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@@ -0,0 +1,730 @@
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+/*
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+ * imgAreaSelect jQuery plugin
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+ * version 0.9.10
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+ *
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+ * Copyright (c) 2008-2013 Michal Wojciechowski (odyniec.net)
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+ *
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+ * Dual licensed under the MIT (MIT-LICENSE.txt)
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+ * and GPL (GPL-LICENSE.txt) licenses.
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+ *
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+ * http://odyniec.net/projects/imgareaselect/
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+ *
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+ */
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+
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+(function($) {
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+
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+var abs = Math.abs,
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+ max = Math.max,
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+ min = Math.min,
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+ round = Math.round;
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+
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+function div() {
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+ return $('<div/>');
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+}
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+
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+$.imgAreaSelect = function (img, options) {
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+ var
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+
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+ $img = $(img),
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+
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+ imgLoaded,
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+
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+ $box = div(),
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+ $area = div(),
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+ $border = div().add(div()).add(div()).add(div()),
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+ $outer = div().add(div()).add(div()).add(div()),
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+ $handles = $([]),
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+
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+ $areaOpera,
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+
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+ left, top,
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+
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+ imgOfs = { left: 0, top: 0 },
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+
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+ imgWidth, imgHeight,
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+
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+ $parent,
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+
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+ parOfs = { left: 0, top: 0 },
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+
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+ zIndex = 0,
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+
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+ position = 'absolute',
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+
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+ startX, startY,
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+
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+ scaleX, scaleY,
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+
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+ resize,
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+
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+ minWidth, minHeight, maxWidth, maxHeight,
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+
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+ aspectRatio,
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+
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+ shown,
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+
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+ x1, y1, x2, y2,
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+
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+ selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 },
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+
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+ docElem = document.documentElement,
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+
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+ ua = navigator.userAgent,
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+
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+ $p, d, i, o, w, h, adjusted;
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+
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+ function viewX(x) {
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+ return x + imgOfs.left - parOfs.left;
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+ }
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+
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+ function viewY(y) {
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+ return y + imgOfs.top - parOfs.top;
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+ }
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+
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+ function selX(x) {
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+ return x - imgOfs.left + parOfs.left;
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+ }
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+
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+ function selY(y) {
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+ return y - imgOfs.top + parOfs.top;
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+ }
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+
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+ function evX(event) {
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+ return event.pageX - parOfs.left;
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+ }
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+
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+ function evY(event) {
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+ return event.pageY - parOfs.top;
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+ }
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+
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+ function getSelection(noScale) {
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+ var sx = noScale || scaleX, sy = noScale || scaleY;
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+
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+ return { x1: round(selection.x1 * sx),
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+ y1: round(selection.y1 * sy),
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+ x2: round(selection.x2 * sx),
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+ y2: round(selection.y2 * sy),
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+ width: round(selection.x2 * sx) - round(selection.x1 * sx),
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+ height: round(selection.y2 * sy) - round(selection.y1 * sy) };
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+ }
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+
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+ function setSelection(x1, y1, x2, y2, noScale) {
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+ var sx = noScale || scaleX, sy = noScale || scaleY;
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+
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+ selection = {
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+ x1: round(x1 / sx || 0),
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+ y1: round(y1 / sy || 0),
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+ x2: round(x2 / sx || 0),
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+ y2: round(y2 / sy || 0)
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+ };
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+
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+ selection.width = selection.x2 - selection.x1;
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+ selection.height = selection.y2 - selection.y1;
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+ }
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+
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+ function adjust() {
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+ if (!imgLoaded || !$img.width())
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+ return;
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+
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+ imgOfs = { left: round($img.offset().left), top: round($img.offset().top) };
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+
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+ imgWidth = $img.innerWidth();
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+ imgHeight = $img.innerHeight();
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+
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+ imgOfs.top += ($img.outerHeight() - imgHeight) >> 1;
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+ imgOfs.left += ($img.outerWidth() - imgWidth) >> 1;
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+
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+ minWidth = round(options.minWidth / scaleX) || 0;
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+ minHeight = round(options.minHeight / scaleY) || 0;
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+ maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth));
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+ maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight));
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+
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+ if ($().jquery == '1.3.2' && position == 'fixed' &&
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+ !docElem['getBoundingClientRect'])
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+ {
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+ imgOfs.top += max(document.body.scrollTop, docElem.scrollTop);
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+ imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft);
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+ }
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+
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+ parOfs = /absolute|relative/.test($parent.css('position')) ?
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+ { left: round($parent.offset().left) - $parent.scrollLeft(),
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+ top: round($parent.offset().top) - $parent.scrollTop() } :
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+ position == 'fixed' ?
