/**
* @package org.jixun.tieba.ui
* @author  jixun
* @source  http://tb1.bdstatic.com/tb/static-common/lib/tb_lib_04e7791.js
*/
// Debugging
// var unsafeWindow = window;
// 配置项目参见 $.dialog.setting 的值
// new $.dialog ( { 配置 } )
// 静态函数已经在相关函数注释了
// $.dialog.open
// $.dialog.ask
// ...
(function ($) {
$.fn.draggable = function(opt) {
var $that = this;
opt = $.extend({
handle: $that,
start: $.noop,
stop: $.noop
}, opt);
var _element = $that[0],
_elementParent = $that.parent()[0];
var _getPos = function (ele) {
var addOn = ele.offsetParent != _elementParent && ele.offsetParent
? _getPos (ele.offsetParent)
: {x: 0, y: 0};
return {
x: ele.offsetLeft + addOn.x,
y: ele.offsetTop + addOn.y
};
};
var baseOffset, offset, isDrag;
var _mouseDown = function (e) {
baseOffset = _getPos (_element);
offset = {
x: e.pageX,
y: e.pageY
};
isDrag = true;
e.preventDefault();
opt.start();
}, _mouseUp = function () {
isDrag = false;
opt.stop ();
}, _mouseMove = function (e) {
if (!isDrag) return;
$that.css ({
left: baseOffset.x + e.pageX - offset.x,
top : baseOffset.y + e.pageY - offset.y
});
};
opt.handle.on('mousedown', _mouseDown);
$(document)
.on ('mousemove', _mouseMove)
.on ('mouseup',   _mouseUp);
return function () {
opt.handle.off ('mousedown', _mouseDown);
$(document)
.off ('mousemove', _mouseMove)
.off ('mouseup',   _mouseUp);
};
};
$.getzIndex = function () {
$.zIndex = $.zIndex || 50000;
return $.zIndex ++;
};
var $modal = function (opts) {
var that = this;
this.cfg = $.extend({}, {
className: "dialogJmodal",
resizeable: true
}, opts);
this.element =
$('<div>')
.addClass(this.cfg.className)
.appendTo(document.body)
.css({
display: "none",
zIndex: $.getzIndex(),
width: this.width(),
height: this.height()
});
if (this.cfg.show)
this.show ();
this.resizeFunc = function () {
that.css({
width: that.width (),
height: that.height ()
});
that.triggerHandler("resize");
};
if (this.cfg.resizeable) {
$(unsafeWindow).on("resize", this.resizeFunc);
}
};
$modal.prototype = {
constructor: $modal,
show: function () {
this.element.show.apply(this.element, arguments);
},
hide: function () {
this.element.hide.apply(this.element, arguments);
},
width: function () {
return $(unsafeWindow).width();
},
height: function () {
return Math.max($("body").height(), $("html").height());
},
css: function () {
return this.element.css.apply(this.element, arguments);
},
triggerHandler: function () {
this.element.triggerHandler.apply(this.element, arguments);
},
bind: function () {
this.element.on.apply(this.element, arguments);
},
remove: function () {
if (this.element) {
this.element.remove();
}
$(unsafeWindow).off("resize", this.resizeFunc);
for (var t in this) {
if (this.hasOwnProperty(t)) {
delete this[t];
}
}
}
// _processTages 移除
// 因为全部都是兼容 IE 用代码。
};
$.modal = $modal;
var lstEvents = ["onaccept", "oncancel", "onclose", "onresize", "onhide"];
var $dialog = function (dialogOpts) {
var that = this;
var cbOnResize = function () {
if (!that.dragged) {
that.element.triggerHandler("onresize");
if (that.sizeTimer)
clearTimeout(that.sizeTimer);
that.sizeTimer = setTimeout(that.setPosition.on(that), 5)
}
};
$dialog.INST.push(this);
this.cfg = $.extend({}, $dialog.setting, dialogOpts);
if (!this.cfg.showTitle)
this.cfg.draggable =  false;
if (null != this.cfg.top || null != this.cfg.left) {
this.cfg.autoCenter = false;
}
var dialogClass = "dialogJ dialogTiebaUi";
if (this.cfg.holderClassName)
dialogClass += " " + this.cfg.holderClassName;
if (this.cfg.fixed)
dialogClass += " dialogJfix";
if (this.cfg.showShadow)
dialogClass += " dialogJshadow";
if (this.cfg.modal) {
