diff options
Diffstat (limited to 'vendors/jquery/jquery.imgareaselect-0.9.8/scripts/jquery.imgareaselect.js')
| -rw-r--r-- | vendors/jquery/jquery.imgareaselect-0.9.8/scripts/jquery.imgareaselect.js | 724 |
1 files changed, 724 insertions, 0 deletions
diff --git a/vendors/jquery/jquery.imgareaselect-0.9.8/scripts/jquery.imgareaselect.js b/vendors/jquery/jquery.imgareaselect-0.9.8/scripts/jquery.imgareaselect.js new file mode 100644 index 000000000..ed27299f6 --- /dev/null +++ b/vendors/jquery/jquery.imgareaselect-0.9.8/scripts/jquery.imgareaselect.js @@ -0,0 +1,724 @@ +/* + * imgAreaSelect jQuery plugin + * version 0.9.8 + * + * Copyright (c) 2008-2011 Michal Wojciechowski (odyniec.net) + * + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://odyniec.net/projects/imgareaselect/ + * + */ + +(function($) { + +var abs = Math.abs, + max = Math.max, + min = Math.min, + round = Math.round; + +function div() { + return $('<div/>'); +} + +$.imgAreaSelect = function (img, options) { + var + + $img = $(img), + + imgLoaded, + + $box = div(), + $area = div(), + $border = div().add(div()).add(div()).add(div()), + $outer = div().add(div()).add(div()).add(div()), + $handles = $([]), + + $areaOpera, + + left, top, + + imgOfs = { left: 0, top: 0 }, + + imgWidth, imgHeight, + + $parent, + + parOfs = { left: 0, top: 0 }, + + zIndex = 0, + + position = 'absolute', + + startX, startY, + + scaleX, scaleY, + + resize, + + minWidth, minHeight, maxWidth, maxHeight, + + aspectRatio, + + shown, + + x1, y1, x2, y2, + + selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 }, + + docElem = document.documentElement, + + $p, d, i, o, w, h, adjusted; + + function viewX(x) { + return x + imgOfs.left - parOfs.left; + } + + function viewY(y) { + return y + imgOfs.top - parOfs.top; + } + + function selX(x) { + return x - imgOfs.left + parOfs.left; + } + + function selY(y) { + return y - imgOfs.top + parOfs.top; + } + + function evX(event) { + return event.pageX - parOfs.left; + } + + function evY(event) { + return event.pageY - parOfs.top; + } + + function getSelection(noScale) { + var sx = noScale || scaleX, sy = noScale || scaleY; + + return { x1: round(selection.x1 * sx), + y1: round(selection.y1 * sy), + x2: round(selection.x2 * sx), + y2: round(selection.y2 * sy), + width: round(selection.x2 * sx) - round(selection.x1 * sx), + height: round(selection.y2 * sy) - round(selection.y1 * sy) }; + } + + function setSelection(x1, y1, x2, y2, noScale) { + var sx = noScale || scaleX, sy = noScale || scaleY; + + selection = { + x1: round(x1 / sx || 0), + y1: round(y1 / sy || 0), + x2: round(x2 / sx || 0), + y2: round(y2 / sy || 0) + }; + + selection.width = selection.x2 - selection.x1; + selection.height = selection.y2 - selection.y1; + } + + function adjust() { + if (!$img.width()) + return; + + imgOfs = { left: round($img.offset().left), top: round($img.offset().top) }; + + imgWidth = $img.innerWidth(); + imgHeight = $img.innerHeight(); + + imgOfs.top += ($img.outerHeight() - imgHeight) >> 1; + imgOfs.left += ($img.outerWidth() - imgWidth) >> 1; + + minWidth = round(options.minWidth / scaleX) || 0; + minHeight = round(options.minHeight / scaleY) || 0; + maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth)); + maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight)); + + if ($().jquery == '1.3.2' && position == 'fixed' && + !docElem['getBoundingClientRect']) + { + imgOfs.top += max(document.body.scrollTop, docElem.scrollTop); + imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft); + } + + parOfs = /absolute|relative/.test($parent.css('position')) ? + { left: round($parent.offset().left) - $parent.scrollLeft(), + top: round($parent.offset().top) - $parent.scrollTop() } : + position == 'fixed' ? + { left: $(document).scrollLeft(), top: $(document).scrollTop() } : + { left: 0, top: 0 }; + + left = viewX(0); + top = viewY(0); + + if (selection.x2 > imgWidth || selection.y2 > imgHeight) + doResize(); + } + + function update(resetKeyPress) { + if (!shown) return; + + $box.css({ left: viewX(selection.x1), top: viewY(selection.y1) }) + .add($area).width(w = selection.width).height(h = selection.height); + + $area.add($border).add($handles).css({ left: 0, top: 0 }); + + $border + .width(max(w - $border.outerWidth() + $border.innerWidth(), 0)) + .height(max(h - $border.outerHeight() + $border.innerHeight(), 0)); + + $($outer[0]).css({ left: left, top: