" ); this._addClass( axis, "ui-resizable-handle " + hname ); axis.css( { zIndex: o.zIndex } ); this.handles[ handle ] = ".ui-resizable-" + handle; if ( !this.element.children( this.handles[ handle ] ).length ) { this.element.append( axis ); this._addedHandles = this._addedHandles.add( 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" ); } }, _removeHandles: function() { this._addedHandles.remove(); }, _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 = ( parseFloat( that.element.css( "left" ) ) + ( that.position.left - that.originalPosition.left ) ) || null; top = ( parseFloat( that.element.css( "top" ) ) + ( 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"; } this.helper.css( props ); if ( this.size.width !== this.prevSize.width ) { props.width = this.size.width + "px"; this.helper.width( props.width ); } if ( this.size.height !== this.prevSize.height ) { props.height = this.size.height + "px"; this.helper.height( props.height ); } 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.originalPosition.top + this.originalSize.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 ] = ( parseFloat( borders[ i ] ) || 0 ); widths[ i ] += ( parseFloat( paddings[ i ] ) || 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 || $( "" ).css( { overflow: "hidden" } ); this._addClass( this.helper, this._helper ); this.helper.css( { width: this.element.outerWidth(), height: this.element.outerHeight(), 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() ] ); if ( 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 = ( parseFloat( that.element.css( "left" ) ) + ( that.position.left - that.originalPosition.left ) ) || null, top = ( parseFloat( that.element.css( "top" ) ) + ( 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: parseFloat( that.element.css( "width" ) ), height: parseFloat( that.element.css( "height" ) ), top: parseFloat( that.element.css( "top" ) ), left: parseFloat( that.element.css( "left" ) ) }; 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: parseFloat( el.css( "width" ) ), height: parseFloat( el.css( "height" ) ), left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) ) } ); } ); }, 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( "ui-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; } );