mirror of
https://github.com/jquery/jquery-ui.git
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830 lines
20 KiB
JavaScript
830 lines
20 KiB
JavaScript
/*
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* jQuery UI Dialog @VERSION
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*
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* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/Dialog
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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* jquery.ui.button.js
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* jquery.ui.draggable.js
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* jquery.ui.mouse.js
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* jquery.ui.position.js
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* jquery.ui.resizable.js
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*/
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(function( $, undefined ) {
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var uiDialogClasses = "ui-dialog ui-widget ui-widget-content ui-corner-all ",
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sizeRelatedOptions = {
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buttons: true,
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height: true,
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maxHeight: true,
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maxWidth: true,
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minHeight: true,
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minWidth: true,
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width: true
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},
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resizableRelatedOptions = {
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maxHeight: true,
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maxWidth: true,
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minHeight: true,
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minWidth: true
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};
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$.widget("ui.dialog", {
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options: {
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autoOpen: true,
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buttons: {},
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closeOnEscape: true,
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closeText: "close",
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dialogClass: "",
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draggable: true,
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hide: null,
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height: "auto",
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maxHeight: false,
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maxWidth: false,
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minHeight: 150,
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minWidth: 150,
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modal: false,
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position: {
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my: "center",
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at: "center",
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of: window,
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collision: "fit",
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// ensure that the titlebar is never outside the document
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using: function( pos ) {
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var topOffset = $( this ).css( pos ).offset().top;
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if ( topOffset < 0 ) {
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$( this ).css( "top", pos.top - topOffset );
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}
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}
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},
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resizable: true,
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show: null,
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stack: true,
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title: "",
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width: 300,
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zIndex: 1000
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},
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_create: function() {
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this.originalTitle = this.element.attr( "title" );
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// #5742 - .attr() might return a DOMElement
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if ( typeof this.originalTitle !== "string" ) {
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this.originalTitle = "";
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}
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this.options.title = this.options.title || this.originalTitle;
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var self = this,
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options = self.options,
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title = options.title || " ",
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titleId = $.ui.dialog.getTitleId( self.element ),
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uiDialog = ( self.uiDialog = $( "<div>" ) )
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.appendTo( document.body )
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.hide()
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.addClass( uiDialogClasses + options.dialogClass )
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.css({
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zIndex: options.zIndex
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})
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// setting tabIndex makes the div focusable
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.attr( "tabIndex", -1)
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// TODO: move to stylesheet
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.css( "outline", 0 )
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.keydown(function( event ) {
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if ( options.closeOnEscape && event.keyCode &&
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event.keyCode === $.ui.keyCode.ESCAPE ) {
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self.close( event );
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event.preventDefault();
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}
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})
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.attr({
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role: "dialog",
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"aria-labelledby": titleId
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})
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.mousedown(function( event ) {
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self.moveToTop( false, event );
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}),
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uiDialogContent = self.element
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.show()
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.removeAttr( "title" )
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.addClass( "ui-dialog-content ui-widget-content" )
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.appendTo( uiDialog ),
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uiDialogTitlebar = ( self.uiDialogTitlebar = $( "<div>" ) )
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.addClass( "ui-dialog-titlebar ui-widget-header " +
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"ui-corner-all ui-helper-clearfix" )
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.prependTo( uiDialog ),
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uiDialogTitlebarClose = $( "<a href='#'></a>" )
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.addClass( "ui-dialog-titlebar-close ui-corner-all" )
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.attr( "role", "button" )
