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Diffstat (limited to 'vendors/jquery.imgareaselect-0.7.js')
| -rw-r--r-- | vendors/jquery.imgareaselect-0.7.js | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/vendors/jquery.imgareaselect-0.7.js b/vendors/jquery.imgareaselect-0.7.js new file mode 100644 index 000000000..a60edf79b --- /dev/null +++ b/vendors/jquery.imgareaselect-0.7.js @@ -0,0 +1,614 @@ +/* + * imgAreaSelect jQuery plugin + * version 0.7 + * + * Copyright (c) 2008-2009 Michal Wojciechowski (odyniec.net) + * + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://odyniec.net/projects/imgareaselect/ + * + */ + +jQuery.imgAreaSelect = { onKeyPress: null }; + +jQuery.imgAreaSelect.init = function (img, options) { + var $img = jQuery(img), $area = jQuery('<div />'), + $border1 = jQuery('<div />'), $border2 = jQuery('<div />'), + $areaOver = jQuery('<div />'), $areaOver2, + $outLeft = jQuery('<div />'), $outTop = jQuery('<div />'), + $outRight = jQuery('<div />'), $outBottom = jQuery('<div />'), + $handles, handleWidth, handles = [ ], + left, top, imgOfs, imgWidth, imgHeight, parent, parOfs, parScroll, + zIndex = 0, position = 'absolute', $p, startX, startY, moveX, moveY, + resizeMargin = 10, resize = [ ], V = 0, H = 1, + keyDown, d, aspectRatio, x1, x2, y1, y2, x, y, adjusted, + selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 }; + + var $a = $area.add($border1).add($border2).add($areaOver); + var $o = $outLeft.add($outTop).add($outRight).add($outBottom); + + function viewX(x) + { + return x + imgOfs.left + parScroll.left - parOfs.left; + } + + function viewY(y) + { + return y + imgOfs.top + parScroll.top - parOfs.top; + } + + function selX(x) + { + return x - imgOfs.left - parScroll.left + parOfs.left; + } + + function selY(y) + { + return y - imgOfs.top - parScroll.top + parOfs.top; + } + + function evX(event) + { + return event.pageX + parScroll.left - parOfs.left; + } + + function evY(event) + { + return event.pageY + parScroll.top - parOfs.top; + } + + function getZIndex() + { + $p = $img; + + while ($p.length && !$p.is('body')) { + if (!isNaN($p.css('z-index')) && $p.css('z-index') > zIndex) + zIndex = $p.css('z-index'); + if ($p.css('position') == 'fixed') + position = 'fixed'; + + $p = $p.parent(); + } + } + + function adjust() + { + imgOfs = $img.offset(); + imgOfs.left = parseInt(imgOfs.left); + imgOfs.top = parseInt(imgOfs.top); + imgWidth = $img.width(); + imgHeight = $img.height(); + + if (jQuery(parent).is('body')) + parOfs = parScroll = { left: 0, top: 0 }; + else { + parOfs = jQuery(parent).offset(); + parScroll = { left: parent.scrollLeft, top: parent.scrollTop }; + } + + left = viewX(0); + top = viewY(0); + } + + function update(resetKeyPress) + { + $a.css({ + left: viewX(selection.x1) + 'px', + top: viewY(selection.y1) + 'px', + width: Math.max(selection.width - options.borderWidth * 2, 0) + 'px', + height: Math.max(selection.height - options.borderWidth * 2, 0) + 'px' + }); + $areaOver.css({ width: selection.width + 'px', height: selection.height + 'px' }); + $outLeft.css({ left: left + 'px', top: top + 'px', + width: selection.x1 + 'px', height: imgHeight + 'px' }); + $outTop.css({ left: left + selection.x1 + 'px', top: top + 'px', + width: selection.width + 'px', height: selection.y1 + 'px' }); + $outRight.css({ left: left + selection.x2 + 'px', top: top + 'px', + width: imgWidth - selection.x2 + 'px', height: imgHeight + 'px' }); + $outBottom.css({ left: left + selection.x1 + 'px', top: top + selection.y2 + 'px', + width: selection.width + 'px', height: imgHeight - selection.y2 + 'px' }); + + if ($handles) { + handles[0].css({ left: viewX(selection.x1) + 'px', + top: viewY(selection.y1) + 'px' }); + handles[1].css({ left: viewX(selection.x2 - handleWidth) + 'px', + top: viewY(selection.y1) + 'px' }); + handles[2].css({ left: viewX(selection.x1) + 'px', + top: viewY(selection.y2 - handleWidth) + 'px' }); + handles[3].css({ left: viewX(selection.x2 - handleWidth) + 'px', + top: viewY(selection.y2 - handleWidth) + 'px' }); + + if (handles.length == 8) { + handles[4].css({ left: viewX(selection.x1 + (selection.width - + handleWidth) / 2) + 'px', top: viewY(selection.y1) + 'px' }); + handles[5].css({ left: viewX(selection.x1) + 'px', top: + viewY(selection.y1 + (selection.height - handleWidth) / 2) + 'px' }); + handles[6].css({ left: viewX(selection.x1 + (selection.width - handleWidth) + / 2) + 'px', top: viewY(selection.y2 - handleWidth) + 'px' }); + handles[7].css({ left: viewX(selection.x2 - handleWidth) + 'px', top: + viewY(selection.y1 + (selection.height - handleWidth) / 2) + 'px' }); + } + + for (var i = 0; i < handles.length; i++) { + if (selX(parseInt(handles[i].css('left'))) < 0) + handles[i].css('left', viewX(0) + 'px'); + if (selX(parseInt(handles[i].css('left'))) > imgWidth - handleWidth) + handles[i].css('left', viewX(imgWidth - handleWidth) + 'px'); + if (selY(parseInt(handles[i].css('top'))) < 0) + handles[i].css('top', viewY(0) + 'px'); + if (selY(parseInt(handles[i].css('top'))) > imgHeight - handleWidth) + handles[i].css('top', viewY(imgHeight - handleWidth) + 'px'); + } + } + + if (resetKeyPress !== false) { + if (jQuery.imgAreaSelect.keyPress != docKeyPress) + jQuery(document).unbind(jQuery.imgAreaSelect.keyPress, + jQuery.imgAreaSelect.onKeyPress); + + if (options.keys) + jQuery(document).bind(jQuery.imgAreaSelect.keyPress, + jQuery.imgAreaSelect.onKeyPress = docKeyPress); + } + } + + function areaMouseMove(event) + { + if (!adjusted) { + adjust(); + adjusted = true; + + $a.one('mouseout', function () { adjusted = false; }); + } + + x = selX(evX(event)) - selection.x1; + y = selY(evY(event)) - selection.y1; + + resize = [ ]; + + if (options.resizable) { + if (y <= resizeMargin) + resize[V] = 'n'; + else if (y >= selection.height - resizeMargin) + resize[V] = 's'; + if (x <= resizeMargin) + resize[H] = 'w'; + else if (x >= selection.width - resizeMargin) + resize[H] = 'e'; + } + + $areaOver.css('cursor', resize.length ? resize.join('') + '-resize' : + options.movable ? 'move' : ''); + if ($areaOver2) + $areaOver2.toggle(); + } + + function areaMouseDown(event) + { + if (event.which != 1) return false; + + adjust(); + + if (options.resizable && resize.length > 0) { + jQuery('body').css('cursor', resize.join('') + '-resize'); + + x1 = viewX(selection[resize[H] == 'w' ? 'x2' : 'x1']); + y1 = viewY(selection[resize[V] == 'n' ? 