history wip - displaying history items

[fnpeditor.git] / modules / documentHistory / documentHistory.js

diff --git a/modules/documentHistory/documentHistory.js b/modules/documentHistory/documentHistory.js
new file mode 100644 (file)
index 0000000..05cddbc
--- /dev/null
+++ b/modules/documentHistory/documentHistory.js
@@ -0,0 +1,95 @@
+define([\r
+'libs/jquery-1.9.1.min',\r
+'libs/underscore-min',\r
+'libs/text!./templates/main.html',\r
+'libs/text!./templates/item.html'\r
+], function($, _, mainTemplateSrc, itemTemplateSrc) {\r
+\r
+'use strict';\r
+    \r
+return function(sandbox) {\r
+    \r
+    var dom = $(_.template(mainTemplateSrc)());\r
+    var domNodes = {\r
+        itemList: dom.find('.rng-module-documentHistory-itemsList'),\r
+    }\r
+    var itemViews = [];\r
+        \r
+    var addHistoryItem = function(item) {\r
+        historyItems.add(item);\r
+        var view = new itemView(item);\r
+        itemViews.push(view);\r
+        domNodes.itemList.append(view.dom);\r
+    }\r
+    \r
+    var toggleItemViews = function(toggle) {\r
+        itemViews.forEach(function(view) {\r
+            view.toggle(toggle);\r
+        });\r
+    }\r
+    \r
+    var historyItems = {\r
+        _itemsById: {},\r
+        _selected: [],\r
+        select: function(id) {\r
+            if(this._selected.length < 2) {\r
+                this._selected.push(id);\r
+                if(this._selected.length === 2)\r
+                    toggleItemViews(false);\r
+                return true;\r
+            }\r
+            return false;\r
+        },\r
+        unselect: function(item) {\r
+            this._selected = _.without(this._selected, id);\r
+            if(this._selected.length < 2)\r
+                toggleItemViews(true);\r
+        },\r
+        add: function(item) {\r
+            this._itemsById[item.id] = item;\r
+        },\r
+        selected: function(item) {\r
+            return _.contains(_selected, item.id);\r
+        }\r
+    };\r
+    \r
+    var itemView = function(item) {\r
+        this.item = item;\r
+        this.dom = $(this.template(item));\r
+        this.dom.on('click', this.onItemClicked);\r
+    };\r
+    itemView.prototype.template = _.template(itemTemplateSrc);\r
+    itemView.prototype.onItemClicked = function() {\r
+        if(historyItems.selected(item)) {\r
+            historyItems.unselect(item);\r
+            this.dimItem();\r
+        } else if(historyItems.select(item)) {\r
+            this.highlightItem();\r
+        }            \r
+    };\r
+    itemView.prototype.highlightItem = function() {\r
+        \r
+    };\r
+    itemView.prototype.dimItem = function() {\r
+    \r
+    };\r
+    itemView.prototype.toggle = function(toggle) {\r
+    \r
+    };\r
+\r
+    \r
+    \r
+    return {\r
+        start: function() { sandbox.publish('ready'); },\r
+        setHistory: function(history) {\r
+            history.forEach(function(historyItem) {\r
+                addHistoryItem(historyItem);\r
+            });\r
+        },\r
+        getView: function() {\r
+            return dom;\r
+        }\r
+    }\r
+}\r
+\r
+});
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