forked from GNUsocial/gnu-social
1695 lines
41 KiB
JavaScript
1695 lines
41 KiB
JavaScript
/**
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* jquery.Jcrop.js v0.9.12
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* jQuery Image Cropping Plugin - released under MIT License
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* Author: Kelly Hallman <khallman@gmail.com>
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* http://github.com/tapmodo/Jcrop
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* Copyright (c) 2008-2013 Tapmodo Interactive LLC {{{
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* }}}
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*/
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(function ($) {
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$.Jcrop = function (obj, opt) {
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var options = $.extend({}, $.Jcrop.defaults),
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docOffset,
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_ua = navigator.userAgent.toLowerCase(),
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is_msie = /msie/.test(_ua),
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ie6mode = /msie [1-6]\./.test(_ua);
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// Internal Methods {{{
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function px(n) {
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return Math.round(n) + 'px';
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}
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function cssClass(cl) {
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return options.baseClass + '-' + cl;
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}
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function supportsColorFade() {
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return $.fx.step.hasOwnProperty('backgroundColor');
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}
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function getPos(obj) //{{{
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{
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var pos = $(obj).offset();
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return [pos.left, pos.top];
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}
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//}}}
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function mouseAbs(e) //{{{
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{
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return [(e.pageX - docOffset[0]), (e.pageY - docOffset[1])];
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}
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//}}}
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function setOptions(opt) //{{{
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{
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if (typeof(opt) !== 'object') opt = {};
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options = $.extend(options, opt);
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$.each(['onChange','onSelect','onRelease','onDblClick'],function(i,e) {
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if (typeof(options[e]) !== 'function') options[e] = function () {};
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});
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}
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//}}}
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function startDragMode(mode, pos, touch) //{{{
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{
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docOffset = getPos($img);
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Tracker.setCursor(mode === 'move' ? mode : mode + '-resize');
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if (mode === 'move') {
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return Tracker.activateHandlers(createMover(pos), doneSelect, touch);
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}
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var fc = Coords.getFixed();
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var opp = oppLockCorner(mode);
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var opc = Coords.getCorner(oppLockCorner(opp));
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Coords.setPressed(Coords.getCorner(opp));
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Coords.setCurrent(opc);
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Tracker.activateHandlers(dragmodeHandler(mode, fc), doneSelect, touch);
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}
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//}}}
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function dragmodeHandler(mode, f) //{{{
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{
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return function (pos) {
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if (!options.aspectRatio) {
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switch (mode) {
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case 'e':
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pos[1] = f.y2;
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break;
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case 'w':
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pos[1] = f.y2;
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break;
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case 'n':
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pos[0] = f.x2;
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break;
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case 's':
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pos[0] = f.x2;
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break;
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}
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} else {
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switch (mode) {
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case 'e':
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pos[1] = f.y + 1;
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break;
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case 'w':
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pos[1] = f.y + 1;
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break;
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case 'n':
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pos[0] = f.x + 1;
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break;
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case 's':
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pos[0] = f.x + 1;
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break;
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}
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}
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Coords.setCurrent(pos);
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Selection.update();
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};
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}
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//}}}
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function createMover(pos) //{{{
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{
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var lloc = pos;
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KeyManager.watchKeys();
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return function (pos) {
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Coords.moveOffset([pos[0] - lloc[0], pos[1] - lloc[1]]);
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lloc = pos;
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Selection.update();
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};
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}
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//}}}
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function oppLockCorner(ord) //{{{
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{
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switch (ord) {
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case 'n':
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return 'sw';
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case 's':
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return 'nw';
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case 'e':
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return 'nw';
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case 'w':
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return 'ne';
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case 'ne':
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return 'sw';
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case 'nw':
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return 'se';
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case 'se':
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return 'nw';
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case 'sw':
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return 'ne';
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}
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}
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//}}}
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function createDragger(ord) //{{{
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{
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return function (e) {
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if (options.disabled) {
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return false;
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}
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if ((ord === 'move') && !options.allowMove) {
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return false;
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}
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// Fix position of crop area when dragged the very first time.
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// Necessary when crop image is in a hidden element when page is loaded.
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docOffset = getPos($img);
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btndown = true;
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startDragMode(ord, mouseAbs(e));
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e.stopPropagation();
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e.preventDefault();
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return false;
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};
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}
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//}}}
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function presize($obj, w, h) //{{{
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{
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var nw = $obj.width(),
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nh = $obj.height();
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if ((nw > w) && w > 0) {
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nw = w;
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nh = (w / $obj.width()) * $obj.height();
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}
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if ((nh > h) && h > 0) {
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nh = h;
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nw = (h / $obj.height()) * $obj.width();
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}
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xscale = $obj.width() / nw;
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yscale = $obj.height() / nh;
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$obj.width(nw).height(nh);
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}
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//}}}
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function unscale(c) //{{{
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{
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return {
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x: c.x * xscale,
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y: c.y * yscale,
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x2: c.x2 * xscale,
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y2: c.y2 * yscale,
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w: c.w * xscale,
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h: c.h * yscale
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};
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}
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//}}}
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function doneSelect(pos) //{{{
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{
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var c = Coords.getFixed();
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if ((c.w > options.minSelect[0]) && (c.h > options.minSelect[1])) {
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Selection.enableHandles();
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Selection.done();
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} else {
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Selection.release();
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}
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Tracker.setCursor(options.allowSelect ? 'crosshair' : 'default');
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}
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//}}}
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function newSelection(e) //{{{
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{
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if (options.disabled) {
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return false;
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}
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if (!options.allowSelect) {
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return false;
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}
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btndown = true;
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docOffset = getPos($img);
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Selection.disableHandles();
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Tracker.setCursor('crosshair');
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var pos = mouseAbs(e);
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Coords.setPressed(pos);
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Selection.update();
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Tracker.activateHandlers(selectDrag, doneSelect, e.type.substring(0,5)==='touch');
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KeyManager.watchKeys();
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e.stopPropagation();
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e.preventDefault();
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return false;
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}
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//}}}
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function selectDrag(pos) //{{{
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{
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Coords.setCurrent(pos);
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Selection.update();
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}
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//}}}
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function newTracker() //{{{
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{
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var trk = $('<div></div>').addClass(cssClass('tracker'));
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if (is_msie) {
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trk.css({
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opacity: 0,
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backgroundColor: 'white'
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});
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}
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return trk;
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}
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//}}}
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// }}}
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// Initialization {{{
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// Sanitize some options {{{
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if (typeof(obj) !== 'object') {
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obj = $(obj)[0];
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}
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if (typeof(opt) !== 'object') {
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opt = {};
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}
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// }}}
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setOptions(opt);
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// Initialize some jQuery objects {{{
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// The values are SET on the image(s) for the interface
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// If the original image has any of these set, they will be reset
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// However, if you destroy() the Jcrop instance the original image's
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// character in the DOM will be as you left it.