top, + width: selection.x1, height: imgHeight }); + $($outer[1]).css({ left: left + selection.x1, top: top, + width: w, height: selection.y1 }); + $($outer[2]).css({ left: left + selection.x2, top: top, + width: imgWidth - selection.x2, height: imgHeight }); + $($outer[3]).css({ left: left + selection.x1, top: top + selection.y2, + width: w, height: imgHeight - selection.y2 }); + + w -= $handles.outerWidth(); + h -= $handles.outerHeight(); + + switch ($handles.length) { + case 8: + $($handles[4]).css({ left: w >> 1 }); + $($handles[5]).css({ left: w, top: h >> 1 }); + $($handles[6]).css({ left: w >> 1, top: h }); + $($handles[7]).css({ top: h >> 1 }); + case 4: + $handles.slice(1,3).css({ left: w }); + $handles.slice(2,4).css({ top: h }); + } + + if (resetKeyPress !== false) { + if ($.imgAreaSelect.keyPress != docKeyPress) + $(document).unbind($.imgAreaSelect.keyPress, + $.imgAreaSelect.onKeyPress); + + if (options.keys) + $(document)[$.imgAreaSelect.keyPress]( + $.imgAreaSelect.onKeyPress = docKeyPress); + } + + if ($.browser.msie && $border.outerWidth() - $border.innerWidth() == 2) { + $border.css('margin', 0); + setTimeout(function () { $border.css('margin', 'auto'); }, 0); + } + } + + function doUpdate(resetKeyPress) { + adjust(); + update(resetKeyPress); + x1 = viewX(selection.x1); y1 = viewY(selection.y1); + x2 = viewX(selection.x2); y2 = viewY(selection.y2); + } + + function hide($elem, fn) { + options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide(); + + } + + function areaMouseMove(event) { + var x = selX(evX(event)) - selection.x1, + y = selY(evY(event)) - selection.y1; + + if (!adjusted) { + adjust(); + adjusted = true; + + $box.one('mouseout', function () { adjusted = false; }); + } + + resize = ''; + + if (options.resizable) { + if (y <= options.resizeMargin) + resize = 'n'; + else if (y >= selection.height - options.resizeMargin) + resize = 's'; + if (x <= options.resizeMargin) + resize += 'w'; + else if (x >= selection.width - options.resizeMargin) + resize += 'e'; + } + + $box.css('cursor', resize ? resize + '-resize' : + options.movable ? 'move' : ''); + if ($areaOpera) + $areaOpera.toggle(); + } + + function docMouseUp(event) { + $('body').css('cursor', ''); + if (options.autoHide || selection.width * selection.height == 0) + hide($box.add($outer), function () { $(this).hide(); }); + + $(document).unbind('mousemove', selectingMouseMove); + $box.mousemove(areaMouseMove); + + options.onSelectEnd(img, getSelection()); + } + + function areaMouseDown(event) { + if (event.which != 1) return false; + + adjust(); + + if (resize) { + $('body').css('cursor', resize + '-resize'); + + x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']); + y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']); + + $(document).mousemove(selectingMouseMove) + .one('mouseup', docMouseUp); + $box.unbind('mousemove', areaMouseMove); + } + else if (options.movable) { + startX = left + selection.x1 - evX(event); + startY = top + selection.y1 - evY(event); + + $box.unbind('mousemove', areaMouseMove); + + $(document).mousemove(movingMouseMove) + .one('mouseup', function () { + options.onSelectEnd(img, getSelection()); + + $(document).unbind('mousemove', movingMouseMove); + $box.mousemove(areaMouseMove); + }); + } + else + $img.mousedown(event); + + return false; + } + + function fixAspectRatio(xFirst) { + if (aspectRatio) + if (xFirst) { + x2 = max(left, min(left + imgWidth, + x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))); + + y2 = round(max(top, min(top + imgHeight, + y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)))); + x2 = round(x2); + } + else { + y2 = max(top, min(top + imgHeight, + y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))); + x2 = round(max(left, min(left + imgWidth, + x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)))); + y2 = round(y2); + } + } + + function doResize() { + x1 = min(x1, left + imgWidth); + y1 = min(y1, top + imgHeight); + + if (abs(x2 - x1) < minWidth) { + x2 = x1 - minWidth * (x2 < x1 || -1); + + if (x2 < left) + x1 = left + minWidth; + else if (x2 > left + imgWidth) + x1 = left + imgWidth - minWidth; + } + + if (abs(y2 - y1) < minHeight) { + y2 = y1 - minHeight * (y2 < y1 || -1); + + if (y2 < top) + y1 = top + minHeight; + else if (y2 > top + imgHeight) + y1 = top + imgHeight - minHeight; + } + + x2 = max(left, min(x2, left + imgWidth)); + y2 = max(top, min(y2, top + imgHeight)); + + fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio); + + if (abs(x2 - x1) > maxWidth) { + x2 = x1 - maxWidth * (x2 < x1 || -1); + fixAspectRatio(); + } + + if (abs(y2 - y1) > maxHeight) { + y2 = y1 - maxHeight * (y2 < y1 || -1); + fixAspectRatio(true); + } + + selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)), + y1: selY(min(y1, y2)), y2: selY(max(y1, y2)), + width: abs(x2 - x1), height: abs(y2 - y1) }; + + update(); + + options.onSelectChange(img, getSelection()); + } + + function selectingMouseMove(event) { + x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2); + y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2); + + doResize(); + + return false; + + } + + function doMove(newX1, newY1) { + x2 = (x1 = newX1) + selection.width; + y2 = (y1 = newY1) + selection.height; + + $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2), + y2: selY(y2) }); + + update(); + + options.onSelectChange(img, getSelection()); + } + + function movingMouseMove(event) { + x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width)); + y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height)); + + doMove(x1, y1); + + event.preventDefault(); + + return false; + } + + function startSelection() { + $(document).unbind('mousemove', startSelection); + adjust(); + + x2 = x1; + y2 = y1; + + doResize(); + + resize = ''; + + if (!$outer.is(':visible')) + $box.add($outer).hide().fadeIn(options.fadeSpeed||0); + + shown = true; + + $(document).unbind('mouseup', cancelSelection) + .mousemove(selectingMouseMove).one('mouseup', docMouseUp); + $box.unbind('mousemove', areaMouseMove); + + options.onSelectStart(img, getSelection()); + } + + function cancelSelection() { + $(document).unbind('mousemove', startSelection) + .unbind('mouseup', cancelSelection); + hide($box.add($outer)); + + setSelection(selX(x1), selY(y1), selX(x1), selY(y1)); + + if (!this instanceof $.imgAreaSelect) { + options.onSelectChange(img, getSelection()); + options.onSelectEnd(img, getSelection()); + } + } + + function imgMouseDown(event) { + if (event.which != 1 || $outer.is(':animated')) return false; + + adjust(); + startX = x1 = evX(event); + startY = y1 = evY(event); + + $(document).mousemove(startSelection).mouseup(cancelSelection); + + return false; + } + + function windowResize() { + doUpdate(false); + } + + function imgLoad() { + imgLoaded = true; + + setOptions(options = $.extend({ + classPrefix: 'imgareaselect', + movable: true, + parent: 'body', + resizable: true, + resizeMargin: 10, + onInit: function () {}, + onSelectStart: function () {}, + onSelectChange: function () {}, + onSelectEnd: function () {} + }, options)); + + $box.add($outer).css({ visibility: '' }); + + if (options.show) { + shown = true; + adjust(); + update(); + $box.add($outer).hide().fadeIn(options.fadeSpeed||0); + } + + setTimeout(function () { options.onInit(img, getSelection()); }, 0); + } + + var docKeyPress = function(event) { + var k = options.keys, d, t, key = event.keyCode; + + d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt : + !isNaN(k.ctrl) && event.ctrlKey ? k.ctrl : + !isNaN(k.shift) && event.shiftKey ? k.shift : + !isNaN(k.arrows) ? k.arrows : 10; + + 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 = max(x1, x2); + x1 = min(x1, x2); + x2 = max(t + d, x1); + fixAspectRatio(); + break; + case 38: + d = -d; + case 40: + t = max(y1, y2); + y1 = min(y1, y2); + y2 = max(t + d, y1); + fixAspectRatio(true); + break; + default: + return; + } + + doResize(); + } + else { + x1 = min(x1, x2); + y1 = min(y1, y2); + + switch (key) { + case 37: + doMove(max(x1 - d, left), y1); + break; + case 38: + doMove(x1, max(y1 - d, top)); + break; + case 39: + doMove(x1 + min(d, imgWidth - selX(x2)), y1); + break; + case 40: + doMove(x1, y1 + min(d, imgHeight - selY(y2))); + break; + default: + return; + } + } + + return false; + }; + + function styleOptions($elem, props) { + for (option in props) + if (options[option] !== undefined) + $elem.css(props[option], options[option]); + } + + function setOptions(newOptions) { + if (newOptions.parent) + ($parent = $(newOptions.parent)).append($box.add($outer)); + + $.extend(options, newOptions); + + adjust(); + + if (newOptions.handles != null) { + $handles.remove(); + $handles = $([]); + + i = newOptions.handles ? newOptions.handles == 'corners' ? 