assets/javascripts/ui/ui.dialog.js
/*
* jQuery UI Dialog @VERSION
*
* Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.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"
};
$.widget("ui.dialog", {
_init: function() {
this.originalTitle = this.element.attr('title');
this.options.title = this.options.title || this.originalTitle;
var self = this,
options = this.options,
uiDialogContent = this.element
.appendTo(document.body)
.removeAttr('title')
.addClass(
'ui-dialog-content ' +
'ui-widget-content')
.wrap('<div></div>')
.wrap('<div></div>'),
uiDialogContainer = (this.uiDialogContainer = uiDialogContent.parent())
.addClass('ui-dialog-container')
.css({
position: 'relative',
width: '100%',
height: '100%'
}),
uiDialogTitlebar = (this.uiDialogTitlebar = $('<div></div>'))
.addClass(
'ui-dialog-titlebar ' +
'ui-widget-header ' +
'ui-corner-all ' +
'ui-helper-clearfix'
)
.mousedown(function() {
self.moveToTop();
})
.prependTo(uiDialogContainer),
uiDialogTitlebarClose = $('<a href="#"/>')
.addClass(
'ui-dialog-titlebar-close ' +
'ui-corner-all'
)
.attr('role', 'button')
.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;
})
.appendTo(uiDialogTitlebar),
uiDialogTitlebarCloseText = (this.uiDialogTitlebarCloseText = $('<span/>'))
.addClass(
'ui-icon ' +
'ui-icon-closethick'
)
.text(options.closeText)
.appendTo(uiDialogTitlebarClose),
title = options.title || ' ',
titleId = $.ui.dialog.getTitleId(this.element),
uiDialogTitle = $('<span/>')
.addClass('ui-dialog-title')
.attr('id', titleId)
.html(title)
.prependTo(uiDialogTitlebar),
uiDialog = (this.uiDialog = uiDialogContainer.parent())
.hide()
.addClass(
'ui-dialog ' +
'ui-widget ' +
'ui-widget-content ' +
'ui-corner-all'
)
.addClass(options.dialogClass)
.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) {
(options.closeOnEscape && ev.keyCode
&& ev.keyCode == $.ui.keyCode.ESCAPE && self.close());
})
.attr({
role: 'dialog',
'aria-labelledby': titleId
})
.mouseup(function() {
self.moveToTop();
}),
uiDialogButtonPane = (this.uiDialogButtonPane = $('<div></div>'))
.addClass(
'ui-dialog-buttonpane ' +
'ui-widget-content ' +
'ui-helper-clearfix'
)
.css({
position: 'absolute',
bottom: 0
})
.appendTo(uiDialog);
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() {
if (false === this._trigger('beforeclose', null, { options: this.options })) {
return;
}
(this.overlay && this.overlay.destroy());
this.uiDialog
.hide(this.options.hide)
.unbind('keypress.ui-dialog');
this._trigger('close', null, { options: this.options });
$.ui.dialog.overlay.resize();
this._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) {
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));
//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', ++maxZ);
this.element.attr(saveScroll);
this._trigger('focus', null, { options: this.options });
},
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);
// prevent tabbing out of modal dialogs
(this.options.modal && this.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);
}
}));
this.uiDialog.find(':tabbable:first').focus();
this._trigger('open', null, { options: this.options });
this._isOpen = true;
},
_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 type="button"></button>')
.addClass(
'ui-state-default ' +
'ui-corner-all'
)
.text(name)
.click(function() { fn.apply(self.element[0], arguments); })
.appendTo(uiDialogButtonPane);
});
}
},
_makeDraggable: function() {
var self = this,
options = this.options;
this.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();
}
});
},
_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',
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();
}
});
},
_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});
},
_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 "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() {
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);
}
});
$.extend($.ui.dialog, {
version: "@VERSION",
defaults: {
autoOpen: true,
autoResize: true,
bgiframe: false,
buttons: {},
closeOnEscape: true,
closeText: 'close',
draggable: true,
height: 200,
minHeight: 100,
minWidth: 150,
modal: false,
overlay: {},
position: 'center',
resizable: true,
stack: true,
width: 300,
zIndex: 1000
},
getter: 'isOpen',
uuid: 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: [],
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() {
$('a, :input').bind($.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(event) {
(dialog.options.closeOnEscape && event.keyCode
&& event.keyCode == $.ui.keyCode.ESCAPE && dialog.close());
});
// handle window resize
$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
}
var $el = $('<div></div>').appendTo(document.body)
.addClass('ui-dialog-overlay').css($.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);