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.click(function( event ) {
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event.preventDefault();
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self.close( event );
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})
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.appendTo( uiDialogTitlebar ),
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uiDialogTitlebarCloseText = ( self.uiDialogTitlebarCloseText = $( "<span>" ) )
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.addClass( "ui-icon ui-icon-closethick" )
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.text( options.closeText )
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.appendTo( uiDialogTitlebarClose ),
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uiDialogTitle = $( "<span>" )
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.addClass( "ui-dialog-title" )
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.attr( "id", titleId )
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.html( title )
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.prependTo( uiDialogTitlebar );
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uiDialogTitlebar.find( "*" ).add( uiDialogTitlebar ).disableSelection();
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this._hoverable( uiDialogTitlebarClose );
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this._focusable( uiDialogTitlebarClose );
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if ( options.draggable && $.fn.draggable ) {
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self._makeDraggable();
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}
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if ( options.resizable && $.fn.resizable ) {
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self._makeResizable();
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}
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self._createButtons( options.buttons );
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self._isOpen = false;
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if ( $.fn.bgiframe ) {
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uiDialog.bgiframe();
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}
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},
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_init: function() {
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if ( this.options.autoOpen ) {
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this.open();
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}
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},
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_destroy: function() {
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var self = this;
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if ( self.overlay ) {
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self.overlay.destroy();
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}
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self.uiDialog.hide();
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self.element
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.removeClass( "ui-dialog-content ui-widget-content" )
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.hide()
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.appendTo( "body" );
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self.uiDialog.remove();
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if ( self.originalTitle ) {
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self.element.attr( "title", self.originalTitle );
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}
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},
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widget: function() {
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return this.uiDialog;
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},
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close: function( event ) {
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var self = this,
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maxZ, thisZ;
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if ( false === self._trigger( "beforeClose", event ) ) {
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return;
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}
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if ( self.overlay ) {
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self.overlay.destroy();
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}
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self.uiDialog.unbind( "keypress.ui-dialog" );
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self._isOpen = false;
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if ( self.options.hide ) {
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self.uiDialog.hide( self.options.hide, function() {
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self._trigger( "close", event );
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});
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} else {
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self.uiDialog.hide();
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self._trigger( "close", event );
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}
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$.ui.dialog.overlay.resize();
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// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
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if ( self.options.modal ) {
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maxZ = 0;
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$( ".ui-dialog" ).each(function() {
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if ( this !== self.uiDialog[0] ) {
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thisZ = $( this ).css( "z-index" );
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if ( !isNaN( thisZ ) ) {
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maxZ = Math.max( maxZ, thisZ );
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}
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}
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});
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$.ui.dialog.maxZ = maxZ;
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}
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return self;
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},
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isOpen: function() {
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return this._isOpen;
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},
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// the force parameter allows us to move modal dialogs to their correct
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// position on open
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moveToTop: function( force, event ) {
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var self = this,
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options = self.options,
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saveScroll;
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if ( ( options.modal && !force ) ||
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( !options.stack && !options.modal ) ) {
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return self._trigger( "focus", event );
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}
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if ( options.zIndex > $.ui.dialog.maxZ ) {
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$.ui.dialog.maxZ = options.zIndex;
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}
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if ( self.overlay ) {
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$.ui.dialog.maxZ += 1;
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$.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ;
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self.overlay.$el.css( "z-index", $.ui.dialog.overlay.maxZ );
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}
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// Save and then restore scroll
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// Opera 9.5+ resets when parent z-index is changed.