4 : 8 : 0; + + while (i--) + $handles = $handles.add(div()); + + $handles.addClass(options.classPrefix + '-handle').css({ + position: 'absolute', + fontSize: 0, + zIndex: zIndex + 1 || 1 + }); + + if (!parseInt($handles.css('width')) >= 0) + $handles.width(5).height(5); + + if (o = options.borderWidth) + $handles.css({ borderWidth: o, borderStyle: 'solid' }); + + styleOptions($handles, { borderColor1: 'border-color', + borderColor2: 'background-color', + borderOpacity: 'opacity' }); + } + + scaleX = options.imageWidth / imgWidth || 1; + scaleY = options.imageHeight / imgHeight || 1; + + if (newOptions.x1 != null) { + setSelection(newOptions.x1, newOptions.y1, newOptions.x2, + newOptions.y2); + newOptions.show = !newOptions.hide; + } + + if (newOptions.keys) + options.keys = $.extend({ shift: 1, ctrl: 'resize' }, + newOptions.keys); + + $outer.addClass(options.classPrefix + '-outer'); + $area.addClass(options.classPrefix + '-selection'); + for (i = 0; i++ < 4;) + $($border[i-1]).addClass(options.classPrefix + '-border' + i); + + styleOptions($area, { selectionColor: 'background-color', + selectionOpacity: 'opacity' }); + styleOptions($border, { borderOpacity: 'opacity', + borderWidth: 'border-width' }); + styleOptions($outer, { outerColor: 'background-color', + outerOpacity: 'opacity' }); + if (o = options.borderColor1) + $($border[0]).css({ borderStyle: 'solid', borderColor: o }); + if (o = options.borderColor2) + $($border[1]).css({ borderStyle: 'dashed', borderColor: o }); + + $box.append($area.add($border).add($areaOpera).add($handles)); + + if ($.browser.msie) { + if (o = $outer.css('filter').match(/opacity=(\d+)/)) + $outer.css('opacity', o[1]/100); + if (o = $border.css('filter').match(/opacity=(\d+)/)) + $border.css('opacity', o[1]/100); + } + + if (newOptions.hide) + hide($box.add($outer)); + else if (newOptions.show && imgLoaded) { + shown = true; + $box.add($outer).fadeIn(options.fadeSpeed||0); + doUpdate(); + } + + aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1]; + + $img.add($outer).unbind('mousedown', imgMouseDown); + + if (options.disable || options.enable === false) { + $box.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown); + $(window).unbind('resize', windowResize); + } + else { + if (options.enable || options.disable === false) { + if (options.resizable || options.movable) + $box.mousemove(areaMouseMove).mousedown(areaMouseDown); + + $(window).resize(windowResize); + } + + if (!options.persistent) + $img.add($outer).mousedown(imgMouseDown); + } + + options.enable = options.disable = undefined; + } + + this.remove = function () { + setOptions({ disable: true }); + $box.add($outer).remove(); + }; + + this.getOptions = function () { return options; }; + + this.setOptions = setOptions; + + this.getSelection = getSelection; + + this.setSelection = setSelection; + + this.cancelSelection = cancelSelection; + + this.update = doUpdate; + + $p = $img; + + while ($p.length) { + zIndex = max(zIndex, + !isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex); + if ($p.css('position') == 'fixed') + position = 'fixed'; + + $p = $p.parent(':not(body)'); + } + + zIndex = options.zIndex || zIndex; + + if ($.browser.msie) + $img.attr('unselectable', 'on'); + + $.imgAreaSelect.keyPress = $.browser.msie || + $.browser.safari ? 'keydown' : 'keypress'; + + if ($.browser.opera) + $areaOpera = div().css({ width: '100%', height: '100%', + position: 'absolute', zIndex: zIndex + 2 || 2 }); + + $box.add($outer).css({ visibility: 'hidden', position: position, + overflow: 'hidden', zIndex: zIndex || '0' }); + $box.css({ zIndex: zIndex + 2 || 2 }); + $area.add($border).css({ position: 'absolute', fontSize: 0 }); + + img.complete || img.readyState == 'complete' || !$img.is('img') ? + imgLoad() : $img.one('load', imgLoad); + + if ($.browser.msie && $.browser.version >= 7) + img.src = img.src; +}; + +$.fn.imgAreaSelect = function (options) { + options = options || {}; + + this.each(function () { + if ($(this).data('imgAreaSelect')) { + if (options.remove) { + $(this).data('imgAreaSelect').remove(); + $(this).removeData('imgAreaSelect'); + } + else + $(this).data('imgAreaSelect').setOptions(options); + } + else if (!options.remove) { + if (options.enable === undefined && options.disable === undefined) + options.enable = true; + + $(this).data('imgAreaSelect', new $.imgAreaSelect(this, options)); + } + }); + + if (options.instance) + return $(this).data('imgAreaSelect'); + + return this; +}; + +})(jQuery); |