declareReady() should be used.
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The system will call .ready() automatically when the last
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subscriber who called .requestReadyAnnounce() calls
|
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.declareReady(), i.e. .declareReady() must be called at least
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as many times as .requestReadyAnnounce()
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The actual .ready() should never get called directly.
|
|
|
|
NOTE: if this is called, .ready() will not get triggered
|
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automatically by the system.
|
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`,
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function(){
|
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return this.__ready_announce_requested = (this.__ready_announce_requested || 0) + 1
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}],
|
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stop: ['- System/',
|
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doc`Stop core action
|
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.stop()
|
|
|
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This will cleanup and unbind stop events.
|
|
|
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The goal of this is to prepare for system shutdown.
|
|
|
|
NOTE: it is good practice for the bound handlers to set the
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system to a state from which their corresponding start/ready
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handlers can run cleanly.
|
|
`,
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function(){
|
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// browser & nw...
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if(this.__stop_handler
|
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&& (this.runtime == 'browser' || this.runtime == 'nw')){
|
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$(window).off('beforeunload', this.__stop_handler)
|
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}
|
|
|
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// nw...
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if(this.__nw_stop_handler && this.runtime == 'nw'){
|
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nw.Window.get().removeAllListeners('close')
|
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delete this.__nw_stop_handler
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}
|
|
|
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// node...
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if(this.__stop_handler && this.runtime == 'node'){
|
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process.removeAllListeners('exit')
|
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}
|
|
|
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delete this.__ready
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delete this.__stop_handler
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|
|
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this.logger && this.logger.emit('stop')
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}],
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})
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|
|
var LifeCycle =
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module.LifeCycle = ImageGridFeatures.Feature({
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title: '',
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doc: '',
|
|
|
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tag: 'lifecycle',
|
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priority: 'high',
|
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|
|
actions: LifeCycleActions,
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})
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
|
|
var UtilActions = actions.Actions({
|
|
mergeConfig: ['- System/',
|
|
doc`Merge a config object into .config
|
|
`,
|
|
function(config){
|
|
config = config instanceof Function ? config.call(this)
|
|
: typeof(config) == typeof('str') ? this.config[config]
|
|
: config
|
|
var that = this
|
|
Object.keys(config).forEach(function(key){
|
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that.config[key] = config[key]
|
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})
|
|
}],
|
|
})
|
|
|
|
|
|
var Util =
|
|
module.Util = ImageGridFeatures.Feature({
|
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title: '',
|
|
doc: '',
|
|
|
|
tag: 'util',
|
|
|
|
actions: UtilActions,
|
|
})
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Journal...
|
|
//
|
|
// This feature logs actions that either have the journal attribute set
|
|
// to true or have an undo method/alias...
|
|
//
|
|
// Example:
|
|
// someAction: ['Path/to/Some action',
|
|
// // just journal the action, but it can't be undone...
|
|
// {journal: true},
|
|
// function(){
|
|
// ...
|
|
// }],
|
|
//
|
|
// otherAction: ['Path/to/Other action',
|
|
// // journal and provide undo functionality...
|
|
// {undo: function(){
|
|
// ...
|
|
// }},
|
|
// function(){
|
|
// ...
|
|
// }],
|
|
//
|
|
// someOtherAction: ['Path/to/Some other action',
|
|
// // use .otherAction(..) to undo...
|
|
// {undo: 'otherAction'},
|
|
// function(){
|
|
// ...
|
|
// }],
|
|
//
|
|
// NOTE: .undo has priority over .journal, so there is no point of
|
|
// defining both .journal and .undo action attributes, one is
|
|
// enough.
|
|
//
|
|
//
|
|
|
|
// XXX would be great to add a mechanism define how to reverse actions...
|
|
// ...one way to do this at this point is to revert to last state
|
|
// and re-run the journal until the desired event...