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var img_css = {
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border: 'none',
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visibility: 'visible',
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margin: 0,
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padding: 0,
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position: 'absolute',
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top: 0,
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left: 0
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};
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var $origimg = $(obj),
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img_mode = true;
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if (obj.tagName == 'IMG') {
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// Fix size of crop image.
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// Necessary when crop image is within a hidden element when page is loaded.
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if ($origimg[0].width != 0 && $origimg[0].height != 0) {
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// Obtain dimensions from contained img element.
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$origimg.width($origimg[0].width);
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$origimg.height($origimg[0].height);
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} else {
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// Obtain dimensions from temporary image in case the original is not loaded yet (e.g. IE 7.0).
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var tempImage = new Image();
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tempImage.src = $origimg[0].src;
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$origimg.width(tempImage.width);
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$origimg.height(tempImage.height);
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}
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var $img = $origimg.clone().removeAttr('id').css(img_css).show();
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$img.width($origimg.width());
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$img.height($origimg.height());
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$origimg.after($img).hide();
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} else {
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$img = $origimg.css(img_css).show();
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img_mode = false;
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if (options.shade === null) { options.shade = true; }
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}
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presize($img, options.boxWidth, options.boxHeight);
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var boundx = $img.width(),
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boundy = $img.height(),
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$div = $('<div />').width(boundx).height(boundy).addClass(cssClass('holder')).css({
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position: 'relative',
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backgroundColor: options.bgColor
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}).insertAfter($origimg).append($img);
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if (options.addClass) {
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$div.addClass(options.addClass);
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}
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var $img2 = $('<div />'),
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$img_holder = $('<div />')
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.width('100%').height('100%').css({
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zIndex: 310,
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position: 'absolute',
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overflow: 'hidden'
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}),
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$hdl_holder = $('<div />')
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.width('100%').height('100%').css('zIndex', 320),
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$sel = $('<div />')
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.css({
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position: 'absolute',
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zIndex: 600
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}).dblclick(function(){
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var c = Coords.getFixed();
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options.onDblClick.call(api,c);
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}).insertBefore($img).append($img_holder, $hdl_holder);
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if (img_mode) {
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$img2 = $('<img />')
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.attr('src', $img.attr('src')).css(img_css).width(boundx).height(boundy),
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$img_holder.append($img2);
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}
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if (ie6mode) {
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$sel.css({
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overflowY: 'hidden'
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});
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}
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var bound = options.boundary;
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var $trk = newTracker().width(boundx + (bound * 2)).height(boundy + (bound * 2)).css({
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position: 'absolute',
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top: px(-bound),
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left: px(-bound),
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zIndex: 290
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}).mousedown(newSelection);
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/* }}} */
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// Set more variables {{{
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var bgcolor = options.bgColor,
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bgopacity = options.bgOpacity,
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xlimit, ylimit, xmin, ymin, xscale, yscale, enabled = true,
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btndown, animating, shift_down;
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docOffset = getPos($img);
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// }}}
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// }}}
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// Internal Modules {{{
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// Touch Module {{{
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var Touch = (function () {
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// Touch support detection function adapted (under MIT License)
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// from code by Jeffrey Sambells - http://github.com/iamamused/
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function hasTouchSupport() {
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var support = {}, events = ['touchstart', 'touchmove', 'touchend'],
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el = document.createElement('div'), i;
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try {
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for(i=0; i<events.length; i++) {
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var eventName = events[i];
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eventName = 'on' + eventName;
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var isSupported = (eventName in el);
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if (!isSupported) {
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el.setAttribute(eventName, 'return;');
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isSupported = typeof el[eventName] == 'function';
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}
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support[events[i]] = isSupported;
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}
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return support.touchstart && support.touchend && support.touchmove;
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}
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catch(err) {
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return false;
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}
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}
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function detectSupport() {
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if ((options.touchSupport === true) || (options.touchSupport === false)) return options.touchSupport;
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else return hasTouchSupport();
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}
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return {
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createDragger: function (ord) {
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return function (e) {
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if (options.disabled) {
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return false;
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}
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if ((ord === 'move') && !options.allowMove) {
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return false;
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}
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docOffset = getPos($img);
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btndown = true;
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startDragMode(ord, mouseAbs(Touch.cfilter(e)), true);
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e.stopPropagation();
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e.preventDefault();
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return false;
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};
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},
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newSelection: function (e) {
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return newSelection(Touch.cfilter(e));
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},
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cfilter: function (e){
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e.pageX = e.originalEvent.changedTouches[0].pageX;
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e.pageY = e.originalEvent.changedTouches[0].pageY;
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return e;
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},
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isSupported: hasTouchSupport,
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support: detectSupport()
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};
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}());
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// }}}
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// Coords Module {{{
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var Coords = (function () {
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var x1 = 0,
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y1 = 0,
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x2 = 0,
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y2 = 0,
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ox, oy;
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function setPressed(pos) //{{{
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{
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pos = rebound(pos);
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x2 = x1 = pos[0];
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y2 = y1 = pos[1];
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}
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//}}}
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function setCurrent(pos) //{{{
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{
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pos = rebound(pos);
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ox = pos[0] - x2;
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oy = pos[1] - y2;
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x2 = pos[0];
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y2 = pos[1];
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}
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//}}}
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function getOffset() //{{{
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{
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return [ox, oy];
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}
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//}}}
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function moveOffset(offset) //{{{
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{
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var ox = offset[0],
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oy = offset[1];
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if (0 > x1 + ox) {
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ox -= ox + x1;
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}
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if (0 > y1 + oy) {
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oy -= oy + y1;
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}
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if (boundy < y2 + oy) {
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oy += boundy - (y2 + oy);
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}
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if (boundx < x2 + ox) {
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ox += boundx - (x2 + ox);
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}
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x1 += ox;
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x2 += ox;
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y1 += oy;
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y2 += oy;
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}
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//}}}
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function getCorner(ord) //{{{
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{
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var c = getFixed();
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switch (ord) {
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case 'ne':
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return [c.x2, c.y];
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case 'nw':
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return [c.x, c.y];
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case 'se':
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return [c.x2, c.y2];
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case 'sw':
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return [c.x, c.y2];
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}
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}
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//}}}
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function getFixed() //{{{
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{
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if (!options.aspectRatio) {
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return getRect();
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}
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// This function could use some optimization I think...
