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1 /*! 2 * jQuery UI Resizable 1.12.1 3 * http://jqueryui.com 4 * 5 * Copyright jQuery Foundation and other contributors 6 * Released under the MIT license. 7 * http://jquery.org/license 8 */ 9 10 //>>label: Resizable 11 //>>group: Interactions 12 //>>description: Enables resize functionality for any element. 13 //>>docs: http://api.jqueryui.com/resizable/ 14 //>>demos: http://jqueryui.com/resizable/ 15 //>>css.structure: ../../themes/base/core.css 16 //>>css.structure: ../../themes/base/resizable.css 17 //>>css.theme: ../../themes/base/theme.css 18 19 ( function( factory ) { 20 if ( typeof define === "function" && define.amd ) { 21 22 // AMD. Register as an anonymous module. 23 define( [ 24 "jquery", 25 "./mouse", 26 "./core" 27 ], factory ); 28 } else { 29 30 // Browser globals 31 factory( jQuery ); 32 } 33 }( function( $ ) { 34 35 $.widget( "ui.resizable", $.ui.mouse, { 36 version: "1.12.1", 37 widgetEventPrefix: "resize", 38 options: { 39 alsoResize: false, 40 animate: false, 41 animateDuration: "slow", 42 animateEasing: "swing", 43 aspectRatio: false, 44 autoHide: false, 45 classes: { 46 "ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se" 47 }, 48 containment: false, 49 ghost: false, 50 grid: false, 51 handles: "e,s,se", 52 helper: false, 53 maxHeight: null, 54 maxWidth: null, 55 minHeight: 10, 56 minWidth: 10, 57 58 // See #7960 59 zIndex: 90, 60 61 // Callbacks 62 resize: null, 63 start: null, 64 stop: null 65 }, 66 67 _num: function( value ) { 68 return parseFloat( value ) || 0; 69 }, 70 71 _isNumber: function( value ) { 72 return !isNaN( parseFloat( value ) ); 73 }, 74 75 _hasScroll: function( el, a ) { 76 77 if ( $( el ).css( "overflow" ) === "hidden" ) { 78 return false; 79 } 80 81 var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop", 82 has = false; 83 84 if ( el[ scroll ] > 0 ) { 85 return true; 86 } 87 88 // TODO: determine which cases actually cause this to happen 89 // if the element doesn't have the scroll set, see if it's possible to 90 // set the scroll 91 el[ scroll ] = 1; 92 has = ( el[ scroll ] > 0 ); 93 el[ scroll ] = 0; 94 return has; 95 }, 96 97 _create: function() { 98 99 var margins, 100 o = this.options, 101 that = this; 102 this._addClass( "ui-resizable" ); 103 104 $.extend( this, { 105 _aspectRatio: !!( o.aspectRatio ), 106 aspectRatio: o.aspectRatio, 107 originalElement: this.element, 108 _proportionallyResizeElements: [], 109 _helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null 110 } ); 111 112 // Wrap the element if it cannot hold child nodes 113 if ( this.element[ 0 ].nodeName.match( /^(canvas|textarea|input|select|button|img)$/i ) ) { 114 115 this.element.wrap( 116 $( "<div class='ui-wrapper' style='overflow: hidden;'></div>" ).css( { 117 position: this.element.css( "position" ), 118 width: this.element.outerWidth(), 119 height: this.element.outerHeight(), 120 top: this.element.css( "top" ), 121 left: this.element.css( "left" ) 122 } ) 123 ); 124 125 this.element = this.element.parent().data( 126 "ui-resizable", this.element.resizable( "instance" ) 127 ); 128 129 this.elementIsWrapper = true; 130 131 margins = { 132 marginTop: this.originalElement.css( "marginTop" ), 133 marginRight: this.originalElement.css( "marginRight" ), 134 marginBottom: this.originalElement.css( "marginBottom" ), 135 marginLeft: this.originalElement.css( "marginLeft" ) 136 }; 137 138 this.element.css( margins ); 139 this.originalElement.css( "margin", 0 ); 140 141 // support: Safari 142 // Prevent Safari textarea resize 143 this.originalResizeStyle = this.originalElement.css( "resize" ); 144 this.originalElement.css( "resize", "none" ); 145 146 this._proportionallyResizeElements.push( this.originalElement.css( { 147 position: "static", 148 zoom: 1, 149 display: "block" 150 } ) ); 151 152 // Support: IE9 153 // avoid IE jump (hard set the margin) 154 this.originalElement.css( margins ); 155 156 this._proportionallyResize(); 