'y2' : 'y1']); + + jQuery(document).mousemove(selectingMouseMove); + $areaOver.unbind('mousemove', areaMouseMove); + + jQuery(document).one('mouseup', function () { + resize = [ ]; + + jQuery('body').css('cursor', ''); + + if (options.autoHide || selection.width == 0 || selection.height == 0) + $a.add($o).add($handles).hide(); + + options.onSelectEnd(img, selection); + + jQuery(document).unbind('mousemove', selectingMouseMove); + $areaOver.mousemove(areaMouseMove); + }); + } + else if (options.movable) { + moveX = selection.x1 + left; + moveY = selection.y1 + top; + startX = evX(event); + startY = evY(event); + + $areaOver.unbind('mousemove', areaMouseMove); + + jQuery(document).mousemove(movingMouseMove) + .one('mouseup', function () { + options.onSelectEnd(img, selection); + + jQuery(document).unbind('mousemove', movingMouseMove); + $areaOver.mousemove(areaMouseMove); + }); + } + else + $img.mousedown(event); + + return false; + } + + function aspectRatioXY() + { + x2 = Math.max(left, Math.min(left + imgWidth, + x1 + Math.abs(y2 - y1) * aspectRatio * (x2 >= x1 ? 1 : -1))); + y2 = Math.round(Math.max(top, Math.min(top + imgHeight, + y1 + Math.abs(x2 - x1) / aspectRatio * (y2 >= y1 ? 1 : -1)))); + x2 = Math.round(x2); + } + + function aspectRatioYX() + { + y2 = Math.max(top, Math.min(top + imgHeight, + y1 + Math.abs(x2 - x1) / aspectRatio * (y2 >= y1 ? 1 : -1))); + x2 = Math.round(Math.max(left, Math.min(left + imgWidth, + x1 + Math.abs(y2 - y1) * aspectRatio * (x2 >= x1 ? 1 : -1)))); + y2 = Math.round(y2); + } + + function doResize(newX2, newY2) + { + x2 = newX2; + y2 = newY2; + + if (options.minWidth && Math.abs(x2 - x1) < options.minWidth) { + x2 = x1 - options.minWidth * (x2 < x1 ? 1 : -1); + + if (x2 < left) + x1 = left + options.minWidth; + else if (x2 > left + imgWidth) + x1 = left + imgWidth - options.minWidth; + } + + if (options.minHeight && Math.abs(y2 - y1) < options.minHeight) { + y2 = y1 - options.minHeight * (y2 < y1 ? 1 : -1); + + if (y2 < top) + y1 = top + options.minHeight; + else if (y2 > top + imgHeight) + y1 = top + imgHeight - options.minHeight; + } + + x2 = Math.max(left, Math.min(x2, left + imgWidth)); + y2 = Math.max(top, Math.min(y2, top + imgHeight)); + + if (aspectRatio) + if (Math.abs(x2 - x1) / aspectRatio > Math.abs(y2 - y1)) + aspectRatioYX(); + else + aspectRatioXY(); + + if (options.maxWidth && Math.abs(x2 - x1) > options.maxWidth) { + x2 = x1 - options.maxWidth * (x2 < x1 ? 1 : -1); + if (aspectRatio) aspectRatioYX(); + } + + if (options.maxHeight && Math.abs(y2 - y1) > options.maxHeight) { + y2 = y1 - options.maxHeight * (y2 < y1 ? 1 : -1); + if (aspectRatio) aspectRatioXY(); + } + + selection = { x1: selX(Math.min(x1, x2)), x2: selX(Math.max(x1, x2)), + y1: selY(Math.min(y1, y2)), y2: selY(Math.max(y1, y2)), + width: Math.abs(x2 - x1), height: Math.abs(y2 - y1) }; + + update(); + + options.onSelectChange(img, selection); + } + + function selectingMouseMove(event) + { + x2 = !resize.length || resize[H] || aspectRatio ? evX(event) : viewX(selection.x2); + y2 = !resize.length || resize[V] || aspectRatio ? evY(event) : viewY(selection.y2); + + doResize(x2, y2); + + return false; + } + + function doMove(newX1, newY1) + { + x2 = (x1 = newX1) + selection.width; + y2 = (y1 = newY1) + selection.height; + + selection.x1 = selX(x1); + selection.y1 = selY(y1); + selection.x2 = selX(x2); + selection.y2 = selY(y2); + + update(); + + options.onSelectChange(img, selection); + } + + function movingMouseMove(event) + { + var newX1 = Math.max(left, Math.min(moveX + evX(event) - startX, + left + imgWidth - selection.width)); + var newY1 = Math.max(top, Math.min(moveY + evY(event) - startY, + top + imgHeight - selection.height)); + + doMove(newX1, newY1); + + event.preventDefault(); + return false; + } + + function startSelection(event) + { + adjust(); + + selection = { x1: selX(x1), y1: selY(y1) }; + doResize(x1, y1); + + resize = [ ]; + + $a.add($o).add($handles).show(); + + jQuery(document).unbind('mouseup', cancelSelection) + .mousemove(selectingMouseMove); + $areaOver.unbind('mousemove', areaMouseMove); + + options.onSelectStart(img, selection); + + jQuery(document).one('mouseup', function () { + if (options.autoHide || (selection.width * selection.height == 0)) + $a.add($o).add($handles).hide(); + + options.onSelectEnd(img, selection); + + jQuery(document).unbind('mousemove', selectingMouseMove); + $areaOver.mousemove(areaMouseMove); + }); + } + + function cancelSelection() + { + jQuery(document).unbind('mousemove', startSelection); + $a.add($o).add($handles).hide(); + + selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 }; + + options.onSelectChange(img, selection); + options.onSelectEnd(img, selection); + } + + function imgMouseDown(event) + { + if (event.which != 1) return false; + + startX = x1 = evX(event); + startY = y1 = evY(event); + + jQuery(document).one('mousemove', startSelection) + .one('mouseup', cancelSelection); + + return false; + } + + function windowResize() + { + adjust(); + update(false); + x1 = viewX(selection.x1); + y1 = viewY(selection.y1); + x2 = viewX(selection.x2); + y2 = viewY(selection.y2); + } + + var docKeyPress = function(event) { + var k = options.keys, d = 10, t, + key = event.keyCode || event.which; + + if (!isNaN(k.arrows)) d = k.arrows; + if (!isNaN(k.shift) && event.shiftKey) d = k.shift; + if (!isNaN(k.ctrl) && event.ctrlKey) d = k.ctrl; + if (!isNaN(k.alt) && (event.altKey || event.originalEvent.altKey)) d = k.alt; + + if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) || + (k.ctrl == 'resize' && event.ctrlKey) || + (k.alt == 'resize' && (event.altKey || event.originalEvent.altKey))) + { + switch (key) { + case 37: + d = -d; + case 39: + t = Math.max(x1, x2); + x1 = Math.min(x1, x2); + x2 = Math.max(t + d, x1); + if (aspectRatio) aspectRatioYX(); + break; + case 38: + d = -d; + case 40: + t = Math.max(y1, y2); + y1 = Math.min(y1, y2); + y2 = Math.max(t + d, y1); + if (aspectRatio) aspectRatioXY(); + break; + default: + return; + } + + doResize(x2, y2); + } + else { + x1 = Math.min(x1, x2); + y1 = Math.min(y1, y2); + + switch (key) { + case 37: + doMove(Math.max(x1 - d, left), y1); + break; + case 38: + doMove(x1, Math.max(y1 - d, top)); + break; + case 39: + doMove(x1 + Math.min(d, imgWidth - selX(x2)), y1); + break; + case 40: + doMove(x1, y1 + Math.min(d, imgHeight - selY(y2))); + break; + default: + return; + } + } + + return false; + }; + + this.setOptions = function(newOptions) + { + options = jQuery.extend(options, newOptions); + + if (newOptions.x1 != null) { + selection = { x1: newOptions.x1, y1: newOptions.y1, + x2: newOptions.x2, y2: newOptions.y2 }; + newOptions.show = true; + } + + if (newOptions.keys) + options.keys = jQuery.extend({ shift: 1, ctrl: 'resize' }, + newOptions.keys === true ? { } : newOptions.keys); + + parent = jQuery(options.parent).get(0); + + adjust(); + + getZIndex(); + + x1 = viewX(selection.x1); + y1 = viewY(selection.y1); + x2 = viewX(selection.x2); + y2 = viewY(selection.y2); + selection.width = x2 - x1; + selection.height = y2 - y1; + + if ($handles) { + $handles.remove(); + $handles = null; + handles = [ ]; + } + + if (options.handles) { + for (var i = 0; i < (options.handles == 'corners' ? 