jQuery Dialog
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jQuery官网:http://jqueryui.com/demos/dialog/
jQuery Dialog 修改以后的文件: QiaojQuerydialog.js
实现功能，自定义系统的二个消息框alert和confirm,看到这个示例学习也就结束了
/*
* jQuery UI Dialog 1.7.1
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Dialog
*
* Depends:
* ui.core.js
* ui.draggable.js
* ui.resizable.js
*/
(function($) {
var setDataSwitch = {
dragStart: "start.draggable",
drag: "drag.draggable",
dragStop: "stop.draggable",
maxHeight: "maxHeight.resizable",
minHeight: "minHeight.resizable",
maxWidth: "maxWidth.resizable",
minWidth: "minWidth.resizable",
resizeStart: "start.resizable",
resize: "drag.resizable",
resizeStop: "stop.resizable"
},
uiDialogClasses =
'ui-dialog ' +
'ui-widget ' +
'ui-widget-content ' +
'ui-corner-all ';
$.widget("ui.dialog", {
_init: function() {
this.originalTitle = this.element.attr('title');
var self = this,
options = this.options,
title = options.title || this.originalTitle || ' ',
titleId = $.ui.dialog.getTitleId(this.element),
uiDialog = (this.uiDialog = $('<div/>'))
.appendTo(document.body)
.hide()
.addClass(uiDialogClasses + options.dialogClass)
.css({
position: 'absolute',
overflow: 'hidden',
zIndex: options.zIndex
})
// setting tabIndex makes the div focusable
// setting outline to 0 prevents a border on focus in Mozilla
.attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
(options.closeOnEscape && event.keyCode
&& event.keyCode == $.ui.keyCode.ESCAPE && self.close(event));
})
.attr({
role: 'dialog',
'aria-labelledby': titleId
})
.mousedown(function(event) {
self.moveToTop(false, event);
}),
uiDialogContent = this.element
.show()
.removeAttr('title')
.addClass(
'ui-dialog-content ' +
'ui-widget-content')
.appendTo(uiDialog),
uiDialogTitlebar = (this.uiDialogTitlebar = $('<div style="background-image:url(/Files/Image/jQueryDialogInfo.gif); background-repeat:no-repeat; background-color:#FEBF58;padding-left:20px;filter: Alpha(startX=0, startY=100, finishX=0, finishY=0,style=1,opacity=20,finishOpacity=100);"></div>'))
.addClass(
'ui-dialog-titlebar ' +
'ui-widget-header ' +
'ui-corner-all ' +
'ui-helper-clearfix'
)
.prependTo(uiDialog),
uiDialogTitlebarClose = $('<a href="#"/>')
.addClass(
'ui-dialog-titlebar-close ' +
'ui-corner-all'
)
.attr('role', 'button')
.hover(
function() {
uiDialogTitlebarClose.addClass('ui-state-hover');
},
function() {
uiDialogTitlebarClose.removeClass('ui-state-hover');
}
)
.focus(function() {
uiDialogTitlebarClose.addClass('ui-state-focus');
})
.blur(function() {
uiDialogTitlebarClose.removeClass('ui-state-focus');
})
.mousedown(function(ev) {
ev.stopPropagation();
})
.click(function(event) {
self.close(event);
return false;
})
.appendTo(uiDialogTitlebar),
uiDialogTitlebarCloseText = (this.uiDialogTitlebarCloseText = $('<span/>'))
.addClass(
'ui-icon ' +
'ui-icon-closethick'
)
.text(options.closeText)
.appendTo(uiDialogTitlebarClose),
uiDialogTitle = $('<span/>')
.addClass('ui-dialog-title')
.attr('id', titleId)
.html(title)
.prependTo(uiDialogTitlebar);
uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
(options.draggable && $.fn.draggable && this._makeDraggable());
(options.resizable && $.fn.resizable && this._makeResizable());
this._createButtons(options.buttons);
this._isOpen = false;
(options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
(options.autoOpen && this.open());
},
destroy: function() {
(this.overlay && this.overlay.destroy());
this.uiDialog.hide();
this.element
.unbind('.dialog')
.removeData('dialog')
.removeClass('ui-dialog-content ui-widget-content')
.hide().appendTo('body');
this.uiDialog.remove();
(this.originalTitle && this.element.attr('title', this.originalTitle));
},
close: function(event) {
var self = this;
if (false === self._trigger('beforeclose', event)) {
return;
}
(self.overlay && self.overlay.destroy());
self.uiDialog.unbind('keypress.ui-dialog');
(self.options.hide
? self.uiDialog.hide(self.options.hide, function() {
self._trigger('close', event);
})
: self.uiDialog.hide() && self._trigger('close', event));
$.ui.dialog.overlay.resize();
self._isOpen = false;
},
isOpen: function() {
return this._isOpen;
},
// the force parameter allows us to move modal dialogs to their correct
// position on open
moveToTop: function(force, event) {
if ((this.options.modal && !force)
|| (!this.options.stack && !this.options.modal)) {
