--- /dev/null
+var imageEdit;
+
+(function($) {
+imageEdit = {
+ iasapi : {},
+ hold : {},
+ postid : '',
+
+ intval : function(f) {
+ return f | 0;
+ },
+
+ setDisabled : function(el, s) {
+ if ( s ) {
+ el.removeClass('disabled');
+ $('input', el).removeAttr('disabled');
+ } else {
+ el.addClass('disabled');
+ $('input', el).attr('disabled', 'disabled');
+ }
+ },
+
+ init : function(postid, nonce) {
+ var t = this, old = $('#image-editor-' + t.postid),
+ x = t.intval( $('#imgedit-x-' + postid).val() ),
+ y = t.intval( $('#imgedit-y-' + postid).val() );
+
+ if ( t.postid != postid && old.length )
+ t.close(t.postid);
+
+ t.hold['w'] = t.hold['ow'] = x;
+ t.hold['h'] = t.hold['oh'] = y;
+ t.hold['xy_ratio'] = x / y;
+ t.hold['sizer'] = parseFloat( $('#imgedit-sizer-' + postid).val() );
+ t.postid = postid;
+ $('#imgedit-response-' + postid).empty();
+
+ $('input[type="text"]', '#imgedit-panel-' + postid).keypress(function(e) {
+ var k = e.keyCode;
+
+ if ( 36 < k && k < 41 )
+ $(this).blur()
+
+ if ( 13 == k ) {
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ });
+ },
+
+ toggleEditor : function(postid, toggle) {
+ var wait = $('#imgedit-wait-' + postid);
+
+ if ( toggle )
+ wait.height( $('#imgedit-panel-' + postid).height() ).fadeIn('fast');
+ else
+ wait.fadeOut('fast');
+ },
+
+ toggleHelp : function(el) {
+ $(el).siblings('.imgedit-help').slideToggle('fast');
+ return false;
+ },
+
+ getTarget : function(postid) {
+ return $('input[name=imgedit-target-' + postid + ']:checked', '#imgedit-save-target-' + postid).val() || 'full';
+ },
+
+ scaleChanged : function(postid, x) {
+ var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid),
+ warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '';
+
+ if ( x ) {
+ h1 = (w.val() != '') ? this.intval( w.val() / this.hold['xy_ratio'] ) : '';
+ h.val( h1 );
+ } else {
+ w1 = (h.val() != '') ? this.intval( h.val() * this.hold['xy_ratio'] ) : '';
+ w.val( w1 );
+ }
+
+ if ( ( h1 && h1 > this.hold['oh'] ) || ( w1 && w1 > this.hold['ow'] ) )
+ warn.css('visibility', 'visible');
+ else
+ warn.css('visibility', 'hidden');
+ },
+
+ getSelRatio : function(postid) {
+ var x = this.hold['w'], y = this.hold['h'],
+ X = this.intval( $('#imgedit-crop-width-' + postid).val() ),
+ Y = this.intval( $('#imgedit-crop-height-' + postid).val() );
+
+ if ( X && Y )
+ return X + ':' + Y;
+
+ if ( x && y )
+ return x + ':' + y;
+
+ return '1:1';
+ },
+
+ filterHistory : function(postid, setSize) {
+ // apply undo state to history
+ var history = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = [];
+
+ if ( history != '' ) {
+ history = JSON.parse(history);
+ pop = this.intval( $('#imgedit-undone-' + postid).val() );
+ if ( pop > 0 ) {
+ while ( pop > 0 ) {
+ history.pop();
+ pop--;
+ }
+ }
+
+ if ( setSize ) {
+ if ( !history.length ) {
+ this.hold['w'] = this.hold['ow'];
+ this.hold['h'] = this.hold['oh'];
+ return '';
+ }
+
+ // restore
+ o = history[history.length - 1];
+ o = o.c || o.r || o.f || false;
+
+ if ( o ) {
+ this.hold['w'] = o.fw;
+ this.hold['h'] = o.fh;
+ }
+ }
+
+ // filter the values
+ for ( n in history ) {
+ i = history[n];
+ if ( i.hasOwnProperty('c') ) {
+ op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h } };
+ } else if ( i.hasOwnProperty('r') ) {
+ op[n] = { 'r': i.r.r };
+ } else if ( i.hasOwnProperty('f') ) {
+ op[n] = { 'f': i.f.f };
+ }
+ }
+ return JSON.stringify(op);
+ }
+ return '';
+ },
+
+ refreshEditor : function(postid, nonce, callback) {