4 : 8); i++) + $handles = $handles ? $handles.add(handles[i] = jQuery('<div />')) : + handles[i] = jQuery('<div />'); + + handleWidth = 4 + options.borderWidth; + + $handles.css({ position: position, borderWidth: options.borderWidth, + borderStyle: 'solid', borderColor: options.borderColor1, + backgroundColor: options.borderColor2, display: $area.css('display'), + width: handleWidth + 'px', height: handleWidth + 'px', + fontSize: '0px', zIndex: zIndex > 0 ? zIndex + 1 : '1' }); + $handles.addClass(options.classPrefix + '-handle'); + + handleWidth += options.borderWidth * 2; + } + + $o.addClass(options.classPrefix + '-outer'); + $area.addClass(options.classPrefix + '-selection'); + $border1.addClass(options.classPrefix + '-border1'); + $border2.addClass(options.classPrefix + '-border2'); + + $a.css({ borderWidth: options.borderWidth + 'px' }); + $area.css({ backgroundColor: options.selectionColor, opacity: options.selectionOpacity }); + $border1.css({ borderStyle: 'solid', borderColor: options.borderColor1 }); + $border2.css({ borderStyle: 'dashed', borderColor: options.borderColor2 }); + $o.css({ opacity: options.outerOpacity, backgroundColor: options.outerColor }); + + jQuery(options.parent).append($o.add($a).add($handles)); + + update(); + + if (newOptions.hide) + $a.add($o).add($handles).hide(); + else if (newOptions.show) + $a.add($o).add($handles).show(); + + aspectRatio = options.aspectRatio && (d = options.aspectRatio.split(/:/)) ? + d[0] / d[1] : null; + + if (aspectRatio) + if (options.minWidth) + options.minHeight = parseInt(options.minWidth / aspectRatio); + else if (options.minHeight) + options.minWidth = parseInt(options.minHeight * aspectRatio); + + if (options.disable || options.enable === false) { + $areaOver.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown); + $img.add($o).unbind('mousedown', imgMouseDown); + jQuery(window).unbind('resize', windowResize); + } + else if (options.enable || options.disable === false) { + if (options.resizable || options.movable) + $areaOver.mousemove(areaMouseMove).mousedown(areaMouseDown); + + if (!options.persistent) + $img.add($o).mousedown(imgMouseDown); + jQuery(window).resize(windowResize); + } + + options.enable = options.disable = undefined; + }; + + if (jQuery.browser.msie) + $img.attr('unselectable', 'on'); + + jQuery.imgAreaSelect.keyPress = jQuery.browser.msie || + jQuery.browser.safari ? 'keydown' : 'keypress'; + + if (jQuery.browser.opera) + $areaOver.append($areaOver2 = jQuery('<div style="width: 100%; height: 100%;" />')); + + getZIndex(); + + $a.add($o).css({ display: 'none', position: position, + overflow: 'hidden', zIndex: zIndex > 0 ? zIndex : '0' }); + $areaOver.css({ zIndex: zIndex > 0 ? zIndex + 2 : '2' }); + $area.css({ borderStyle: 'solid' }); + + this.setOptions(options = jQuery.extend({ + borderColor1: '#000', + borderColor2: '#fff', + borderWidth: 1, + classPrefix: 'imgareaselect', + movable: true, + resizable: true, + selectionColor: '#fff', + selectionOpacity: 0.2, + outerColor: '#000', + outerOpacity: 0.2, + parent: 'body', + onSelectStart: function () {}, + onSelectChange: function () {}, + onSelectEnd: function () {} + }, options)); +}; + +jQuery.fn.imgAreaSelect = function (options) { + options = options || {}; + + this.each(function () { + if (jQuery(this).data('imgAreaSelect')) + jQuery(this).data('imgAreaSelect').setOptions(options); + else { + if (options.enable === undefined && options.disable === undefined) + options.enable = true; + + jQuery(this).data('imgAreaSelect', new jQuery.imgAreaSelect.init(this, options)); + } + }); + + return this; +}; |