mirror of
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fb0d8b44ee
git-svn-id: http://svn.automattic.com/wordpress/trunk@12163 1a063a9b-81f0-0310-95a4-ce76da25c4cd
570 lines
14 KiB
JavaScript
570 lines
14 KiB
JavaScript
var imageEdit;
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(function($) {
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imageEdit = {
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iasapi : {},
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hold : {},
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postid : '',
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intval : function(f) {
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return f | 0;
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},
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setDisabled : function(el, s) {
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if ( s ) {
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el.removeClass('disabled');
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$('input', el).removeAttr('disabled');
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} else {
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el.addClass('disabled');
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$('input', el).attr('disabled', 'disabled');
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}
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},
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init : function(postid, nonce) {
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var t = this, old = $('#image-editor-' + t.postid),
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x = t.intval( $('#imgedit-x-' + postid).val() ),
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y = t.intval( $('#imgedit-y-' + postid).val() );
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if ( t.postid != postid && old.length )
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t.close(t.postid);
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t.hold['w'] = t.hold['ow'] = x;
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t.hold['h'] = t.hold['oh'] = y;
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t.hold['xy_ratio'] = x / y;
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t.hold['sizer'] = parseFloat( $('#imgedit-sizer-' + postid).val() );
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t.postid = postid;
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$('#imgedit-response-' + postid).empty();
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$('input[type="text"]', '#imgedit-panel-' + postid).keypress(function(e) {
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var k = e.keyCode;
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if ( 36 < k && k < 41 )
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$(this).blur()
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if ( 13 == k ) {
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e.preventDefault();
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e.stopPropagation();
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return false;
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}
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});
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},
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toggleEditor : function(postid, toggle) {
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var wait = $('#imgedit-wait-' + postid);
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if ( toggle )
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wait.height( $('#imgedit-panel-' + postid).height() ).fadeIn('fast');
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else
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wait.fadeOut('fast');
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},
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toggleHelp : function(el) {
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$(el).siblings('.imgedit-help').slideToggle('fast');
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return false;
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},
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getTarget : function(postid) {
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return $('input[name=imgedit-target-' + postid + ']:checked', '#imgedit-save-target-' + postid).val() || 'full';
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},
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scaleChanged : function(postid, x) {
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var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid),
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warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '';
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if ( x ) {
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h1 = (w.val() != '') ? this.intval( w.val() / this.hold['xy_ratio'] ) : '';
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h.val( h1 );
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} else {
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w1 = (h.val() != '') ? this.intval( h.val() * this.hold['xy_ratio'] ) : '';
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w.val( w1 );
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}
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if ( ( h1 && h1 > this.hold['oh'] ) || ( w1 && w1 > this.hold['ow'] ) )
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warn.css('visibility', 'visible');
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else
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warn.css('visibility', 'hidden');
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},
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getSelRatio : function(postid) {
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var x = this.hold['w'], y = this.hold['h'],
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X = this.intval( $('#imgedit-crop-width-' + postid).val() ),
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Y = this.intval( $('#imgedit-crop-height-' + postid).val() );
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if ( X && Y )
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return X + ':' + Y;
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if ( x && y )
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return x + ':' + y;
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return '1:1';
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},
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filterHistory : function(postid, setSize) {
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// apply undo state to history
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var history = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = [];
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if ( history != '' ) {
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history = JSON.parse(history);
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pop = this.intval( $('#imgedit-undone-' + postid).val() );
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if ( pop > 0 ) {
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while ( pop > 0 ) {
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history.pop();
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pop--;
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}
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}
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if ( setSize ) {
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if ( !history.length ) {
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this.hold['w'] = this.hold['ow'];
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this.hold['h'] = this.hold['oh'];
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return '';
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}
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// restore
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o = history[history.length - 1];
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o = o.c || o.r || o.f || false;
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if ( o ) {
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this.hold['w'] = o.fw;
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this.hold['h'] = o.fh;
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}
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}
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// filter the values
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for ( n in history ) {
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i = history[n];
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if ( i.hasOwnProperty('c') ) {
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op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h } };
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} else if ( i.hasOwnProperty('r') ) {
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op[n] = { 'r': i.r.r };
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} else if ( i.hasOwnProperty('f') ) {
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op[n] = { 'f': i.f.f };
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}
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}
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return JSON.stringify(op);
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}
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return '';
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},
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refreshEditor : function(postid, nonce, callback) {
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var t = this, data, img;
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t.toggleEditor(postid, 1);
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data = {
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'action': 'imgedit-preview',
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'_ajax_nonce': nonce,
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'postid': postid,
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'history': t.filterHistory(postid, 1),
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'rand': t.intval(Math.random() * 1000000)
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};
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img = $('<img id="image-preview-' + postid + '" />');
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img.load( function() {
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var max1, max2, parent = $('#imgedit-crop-' + postid), t = imageEdit;
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parent.empty().append(img);
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// w, h are the new full size dims
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max1 = Math.max( t.hold.w, t.hold.h );
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max2 = Math.max( $(img).width(), $(img).height() );