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var aspect = options.aspectRatio,
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min_x = options.minSize[0] / xscale,
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|
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//min_y = options.minSize[1]/yscale,
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max_x = options.maxSize[0] / xscale,
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max_y = options.maxSize[1] / yscale,
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rw = x2 - x1,
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rh = y2 - y1,
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rwa = Math.abs(rw),
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rha = Math.abs(rh),
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real_ratio = rwa / rha,
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xx, yy, w, h;
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if (max_x === 0) {
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max_x = boundx * 10;
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}
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if (max_y === 0) {
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max_y = boundy * 10;
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}
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if (real_ratio < aspect) {
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yy = y2;
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w = rha * aspect;
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xx = rw < 0 ? x1 - w : w + x1;
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if (xx < 0) {
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xx = 0;
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h = Math.abs((xx - x1) / aspect);
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yy = rh < 0 ? y1 - h : h + y1;
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} else if (xx > boundx) {
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xx = boundx;
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h = Math.abs((xx - x1) / aspect);
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yy = rh < 0 ? y1 - h : h + y1;
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}
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} else {
|
|
xx = x2;
|
|
h = rwa / aspect;
|
|
yy = rh < 0 ? y1 - h : y1 + h;
|
|
if (yy < 0) {
|
|
yy = 0;
|
|
w = Math.abs((yy - y1) * aspect);
|
|
xx = rw < 0 ? x1 - w : w + x1;
|
|
} else if (yy > boundy) {
|
|
yy = boundy;
|
|
w = Math.abs(yy - y1) * aspect;
|
|
xx = rw < 0 ? x1 - w : w + x1;
|
|
}
|
|
}
|
|
|
|
// Magic %-)
|
|
if (xx > x1) { // right side
|
|
if (xx - x1 < min_x) {
|
|
xx = x1 + min_x;
|
|
} else if (xx - x1 > max_x) {
|
|
xx = x1 + max_x;
|
|
}
|
|
if (yy > y1) {
|
|
yy = y1 + (xx - x1) / aspect;
|
|
} else {
|
|
yy = y1 - (xx - x1) / aspect;
|
|
}
|
|
} else if (xx < x1) { // left side
|
|
if (x1 - xx < min_x) {
|
|
xx = x1 - min_x;
|
|
} else if (x1 - xx > max_x) {
|
|
xx = x1 - max_x;
|
|
}
|
|
if (yy > y1) {
|
|
yy = y1 + (x1 - xx) / aspect;
|
|
} else {
|
|
yy = y1 - (x1 - xx) / aspect;
|
|
}
|
|
}
|
|
|
|
if (xx < 0) {
|
|
x1 -= xx;
|
|
xx = 0;
|
|
} else if (xx > boundx) {
|
|
x1 -= xx - boundx;
|
|
xx = boundx;
|
|
}
|
|
|
|
if (yy < 0) {
|
|
y1 -= yy;
|
|
yy = 0;
|
|
} else if (yy > boundy) {
|
|
y1 -= yy - boundy;
|
|
yy = boundy;
|
|
}
|
|
|
|
return makeObj(flipCoords(x1, y1, xx, yy));
|
|
}
|
|
//}}}
|
|
function rebound(p) //{{{
|
|
{
|
|
if (p[0] < 0) p[0] = 0;
|
|
if (p[1] < 0) p[1] = 0;
|
|
|
|
if (p[0] > boundx) p[0] = boundx;
|
|
if (p[1] > boundy) p[1] = boundy;
|
|
|
|
return [Math.round(p[0]), Math.round(p[1])];
|
|
}
|
|
//}}}
|
|
function flipCoords(x1, y1, x2, y2) //{{{
|
|
{
|
|
var xa = x1,
|
|
xb = x2,
|
|
ya = y1,
|
|
yb = y2;
|
|
if (x2 < x1) {
|
|
xa = x2;
|
|
xb = x1;
|
|
}
|
|
if (y2 < y1) {
|
|
ya = y2;
|
|
yb = y1;
|
|
}
|
|
return [xa, ya, xb, yb];
|
|
}
|
|
//}}}
|
|
function getRect() //{{{
|
|
{
|
|
var xsize = x2 - x1,
|
|
ysize = y2 - y1,
|
|
delta;
|
|
|
|
if (xlimit && (Math.abs(xsize) > xlimit)) {
|
|
x2 = (xsize > 0) ? (x1 + xlimit) : (x1 - xlimit);
|
|
}
|
|
if (ylimit && (Math.abs(ysize) > ylimit)) {
|
|
y2 = (ysize > 0) ? (y1 + ylimit) : (y1 - ylimit);
|
|
}
|
|
|
|
if (ymin / yscale && (Math.abs(ysize) < ymin / yscale)) {
|
|
