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octotree.js
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octotree.js
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$(document).ready(function() {
var store = new Storage()
parallel(Object.keys(STORE), setDefault, loadExtension)
function setDefault(key, cb) {
var storeKey = STORE[key]
var local = storeKey === STORE.TOKEN
store.get(storeKey, local, function(val) {
store.set(storeKey, val == null ? DEFAULTS[key] : val, local, cb)
})
}
function loadExtension() {
var $html = $('html')
, $document = $(document)
, $dom = $(TEMPLATE)
, $sidebar = $dom.find('.octotree_sidebar')
, $toggler = $sidebar.find('.octotree_toggle')
, $views = $sidebar.find('.octotree_view')
, adapter = new GitHub()
, optsView = new OptionsView($dom, store)
, helpPopup = new HelpPopup($dom, store)
, treeView = new TreeView($dom, store, adapter)
, errorView = new ErrorView($dom, store)
, currRepo = false
, hasError = false
$sidebar
.appendTo($('body'))
.width(parseFloat(store.get(STORE.WIDTH)))
.resizable({ handles: 'e', minWidth: 200 })
.resize(layoutChanged)
$(window).resize(function(event) { // handle zoom
if (event.target === window) layoutChanged()
})
$toggler.click(toggleSidebarAndSave)
key.filter = function() { return $toggler.is(':visible') }
key(store.get(STORE.HOTKEYS), toggleSidebarAndSave)
;[treeView, errorView, optsView].forEach(function(view) {
$(view)
.on(EVENT.VIEW_READY, function(event) {
if (this !== optsView) $document.trigger(EVENT.REQ_END)
showView(this.$view)
})
.on(EVENT.VIEW_CLOSE, function() {
showView(hasError ? errorView.$view : treeView.$view)
})
.on(EVENT.OPTS_CHANGE, optionsChanged)
})
$document
.on('pjax:send ' + EVENT.REQ_START, function() {
$toggler.addClass('loading')
})
.on('pjax:end ' + EVENT.REQ_END, function() {
$toggler.removeClass('loading')
})
.on('pjax:timeout', function(event) {
event.preventDefault()
})
.on(EVENT.LOC_CHANGE, tryLoadRepo)
.on(EVENT.TOGGLE, layoutChanged)
return tryLoadRepo()
function optionsChanged(event, changes) {
var reload = false
Object.keys(changes).forEach(function(storeKey) {
var value = changes[storeKey]
switch (storeKey) {
case STORE.COLLAPSE:
case STORE.TOKEN:
reload = true
break
case STORE.HOTKEYS:
key.unbind(value[0])
key(value[1], toggleSidebar)
break
}
})
if (reload) tryLoadRepo(true)
}
function tryLoadRepo(reload) {
var remember = store.get(STORE.REMEMBER)
, showInNonCodePage = store.get(STORE.NONCODE)
, shown = store.get(STORE.SHOWN)
, lazyload = store.get(STORE.LAZYLOAD)
, token = store.get(STORE.TOKEN)
, repo = adapter.getRepoFromPath(showInNonCodePage, currRepo)
if (repo) {
$toggler.show()
helpPopup.show()
if (remember && shown) toggleSidebar(true)
if (!lazyload || isSidebarVisible()) {
var repoChanged = JSON.stringify(repo) !== JSON.stringify(currRepo)
if (repoChanged || reload === true) {
$document.trigger(EVENT.REQ_START)
currRepo = repo
treeView.showHeader(repo)
adapter.fetchData({ repo: repo, token: token }, function(err, tree) {
if (err) errorView.show(err)
else treeView.show(repo, tree)
})
}
else treeView.syncSelection()
}
}
else {
$toggler.hide()
toggleSidebar(false)
}
}
function showView(view) {
$views.removeClass('current')
view.addClass('current')
}
function toggleSidebarAndSave() {
store.set(STORE.SHOWN, !isSidebarVisible(), function() {
toggleSidebar()
if (isSidebarVisible()) {
tryLoadRepo()
}
})
}
function toggleSidebar(visibility) {
if (visibility !== undefined) {
if (isSidebarVisible() === visibility) return
toggleSidebar()
}
else {
$html.toggleClass(PREFIX)
$document.trigger(EVENT.TOGGLE, isSidebarVisible())
}
}
function layoutChanged() {
var width = $sidebar.width()
adapter.updateLayout(isSidebarVisible(), width)
store.set(STORE.WIDTH, width)
}
function isSidebarVisible() {
return $html.hasClass(PREFIX)
}
}
})