基于jquery ui的alert,confirm方案(支持换肤)

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实现功能

1.修改标题样式。把jquery ui的标题样式放上去。支持换肤。

2.修改按钮样式,换成jqueryui的button按钮样式。

3.将模式化窗口的背景换成了jqueryui的模式化背景。

代码

(function($) {

$.alerts = {

// These properties can be read/written by accessing $.alerts.propertyName from your scripts at any time

verticalOffset: -75,// vertical offset of the dialog from center screen,in pixels
horizontalOffset: 0,// horizontal offset of the dialog from center screen,in pixels/
repositionOnResize: true,// re-centers the dialog on window resize
overlayOpacity: .01,// transparency level of overlay
overlayColor: '#FFF',// base color of overlay
draggable: true,// make the dialogs draggable (requires UI Draggables plugin)
okButton: '确认',// text for the OK button
cancelButton: '取消',// text for the Cancel button
dialogClass: null,// if specified,this class will be applied to all dialogs

// Public methods

alert: function(message,title,callback) {
if( title == null ) title = 'Alert';
$.alerts._show(title,message,null,'alert',function(result) {
if( callback ) callback(result);
});
},confirm: function(message,callback) {
if( title == null ) title = 'Confirm';
$.alerts._show(title,'confirm',prompt: function(message,value,callback) {
if( title == null ) title = 'Prompt';
$.alerts._show(title,'prompt',// Private methods

_show: function(title,msg,type,callback) {

$.alerts._hide();
$.alerts._overlay('show');

$("BODY").append(
'<div id="popup_container" style="width:300px;height:150px;">' +
'<h2 id="popup_title" style="margin:0;padding:0;" class="ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix">' +
'<div id="popup_content">' +
'<div id="popup_message">

' +
'
' +
'
');

if( $.alerts.dialogClass ) $("#popup_container").addClass($.alerts.dialogClass);

// IE6 Fix
//var pos = ($.browser.msie && parseInt($.browser.version) <= 6 ) ? 'absolute' : 'fixed';
var pos = ('undefined' == typeof (document.body.style.maxHeight)) ? 'absolute' : 'fixed';

$("#popup_container").css({
position: pos,zIndex: 99999,padding: 0,margin: 0
});

$("#popup_title").text(title);
$("#popup_content").addClass(type);
$("#popup_message").text(msg);
$("#popup_message").html( $("#popup_message").text().replace(/\n/g,'
') );

$("#popup_container").css({
minWidth: $("#popup_container").outerWidth(),maxWidth: $("#popup_container").outerWidth()
});

$.alerts._reposition();
$.alerts._maintainPosition(true);

switch( type ) {
case 'alert':
$("#popup_message").after('<div id="popup_panel">

');
$("#popup_ok").click( function() {
$.alerts._hide();
callback(true);
});
$("#popup_ok").focus().keypress( function(e) {
if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
});
break;
case 'confirm':
$("#popup_message").after('<div id="popup_panel">
');
$("#popup_ok").click( function() {
$.alerts._hide();
if( callback ) callback(true);
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback(false);
});
$("#popup_ok").focus();
$("#popup_ok,#popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
break;
case 'prompt':
$("#popup_message").append('
').after('<div id="popup_panel">
');
$("#popup_prompt").width( $("#popup_message").width() );
$("#popup_ok").click( function() {
var val = $("#popup_prompt").val();
$.alerts._hide();
if( callback ) callback( val );
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback( null );
});
$("#popup_prompt,#popup_ok,#popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
if( value ) $("#popup_prompt").val(value);
$("#popup_prompt").focus().select();
break;
}

// Make draggable
if( $.alerts.draggable ) {
try {
$("#popup_container").draggable({ handle: $("#popup_title") });
$("#popup_title").css({ cursor: 'move' });
} catch(e) { / requires jQuery UI draggables / }
}
},_hide: function() {
$("#popup_container").remove();
$.alerts._overlay('hide');
$.alerts._maintainPosition(false);
},_overlay: function(status) {
switch( status ) {
case 'show':
$.alerts._overlay('hide');
$("BODY").append('<div class="ui-widget-overlay" id="popup_overlay">

');
break;
case 'hide':
$("#popup_overlay").remove();
break;
}
},_reposition: function() {
var top = (($(window).height() / 2) - ($("#popup_container").outerHeight() / 2)) + $.alerts.verticalOffset;
var left = (($(window).width() / 2) - ($("#popup_container").outerWidth() / 2)) + $.alerts.horizontalOffset;
if( top < 0 ) top = 0;
if( left < 0 ) left = 0;

// IE6 fix
if ('undefined' == typeof (document.body.style.maxHeight)) top = top + $(window).scrollTop();

$("#popup_container").css({
top: top + 'px',left: left + 'px'
});
},_maintainPosition: function(status) {
if( $.alerts.repositionOnResize ) {
switch(status) {
case true:
$(window).bind('resize',function() {
$.alerts._reposition();
});
break;
case false:
$(window).unbind('resize');
break;
}
}
}

}

// Shortuct functions
jAlert = function(message,callback) {
$.alerts.alert(message,callback);
}

jConfirm = function(message,callback) {
$.alerts.confirm(message,callback);
};

jPrompt = function(message,callback) {
$.alerts.prompt(message,callback);
};

})(jQuery);

//使用方法

以上所述就是本文的全部内容了,希望大家能够喜欢。

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