y2 = (ysize > 0) ? (y1 + ymin / yscale) : (y1 - ymin / yscale);
|
|
}
|
|
if (xmin / xscale && (Math.abs(xsize) < xmin / xscale)) {
|
|
x2 = (xsize > 0) ? (x1 + xmin / xscale) : (x1 - xmin / xscale);
|
|
}
|
|
|
|
if (x1 < 0) {
|
|
x2 -= x1;
|
|
x1 -= x1;
|
|
}
|
|
if (y1 < 0) {
|
|
y2 -= y1;
|
|
y1 -= y1;
|
|
}
|
|
if (x2 < 0) {
|
|
x1 -= x2;
|
|
x2 -= x2;
|
|
}
|
|
if (y2 < 0) {
|
|
y1 -= y2;
|
|
y2 -= y2;
|
|
}
|
|
if (x2 > boundx) {
|
|
delta = x2 - boundx;
|
|
x1 -= delta;
|
|
x2 -= delta;
|
|
}
|
|
if (y2 > boundy) {
|
|
delta = y2 - boundy;
|
|
y1 -= delta;
|
|
y2 -= delta;
|
|
}
|
|
if (x1 > boundx) {
|
|
delta = x1 - boundy;
|
|
y2 -= delta;
|
|
y1 -= delta;
|
|
}
|
|
if (y1 > boundy) {
|
|
delta = y1 - boundy;
|
|
y2 -= delta;
|
|
y1 -= delta;
|
|
}
|
|
|
|
return makeObj(flipCoords(x1, y1, x2, y2));
|
|
}
|
|
//}}}
|
|
function makeObj(a) //{{{
|
|
{
|
|
return {
|
|
x: a[0],
|
|
y: a[1],
|
|
x2: a[2],
|
|
y2: a[3],
|
|
w: a[2] - a[0],
|
|
h: a[3] - a[1]
|
|
};
|
|
}
|
|
//}}}
|
|
|
|
return {
|
|
flipCoords: flipCoords,
|
|
setPressed: setPressed,
|
|
setCurrent: setCurrent,
|
|
getOffset: getOffset,
|
|
moveOffset: moveOffset,
|
|
getCorner: getCorner,
|
|
getFixed: getFixed
|
|
};
|
|
}());
|
|
|
|
//}}}
|
|
// Shade Module {{{
|
|
var Shade = (function() {
|
|
var enabled = false,
|
|
holder = $('<div />').css({
|
|
position: 'absolute',
|
|
zIndex: 240,
|
|
opacity: 0
|
|
}),
|
|
shades = {
|
|
top: createShade(),
|
|
left: createShade().height(boundy),
|
|
right: createShade().height(boundy),
|
|
bottom: createShade()
|
|
};
|
|
|
|
function resizeShades(w,h) {
|
|
shades.left.css({ height: px(h) });
|
|
shades.right.css({ height: px(h) });
|
|
}
|
|
function updateAuto()
|
|
{
|
|
return updateShade(Coords.getFixed());
|
|
}
|
|
function updateShade(c)
|
|
{
|
|
shades.top.css({
|
|
left: px(c.x),
|
|
width: px(c.w),
|
|
height: px(c.y)
|
|
});
|
|
shades.bottom.css({
|
|
top: px(c.y2),
|
|
left: px(c.x),
|
|
width: px(c.w),
|
|
height: px(boundy-c.y2)
|
|
});
|
|
shades.right.css({
|
|
left: px(c.x2),
|
|
width: px(boundx-c.x2)
|
|
});
|
|
shades.left.css({
|
|
width: px(c.x)
|
|
});
|
|
}
|
|
function createShade() {
|
|
return $('<div />').css({
|
|
position: 'absolute',
|
|
backgroundColor: options.shadeColor||options.bgColor
|
|
}).appendTo(holder);
|
|
}
|
|
function enableShade() {
|
|
if (!enabled) {
|
|
enabled = true;
|
|
holder.insertBefore($img);
|
|
updateAuto();
|
|
Selection.setBgOpacity(1,0,1);
|
|
$img2.hide();
|
|
|
|
setBgColor(options.shadeColor||options.bgColor,1);
|
|
if (Selection.isAwake())
|
|
{
|
|
setOpacity(options.bgOpacity,1);
|
|
}
|
|
else setOpacity(1,1);
|
|
}
|
|
}
|
|
function setBgColor(color,now) {
|
|
colorChangeMacro(getShades(),color,now);
|
|
}
|
|
function disableShade() {
|
|
if (enabled) {
|
|
holder.remove();
|
|
$img2.show();
|
|
enabled = false;
|
|
if (Selection.isAwake()) {
|
|
Selection.setBgOpacity(options.bgOpacity,1,1);
|
|
} else {
|
|
Selection.setBgOpacity(1,1,1);
|
|
Selection.disableHandles();
|
|
}
|
|
colorChangeMacro($div,0,1);
|
|
}
|
|
}
|
|
function setOpacity(opacity,now) {
|
|
if (enabled) {
|
|
if (options.bgFade && !now) {
|
|
holder.animate({
|
|
opacity: 1-opacity
|
|
},{
|
|
queue: false,
|
|
duration: options.fadeTime
|
|
});
|
|
}
|
|
else holder.css({opacity:1-opacity});
|
|
}
|
|
}
|
|
function refreshAll() {
|
|
options.shade ? enableShade() : disableShade();
|
|
if (Selection.isAwake()) setOpacity(options.bgOpacity);
|
|
}
|
|
function getShades() {
|
|
return holder.children();
|
|
}
|
|
|
|
return {
|
|
update: updateAuto,
|
|
updateRaw: updateShade,
|
|
getShades: getShades,
|
|
setBgColor: setBgColor,
|
|
enable: enableShade,
|
|
disable: disableShade,
|
|
resize: resizeShades,
|
|
refresh: refreshAll,
|
|
opacity: setOpacity
|
|
};
|
|
}());
|
|
// }}}
|
|
// Selection Module {{{
|
|
var Selection = (function () {
|
|
var awake,
|
|
hdep = 370,
|
|
borders = {},
|
|
handle = {},
|
|
dragbar = {},
|
|
seehandles = false;
|
|
|
|
// Private Methods
|
|
function insertBorder(type) //{{{
|
|
{
|
|
var jq = $('<div />').css({
|
|
position: 'absolute',
|
|
opacity: options.borderOpacity
|
|
}).addClass(cssClass(type));
|
|
$img_holder.append(jq);
|
|
return jq;
|
|
}
|
|
//}}}
|
|
function dragDiv(ord, zi) //{{{
|
|
{
|
|
var jq = $('<div />').mousedown(createDragger(ord)).css({
|
|
cursor: ord + '-resize',
|
|
position: 'absolute',
|
|
zIndex: zi
|
|
