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Tieba Utilities

百度贴吧依赖脚本（寂寞的原子的公共库）

目前为 2015-02-06 提交的版本。查看 最新版本。

// ==UserScript==
// @name	Tieba Utilities
// @namespace	http://gera2ld.blog.163.com/
// @author	Gerald <[email protected]>
// @icon	http://cn.gravatar.com/avatar/a0ad718d86d21262ccd6ff271ece08a3?s=80
// @version	0.8.7
// @description	百度贴吧依赖脚本（寂寞的原子的公共库）
// @homepageURL	http://geraldl.net/userjs/TiebaUtils
// @match	*://*.baidu.com/*
// @include	*.baidu.com/*
// @run-at	document-start
// @grant	GM_getValue
// @grant GM_setValue
// ==/UserScript==

function initUtils(event_id){
	// communicate with content page
	var post=function(data){
		var e=document.createEvent("MutationEvent");
		e.initMutationEvent(event_id,false,false,null,null,null,JSON.stringify(data),e.ADDITION);
		document.dispatchEvent(e);
	};

	// popup menu for editor
	function Popup(b,funcs){
		this.funcs=funcs;
		this.container=null;
		this._onopen=this.onopen.bind(this);
		this._onclose=this.onclose.bind(this);
		this._ontoggle=this.ontoggle.bind(this);
		this.button=$(b).click(this._ontoggle);
		this.call('init').stopPropagation();
	}
	Popup.prototype={
		stopPropagation:function(){
			this.container.click(function(e){
				e.stopPropagation();
			});
			return this;
		},
		call:function(func){
			var f=this.funcs[func];
			if(f) f(this);
			return this;
		},
		getfunc:function(func){
			var t=this,f=t.funcs[func];
			if(f) return function(){f(t);};
		},
		onopen:function(){
			this.container.show();
			$(document).click(this._onclose);
			this.call('open');
			this.call('locate');
		},
		onclose:function(){
			this.container.hide();
			$(document).unbind('click',this._onclose);
			this.call('close');
		},
		ontoggle:function(e){
			e.preventDefault();
			if(this.container.is(':visible')) this.onclose();
			else setTimeout(this._onopen,0);
		},
	};