var modalArg = {};
if (this.cfg.modalClassName)
modalArg.className = this.cfg.modalClassName;
this.modal = new $.modal(modalArg);
}
this.element =
$('<div class="' + dialogClass + '"></div>')
.hide ()
.css({
zIndex: $.getzIndex()
}).appendTo(document.body);
this.elementWrapper = $('<div>').addClass('uiDialogWrapper').appendTo(this.element);
// 准备对话框标题
this._setupTitleBar();
this.setTitle(this.cfg.title);
this._setupNoTitle();
// 准备对话框内容
this._setupContent();
if ('iframe' === this.cfg.contentType) {
this.cfg.html = $("<iframe>").css({
width: "100%",
height: "100%",
border: "none"
}).attr({
src: this.cfg.html
});
}
this.setContent(this.cfg.html);
// 设定对话框宽、高
// Jixun: 设定默认 400x80 的宽高。
this.width(this.cfg.width);
this.height(this.cfg.height);
this.setPosition(this.cfg.left, this.cfg.top);
if (this.cfg.show)
this.show();
if (this.cfg.autoCenter )
$(unsafeWindow).on("resize", cbOnResize);
// 设定拖动
this._setScroll ();
$.each (lstEvents, function (i, eventName) {
if (that.cfg[eventName]) {
that.on(eventName, that.cfg[eventName]);
}
});
if (this.cfg.escable)
this._setupEscKey();
// 关闭对话框
this.close = function () {
// 如果拒绝关闭则返回
if (that.element.triggerHandler("onclose") ===  false)
return false;
// 取消绑定 resize 事件
$(unsafeWindow).off("resize", cbOnResize);
// 移除 modal
if (that.modal)
that.modal.remove();
that._setScroll(true);
that.element.remove();
for (var t = 0; t < $dialog.INST.length; t++) {
if ($dialog.INST[t] == that) {
$dialog.INST.splice(t, 1);
break;
}
}
return true;
}
};
$.extend($dialog, {
/**
* 启动一个基本对话框
* @param content   对话框内容
* @param opts      其它传参
* @returns {$dialog}
*/
open: function (content, opts) {
return (new $dialog($.extend({}, opts, {html: content})));
},
/**
* 创建一个询问对话框
* @param html          对话框内容
* @param arrAnswers    回答按钮内容
*
* @param callback      两个参数, 原型如下:
*                      callback (i, $dialog)
*                      i 为回答按钮序号, $dialog 为对话框本体
*                      this 绑定为 $(按钮)。
*
* @param opts          创建时传递给 $dialog / $modal 的参数
* @returns {}
*/
ask: function (html, arrAnswers, callback, opts) {
if (!opts) opts = {};
var _$dialog = new $dialog($.extend({modal: true}, opts, {html: html || "", show: true}));
if ($.isArray(arrAnswers) && arrAnswers.length) {
var answerContainer = $('<div>')
.addClass('dialogJanswers')
.appendTo(_$dialog.elementWrapper);
$(arrAnswers).each (function (i, val) {
//answerContainer.append ($('<input>').val(val).addClass('dialogJbtn').attr('type', 'button'))
//	.append (' ');
// 下面这个的按钮有蓝色样式
answerContainer
.append (
$('<a>').addClass('ui_btn ui_btn_m').append($('<span>').append('<em>').text(val))
.click (function () {
if (false !== callback.call(this, i, _$dialog))
_$dialog.close();
})
);
});
_$dialog.buttons = $("input", answerContainer);
}
_$dialog.setPosition();
if (opts.show)
_$dialog.show();
return _$dialog;
},
/**
* 显示一条警告框
* @param message           警告消息
* @param [opts]            $modal / $dialog 参数
* @param opts.acceptValue 「确定」按钮标题
* @returns {$dialog}
*/
alert: function (message, opts) {
var extOpts = $.extend({}, opts || {});
return $dialog.ask(message, [extOpts.acceptValue || "确定"], function (e, t) {
return t.element.triggerHandler(lstEvents[e], this)
}, extOpts)
},
/**
* 显示一个确认框
* @param message           确认的消息
* @param [opts]            $modal / $dialog 参数
* @param opts.acceptValue  「确定」按钮标题
* @returns {$dialog}
*/
confirm: function (message, opts) {
var extOpts = $.extend({}, opts || {});
return $dialog.ask(message, [extOpts.acceptValue || "确定", extOpts.cancelValue || "取消"], function (e, t) {
return t.element.triggerHandler(lstEvents[e], this)