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// http://bugs.jqueryui.com/ticket/3193
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saveScroll = {
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scrollTop: self.element.attr( "scrollTop" ),
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scrollLeft: self.element.attr( "scrollLeft" )
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};
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$.ui.dialog.maxZ += 1;
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self.uiDialog.css( "z-index", $.ui.dialog.maxZ );
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self.element.attr( saveScroll );
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self._trigger( "focus", event );
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return self;
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},
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open: function() {
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if ( this._isOpen ) {
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return;
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}
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var self = this,
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options = self.options,
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uiDialog = self.uiDialog;
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self.overlay = options.modal ? new $.ui.dialog.overlay( self ) : null;
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self._size();
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self._position( options.position );
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uiDialog.show( options.show );
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self.moveToTop( true );
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// prevent tabbing out of modal dialogs
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if ( options.modal ) {
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uiDialog.bind( "keypress.ui-dialog", function( event ) {
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if ( event.keyCode !== $.ui.keyCode.TAB ) {
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return;
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}
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var tabbables = $( ":tabbable", this ),
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first = tabbables.filter( ":first" ),
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last = tabbables.filter( ":last" );
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if ( event.target === last[0] && !event.shiftKey ) {
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first.focus( 1 );
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return false;
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} else if ( event.target === first[0] && event.shiftKey ) {
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last.focus( 1 );
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return false;
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}
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});
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}
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// set focus to the first tabbable element in the content area or the first button
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// if there are no tabbable elements, set focus on the dialog itself
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$( self.element.find( ":tabbable" ).get().concat(
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uiDialog.find( ".ui-dialog-buttonpane :tabbable" ).get().concat(
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uiDialog.get() ) ) ).eq( 0 ).focus();
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self._isOpen = true;
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self._trigger( "open" );
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return self;
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},
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_createButtons: function( buttons ) {
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var self = this,
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hasButtons = false,
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uiDialogButtonPane = $( "<div>" )
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.addClass( "ui-dialog-buttonpane ui-widget-content ui-helper-clearfix" ),
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uiButtonSet = $( "<div>" )
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.addClass( "ui-dialog-buttonset" )
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.appendTo( uiDialogButtonPane );
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// if we already have a button pane, remove it
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self.uiDialog.find( ".ui-dialog-buttonpane" ).remove();
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if ( typeof buttons === "object" && buttons !== null ) {
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$.each( buttons, function() {
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return !(hasButtons = true);
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});
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}
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if ( hasButtons ) {
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$.each( buttons, function( name, props ) {
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props = $.isFunction( props ) ?
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{ click: props, text: name } :
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props;
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var button = $( "<button type='button'>" )
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.attr( props, true )
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.unbind( "click" )
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.click(function() {
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props.click.apply( self.element[0], arguments );
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})
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.appendTo( uiButtonSet );
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if ( $.fn.button ) {
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button.button();
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}
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});
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self.uiDialog.addClass( "ui-dialog-buttons" );
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uiDialogButtonPane.appendTo( self.uiDialog );
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} else {
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self.uiDialog.removeClass( "ui-dialog-buttons" );
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}
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},
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_makeDraggable: function() {
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var self = this,
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options = self.options,
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doc = $( document ),
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heightBeforeDrag;
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function filteredUi( ui ) {
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return {
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position: ui.position,
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offset: ui.offset
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};
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}
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self.uiDialog.draggable({
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cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
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handle: ".ui-dialog-titlebar",
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containment: "document",
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start: function( event, ui ) {
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heightBeforeDrag = options.height === "auto" ? "auto" : $( this ).height();
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$( this )
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.height( $( this ).height() )
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.addClass( "ui-dialog-dragging" );
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self._trigger( "dragStart", event, filteredUi( ui ) );
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},
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drag: function( event, ui ) {
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self._trigger( "drag", event, filteredUi( ui ) );
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},
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stop: function( event, ui ) {
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options.position = [
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ui.position.left - doc.scrollLeft(),
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ui.position.top - doc.scrollTop()
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];
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$( this )
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.removeClass( "ui-dialog-dragging" )
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.height( heightBeforeDrag );
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self._trigger( "dragStop", event, filteredUi( ui ) );
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$.ui.dialog.overlay.resize();
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}
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});
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},
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_makeResizable: function( handles ) {
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handles = (handles === undefined ? this.options.resizable : handles);
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var self = this,
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options = self.options,
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// .ui-resizable has position: relative defined in the stylesheet
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// but dialogs have to use absolute or fixed positioning
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position = self.uiDialog.css( "position" ),
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resizeHandles = typeof handles === 'string' ?
