mirror of
https://github.com/flynx/ImageGrid.git
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525 lines
12 KiB
JavaScript
Executable File
525 lines
12 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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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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var overlay = require('lib/widget/overlay')
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var browse = require('lib/widget/browse')
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/*********************************************************************/
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// url history...
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var URLHistoryActions = actions.Actions({
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config: {
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'url-history-push-up-on-open': false,
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// values:
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// -1 - no limit.
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// 0 - disabled
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// 1+ - length of history
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'url-history-length': 100,
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},
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__url_history: null,
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// Format:
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// {
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// url: {
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// open: <action-name> | <function>,
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// check: <action-name> | <function>,
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// },
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// ...
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// }
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//
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// NOTE: last opened url is last...
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// NOTE: though functions are supported they are not recommended as
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// we can not stringify them to JSON...
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get url_history(){
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return this.hasOwnProperty('__url_history') ? this.__url_history : undefined
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},
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set url_history(value){
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this.__url_history = value
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},
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clone: [function(full){
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return function(res){
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res.url_history = null
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if(full && this.url_history){
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res.url_history = JSON.parse(JSON.stringify(this.url_history))
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}
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}
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}],
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setTopURLHistory: ['- History/',
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function(url){
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var data = this.url_history[url]
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if(data == null){
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return
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}
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delete this.url_history[url]
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this.url_history[url] = data
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}],
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pushURLToHistory: ['- History/',
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function(url, open, check){
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var l = this.config['url-history-length'] || -1
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if(l == 0){
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return
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}
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url = url || this.location.path
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open = open || this.location.method
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check = check || 'checkPath'
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this.url_history = this.url_history || {}
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// remove the old value...
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if(url in this.url_history && this.config['url-history-push-up-on-open']){
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delete this.url_history[url]
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}
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// push url to history...
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this.url_history[url] = {
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open: open,
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check: check,
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}
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// update history length...
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if(l > 0){
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var k = Object.keys(this.url_history)
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while(k.length > l){
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// drop first url in order -- last added...
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this.dropURLFromHistory(k[0])
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var k = Object.keys(this.url_history)
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}
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}
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}],
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// NOTE: url can be an index, 0 being the last url added to history;
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// negative values are also supported.
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dropURLFromHistory: ['- History/',
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function(url){
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this.url_history = this.url_history || {}
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url = typeof(url) == typeof(123) ?
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Object.keys(this.url_history).reverse().slice(url)[0]
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: url
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if(url){
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delete this.url_history[url]
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}
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}],
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checkURLFromHistory: ['- History/',
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function(url){
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this.url_history = this.url_history || {}
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url = typeof(url) == typeof(123) ?
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Object.keys(this.url_history).reverse().slice(url)[0]
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: url
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// if we have a check action then use it...
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if(url && this.url_history[url] && this.url_history[url].check){
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var check = this.url_history[url].check
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if(typeof(check) == typeof('str')){
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return this[check](url)
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} else {
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return check(url)
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}
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// no way to check so we do not know...
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} else {
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return null
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}
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}],
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openURLFromHistory: ['- History/',
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function(url, open){
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this.url_history = this.url_history || {}
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url = typeof(url) == typeof(123) ?
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Object.keys(this.url_history).reverse().slice(url)[0]
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: url
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if(url && !open && this.url_history[url] && this.url_history[url].open){
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open = this.url_history[url].open
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}
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if(url && open){
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if(open instanceof Function){
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return open(url)
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} else {
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return this[open](url)
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}
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}
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}],
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clearURLHistory: ['History/',
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function(){ this.url_history = null }],
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})
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var URLHistory =
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module.URLHistory = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'url-history',
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depends: [
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'location',
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],
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suggested: [
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'ui-url-history',
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'url-history-local-storage',
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'url-history-fs-writer',
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],
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actions: URLHistoryActions,
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})
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//---------------------------------------------------------------------
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// XXX should this be responsible for saving and loading of .location???
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// ...on one hand it's part of the history, on the other it's part
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// of file loader...
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var URLHistoryLocalStorageActions = actions.Actions({
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config: {
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'url-history-local-storage-key': 'url-history',
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'url-history-loaded-local-storage-key': 'url-history-loaded',
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'url-history-load-current': true,
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},
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__url_history: null,
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// load url history...
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get url_history(){
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// get the attr value...
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if(this.hasOwnProperty('__url_history') && this.__url_history){
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return this.__url_history
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}
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var key = this.config['url-history-local-storage-key']
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if(key){
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// get the storage value...
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// if not local __url_history and we are configured, load from storage...
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if(this.config && key){
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var history = localStorage[key]
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if(history){
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try{
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this.__url_history = JSON.parse(history)
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} catch(e) {
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delete localStorage[key]
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}
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}
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}
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}
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return this.hasOwnProperty('__url_history') ? this.__url_history : null
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},
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set url_history(value){
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this.__url_history = value
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var key = this.config['url-history-local-storage-key']
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if(key){
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localStorage[key] = JSON.stringify(value)
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}
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},
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// Disable localStorage in child...
