gnu-social/js/ui/jquery.ui.dialog.js

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2011-03-10 16:18:35 +00:00
/*
* jQuery UI Dialog 1.8.10
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Dialog
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.button.js
* jquery.ui.draggable.js
* jquery.ui.mouse.js
* jquery.ui.position.js
* jquery.ui.resizable.js
*/
(function( $, undefined ) {
var uiDialogClasses =
'ui-dialog ' +
'ui-widget ' +
'ui-widget-content ' +
'ui-corner-all ',
sizeRelatedOptions = {
buttons: true,
height: true,
maxHeight: true,
maxWidth: true,
minHeight: true,
minWidth: true,
width: true
},
resizableRelatedOptions = {
maxHeight: true,
maxWidth: true,
minHeight: true,
minWidth: true
};
$.widget("ui.dialog", {
options: {
autoOpen: true,
buttons: {},
closeOnEscape: true,
closeText: 'close',
dialogClass: '',
draggable: true,
hide: null,
height: 'auto',
maxHeight: false,
maxWidth: false,
minHeight: 150,
minWidth: 150,
modal: false,
position: {
my: 'center',
at: 'center',
collision: 'fit',
// ensure that the titlebar is never outside the document
using: function(pos) {
var topOffset = $(this).css(pos).offset().top;
if (topOffset < 0) {
$(this).css('top', pos.top - topOffset);
}
}
},
resizable: true,
show: null,
stack: true,
title: '',
width: 300,
zIndex: 1000
},
_create: function() {
this.originalTitle = this.element.attr('title');
// #5742 - .attr() might return a DOMElement
if ( typeof this.originalTitle !== "string" ) {
this.originalTitle = "";
}
this.options.title = this.options.title || this.originalTitle;
var self = this,
options = self.options,
title = options.title || '&#160;',
titleId = $.ui.dialog.getTitleId(self.element),
uiDialog = (self.uiDialog = $('<div></div>'))
.appendTo(document.body)
.hide()
.addClass(uiDialogClasses + options.dialogClass)
.css({
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) {
if (options.closeOnEscape && event.keyCode &&
event.keyCode === $.ui.keyCode.ESCAPE) {
self.close(event);
event.preventDefault();
}
})
.attr({
role: 'dialog',
'aria-labelledby': titleId
})
.mousedown(function(event) {
self.moveToTop(false, event);
}),
uiDialogContent = self.element
.show()
.removeAttr('title')
.addClass(
'ui-dialog-content ' +
'ui-widget-content')
.appendTo(uiDialog),
uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
.addClass(
'ui-dialog-titlebar ' +
'ui-widget-header ' +
'ui-corner-all ' +
'ui-helper-clearfix'
)
.prependTo(uiDialog),
uiDialogTitlebarClose = $('<a href="#"></a>')
.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');
})
.click(function(event) {
self.close(event);
return false;
})
.appendTo(uiDialogTitlebar),
uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
.addClass(
'ui-icon ' +
'ui-icon-closethick'
)
.text(options.closeText)
.appendTo(uiDialogTitlebarClose),
uiDialogTitle = $('<span></span>')
.addClass('ui-dialog-title')
.attr('id', titleId)
.html(title)
.prependTo(uiDialogTitlebar);
//handling of deprecated beforeclose (vs beforeClose) option
//Ticket #4669 http://dev.jqueryui.com/ticket/4669
//TODO: remove in 1.9pre
if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
options.beforeClose = options.beforeclose;
}
uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
if (options.draggable && $.fn.draggable) {
self._makeDraggable();
}
if (options.resizable && $.fn.resizable) {
self._makeResizable();
}
self._createButtons(options.buttons);
self._isOpen = false;
if ($.fn.bgiframe) {
uiDialog.bgiframe();
}
},
_init: function() {
if ( this.options.autoOpen ) {
this.open();
}
},
destroy: function() {
var self = this;
if (self.overlay) {
self.overlay.destroy();
}
self.uiDialog.hide();
self.element
.unbind('.dialog')
.removeData('dialog')
.removeClass('ui-dialog-content ui-widget-content')
.hide().appendTo('body');
self.uiDialog.remove();
if (self.originalTitle) {
self.element.attr('title', self.originalTitle);
}
return self;
},
widget: function() {
return this.uiDialog;
},
close: function(event) {
var self = this,
maxZ, thisZ;
if (false === self._trigger('beforeClose', event)) {
return;
}
if (self.overlay) {
self.overlay.destroy();
}
self.uiDialog.unbind('keypress.ui-dialog');
self._isOpen = false;
if (self.options.hide) {
self.uiDialog.hide(self.options.hide, function() {
self._trigger('close', event);
});
} else {
