-
Notifications
You must be signed in to change notification settings - Fork 863
/
draft.js
195 lines (192 loc) · 8.26 KB
/
draft.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/*
Copyright 2014, KISSY v1.50
MIT Licensed
build time: Apr 4 12:14
*/
/*
Combined modules by KISSY Module Compiler:
editor/plugin/draft
*/
KISSY.add("editor/plugin/draft", ["editor", "json", "event", "./local-storage", "overlay", "./menubutton"], function(S, require) {
var Editor = require("editor");
var Json = require("json");
var Event = require("event");
var localStorage = require("./local-storage");
var Overlay = require("overlay");
var MenuButton = require("./menubutton");
var Node = S.Node, LIMIT = 5, INTERVAL = 5, DRAFT_SAVE = "ks-editor-draft-save20110503";
function padding(n, l, p) {
n += "";
while(n.length < l) {
n = p + n
}
return n
}
function date(d) {
if(typeof d === "number") {
d = new Date(d)
}
if(d instanceof Date) {
return[d.getFullYear(), "-", padding(d.getMonth() + 1, 2, "0"), "-", padding(d.getDate(), 2, "0"), " ", padding(d.getHours(), 2, "0"), ":", padding(d.getMinutes(), 2, "0"), ":", padding(d.getSeconds(), 2, "0")].join("")
}else {
return d
}
}
function Draft(editor, config) {
this.editor = editor;
this.config = config;
this._init()
}
var addRes = Editor.Utils.addRes, destroyRes = Editor.Utils.destroyRes;
S.augment(Draft, {_getSaveKey:function() {
var self = this, cfg = self.config;
return cfg.draft && cfg.draft.saveKey || DRAFT_SAVE
}, _getDrafts:function() {
var self = this;
if(!self.drafts) {
var str = localStorage.getItem(self._getSaveKey()), drafts = [];
if(str) {
drafts = localStorage === window.localStorage ? Json.parse(S.urlDecode(str)) : str
}
self.drafts = drafts
}
return self.drafts
}, _init:function() {
var self = this, editor = self.editor, prefixCls = editor.get("prefixCls"), statusbar = editor.get("statusBarEl"), cfg = this.config;
cfg.draft = cfg.draft || {};
self.draftInterval = cfg.draft.interval = cfg.draft.interval || INTERVAL;
self.draftLimit = cfg.draft.limit = cfg.draft.limit || LIMIT;
var holder = (new Node('<div class="' + prefixCls + 'editor-draft">' + '<span class="' + prefixCls + 'editor-draft-title">' + "\u5185\u5bb9\u6b63\u6587\u6bcf" + cfg.draft.interval + "\u5206\u949f\u81ea\u52a8\u4fdd\u5b58\u4e00\u6b21\u3002" + "</span>" + "</div>")).appendTo(statusbar);
self.timeTip = (new Node('<span class="' + prefixCls + 'editor-draft-time"/>')).appendTo(holder);
var save = (new Node(S.substitute('<a href="#" ' + 'onclick="return false;" ' + 'class="{prefixCls}editor-button ' + '{prefixCls}editor-draft-save-btn ks-inline-block" ' + 'style="' + "vertical-align:middle;" + "padding:1px 9px;" + '">' + '<span class="{prefixCls}editor-draft-save">' + "</span>" + "<span>\u7acb\u5373\u4fdd\u5b58</span>" + "</a>", {prefixCls:prefixCls}))).unselectable(undefined).appendTo(holder), versions = (new MenuButton({render:holder, collapseOnClick:true, width:"100px", prefixCls:prefixCls +
"editor-", menu:{width:"225px", align:{points:["tr", "br"]}}, matchElWidth:false, content:"\u6062\u590d\u7f16\u8f91\u5386\u53f2"})).render();
self.versions = versions;
versions.on("beforeCollapsedChange", function beforeCollapsedChange(e) {
if(!e.newValue) {
versions.detach("beforeCollapsedChange", beforeCollapsedChange);
self.sync()
}
});
save.on("click", function(ev) {
self.save(false);
ev.halt()
});
addRes.call(self, save);
if(editor.get("textarea")[0].form) {
(function() {
var textarea = editor.get("textarea"), form = textarea[0].form;
function saveF() {
self.save(true)
}
Event.on(form, "submit", saveF);
addRes.call(self, function() {
Event.remove(form, "submit", saveF)
})
})()
}
var timer = setInterval(function() {
self.save(true)
}, self.draftInterval * 60 * 1E3);
addRes.call(self, function() {
clearInterval(timer)
});
versions.on("click", self.recover, self);
addRes.call(self, versions);
self.holder = holder;
if(cfg.draft.helpHTML) {