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clone: [function(){
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return function(res){
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res.config['url-history-local-storage-key'] = null
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res.config['url-history-loaded-local-storage-key'] = null
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}
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}],
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saveURLHistory: ['History/',
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function(){
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var history = this.config['url-history-local-storage-key']
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if(history != null){
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localStorage[history] =
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JSON.stringify(this.url_history)
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}
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this.saveLocation()
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}],
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saveLocation: ['History/',
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function(){
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var loaded = this.config['url-history-loaded-local-storage-key']
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if(loaded != null){
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localStorage[loaded] = JSON.stringify(this.location || {})
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}
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}],
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loadLastSavedBasePath: ['- History/',
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function(){
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var loaded = this.config['url-history-loaded-local-storage-key']
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if(loaded && localStorage[loaded]){
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var l = JSON.parse(localStorage[loaded])
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if(l.current != null && this.config['url-history-load-current']){
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this.one('load', function(){
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this.current = l.current
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})
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}
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this.openURLFromHistory(l.path, l.method)
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} else {
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this.openURLFromHistory(0)
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}
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}]
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})
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var URLHistoryLocalStorage =
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module.URLHistoryLocalStorage = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'url-history-local-storage',
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depends: [
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'ui',
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'url-history',
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],
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isApplicable: function(){
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return typeof(localStorage) != 'undefined'
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&& localStorage != null },
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actions: URLHistoryLocalStorageActions,
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// NOTE: loading is done by the .url_history prop...
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handlers: [
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['start',
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function(){ this.loadLastSavedBasePath() }],
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['stop.pre',
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function(){ this.saveURLHistory() }],
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// save base_path...
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['load',
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function(){ this.location && this.location.path && this.saveLocation() }],
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// save...
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['pushURLToHistory dropURLFromHistory setTopURLHistory',
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function(){
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this.saveURLHistory()
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}],
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// clear...
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['clearURLHistory.pre',
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function(){
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delete this.__url_history
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var history = this.config['url-history-local-storage-key']
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if(history){
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delete localStorage[history]
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}
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var loaded = this.config['url-history-loaded-local-storage-key']
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if(loaded){
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delete localStorage[loaded]
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}
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}],
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],
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})
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// XXX
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var URLHistoryFSWriter =
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module.URLHistoryFSWriter = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'url-history-fs-writer',
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depends: [
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'fs-writer',
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'url-history-local-storage',
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],
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config: {
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// XXX should we add a toggler action to toggle this?
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'url-history-push-to-top-on-save': false,
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},
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handlers: [
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['saveIndex',
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function(){
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// push saved to top...
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if(this.config['url-history-push-to-top-on-save']){
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this.pushURLToHistory()
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// update...
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} else {
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var l = this.location
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var e = this.url_history[l.path]
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if(e != null){
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e.open = l.method
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this.saveURLHistory()
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} else {
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this.pushURLToHistory()
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}
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}
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}],
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],
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})
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//---------------------------------------------------------------------
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var URLHistoryUIActions = actions.Actions({
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config: {
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// Indicate when to remove striked items from url history list
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//
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// Supported values:
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// - true | undefined - always remove
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// - flase - never remove
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// - [ 'open', 'close' ] - explicitly select event
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'url-history-list-clear': ['open', 'close'],
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},
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// XXX make availabilyty checking live (now on open dialog)...
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// XXX need to check items...
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// XXX use svg icons for buttons...
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listURLHistory: ['History|File/Show history',
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function(){
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var that = this
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var parent = this.preventClosing ? this.preventClosing() : null
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var cur = this.location.path
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var to_remove = []
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// remove stirked out elements...
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var removeStriked = function(evt){
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var rem = that.config['url-history-list-clear']
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if(rem == false || rem != null && rem.indexOf(evt) < 0){
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return
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}
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to_remove.forEach(function(e){
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that.dropURLFromHistory(e)
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})
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to_remove = []
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}
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var o = overlay.Overlay(this.ribbons.viewer,
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browse.makeList(
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null,
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Object.keys(this.url_history)
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.reverse()
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// NOTE: this might get a little slow for
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// very large sets...
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.map(function(p){
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return !that.checkURLFromHistory(p) ?
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'- ' + p
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: p
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}),
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{
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// add item buttons...
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itemButtons: [
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// move to top...
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['♦',
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function(p){
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var top = this.filter('*', false).first()
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var cur = this.filter('"'+p+'"', false)
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console.log('!!!', p)
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if(!top.is(cur)){
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top.before(cur)
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that.setTopURLHistory(p)
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}
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}],
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// mark for removal...
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['×',
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function(p){
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var e = this.filter('"'+p+'"', false)
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.toggleClass('strike-out')
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if(e.hasClass('strike-out')){
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to_remove.indexOf(p) < 0
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&& to_remove.push(p)
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} else {
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var i = to_remove.indexOf(p)
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if(i >= 0){
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to_remove.splice(i, 1)
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}
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}
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}],
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],
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})
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.open(function(evt, path){
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removeStriked('open')
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o.close()
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// close the parent ui...
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parent
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&& parent.close
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&& parent.close()
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that.openURLFromHistory(path)
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}))
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.close(function(){
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removeStriked('close')
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parent
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&& parent.focus
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&& parent.focus()
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})
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var list = o.client
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/*
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Object.keys(this.url_history).reverse().forEach(function(p){
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that.checkURLFromHistory(p) || list.filter(p).addClass('disabled')
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})
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*/
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// select and highlight current path...
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cur && list
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.select('"'+ cur +'"')
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.addClass('highlighted')
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return o
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}],
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})
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var URLHistoryUI =
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module.URLHistoryUI = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'ui-url-history',
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depends: [
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'ui',
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'url-history',
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],
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actions: URLHistoryUIActions,
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})
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/**********************************************************************
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* vim:set ts=4 sw=4 : */
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return module })
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