|
|
// XXX need to define a clear journaling strategy in the lines of:
|
|
// - save state clears journal and adds a state load action
|
|
// - .load(..) clears journal
|
|
// XXX needs careful testing...
|
|
var JournalActions = actions.Actions({
|
|
|
|
clone: [function(full){
|
|
return function(res){
|
|
res.rjournal = null
|
|
res.journal = null
|
|
if(full && this.hasOwnProperty('journal') && this.journal){
|
|
res.journal = JSON.parse(JSON.stringify(this.journal))
|
|
}
|
|
}
|
|
}],
|
|
|
|
journal: null,
|
|
rjournal: null,
|
|
|
|
journalable: null,
|
|
|
|
updateJournalableActions: ['System/Update list of journalable actions',
|
|
function(){
|
|
var that = this
|
|
|
|
var handler = function(action){
|
|
return function(){
|
|
var cur = this.current
|
|
var args = args2array(arguments)
|
|
|
|
return function(){
|
|
this.journalPush({
|
|
type: 'basic',
|
|
|
|
action: action,
|
|
args: args,
|
|
// the current image before the action...
|
|
current: cur,
|
|
// the target (current) image after action...
|
|
target: this.current,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
this.journalable = this.actions
|
|
.filter(function(action){
|
|
return !!that.getActionAttr(action, 'undo')
|
|
|| !!that.getActionAttr(action, 'journal')
|
|
})
|
|
// reset the handler
|
|
.map(function(action){
|
|
that
|
|
.off(action+'.pre', 'journal-handler')
|
|
.on(action+'.pre', 'journal-handler', handler(action))
|
|
return action
|
|
})
|
|
}],
|
|
|
|
journalPush: ['- System/Journal/Add an item to journal',
|
|
function(data){
|
|
// clear the reverse journal...
|
|
this.rjournal
|
|
&& (this.rjournal = null)
|
|
|
|
this.journal = (this.hasOwnProperty('journal') || this.journal) ?
|
|
this.journal || []
|
|
: []
|
|
this.journal.push(data)
|
|
}],
|
|
clearJournal: ['System/Journal/Clear the action journal',
|
|
function(){
|
|
// NOTE: overwriting here is better as it will keep
|
|
// shadowing the parent's .journal in case we
|
|
// are cloned.
|
|
// NOTE: either way this will have no effect as we
|
|
// only use the local .journal but the user may
|
|
// get confused...
|
|
//delete this.journal
|
|
this.journal
|
|
&& (this.journal = null)
|
|
this.rjournal
|
|
&& (this.rjournal = null)
|
|
}],
|
|
runJournal: ['- System/Journal/Run journal',
|
|
//{journal: true},
|
|
function(journal){
|
|
var that = this
|
|
journal.forEach(function(e){
|
|
// load state...
|
|
that
|
|
.focusImage(e.current)
|
|
// run action...
|
|
[e.action].apply(that, e.args)
|
|
})
|
|
}],
|
|
|
|
// XXX needs very careful revision...
|
|
// - should this be thread safe??? (likely not)
|
|
// - should the undo action have side-effects on the
|
|
// journal/rjournal or should we clean them out???
|
|
// (currently cleaned)
|
|
undo: ['Edit/Undo',
|
|
doc`Undo last action from .journal that can be undone
|
|
|
|
.undo()
|
|
|
|
This will shift the action from .journal to .rjournal preparing
|
|
it for .redo()
|
|
|
|
NOTE: this will remove all the non undoable actions from the
|
|
.journal up until and including the undone action.
|
|
NOTE: only the undone action is pushed to .rjournal
|
|
`,
|
|
{browseMode: function(){
|
|
return (this.journal && this.journal.length > 0) || 'disabled' }},
|
|
function(){
|
|
var journal = this.journal.slice() || []
|
|
|
|
var rjournal = this.rjournal =
|
|
(this.hasOwnProperty('rjournal') || this.rjournal) ?
