/*
 * jQuery UI Dialog
 *
 * Copyright (c) 2008 Richard D. Worth (rdworth.org)
 * 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"
};
$.widget("ui.dialog", {
init: function() {
this.options.title = this.options.title || this.element.attr('title');
var self = this,
options = this.options,
resizeHandles = typeof options.resizable == 'string'
? options.resizable
: 'n,e,s,w,se,sw,ne,nw',
uiDialogContent = this.element
.addClass('ui-dialog-content')
.wrap('<div/>')
.wrap('<div/>'),
uiDialogContainer = (this.uiDialogContainer = uiDialogContent.parent())
.addClass('ui-dialog-container')
.css({
position: 'relative',
width: '100%',
height: '100%'
}),
title = options.title || '&nbsp;',
uiDialogTitlebar = (this.uiDialogTitlebar =
$('<div class="ui-dialog-titlebar"/>'))
.append('<span class="ui-dialog-title">' + title + '</span>')
.append('<a href="#" class="ui-dialog-titlebar-close"><span>X</span></a>')
.prependTo(uiDialogContainer),
uiDialog = (this.uiDialog = uiDialogContainer.parent())
.appendTo(document.body)
.hide()
.addClass('ui-dialog')
.addClass(options.dialogClass)
// add content classes to dialog
// to inherit theme at top level of element
.addClass(uiDialogContent.attr('className'))
.removeClass('ui-dialog-content')
.css({
position: 'absolute',
width: options.width,
height: options.height,
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(ev) {
if (options.closeOnEscape) {
var ESC = 27;
(ev.keyCode && ev.keyCode == ESC && self.close());
}
})
.mousedown(function() {
self.moveToTop();
}),
uiDialogButtonPane = (this.uiDialogButtonPane = $('<div/>'))
.addClass('ui-dialog-buttonpane')
.css({
position: 'absolute',
bottom: 0
})
.appendTo(uiDialog);
this.uiDialogTitlebarClose = $('.ui-dialog-titlebar-close', uiDialogTitlebar)
.hover(
function() {
$(this).addClass('ui-dialog-titlebar-close-hover');
},
function() {
$(this).removeClass('ui-dialog-titlebar-close-hover');
}
)
.mousedown(function(ev) {
ev.stopPropagation();
})
.click(function() {
self.close();
return false;
});
uiDialogTitlebar.find("*").add(uiDialogTitlebar).each(function() {
$.ui.disableSelection(this);
});
if ($.fn.draggable) {
uiDialog.draggable({
cancel: '.ui-dialog-content',
helper: options.dragHelper,
handle: '.ui-dialog-titlebar',
start: function() {
self.moveToTop();
(options.dragStart && options.dragStart.apply(self.element[0], arguments));
},
drag: function() {
(options.drag && options.drag.apply(self.element[0], arguments));
},
stop: function() {
(options.dragStop && options.dragStop.apply(self.element[0], arguments));
$.ui.dialog.overlay.resize();
}
});
(options.draggable || uiDialog.draggable('disable'));
}
if ($.fn.resizable) {
uiDialog.resizable({
cancel: '.ui-dialog-content',
helper: options.resizeHelper,
maxWidth: options.maxWidth,
maxHeight: options.maxHeight,
minWidth: options.minWidth,
minHeight: options.minHeight,
start: function() {
(options.resizeStart && options.resizeStart.apply(self.element[0], arguments));
},
resize: function() {
(options.autoResize && self.size.apply(self));
(options.resize && options.resize.apply(self.element[0], arguments));
},
handles: resizeHandles,
stop: function() {
(options.autoResize && self.size.apply(self));
(options.resizeStop && options.resizeStop.apply(self.element[0], arguments));
$.ui.dialog.overlay.resize();
}
});
(options.resizable || uiDialog.resizable('disable'));
}
this.createButtons(options.buttons);
this.isOpen = false;
(options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
(options.autoOpen && this.open());
},
setData: function(key, value){
(setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
switch (key) {
case "buttons":
this.createButtons(value);
break;
case "draggable":
this.uiDialog.draggable(value ? 'enable' : 'disable');
break;
case "height":
this.uiDialog.height(value);
break;
case "position":
this.position(value);
break;
case "resizable":
(typeof value == 'string' && this.uiDialog.data('handles.resizable', value));
this.uiDialog.resizable(value ? 'enable' : 'disable');
break;
case "title":
$(".ui-dialog-title", this.uiDialogTitlebar).html(value || '&nbsp;');
break;
case "width":
this.uiDialog.width(value);
break;
}
$.widget.prototype.setData.apply(this, arguments);
},
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.width();
break;
default:
case 'center':
pLeft += (wnd.width() - this.uiDialog.width()) / 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.height();
break;
default:
case 'middle':
pTop += (wnd.height() - this.uiDialog.height()) / 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});
},
size: function() {
var container = this.uiDialogContainer,
titlebar = this.uiDialogTitlebar,