	var shortcuts={},links={
		hotkey:'http://geraldl.net/userjs/TiebaUtils#hotkey',
		advanced:'http://geraldl.net/userjs/TiebaAdvanced#advanced',
	},utils={
		index:function(objs,obj,key){
			for(var i=0;i<objs.length;i++)
				if(objs[i][key]===obj) return i;
			return -1;
		},
		wait: (function(){
			var objs=[];
			function init(obj,name,callbacks){
				var value=undefined;
				Object.defineProperty(obj,name,{
					get:function(){return value;},
					set:function(val){
						value=val;
						if(callbacks) {
							callbacks.forEach(function(f){f(val);});
							callbacks=null;
						}
					},
					configurable:true,
				});
			}
			return function(obj,name,callback) {
				if(obj[name]!==undefined) callback(obj[name]);
				else {
					var i=utils.index(objs,obj,'obj'),o=objs[i],c;
					if(!o) objs.push(o={obj:obj,callbacks:{}});
					c=o.callbacks[name];
					if(!c) c=o.callbacks[name]=[];
					c.push(callback);
					init(obj,name,c);
				}
			};
		})(),
		/* window cannot be observed, use utils.wait instead
		observe: (function(){
			var objs=[];
			function init(obj,o){
				// Opera Presto is not supported any more
				function observer(changes){
					changes.forEach(function(c){
						var d=o.data[c.name];
						if(d) {
							console.log('Observed: ',obj,c.name);
							d.forEach(function(f){f(obj[c.name]);});
							delete o.data[c.name];
							if(!--o.length) {
								o=objs.indexOf(o);
								if(o>=0) objs.splice(o,1);
								Object.unobserve(obj,observer,['add']);
							}
						}
					});
				}
				Object.observe(obj,observer,['add']);
			}
			return function(obj,name,callback) {
				if(name in obj) callback(obj[name]);
				else {
					var i=utils.index(objs,obj,'obj'),o=objs[i],d;
					if(!o) {
						objs.push(o={obj:obj,data:{},length:0});
						init(obj,o);
					}
					d=o.data[name];
					if(!d) {
						d=o.data[name]=[];
						o.length++;
					}
					d.push(callback);
				}
			};
		})(),*/
		find: function(selector,ancestor,callback){
			var o=$(selector,ancestor),mo;
			if(o.length) callback(o);
			else if(window.MutationObserver) {
				mo=new MutationObserver(function(changes){
					$.each(changes,function(i,e){
						$.each(e.addedNodes,function(i,o){
							o=$(o).find(selector);
							if(o.length) {
								mo.disconnect();
								callback(o);
							}
						});
					});
				});
				mo.observe(ancestor,{
					childList:true,
					subtree:true,
				});
			} else $(window).load(function(){
				callback($(selector,ancestor));
			});
		},
		hook: function(o,n,a) {
			var f;
			if(o&&(f=o[n])) {
				if(!f.hooked) {
					o[n]=function() {
						var t=this,a=arguments,f=a.callee,r=undefined,_r,i,stop=false;
						f.hookStop=function(){stop=true;};
						for(i=0;i<f.hook_before.length;i++){
							r=f.hook_before[i].apply(t,[f,a]);
							if(stop) return r;
						}
						r=f.hook_func.apply(t,a);
						for(i=0;i<f.hook_after.length;i++){
							_r=f.hook_after[i].apply(t,[f,r,a]);
							if(_r!==undefined) r=_r;
							if(stop) return r;
						}
						return r;
					};
					o[n].hook_func=f;
					f=o[n];
					f.hooked=true;
					f.hook_after=[];
					f.hook_before=[];
				}
				o=f.hook_after;
				if(n=a.after) {
					if(n.concat) f.hook_after=o.concat(n);
					else o.push(n);
				}
				o=f.hook_before;
				if(n=a.before) {
					if(n.concat) f.hook_before=o.concat(n);
					else o.push(n);
				}
			}
		},
		addStyle: function(css,id) {
			var s=document.getElementById(id)||document.createElement('style');
			if(id) s.id=id;if(css) s.innerHTML=css;
			document.head.appendChild(s);
			return $?$(s):s;
		},
		getObj: function(k,d) {
			var r=localStorage.getItem('ge_'+k),u=undefined,v=u;
			if(r) try{v=JSON.parse(r);}catch(e){}
			if(v==u&&d!=u) v=utils.setObj(k,d);
			return v;
		},
		setObj: function(k,v) {
			var j=JSON.stringify(v);
			localStorage.setItem('ge_'+k,j);
			post({cmd:'setvalue',data:{key:k,val:j}});
			return v;
		},
		addButton: function(t,o,m,a) {	// Base Function
			if(!a) a={};
			if(m) {
				var i,k=a.keys;