|
|
this.rjournal || []
|
|
: []
|
|
|
|
for(var i = journal.length-1; i >= 0; i--){
|
|
var a = journal[i]
|
|
|
|
// see if the action has an explicit undo attr...
|
|
var undo = this.getActionAttr(a.action, 'undo')
|
|
|
|
// general undo...
|
|
if(undo){
|
|
// restore focus to where it was when the action
|
|
// was called...
|
|
this.focusImage(a.current)
|
|
|
|
// call the undo method/action...
|
|
// NOTE: this is likely to have side-effect on the
|
|
// journal and maybe even rjournal...
|
|
// NOTE: these side-effects are cleaned out later.
|
|
var undo = undo instanceof Function ?
|
|
// pass the action name...
|
|
undo.call(this, a)
|
|
: typeof(undo) == typeof('str') ?
|
|
// pass journal structure as-is...
|
|
this[undo].apply(this, a)
|
|
: null
|
|
|
|
// push the undone command to the reverse journal...
|
|
rjournal.push(journal.splice(i, 1)[0])
|
|
|
|
// restore journal state...
|
|
// NOTE: calling the undo action would have cleared
|
|
// the rjournal and added stuff to the journal
|
|
// so we will need to restore things...
|
|
this.journal = journal
|
|
this.rjournal = rjournal
|
|
|
|
break
|
|
}
|
|
}
|
|
}],
|
|
redo: ['Edit/Redo',
|
|
doc`Redo an action from .rjournal
|
|
|
|
.redo()
|
|
|
|
Essentially this will remove and re-run the last action in .rjournal
|
|
`,
|
|
{browseMode: function(){
|
|
return (this.rjournal && this.rjournal.length > 0) || 'disabled' }},
|
|
function(){
|
|
if(!this.rjournal || this.rjournal.length == 0){
|
|
return
|
|
}
|
|
|
|
this.runJournal([this.rjournal.pop()])
|
|
}],
|
|
})
|
|
|
|
|
|
var Journal =
|
|
module.Journal = ImageGridFeatures.Feature({
|
|
title: 'Action Journal',
|
|
|
|
tag: 'journal',
|
|
|
|
actions: JournalActions,
|
|
|
|
// XXX need to drop journal on save...
|
|
// XXX rotate/truncate journal???
|
|
// XXX need to check that all the listed actions are clean -- i.e.
|
|
// running the journal will produce the same results as user
|
|
// actions that generated the journal.
|
|
handlers: [
|
|
// log state, action and its args...
|
|
['start',
|
|
function(){ this.updateJournalableActions() }],
|
|
],
|
|
})
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Changes API...
|
|
|
|
var ChangesActions = actions.Actions({
|
|
// This can be:
|
|
// - null/undefined - write all
|
|
// - true - write all
|
|
// - false - write nothing
|
|
// - {
|
|
// // write/skip data...
|
|
// data: <bool>,
|
|
//
|
|
// // write/skip images or write a diff including the given
|
|
// // <gid>s only...
|
|
// images: <bool> | [ <gid>, ... ],
|
|
//
|
|
// // write/skip tags...
|
|
// tags: <bool>,
|
|
//
|
|
// // write/skip bookmarks...
|
|
// bookmarked: <bool>,
|
|
//
|
|
// // write/skip selected...
|
|
// selected: <bool>,
|
|
//
|
|
// // feature specific custom flags...
|
|
// ...
|
|
// }
|
|
//
|
|
// NOTE: in the complex format all fields ar optional; if a field
|
|
// is not included it is not written (same as when set to false)
|
|
// NOTE: .current is written always.
|
|
chages: null,
|
|
|
|
clone: [function(full){
|
|
return function(res){
|
|
res.changes = null
|
|
if(full && this.hasOwnProperty('changes') && this.changes){
|
|
res.changes = JSON.parse(JSON.stringify(this.changes))
|
|
}
|
|
}
|
|
}],
|
|
|
|
markChanged: ['- System/',
|
|
doc`Mark data sections as changed...