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+ { left: $(document).scrollLeft(), top: $(document).scrollTop() } :
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+ { left: 0, top: 0 };
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+
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+ left = viewX(0);
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+ top = viewY(0);
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+
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+ if (selection.x2 > imgWidth || selection.y2 > imgHeight)
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+ doResize();
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+ }
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+
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+ function update(resetKeyPress) {
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+ if (!shown) return;
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+
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+ $box.css({ left: viewX(selection.x1), top: viewY(selection.y1) })
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+ .add($area).width(w = selection.width).height(h = selection.height);
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+
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+ $area.add($border).add($handles).css({ left: 0, top: 0 });
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+
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+ $border
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+ .width(max(w - $border.outerWidth() + $border.innerWidth(), 0))
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+ .height(max(h - $border.outerHeight() + $border.innerHeight(), 0));
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+
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+ $($outer[0]).css({ left: left, top: top,
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+ width: selection.x1, height: imgHeight });
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+ $($outer[1]).css({ left: left + selection.x1, top: top,
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+ width: w, height: selection.y1 });
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+ $($outer[2]).css({ left: left + selection.x2, top: top,
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+ width: imgWidth - selection.x2, height: imgHeight });
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+ $($outer[3]).css({ left: left + selection.x1, top: top + selection.y2,
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+ width: w, height: imgHeight - selection.y2 });
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+
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+ w -= $handles.outerWidth();
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+ h -= $handles.outerHeight();
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+
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+ switch ($handles.length) {
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+ case 8:
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+ $($handles[4]).css({ left: w >> 1 });
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+ $($handles[5]).css({ left: w, top: h >> 1 });
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+ $($handles[6]).css({ left: w >> 1, top: h });
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+ $($handles[7]).css({ top: h >> 1 });
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+ case 4:
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+ $handles.slice(1,3).css({ left: w });
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+ $handles.slice(2,4).css({ top: h });
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+ }
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+
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+ if (resetKeyPress !== false) {
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+ if ($.imgAreaSelect.onKeyPress != docKeyPress)
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+ $(document).unbind($.imgAreaSelect.keyPress,
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+ $.imgAreaSelect.onKeyPress);
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+
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+ if (options.keys)
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+ $(document)[$.imgAreaSelect.keyPress](
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+ $.imgAreaSelect.onKeyPress = docKeyPress);
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+ }
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+
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+ if (msie && $border.outerWidth() - $border.innerWidth() == 2) {
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+ $border.css('margin', 0);
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+ setTimeout(function () { $border.css('margin', 'auto'); }, 0);
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+ }
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+ }
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+
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+ function doUpdate(resetKeyPress) {
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+ adjust();
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+ update(resetKeyPress);
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+ x1 = viewX(selection.x1); y1 = viewY(selection.y1);
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+ x2 = viewX(selection.x2); y2 = viewY(selection.y2);
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+ }
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+
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+ function hide($elem, fn) {
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+ options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide();
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+
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+ }
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+
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+ function areaMouseMove(event) {
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+ var x = selX(evX(event)) - selection.x1,
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+ y = selY(evY(event)) - selection.y1;
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+
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+ if (!adjusted) {
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+ adjust();
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+ adjusted = true;
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+
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+ $box.one('mouseout', function () { adjusted = false; });
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+ }
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+
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+ resize = '';
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+
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+ if (options.resizable) {
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+ if (y <= options.resizeMargin)
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+ resize = 'n';
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+ else if (y >= selection.height - options.resizeMargin)
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+ resize = 's';
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+ if (x <= options.resizeMargin)
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+ resize += 'w';
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+ else if (x >= selection.width - options.resizeMargin)
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+ resize += 'e';
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+ }
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+
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+ $box.css('cursor', resize ? resize + '-resize' :
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+ options.movable ? 'move' : '');
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+ if ($areaOpera)
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+ $areaOpera.toggle();
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+ }
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+
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+ function docMouseUp(event) {
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+ $('body').css('cursor', '');
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+ if (options.autoHide || selection.width * selection.height == 0)
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+ hide($box.add($outer), function () { $(this).hide(); });
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+
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+ $(document).unbind('mousemove', selectingMouseMove);
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+ $box.mousemove(areaMouseMove);
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+
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+ options.onSelectEnd(img, getSelection());
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+ }
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+
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+ function areaMouseDown(event) {
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+ if (event.which != 1) return false;
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+
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+ adjust();
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+
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+ if (resize) {
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+ $('body').css('cursor', resize + '-resize');
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+
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+ x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']);
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+ y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']);
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+
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+ $(document).mousemove(selectingMouseMove)
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+ .one('mouseup', docMouseUp);
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+ $box.unbind('mousemove', areaMouseMove);
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+ }
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+ else if (options.movable) {
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+ startX = left + selection.x1 - evX(event);
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+ startY = top + selection.y1 - evY(event);