157 } 158 159 this._setupHandles(); 160 161 if ( o.autoHide ) { 162 $( this.element ) 163 .on( "mouseenter", function() { 164 if ( o.disabled ) { 165 return; 166 } 167 that._removeClass( "ui-resizable-autohide" ); 168 that._handles.show(); 169 } ) 170 .on( "mouseleave", function() { 171 if ( o.disabled ) { 172 return; 173 } 174 if ( !that.resizing ) { 175 that._addClass( "ui-resizable-autohide" ); 176 that._handles.hide(); 177 } 178 } ); 179 } 180 181 this._mouseInit(); 182 }, 183 184 _destroy: function() { 185 186 this._mouseDestroy(); 187 188 var wrapper, 189 _destroy = function( exp ) { 190 $( exp ) 191 .removeData( "resizable" ) 192 .removeData( "ui-resizable" ) 193 .off( ".resizable" ) 194 .find( ".ui-resizable-handle" ) 195 .remove(); 196 }; 197 198 // TODO: Unwrap at same DOM position 199 if ( this.elementIsWrapper ) { 200 _destroy( this.element ); 201 wrapper = this.element; 202 this.originalElement.css( { 203 position: wrapper.css( "position" ), 204 width: wrapper.outerWidth(), 205 height: wrapper.outerHeight(), 206 top: wrapper.css( "top" ), 207 left: wrapper.css( "left" ) 208 } ).insertAfter( wrapper ); 209 wrapper.remove(); 210 } 211 212 this.originalElement.css( "resize", this.originalResizeStyle ); 213 _destroy( this.originalElement ); 214 215 return this; 216 }, 217 218 _setOption: function( key, value ) { 219 this._super( key, value ); 220 221 switch ( key ) { 222 case "handles": 223 this._removeHandles(); 224 this._setupHandles(); 225 break; 226 default: 227 break; 228 } 229 }, 230 231 _setupHandles: function() { 232 var o = this.options, handle, i, n, hname, axis, that = this; 233 this.handles = o.handles || 234 ( !$( ".ui-resizable-handle", this.element ).length ? 235 "e,s,se" : { 236 n: ".ui-resizable-n", 237 e: ".ui-resizable-e", 238 s: ".ui-resizable-s", 239 w: ".ui-resizable-w", 240 se: ".ui-resizable-se", 241 sw: ".ui-resizable-sw", 242 ne: ".ui-resizable-ne", 243 nw: ".ui-resizable-nw" 244 } ); 245 246 this._handles = $(); 247 if ( this.handles.constructor === String ) { 248 249 if ( this.handles === "all" ) { 250 this.handles = "n,e,s,w,se,sw,ne,nw"; 251 } 252 253 n = this.handles.split( "," ); 254 this.handles = {}; 255 256 for ( i = 0; i < n.length; i++ ) { 257 258 handle = $.trim( n[ i ] ); 259 hname = "ui-resizable-" + handle; 260 axis = $( "<div>" ); 261 this._addClass( axis, "ui-resizable-handle " + hname ); 262 263 axis.css( { zIndex: o.zIndex } ); 264 265 this.handles[ handle ] = ".ui-resizable-" + handle; 266 this.element.append( axis ); 267 } 268 269 } 270 271 this._renderAxis = function( target ) { 272 273 var i, axis, padPos, padWrapper; 274 275 target = target || this.element; 276 277 for ( i in this.handles ) { 278 279 if ( this.handles[ i ].constructor === String ) { 280 this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show(); 281 } else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) { 282 this.handles[ i ] = $( this.handles[ i ] ); 283 this._on( this.handles[ i ], { "mousedown": that._mouseDown } ); 284 } 285 286 if ( this.elementIsWrapper && 287 this.originalElement[ 0 ] 288 .nodeName 289 .match( /^(textarea|input|select|button)$/i ) ) { 290 axis = $( this.handles[ i ], this.element ); 291 292 padWrapper = /sw|ne|nw|se|n|s/.test( i ) ? 293 axis.outerHeight() : 294 axis.outerWidth(); 295 296 padPos = [ "padding", 297 /ne|nw|n/.test( i ) ? "Top" : 298 /se|sw|s/.test( i ) ? "Bottom" : 299 /^e$/.test( i ) ? "Right" : "Left" ].join( "" ); 300 301 target.css( padPos, padWrapper ); 302 303 this._proportionallyResize(); 304 } 305 306 this._handles = this._handles.add( this.handles[ i ] ); 307 } 308 }; 309 310 // TODO: make renderAxis a prototype function 311 this._renderAxis( this.element ); 312 313 this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) ); 314 this._handles.disableSelection(); 315 316 this._handles.on( "mouseover", function() { 317 if ( !that.resizing ) { 318 if ( this.className ) { 319 axis = this.className.match( /ui-resizable-(se|sw|ne|nw|n|e|s|w)/i ); 320 } 321 that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se"; 322 } 323 } ); 324 325 if ( o.autoHide ) { 326 this._handles.hide(); 327 this._addClass( "ui-resizable-autohide" ); 328 } 329 }, 330 331 _removeHandles: function() { 332 this._handles.remove(); 333 }, 334 335 _mouseCapture: function( event ) { 336 var i, handle, 337 capture = false; 338 339 for ( i in this.handles ) { 340 handle = $( this.handles[ i ] )[ 0 ]; 341 if ( handle === event.target || $.contains( handle, event.target ) ) { 342 capture = true; 343 } 344 } 345 346 return !this.options.disabled && capture; 347 }, 348 349 _mouseStart: function( event ) { 350 351 var curleft, curtop, cursor, 352 o = this.options, 353 el = this.element; 354 355 this.resizing = true; 356 357 this._renderProxy(); 358 359 curleft = this._num( this.helper.css( "left" ) ); 360 curtop = this._num( this.helper.css( "top" ) ); 361 362 if ( o.containment ) { 363 curleft += $( o.containment ).scrollLeft() || 0; 364 curtop += $( o.containment ).scrollTop() || 0; 365 } 366 367 this.offset = this.helper.offset(); 368 this.position = { left: curleft, top: curtop }; 369 370 this.size = this._helper ? { 371 width: this.helper.width(), 372 height: this.helper.height() 373 } : { 374 width: el.width(), 375 height: el.height() 376 }; 377 378 this.originalSize = this._helper ? { 379 width: el.outerWidth(), 380 height: el.outerHeight() 381 } : { 382 width: el.width(), 383 height: el.height() 384 }; 385 386 this.sizeDiff = { 387 width: el.outerWidth() - el.width(), 388 height: el.outerHeight() - el.height() 389 }; 390 391 this.originalPosition = { left: curleft, top: curtop }; 392 this.originalMousePosition = { left: event.pageX, top: event.pageY }; 393 394 this.aspectRatio = ( typeof o.aspectRatio === "number" ) ? 395 o.aspectRatio : 396 ( ( this.originalSize.width / this.originalSize.height ) || 1 ); 397 398 cursor = $( ".ui-resizable-" + this.axis ).css( "cursor" ); 399 $( "body" ).css( "cursor", cursor === "auto" ? this.axis + "-resize" : cursor ); 400 401 this._addClass( "ui-resizable-resizing" ); 402 this._propagate( "start", event ); 403 return true; 404 }, 405 406 _mouseDrag: function( event ) { 407 408 var data, props, 409 smp = this.originalMousePosition, 410 a = this.axis, 411 dx = ( event.pageX - smp.left ) || 0, 412 dy = ( event.pageY - smp.top ) || 0, 413 trigger = this._change[ a ]; 414 415 this._updatePrevProperties(); 416 417 if ( !trigger ) { 418 return false; 419 } 420 421 data = trigger.apply( this, [ event, dx, dy ] ); 422 423 this._updateVirtualBoundaries( event.shiftKey ); 424 if ( this._aspectRatio || event.shiftKey ) { 425 data = this._updateRatio( data, event ); 426 } 427 428 data = this._respectSize( data, event ); 429 430 this._updateCache( data ); 431 432 this._propagate( "resize", event ); 433 434 props = this._applyChanges(); 435 436 if ( !this._helper && this._proportionallyResizeElements.length ) { 437 this._proportionallyResize(); 438 } 439 440 if ( !$.isEmptyObject( props ) ) { 441 this._updatePrevProperties(); 442 this._trigger( "resize", event, this.ui() ); 443 this._applyChanges(); 444 } 445 446 return false; 447 }, 448 449 _mouseStop: function( event ) { 450 451 this.resizing = false; 452 var pr, ista, soffseth, soffsetw, s, left, top, 453 o = this.options, that = this; 454 455 if ( this._helper ) { 456 457 pr = this._proportionallyResizeElements; 458 ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ); 459 soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height; 460 soffsetw = ista ? 