jquery-ui/ui/jquery.ui.dialog.js

687 lines
17 KiB
JavaScript

/*!
* jQuery UI Dialog @VERSION
* http://jqueryui.com
*
* Copyright 2012 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/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 ui-front ",
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", {
version: "@VERSION",
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",
of: window,
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,
title: "",
width: 300
},
_create: function() {
this.originalTitle = this.element.attr( "title" );
// #5742 - .attr() might return a DOMElement
if ( typeof this.originalTitle !== "string" ) {
this.originalTitle = "";
}
this.oldPosition = {
parent: this.element.parent(),
index: this.element.parent().children().index( this.element )
};
this.options.title = this.options.title || this.originalTitle;
var that = this,
options = this.options,
title = options.title || "&#160;",
uiDialog,
uiDialogTitlebar,
uiDialogTitlebarClose,
uiDialogTitle,
uiDialogButtonPane;
uiDialog = ( this.uiDialog = $( "<div>" ) )
.addClass( uiDialogClasses + options.dialogClass )
.hide()
// setting tabIndex makes the div focusable
.attr( "tabIndex", -1)
.keydown(function( event ) {
if ( options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
event.keyCode === $.ui.keyCode.ESCAPE ) {
that.close( event );
event.preventDefault();
}
})
.mousedown(function( event ) {
that.moveToTop( event );
})
.appendTo( this.document[ 0 ].body );
this.element
.show()
.removeAttr( "title" )
.addClass( "ui-dialog-content ui-widget-content" )
.appendTo( uiDialog );
uiDialogTitlebar = ( this.uiDialogTitlebar = $( "<div>" ) )
.addClass( "ui-dialog-titlebar ui-widget-header " +
"ui-corner-all ui-helper-clearfix" )
.bind( "mousedown", function() {
// Dialog isn't getting focus when dragging (#8063)
uiDialog.focus();
})
.prependTo( uiDialog );
uiDialogTitlebarClose = $( "<a href='#'></a>" )
.addClass( "ui-dialog-titlebar-close ui-corner-all" )
.attr( "role", "button" )
.click(function( event ) {
event.preventDefault();
that.close( event );
})
.appendTo( uiDialogTitlebar );
( this.uiDialogTitlebarCloseText = $( "<span>" ) )
.addClass( "ui-icon ui-icon-closethick" )
.text( options.closeText )
.appendTo( uiDialogTitlebarClose );
uiDialogTitle = $( "<span>" )
.uniqueId()
.addClass( "ui-dialog-title" )
.html( title )
.prependTo( uiDialogTitlebar );
uiDialogButtonPane = ( this.uiDialogButtonPane = $( "<div>" ) )
.addClass( "ui-dialog-buttonpane ui-widget-content ui-helper-clearfix" );
( this.uiButtonSet = $( "<div>" ) )
.addClass( "ui-dialog-buttonset" )
.appendTo( uiDialogButtonPane );
uiDialog.attr({
role: "dialog",
"aria-labelledby": uiDialogTitle.attr( "id" )
});
uiDialogTitlebar.find( "*" ).add( uiDialogTitlebar ).disableSelection();
this._hoverable( uiDialogTitlebarClose );
this._focusable( uiDialogTitlebarClose );
if ( options.draggable && $.fn.draggable ) {
this._makeDraggable();
}
if ( options.resizable && $.fn.resizable ) {
this._makeResizable();
}
this._createButtons( options.buttons );
this._isOpen = false;
// prevent tabbing out of dialogs
this._on( uiDialog, { keydown: function( event ) {
if ( event.keyCode !== $.ui.keyCode.TAB ) {
return;
}
var tabbables = $( ":tabbable", uiDialog ),
first = tabbables.filter( ":first" ),
last = tabbables.filter( ":last" );
