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* Update for spec complience * Polymer 0.5 -> 1 changes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,77 +1,85 @@ | ||
| <link rel="import" href="../bower_components/polymer/polymer.html"> | ||
|
|
||
| <polymer-element name="td-model" attributes="filter items storageId"> | ||
| <dom-module id="td-model"> | ||
| <template> | ||
| <iron-localstorage name="todos-polymer" value="{{items}}" on-iron-localstorage-load-empty="initializeDefaultTodos"></iron-localstorage> | ||
| </template> | ||
| <script> | ||
| Polymer('td-model', { | ||
| filtered: null, | ||
| completedCount: 0, | ||
| activeCount: 0, | ||
| allCompleted: false, | ||
| ready: function() { | ||
| this.asyncMethod(function() { | ||
| this.items = this.storage.value || []; | ||
| }); | ||
| }, | ||
| filterChanged: function() { | ||
| this.asyncMethod(function() { | ||
| this.filterItems(); | ||
| }); | ||
| }, | ||
| itemsChanged: function() { | ||
| this.completedCount = this.items.filter(this.filters.completed).length; | ||
| this.activeCount = this.items.length - this.completedCount; | ||
| this.allCompleted = this.completedCount && !this.activeCount; | ||
| this.filterItems(); | ||
| if (this.storage) { | ||
| this.storage.value = this.items; | ||
| this.storage.save(); | ||
| } | ||
| }, | ||
| storageIdChanged: function() { | ||
| this.storage = document.querySelector('#' + this.storageId); | ||
| if (this.storage) { | ||
| this.items = this.storage.value; | ||
| } | ||
| }, | ||
| filterItems: function() { | ||
| var fn = this.filters[this.filter]; | ||
| this.filtered = fn ? this.items.filter(fn) : this.items; | ||
| }, | ||
| newItem: function(title) { | ||
| title = String(title).trim(); | ||
| if (title) { | ||
| var item = { | ||
| (function() { | ||
| 'use strict'; | ||
|
|
||
| Polymer({ | ||
| is: 'td-model', | ||
| properties: { | ||
| items: { | ||
| type: Array, | ||
| notify: true | ||
| }, | ||
| filter: String | ||
| }, | ||
| initializeDefaultTodos: function() { | ||
| this.items = []; | ||
| }, | ||
| newItem: function(title) { | ||
| title = String(title).trim(); | ||
|
|
||
| if (!title) { | ||
| return; | ||
| } | ||
|
|
||
| this.push('items', { | ||
| title: title, | ||
| completed: false | ||
| }; | ||
| this.items.push(item); | ||
| this.itemsChanged(); | ||
| } | ||
| }, | ||
| destroyItem: function(item) { | ||
| var i = this.items.indexOf(item); | ||
| if (i >= 0) { | ||
| this.items.splice(i, 1); | ||
| } | ||
| this.itemsChanged(); | ||
| }, | ||
| clearItems: function (){ | ||
| this.items = this.items.filter(this.filters.active); | ||
| }, | ||
| setItemsCompleted: function(completed) { | ||
| this.items.forEach(function(item) { | ||
| item.completed = completed; | ||
| }); | ||
| this.itemsChanged(); | ||
| }, | ||
| filters: { | ||
| active: function(item) { | ||
| return !item.completed; | ||
| }); | ||
| }, | ||
| getCompletedCount: function(items) { | ||
| return items === null ? 0 : items.filter(this.filters.completed).length | ||
| }, | ||
| getActiveCount: function(items) { | ||
| return items.length - this.getCompletedCount(items); | ||
| }, | ||
| areAllCompleted: function(items) { | ||
| return this.getCompletedCount(items) && !this.getActiveCount(items) ? true : false; | ||
| }, | ||
| matchesFilter: function(item, filter) { | ||
| var fn = this.filters[filter]; | ||
| return this.filtered = fn ? fn(item) : true; | ||
| }, | ||
| destroyItem: function(item) { | ||
| var i = this.items.indexOf(item); | ||
|
|
||
| i !== -1 && this.splice('items', i, 1); | ||
| }, | ||
| clearCompletedItems: function (){ | ||
| this.items = this.items.filter(this.filters.active); | ||
| }, | ||
| setItemsCompleted: function(completed) { | ||
| // Since we are mutating elements in an array here | ||
| // and we want everyone to know about it we must go through | ||
| // the polymer internal `splice` api. The fix that comes to my mind here | ||
| // would be to use a hash or set to represent this structure so that the mutations | ||
| // would happening on an object with real key value pairs instead of an object | ||
| // nested inside of an array | ||
| // Polymer array mutation docs: https://www.polymer-project.org/1.0/docs/devguide/properties.html#array-mutation | ||
| this.items.forEach(function(item, i) { | ||
| if (this.filter) { | ||
| if (this.filters[this.filter](item)) { | ||
| this.splice('items', i, 1, {title: item.title, completed: completed}); | ||
| } | ||
| } else { | ||
| this.splice('items', i, 1, {title: item.title, completed: completed}); | ||
| } | ||
| }, this); | ||
| }, | ||
| completed: function(item) { | ||
| return item.completed; | ||
| filters: { | ||
| active: function(item) { | ||
| return !item.completed; | ||
| }, | ||
| completed: function(item) { | ||
| return item.completed; | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
| })(); | ||
| </script> | ||
| </polymer-element> | ||
| </dom-module> |
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