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handles :
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"n,e,s,w,se,sw,ne,nw";
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function filteredUi( ui ) {
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return {
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originalPosition: ui.originalPosition,
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originalSize: ui.originalSize,
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position: ui.position,
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size: ui.size
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};
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}
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self.uiDialog.resizable({
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cancel: ".ui-dialog-content",
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containment: "document",
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alsoResize: self.element,
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maxWidth: options.maxWidth,
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maxHeight: options.maxHeight,
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minWidth: options.minWidth,
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minHeight: self._minHeight(),
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handles: resizeHandles,
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start: function( event, ui ) {
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$( this ).addClass( "ui-dialog-resizing" );
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self._trigger( "resizeStart", event, filteredUi( ui ) );
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},
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resize: function( event, ui ) {
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self._trigger( "resize", event, filteredUi( ui ) );
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},
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stop: function( event, ui ) {
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$( this ).removeClass( "ui-dialog-resizing" );
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options.height = $( this ).height();
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options.width = $( this ).width();
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self._trigger( "resizeStop", event, filteredUi( ui ) );
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$.ui.dialog.overlay.resize();
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}
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})
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.css( "position", position )
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.find( ".ui-resizable-se" )
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.addClass( "ui-icon ui-icon-grip-diagonal-se" );
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},
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_minHeight: function() {
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var options = this.options;
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if ( options.height === "auto" ) {
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return options.minHeight;
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} else {
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return Math.min( options.minHeight, options.height );
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}
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},
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_position: function( position ) {
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var myAt = [],
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offset = [ 0, 0 ],
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isVisible;
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if ( position ) {
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// deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
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// if (typeof position == 'string' || $.isArray(position)) {
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// myAt = $.isArray(position) ? position : position.split(' ');
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if ( typeof position === "string" || (typeof position === "object" && "0" in position ) ) {
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myAt = position.split ? position.split( " " ) : [ position[ 0 ], position[ 1 ] ];
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if ( myAt.length === 1 ) {
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myAt[ 1 ] = myAt[ 0 ];
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}
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$.each( [ "left", "top" ], function( i, offsetPosition ) {
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if ( +myAt[ i ] === myAt[ i ] ) {
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offset[ i ] = myAt[ i ];
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myAt[ i ] = offsetPosition;
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}
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});
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position = {
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my: myAt.join( " " ),
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at: myAt.join( " " ),
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offset: offset.join( " " )
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};
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}
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position = $.extend( {}, $.ui.dialog.prototype.options.position, position );
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} else {
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position = $.ui.dialog.prototype.options.position;
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}
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// need to show the dialog to get the actual offset in the position plugin
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isVisible = this.uiDialog.is( ":visible" );
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if ( !isVisible ) {
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this.uiDialog.show();
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}
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this.uiDialog.position( position );
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if ( !isVisible ) {
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this.uiDialog.hide();
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}
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},
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_setOptions: function( options ) {
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var self = this,
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resizableOptions = {},
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resize = false;
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$.each( options, function( key, value ) {
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self._setOption( key, value );
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if ( key in sizeRelatedOptions ) {
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resize = true;
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}
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if ( key in resizableRelatedOptions ) {
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resizableOptions[ key ] = value;
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}
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});
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if ( resize ) {
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this._size();
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}
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if ( this.uiDialog.is( ":data(resizable)" ) ) {
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this.uiDialog.resizable( "option", resizableOptions );
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}
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},
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_setOption: function( key, value ) {
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var self = this,
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uiDialog = self.uiDialog;
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switch ( key ) {
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case "buttons":
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self._createButtons( value );
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break;
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case "closeText":
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// ensure that we always pass a string
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self.uiDialogTitlebarCloseText.text( "" + value );
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break;
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case "dialogClass":
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uiDialog
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.removeClass( self.options.dialogClass )
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.addClass( uiDialogClasses + value );
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break;
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case "disabled":
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if ( value ) {
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uiDialog.addClass( "ui-dialog-disabled" );
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} else {
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uiDialog.removeClass( "ui-dialog-disabled" );
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}
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break;
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case "draggable":
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var isDraggable = uiDialog.is( ":data(draggable)" );
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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 || " " ) );
|
||
break;
|
||
}
|
||
|
||
this._super( "_setOption", 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 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: "@VERSION",
|
||
|
||
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>" ).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 ) );
|