0 : that.sizeDiff.width; 461 462 s = { 463 width: ( that.helper.width() - soffsetw ), 464 height: ( that.helper.height() - soffseth ) 465 }; 466 left = ( parseFloat( that.element.css( "left" ) ) + 467 ( that.position.left - that.originalPosition.left ) ) || null; 468 top = ( parseFloat( that.element.css( "top" ) ) + 469 ( that.position.top - that.originalPosition.top ) ) || null; 470 471 if ( !o.animate ) { 472 this.element.css( $.extend( s, { top: top, left: left } ) ); 473 } 474 475 that.helper.height( that.size.height ); 476 that.helper.width( that.size.width ); 477 478 if ( this._helper && !o.animate ) { 479 this._proportionallyResize(); 480 } 481 } 482 483 $( "body" ).css( "cursor", "auto" ); 484 485 this._removeClass( "ui-resizable-resizing" ); 486 487 this._propagate( "stop", event ); 488 489 if ( this._helper ) { 490 this.helper.remove(); 491 } 492 493 return false; 494 495 }, 496 497 _updatePrevProperties: function() { 498 this.prevPosition = { 499 top: this.position.top, 500 left: this.position.left 501 }; 502 this.prevSize = { 503 width: this.size.width, 504 height: this.size.height 505 }; 506 }, 507 508 _applyChanges: function() { 509 var props = {}; 510 511 if ( this.position.top !== this.prevPosition.top ) { 512 props.top = this.position.top + "px"; 513 } 514 if ( this.position.left !== this.prevPosition.left ) { 515 props.left = this.position.left + "px"; 516 } 517 if ( this.size.width !== this.prevSize.width ) { 518 props.width = this.size.width + "px"; 519 } 520 if ( this.size.height !== this.prevSize.height ) { 521 props.height = this.size.height + "px"; 522 } 523 524 this.helper.css( props ); 525 526 return props; 527 }, 528 529 _updateVirtualBoundaries: function( forceAspectRatio ) { 530 var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b, 531 o = this.options; 532 533 b = { 534 minWidth: this._isNumber( o.minWidth ) ? o.minWidth : 0, 535 maxWidth: this._isNumber( o.maxWidth ) ? o.maxWidth : Infinity, 536 minHeight: this._isNumber( o.minHeight ) ? o.minHeight : 0, 537 maxHeight: this._isNumber( o.maxHeight ) ? o.maxHeight : Infinity 538 }; 539 540 if ( this._aspectRatio || forceAspectRatio ) { 541 pMinWidth = b.minHeight * this.aspectRatio; 542 pMinHeight = b.minWidth / this.aspectRatio; 543 pMaxWidth = b.maxHeight * this.aspectRatio; 544 pMaxHeight = b.maxWidth / this.aspectRatio; 545 546 if ( pMinWidth > b.minWidth ) { 547 b.minWidth = pMinWidth; 548 } 549 if ( pMinHeight > b.minHeight ) { 550 b.minHeight = pMinHeight; 551 } 552 if ( pMaxWidth < b.maxWidth ) { 553 b.maxWidth = pMaxWidth; 554 } 555 if ( pMaxHeight < b.maxHeight ) { 556 b.maxHeight = pMaxHeight; 557 } 558 } 559 this._vBoundaries = b; 560 }, 561 562 _updateCache: function( data ) { 563 this.offset = this.helper.offset(); 564 if ( this._isNumber( data.left ) ) { 565 this.position.left = data.left; 566 } 567 if ( this._isNumber( data.top ) ) { 568 this.position.top = data.top; 569 } 570 if ( this._isNumber( data.height ) ) { 571 this.size.height = data.height; 572 } 573 if ( this._isNumber( data.width ) ) { 574 this.size.width = data.width; 575 } 576 }, 577 578 _updateRatio: function( data ) { 579 580 var cpos = this.position, 581 csize = this.size, 582 a = this.axis; 583 584 if ( this._isNumber( data.height ) ) { 585 data.width = ( data.height * this.aspectRatio ); 586 } else if ( this._isNumber( data.width ) ) { 587 data.height = ( data.width / this.aspectRatio ); 588 } 589 590 if ( a === "sw" ) { 591 data.left = cpos.left + ( csize.width - data.width ); 592 data.top = null; 593 } 594 if ( a === "nw" ) { 595 data.top = cpos.top + ( csize.height - data.height ); 596 data.left = cpos.left + ( csize.width - data.width ); 597 } 598 599 return data; 600 }, 601 602 _respectSize: function( data ) { 603 604 var o = this._vBoundaries, 605 a = this.axis, 606 ismaxw = this._isNumber( data.width ) && o.maxWidth && ( o.maxWidth < data.width ), 607 ismaxh = this._isNumber( data.height ) && o.maxHeight && ( o.maxHeight < data.height ), 608 isminw = this._isNumber( data.width ) && o.minWidth && ( o.minWidth > data.width ), 609 isminh = this._isNumber( data.height ) && o.minHeight && ( o.minHeight > data.height ), 610 dw = this.originalPosition.left + this.originalSize.width, 611 dh = this.originalPosition.top + this.originalSize.height, 612 cw = /sw|nw|w/.test( a ), ch = /nw|ne|n/.test( a ); 613 if ( isminw ) { 614 