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/*!
* artDialog iframeTools
* Date: 2011-11-25 13:54
* http://code.google.com/p/artdialog/
* (c) 2009-2011 TangBin, http://www.planeArt.cn
*
* This is licensed under the GNU LGPL, version 2.1 or later.
* For details, see: http://creativecommons.org/licenses/LGPL/2.1/
*/
;(function ($, window, artDialog, undefined) {
var _topDialog, _proxyDialog, _zIndex,
_data = '@ARTDIALOG.DATA',
_open = '@ARTDIALOG.OPEN',
_opener = '@ARTDIALOG.OPENER',
_winName = window.name = window.name
|| '@ARTDIALOG.WINNAME' + + new Date,
_isIE6 = window.VBArray && !window.XMLHttpRequest;
$(function () {
!window.jQuery && document.compatMode === 'BackCompat'
// 不支持怪异模式请用主流的XHTML1.0或者HTML5的DOCTYPE申明
&& alert('artDialog Error: document.compatMode === "BackCompat"');
});
/** 获取 artDialog 可跨级调用的最高层的 window 对象 */
var _top = artDialog.top = function () {
var top = window,
test = function (name) {
try {
var doc = window[name].document; // 跨域|无权限
doc.getElementsByTagName; // chrome 本地安全限制
} catch (e) {
return false;
};
return window[name].artDialog
// 框架集无法显示第三方元素
&& doc.getElementsByTagName('frameset').length === 0;
};
if (test('top')) {
top = window.top;
} else if (test('parent')) {
top = window.parent;
};
return top;
}();
artDialog.parent = _top; // 兼容v4.1之前版本,未来版本将删除此
_topDialog = _top.artDialog;
// 获取顶层页面对话框叠加值
_zIndex = function () {
return _topDialog.defaults.zIndex;
};
/**
* 跨框架数据共享接口
* @see http://www.planeart.cn/?p=1554
* @param {String} 存储的数据名
* @param {Any} 将要存储的任意数据(无此项则返回被查询的数据)
*/
artDialog.data = function (name, value) {
var top = artDialog.top,
cache = top[_data] || {};
top[_data] = cache;
if (value !== undefined) {
cache[name] = value;
} else {
return cache[name];
};
return cache;
};
/**
* 数据共享删除接口
* @param {String} 删除的数据名
*/
artDialog.removeData = function (name) {
var cache = artDialog.top[_data];
if (cache && cache[name]) delete cache[name];
};
/** 跨框架普通对话框 */
artDialog.through = _proxyDialog = function () {
var api = _topDialog.apply(this, arguments);
// 缓存从当前 window可能为iframe调出所有跨框架对话框
// 以便让当前 window 卸载前去关闭这些对话框。
// 因为iframe注销后也会从内存中删除其创建的对象这样可以防止回调函数报错
if (_top !== window) artDialog.list[api.config.id] = api;
return api;
};
// 框架页面卸载前关闭所有穿越的对话框
_top !== window && $(window).bind('unload', function () {
var list = artDialog.list, config;
for (var i in list) {
if (list[i]) {
config = list[i].config;
if (config) config.duration = 0; // 取消动画
list[i].close();
//delete list[i];
};
};
});
/**
* 弹窗 (iframe)
* @param {String} 地址
* @param {Object} 配置参数. 这里传入的回调函数接收的第1个参数为iframe内部window对象
* @param {Boolean} 是否允许缓存. 默认true
*/
artDialog.open = function (url, options, cache) {
options = options || {};
var api, DOM,
$content, $main, iframe, $iframe, $idoc, iwin, ibody,
top = artDialog.top,
initCss = 'position:absolute;left:-9999em;top:-9999em;border:none 0;background:transparent',
loadCss = 'width:100%;height:100%;border:none 0';
if (cache === false) {
var ts = + new Date,
ret = url.replace(/([?&])_=[^&]*/, "$1_=" + ts );
url = ret + ((ret === url) ? (/\?/.test(url) ? "&" : "?") + "_=" + ts : "");
};
var load = function () {
var iWidth, iHeight,
loading = DOM.content.find('.aui_loading'),
aConfig = api.config;
$content.addClass('aui_state_full');
