+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 2.7.0
+*/
+/**
+ * @description <p>Creates a Image Cropper control.</p>
+ * @namespace YAHOO.widget
+ * @requires yahoo, dom, dragdrop, element, event, resize
+ * @module imagecropper
+ * @beta
+ */
+(function() {
+var Dom = YAHOO.util.Dom,
+ Event = YAHOO.util.Event,
+ Lang = YAHOO.lang;
+
+ /**
+ * @constructor
+ * @class ImageCropper
+ * @description <p>Creates a Image Cropper control.</p>
+ * @extends YAHOO.util.Element
+ * @param {String/HTMLElement} el The image element to make croppable.
+ * @param {Object} attrs Object liternal containing configuration parameters.
+ */
+ var Crop = function(el, config) {
+ YAHOO.log('Initializing', 'log', 'ImageCropper');
+ var oConfig = {
+ element: el,
+ attributes: config || {}
+ };
+
+ Crop.superclass.constructor.call(this, oConfig.element, oConfig.attributes);
+ };
+
+ /**
+ * @private
+ * @static
+ * @property _instances
+ * @description Internal hash table for all ImageCropper instances
+ * @type Object
+ */
+ Crop._instances = {};
+ /**
+ * @static
+ * @method getCropperById
+ * @description Get's an ImageCropper object by the HTML id of the image associated with the ImageCropper object.
+ * @return {Object} The ImageCropper Object
+ */
+ Crop.getCropperById = function(id) {
+ if (Crop._instances[id]) {
+ return Crop._instances[id];
+ }
+ return false;
+ };
+
+ YAHOO.extend(Crop, YAHOO.util.Element, {
+ /**
+ * @private
+ * @property CSS_MAIN
+ * @description The CSS class used to wrap the element
+ * @type String
+ */
+ CSS_MAIN: 'yui-crop',
+ /**
+ * @private
+ * @property CSS_MASK
+ * @description The CSS class for the mask element
+ * @type String
+ */
+ CSS_MASK: 'yui-crop-mask',
+ /**
+ * @private
+ * @property CSS_RESIZE_MASK
+ * @description The CSS class for the mask inside the resize element
+ * @type String
+ */
+ CSS_RESIZE_MASK: 'yui-crop-resize-mask',
+
+ /**
+ * @private
+ * @property _image
+ * @description The url of the image we are cropping
+ * @type String
+ */
+ _image: null,
+ /**
+ * @private
+ * @property _active
+ * @description Flag to determine if the crop region is active
+ * @type Boolean
+ */
+ _active: null,
+ /**
+ * @private
+ * @property _resize
+ * @description A reference to the Resize Utility used in this Cropper Instance
+ * @type Object
+ */
+ _resize: null,
+ /**
+ * @private
+ * @property _resizeEl
+ * @description The HTML Element used to create the Resize Oject
+ * @type HTMLElement
+ */
+ _resizeEl: null,
+ /**
+ * @private
+ * @property _resizeMaskEl
+ * @description The HTML Element used to create the Resize mask
+ * @type HTMLElement
+ */
+ _resizeMaskEl: null,
+ /**
+ * @private
+ * @property _wrap
+ * @description The HTML Element created to wrap the image
+ * @type HTMLElement
+ */
+ _wrap: null,
+ /**
+ * @private
+ * @property _mask
+ * @description The HTML Element created to "mask" the image being cropped
+ * @type HTMLElement
+ */
+ _mask: null,
+ /**
+ * @private
+ * @method _createWrap
+ * @description Creates the wrapper element used to wrap the image
+ */
+ _createWrap: function() {
+ YAHOO.log('Creating the wrap element', 'log', 'ImageCropper');
+ this._wrap = document.createElement('div');
+ this._wrap.id = this.get('element').id + '_wrap';
+ this._wrap.className = this.CSS_MAIN;
+ var el = this.get('element');
+ this._wrap.style.width = el.width ? el.width + 'px' : Dom.getStyle(el, 'width');
+ this._wrap.style.height = el.height ? el.height + 'px' : Dom.getStyle(el, 'height');
+
+ var par = this.get('element').parentNode;