self.uiDialog.hide();
self._trigger('close', event);
}
$.ui.dialog.overlay.resize();
// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
if (self.options.modal) {
maxZ = 0;
$('.ui-dialog').each(function() {
if (this !== self.uiDialog[0]) {
thisZ = $(this).css('z-index');
if(!isNaN(thisZ)) {
maxZ = Math.max(maxZ, thisZ);
}
}
});
$.ui.dialog.maxZ = maxZ;
}
return self;
},
isOpen: function() {
return this._isOpen;
},
// the force parameter allows us to move modal dialogs to their correct
// position on open
moveToTop: function(force, event) {
var self = this,
options = self.options,
saveScroll;
if ((options.modal && !force) ||
(!options.stack && !options.modal)) {
return self._trigger('focus', event);
}
if (options.zIndex > $.ui.dialog.maxZ) {
$.ui.dialog.maxZ = options.zIndex;
}
if (self.overlay) {
$.ui.dialog.maxZ += 1;
self.overlay.$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
saveScroll = { scrollTop: self.element.attr('scrollTop'), scrollLeft: self.element.attr('scrollLeft') };
$.ui.dialog.maxZ += 1;
self.uiDialog.css('z-index', $.ui.dialog.maxZ);
self.element.attr(saveScroll);
self._trigger('focus', event);
return self;
},
open: function() {
if (this._isOpen) { return; }
var self = this,
options = self.options,
uiDialog = self.uiDialog;
self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
self._size();
self._position(options.position);
uiDialog.show(options.show);
self.moveToTop(true);
// prevent tabbing out of modal dialogs
if (options.modal) {
uiDialog.bind('keypress.ui-dialog', function(event) {
if (event.keyCode !== $.ui.keyCode.TAB) {
return;
}
var tabbables = $(':tabbable', this),
first = tabbables.filter(':first'),
last = tabbables.filter(':last');
if (event.target === last[0] && !event.shiftKey) {
first.focus(1);
return false;
} else if (event.target === first[0] && event.shiftKey) {
last.focus(1);
return false;
}
});
}
// 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
$(self.element.find(':tabbable').get().concat(
uiDialog.find('.ui-dialog-buttonpane :tabbable').get().concat(
uiDialog.get()))).eq(0).focus();
self._isOpen = true;
self._trigger('open');
return self;
},
_createButtons: function(buttons) {
var self = this,
hasButtons = false,
uiDialogButtonPane = $('<div></div>')
.addClass(
'ui-dialog-buttonpane ' +
'ui-widget-content ' +
'ui-helper-clearfix'
),
uiButtonSet = $( "<div></div>" )
.addClass( "ui-dialog-buttonset" )
.appendTo( uiDialogButtonPane );
// if we already have a button pane, remove it
self.uiDialog.find('.ui-dialog-buttonpane').remove();
if (typeof buttons === 'object' && buttons !== null) {
$.each(buttons, function() {
return !(hasButtons = true);
});
}
if (hasButtons) {
$.each(buttons, function(name, props) {
props = $.isFunction( props ) ?
{ click: props, text: name } :
props;
var button = $('<button type="button"></button>')
.attr( props, true )
.unbind('click')
.click(function() {
props.click.apply(self.element[0], arguments);
})
.appendTo(uiButtonSet);
if ($.fn.button) {
button.button();
}
});
uiDialogButtonPane.appendTo(self.uiDialog);
}
},
_makeDraggable: function() {
var self = this,
options = self.options,
doc = $(document),
heightBeforeDrag;
function filteredUi(ui) {
return {
position: ui.position,
offset: ui.offset
};
}
self.uiDialog.draggable({
cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
handle: '.ui-dialog-titlebar',
containment: 'document',
start: function(event, ui) {
heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
$(this).height($(this).height()).addClass("ui-dialog-dragging");
self._trigger('dragStart', event, filteredUi(ui));
},
drag: function(event, ui) {
self._trigger('drag', event, filteredUi(ui));
},
stop: function(event, ui) {
options.position = [ui.position.left - doc.scrollLeft(),
ui.position.top - doc.scrollTop()];
$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
self._trigger('dragStop', event, filteredUi(ui));
$.ui.dialog.overlay.resize();
}
});
},
_makeResizable: function(handles) {
handles = (handles === undefined ? this.options.resizable : handles);
var self = this,
options = self.options,
// .ui-resizable has position: relative defined in the stylesheet
// but dialogs have to use absolute or fixed positioning
position = self.uiDialog.css('position'),
resizeHandles = (typeof handles === 'string' ?