if ( ( event.target === last[ 0 ] || event.target === uiDialog[ 0 ] ) && !event.shiftKey ) {
first.focus( 1 );
return false;
} else if ( ( event.target === first[ 0 ] || event.target === uiDialog[ 0 ] ) && event.shiftKey ) {
last.focus( 1 );
return false;
}
}});
},
_init: function() {
if ( this.options.autoOpen ) {
this.open();
}
},
_destroy: function() {
var next,
oldPosition = this.oldPosition;
if ( this.overlay ) {
this.overlay.destroy();
}
this.uiDialog.hide();
this.element
.removeClass( "ui-dialog-content ui-widget-content" )
.hide()
.appendTo( "body" );
this.uiDialog.remove();
if ( this.originalTitle ) {
this.element.attr( "title", this.originalTitle );
}
next = oldPosition.parent.children().eq( oldPosition.index );
// Don't try to place the dialog next to itself (#8613)
if ( next.length && next[ 0 ] !== this.element[ 0 ] ) {
next.before( this.element );
} else {
oldPosition.parent.append( this.element );
}
},
widget: function() {
return this.uiDialog;
},
close: function( event ) {
var that = this;
if ( !this._isOpen ) {
return;
}
if ( false === this._trigger( "beforeClose", event ) ) {
return;
}
this._isOpen = false;
if ( this.overlay ) {
this.overlay.destroy();
}
if ( !this.opener.filter( ":focusable" ).focus().length ) {
// Hiding a focused element doesn't trigger blur in WebKit
// so in case we have nothing to focus on, explicitly blur the active element
// https://bugs.webkit.org/show_bug.cgi?id=47182
$( this.document[ 0 ].activeElement ).blur();
}
this._hide( this.uiDialog, this.options.hide, function() {
that._trigger( "close", event );
});
},
isOpen: function() {
return this._isOpen;
},
moveToTop: function( event, silent ) {
var moved = this.uiDialog.nextAll( ":visible" ).insertBefore( this.uiDialog );
if ( !silent && moved.length ) {
this._trigger( "focus", event );
}
},
open: function() {
if ( this._isOpen ) {
return;
}
var hasFocus,
options = this.options,
uiDialog = this.uiDialog;
this.opener = $( this.document[ 0 ].activeElement );
this._size();
this._position( options.position );
this.overlay = options.modal ? new $.ui.dialog.overlay( this ) : null;
this.moveToTop( null, true );
this._show( uiDialog, options.show );
// 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
hasFocus = this.element.find( ":tabbable" );
if ( !hasFocus.length ) {
hasFocus = this.uiDialogButtonPane.find( ":tabbable" );
if ( !hasFocus.length ) {
hasFocus = uiDialog;
}
}
hasFocus.eq( 0 ).focus();
this._isOpen = true;
this._trigger( "open" );
this._trigger( "focus" );
return this;
},
_keepFocus: function( event ) {
function checkFocus() {
var activeElement = this.document[ 0 ].activeElement,
isActive = this.uiDialog[ 0 ] === activeElement ||
$.contains( this.uiDialog[ 0 ], activeElement );
if ( !isActive ) {
this.uiDialog.focus();
}
}
event.preventDefault();
checkFocus.call( this );
// support: IE
// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
// so we check again later
this._delay( checkFocus );
},
_createButtons: function( buttons ) {
var that = this,
hasButtons = false;
// if we already have a button pane, remove it
this.uiDialogButtonPane.remove();
this.uiButtonSet.empty();
if ( typeof buttons === "object" && buttons !== null ) {
$.each( buttons, function() {
return !(hasButtons = true);
});
}
if ( hasButtons ) {
$.each( buttons, function( name, props ) {
var button, click;
props = $.isFunction( props ) ?
