/*! * jQuery UI Resizable @VERSION * http://jqueryui.com * * Copyright jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license */ //>>label: Resizable //>>group: Interactions //>>description: Enables resize functionality for any element. //>>docs: http://api.jqueryui.com/resizable/ //>>demos: http://jqueryui.com/resizable/ //>>css.structure: ../themes/base/core.css //>>css.structure: ../themes/base/resizable.css //>>css.theme: ../themes/base/theme.css (function( factory ) { if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define([ "jquery", "./mouse", "../disable-selection", "../plugin", "../version", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } }(function( $ ) { $.widget("ui.resizable", $.ui.mouse, { version: "@VERSION", widgetEventPrefix: "resize", options: { alsoResize: false, animate: false, animateDuration: "slow", animateEasing: "swing", aspectRatio: false, autoHide: false, classes: { "ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se" }, containment: false, ghost: false, grid: false, handles: "e,s,se", helper: false, maxHeight: null, maxWidth: null, minHeight: 10, minWidth: 10, // See #7960 zIndex: 90, // callbacks resize: null, start: null, stop: null }, _num: function( value ) { return parseInt( value, 10 ) || 0; }, _isNumber: function( value ) { return !isNaN( parseInt( value, 10 ) ); }, _hasScroll: function( el, a ) { if ( $( el ).css( "overflow" ) === "hidden") { return false; } var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop", has = false; if ( el[ scroll ] > 0 ) { return true; } // TODO: determine which cases actually cause this to happen // if the element doesn't have the scroll set, see if it's possible to // set the scroll el[ scroll ] = 1; has = ( el[ scroll ] > 0 ); el[ scroll ] = 0; return has; }, _create: function() { var n, i, handle, axis, hname, that = this, o = this.options; this._addClass( "ui-resizable" ); $.extend(this, { _aspectRatio: !!(o.aspectRatio), aspectRatio: o.aspectRatio, originalElement: this.element, _proportionallyResizeElements: [], _helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null }); // Wrap the element if it cannot hold child nodes if (this.element[0].nodeName.match(/^(canvas|textarea|input|select|button|img)$/i)) { this.element.wrap( $("
").css({ position: this.element.css("position"), width: this.element.outerWidth(), height: this.element.outerHeight(), top: this.element.css("top"), left: this.element.css("left") }) ); this.element = this.element.parent().data( "ui-resizable", this.element.resizable( "instance" ) ); this.elementIsWrapper = true; this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") }); this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0 }); // support: Safari // Prevent Safari textarea resize this.originalResizeStyle = this.originalElement.css("resize"); this.originalElement.css("resize", "none"); this._proportionallyResizeElements.push( this.originalElement.css({ position: "static", zoom: 1, display: "block" }) ); // support: IE9 // avoid IE jump (hard set the margin) this.originalElement.css({ margin: this.originalElement.css("margin") }); this._proportionallyResize(); } this.handles = o.handles || ( !$(".ui-resizable-handle", this.element).length ? "e,s,se" : { n: ".ui-resizable-n", e: ".ui-resizable-e", s: ".ui-resizable-s", w: ".ui-resizable-w", se: ".ui-resizable-se", sw: ".ui-resizable-sw", ne: ".ui-resizable-ne", nw: ".ui-resizable-nw" } ); this._handles = $(); if ( this.handles.constructor === String ) { if ( this.handles === "all") { this.handles = "n,e,s,w,se,sw,ne,nw"; } n = this.handles.split(","); this.handles = {}; for (i = 0; i < n.length; i++) { handle = $.trim(n[i]); hname = "ui-resizable-" + handle; axis = $("