handles :
'n,e,s,w,se,sw,ne,nw'
);
function filteredUi(ui) {
return {
originalPosition: ui.originalPosition,
originalSize: ui.originalSize,
position: ui.position,
size: ui.size
};
}
self.uiDialog.resizable({
cancel: '.ui-dialog-content',
containment: 'document',
alsoResize: self.element,
maxWidth: options.maxWidth,
maxHeight: options.maxHeight,
minWidth: options.minWidth,
minHeight: self._minHeight(),
handles: resizeHandles,
start: function(event, ui) {
$(this).addClass("ui-dialog-resizing");
self._trigger('resizeStart', event, filteredUi(ui));
},
resize: function(event, ui) {
self._trigger('resize', event, filteredUi(ui));
},
stop: function(event, ui) {
$(this).removeClass("ui-dialog-resizing");
options.height = $(this).height();
options.width = $(this).width();
self._trigger('resizeStop', event, filteredUi(ui));
$.ui.dialog.overlay.resize();
}
})
.css('position', position)
.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
},
_minHeight: function() {
var options = this.options;
if (options.height === 'auto') {
return options.minHeight;
} else {
return Math.min(options.minHeight, options.height);
}
},
_position: function(position) {
var myAt = [],
offset = [0, 0],
isVisible;
if (position) {
// deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
// if (typeof position == 'string' || $.isArray(position)) {
// myAt = $.isArray(position) ? position : position.split(' ');
if (typeof position === 'string' || (typeof position === 'object' && '0' in position)) {
myAt = position.split ? position.split(' ') : [position[0], position[1]];
if (myAt.length === 1) {
myAt[1] = myAt[0];
}
$.each(['left', 'top'], function(i, offsetPosition) {
if (+myAt[i] === myAt[i]) {
offset[i] = myAt[i];
myAt[i] = offsetPosition;
}
});
position = {
my: myAt.join(" "),
at: myAt.join(" "),
offset: offset.join(" ")
};
}
position = $.extend({}, $.ui.dialog.prototype.options.position, position);
} else {
position = $.ui.dialog.prototype.options.position;
}
// need to show the dialog to get the actual offset in the position plugin
isVisible = this.uiDialog.is(':visible');
if (!isVisible) {
this.uiDialog.show();
}
this.uiDialog
// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
.css({ top: 0, left: 0 })
.position($.extend({ of: window }, position));
if (!isVisible) {
this.uiDialog.hide();
}
},
_setOptions: function( options ) {
var self = this,
resizableOptions = {},
resize = false;
$.each( options, function( key, value ) {
self._setOption( key, value );
if ( key in sizeRelatedOptions ) {
resize = true;
}
if ( key in resizableRelatedOptions ) {
resizableOptions[ key ] = value;
}
});
if ( resize ) {
this._size();
}
if ( this.uiDialog.is( ":data(resizable)" ) ) {
this.uiDialog.resizable( "option", resizableOptions );
}
},
_setOption: function(key, value){
var self = this,
uiDialog = self.uiDialog;
switch (key) {
//handling of deprecated beforeclose (vs beforeClose) option
//Ticket #4669 http://dev.jqueryui.com/ticket/4669
//TODO: remove in 1.9pre
case "beforeclose":
key = "beforeClose";
break;
case "buttons":
self._createButtons(value);
break;
case "closeText":
// ensure that we always pass a string
self.uiDialogTitlebarCloseText.text("" + value);
break;
case "dialogClass":
uiDialog
.removeClass(self.options.dialogClass)
.addClass(uiDialogClasses + value);
break;
case "disabled":
if (value) {
uiDialog.addClass('ui-dialog-disabled');
} else {
uiDialog.removeClass('ui-dialog-disabled');
}
break;
case "draggable":
var isDraggable = uiDialog.is( ":data(draggable)" );
if ( isDraggable && !value ) {
uiDialog.draggable( "destroy" );
}
if ( !isDraggable && value ) {
self._makeDraggable();
}
break;
case "position":
self._position(value);
break;
case "resizable":
// currently resizable, becoming non-resizable
var isResizable = uiDialog.is( ":data(resizable)" );
if (isResizable && !value) {
uiDialog.resizable('destroy');
}
// currently resizable, changing handles
if (isResizable && typeof value === 'string') {