+ var t = this, data, img;
+
+ t.toggleEditor(postid, 1);
+ data = {
+ 'action': 'imgedit-preview',
+ '_ajax_nonce': nonce,
+ 'postid': postid,
+ 'history': t.filterHistory(postid, 1),
+ 'rand': t.intval(Math.random() * 1000000)
+ };
+
+ img = $('<img id="image-preview-' + postid + '" />');
+ img.load( function() {
+ var max1, max2, parent = $('#imgedit-crop-' + postid), t = imageEdit;
+
+ parent.empty().append(img);
+
+ // w, h are the new full size dims
+ max1 = Math.max( t.hold.w, t.hold.h );
+ max2 = Math.max( $(img).width(), $(img).height() );
+ t.hold['sizer'] = max1 > max2 ? max2 / max1 : 1;
+
+ t.initCrop(postid, img, parent);
+ t.setCropSelection(postid, 0);
+
+ if ( (typeof callback != "unknown") && callback != null )
+ callback();
+
+ if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() == 0 )
+ $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).removeAttr('disabled');
+ else
+ $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).attr('disabled', 'disabled');
+
+ t.toggleEditor(postid, 0);
+ }).attr('src', ajaxurl + '?' + $.param(data));
+ },
+
+ action : function(postid, nonce, action) {
+ var t = this, data, w, h, fw, fh;
+
+ if ( t.notsaved(postid) )
+ return false;
+
+ data = {
+ 'action': 'image-editor',
+ '_ajax_nonce': nonce,
+ 'postid': postid
+ };
+
+ if ( 'scale' == action ) {
+ w = $('#imgedit-scale-width-' + postid),
+ h = $('#imgedit-scale-height-' + postid),
+ fw = t.intval(w.val()),
+ fh = t.intval(h.val());
+
+ if ( fw < 1 ) {
+ w.focus();
+ return false;;
+ } else if ( fh < 1 ) {
+ h.focus();
+ return false;;
+ }
+
+ if ( fw == t.hold.ow || fh == t.hold.oh )
+ return false;
+
+ data['do'] = 'scale';
+ data['fwidth'] = fw;
+ data['fheight'] = fh;
+ } else if ( 'restore' == action ) {
+ data['do'] = 'restore';
+ } else {
+ return false;
+ }
+
+ t.toggleEditor(postid, 1);
+ $.post(ajaxurl, data, function(r) {
+ $('#image-editor-' + postid).empty().append(r);
+ t.toggleEditor(postid, 0);
+ });
+ },
+
+ save : function(postid, nonce) {
+ var data, target = this.getTarget(postid), history = this.filterHistory(postid, 0);
+
+ if ( '' == history )
+ return false;
+
+ this.toggleEditor(postid, 1);
+ data = {
+ 'action': 'image-editor',
+ '_ajax_nonce': nonce,
+ 'postid': postid,
+ 'history': history,
+ 'target': target,
+ 'do': 'save'
+ };
+
+ $.post(ajaxurl, data, function(r) {
+ var ret = JSON.parse(r);
+
+ if ( ret.error ) {
+ $('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p><div>');
+ imageEdit.close(postid);
+ return;
+ }
+
+ if ( ret.fw && ret.fh )
+ $('#media-dims-' + postid).html( ret.fw + ' × ' + ret.fh );
+
+ if ( ret.thumbnail )
+ $('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail);
+
+ if ( ret.msg )
+ $('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>');
+
+ imageEdit.close(postid);
+ });
+ },
+
+ open : function(postid, nonce) {
+ var data, elem = $('#image-editor-' + postid), head = $('#media-head-' + postid),
+ btn = $('#imgedit-open-btn-' + postid), spin = btn.siblings('img');
+
+ btn.attr('disabled', 'disabled');
+ spin.css('visibility', 'visible');
+
+ data = {
+ 'action': 'image-editor',
+ '_ajax_nonce': nonce,
+ 'postid': postid,
+ 'do': 'open'
+ };
+
+ elem.load(ajaxurl, data, function() {
+ elem.fadeIn('fast');
+ head.fadeOut('fast', function(){
+ btn.removeAttr('disabled');
+ spin.css('visibility', 'hidden');
+ });
+ });
+ },
+
+ imgLoaded : function(postid) {
+ var img = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid);