loading && loading.hide();
try {
iwin = iframe.contentWindow;
$idoc = $(iwin.document);
ibody = iwin.document.body;
} catch (e) {// 跨域
iframe.style.cssText = loadCss;
aConfig.follow
? api.follow(aConfig.follow)
: api.position(aConfig.left, aConfig.top);
options.init && options.init.call(api, iwin, top);
options.init = null;
return;
};
// 获取iframe内部尺寸
iWidth = aConfig.width === 'auto'
? $idoc.width() + (_isIE6 ? 0 : parseInt($(ibody).css('marginLeft')))
: aConfig.width;
iHeight = aConfig.height === 'auto'
? $idoc.height()
: aConfig.height;
// 适应iframe尺寸
setTimeout(function () {
iframe.style.cssText = loadCss;
}, 0);// setTimeout: 防止IE6~7对话框样式渲染异常
api.size(iWidth, iHeight);
// 调整对话框位置
aConfig.follow
? api.follow(aConfig.follow)
: api.position(aConfig.left, aConfig.top);
options.init && options.init.call(api, iwin, top);
options.init = null;
};
var config = {
zIndex: _zIndex(),
init: function () {
api = this;
DOM = api.DOM;
$main = DOM.main;
$content = DOM.content;
iframe = api.iframe = top.document.createElement('iframe');
iframe.src = url;
iframe.name = 'Open' + api.config.id;
iframe.style.cssText = initCss;
iframe.setAttribute('frameborder', 0, 0);
iframe.setAttribute('allowTransparency', true);
$iframe = $(iframe);
api.content().appendChild(iframe);
iwin = iframe.contentWindow;
try {
iwin.name = iframe.name;
artDialog.data(iframe.name + _open, api);
artDialog.data(iframe.name + _opener, window);
} catch (e) {};
$iframe.bind('load', load);
},
close: function () {
$iframe.css('display', 'none').unbind('load', load);
if (options.close && options.close.call(this, iframe.contentWindow, top) === false) {
return false;
};
$content.removeClass('aui_state_full');
// 重要需要重置iframe地址否则下次出现的对话框在IE6、7无法聚焦input
// IE删除iframe后iframe仍然会留在内存中出现上述问题置换src是最容易解决的方法
$iframe[0].src = 'about:blank';
$iframe.remove();
try {
artDialog.removeData(iframe.name + _open);
artDialog.removeData(iframe.name + _opener);
} catch (e) {};
}
};
// 回调函数第一个参数指向iframe内部window对象
if (typeof options.ok === 'function') config.ok = function () {
return options.ok.call(api, iframe.contentWindow, top);
};
if (typeof options.cancel === 'function') config.cancel = function () {
return options.cancel.call(api, iframe.contentWindow, top);
};
delete options.content;
for (var i in options) {
if (config[i] === undefined) config[i] = options[i];
};
return _proxyDialog(config);
};
/** 引用open方法扩展方法(在open打开的iframe内部私有方法) */
artDialog.open.api = artDialog.data(_winName + _open);
/** 引用open方法触发来源页面window(在open打开的iframe内部私有方法) */
artDialog.opener = artDialog.data(_winName + _opener) || window;
artDialog.open.origin = artDialog.opener; // 兼容v4.1之前版本,未来版本将删除此
/** artDialog.open 打开的iframe页面里关闭对话框快捷方法 */
artDialog.close = function () {
var api = artDialog.data(_winName + _open);
api && api.close();
return false;
};
// 点击iframe内容切换叠加高度
_top != window && $(document).bind('mousedown', function () {
var api = artDialog.open.api;
api && api.zIndex();
});
/**
* Ajax填充内容
* @param {String} 地址
* @param {Object} 配置参数
* @param {Boolean} 是否允许缓存. 默认true
*/
artDialog.load = function(url, options, cache){
cache = cache || false;
var opt = options || {};
var config = {
zIndex: _zIndex(),
init: function(here){
var api = this,
aConfig = api.config;
