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author | Dan Finlay <dan@danfinlay.com> | 2017-07-21 03:38:38 +0800 |
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committer | Dan Finlay <dan@danfinlay.com> | 2017-07-21 03:38:38 +0800 |
commit | 86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6 (patch) | |
tree | b4a6805e5e2a4de48c880d80f4b87d1f3b560a18 /ui/lib/persistent-form.js | |
parent | 199587383b022a17d56adcb56d6a99ceba71fec7 (diff) | |
download | tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.tar.gz tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.tar.zst tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.zip |
Move responsive ui into its own folder for easier merges
Diffstat (limited to 'ui/lib/persistent-form.js')
-rw-r--r-- | ui/lib/persistent-form.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/ui/lib/persistent-form.js b/ui/lib/persistent-form.js new file mode 100644 index 000000000..d4dc20b03 --- /dev/null +++ b/ui/lib/persistent-form.js @@ -0,0 +1,61 @@ +const inherits = require('util').inherits +const Component = require('react').Component +const defaultKey = 'persistent-form-default' +const eventName = 'keyup' + +module.exports = PersistentForm + +function PersistentForm () { + Component.call(this) +} + +inherits(PersistentForm, Component) + +PersistentForm.prototype.componentDidMount = function () { + const fields = document.querySelectorAll('[data-persistent-formid]') + const store = this.getPersistentStore() + + for (var i = 0; i < fields.length; i++) { + const field = fields[i] + const key = field.getAttribute('data-persistent-formid') + const cached = store[key] + if (cached !== undefined) { + field.value = cached + } + + field.addEventListener(eventName, this.persistentFieldDidUpdate.bind(this)) + } +} + +PersistentForm.prototype.getPersistentStore = function () { + let store = window.localStorage[this.persistentFormParentId || defaultKey] + if (store && store !== 'null') { + store = JSON.parse(store) + } else { + store = {} + } + return store +} + +PersistentForm.prototype.setPersistentStore = function (newStore) { + window.localStorage[this.persistentFormParentId || defaultKey] = JSON.stringify(newStore) +} + +PersistentForm.prototype.persistentFieldDidUpdate = function (event) { + const field = event.target + const store = this.getPersistentStore() + const key = field.getAttribute('data-persistent-formid') + const val = field.value + store[key] = val + this.setPersistentStore(store) +} + +PersistentForm.prototype.componentWillUnmount = function () { + const fields = document.querySelectorAll('[data-persistent-formid]') + for (var i = 0; i < fields.length; i++) { + const field = fields[i] + field.removeEventListener(eventName, this.persistentFieldDidUpdate.bind(this)) + } + this.setPersistentStore({}) +} + |