|
|
|
|
Mark everything changed...
|
|
.markChanged('all')
|
|
|
|
Mark nothing changed...
|
|
.markChanged('none')
|
|
|
|
Mark section(s) as changed...
|
|
.markChanged(<section>)
|
|
.markChanged(<section>, ..)
|
|
.markChanged([<section>, ..])
|
|
|
|
Mark item(s) of section as changed...
|
|
.markChanged(<section>, [<item>, .. ])
|
|
|
|
NOTE: when marking section items, the new items will be added to
|
|
the set of already marked items.
|
|
NOTE: when .changes is null (i.e. everything changed, marked via
|
|
.markChanged('all')) then calling this with anything other
|
|
than 'none' will have no effect.
|
|
`,
|
|
function(section, items){
|
|
var that = this
|
|
var args = section instanceof Array ?
|
|
section
|
|
: util.args2array(arguments)
|
|
//var changes = this.changes =
|
|
var changes =
|
|
this.hasOwnProperty('changes') ?
|
|
this.changes || {}
|
|
: {}
|
|
|
|
// all...
|
|
if(args.length == 1 && args[0] == 'all'){
|
|
// NOTE: this is better than delete as it will shadow
|
|
// the parent's changes in case we got cloned from
|
|
// a live instance...
|
|
//delete this.changes
|
|
this.changes = null
|
|
|
|
// none...
|
|
} else if(args.length == 1 && args[0] == 'none'){
|
|
this.changes = false
|
|
|
|
// everything is marked changed, everything will be saved
|
|
// anyway...
|
|
// NOTE: to reset this use .markChanged('none') and then
|
|
// manually add the desired changes...
|
|
} else if(this.changes == null){
|
|
return
|
|
|
|
// section items...
|
|
} else if(items instanceof Array) {
|
|
changes[section] = (changes[section] || []).concat(items).unique()
|
|
this.changes = changes
|
|
|
|
// section(s)...
|
|
} else {
|
|
args.forEach(function(arg){
|
|
changes[arg] = true
|
|
})
|
|
this.changes = changes
|
|
}
|
|
}],
|
|
})
|
|
|
|
|
|
var Changes =
|
|
module.Changes = ImageGridFeatures.Feature({
|
|
title: '',
|
|
doc: '',
|
|
|
|
tag: 'changes',
|
|
depends: [ ],
|
|
|
|
actions: ChangesActions,
|
|
})
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Workspace...
|
|
//
|
|
// Basic protocol:
|
|
// A participating feature should:
|
|
// - react to .saveWorkspace(..) by saving it's relevant state data to the
|
|
// object returned by the .saveWorkspace() action.
|
|
// NOTE: it is recommended that a feature save its relevant .config
|
|
// data as-is.
|
|
// NOTE: no other action or state change should be triggered by this.
|
|
// - react to .loadWorkspace(..) by loading it's state from the returned
|
|
// object...
|
|
// NOTE: this can be active, i.e. a feature may call actions when
|
|
// handling this.
|
|
// - react to .toggleChrome(..) and switch on and off the chrome
|
|
// visibility... (XXX)
|
|
//
|
|
//
|
|
|
|
|
|
// Helpers...
|
|
var makeWorkspaceConfigWriter =
|
|
module.makeWorkspaceConfigWriter = function(keys, callback){
|
|
return function(workspace){
|
|
var that = this
|
|
|
|
var data = keys instanceof Function ? keys.call(this) : keys
|
|
|
|
// store data...
|
|
data.forEach(function(key){
|
|
workspace[key] = JSON.parse(JSON.stringify(that.config[key]))
|
|
})
|
|
|
|
callback && callback.call(this, workspace)
|
|
}
|
|
}
|
|
|
|
// XXX should this delete a prop if it's not in the loading workspace???