return this._trigger('focus', event);
}
if (this.options.zIndex > $.ui.dialog.maxZ) {
$.ui.dialog.maxZ = this.options.zIndex;
}
(this.overlay && this.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = ++$.ui.dialog.maxZ));
//Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
// http://ui.jquery.com/bugs/ticket/3193
var saveScroll = { scrollTop: this.element.attr('scrollTop'), scrollLeft: this.element.attr('scrollLeft') };
this.uiDialog.css('z-index', ++$.ui.dialog.maxZ);
this.element.attr(saveScroll);
this._trigger('focus', event);
},
open: function() {
if (this._isOpen) { return; }
var options = this.options,
uiDialog = this.uiDialog;
this.overlay = options.modal ? new $.ui.dialog.overlay(this) : null;
(uiDialog.next().length && uiDialog.appendTo('body'));
this._size();
this._position(options.position);
uiDialog.show(options.show);
this.moveToTop(true);
// prevent tabbing out of modal dialogs
(options.modal && uiDialog.bind('keypress.ui-dialog', function(event) {
if (event.keyCode != $.ui.keyCode.TAB) {
return;
}
var tabbables = $(':tabbable', this),
first = tabbables.filter(':first')[0],
last = tabbables.filter(':last')[0];
if (event.target == last && !event.shiftKey) {
setTimeout(function() {
first.focus();
}, 1);
} else if (event.target == first && event.shiftKey) {
setTimeout(function() {
last.focus();
}, 1);
}
}));
// set focus to the first tabbable element in the content area or the first button
// if there are no tabbable elements, set focus on the dialog itself
$([])
.add(uiDialog.find('.ui-dialog-content :tabbable:first'))
.add(uiDialog.find('.ui-dialog-buttonpane :tabbable:first'))
.add(uiDialog)
.filter(':first')
.focus();
this._trigger('open');
this._isOpen = true;
},
_createButtons: function(buttons) {
var self = this,
hasButtons = false,
uiDialogButtonPane = $('<div style="background-color:#FEE9C7; height:40px;padding:0px;"></div>')
.addClass(
'ui-dialog-buttonpane ' +
'ui-widget-content ' +
'ui-helper-clearfix'
);
// if we already have a button pane, remove it
this.uiDialog.find('.ui-dialog-buttonpane').remove();
(typeof buttons == 'object' && buttons !== null &&
$.each(buttons, function() { return !(hasButtons = true); }));
if (hasButtons) {
$.each(buttons, function(name, fn) {
$('<button type="button" style="background:url(/Files/Image/jQueryDialogButton.gif) no-repeat left top; width:89px; height:30px; padding:0px; border-width:0px; color:#FF641A;"></button>')
.addClass(
'ui-state-default ' +
'ui-corner-all'
)
.text(name)
.click(function() { fn.apply(self.element[0], arguments); })
.hover(
function() {
$(this).addClass('ui-state-hover');
},
function() {
$(this).removeClass('ui-state-hover');
}
)
.focus(function() {
$(this).addClass('ui-state-focus');
})
.blur(function() {
$(this).removeClass('ui-state-focus');
})
.appendTo(uiDialogButtonPane);
});
uiDialogButtonPane.appendTo(this.uiDialog);
}
},
_makeDraggable: function() {
var self = this,
options = this.options,
heightBeforeDrag;
this.uiDialog.draggable({
cancel: '.ui-dialog-content',
handle: '.ui-dialog-titlebar',
containment: 'document',
start: function() {
heightBeforeDrag = options.height;
$(this).height($(this).height()).addClass("ui-dialog-dragging");
(options.dragStart && options.dragStart.apply(self.element[0], arguments));
},
drag: function() {
(options.drag && options.drag.apply(self.element[0], arguments));
},
stop: function() {
$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
(options.dragStop && options.dragStop.apply(self.element[0], arguments));
$.ui.dialog.overlay.resize();
}
});
},
_makeResizable: function(handles) {
handles = (handles === undefined ? this.options.resizable : handles);
var self = this,
options = this.options,
resizeHandles = typeof handles == 'string'
? handles
: 'n,e,s,w,se,sw,ne,nw';
this.uiDialog.resizable({
cancel: '.ui-dialog-content',
alsoResize: this.element,
maxWidth: options.maxWidth,
maxHeight: options.maxHeight,
minWidth: options.minWidth,
minHeight: options.minHeight,
start: function() {
$(this).addClass("ui-dialog-resizing");
(options.resizeStart && options.resizeStart.apply(self.element[0], arguments));
},
resize: function() {
(options.resize && options.resize.apply(self.element[0], arguments));
},
handles: resizeHandles,
stop: function() {
$(this).removeClass("ui-dialog-resizing");
options.height = $(this).height();