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+
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+ $box.unbind('mousemove', areaMouseMove);
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+
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+ $(document).mousemove(movingMouseMove)
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+ .one('mouseup', function () {
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+ options.onSelectEnd(img, getSelection());
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+
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+ $(document).unbind('mousemove', movingMouseMove);
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+ $box.mousemove(areaMouseMove);
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+ });
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+ }
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+ else
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+ $img.mousedown(event);
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+
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+ return false;
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+ }
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+
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+ function fixAspectRatio(xFirst) {
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+ if (aspectRatio)
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+ if (xFirst) {
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+ x2 = max(left, min(left + imgWidth,
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+ x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
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+
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+ y2 = round(max(top, min(top + imgHeight,
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+ y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
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+ x2 = round(x2);
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+ }
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+ else {
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+ y2 = max(top, min(top + imgHeight,
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+ y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
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+ x2 = round(max(left, min(left + imgWidth,
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+ x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
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+ y2 = round(y2);
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+ }
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+ }
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+
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+ function doResize() {
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+ x1 = min(x1, left + imgWidth);
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+ y1 = min(y1, top + imgHeight);
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+
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+ if (abs(x2 - x1) < minWidth) {
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+ x2 = x1 - minWidth * (x2 < x1 || -1);
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+
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+ if (x2 < left)
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+ x1 = left + minWidth;
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+ else if (x2 > left + imgWidth)
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+ x1 = left + imgWidth - minWidth;
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+ }
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+
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+ if (abs(y2 - y1) < minHeight) {
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+ y2 = y1 - minHeight * (y2 < y1 || -1);
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+
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+ if (y2 < top)
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+ y1 = top + minHeight;
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+ else if (y2 > top + imgHeight)
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+ y1 = top + imgHeight - minHeight;
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+ }
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+
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+ x2 = max(left, min(x2, left + imgWidth));
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+ y2 = max(top, min(y2, top + imgHeight));
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+
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+ fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio);
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+
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+ if (abs(x2 - x1) > maxWidth) {
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+ x2 = x1 - maxWidth * (x2 < x1 || -1);
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+ fixAspectRatio();
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+ }
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+
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+ if (abs(y2 - y1) > maxHeight) {
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+ y2 = y1 - maxHeight * (y2 < y1 || -1);
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+ fixAspectRatio(true);
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+ }
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+
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+ selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)),
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+ y1: selY(min(y1, y2)), y2: selY(max(y1, y2)),
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+ width: abs(x2 - x1), height: abs(y2 - y1) };
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+
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+ update();
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+
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+ options.onSelectChange(img, getSelection());
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+ }
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+
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+ function selectingMouseMove(event) {
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+ x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2);
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+ y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2);
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+
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+ doResize();
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+
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+ return false;
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+
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+ }
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+
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+ function doMove(newX1, newY1) {
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+ x2 = (x1 = newX1) + selection.width;
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+ y2 = (y1 = newY1) + selection.height;
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+
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+ $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2),
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+ y2: selY(y2) });
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+
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+ update();
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+
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+ options.onSelectChange(img, getSelection());
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+ }
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+
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+ function movingMouseMove(event) {
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+ x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width));
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+ y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height));
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+
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+ doMove(x1, y1);
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+
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+ event.preventDefault();
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+
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+ return false;
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+ }
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+
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+ function startSelection() {
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+ $(document).unbind('mousemove', startSelection);
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+ adjust();
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+
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+ x2 = x1;
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+ y2 = y1;
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+
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+ doResize();
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+
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+ resize = '';
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+
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+ if (!$outer.is(':visible'))
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+ $box.add($outer).hide().fadeIn(options.fadeSpeed||0);
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+
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+ shown = true;
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|
|
+
|
|
|
+ $(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 (var 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)).append($handles);
|
|
|
+
|
|
|
+ if (msie) {
|
|
|
+ if (o = ($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;
|
|
|
+
|
|
|
+ var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1],
|
|
|
+ opera = /opera/i.test(ua),
|
|
|
+ safari = /webkit/i.test(ua) && !/chrome/i.test(ua);
|
|
|
+
|
|
|
+ $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 (msie)
|
|
|
+ $img.attr('unselectable', 'on');
|
|
|
+
|
|
|
+ $.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress';
|
|
|
+
|
|
|
+ if (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() : $img.one('load', imgLoad);
|
|
|
+
|
|
|
+ if (!imgLoaded && msie && msie >= 7)
|
|
|
+ img.src = img.src;
|
|
|
+};
|
|
|
+
|
|
|
+$.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);
|
huangct