content = this.element,
tbMargin = (parseInt(content.css('margin-top'), 10) || 0)
+ (parseInt(content.css('margin-bottom'), 10) || 0),
lrMargin = (parseInt(content.css('margin-left'), 10) || 0)
+ (parseInt(content.css('margin-right'), 10) || 0);
content.height(container.height() - titlebar.outerHeight() - tbMargin);
content.width(container.width() - lrMargin);
},
open: function() {
if (this.isOpen) { return; }
this.overlay = this.options.modal ? new $.ui.dialog.overlay(this) : null;
(this.uiDialog.next().length && this.uiDialog.appendTo('body'));
this.position(this.options.position);
this.uiDialog.show(this.options.show);
(this.options.autoResize && this.size());
this.moveToTop(true);
this.trigger('open', null, { options: this.options });
this.isOpen = true;
},
// the force parameter allows us to move modal dialogs to their correct
// position on open
moveToTop: function(force) {
if ((this.options.modal && !force)
|| (!this.options.stack && !this.options.modal)) {
return this.trigger('focus', null, { options: this.options });
}
var maxZ = this.options.zIndex, options = this.options;
$('.ui-dialog:visible').each(function() {
maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10) || options.zIndex);
});
(this.overlay && this.overlay.$el.css('z-index', ++maxZ));
this.uiDialog.css('z-index', ++maxZ);
this.trigger('focus', null, { options: this.options });
},
close: function() {
(this.overlay && this.overlay.destroy());
this.uiDialog.hide(this.options.hide);
this.trigger('close', null, { options: this.options });
$.ui.dialog.overlay.resize();
this.isOpen = false;
},
destroy: function() {
(this.overlay && this.overlay.destroy());
this.uiDialog.hide();
this.element
.unbind('.dialog')
.removeData('dialog')
.removeClass('ui-dialog-content')
.hide().appendTo('body');
this.uiDialog.remove();
},
createButtons: function(buttons) {
var self = this,
hasButtons = false,
uiDialogButtonPane = this.uiDialogButtonPane;
// remove any existing buttons
uiDialogButtonPane.empty().hide();
$.each(buttons, function() { return !(hasButtons = true); });
if (hasButtons) {
uiDialogButtonPane.show();
$.each(buttons, function(name, fn) {
$('<button/>')
.text(name)
.click(function() { fn.apply(self.element[0], arguments); })
.appendTo(uiDialogButtonPane);
});
}
},
fakeEvent: function(type) {
return $.event.fix({
type: type,
target: this.element[0]
});
}
});
$.extend($.ui.dialog, {
defaults: {
autoOpen: true,
autoResize: true,
bgiframe: false,
buttons: {},
closeOnEscape: true,
draggable: true,
height: 200,
minHeight: 100,
minWidth: 150,
modal: false,
overlay: {},
position: 'center',
resizable: true,
stack: true,
width: 300,
zIndex: 1000
},
overlay: function(dialog) {
this.$el = $.ui.dialog.overlay.create(dialog);
}
});
$.extend($.ui.dialog.overlay, {
instances: [],
events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
function(e) { return e + '.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() {
$('a, :input').bind($.ui.dialog.overlay.events, function() {
// allow use of the element if inside a dialog and
// - there are no modal dialogs
// - there are modal dialogs, but we are in front of the topmost modal
var allow = false;
var $dialog = $(this).parents('.ui-dialog');
if ($dialog.length) {
var $overlays = $('.ui-dialog-overlay');
if ($overlays.length) {
var maxZ = parseInt($overlays.css('z-index'), 10);
$overlays.each(function() {
maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10));
});
allow = parseInt($dialog.css('z-index'), 10) > maxZ;
} else {
allow = true;
}
}
return allow;
});
}, 1);
// allow closing by pressing the escape key
$(document).bind('keydown.dialog-overlay', function(e) {
var ESC = 27;
(e.keyCode && e.keyCode == ESC && dialog.close()); 
});
// handle window resize
$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
}
var $el = $('<div/>').appendTo(document.body)
.addClass('ui-dialog-overlay').css($.extend({
borderWidth: 0, margin: 0, padding: 0,
position: 'absolute', top: 0, left: 0,
width: this.width(),
height: this.height()
}, dialog.options.overlay));
(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) {
$('a, :input').add([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 $(window).height() + 'px';
} else {
return scrollHeight + 'px';
}
// handle Opera
} else if ($.browser.opera) {
return Math.max(
window.innerHeight,
$(document).height()
) + '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 $(window).width() + 'px';
} else {
return scrollWidth + 'px';
}
// handle Opera
} else if ($.browser.opera) {
return Math.max(
window.innerWidth,
$(document).width()
) + '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);