/wp-admin/js/image-edit.js
JavaScript | 573 lines | 458 code | 111 blank | 4 comment | 116 complexity | f2e5873b4cc923135fef4ebb4991e0ef MD5 | raw file
- 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).prop('disabled', true);
- }
- },
- 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() != '') ? Math.round( w.val() / this.hold['xy_ratio'] ) : '';
- h.val( h1 );
- } else {
- w1 = (h.val() != '') ? Math.round( 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).prop('disabled', true);
- t.toggleEditor(postid, 0);
- }).error(function(){
- $('#imgedit-crop-' + postid).empty().append('<div class="error"><p>' + imageEditL10n.error + '</p></div>');
- 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,
- 'context': $('#image-edit-context').length ? $('#image-edit-context').val() : null,
- '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('.spinner');
- btn.prop('disabled', true);
- spin.show();
- 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.hide();
- });
- });
- },
- 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);