data.width = o.minWidth; 615 } 616 if ( isminh ) { 617 data.height = o.minHeight; 618 } 619 if ( ismaxw ) { 620 data.width = o.maxWidth; 621 } 622 if ( ismaxh ) { 623 data.height = o.maxHeight; 624 } 625 626 if ( isminw && cw ) { 627 data.left = dw - o.minWidth; 628 } 629 if ( ismaxw && cw ) { 630 data.left = dw - o.maxWidth; 631 } 632 if ( isminh && ch ) { 633 data.top = dh - o.minHeight; 634 } 635 if ( ismaxh && ch ) { 636 data.top = dh - o.maxHeight; 637 } 638 639 // Fixing jump error on top/left - bug #2330 640 if ( !data.width && !data.height && !data.left && data.top ) { 641 data.top = null; 642 } else if ( !data.width && !data.height && !data.top && data.left ) { 643 data.left = null; 644 } 645 646 return data; 647 }, 648 649 _getPaddingPlusBorderDimensions: function( element ) { 650 var i = 0, 651 widths = [], 652 borders = [ 653 element.css( "borderTopWidth" ), 654 element.css( "borderRightWidth" ), 655 element.css( "borderBottomWidth" ), 656 element.css( "borderLeftWidth" ) 657 ], 658 paddings = [ 659 element.css( "paddingTop" ), 660 element.css( "paddingRight" ), 661 element.css( "paddingBottom" ), 662 element.css( "paddingLeft" ) 663 ]; 664 665 for ( ; i < 4; i++ ) { 666 widths[ i ] = ( parseFloat( borders[ i ] ) || 0 ); 667 widths[ i ] += ( parseFloat( paddings[ i ] ) || 0 ); 668 } 669 670 return { 671 height: widths[ 0 ] + widths[ 2 ], 672 width: widths[ 1 ] + widths[ 3 ] 673 }; 674 }, 675 676 _proportionallyResize: function() { 677 678 if ( !this._proportionallyResizeElements.length ) { 679 return; 680 } 681 682 var prel, 683 i = 0, 684 element = this.helper || this.element; 685 686 for ( ; i < this._proportionallyResizeElements.length; i++ ) { 687 688 prel = this._proportionallyResizeElements[ i ]; 689 690 // TODO: Seems like a bug to cache this.outerDimensions 691 // considering that we are in a loop. 692 if ( !this.outerDimensions ) { 693 this.outerDimensions = this._getPaddingPlusBorderDimensions( prel ); 694 } 695 696 prel.css( { 697 height: ( element.height() - this.outerDimensions.height ) || 0, 698 width: ( element.width() - this.outerDimensions.width ) || 0 699 } ); 700 701 } 702 703 }, 704 705 _renderProxy: function() { 706 707 var el = this.element, o = this.options; 708 this.elementOffset = el.offset(); 709 710 if ( this._helper ) { 711 712 this.helper = this.helper || $( "<div style='overflow:hidden;'></div>" ); 713 714 this._addClass( this.helper, this._helper ); 715 this.helper.css( { 716 width: this.element.outerWidth(), 717 height: this.element.outerHeight(), 718 position: "absolute", 719 left: this.elementOffset.left + "px", 720 top: this.elementOffset.top + "px", 721 zIndex: ++o.zIndex //TODO: Don't modify option 722 } ); 723 724 this.helper 725 .appendTo( "body" ) 726 .disableSelection(); 727 728 } else { 729 this.helper = this.element; 730 } 731 732 }, 733 734 _change: { 735 e: function( event, dx ) { 736 return { width: this.originalSize.width + dx }; 737 }, 738 w: function( event, dx ) { 739 var cs = this.originalSize, sp = this.originalPosition; 740 return { left: sp.left + dx, width: cs.width - dx }; 741 }, 742 n: function( event, dx, dy ) { 743 var cs = this.originalSize, sp = this.originalPosition; 744 return { top: sp.top + dy, height: cs.height - dy }; 745 }, 746 s: function( event, dx, dy ) { 747 return { height: this.originalSize.height + dy }; 748 }, 749 se: function( event, dx, dy ) { 750 return $.extend( this._change.s.apply( this, arguments ), 751 this._change.e.apply( this, [ event, dx, dy ] ) ); 752 }, 753 sw: function( event, dx, dy ) { 754 return $.extend( this._change.s.apply( this, arguments ), 755 this._change.w.apply( this, [ event, dx, dy ] ) ); 756 }, 757 ne: function( event, dx, dy ) { 758 return $.extend( this._change.n.apply( this, arguments ), 759 this._change.e.apply( this, [ event, dx, dy ] ) ); 760 }, 761 nw: function( event, dx, dy ) { 762 return $.extend( this._change.n.apply( this, arguments ), 763 this._change.w.apply( this, [ event, dx, dy ] ) ); 764 } 765 }, 766 767 _propagate: function( n, event ) { 768 $.ui.plugin.call( this, n, [ event, this.ui() ] ); 769 ( n !