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t.hold['sizer'] = max1 > max2 ? max2 / max1 : 1;
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t.initCrop(postid, img, parent);
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t.setCropSelection(postid, 0);
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if ( (typeof callback != "unknown") && callback != null )
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callback();
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if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() == 0 )
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$('input.imgedit-submit-btn', '#imgedit-panel-' + postid).removeAttr('disabled');
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else
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$('input.imgedit-submit-btn', '#imgedit-panel-' + postid).attr('disabled', 'disabled');
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t.toggleEditor(postid, 0);
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}).attr('src', ajaxurl + '?' + $.param(data));
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},
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action : function(postid, nonce, action) {
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var t = this, data, w, h, fw, fh;
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if ( t.notsaved(postid) )
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return false;
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data = {
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'action': 'image-editor',
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'_ajax_nonce': nonce,
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'postid': postid
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};
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if ( 'scale' == action ) {
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w = $('#imgedit-scale-width-' + postid),
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h = $('#imgedit-scale-height-' + postid),
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fw = t.intval(w.val()),
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fh = t.intval(h.val());
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if ( fw < 1 ) {
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w.focus();
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return false;;
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} else if ( fh < 1 ) {
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h.focus();
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return false;;
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}
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if ( fw == t.hold.ow || fh == t.hold.oh )
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return false;
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data['do'] = 'scale';
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data['fwidth'] = fw;
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data['fheight'] = fh;
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} else if ( 'restore' == action ) {
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data['do'] = 'restore';
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} else {
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return false;
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}
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t.toggleEditor(postid, 1);
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$.post(ajaxurl, data, function(r) {
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$('#image-editor-' + postid).empty().append(r);
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t.toggleEditor(postid, 0);
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});
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},
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save : function(postid, nonce) {
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var data, target = this.getTarget(postid), history = this.filterHistory(postid, 0);
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if ( '' == history )
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return false;
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this.toggleEditor(postid, 1);
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data = {
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'action': 'image-editor',
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'_ajax_nonce': nonce,
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'postid': postid,
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'history': history,
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'target': target,
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'do': 'save'
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};
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$.post(ajaxurl, data, function(r) {
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var ret = JSON.parse(r);
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if ( ret.error ) {
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$('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p><div>');
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imageEdit.close(postid);
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return;
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}
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if ( ret.fw && ret.fh )
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$('#media-dims-' + postid).html( ret.fw + ' × ' + ret.fh );
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if ( ret.thumbnail )
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$('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail);
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if ( ret.msg )
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$('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>');
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imageEdit.close(postid);
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});
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},
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open : function(postid, nonce) {
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var data, elem = $('#image-editor-' + postid), head = $('#media-head-' + postid),
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btn = $('#imgedit-open-btn-' + postid), spin = btn.siblings('img');
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btn.attr('disabled', 'disabled');
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spin.css('visibility', 'visible');
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data = {
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'action': 'image-editor',
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'_ajax_nonce': nonce,
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'postid': postid,
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'do': 'open'
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};
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elem.load(ajaxurl, data, function() {
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elem.fadeIn('fast');
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head.fadeOut('fast', function(){
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btn.removeAttr('disabled');
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spin.css('visibility', 'hidden');
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});
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});
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},
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imgLoaded : function(postid) {
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var img = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid);
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this.initCrop(postid, img, parent);
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this.setCropSelection(postid, 0);
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this.toggleEditor(postid, 0);
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},
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initCrop : function(postid, image, parent) {
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var t = this, selW = $('#imgedit-sel-width-' + postid),
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selH = $('#imgedit-sel-height-' + postid);
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t.iasapi = $(image).imgAreaSelect({
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parent: parent,
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instance: true,
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handles: true,
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keys: true,
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minWidth: 3,
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minHeight: 3,
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onInit: function(img, c) {
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parent.children().mousedown(function(e){
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var ratio = false, sel, defRatio;
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if ( e.shiftKey ) {
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sel = t.iasapi.getSelection();
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defRatio = t.getSelRatio(postid);
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ratio = ( sel && sel.width && sel.height ) ? sel.width + ':' + sel.height : defRatio;
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}
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t.iasapi.setOptions({
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aspectRatio: ratio
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});
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});
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},
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onSelectStart: function(img, c) {
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imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1);
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},
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onSelectEnd: function(img, c) {
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imageEdit.setCropSelection(postid, c);
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},
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onSelectChange: function(img, c) {
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var sizer = imageEdit.hold.sizer;
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selW.val( imageEdit.round(c.width / sizer) );
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selH.val( imageEdit.round(c.height / sizer) );
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}
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});
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},
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setCropSelection : function(postid, c) {