$.ajax({
url: url,
success: function (content) {
api.content(content);
opt.init && opt.init.call(api, here);
},
cache: cache
});
}
};
delete options.content;
for (var i in opt) {
if (config[i] === undefined) config[i] = opt[i];
};
return _proxyDialog(config);
};
/**
* 警告
* @param {String} 消息内容
*/
artDialog.alert = function (content, callback) {
return _proxyDialog({
id: 'Alert',
zIndex: _zIndex(),
icon: 'warning',
fixed: true,
lock: true,
content: content,
ok: true,
close: callback
});
};
/**
* 确认
* @param {String} 消息内容
* @param {Function} 确定按钮回调函数
* @param {Function} 取消按钮回调函数
*/
artDialog.confirm = function (content, yes, no) {
return _proxyDialog({
id: 'Confirm',
zIndex: _zIndex(),
icon: 'question',
fixed: true,
lock: true,
opacity: .1,
content: content,
ok: function (here) {
return yes.call(this, here);
},
cancel: function (here) {
return no && no.call(this, here);
}
});
};
/**
* 提问
* @param {String} 提问内容
* @param {Function} 回调函数. 接收参数:输入值
* @param {String} 默认值
*/
artDialog.prompt = function (content, yes, value) {
value = value || '';
var input;
return _proxyDialog({
id: 'Prompt',
zIndex: _zIndex(),
icon: 'question',
fixed: true,
lock: true,
opacity: .1,
content: [
'<div style="margin-bottom:5px;font-size:12px">',
content,
'</div>',
'<div>',
'<input value="',
value,
'" style="width:18em;padding:6px 4px" />',
'</div>'
].join(''),
init: function () {
input = this.DOM.content.find('input')[0];
input.select();
input.focus();
},
ok: function (here) {
return yes && yes.call(this, input.value, here);
},
cancel: true
});
};
/**
* 短暂提示
* @param {String} 提示内容
* @param {Number} 显示时间 (默认1.5秒)
*/
artDialog.tips = function (content, time) {
return _proxyDialog({
id: 'Tips',
zIndex: _zIndex(),
title: false,
cancel: false,
fixed: true,
lock: false
})
.content('<div style="padding: 0 1em;">' + content + '</div>')
.time(time || 1.5);
};
// 增强artDialog拖拽体验
// - 防止鼠标落入iframe导致不流畅
// - 对超大对话框拖动优化
$(function () {
var event = artDialog.dragEvent;
if (!event) return;
var $window = $(window),
$document = $(document),
positionType = _isIE6 ? 'absolute' : 'fixed',
dragEvent = event.prototype,
mask = document.createElement('div'),
style = mask.style;
style.cssText = 'display:none;position:' + positionType + ';left:0;top:0;width:100%;height:100%;'
+ 'cursor:move;filter:alpha(opacity=0);opacity:0;background:#FFF';
document.body.appendChild(mask);
dragEvent._start = dragEvent.start;
dragEvent._end = dragEvent.end;
dragEvent.start = function () {
var DOM = artDialog.focus.DOM,
main = DOM.main[0],
iframe = DOM.content[0].getElementsByTagName('iframe')[0];
dragEvent._start.apply(this, arguments);
style.display = 'block';
style.zIndex = artDialog.defaults.zIndex + 3;
if (positionType === 'absolute') {
style.width = $window.width() + 'px';
style.height = $window.height() + 'px';
style.left = $document.scrollLeft() + 'px';
style.top = $document.scrollTop() + 'px';
};
if (iframe && main.offsetWidth * main.offsetHeight > 307200) {
main.style.visibility = 'hidden';
};
};
dragEvent.end = function () {
var dialog = artDialog.focus;
dragEvent._end.apply(this, arguments);
style.display = 'none';
if (dialog) dialog.DOM.main[0].style.visibility = 'visible';
};
});
})(this.art || this.jQuery, this, this.artDialog);