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Merge pull request #147 from sverweij/feature/local-storage
Feature/local storage
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 0.9.76 | ||
| 0.9.78 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* global localStorage */ | ||
| var store = require("../ui-control/store"); | ||
| var assert = require("assert"); | ||
|
|
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| describe('store', function() { | ||
| var lLanguage = "initial language"; | ||
| var lSource = "initial source"; | ||
| var lAutoRender = false; | ||
| var lDebug = false; | ||
|
|
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| var lState = { | ||
| getLanguage: function(){return "other language";}, | ||
| setLanguage: function(pLanguage){lLanguage = pLanguage;}, | ||
| getSource: function(){return "other source";}, | ||
| setSource: function(pSource){lSource = pSource;}, | ||
| getAutoRender: function(){return true;}, | ||
| setAutoRender: function(pAutoRender){lAutoRender = pAutoRender;}, | ||
| getDebug: function(){return true;}, | ||
| setDebug: function(pDebug){lDebug = pDebug;} | ||
| }; | ||
|
|
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| describe('#load and save with no localStorage available', function() { | ||
| it('silently fail on load', function(){ | ||
| store.load(lState); | ||
| assert.equal(lLanguage, "initial language"); | ||
| assert.equal(lSource, "initial source"); | ||
| assert.equal(lAutoRender, false); | ||
| assert.equal(lDebug, false); | ||
| }); | ||
|
|
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| it('silently fail on save', function(){ | ||
| store.save(lState); | ||
| store.load(lState); | ||
| assert.equal(lLanguage, "initial language"); | ||
| assert.equal(lSource, "initial source"); | ||
| assert.equal(lAutoRender, false); | ||
| assert.equal(lDebug, false); | ||
| }); | ||
| }); | ||
|
|
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| describe('#load and save', function() { | ||
| before(function(){ | ||
| global.localStorage = new require('node-localstorage').LocalStorage('./throwmeaway'); | ||
| localStorage.clear(); | ||
| }); | ||
|
|
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| after(function(){ | ||
| localStorage._deleteLocation(); | ||
| }); | ||
|
|
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| it('leaves the state as is when localStorage has no item', function() { | ||
| store.load(lState); | ||
| assert.equal(lLanguage, "initial language"); | ||
| assert.equal(lSource, "initial source"); | ||
| assert.equal(lAutoRender, false); | ||
| assert.equal(lDebug, false); | ||
| }); | ||
|
|
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| it('saves the passed state', function(){ | ||
| store.save(lState); | ||
| store.load(lState); | ||
| assert.equal(lLanguage, "other language"); | ||
| assert.equal(lSource, "other source"); | ||
| assert.equal(lAutoRender, true); | ||
| assert.equal(lDebug, true); | ||
| }); | ||
|
|
||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| /* jshint browser:true */ | ||
| /* jshint node:true */ | ||
|
|
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| /* istanbul ignore else */ | ||
| if ( typeof define !== 'function') { | ||
| var define = require('amdefine')(module); | ||
| } | ||
|
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| define([],function() { | ||
| "use strict"; | ||
|
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| var STORAGE_KEY = "state"; | ||
|
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| function localStorageOK (){ | ||
| return (typeof localStorage !== 'undefined'); | ||
| } | ||
|
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| function getState(){ | ||
| if (localStorageOK()){ | ||
| try { | ||
| return JSON.parse(localStorage.getItem(STORAGE_KEY)); | ||
| } catch (e){ | ||
| // silently swallow | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
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| function save(pState){ | ||
| if (localStorageOK()){ | ||
| localStorage.setItem(STORAGE_KEY, | ||
| JSON.stringify({ | ||
| language: pState.getLanguage(), | ||
| source: pState.getSource(), | ||
| autorender: pState.getAutoRender(), | ||
| debug: pState.getDebug() | ||
| }) | ||
| ); | ||
| } | ||
| } | ||
|
|
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| function load(pState){ | ||
| var lState = getState(); | ||
| if (lState){ | ||
| pState.setLanguage(lState.language); | ||
| pState.setSource(lState.source); | ||
| pState.setAutoRender(lState.autorender); | ||
| pState.setDebug(lState.debug); | ||
| } | ||
| } | ||
|
|
||
| return { | ||
| save: save, | ||
| load: load | ||
| }; | ||
| }); | ||
| /* | ||
| This file is part of mscgen_js. | ||
| mscgen_js is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| mscgen_js is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with mscgen_js. If not, see <http://www.gnu.org/licenses/>. | ||
| */ |
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