+
+ this.initCrop(postid, img, parent);
+ this.setCropSelection(postid, 0);
+ this.toggleEditor(postid, 0);
+ },
+
+ initCrop : function(postid, image, parent) {
+ var t = this, selW = $('#imgedit-sel-width-' + postid),
+ selH = $('#imgedit-sel-height-' + postid);
+
+ t.iasapi = $(image).imgAreaSelect({
+ parent: parent,
+ instance: true,
+ handles: true,
+ keys: true,
+ minWidth: 3,
+ minHeight: 3,
+
+ onInit: function(img, c) {
+ parent.children().mousedown(function(e){
+ var ratio = false, sel, defRatio;
+
+ if ( e.shiftKey ) {
+ sel = t.iasapi.getSelection();
+ defRatio = t.getSelRatio(postid);
+ ratio = ( sel && sel.width && sel.height ) ? sel.width + ':' + sel.height : defRatio;
+ }
+
+ t.iasapi.setOptions({
+ aspectRatio: ratio
+ });
+ });
+ },
+
+ onSelectStart: function(img, c) {
+ imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1);
+ },
+
+ onSelectEnd: function(img, c) {
+ imageEdit.setCropSelection(postid, c);
+ },
+
+ onSelectChange: function(img, c) {
+ var sizer = imageEdit.hold.sizer;
+ selW.val( imageEdit.round(c.width / sizer) );
+ selH.val( imageEdit.round(c.height / sizer) );
+ }
+ });
+ },
+
+ setCropSelection : function(postid, c) {
+ var sel, min = $('#imgedit-minthumb-' + postid).val() || '128:128',
+ sizer = this.hold['sizer'];
+ min = min.split(':');
+ c = c || 0;
+
+ if ( !c || ( c.width < 3 && c.height < 3 ) ) {
+ this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0);
+ this.setDisabled($('#imgedit-crop-sel-' + postid), 0);
+ $('#imgedit-sel-width-' + postid).val('');
+ $('#imgedit-sel-height-' + postid).val('');
+ $('#imgedit-selection-' + postid).val('');
+ return false;
+ }
+
+ if ( c.width < (min[0] * sizer) && c.height < (min[1] * sizer) ) {
+ this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0);
+ $('#imgedit-selection-' + postid).val('');
+ return false;
+ }
+
+ sel = { 'x': c.x1, 'y': c.y1, 'w': c.width, 'h': c.height };
+ this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1);
+ $('#imgedit-selection-' + postid).val( JSON.stringify(sel) );
+ },
+
+ close : function(postid, warn) {
+ warn = warn || false;
+
+ if ( warn && this.notsaved(postid) )
+ return false;
+
+ this.iasapi = {};
+ this.hold = {};
+ $('#image-editor-' + postid).fadeOut('fast', function() {
+ $('#media-head-' + postid).fadeIn('fast');
+ $(this).empty();
+ });
+ },
+
+ notsaved : function(postid) {
+ var h = $('#imgedit-history-' + postid).val(),
+ history = (h != '') ? JSON.parse(h) : new Array(),
+ pop = this.intval( $('#imgedit-undone-' + postid).val() );
+
+ if ( pop < history.length ) {
+ if ( confirm( $('#imgedit-leaving-' + postid).html() ) )
+ return false;
+ return true;
+ }
+ return false;
+ },
+
+ addStep : function(op, postid, nonce) {
+ var t = this, elem = $('#imgedit-history-' + postid),
+ history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array(),
+ undone = $('#imgedit-undone-' + postid),
+ pop = t.intval(undone.val());
+
+ while ( pop > 0 ) {
+ history.pop();
+ pop--;
+ }
+ undone.val(0); // reset
+
+ history.push(op);
+ elem.val( JSON.stringify(history) );
+
+ t.refreshEditor(postid, nonce, function() {
+ t.setDisabled($('#image-undo-' + postid), true);
+ t.setDisabled($('#image-redo-' + postid), false);
+ });
+ },
+
+ rotate : function(angle, postid, nonce, t) {
+ if ( $(t).hasClass('disabled') )
+ return false;
+
+ this.addStep({ 'r': { 'r': angle, 'fw': this.hold['h'], 'fh': this.hold['w'] }}, postid, nonce);
+ },
+