options.width = $(this).width();
(options.resizeStop && options.resizeStop.apply(self.element[0], arguments));
$.ui.dialog.overlay.resize();
}
})
.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
},
_position: function(pos) {
var wnd = $(window), doc = $(document),
pTop = doc.scrollTop(), pLeft = doc.scrollLeft(),
minTop = pTop;
if ($.inArray(pos, ['center', 'top', 'right', 'bottom', 'left']) >= 0) {
pos = [
pos == 'right' || pos == 'left' ? pos : 'center',
pos == 'top' || pos == 'bottom' ? pos : 'middle'
];
}
if (pos.constructor != Array) {
pos = ['center', 'middle'];
}
if (pos[0].constructor == Number) {
pLeft += pos[0];
} else {
switch (pos[0]) {
case 'left':
pLeft += 0;
break;
case 'right':
pLeft += wnd.width() - this.uiDialog.outerWidth();
break;
default:
case 'center':
pLeft += (wnd.width() - this.uiDialog.outerWidth()) / 2;
}
}
if (pos[1].constructor == Number) {
pTop += pos[1];
} else {
switch (pos[1]) {
case 'top':
pTop += 0;
break;
case 'bottom':
pTop += wnd.height() - this.uiDialog.outerHeight();
break;
default:
case 'middle':
pTop += (wnd.height() - this.uiDialog.outerHeight()) / 2;
}
}
// prevent the dialog from being too high (make sure the titlebar
// is accessible)
pTop = Math.max(pTop, minTop);
this.uiDialog.css({ top: pTop, left: pLeft });
},
_setData: function(key, value) {
(setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
switch (key) {
case "buttons":
this._createButtons(value);
break;
case "closeText":
this.uiDialogTitlebarCloseText.text(value);
break;
case "dialogClass":
this.uiDialog
.removeClass(this.options.dialogClass)
.addClass(uiDialogClasses + value);
break;
case "draggable":
(value
? this._makeDraggable()
: this.uiDialog.draggable('destroy'));
break;
case "height":
this.uiDialog.height(value);
break;
case "position":
this._position(value);
break;
case "resizable":
var uiDialog = this.uiDialog,
isResizable = this.uiDialog.is(':data(resizable)');
// currently resizable, becoming non-resizable
(isResizable && !value && uiDialog.resizable('destroy'));
// currently resizable, changing handles
(isResizable && typeof value == 'string' &&
uiDialog.resizable('option', 'handles', value));
// currently non-resizable, becoming resizable
(isResizable || this._makeResizable(value));
break;
case "title":
$(".ui-dialog-title", this.uiDialogTitlebar).html(value || ' ');
break;
case "width":
this.uiDialog.width(value);
break;
}
$.widget.prototype._setData.apply(this, arguments);
},
_size: function() {
/* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
* divs will both have width and height set, so we need to reset them
*/
var options = this.options;
// reset content sizing
this.element.css({
height: 0,
minHeight: 0,
width: 'auto'
});
// reset wrapper sizing
// determine the height of all the non-content elements
var nonContentHeight = this.uiDialog.css({
height: 'auto',
width: options.width
})
.height();
this.element
.css({
minHeight: Math.max(options.minHeight - nonContentHeight, 0),
height: options.height == 'auto'
? 'auto'
: Math.max(options.height - nonContentHeight, 0)
});
}
});
$.extend($.ui.dialog, {
version: "1.7.1",
defaults: {
autoOpen: true,
bgiframe: false,
buttons: {},
closeOnEscape: true,
closeText: 'close',
dialogClass: '',
draggable: true,
hide: null,
height: 'auto',
maxHeight: false,
maxWidth: false,
minHeight: 150,
minWidth: 150,
modal: false,
position: 'center',
resizable: true,
show: null,
stack: true,
title: '',
width: 300,
zIndex: 1000
},
getter: 'isOpen',
uuid: 0,
maxZ: 0,
getTitleId: function($el) {
return 'ui-dialog-title-' + ($el.attr('id') || ++this.uuid);
},
overlay: function(dialog) {
this.$el = $.ui.dialog.overlay.create(dialog);
}
});
$.extend($.ui.dialog.overlay, {
instances: [],
maxZ: 0,
events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
function(event) { return event + '.dialog-overlay'; }).join(' '),
create: function(dialog) {
if (this.instances.length === 0) {
// prevent use of anchors and inputs
// we use a setTimeout in case the overlay is created from an
// event that we're going to be cancelling (see #2804)
setTimeout(function() {
$(document).bind($.ui.dialog.overlay.events, function(event) {
var dialogZ = $(event.target).parents('.ui-dialog').css('zIndex') || 0;
return (dialogZ > $.ui.dialog.overlay.maxZ);
});
}, 1);
// allow closing by pressing the escape key
$(document).bind('keydown.dialog-overlay', function(event) {
