new node after header is paragraph
[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / gutter.js
1 define(function(require) {
2     
3 'use strict';
4
5 var $ = require('libs/jquery'),
6     _ = require('libs/underscore'),
7     Backbone = require('libs/backbone'),
8     gutterBoxTemplate = require('libs/text!./gutterBox.html');
9
10
11 var GutterView = function(gutter) {
12     gutter.on('show', function(group) {
13         if(this.groupView) {
14             this.groupView.remove();
15         }
16         this.groupView = new GutterGroupView(this, group);
17         this.dom.append(this.groupView.dom);
18         this.groupView.dom.css({top: group.getOffsetHint()});
19         this.groupView.show();
20     }, this);
21     this.dom = $('<div class="gutter"></div>');
22 };
23
24
25 var GutterGroupView = function(gutterView, group) {
26     this.gutterView = gutterView;
27     this.group = group;
28     this.views  = [];
29     
30     this.dom = $(gutterBoxTemplate);
31
32     this.dom.on('click', function() {
33         if(!this.dom.hasClass('focused')) {
34             var canvas = this.group.meta.canvas;
35             canvas.setCurrentElement(this.group.meta);
36         }
37     }.bind(this));
38     
39     this.group.views.forEach(function(view) {
40         this.onViewAdded(view);
41     }.bind(this));
42     
43     this.group.on('viewAdded', this.onViewAdded, this);
44     this.group.on('focusToggled', this.onFocusToggled, this);
45     this.group.on('removed', this.remove, this);
46 };
47 $.extend(GutterGroupView.prototype, {
48     remove: function() {
49         this.group.off('viewAdded', this.onViewAdded);
50         this.group.off('focusToggled', this.onFocusToggled);
51         this.group.off('removed', this.removed);
52         this.dom.detach();
53     },
54     onViewAdded: function(view) {
55         this.views.push(view);
56         this.dom.append(view.dom);
57     },
58     show: function() {
59         this.dom.addClass('focused');
60         this.views.forEach(function(view) {
61             if(view.onActivated) {
62                 view.onActivated();
63             }
64         });
65     }
66 });
67
68
69
70 /// model
71
72 var ViewGroup = function(params, gutter, meta) {
73     this.gutter = gutter;
74     this.params = params;
75     this.meta = meta;
76     this.view = $(gutterBoxTemplate);
77     this.views = [];
78 };
79 $.extend(ViewGroup.prototype, Backbone.Events, {
80     getOffsetHint: function() {
81         return _.isFunction(this.params.offsetHint) ? this.params.offsetHint() : this.params.offsetHint;
82     },
83     addView: function(view) {
84         this.views.push(view);
85         this.trigger('viewAdded', view);
86     },
87     show: function() {
88         this.gutter.show(this);
89     },
90     remove: function() {
91         this.trigger('removed');
92     }
93 });
94
95
96 var Gutter = function() {
97 };
98
99 _.extend(Gutter.prototype, Backbone.Events, {
100     createViewGroup: function(params, meta) {
101         return new ViewGroup(params, this, meta);
102     },
103     show: function(group) {
104         this.trigger('show', group);
105     },
106 });
107
108
109 return {
110     create: function() {
111         return new Gutter();
112     },
113     GutterView: GutterView,
114     GutterGroupView: GutterGroupView
115 };
116
117 });