}).addClass('ord-'+ord);
|
|
|
|
if (Touch.support) {
|
|
jq.bind('touchstart.jcrop', Touch.createDragger(ord));
|
|
}
|
|
|
|
$hdl_holder.append(jq);
|
|
return jq;
|
|
}
|
|
//}}}
|
|
function insertHandle(ord) //{{{
|
|
{
|
|
var hs = options.handleSize,
|
|
|
|
div = dragDiv(ord, hdep++).css({
|
|
opacity: options.handleOpacity
|
|
}).addClass(cssClass('handle'));
|
|
|
|
if (hs) { div.width(hs).height(hs); }
|
|
|
|
return div;
|
|
}
|
|
//}}}
|
|
function insertDragbar(ord) //{{{
|
|
{
|
|
return dragDiv(ord, hdep++).addClass('jcrop-dragbar');
|
|
}
|
|
//}}}
|
|
function createDragbars(li) //{{{
|
|
{
|
|
var i;
|
|
for (i = 0; i < li.length; i++) {
|
|
dragbar[li[i]] = insertDragbar(li[i]);
|
|
}
|
|
}
|
|
//}}}
|
|
function createBorders(li) //{{{
|
|
{
|
|
var cl,i;
|
|
for (i = 0; i < li.length; i++) {
|
|
switch(li[i]){
|
|
case'n': cl='hline'; break;
|
|
case's': cl='hline bottom'; break;
|
|
case'e': cl='vline right'; break;
|
|
case'w': cl='vline'; break;
|
|
}
|
|
borders[li[i]] = insertBorder(cl);
|
|
}
|
|
}
|
|
//}}}
|
|
function createHandles(li) //{{{
|
|
{
|
|
var i;
|
|
for (i = 0; i < li.length; i++) {
|
|
handle[li[i]] = insertHandle(li[i]);
|
|
}
|
|
}
|
|
//}}}
|
|
function moveto(x, y) //{{{
|
|
{
|
|
if (!options.shade) {
|
|
$img2.css({
|
|
top: px(-y),
|
|
left: px(-x)
|
|
});
|
|
}
|
|
$sel.css({
|
|
top: px(y),
|
|
left: px(x)
|
|
});
|
|
}
|
|
//}}}
|
|
function resize(w, h) //{{{
|
|
{
|
|
$sel.width(Math.round(w)).height(Math.round(h));
|
|
}
|
|
//}}}
|
|
function refresh() //{{{
|
|
{
|
|
var c = Coords.getFixed();
|
|
|
|
Coords.setPressed([c.x, c.y]);
|
|
Coords.setCurrent([c.x2, c.y2]);
|
|
|
|
updateVisible();
|
|
}
|
|
//}}}
|
|
|
|
// Internal Methods
|
|
function updateVisible(select) //{{{
|
|
{
|
|
if (awake) {
|
|
return update(select);
|
|
}
|
|
}
|
|
//}}}
|
|
function update(select) //{{{
|
|
{
|
|
var c = Coords.getFixed();
|
|
|
|
resize(c.w, c.h);
|
|
moveto(c.x, c.y);
|
|
if (options.shade) Shade.updateRaw(c);
|
|
|
|
awake || show();
|
|
|
|
if (select) {
|
|
options.onSelect.call(api, unscale(c));
|
|
} else {
|
|
options.onChange.call(api, unscale(c));
|
|
}
|
|
}
|
|
//}}}
|
|
function setBgOpacity(opacity,force,now) //{{{
|
|
{
|
|
if (!awake && !force) return;
|
|
if (options.bgFade && !now) {
|
|
$img.animate({
|
|
opacity: opacity
|
|
},{
|
|
queue: false,
|
|
duration: options.fadeTime
|
|
});
|
|
} else {
|
|
$img.css('opacity', opacity);
|
|
}
|
|
}
|
|
//}}}
|
|
function show() //{{{
|
|
{
|
|
$sel.show();
|
|
|
|
if (options.shade) Shade.opacity(bgopacity);
|
|
else setBgOpacity(bgopacity,true);
|
|
|
|
awake = true;
|
|
}
|
|
//}}}
|
|
function release() //{{{
|
|
{
|
|
disableHandles();
|
|
$sel.hide();
|
|
|
|
if (options.shade) Shade.opacity(1);
|
|
else setBgOpacity(1);
|
|
|
|
awake = false;
|
|
options.onRelease.call(api);
|
|
}
|
|
//}}}
|
|
function showHandles() //{{{
|
|
{
|
|
if (seehandles) {
|
|
$hdl_holder.show();
|
|
}
|
|
}
|
|
//}}}
|
|
function enableHandles() //{{{
|
|
{
|
|
seehandles = true;
|
|
if (options.allowResize) {
|
|
$hdl_holder.show();
|
|
return true;
|
|
}
|
|
}
|
|
//}}}
|
|
function disableHandles() //{{{
|
|
{
|
|
seehandles = false;
|
|
$hdl_holder.hide();
|
|
}
|
|
//}}}
|
|
function animMode(v) //{{{
|
|
{
|
|
if (v) {
|
|
animating = true;
|
|
disableHandles();
|
|
} else {
|
|
animating = false;
|
|
enableHandles();
|
|
}
|
|
}
|
|
//}}}
|
|
function done() //{{{
|
|
{
|
|
animMode(false);
|
|
refresh();
|
|
}
|
|
//}}}
|
|
// Insert draggable elements {{{
|
|
// Insert border divs for outline
|
|
|
|
if (options.dragEdges && $.isArray(options.createDragbars))
|
|
createDragbars(options.createDragbars);
|
|
|
|
if ($.isArray(options.createHandles))
|
|
createHandles(options.createHandles);
|
|
|
|
if (options.drawBorders && $.isArray(options.createBorders))
|
|
createBorders(options.createBorders);
|
|
|
|
//}}}
|
|
|
|
// This is a hack for iOS5 to support drag/move touch functionality
|
|
$(document).bind('touchstart.jcrop-ios',function(e) {
|
|
if ($(e.currentTarget).hasClass('jcrop-tracker')) e.stopPropagation();
|
|
});
|
|
|
|
var $track = newTracker().mousedown(createDragger('move')).css({
|
|
cursor: 'move',
|
|
position: 'absolute',
|
|
zIndex: 360
|
|
});
|
|
|
|
if (Touch.support) {
|
|
$track.bind('touchstart.jcrop', Touch.createDragger('move'));
|
|
}
|
|
|
|
$img_holder.append($track);
|
|
disableHandles();