{ click: props, text: name } :
props;
// Default to a non-submitting button
props = $.extend( { type: "button" }, props );
// Change the context for the click callback to be the main element
click = props.click;
props.click = function() {
click.apply( that.element[0], arguments );
};
button = $( "<button></button>", props )
.appendTo( that.uiButtonSet );
if ( $.fn.button ) {
button.button();
}
});
this.uiDialog.addClass( "ui-dialog-buttons" );
this.uiDialogButtonPane.appendTo( this.uiDialog );
} else {
this.uiDialog.removeClass( "ui-dialog-buttons" );
}
},
_makeDraggable: function() {
var that = this,
options = this.options;
function filteredUi( ui ) {
return {
position: ui.position,
offset: ui.offset
};
}
this.uiDialog.draggable({
cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
handle: ".ui-dialog-titlebar",
containment: "document",
start: function( event, ui ) {
$( this )
.addClass( "ui-dialog-dragging" );
that._trigger( "dragStart", event, filteredUi( ui ) );
},
drag: function( event, ui ) {
that._trigger( "drag", event, filteredUi( ui ) );
},
stop: function( event, ui ) {
options.position = [
ui.position.left - that.document.scrollLeft(),
ui.position.top - that.document.scrollTop()
];
$( this )
.removeClass( "ui-dialog-dragging" );
that._trigger( "dragStop", event, filteredUi( ui ) );
}
});
},
_makeResizable: function( handles ) {
handles = (handles === undefined ? this.options.resizable : handles);
var that = this,
options = this.options,
// .ui-resizable has position: relative defined in the stylesheet
// but dialogs have to use absolute or fixed positioning
position = this.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
};
}
this.uiDialog.resizable({
cancel: ".ui-dialog-content",
containment: "document",
alsoResize: this.element,
maxWidth: options.maxWidth,
maxHeight: options.maxHeight,
minWidth: options.minWidth,
minHeight: this._minHeight(),
handles: resizeHandles,
start: function( event, ui ) {
$( this ).addClass( "ui-dialog-resizing" );
that._trigger( "resizeStart", event, filteredUi( ui ) );
},
resize: function( event, ui ) {
that._trigger( "resize", event, filteredUi( ui ) );
},
stop: function( event, ui ) {
$( this ).removeClass( "ui-dialog-resizing" );
options.height = $( this ).height();
options.width = $( this ).width();
that._trigger( "resizeStop", event, filteredUi( ui ) );
}
})
.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[0] + (offset[0] < 0 ? offset[0] : "+" + offset[0]) + " " +
myAt[1] + (offset[1] < 0 ? offset[1] : "+" + offset[1]),
at: myAt.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.position( position );
if ( !isVisible ) {
this.uiDialog.hide();
}
},
_setOptions: function( options ) {
var that = this,
resizableOptions = {},
resize = false;
$.each( options, function( key, value ) {
that._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(ui-resizable)" ) ) {
this.uiDialog.resizable( "option", resizableOptions );
}
},
_setOption: function( key, value ) {
var isDraggable, isResizable,
uiDialog = this.uiDialog;
switch ( key ) {
case "buttons":
this._createButtons( value );
break;
case "closeText":
// ensure that we always pass a string
this.uiDialogTitlebarCloseText.text( "" + value );
break;
case "dialogClass":
uiDialog
.removeClass( this.options.dialogClass )
.addClass( uiDialogClasses + value );
break;
case "disabled":
if ( value ) {
uiDialog.addClass( "ui-dialog-disabled" );
} else {
uiDialog.removeClass( "ui-dialog-disabled" );
}
break;
case "draggable":
isDraggable = uiDialog.is( ":data(ui-draggable)" );
if ( isDraggable && !value ) {
uiDialog.draggable( "destroy" );
}
if ( !isDraggable && value ) {
this._makeDraggable();
}
break;
case "position":
this._position( value );
break;
case "resizable":
// currently resizable, becoming non-resizable
isResizable = uiDialog.is( ":data(ui-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 ) {
this._makeResizable( value );
}
break;
case "title":
// convert whatever was passed in o a string, for html() to not throw up
$( ".ui-dialog-title", this.uiDialogTitlebar )
.html( "" + ( value || "&#160;" ) );
break;
}
this._super( key, value );
},
_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 nonContentHeight, minContentHeight,
options = this.options;
// 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
})
.outerHeight();
minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
if ( options.height === "auto" ) {
this.element.css({
minHeight: minContentHeight,
height: "auto"
});
} else {
this.element.height( Math.max( options.height - nonContentHeight, 0 ) );
}
if (this.uiDialog.is( ":data(ui-resizable)" ) ) {
this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
}
}
});
$.extend($.ui.dialog, {
uuid: 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: [],
create: function( dialog ) {
var $el = ( this.oldInstances.pop() || $( "<div>" ).addClass( "ui-widget-overlay ui-front" ) );
$el.appendTo( document.body );
$el.bind( "mousedown", function( event ) {
dialog._keepFocus( event );
});
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();
}
});
$.extend( $.ui.dialog.overlay.prototype, {
destroy: function() {
$.ui.dialog.overlay.destroy( this.$el );
}
});
}( jQuery ) );