var help = (new Node("<a " + 'tabindex="0" ' + 'hidefocus="hidefocus" ' + 'class="' + prefixCls + 'editor-draft-help" ' + 'title="\u70b9\u51fb\u67e5\u770b\u5e2e\u52a9" ' + "href=\"javascript:void('\u70b9\u51fb\u67e5\u770b\u5e2e\u52a9 ')\">\u70b9\u51fb\u67e5\u770b\u5e2e\u52a9</a>")).unselectable(undefined).appendTo(holder);
help.on("click", function() {
help[0].focus();
if(self.helpPopup && self.helpPopup.get("visible")) {
self.helpPopup.hide()
}else {
self._prepareHelp()
}
});
help.on("blur", function() {
if(self.helpPopup) {
self.helpPopup.hide()
}
});
self.helpBtn = help;
addRes.call(self, help);
Editor.Utils.lazyRun(self, "_prepareHelp", "_realHelp")
}
addRes.call(self, holder)
}, _prepareHelp:function() {
var self = this, editor = self.editor, prefixCls = editor.get("prefixCls"), cfg = self.config, draftCfg = cfg.draft, help = new Node(draftCfg.helpHTML || "");
var arrowCss = "height:0;" + "position:absolute;" + "font-size:0;" + "width:0;" + "border:8px #000 solid;" + "border-color:#000 transparent transparent transparent;" + "border-style:solid dashed dashed dashed;";
var arrow = new Node('<div style="' + arrowCss + "border-top-color:#CED5E0;" + '">' + '<div style="' + arrowCss + "left:-8px;" + "top:-10px;" + "border-top-color:white;" + '">' + "</div>" + "</div>");
help.append(arrow);
help.css({border:"1px solid #ACB4BE", "text-align":"left"});
self.helpPopup = (new Overlay({content:help, prefixCls:prefixCls + "editor-", width:help.width() + "px", zIndex:Editor.baseZIndex(Editor.ZIndexManager.OVERLAY), mask:false})).render();
self.helpPopup.get("el").css("border", "none");
self.helpPopup.arrow = arrow
}, _realHelp:function() {
var win = this.helpPopup, helpBtn = this.helpBtn, arrow = win.arrow;
win.show();
var off = helpBtn.offset();
win.get("el").offset({left:off.left - win.get("el").width() + 17, top:off.top - win.get("el").height() - 7});
arrow.offset({left:off.left - 2, top:off.top - 8})
}, disable:function() {
this.holder.css("visibility", "hidden")
}, enable:function() {
this.holder.css("visibility", "")
}, sync:function() {
var self = this, i, draftLimit = self.draftLimit, timeTip = self.timeTip, versions = self.versions, drafts = self._getDrafts(), draft, tip;
if(drafts.length > draftLimit) {
drafts.splice(0, drafts.length - draftLimit)
}
versions.removeItems(true);
for(i = 0;i < drafts.length;i++) {
draft = drafts[i];
tip = (draft.auto ? "\u81ea\u52a8" : "\u624b\u52a8") + "\u4fdd\u5b58\u4e8e : " + date(draft.date);
versions.addItem({content:tip, value:i})
}
if(!drafts.length) {
versions.addItem({disabled:true, content:"\u5c1a\u65e0\u5386\u53f2", value:""})
}
timeTip.html(tip);
localStorage.setItem(self._getSaveKey(), localStorage === window.localStorage ? encodeURIComponent(Json.stringify(drafts)) : drafts)
}, save:function(auto) {
var self = this, drafts = self._getDrafts(), editor = self.editor, data = editor.getFormatData();
if(!data) {
return
}
if(drafts[drafts.length - 1] && data === drafts[drafts.length - 1].content) {
drafts.length -= 1
}
self.drafts = drafts.concat({content:data, date:(new Date).getTime(), auto:auto});
self.sync()
}, recover:function(ev) {
var self = this, editor = self.editor, drafts = self._getDrafts(), v = ev.target.get("value");
if(window.confirm("\u786e\u8ba4\u6062\u590d " + date(drafts[v].date) + " \u7684\u7f16\u8f91\u5386\u53f2\uff1f")) {
editor.execCommand("save");
editor.setData(drafts[v].content);
editor.execCommand("save")
}
ev.halt()
}, destroy:function() {
destroyRes.call(this)
}});
function init(editor, config) {
var d = new Draft(editor, config);
editor.on("destroy", function() {
d.destroy()
})
}
function DraftPlugin(config) {
this.config = config || {}
}
S.augment(DraftPlugin, {pluginRenderUI:function(editor) {
var config = this.config;
if(localStorage.ready) {
localStorage.ready(function() {
init(editor, config)
})
}else {
init(editor, config)
}
}});
return DraftPlugin
});