|
|
// XXX only replace a prop if it has changed???
|
|
// XXX handle defaults -- when a workspace was just created...
|
|
var makeWorkspaceConfigLoader =
|
|
module.makeWorkspaceConfigLoader = function(keys, callback){
|
|
return function(workspace){
|
|
var that = this
|
|
|
|
var data = keys instanceof Function ? keys.call(this) : keys
|
|
|
|
// load data...
|
|
data.forEach(function(key){
|
|
// the key exists...
|
|
if(key in workspace){
|
|
that.config[key] = JSON.parse(JSON.stringify(workspace[key]))
|
|
|
|
// no key set...
|
|
// XXX is this the right way to go???
|
|
} else {
|
|
delete that.config[key]
|
|
}
|
|
})
|
|
|
|
callback && callback.call(this, workspace)
|
|
}
|
|
}
|
|
|
|
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
|
|
// XXX need a way to handle defaults...
|
|
var WorkspaceActions = actions.Actions({
|
|
config: {
|
|
'load-workspace': 'default',
|
|
|
|
'workspace': 'default',
|
|
'workspaces': {},
|
|
},
|
|
|
|
get workspace(){
|
|
return this.config.workspace },
|
|
set workspace(value){
|
|
this.loadWorkspace(value) },
|
|
|
|
get workspaces(){
|
|
return this.config.workspaces },
|
|
|
|
getWorkspace: ['- Workspace/',
|
|
function(){ return this.saveWorkspace(null) }],
|
|
|
|
// NOTE: these are mainly triggers for other features to save/load
|
|
// their specific states...
|
|
// NOTE: handlers should only set data on the workspace object passively,
|
|
// no activity is recommended.
|
|
// NOTE: if null is passed this will only get the data, but will
|
|
// save nothing. this us useful for introspection and temporary
|
|
// context storage.
|
|
//
|
|
// XXX for some reason this does not get saved with .config...
|
|
saveWorkspace: ['Workspace/Save Workspace',
|
|
function(name){
|
|
if(!this.config.hasOwnProperty('workspaces')){
|
|
this.config['workspaces'] = JSON.parse(JSON.stringify(this.config['workspaces']))
|
|
}
|
|
|
|
var res = {}
|
|
|
|
if(name !== null){
|
|
this.config['workspaces'][name || this.config.workspace] = res
|
|
}
|
|
|
|
return res
|
|
}],
|
|
// NOTE: merging the state data is the responsibility of the feature
|
|
// ...this is done so as not to restrict the feature to one
|
|
// specific way to do stuff...
|
|
loadWorkspace: ['Workspace/Load Workspace',
|
|
function(name){
|
|
name = name || this.config.workspace
|
|
|
|
// get a workspace by name and load it...
|
|
if(typeof(name) == typeof('str')){
|
|
this.config.workspace = name
|
|
|
|
return this.workspaces[name] || {}
|
|
|
|
// we got the workspace object...
|
|
} else {
|
|
return name
|
|
}
|
|
}],
|
|
|
|
// NOTE: this will not save the current workspace...
|
|
toggleWorkspace: ['Workspace/workspace',
|
|
makeConfigToggler('workspace',
|
|
function(){ return Object.keys(this.config['workspaces']) },
|
|
function(state){ this.loadWorkspace(state) })],
|
|
|
|
// XXX should we keep the stack unique???