|
|
|
|
return {
|
|
updateVisible: updateVisible,
|
|
update: update,
|
|
release: release,
|
|
refresh: refresh,
|
|
isAwake: function () {
|
|
return awake;
|
|
},
|
|
setCursor: function (cursor) {
|
|
$track.css('cursor', cursor);
|
|
},
|
|
enableHandles: enableHandles,
|
|
enableOnly: function () {
|
|
seehandles = true;
|
|
},
|
|
showHandles: showHandles,
|
|
disableHandles: disableHandles,
|
|
animMode: animMode,
|
|
setBgOpacity: setBgOpacity,
|
|
done: done
|
|
};
|
|
}());
|
|
|
|
//}}}
|
|
// Tracker Module {{{
|
|
var Tracker = (function () {
|
|
var onMove = function () {},
|
|
onDone = function () {},
|
|
trackDoc = options.trackDocument;
|
|
|
|
function toFront(touch) //{{{
|
|
{
|
|
$trk.css({
|
|
zIndex: 450
|
|
});
|
|
|
|
if (touch)
|
|
$(document)
|
|
.bind('touchmove.jcrop', trackTouchMove)
|
|
.bind('touchend.jcrop', trackTouchEnd);
|
|
|
|
else if (trackDoc)
|
|
$(document)
|
|
.bind('mousemove.jcrop',trackMove)
|
|
.bind('mouseup.jcrop',trackUp);
|
|
}
|
|
//}}}
|
|
function toBack() //{{{
|
|
{
|
|
$trk.css({
|
|
zIndex: 290
|
|
});
|
|
$(document).unbind('.jcrop');
|
|
}
|
|
//}}}
|
|
function trackMove(e) //{{{
|
|
{
|
|
onMove(mouseAbs(e));
|
|
return false;
|
|
}
|
|
//}}}
|
|
function trackUp(e) //{{{
|
|
{
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if (btndown) {
|
|
btndown = false;
|
|
|
|
onDone(mouseAbs(e));
|
|
|
|
if (Selection.isAwake()) {
|
|
options.onSelect.call(api, unscale(Coords.getFixed()));
|
|
}
|
|
|
|
toBack();
|
|
onMove = function () {};
|
|
onDone = function () {};
|
|
}
|
|
|
|
return false;
|
|
}
|
|
//}}}
|
|
function activateHandlers(move, done, touch) //{{{
|
|
{
|
|
btndown = true;
|
|
onMove = move;
|
|
onDone = done;
|
|
toFront(touch);
|
|
return false;
|
|
}
|
|
//}}}
|
|
function trackTouchMove(e) //{{{
|
|
{
|
|
onMove(mouseAbs(Touch.cfilter(e)));
|
|
return false;
|
|
}
|
|
//}}}
|
|
function trackTouchEnd(e) //{{{
|
|
{
|
|
return trackUp(Touch.cfilter(e));
|
|
}
|
|
//}}}
|
|
function setCursor(t) //{{{
|
|
{
|
|
$trk.css('cursor', t);
|
|
}
|
|
//}}}
|
|
|
|
if (!trackDoc) {
|
|
$trk.mousemove(trackMove).mouseup(trackUp).mouseout(trackUp);
|
|
}
|
|
|
|
$img.before($trk);
|
|
return {
|
|
activateHandlers: activateHandlers,
|
|
setCursor: setCursor
|
|
};
|
|
}());
|
|
//}}}
|
|
// KeyManager Module {{{
|
|
var KeyManager = (function () {
|
|
var $keymgr = $('<input type="radio" />').css({
|
|
position: 'fixed',
|
|
left: '-120px',
|
|
width: '12px'
|
|
}).addClass('jcrop-keymgr'),
|
|
|
|
$keywrap = $('<div />').css({
|
|
position: 'absolute',
|
|
overflow: 'hidden'
|
|
}).append($keymgr);
|
|
|
|
function watchKeys() //{{{
|
|
{
|
|
if (options.keySupport) {
|
|
$keymgr.show();
|
|
$keymgr.focus();
|
|
}
|
|
}
|
|
//}}}
|
|
function onBlur(e) //{{{
|
|
{
|
|
$keymgr.hide();
|
|
}
|
|
//}}}
|
|
function doNudge(e, x, y) //{{{
|
|
{
|
|
if (options.allowMove) {
|
|
Coords.moveOffset([x, y]);
|
|
Selection.updateVisible(true);
|
|
}
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
}
|
|
//}}}
|
|
function parseKey(e) //{{{
|
|
{
|
|
if (e.ctrlKey || e.metaKey) {
|
|
return true;
|
|
}
|
|
shift_down = e.shiftKey ? true : false;
|
|
var nudge = shift_down ? 10 : 1;
|
|
|
|
switch (e.keyCode) {
|
|
case 37:
|
|
doNudge(e, -nudge, 0);
|
|
break;
|
|
case 39:
|
|
doNudge(e, nudge, 0);
|
|
break;
|
|
case 38:
|
|
doNudge(e, 0, -nudge);
|
|
break;
|
|
case 40:
|
|
doNudge(e, 0, nudge);
|
|
break;
|
|
case 27:
|
|
if (options.allowSelect) Selection.release();
|
|
break;
|
|
case 9:
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
//}}}
|
|
|
|
if (options.keySupport) {
|
|
$keymgr.keydown(parseKey).blur(onBlur);
|
|
if (ie6mode || !options.fixedSupport) {
|
|
$keymgr.css({
|
|
position: 'absolute',
|
|
left: '-20px'
|
|
});
|
|
$keywrap.append($keymgr).insertBefore($img);
|
|
} else {
|
|
$keymgr.insertBefore($img);
|
|
}
|
|
}
|
|
|
|
|
|
return {
|
|
watchKeys: watchKeys
|
|
};
|
|
}());
|
|
//}}}
|
|
// }}}
|
|
// API methods {{{
|
|
function setClass(cname) //{{{
|
|
{
|
|
$div.removeClass().addClass(cssClass('holder')).addClass(cname);
|
|
}
|
|
//}}}
|
|
function animateTo(a, callback) //{{{
|
|
{
|
|
var x1 = a[0] / xscale,
|
|
y1 = a[1] / yscale,
|
|
x2 = a[2] / xscale,
|
|
y2 = a[3] / yscale;
|
|
|
|
if (animating) {
|
|
return;
|
|
}
|
|
|
|
var animto = Coords.flipCoords(x1, y1, x2, y2),
|
|
c = Coords.getFixed(),
|
|