"); this._addClass( axis, "ui-resizable-handle " + hname ); axis.css({ zIndex: o.zIndex }); this.handles[handle] = ".ui-resizable-" + handle; this.element.append(axis); } } this._renderAxis = function(target) { var i, axis, padPos, padWrapper; target = target || this.element; for (i in this.handles) { if (this.handles[i].constructor === String) { this.handles[i] = this.element.children( this.handles[ i ] ).first().show(); } else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) { this.handles[ i ] = $( this.handles[ i ] ); this._on( this.handles[ i ], { "mousedown": that._mouseDown }); } if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/^(textarea|input|select|button)$/i)) { axis = $(this.handles[i], this.element); padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth(); padPos = [ "padding", /ne|nw|n/.test(i) ? "Top" : /se|sw|s/.test(i) ? "Bottom" : /^e$/.test(i) ? "Right" : "Left" ].join(""); target.css(padPos, padWrapper); this._proportionallyResize(); } this._handles = this._handles.add( this.handles[ i ] ); } }; // TODO: make renderAxis a prototype function this._renderAxis(this.element); this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) ); this._handles.disableSelection(); this._handles.on( "mouseover", function() { if (!that.resizing) { if (this.className) { axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i); } that.axis = axis && axis[1] ? axis[1] : "se"; } }); if (o.autoHide) { this._handles.hide(); this._addClass( "ui-resizable-autohide" ); $(this.element) .on( "mouseenter", function() { if (o.disabled) { return; } that._removeClass( "ui-resizable-autohide" ); that._handles.show(); }) .on( "mouseleave", function() { if (o.disabled) { return; } if (!that.resizing) { that._addClass( "ui-resizable-autohide" ); that._handles.hide(); } }); } this._mouseInit(); }, _destroy: function() { this._mouseDestroy(); var wrapper, _destroy = function(exp) { $(exp) .removeData("resizable") .removeData("ui-resizable") .off(".resizable") .find(".ui-resizable-handle") .remove(); }; // TODO: Unwrap at same DOM position if (this.elementIsWrapper) { _destroy(this.element); wrapper = this.element; this.originalElement.css({ position: wrapper.css("position"), width: wrapper.outerWidth(), height: wrapper.outerHeight(), top: wrapper.css("top"), left: wrapper.css("left") }).insertAfter( wrapper ); wrapper.remove(); } this.originalElement.css("resize", this.originalResizeStyle); _destroy(this.originalElement); return this; }, _mouseCapture: function(event) { var i, handle, capture = false; for (i in this.handles) { handle = $(this.handles[i])[0]; if (handle === event.target || $.contains(handle, event.target)) { capture = true; } } return !this.options.disabled && capture; }, _mouseStart: function(event) { var curleft, curtop, cursor, o = this.options, el = this.element; this.resizing = true; this._renderProxy(); curleft = this._num(this.helper.css("left")); curtop = this._num(this.helper.css("top")); if (o.containment) { curleft += $(o.containment).scrollLeft() || 0; curtop += $(o.containment).scrollTop() || 0; } this.offset = this.helper.offset(); this.position = { left: curleft, top: curtop }; this.size = this._helper ? { width: this.helper.width(), height: this.helper.height() } : { width: el.width(), height: el.height() }; this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() }; this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() }; this.originalPosition = { left: curleft, top: curtop }; this.originalMousePosition = { left: event.pageX, top: event.pageY }; this.aspectRatio = (typeof o.aspectRatio === "number") ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1); cursor = $(".ui-resizable-" + this.axis).css("cursor"); $("body").css("cursor", cursor === "auto" ? this.axis + "-resize" : cursor); this._addClass( "ui-resizable-resizing" ); this._propagate("start", event); return true; }, _mouseDrag: function(event) { var data, props, smp = this.originalMousePosition, a = this.axis, dx = (event.pageX - smp.left) || 0, dy = (event.pageY - smp.top) || 0, trigger = this._change[a]; this._updatePrevProperties(); if (!trigger) { return false; } data = trigger.apply(this, [ event, dx, dy ]); this._updateVirtualBoundaries(event.shiftKey); if (this._aspectRatio || event.shiftKey) { data = this._updateRatio(data, event); } data = this._respectSize(data, event); this._updateCache(data); this._propagate("resize", event); props = this._applyChanges(); if ( !this._helper && this._proportionallyResizeElements.length ) { this._proportionallyResize(); } if ( !