}, extOpts)
},
/**
* 显示一个定时警告框
* @param message               显示的消息
* @param callback              回调, 无参数
* @param [opts]                参数集合
* @param opts.acceptValue      「确定」按钮标题
* @param {Boolean} opts.button 是否显示确定按钮
* @param opts.time             等待时长
* @returns {*}
*/
assert: function (message, callback, opts) {
var extOpts = $.extend({button: true}, opts || {});
if (2 == arguments.length) {
extOpts = callback;
callback = $.noop;
}
var $dialogAsk = $dialog.ask(
message,
extOpts.button ? [extOpts.acceptValue || "确定"] : [],
function (i, $dialog) {
return $dialog.element.triggerHandler(lstEvents[i], this)
},
extOpts
);
setTimeout(function () {
if ($dialogAsk && $dialogAsk.close)
$dialogAsk.close();
if (callback)
callback();
}, parseInt(extOpts.time) || 2000);
return $dialogAsk;
},
/**
* 远端加载一个页面并显示其内容
* @param url           目标地址
* @param opts          选项
* @param opts.filter   页面内容选择器
* @param opts.cache    参见 jQuery.ajax
* @param opts.type     参见 jQuery.ajax
* @returns {$dialog}
*/
load: function (url, opts) {
opts = opts || {};
var _$dialog = new $dialog(opts);
var requestObj = {
url: url,
type: "GET",
dataType: "html",
cache: false,
success: function (html) {
if (opts.filter)
html = $(opts.filter, html);
_$dialog.setContent(html);
}
};
$.each(["type", "cache"], function (i, str) {
if (opts.hasOwnProperty(str)) {
requestObj[str] = opts[str];
delete opts[str];
}
});
$.ajax(requestObj);
return _$dialog;
},
/**
* 关闭所有开启的对话框
*/
close: function () {
for (var i = 0; i < this.INST.length; i++) {
// 如果拒绝关闭, i-- 然后继续枚举关闭过程
if (false !== this.INST[i].close()) {
i--;
}
}
},
setting: {
modal: true,
showShadow: true,
showTitle: true,
noTitle: false,
// 默认 400 x 80
width: 400,
height: 80,
fixed: true,
left: null,
top: null,
show: true,
closeable: true,
hideOnclose: false,
draggable: true,
contentType: null,
resizeable: false,
closeTips: null,
escable: true,
scrollable: true,
modalClassName: null,
autoCenter: true,
html: null,
minWidth: 200,
minHeight: 100,
maxWidth: null,
maxHeight: null
}
});
$dialog.prototype = {
constructor: $dialog,
/**
* 擦除原始标题并设定新标题
* 可以为 jQuery 对象、DOM 对象
* @param newTitle
*/
setTitle: function (newTitle) {
this.element.find(".dialogJtitle>span.dialogJtxt").html(newTitle || "");
},
/**
* 擦除原始内容并设定新内容
* 可以为 jQuery 对象、DOM 对象
* @param newContent
*/
setContent: function (newContent) {
newContent && this.element.find(".dialogJbody").html(newContent);
},
/**
* 设定新宽度
* @param newWidth
* @returns {*}
*/
width: function (newWidth) {
return this.element.css("width", newWidth);
},
/**
* 设定新高度
* @param newHeight
* @returns {*}
*/
height: function (newHeight) {
return $(".dialogJbody", this.element).css("height", newHeight);
},
/**
* 设定对话框位置
* @param [left] 左边, 留空居中
* @param [top]  右边, 留空居中
*/
setPosition: function (left, top) {
if (!$.isNumeric(left) && !$.isNumeric(top)) {
var $doc = $(document),
$win = $(unsafeWindow),
newPosOffset = this.cfg.fixed ? [0, 0] : [$doc.scrollLeft(), $doc.scrollTop()];
left = newPosOffset [0] + ($win.width()  - this.element.outerWidth() ) / 2;
top  = newPosOffset [1] + ($win.height() - this.element.outerHeight()) / 2;
if (top < 0) top = 0;
}
this.element.css({
left: left,
top: top
});
this.triggerHandler("resize");
},
/**
* 获取标题 (HTML)
* @returns {String}
*/
getTitle: function () {
return this.element.find(".dialogJtitle>span").html();
},
/**
* 获取标题文本
* @returns {String}
*/
getTitleText: function () {
return this.element.find(".dialogJtitle").text();
},
/**
* 获取对话框内容 (HTML)
* @returns {String}
*/
getContent: function () {
return $(".dialogJbody", this.element).html()
},
/**
* 获取对话框内容