(dialog.options.closeOnEscape && event.keyCode
&& event.keyCode == $.ui.keyCode.ESCAPE && dialog.close(event));
});
// handle window resize
$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
}
var $el = $('<div></div>').appendTo(document.body)
.addClass('ui-widget-overlay').css({
width: this.width(),
height: this.height()
});
(dialog.options.bgiframe && $.fn.bgiframe && $el.bgiframe());
this.instances.push($el);
return $el;
},
destroy: function($el) {
this.instances.splice($.inArray(this.instances, $el), 1);
if (this.instances.length === 0) {
$([document, window]).unbind('.dialog-overlay');
}
$el.remove();
},
height: function() {
// handle IE 6
if ($.browser.msie && $.browser.version < 7) {
var scrollHeight = Math.max(
document.documentElement.scrollHeight,
document.body.scrollHeight
);
var offsetHeight = Math.max(
document.documentElement.offsetHeight,
document.body.offsetHeight
);
if (scrollHeight < offsetHeight) {
return $(window).height() + 'px';
} else {
return scrollHeight + 'px';
}
// handle "good" browsers
} else {
return $(document).height() + 'px';
}
},
width: function() {
// handle IE 6
if ($.browser.msie && $.browser.version < 7) {
var scrollWidth = Math.max(
document.documentElement.scrollWidth,
document.body.scrollWidth
);
var offsetWidth = Math.max(
document.documentElement.offsetWidth,
document.body.offsetWidth
);
if (scrollWidth < offsetWidth) {
return $(window).width() + 'px';
} else {
return scrollWidth + 'px';
}
// handle "good" browsers
} else {
return $(document).width() + 'px';
}
},
resize: function() {
/* If the dialog is draggable and the user drags it past the
* right edge of the window, the document becomes wider so we
* need to stretch the overlay. If the user then drags the
* dialog back to the left, the document will become narrower,
* so we need to shrink the overlay to the appropriate size.
* This is handled by shrinking the overlay before setting it
* to the full document size.
*/
var $overlays = $([]);
$.each($.ui.dialog.overlay.instances, function() {
$overlays = $overlays.add(this);
});
$overlays.css({
width: 0,
height: 0
}).css({
width: $.ui.dialog.overlay.width(),
height: $.ui.dialog.overlay.height()
});
}
});
$.extend($.ui.dialog.overlay.prototype, {
destroy: function() {
$.ui.dialog.overlay.destroy(this.$el);
}
});
})(jQuery);
function alert(message) {
if ($("#dialogalert").length == 0) {
$("body").append(' <div id="dialogalert" style="background-color:White; background-image:url(\'/Files/Image/jQueryDialogIco.gif\'); padding: 30px 10px 10px 70px; background-position:center left; background-repeat:no-repeat; height: 100px;width: 100px; border: solid 1px #FF8725;"> </div>');
$("#dialogalert").dialog({
autoOpen: false,
title: '消息框',
modal: true,
resizable: false,
overlay: {
opacity: 0.5,
background: "black"
},
buttons: {
"确 定": function() {
$(this).dialog("close");
}
}
});
}
$("#dialogalert").html(message);
$("#dialogalert").dialog("open");
}
function confirm(message, callback) {
if ($("#dialogconfirm").length == 0) {
$("body").append(' <div id="dialogconfirm" style="background-color:White; background-image:url(\'/Files/Image/jQueryDialogIco.gif\'); padding: 30px 10px 10px 70px; background-position:center left; background-repeat:no-repeat; height: 100px;width: 100px; border: solid 1px #FF8725;"> </div>');
$("#dialogconfirm").dialog({
autoOpen: false,
title: '消息框',
modal: true,
resizable: false,
overlay: {
opacity: 0.5,
background: "black"
},
buttons: {
"取 消": function() {
$(this).dialog("close");
},
"确 定": function() {
callback();
$(this).dialog("close");
}
}
});
}
$("#dialogconfirm").html(message);
$("#dialogconfirm").dialog("open");
}
HTML代码:
<link type="text/css" href="http://jqueryui.com/latest/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="/Scripts/jquery-1.3.2.js"></script>
<script type="text/javascript" src="/Scripts/ui.core.js"></script>
<script type="text/javascript" src="/Scripts/ui.draggable.js"></script>
<script type="text/javascript" src="/Scripts/ui.resizable.js"></script>
<script type="text/javascript" src="/Scripts/QiaojQuerydialog.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alert('中华人民共和国');
});
</script>
<body style="font-size: 62.5%;"></body>
用到的几张图片: https://files.cnblogs.com/qiaojun/jQueryDialogImage.rar
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