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.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('

' + ret.error + '

'); 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('

' + ret.msg + '

'); 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);