* @returns {String}
*/
getContentText: function () {
return $(".dialogJbody", this.element).text()
},
/**
* 显示对话框
*/
show: function () {
this.element.show.apply(this.element, arguments);
if (this.modal) {
this.modal.cfg.safety = this.element;
this.modal.show.apply(this.modal, arguments);
}
},
/**
* 隐藏对话框
* @returns {boolean}
*/
hide: function () {
if (this.element.triggerHandler("onhide") === false)
return false;
this.element.hide.apply(this.element, arguments);
if (this.modal)
this.modal.hide.apply(this.modal, arguments);
return true;
},
/**
* 获取对话框 DOM 元素
* @returns {HTMLElement}
*/
getElement: function () {
return this.element[0];
},
/**
* 绑定事件
* @returns {$dialog}
*/
bind: function () {
this.element.on.apply(this.element, arguments);
return this;
},
/**
* 触发事件
*/
triggerHandler: function () {
this.element.triggerHandler.apply(this.element, arguments);
},
/**
* 获取按钮
* @returns {Array|undefined}
*/
getButtons: function () {
return this.buttons;
},
/**
* 内部函数: 设定无标题对话框
* @private
*/
_setupNoTitle: function () {
if (this.cfg.noTitle) {
$(".dialogJtitle").css({
"border-bottom": 0,
"background-color": "#fff"
});
}
},
/**
* 内部函数: 设定对话框标题栏
* @private
*/
_setupTitleBar: function () {
if (this.cfg.showTitle) {
var that = this;
var titleBar = that.titleBar =
$('<div>').append(
$('<span>').addClass('dialogJtxt')
).addClass('dialogJtitle')
.appendTo(this.elementWrapper);
if (this.cfg.closeable) {
$('<a>').addClass('dialogJclose').attr({
title: this.cfg.closeTips || "关闭本窗口",
href:  '#'
}).text(' ').appendTo(titleBar)
.on ('mousedown', function (e) {
e.stopPropagation();
}).click(function () {
if (that.cfg.hideOnclose) {
that.hide()
} else {
that.close();
}
return false;
});
if (this.cfg.draggable) {
titleBar.css ({
cursor: 'move'
});
var _rmDrag = $(that.element).draggable({
handle: titleBar,
start: function () {
that._setupHackDiv(1)
},
stop: function () {
that.dragged = true;
that._setupHackDiv(0);
}
});
$(that.element).on("onclose", _rmDrag);
}
}
}
},
_setupHackDiv: function (bShowHackDiv) {
var _$dialog = this;
if (bShowHackDiv) {
if ($("IFRAME", _$dialog.element).length) {
var $content = $(".dialogJcontent", _$dialog.element);
if (!_$dialog.hack_div) {
_$dialog.hack_div = $("<div>").appendTo($content).css({
position: "absolute",
left: 0,
top: 0,
cursor: "move"
});
}
_$dialog.hack_div.show().css({
width:  _$dialog.element.outerWidth(),
height: _$dialog.element.outerHeight()
})
}
} else {
if (_$dialog.hack_div)
_$dialog.hack_div.hide ();
}
},
_setupEscKey: function () {
var $that = this;
var _escKeyCb = function (n) {
// ESC - 0x1b
if (0x1b == n.which) {
if ($that.showTitle) {
$(".dialogJclose", $that.titleBar).triggerHandler("click")
} else {
$that.close();
}
}
};
$(document).on("keydown", _escKeyCb);
$($that.element).on("onclose", function () {
$(document).off("keydown", _escKeyCb)
});
},
_setupContent: function () {
this.elementWrapper.append(
$('<div>').addClass('dialogJcontent').append(
$('<div>').addClass('dialogJbody')));
},
_setScroll: function (bSetScroll) {
if (this.cfg.modal && !this.cfg.scrollable) {
var htmlRoot = $("html");
if (htmlRoot.length) {
var i = htmlRoot[0].scrollTop;
if (bSetScroll) {
htmlRoot.css({
overflow: this.element.data("htmlOverflow") || "",
paddingRight: 0
});
} else {
if (htmlRoot[0].style.overFlow) {
this.element.data("htmlOverflow", htmlRoot[0].style.overFlow);
}
htmlRoot.css({
overflow: "hidden",
paddingRight: 17
})
}
htmlRoot[0].scrollTop = i
}
}
}
};
$.each(lstEvents, function (e, t) {
$dialog.prototype[t] = function (e) {
this.on(t, e)
}
});
$dialog.INST = [];
$.dialog = $dialog;
})(jQuery);