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var sel, min = $('#imgedit-minthumb-' + postid).val() || '128:128',
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sizer = this.hold['sizer'];
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min = min.split(':');
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c = c || 0;
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if ( !c || ( c.width < 3 && c.height < 3 ) ) {
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this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0);
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this.setDisabled($('#imgedit-crop-sel-' + postid), 0);
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$('#imgedit-sel-width-' + postid).val('');
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$('#imgedit-sel-height-' + postid).val('');
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$('#imgedit-selection-' + postid).val('');
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return false;
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}
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if ( c.width < (min[0] * sizer) && c.height < (min[1] * sizer) ) {
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this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0);
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$('#imgedit-selection-' + postid).val('');
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return false;
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}
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sel = { 'x': c.x1, 'y': c.y1, 'w': c.width, 'h': c.height };
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this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1);
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$('#imgedit-selection-' + postid).val( JSON.stringify(sel) );
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},
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close : function(postid, warn) {
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warn = warn || false;
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if ( warn && this.notsaved(postid) )
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return false;
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this.iasapi = {};
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this.hold = {};
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$('#image-editor-' + postid).fadeOut('fast', function() {
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$('#media-head-' + postid).fadeIn('fast');
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$(this).empty();
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});
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},
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notsaved : function(postid) {
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var h = $('#imgedit-history-' + postid).val(),
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history = (h != '') ? JSON.parse(h) : new Array(),
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pop = this.intval( $('#imgedit-undone-' + postid).val() );
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if ( pop < history.length ) {
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if ( confirm( $('#imgedit-leaving-' + postid).html() ) )
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return false;
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return true;
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}
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return false;
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},
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addStep : function(op, postid, nonce) {
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var t = this, elem = $('#imgedit-history-' + postid),
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history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array(),
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undone = $('#imgedit-undone-' + postid),
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pop = t.intval(undone.val());
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while ( pop > 0 ) {
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history.pop();
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pop--;
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}
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undone.val(0); // reset
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history.push(op);
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elem.val( JSON.stringify(history) );
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t.refreshEditor(postid, nonce, function() {
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t.setDisabled($('#image-undo-' + postid), true);
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t.setDisabled($('#image-redo-' + postid), false);
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});
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},
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rotate : function(angle, postid, nonce, t) {
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if ( $(t).hasClass('disabled') )
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return false;
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this.addStep({ 'r': { 'r': angle, 'fw': this.hold['h'], 'fh': this.hold['w'] }}, postid, nonce);
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},
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flip : function (axis, postid, nonce, t) {
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if ( $(t).hasClass('disabled') )
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return false;
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this.addStep({ 'f': { 'f': axis, 'fw': this.hold['w'], 'fh': this.hold['h'] }}, postid, nonce);
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},
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crop : function (postid, nonce, t) {
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var sel = $('#imgedit-selection-' + postid).val(),
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w = this.intval( $('#imgedit-sel-width-' + postid).val() ),
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h = this.intval( $('#imgedit-sel-height-' + postid).val() );
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if ( $(t).hasClass('disabled') || sel == '' )
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return false;
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sel = JSON.parse(sel);
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if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) {
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sel['fw'] = w;
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sel['fh'] = h;
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this.addStep({ 'c': sel }, postid, nonce);
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}
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},
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undo : function (postid, nonce) {
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var t = this, button = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid),
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pop = t.intval( elem.val() ) + 1;
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if ( button.hasClass('disabled') )
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return;
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elem.val(pop);
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t.refreshEditor(postid, nonce, function() {
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var elem = $('#imgedit-history-' + postid),
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history = (elem.val() != '') ? JSON.parse(elem.val()) : new Array();
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t.setDisabled($('#image-redo-' + postid), true);
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t.setDisabled(button, pop < history.length);
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});
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},
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redo : function(postid, nonce) {
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var t = this, button = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid),
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pop = t.intval( elem.val() ) - 1;
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if ( button.hasClass('disabled') )
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return;
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elem.val(pop);
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t.refreshEditor(postid, nonce, function() {
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t.setDisabled($('#image-undo-' + postid), true);
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t.setDisabled(button, pop > 0);
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});
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},
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setNumSelection : function(postid) {
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var sel, elX = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid),
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x = this.intval( elX.val() ), y = this.intval( elY.val() ),
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img = $('#image-preview-' + postid), imgh = img.height(), imgw = img.width(),
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sizer = this.hold['sizer'], x1, y1, x2, y2, ias = this.iasapi;
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if ( x < 1 ) {
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elX.val('');
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return false;
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}
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if ( y < 1 ) {
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elY.val('');
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return false;
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}
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if ( x && y && ( sel = ias.getSelection() ) ) {
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x2 = sel.x1 + Math.round( x * sizer );
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y2 = sel.y1 + Math.round( y * sizer );
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x1 = sel.x1;
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y1 = sel.y1;
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if ( x2 > imgw ) {
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x1 = 0;
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x2 = imgw;
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elX.val( Math.round( x2 / sizer ) );
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}
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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);
|