$.isEmptyObject( props ) ) { this._updatePrevProperties(); this._trigger( "resize", event, this.ui() ); this._applyChanges(); } return false; }, _mouseStop: function(event) { this.resizing = false; var pr, ista, soffseth, soffsetw, s, left, top, o = this.options, that = this; if (this._helper) { pr = this._proportionallyResizeElements; ista = pr.length && (/textarea/i).test(pr[0].nodeName); soffseth = ista && this._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height; soffsetw = ista ? 0 : that.sizeDiff.width; s = { width: (that.helper.width() - soffsetw), height: (that.helper.height() - soffseth) }; left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null; top = (parseInt(that.element.css("top"), 10) + (that.position.top - that.originalPosition.top)) || null; if (!o.animate) { this.element.css($.extend(s, { top: top, left: left })); } that.helper.height(that.size.height); that.helper.width(that.size.width); if (this._helper && !o.animate) { this._proportionallyResize(); } } $("body").css("cursor", "auto"); this._removeClass( "ui-resizable-resizing" ); this._propagate("stop", event); if (this._helper) { this.helper.remove(); } return false; }, _updatePrevProperties: function() { this.prevPosition = { top: this.position.top, left: this.position.left }; this.prevSize = { width: this.size.width, height: this.size.height }; }, _applyChanges: function() { var props = {}; if ( this.position.top !== this.prevPosition.top ) { props.top = this.position.top + "px"; } if ( this.position.left !== this.prevPosition.left ) { props.left = this.position.left + "px"; } if ( this.size.width !== this.prevSize.width ) { props.width = this.size.width + "px"; } if ( this.size.height !== this.prevSize.height ) { props.height = this.size.height + "px"; } this.helper.css( props ); return props; }, _updateVirtualBoundaries: function(forceAspectRatio) { var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b, o = this.options; b = { minWidth: this._isNumber(o.minWidth) ? o.minWidth : 0, maxWidth: this._isNumber(o.maxWidth) ? o.maxWidth : Infinity, minHeight: this._isNumber(o.minHeight) ? o.minHeight : 0, maxHeight: this._isNumber(o.maxHeight) ? o.maxHeight : Infinity }; if (this._aspectRatio || forceAspectRatio) { pMinWidth = b.minHeight * this.aspectRatio; pMinHeight = b.minWidth / this.aspectRatio; pMaxWidth = b.maxHeight * this.aspectRatio; pMaxHeight = b.maxWidth / this.aspectRatio; if (pMinWidth > b.minWidth) { b.minWidth = pMinWidth; } if (pMinHeight > b.minHeight) { b.minHeight = pMinHeight; } if (pMaxWidth < b.maxWidth) { b.maxWidth = pMaxWidth; } if (pMaxHeight < b.maxHeight) { b.maxHeight = pMaxHeight; } } this._vBoundaries = b; }, _updateCache: function(data) { this.offset = this.helper.offset(); if (this._isNumber(data.left)) { this.position.left = data.left; } if (this._isNumber(data.top)) { this.position.top = data.top; } if (this._isNumber(data.height)) { this.size.height = data.height; } if (this._isNumber(data.width)) { this.size.width = data.width; } }, _updateRatio: function( data ) { var cpos = this.position, csize = this.size, a = this.axis; if (this._isNumber(data.height)) { data.width = (data.height * this.aspectRatio); } else if (this._isNumber(data.width)) { data.height = (data.width / this.aspectRatio); } if (a === "sw") { data.left = cpos.left + (csize.width - data.width); data.top = null; } if (a === "nw") { data.top = cpos.top + (csize.height - data.height); data.left = cpos.left + (csize.width - data.width); } return data; }, _respectSize: function( data ) { var o = this._vBoundaries, a = this.axis, ismaxw = this._isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = this._isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height), isminw = this._isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = this._isNumber(data.height) && o.minHeight && (o.minHeight > data.height), dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height, cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a); if (isminw) { data.width = o.minWidth; } if (isminh) { data.height = o.minHeight; } if (ismaxw) { data.width = o.maxWidth; } if (ismaxh) { data.height = o.maxHeight; } if (isminw && cw) { data.left = dw - o.minWidth; } if (ismaxw && cw) { data.left = dw - o.maxWidth; } if (isminh && ch) { data.top = dh - o.minHeight; } if (ismaxh && ch) { data.top = dh - o.maxHeight; } // Fixing jump error on top/left - bug #2330 if (!data.width && !data.height && !data.left && data.top) { data.top = null; } else if (!data.width && !data.height && !data.top && data.left) { data.left = null; } return data; }, _getPaddingPlusBorderDimensions: function( element ) { var i = 0, widths = [], borders = [ element.css( "borderTopWidth" ), element.css( "borderRightWidth" ), element.css( "borderBottomWidth" ), element.css( "borderLeftWidth" ) ], paddings = [ element.css( "paddingTop" ), element.css( "paddingRight" ), element.css( "paddingBottom" ), element.css( "paddingLeft" ) ]; for ( ; i < 4; i++ ) { widths[ i ] = ( parseInt( borders[ i ], 10 ) || 0 ); widths[ i ] += ( parseInt( paddings[ i ], 10 ) || 0 ); } return { height: widths[ 0 ] + widths[ 2 ], width: widths[ 1 ] + widths[ 3 ] }; }, _proportionallyResize: function() { if (!this._proportionallyResizeElements.length) { return; } var prel, i = 0, element = this.helper || this.element; for ( ; i < this._proportionallyResizeElements.length; i++) { prel = this._proportionallyResizeElements[i]; // TODO: Seems like a bug to cache this.outerDimensions // considering that we are in a loop. if (!this.outerDimensions) { this.outerDimensions = this._getPaddingPlusBorderDimensions( prel ); } prel.css({ height: (element.height() - this.outerDimensions.height) || 0, width: (element.width() - this.outerDimensions.width) || 0 }); } }, _renderProxy: function() { var el = this.element, o = this.options; this.elementOffset = el.offset(); if (this._helper) { this.helper = this.helper || $("
"); this._addClass( this.helper, this._helper ); this.helper.css({ width: this.element.outerWidth() - 1, height: this.element.outerHeight() - 1, position: "absolute", left: this.elementOffset.left + "px", top: this.elementOffset.top + "px", zIndex: ++o.zIndex //TODO: Don't modify option }); this.helper .appendTo("body") .disableSelection(); } else { this.helper = this.element; } }, _change: { e: function(event, dx) { return { width: this.originalSize.width + dx }; }, w: function(event, dx) { var cs = this.originalSize, sp = this.originalPosition; return { left: sp.left + dx, width: cs.width - dx }; }, n: function(event, dx, dy) { var cs = this.originalSize, sp = this.originalPosition; return { top: sp.top + dy, height: cs.height - dy }; }, s: function(event, dx, dy) { return { height: this.originalSize.height + dy }; }, se: function(event, dx, dy) { return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [ event, dx, dy ])); }, sw: function(event, dx, dy) { return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [ event, dx, dy ])); }, ne: function(event, dx, dy) { return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [ event, dx, dy ])); }, nw: function(event, dx, dy) { return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [ event, dx, dy ])); } }, _propagate: function(n, event) { $.ui.plugin.call(this, n, [ event, this.ui() ]); (n !== "resize" && this._trigger(n, event, this.ui())); }, plugins: {}, ui: function() { return { originalElement: this.originalElement, element: this.element, helper: this.helper, position: this.position, size: this.size, originalSize: this.originalSize, originalPosition: this.originalPosition }; } }); /* * Resizable Extensions */ $.ui.plugin.add("resizable", "animate", { stop: function( event ) { var that = $(this).resizable( "instance" ), o = that.options, pr = that._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName), soffseth = ista && that._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height, soffsetw = ista ? 