== "resize" && this._trigger( n, event, this.ui() ) ); 770 }, 771 772 plugins: {}, 773 774 ui: function() { 775 return { 776 originalElement: this.originalElement, 777 element: this.element, 778 helper: this.helper, 779 position: this.position, 780 size: this.size, 781 originalSize: this.originalSize, 782 originalPosition: this.originalPosition 783 }; 784 } 785 786 } ); 787 788 /* 789 * Resizable Extensions 790 */ 791 792 $.ui.plugin.add( "resizable", "animate", { 793 794 stop: function( event ) { 795 var that = $( this ).resizable( "instance" ), 796 o = that.options, 797 pr = that._proportionallyResizeElements, 798 ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ), 799 soffseth = ista && that._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height, 800 soffsetw = ista ? 0 : that.sizeDiff.width, 801 style = { 802 width: ( that.size.width - soffsetw ), 803 height: ( that.size.height - soffseth ) 804 }, 805 left = ( parseFloat( that.element.css( "left" ) ) + 806 ( that.position.left - that.originalPosition.left ) ) || null, 807 top = ( parseFloat( that.element.css( "top" ) ) + 808 ( that.position.top - that.originalPosition.top ) ) || null; 809 810 that.element.animate( 811 $.extend( style, top && left ? { top: top, left: left } : {} ), { 812 duration: o.animateDuration, 813 easing: o.animateEasing, 814 step: function() { 815 816 var data = { 817 width: parseFloat( that.element.css( "width" ) ), 818 height: parseFloat( that.element.css( "height" ) ), 819 top: parseFloat( that.element.css( "top" ) ), 820 left: parseFloat( that.element.css( "left" ) ) 821 }; 822 823 if ( pr && pr.length ) { 824 $( pr[ 0 ] ).css( { width: data.width, height: data.height } ); 825 } 826 827 // Propagating resize, and updating values for each animation step 828 that._updateCache( data ); 829 that._propagate( "resize", event ); 830 831 } 832 } 833 ); 834 } 835 836 } ); 837 838 $.ui.plugin.add( "resizable", "containment", { 839 840 start: function() { 841 var element, p, co, ch, cw, width, height, 842 that = $( this ).resizable( "instance" ), 843 o = that.options, 844 el = that.element, 845 oc = o.containment, 846 ce = ( oc instanceof $ ) ? 847 oc.get( 0 ) : 848 ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc; 849 850 if ( !ce ) { 851 return; 852 } 853 854 that.containerElement = $( ce ); 855 856 if ( /document/.test( oc ) || oc === document ) { 857 that.containerOffset = { 858 left: 0, 859 top: 0 860 }; 861 that.containerPosition = { 862 left: 0, 863 top: 0 864 }; 865 866 that.parentData = { 867 element: $( document ), 868 left: 0, 869 top: 0, 870 width: $( document ).width(), 871 height: $( document ).height() || document.body.parentNode.scrollHeight 872 }; 873 } else { 874 element = $( ce ); 875 p = []; 876 $( [ "Top", "Right", "Left", "Bottom" ] ).each( function( i, name ) { 877 p[ i ] = that._num( element.css( "padding" + name ) ); 878 } ); 879 880 that.containerOffset = element.offset(); 881 that.containerPosition = element.position(); 882 that.containerSize = { 883 height: ( element.innerHeight() - p[ 3 ] ), 884 width: ( element.innerWidth() - p[ 1 ] ) 885 }; 886 887 co = that.containerOffset; 888 ch = that.containerSize.height; 889 cw = that.containerSize.width; 890 width = ( that._hasScroll ( ce, "left" ) ? ce.scrollWidth : cw ); 891 height = ( that._hasScroll ( ce ) ? ce.scrollHeight : ch ) ; 892 893 that.parentData = { 894 element: ce, 895 left: co.left, 896 top: co.top, 897 width: width, 898 height: height 899 }; 900 } 901 }, 902 903 resize: function( event ) { 904 var woset, hoset, isParent, isOffsetRelative, 905 that = $( this ).resizable( "instance" ), 906 o = that.options, 907 co = that.containerOffset, 908 cp = that.position, 909 pRatio = that._aspectRatio || event.shiftKey, 910 cop = { 911 top: 0, 912 left: 0 913 }, 914 ce = that.containerElement, 915 continueResize = true; 916 917 if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) { 918 cop = co; 919 } 920 921 if ( cp.left < ( that._helper ? co.left : 0 ) ) { 922 that.size.width = that.size.width + 923 ( that._helper ? 