initcr = [c.x, c.y, c.x2, c.y2],
|
|
animat = initcr,
|
|
interv = options.animationDelay,
|
|
ix1 = animto[0] - initcr[0],
|
|
iy1 = animto[1] - initcr[1],
|
|
ix2 = animto[2] - initcr[2],
|
|
iy2 = animto[3] - initcr[3],
|
|
pcent = 0,
|
|
velocity = options.swingSpeed;
|
|
|
|
x1 = animat[0];
|
|
y1 = animat[1];
|
|
x2 = animat[2];
|
|
y2 = animat[3];
|
|
|
|
Selection.animMode(true);
|
|
var anim_timer;
|
|
|
|
function queueAnimator() {
|
|
window.setTimeout(animator, interv);
|
|
}
|
|
var animator = (function () {
|
|
return function () {
|
|
pcent += (100 - pcent) / velocity;
|
|
|
|
animat[0] = Math.round(x1 + ((pcent / 100) * ix1));
|
|
animat[1] = Math.round(y1 + ((pcent / 100) * iy1));
|
|
animat[2] = Math.round(x2 + ((pcent / 100) * ix2));
|
|
animat[3] = Math.round(y2 + ((pcent / 100) * iy2));
|
|
|
|
if (pcent >= 99.8) {
|
|
pcent = 100;
|
|
}
|
|
if (pcent < 100) {
|
|
setSelectRaw(animat);
|
|
queueAnimator();
|
|
} else {
|
|
Selection.done();
|
|
Selection.animMode(false);
|
|
if (typeof(callback) === 'function') {
|
|
callback.call(api);
|
|
}
|
|
}
|
|
};
|
|
}());
|
|
queueAnimator();
|
|
}
|
|
//}}}
|
|
function setSelect(rect) //{{{
|
|
{
|
|
setSelectRaw([rect[0] / xscale, rect[1] / yscale, rect[2] / xscale, rect[3] / yscale]);
|
|
options.onSelect.call(api, unscale(Coords.getFixed()));
|
|
Selection.enableHandles();
|
|
}
|
|
//}}}
|
|
function setSelectRaw(l) //{{{
|
|
{
|
|
Coords.setPressed([l[0], l[1]]);
|
|
Coords.setCurrent([l[2], l[3]]);
|
|
Selection.update();
|
|
}
|
|
//}}}
|
|
function tellSelect() //{{{
|
|
{
|
|
return unscale(Coords.getFixed());
|
|
}
|
|
//}}}
|
|
function tellScaled() //{{{
|
|
{
|
|
return Coords.getFixed();
|
|
}
|
|
//}}}
|
|
function setOptionsNew(opt) //{{{
|
|
{
|
|
setOptions(opt);
|
|
interfaceUpdate();
|
|
}
|
|
//}}}
|
|
function disableCrop() //{{{
|
|
{
|
|
options.disabled = true;
|
|
Selection.disableHandles();
|
|
Selection.setCursor('default');
|
|
Tracker.setCursor('default');
|
|
}
|
|
//}}}
|
|
function enableCrop() //{{{
|
|
{
|
|
options.disabled = false;
|
|
interfaceUpdate();
|
|
}
|
|
//}}}
|
|
function cancelCrop() //{{{
|
|
{
|
|
Selection.done();
|
|
Tracker.activateHandlers(null, null);
|
|
}
|
|
//}}}
|
|
function destroy() //{{{
|
|
{
|
|
$div.remove();
|
|
$origimg.show();
|
|
$origimg.css('visibility','visible');
|
|
$(obj).removeData('Jcrop');
|
|
}
|
|
//}}}
|
|
function setImage(src, callback) //{{{
|
|
{
|
|
Selection.release();
|
|
disableCrop();
|
|
var img = new Image();
|
|
img.onload = function () {
|
|
var iw = img.width;
|
|
var ih = img.height;
|
|
var bw = options.boxWidth;
|
|
var bh = options.boxHeight;
|
|
$img.width(iw).height(ih);
|
|
$img.attr('src', src);
|
|
$img2.attr('src', src);
|
|
presize($img, bw, bh);
|
|
boundx = $img.width();
|
|
boundy = $img.height();
|
|
$img2.width(boundx).height(boundy);
|
|
$trk.width(boundx + (bound * 2)).height(boundy + (bound * 2));
|
|
$div.width(boundx).height(boundy);
|
|
Shade.resize(boundx,boundy);
|
|
enableCrop();
|
|
|
|
if (typeof(callback) === 'function') {
|
|
callback.call(api);
|
|
}
|
|
};
|
|
img.src = src;
|
|
}
|
|
//}}}
|
|
function colorChangeMacro($obj,color,now) {
|
|
var mycolor = color || options.bgColor;
|
|
if (options.bgFade && supportsColorFade() && options.fadeTime && !now) {
|
|
$obj.animate({
|
|
backgroundColor: mycolor
|
|
}, {
|
|
queue: false,
|
|
duration: options.fadeTime
|
|
});
|
|
} else {
|
|
$obj.css('backgroundColor', mycolor);
|
|
}
|
|
}
|
|
function interfaceUpdate(alt) //{{{
|
|
// This method tweaks the interface based on options object.
|
|
// Called when options are changed and at end of initialization.
|
|
{
|
|
if (options.allowResize) {
|
|
if (alt) {
|
|
Selection.enableOnly();
|
|
} else {
|
|
Selection.enableHandles();
|
|
}
|
|
} else {
|
|
Selection.disableHandles();
|
|
}
|
|
|
|
Tracker.setCursor(options.allowSelect ? 'crosshair' : 'default');
|
|
Selection.setCursor(options.allowMove ? 'move' : 'default');
|
|
|
|
if (options.hasOwnProperty('trueSize')) {
|
|
xscale = options.trueSize[0] / boundx;
|
|
yscale = options.trueSize[1] / boundy;
|
|
}
|
|
|
|
if (options.hasOwnProperty('setSelect')) {
|
|
setSelect(options.setSelect);
|
|
Selection.done();
|
|
delete(options.setSelect);
|
|
}
|
|
|
|
Shade.refresh();
|
|
|
|
if (options.bgColor != bgcolor) {
|
|
colorChangeMacro(
|
|
options.shade? Shade.getShades(): $div,
|
|
options.shade?