|
|
pushWorkspace: ['- Workspace/',
|
|
function(name){
|
|
name = name || this.workspace
|
|
var stack = this.__workspace_stack = this.__workspace_stack || []
|
|
|
|
this.saveWorkspace()
|
|
|
|
if(stack.slice(-1)[0] == name){
|
|
return
|
|
}
|
|
|
|
this.workspace != name && this.loadWorkspace(name)
|
|
stack.push(name)
|
|
}],
|
|
popWorkspace: ['- Workspace/',
|
|
function(){
|
|
var stack = this.__workspace_stack
|
|
|
|
if(!stack || stack.length == 0){
|
|
return
|
|
}
|
|
|
|
this.saveWorkspace()
|
|
this.loadWorkspace(stack.pop())
|
|
}],
|
|
})
|
|
|
|
|
|
var Workspace =
|
|
module.Workspace = ImageGridFeatures.Feature({
|
|
title: '',
|
|
|
|
tag: 'workspace',
|
|
|
|
depends: [
|
|
'lifecycle',
|
|
],
|
|
|
|
actions: WorkspaceActions,
|
|
|
|
handlers: [
|
|
['start',
|
|
function(){
|
|
this.loadWorkspace(this.config['load-workspace'] || 'default') }],
|
|
['stop',
|
|
function(){
|
|
this.saveWorkspace() }],
|
|
],
|
|
})
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Tasks...
|
|
// XXX should this be a separate module???
|
|
|
|
var tasks = require('lib/tasks')
|
|
|
|
// XXX see if a protocol can be practical here to:
|
|
// - serialize/restore jobs
|
|
// - ...
|
|
var TaskActions = actions.Actions({
|
|
config: {
|
|
},
|
|
|
|
get jobs(){
|
|
return this.__jobs
|
|
},
|
|
|
|
getJob: ['- Jobs/',
|
|
function(name){
|
|
name = name || this.data.newGid()
|
|
|
|
// get/init task dict...
|
|
var t = this.__jobs = this.__jobs || {}
|
|
// get/init task...
|
|
var job = t[name] = t[name] || tasks.Queue()
|
|
job.name = name
|
|
|
|
return job
|
|
}],
|
|
|
|
// XXX stop
|
|
})
|
|
|
|
|
|
var Tasks =
|
|
module.Tasks = ImageGridFeatures.Feature({
|
|
title: '',
|
|
|
|
tag: 'tasks',
|
|
|
|
depends: [ ],
|
|
|
|
actions: TaskActions,
|
|
|
|
handlers: [
|
|
['start',
|
|
function(){
|
|
// XXX prepare for recovery and recover...
|
|
}],
|
|
['stop',
|
|
function(){
|
|
// XXX stop tasks and prepare for recovery...
|
|
}],
|
|
],
|
|
})
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Self test framework...
|
|
|
|
var selfTest =
|
|
module.selfTest = function(func){
|
|
func.__self_test__ = true
|
|
return func
|
|
}
|
|
|
|
var SelfTestActions = actions.Actions({
|
|
config: {
|
|
'run-selftest-on-start': true,
|
|
},
|
|
|
|
runSelfTest: ['System/Run self test',
|
|
selfTest(function(mode){
|
|
var that = this
|
|
var logger = this.logger && this.logger.push('Self test')
|
|
|
|
var tests = this.actions
|
|
.filter(function(action){
|
|
return action != 'runSelfTest'
|
|
&& (that[action].func.__self_test__
|
|
|| that.getActionAttr(action, 'self_test'))})
|
|
|
|
logger
|
|
&& tests.forEach(function(action){
|
|
logger.emit('found', action) })
|
|
|
|
|
|
tests.forEach(function(action){
|
|
that[action]()
|
|
|
|
logger.emit('done', action)
|
|
})
|
|
})],
|
|
})
|
|
|
|
var SelfTest =
|
|
module.SelfTest = ImageGridFeatures.Feature({
|
|
title: '',
|
|
doc: '',
|
|
|
|
tag: 'self-test',
|
|
depends: [
|
|
'lifecycle'
|
|
],
|
|
priority: 'low',
|
|
|
|
actions: SelfTestActions,
|
|
|
|
handlers: [
|
|
['start',
|
|
function(){
|
|
this.config['run-selftest-on-start']
|
|
&& this.runSelfTest() }]
|
|
],
|
|
})
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
* vim:set ts=4 sw=4 : */ return module })
|