924 ( that.position.left - co.left ) : 925 ( that.position.left - cop.left ) ); 926 927 if ( pRatio ) { 928 that.size.height = that.size.width / that.aspectRatio; 929 continueResize = false; 930 } 931 that.position.left = o.helper ? co.left : 0; 932 } 933 934 if ( cp.top < ( that._helper ? co.top : 0 ) ) { 935 that.size.height = that.size.height + 936 ( that._helper ? 937 ( that.position.top - co.top ) : 938 that.position.top ); 939 940 if ( pRatio ) { 941 that.size.width = that.size.height * that.aspectRatio; 942 continueResize = false; 943 } 944 that.position.top = that._helper ? co.top : 0; 945 } 946 947 isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 ); 948 isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) ); 949 950 if ( isParent && isOffsetRelative ) { 951 that.offset.left = that.parentData.left + that.position.left; 952 that.offset.top = that.parentData.top + that.position.top; 953 } else { 954 that.offset.left = that.element.offset().left; 955 that.offset.top = that.element.offset().top; 956 } 957 958 woset = Math.abs( that.sizeDiff.width + 959 ( that._helper ? 960 that.offset.left - cop.left : 961 ( that.offset.left - co.left ) ) ); 962 963 hoset = Math.abs( that.sizeDiff.height + 964 ( that._helper ? 965 that.offset.top - cop.top : 966 ( that.offset.top - co.top ) ) ); 967 968 if ( woset + that.size.width >= that.parentData.width ) { 969 that.size.width = that.parentData.width - woset; 970 if ( pRatio ) { 971 that.size.height = that.size.width / that.aspectRatio; 972 continueResize = false; 973 } 974 } 975 976 if ( hoset + that.size.height >= that.parentData.height ) { 977 that.size.height = that.parentData.height - hoset; 978 if ( pRatio ) { 979 that.size.width = that.size.height * that.aspectRatio; 980 continueResize = false; 981 } 982 } 983 984 if ( !continueResize ) { 985 that.position.left = that.prevPosition.left; 986 that.position.top = that.prevPosition.top; 987 that.size.width = that.prevSize.width; 988 that.size.height = that.prevSize.height; 989 } 990 }, 991 992 stop: function() { 993 var that = $( this ).resizable( "instance" ), 994 o = that.options, 995 co = that.containerOffset, 996 cop = that.containerPosition, 997 ce = that.containerElement, 998 helper = $( that.helper ), 999 ho = helper.offset(), 1000 w = helper.outerWidth() - that.sizeDiff.width, 1001 h = helper.outerHeight() - that.sizeDiff.height; 1002 1003 if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) { 1004 $( this ).css( { 1005 left: ho.left - cop.left - co.left, 1006 width: w, 1007 height: h 1008 } ); 1009 } 1010 1011 if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) { 1012 $( this ).css( { 1013 left: ho.left - cop.left - co.left, 1014 width: w, 1015 height: h 1016 } ); 1017 } 1018 } 1019 } ); 1020 1021 $.ui.plugin.add( "resizable", "alsoResize", { 1022 1023 start: function() { 1024 var that = $( this ).resizable( "instance" ), 1025 o = that.options; 1026 1027 $( o.alsoResize ).each( function() { 1028 var el = $( this ); 1029 el.data( "ui-resizable-alsoresize", { 1030 width: parseFloat( el.width() ), height: parseFloat( el.height() ), 1031 left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) ) 1032 } ); 1033 } ); 1034 }, 1035 1036 resize: function( event, ui ) { 1037 var that = $( this ).resizable( "instance" ), 1038 o = that.options, 1039 os = that.originalSize, 1040 op = that.originalPosition, 1041 delta = { 1042 height: ( that.size.height - os.height ) || 0, 1043 width: ( that.size.width - os.width ) || 0, 1044 top: ( that.position.top - op.top ) || 0, 1045 left: ( that.position.left - op.left ) || 0 1046 }; 1047 1048 $( o.alsoResize ).each( function() { 1049 var el = $( this ), start = $( this ).data( "ui-resizable-alsoresize" ), style = {}, 1050 css = el.parents( ui.originalElement[ 0 ] ).length ? 