0 : that.sizeDiff.width, style = { width: (that.size.width - soffsetw), height: (that.size.height - soffseth) }, left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null, top = (parseInt(that.element.css("top"), 10) + (that.position.top - that.originalPosition.top)) || null; that.element.animate( $.extend(style, top && left ? { top: top, left: left } : {}), { duration: o.animateDuration, easing: o.animateEasing, step: function() { var data = { width: parseInt(that.element.css("width"), 10), height: parseInt(that.element.css("height"), 10), top: parseInt(that.element.css("top"), 10), left: parseInt(that.element.css("left"), 10) }; if (pr && pr.length) { $(pr[0]).css({ width: data.width, height: data.height }); } // propagating resize, and updating values for each animation step that._updateCache(data); that._propagate("resize", event); } } ); } }); $.ui.plugin.add( "resizable", "containment", { start: function() { var element, p, co, ch, cw, width, height, that = $( this ).resizable( "instance" ), o = that.options, el = that.element, oc = o.containment, ce = ( oc instanceof $ ) ? oc.get( 0 ) : ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc; if ( !ce ) { return; } that.containerElement = $( ce ); if ( /document/.test( oc ) || oc === document ) { that.containerOffset = { left: 0, top: 0 }; that.containerPosition = { left: 0, top: 0 }; that.parentData = { element: $( document ), left: 0, top: 0, width: $( document ).width(), height: $( document ).height() || document.body.parentNode.scrollHeight }; } else { element = $( ce ); p = []; $([ "Top", "Right", "Left", "Bottom" ]).each(function( i, name ) { p[ i ] = that._num( element.css( "padding" + name ) ); }); that.containerOffset = element.offset(); that.containerPosition = element.position(); that.containerSize = { height: ( element.innerHeight() - p[ 3 ] ), width: ( element.innerWidth() - p[ 1 ] ) }; co = that.containerOffset; ch = that.containerSize.height; cw = that.containerSize.width; width = ( that._hasScroll ( ce, "left" ) ? ce.scrollWidth : cw ); height = ( that._hasScroll ( ce ) ? ce.scrollHeight : ch ) ; that.parentData = { element: ce, left: co.left, top: co.top, width: width, height: height }; } }, resize: function( event ) { var woset, hoset, isParent, isOffsetRelative, that = $( this ).resizable( "instance" ), o = that.options, co = that.containerOffset, cp = that.position, pRatio = that._aspectRatio || event.shiftKey, cop = { top: 0, left: 0 }, ce = that.containerElement, continueResize = true; if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) { cop = co; } if ( cp.left < ( that._helper ? co.left : 0 ) ) { that.size.width = that.size.width + ( that._helper ? ( that.position.left - co.left ) : ( that.position.left - cop.left ) ); if ( pRatio ) { that.size.height = that.size.width / that.aspectRatio; continueResize = false; } that.position.left = o.helper ? co.left : 0; } if ( cp.top < ( that._helper ? co.top : 0 ) ) { that.size.height = that.size.height + ( that._helper ? ( that.position.top - co.top ) : that.position.top ); if ( pRatio ) { that.size.width = that.size.height * that.aspectRatio; continueResize = false; } that.position.top = that._helper ? co.top : 0; } isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 ); isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) ); if ( isParent && isOffsetRelative ) { that.offset.left = that.parentData.left + that.position.left; that.offset.top = that.parentData.top + that.position.top; } else { that.offset.left = that.element.offset().left; that.offset.top = that.element.offset().top; } woset = Math.abs( that.sizeDiff.width + (that._helper ? that.offset.left - cop.left : (that.offset.left - co.left)) ); hoset = Math.abs( that.sizeDiff.height + (that._helper ? that.offset.top - cop.top : (that.offset.top - co.top)) ); if ( woset + that.size.width >= that.parentData.width ) { that.size.width = that.parentData.width - woset; if ( pRatio ) { that.size.height = that.size.width / that.aspectRatio; continueResize = false; } } if ( hoset + that.size.height >= that.parentData.height ) { that.size.height = that.parentData.height - hoset; if ( pRatio ) { that.size.width = that.size.height * that.aspectRatio; continueResize = false; } } if ( !continueResize ) { that.position.left = that.prevPosition.left; that.position.top = that.prevPosition.top; that.size.width = that.prevSize.width; that.size.height = that.prevSize.height; } }, stop: function() { var that = $( this ).resizable( "instance" ), o = that.options, co = that.containerOffset, cop = that.containerPosition, ce = that.containerElement, helper = $( that.helper ), ho = helper.offset(), w = helper.outerWidth() - that.sizeDiff.width, h = helper.outerHeight() - that.sizeDiff.height; if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) { $( this ).css({ left: ho.left - cop.left - co.left, width: w, height: h }); } if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) { $( this ).css({ left: ho.left - cop.left - co.left, width: w, height: h }); } } }); $.ui.plugin.add("resizable", "alsoResize", { start: function() { var that = $(this).resizable( "instance" ), o = that.options; $(o.alsoResize).each(function() { var el = $(this); el.data("ui-resizable-alsoresize", { width: parseInt(el.width(), 10), height: parseInt(el.height(), 10), left: parseInt(el.css("left"), 10), top: parseInt(el.css("top"), 10) }); }); }, resize: function(event, ui) { var that = $(this).resizable( "instance" ), o = that.options, os = that.originalSize, op = that.originalPosition, delta = { height: (that.size.height - os.height) || 0, width: (that.size.width - os.width) || 0, top: (that.position.top - op.top) || 0, left: (that.position.left - op.left) || 0 }; $(o.alsoResize).each(function() { var el = $(this), start = $(this).data("ui-resizable-alsoresize"), style = {}, css = el.parents(ui.originalElement[0]).length ? [ "width", "height" ] : [ "width", "height", "top", "left" ]; $.each(css, function(i, prop) { var sum = (start[prop] || 0) + (delta[prop] || 0); if (sum && sum >= 0) { style[prop] = sum || null; } }); el.css(style); }); }, stop: function() { $(this).removeData("resizable-alsoresize"); } }); $.ui.plugin.add("resizable", "ghost", { start: function() { var that = $(this).resizable( "instance" ), cs = that.size; that.ghost = that.originalElement.clone(); that.ghost.css({ opacity: 0.25, display: "block", position: "relative", height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 }); that._addClass( that.ghost, "ui-resizable-ghost" ); // DEPRECATED // TODO: remove after 1.12 if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) { // Ghost option that.ghost.addClass( this.options.ghost ); } that.ghost.appendTo(that.helper); }, resize: function() { var that = $(this).resizable( "instance" ); if (that.ghost) { that.ghost.css({ position: "relative", height: that.size.height, width: that.size.width }); } }, stop: function() { var that = $(this).resizable( "instance" ); if (that.ghost && that.helper) { that.helper.get(0).removeChild(that.ghost.get(0)); } } }); $.ui.plugin.add("resizable", "grid", { resize: function() { var outerDimensions, that = $(this).resizable( "instance" ), o = that.options, cs = that.size, os = that.originalSize, op = that.originalPosition, a = that.axis, grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid, gridX = (grid[0] || 1), gridY = (grid[1] || 1), ox = Math.round((cs.width - os.width) / gridX) * gridX, oy = Math.round((cs.height - os.height) / gridY) * gridY, newWidth = os.width + ox, newHeight = os.height + oy, isMaxWidth = o.maxWidth && (o.maxWidth < newWidth), isMaxHeight = o.maxHeight && (o.maxHeight < newHeight), isMinWidth = o.minWidth && (o.minWidth > newWidth), isMinHeight = o.minHeight && (o.minHeight > newHeight); o.grid = grid; if (isMinWidth) { newWidth += gridX; } if (isMinHeight) { newHeight += gridY; } if (isMaxWidth) { newWidth -= gridX; } if (isMaxHeight) { newHeight -= gridY; } if (/^(se|s|e)$/.test(a)) { that.size.width = newWidth; that.size.height = newHeight; } else if (/^(ne)$/.test(a)) { that.size.width = newWidth; that.size.height = newHeight; that.position.top = op.top - oy; } else if (/^(sw)$/.test(a)) { that.size.width = newWidth; that.size.height = newHeight; that.position.left = op.left - ox; } else { if ( newHeight - gridY <= 0 || newWidth - gridX <= 0) { outerDimensions = that._getPaddingPlusBorderDimensions( this ); } if ( newHeight - gridY > 0 ) { that.size.height = newHeight; that.position.top = op.top - oy; } else { newHeight = gridY - outerDimensions.height; that.size.height = newHeight; that.position.top = op.top + os.height - newHeight; } if ( newWidth - gridX > 0 ) { that.size.width = newWidth; that.position.left = op.left - ox; } else { newWidth = gridX - outerDimensions.width; that.size.width = newWidth; that.position.left = op.left + os.width - newWidth; } } } }); return $.ui.resizable; }));