				if(!k||!k.length) k=['mousedown','mouseup'];
				for(i=0;i<k.length;i++) if(o[k[i]]) {o[k[i]].call(o,m);break;}
			}
			t=$(t);
			if(a.after) o.insertAfter(t.children(a.after));
			else if(a.before) o.insertBefore(t.children(a.before));
			else o.appendTo(t);
			return o;
		},
		addTButton: function(o,m) {	// Add Toolbar Button
			var tb=$('div.edui-btn-toolbar').first();
			if(m) o.click(m);
			return o.appendTo($('<div class="edui-btn edui-btn-bold" unselectable="on" onmousedown="return false">').prependTo(tb));
		},
		addSButton: function(v) {	// Add Big Button
			var b=$('<span class=poster_submit>').insertBefore('.poster_draft_status');
			b.label=$('<em>').html(v).appendTo(b).wrap('<a href="#" class="ui_btn ui_btn_m"><span>');
			return b;
		},
		addRPopup: function(b,o,c) { // Add popup for submit-like buttons
			return new Popup(b,{
				init:function(p){
					p.container=$('<div class=ge_panel_p title="">').prependTo(p.button).hide();
					p.caret=$('<i class=ge_caret>').appendTo(p.container).html('<i>');
					p.panel=$('<div class=ge_panel>').appendTo(p.container);
				},
				open:function(p){
					if(o) o(p);
					var l=Math.min(-50,$(document.body).innerWidth()-p.button.offset().left-p.panel.outerWidth());
					p.container.css({marginLeft:l});
					p.caret.css({left:p.button.width()/2-l-10});
				},
				close:c,
			});
		},
		addTPopup: function(b,o,c) { // Add popup for toolbar buttons
			return new Popup(b,{
				init:function(p){
					p.container=$('<div class="edui-dropdown-menu edui-popup" title="" style="display:block;top:44px;position:absolute;">').appendTo('.edui-dialog-container').hide();
					p.caret=$('<div class="edui-popup-caret up" style="top:-8px;position:absolute;">').appendTo(p.container);
					p.panel=$('<div class="edui-popup-body">').appendTo(p.container);
				},
				open:function(p){
					if(o) o(p);
					p.container.css({right:Math.max(-50,p.button.offset().left+p.button.width()-$(document.body).innerWidth())});
					p.caret.css({right:p.panel.outerWidth()+p.panel.offset().left-p.button.parent().offset().left-p.button.width()});
				},
				close:c,
			});
		},
		addLPopup: function(b,o,c) { // Add popup for Lzl buttons
			return new Popup(b,{
				init:function(p){
					p.container=$('<div class="lzl_edui_dialog_container">').hide();
					p.caret=$('<div class="inde_edui_popup_caret">').appendTo(p.container);
					p.panel=$('<div class="inde_edui_dropdown_menu">').appendTo(p.container);
				},
				reinit:function(p){
					p.stopPropagation().container.insertAfter(p.button);
				},
				open:function(p){
					if(o) o(p);
					p.container.css({left:'auto',right:0});
					p.caret.css({right:p.panel.outerWidth()+p.panel.offset().left-p.button.offset().left-p.button.width()});
				},
				close:c,
			});
		},
		bindProp: function(obj,prop,key,def,func,evt) {
			obj.prop(prop,utils.getObj(key,def));
			if(!evt) evt=['change'];
			evt.forEach(function(i){obj.bind(i,function(e){utils.setObj(key,this[prop]);if(func) obj.each(function(i,o){func.call(o,e);});});});
			return obj;
		},
		shortcut:function(key,func){
			key=key.toLowerCase();
			var d=[];
			if(key.slice(-2)=='--') {d.push('-');key=key.slice(0,-2).split('-');}
			else key=key.split('-');
			if(key.indexOf('m')>=0||key.indexOf('meta')>=0) d.unshift('m');
			if(key.indexOf('s')>=0||key.indexOf('shift')>=0) d.unshift('s');
			if(key.indexOf('a')>=0||key.indexOf('alt')>=0) d.unshift('a');
			if(key.indexOf('c')>=0||key.indexOf('ctrl')>=0) d.unshift('c');
			key=key.join('-');
			if(func) shortcuts[key]=func; else delete shortcuts[key];
		},
		list: function(lkey,ikey,dnew,def) {	// def===true: not null
			var t={};t.last=0;
			t.load=function(i,nosave){
				if(i==undefined) i=ikey?utils.getObj(ikey,0):0;
				if(i<0||!t.length) i=0; else if(i>=t.length) i=t.length-1;
				if(ikey&&!nosave) utils.setObj(ikey,i);
				t.cur=t.list[t.last=i];
				return t;
			};
			t.push=function(d){if(!d) d=dnew();t.list.push(d);t.save();return t.length-1;};
			t.pop=function(i){var o=t.list.splice(i,1)[0];t.save();t.load(i);return o;}