1051 [ "width", "height" ] : 1052 [ "width", "height", "top", "left" ]; 1053 1054 $.each( css, function( i, prop ) { 1055 var sum = ( start[ prop ] || 0 ) + ( delta[ prop ] || 0 ); 1056 if ( sum && sum >= 0 ) { 1057 style[ prop ] = sum || null; 1058 } 1059 } ); 1060 1061 el.css( style ); 1062 } ); 1063 }, 1064 1065 stop: function() { 1066 $( this ).removeData( "ui-resizable-alsoresize" ); 1067 } 1068 } ); 1069 1070 $.ui.plugin.add( "resizable", "ghost", { 1071 1072 start: function() { 1073 1074 var that = $( this ).resizable( "instance" ), cs = that.size; 1075 1076 that.ghost = that.originalElement.clone(); 1077 that.ghost.css( { 1078 opacity: 0.25, 1079 display: "block", 1080 position: "relative", 1081 height: cs.height, 1082 width: cs.width, 1083 margin: 0, 1084 left: 0, 1085 top: 0 1086 } ); 1087 1088 that._addClass( that.ghost, "ui-resizable-ghost" ); 1089 1090 // DEPRECATED 1091 // TODO: remove after 1.12 1092 if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) { 1093 1094 // Ghost option 1095 that.ghost.addClass( this.options.ghost ); 1096 } 1097 1098 that.ghost.appendTo( that.helper ); 1099 1100 }, 1101 1102 resize: function() { 1103 var that = $( this ).resizable( "instance" ); 1104 if ( that.ghost ) { 1105 that.ghost.css( { 1106 position: "relative", 1107 height: that.size.height, 1108 width: that.size.width 1109 } ); 1110 } 1111 }, 1112 1113 stop: function() { 1114 var that = $( this ).resizable( "instance" ); 1115 if ( that.ghost && that.helper ) { 1116 that.helper.get( 0 ).removeChild( that.ghost.get( 0 ) ); 1117 } 1118 } 1119 1120 } ); 1121 1122 $.ui.plugin.add( "resizable", "grid", { 1123 1124 resize: function() { 1125 var outerDimensions, 1126 that = $( this ).resizable( "instance" ), 1127 o = that.options, 1128 cs = that.size, 1129 os = that.originalSize, 1130 op = that.originalPosition, 1131 a = that.axis, 1132 grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid, 1133 gridX = ( grid[ 0 ] || 1 ), 1134 gridY = ( grid[ 1 ] || 1 ), 1135 ox = Math.round( ( cs.width - os.width ) / gridX ) * gridX, 1136 oy = Math.round( ( cs.height - os.height ) / gridY ) * gridY, 1137 newWidth = os.width + ox, 1138 newHeight = os.height + oy, 1139 isMaxWidth = o.maxWidth && ( o.maxWidth < newWidth ), 1140 isMaxHeight = o.maxHeight && ( o.maxHeight < newHeight ), 1141 isMinWidth = o.minWidth && ( o.minWidth > newWidth ), 1142 isMinHeight = o.minHeight && ( o.minHeight > newHeight ); 1143 1144 o.grid = grid; 1145 1146 if ( isMinWidth ) { 1147 newWidth += gridX; 1148 } 1149 if ( isMinHeight ) { 1150 newHeight += gridY; 1151 } 1152 if ( isMaxWidth ) { 1153 newWidth -= gridX; 1154 } 1155 if ( isMaxHeight ) { 1156 newHeight -= gridY; 1157 } 1158 1159 if ( /^(se|s|e)$/.test( a ) ) { 1160 that.size.width = newWidth; 1161 that.size.height = newHeight; 1162 } else if ( /^(ne)$/.test( a ) ) { 1163 that.size.width = newWidth; 1164 that.size.height = newHeight; 1165 that.position.top = op.top - oy; 1166 } else if ( /^(sw)$/.test( a ) ) { 1167 that.size.width = newWidth; 1168 that.size.height = newHeight; 1169 that.position.left = op.left - ox; 1170 } else { 1171 if ( newHeight - gridY <= 0 || newWidth - gridX <= 0 ) { 1172 outerDimensions = that._getPaddingPlusBorderDimensions( this ); 1173 } 1174 1175 if ( newHeight - gridY > 0 ) { 1176 that.size.height = newHeight; 1177 that.position.top = op.top - oy; 1178 } else { 1179 newHeight = gridY - outerDimensions.height; 1180 that.size.height = newHeight; 1181 that.position.top = op.top + os.height - newHeight; 1182 } 1183 if ( newWidth - gridX > 0 ) { 1184 that.size.width = newWidth; 1185 that.position.left = op.left - ox; 1186 } else { 1187 newWidth = gridX - outerDimensions.width; 1188 that.size.width = newWidth; 1189 that.position.left = op.left + os.width - newWidth; 1190 } 1191 } 1192 } 1193 1194 } ); 1195 1196 return $.ui.resizable; 1197 1198 } ) );
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