+ flip : function (axis, postid, nonce, t) {
+ if ( $(t).hasClass('disabled') )
+ return false;
+
+ this.addStep({ 'f': { 'f': axis, 'fw': this.hold['w'], 'fh': this.hold['h'] }}, postid, nonce);
+ },
+
+ crop : function (postid, nonce, t) {
+ var sel = $('#imgedit-selection-' + postid).val(),
+ w = this.intval( $('#imgedit-sel-width-' + postid).val() ),
+ h = this.intval( $('#imgedit-sel-height-' + postid).val() );
+
+ if ( $(t).hasClass('disabled') || sel == '' )
+ return false;
+
+ sel = JSON.parse(sel);
+ if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) {
+ sel['fw'] = w;
+ sel['fh'] = h;
+ this.addStep({ 'c': sel }, postid, nonce);
+ }
+ },
+
+ undo : function (postid, nonce) {
+ var t = this, button = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid),
+ pop = t.intval( elem.val() ) + 1;
+
+ if ( button.hasClass('disabled') )
+ return;
+
+ elem.val(pop);
+ t.refreshEditor(postid, nonce, function() {
+ var elem = $('#imgedit-history-' + postid),
+ history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array();
+
+ t.setDisabled($('#image-redo-' + postid), true);
+ t.setDisabled(button, pop < history.length);
+ });
+ },
+
+ redo : function(postid, nonce) {
+ var t = this, button = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid),
+ pop = t.intval( elem.val() ) - 1;
+
+ if ( button.hasClass('disabled') )
+ return;
+
+ elem.val(pop);
+ t.refreshEditor(postid, nonce, function() {
+ t.setDisabled($('#image-undo-' + postid), true);
+ t.setDisabled(button, pop > 0);
+ });
+ },
+
+ setNumSelection : function(postid) {
+ var sel, elX = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid),
+ x = this.intval( elX.val() ), y = this.intval( elY.val() ),
+ img = $('#image-preview-' + postid), imgh = img.height(), imgw = img.width(),
+ sizer = this.hold['sizer'], x1, y1, x2, y2, ias = this.iasapi;
+
+ if ( x < 1 ) {
+ elX.val('');
+ return false;
+ }
+
+ if ( y < 1 ) {
+ elY.val('');
+ return false;
+ }
+
+ if ( x && y && ( sel = ias.getSelection() ) ) {
+ x2 = sel.x1 + Math.round( x * sizer );
+ y2 = sel.y1 + Math.round( y * sizer );
+ x1 = sel.x1;
+ y1 = sel.y1;
+
+ if ( x2 > imgw ) {
+ x1 = 0;
+ x2 = imgw;
+ elX.val( Math.round( x2 / sizer ) );
+ }
+
+ if ( y2 > imgh ) {
+ y1 = 0;
+ y2 = imgh;
+ elY.val( Math.round( y2 / sizer ) );
+ }
+
+ ias.setSelection( x1, y1, x2, y2 );
+ ias.update();
+ this.setCropSelection(postid, ias.getSelection());
+ }
+ },
+
+ round : function(num) {
+ var s;
+ num = Math.round(num);
+
+ if ( this.hold.sizer > 0.6 )
+ return num;
+
+ s = num.toString().slice(-1);
+
+ if ( '1' == s )
+ return num - 1;
+ else if ( '9' == s )
+ return num + 1;
+
+ return num;
+ },
+
+ setRatioSelection : function(postid, n, el) {
+ var sel, r, x = this.intval( $('#imgedit-crop-width-' + postid).val() ),
+ y = this.intval( $('#imgedit-crop-height-' + postid).val() ),
+ h = $('#image-preview-' + postid).height();
+
+ if ( !this.intval( $(el).val() ) ) {
+ $(el).val('');
+ return;
+ }
+
+ if ( x && y ) {
+ this.iasapi.setOptions({
+ aspectRatio: x + ':' + y
+ });
+
+ if ( sel = this.iasapi.getSelection(true) ) {
+ r = Math.ceil( sel.y1 + ((sel.x2 - sel.x1) / (x / y)) );
+
+ if ( r > h ) {
+ r = h;
+ if ( n )
+ $('#imgedit-crop-height-' + postid).val('');
+ else
+ $('#imgedit-crop-width-' + postid).val('');
+ }
+
+ this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r );
+ this.iasapi.update();
+ }
+ }
+ }
+}
+})(jQuery);
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