			t.save=function(){if(lkey) utils.setObj(lkey,t.list);if(ikey) utils.setObj(ikey,t.last);};
			t.list=lkey?utils.getObj(lkey,[]):[];
			Object.defineProperty(t,'length',{get:function(){return t.list.length;}});
			if(!t.length&&def) {if(def.concat) {t.list=def.concat();t.save();} else t.push();}
			return t;
		},
		getLink:function(t,o){
			o=o||{};
			var l=links[t];
			if(l) o.href=l;
			if(!o['target']) o.target='_blank';
			t=o.html||'';delete t.html;l=['<a'];
			for(i in o) l.push(i+'="'+o[i]+'"');
			return l.join(' ')+'>'+t+'</a>';
		},
		dialog:{	// Popup Window
			dialog:null,
			className:'ge_popup',
			show:function(o){
				var t=this,d=t.dialog;
				t.hide();t.obj=o;
				d.className=o.className||'';
				d.classList.add(t.className);
				d.innerHTML=o.html;
				if(o.init) o.init(d);
				d.style.display='block';
				d.style.top=(innerHeight-d.offsetHeight)/2+'px';
				d.style.left=(innerWidth-d.offsetWidth)/2+'px';
				document.addEventListener('click',t._hide=t.hide.bind(this),false);
			},
			hide:function(){
				var t=this,o=t.obj,d=t.dialog;
				if(o) {
					if(o.dispose) o.dispose(d);
					d.innerHTML='';d.className=t.className;
					d.style.display='none';t.obj=null;
					document.removeEventListener('click',t._hide,false);
				}
			},
		},
	};
	utils.popup=utils.dialog;
	document.addEventListener('keydown',function(e){
		if(e.target==document.body){
			var k=[],f;
			if(e.ctrlKey) k.push('c');
			if(e.altKey) k.push('a');
			if(e.shiftKey) k.push('s');
			if(e.metaKey) k.push('m');
			k.push(String.fromCharCode(e.keyCode));
			k=k.join('-').toLowerCase();
			if(f=shortcuts[k]) {e.preventDefault();f();}
		}
	},false);
	window.addEventListener('DOMContentLoaded',function(){
		var d=document.createElement('div');document.body.appendChild(d);
		d.addEventListener('click',function(e){e.stopPropagation();},false);
		utils.dialog.dialog=d;
		utils.addStyle('\
.ge_x{clear:both;}\
.ge_popup{display:none;z-index:10006;font:normal normal 400 12px/18px 宋体;position:fixed;background:white;border:1px solid silver;box-shadow:5px 5px 7px #333;text-align:left;}\
.ge_mask{background:rgba(0,0,0,0.6);position:fixed;top:0;bottom:0;left:0;right:0;z-index:1007;display:none;}\
.ge_panel_p{position:relative;z-index:1006;}\
.ge_panel{position:absolute;background:#eee;border:1px solid black;padding:10px;border-radius:5px;bottom:0;white-space:nowrap;}\
.ge_caret,.ge_caret>i{position:absolute;border:solid;border-color:black transparent;border-width:8px 8px 0;z-index:889;}\
.ge_caret>i{border-top-color:#eee;top:-9px;left:-8px;}\
.ge_sbtn{background:#77f;color:white;border-radius:3px;border:1px solid;border:none;margin:2px;cursor:pointer;text-align:center;}\
span.ge_sbtn{padding:2px 3px;}\
.ge_disabled{background:gray;cursor:default;}\
.ge_rsep{margin-right:10px;}\
.ge_opt{padding:20px;border-radius:5px;}\
.ge_opt fieldset{border:1px solid silver;border-radius:5px;padding:5px;}\
.ge_opt textarea{min-height:100px;width:100%;}\
','ge_css');
	},false);
	var gkey='__ge_firefox',ff=window[gkey];
	if(!ff) ff=window[gkey]={};
	ff['utils']=utils;
}

function injectScript(code){
	var s=document.createElement('script'),p=document.body||document.documentElement;
	s.innerHTML=code;
	p.appendChild(s);p.removeChild(s);
}
function setvalue(o){
	if(o) data[o.key]=o.val;
	GM_setValue('data',JSON.stringify(data));
}
var event_id='utils'+(Math.random()*65536).toString(36),data;
try{
	data=JSON.parse(GM_getValue('data','{}'));
}catch(e){
	data={};
}
if(!localStorage.ge_backup) {
	var i,k;
	if(data.backup) {
		for(i in data) localStorage.setItem('ge_'+i,data[i]);
	} else {
		data.backup=1;
		for(i=0;i<localStorage.length;i++) {
			k=localStorage.key(i);
			if(k.slice(0,3)=='ge_') data[k.slice(3)]=localStorage.getItem(k);
		}
		setvalue();
	}
}
document.addEventListener(event_id,function(e){
	var o=JSON.parse(e.attrName),
	mappings={
		setvalue:setvalue,
	},f=mappings[o.cmd];
	if(f) f(o.data);
},false);
injectScript('!'+initUtils.toString()+'('+JSON.stringify(event_id)+')');