uiDialog.resizable('option', 'handles', value);
}
// currently non-resizable, becoming resizable
if (!isResizable && value !== false) {
self._makeResizable(value);
}
break;
case "title":
// convert whatever was passed in o a string, for html() to not throw up
$(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value || '&#160;'));
break;
}
$.Widget.prototype._setOption.apply(self, 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,
nonContentHeight,
minContentHeight,
isVisible = this.uiDialog.is( ":visible" );
// reset content sizing
this.element.show().css({
width: 'auto',
minHeight: 0,
height: 0
});
if (options.minWidth > options.width) {
options.width = options.minWidth;
}
// reset wrapper sizing
// determine the height of all the non-content elements
nonContentHeight = this.uiDialog.css({
height: 'auto',
width: options.width
})
.height();
minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
if ( options.height === "auto" ) {
// only needed for IE6 support
if ( $.support.minHeight ) {
this.element.css({
minHeight: minContentHeight,
height: "auto"
});
} else {
this.uiDialog.show();
var autoHeight = this.element.css( "height", "auto" ).height();
if ( !isVisible ) {
this.uiDialog.hide();
}
this.element.height( Math.max( autoHeight, minContentHeight ) );
}
} else {
this.element.height( Math.max( options.height - nonContentHeight, 0 ) );
}
if (this.uiDialog.is(':data(resizable)')) {
this.uiDialog.resizable('option', 'minHeight', this._minHeight());
}
}
});
$.extend($.ui.dialog, {
version: "1.8.10",
uuid: 0,
maxZ: 0,
getTitleId: function($el) {
var id = $el.attr('id');
if (!id) {
this.uuid += 1;
id = this.uuid;
}
return 'ui-dialog-title-' + id;
},
overlay: function(dialog) {
this.$el = $.ui.dialog.overlay.create(dialog);
}
});
$.extend($.ui.dialog.overlay, {
instances: [],
// reuse old instances due to IE memory leak with alpha transparency (see #5185)
oldInstances: [],
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() {
// handle $(el).dialog().dialog('close') (see #4065)
if ($.ui.dialog.overlay.instances.length) {
$(document).bind($.ui.dialog.overlay.events, function(event) {
// stop events if the z-index of the target is < the z-index of the overlay
// we cannot return true when we don't want to cancel the event (#3523)
if ($(event.target).zIndex() < $.ui.dialog.overlay.maxZ) {
return false;
}
});
}
}, 1);
// allow closing by pressing the escape key
$(document).bind('keydown.dialog-overlay', function(event) {
if (dialog.options.closeOnEscape && event.keyCode &&
event.keyCode === $.ui.keyCode.ESCAPE) {
dialog.close(event);
event.preventDefault();
}
});
// handle window resize
$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
}
var $el = (this.oldInstances.pop() || $('<div></div>').addClass('ui-widget-overlay'))
.appendTo(document.body)
.css({
width: this.width(),
height: this.height()
});
if ($.fn.bgiframe) {
$el.bgiframe();
}
this.instances.push($el);
return $el;
},
destroy: function($el) {
var indexOf = $.inArray($el, this.instances);
if (indexOf != -1){
this.oldInstances.push(this.instances.splice(indexOf, 1)[0]);
}
if (this.instances.length === 0) {
$([document, window]).unbind('.dialog-overlay');
}
$el.remove();
// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
var maxZ = 0;
$.each(this.instances, function() {
maxZ = Math.max(maxZ, this.css('z-index'));
});
this.maxZ = maxZ;
},
height: function() {
var scrollHeight,
offsetHeight;
// handle IE 6
if ($.browser.msie && $.browser.version < 7) {
scrollHeight = Math.max(
document.documentElement.scrollHeight,
document.body.scrollHeight
);
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 $(document).height() + 'px';
}
},
width: function() {
var scrollWidth,
offsetWidth;
// handle IE 6
if ($.browser.msie && $.browser.version < 7) {
scrollWidth = Math.max(
document.documentElement.scrollWidth,
document.body.scrollWidth
);
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));