|
|
(options.shadeColor || options.bgColor):
|
|
options.bgColor
|
|
);
|
|
bgcolor = options.bgColor;
|
|
}
|
|
|
|
if (bgopacity != options.bgOpacity) {
|
|
bgopacity = options.bgOpacity;
|
|
if (options.shade) Shade.refresh();
|
|
else Selection.setBgOpacity(bgopacity);
|
|
}
|
|
|
|
xlimit = options.maxSize[0] || 0;
|
|
ylimit = options.maxSize[1] || 0;
|
|
xmin = options.minSize[0] || 0;
|
|
ymin = options.minSize[1] || 0;
|
|
|
|
if (options.hasOwnProperty('outerImage')) {
|
|
$img.attr('src', options.outerImage);
|
|
delete(options.outerImage);
|
|
}
|
|
|
|
Selection.refresh();
|
|
}
|
|
//}}}
|
|
//}}}
|
|
|
|
if (Touch.support) $trk.bind('touchstart.jcrop', Touch.newSelection);
|
|
|
|
$hdl_holder.hide();
|
|
interfaceUpdate(true);
|
|
|
|
var api = {
|
|
setImage: setImage,
|
|
animateTo: animateTo,
|
|
setSelect: setSelect,
|
|
setOptions: setOptionsNew,
|
|
tellSelect: tellSelect,
|
|
tellScaled: tellScaled,
|
|
setClass: setClass,
|
|
|
|
disable: disableCrop,
|
|
enable: enableCrop,
|
|
cancel: cancelCrop,
|
|
release: Selection.release,
|
|
destroy: destroy,
|
|
|
|
focus: KeyManager.watchKeys,
|
|
|
|
getBounds: function () {
|
|
return [boundx * xscale, boundy * yscale];
|
|
},
|
|
getWidgetSize: function () {
|
|
return [boundx, boundy];
|
|
},
|
|
getScaleFactor: function () {
|
|
return [xscale, yscale];
|
|
},
|
|
getOptions: function() {
|
|
// careful: internal values are returned
|
|
return options;
|
|
},
|
|
|
|
ui: {
|
|
holder: $div,
|
|
selection: $sel
|
|
}
|
|
};
|
|
|
|
if (is_msie) $div.bind('selectstart', function () { return false; });
|
|
|
|
$origimg.data('Jcrop', api);
|
|
return api;
|
|
};
|
|
$.fn.Jcrop = function (options, callback) //{{{
|
|
{
|
|
var api;
|
|
// Iterate over each object, attach Jcrop
|
|
this.each(function () {
|
|
// If we've already attached to this object
|
|
if ($(this).data('Jcrop')) {
|
|
// The API can be requested this way (undocumented)
|
|
if (options === 'api') return $(this).data('Jcrop');
|
|
// Otherwise, we just reset the options...
|
|
else $(this).data('Jcrop').setOptions(options);
|
|
}
|
|
// If we haven't been attached, preload and attach
|
|
else {
|
|
if (this.tagName == 'IMG')
|
|
$.Jcrop.Loader(this,function(){
|
|
$(this).css({display:'block',visibility:'hidden'});
|
|
api = $.Jcrop(this, options);
|
|
if ($.isFunction(callback)) callback.call(api);
|
|
});
|
|
else {
|
|
$(this).css({display:'block',visibility:'hidden'});
|
|
api = $.Jcrop(this, options);
|
|
if ($.isFunction(callback)) callback.call(api);
|
|
}
|
|
}
|
|
});
|
|
|
|
// Return "this" so the object is chainable (jQuery-style)
|
|
return this;
|
|
};
|
|
//}}}
|
|
// $.Jcrop.Loader - basic image loader {{{
|
|
|
|
$.Jcrop.Loader = function(imgobj,success,error){
|
|
var $img = $(imgobj), img = $img[0];
|
|
|
|
function completeCheck(){
|
|
if (img.complete) {
|
|
$img.unbind('.jcloader');
|
|
if ($.isFunction(success)) success.call(img);
|
|
}
|
|
else window.setTimeout(completeCheck,50);
|
|
}
|
|
|
|
$img
|
|
.bind('load.jcloader',completeCheck)
|
|
.bind('error.jcloader',function(e){
|
|
$img.unbind('.jcloader');
|
|
if ($.isFunction(error)) error.call(img);
|
|
});
|
|
|
|
if (img.complete && $.isFunction(success)){
|
|
$img.unbind('.jcloader');
|
|
success.call(img);
|
|
}
|
|
};
|
|
|
|
//}}}
|
|
// Global Defaults {{{
|
|
$.Jcrop.defaults = {
|
|
|
|
// Basic Settings
|
|
allowSelect: true,
|
|
allowMove: true,
|
|
allowResize: true,
|
|
|
|
trackDocument: true,
|
|
|
|
// Styling Options
|
|
baseClass: 'jcrop',
|
|
addClass: null,
|
|
bgColor: 'black',
|
|
bgOpacity: 0.6,
|
|
bgFade: false,
|
|
borderOpacity: 0.4,
|
|
handleOpacity: 0.5,
|
|
handleSize: null,
|
|
|
|
aspectRatio: 0,
|
|
keySupport: true,
|
|
createHandles: ['n','s','e','w','nw','ne','se','sw'],
|
|
createDragbars: ['n','s','e','w'],
|
|
createBorders: ['n','s','e','w'],
|
|
drawBorders: true,
|
|
dragEdges: true,
|
|
fixedSupport: true,
|
|
touchSupport: null,
|
|
|
|
shade: null,
|
|
|
|
boxWidth: 0,
|
|
boxHeight: 0,
|
|
boundary: 2,
|
|
fadeTime: 400,
|
|
animationDelay: 20,
|
|
swingSpeed: 3,
|
|
|
|
minSelect: [0, 0],
|
|
maxSize: [0, 0],
|
|
minSize: [0, 0],
|
|
|
|
// Callbacks / Event Handlers
|
|
onChange: function () {},
|
|
onSelect: function () {},
|
|
onDblClick: function () {},
|
|
onRelease: function () {}
|
|
};
|
|
|
|
// }}}
|
|
}(jQuery));
|