+ par.replaceChild(this._wrap, this.get('element'));
+ this._wrap.appendChild(this.get('element'));
+
+ Event.on(this._wrap, 'mouseover', this._handleMouseOver, this, true);
+ Event.on(this._wrap, 'mouseout', this._handleMouseOut, this, true);
+
+ Event.on(this._wrap, 'click', function(ev) { Event.stopEvent(ev); }, this, true);
+ },
+
+ /**
+ * @private
+ * @method _createMask
+ * @description Creates the mask element used to mask the image
+ */
+ _createMask: function() {
+ YAHOO.log('Creating the Mask', 'log', 'ImageCropper');
+ this._mask = document.createElement('div');
+ this._mask.className = this.CSS_MASK;
+ this._wrap.appendChild(this._mask);
+ },
+
+ /**
+ * @private
+ * @method _createResize
+ * @description Creates the resize element and the instance of the Resize Utility
+ */
+ _createResize: function() {
+ YAHOO.log('Creating the Resize element', 'log', 'ImageCropper');
+ this._resizeEl = document.createElement('div');
+ this._resizeEl.className = YAHOO.util.Resize.prototype.CSS_RESIZE;
+ this._resizeEl.style.position = 'absolute';
+
+ this._resizeEl.innerHTML = '<div class="' + this.CSS_RESIZE_MASK + '"></div>';
+ this._resizeMaskEl = this._resizeEl.firstChild;
+ this._wrap.appendChild(this._resizeEl);
+ this._resizeEl.style.top = this.get('initialXY')[1] + 'px';
+ this._resizeEl.style.left = this.get('initialXY')[0] + 'px';
+ this._resizeMaskEl.style.height = Math.floor(this.get('initHeight')) + 'px';
+ this._resizeMaskEl.style.width = Math.floor(this.get('initWidth')) + 'px';
+
+ this._resize = new YAHOO.util.Resize(this._resizeEl, {
+ knobHandles: true,
+ handles: 'all',
+ draggable: true,
+ status: this.get('status'),
+ minWidth: this.get('minWidth'),
+ minHeight: this.get('minHeight'),
+ ratio: this.get('ratio'),
+ autoRatio: this.get('autoRatio'),
+ height: this.get('initHeight'),
+ width: this.get('initWidth')
+ });
+
+ this._setBackgroundImage(this.get('element').getAttribute('src', 2));
+ this._setBackgroundPosition(-(this.get('initialXY')[0]), -(this.get('initialXY')[1]));
+
+ this._resize.on('startResize', this._handleStartResizeEvent, this, true);
+ this._resize.on('endResize', this._handleEndResizeEvent, this, true);
+ this._resize.on('dragEvent', this._handleDragEvent, this, true);
+ this._resize.on('beforeResize', this._handleBeforeResizeEvent, this, true);
+ this._resize.on('resize', this._handleResizeEvent, this, true);
+ this._resize.dd.on('b4StartDragEvent', this._handleB4DragEvent, this, true);
+ },
+
+ /**
+ * @private
+ * @method _handleMouseOver
+ * @description Handles the mouseover event
+ */
+ _handleMouseOver: function(ev) {
+ var evType = 'keydown';
+ if (YAHOO.env.ua.gecko || YAHOO.env.ua.opera) {
+ evType = 'keypress';
+ }
+ if (!this._active) {
+ this._active = true;
+ if (this.get('useKeys')) {
+ Event.on(document, evType, this._handleKeyPress, this, true);
+ }
+ }
+ },
+ /**
+ * @private
+ * @method _handleMouseOut
+ * @description Handles the mouseout event
+ */
+ _handleMouseOut: function(ev) {
+ var evType = 'keydown';
+ if (YAHOO.env.ua.gecko || YAHOO.env.ua.opera) {
+ evType = 'keypress';
+ }
+ this._active = false;
+ if (this.get('useKeys')) {
+ Event.removeListener(document, evType, this._handleKeyPress);
+ }
+ },
+
+ /**
+ * @private
+ * @method _moveEl
+ * @description Moves the resize element based on the arrow keys
+ */
+ _moveEl: function(dir, inc) {
+ YAHOO.log('Moving the element', 'log', 'ImageCropper');
+ var t = 0, l = 0,
+ region = this._setConstraints(),
+ resize = true;
+
+ switch (dir) {
+ case 'down':
+ t = -(inc);
+ if ((region.bottom - inc) < 0) {
+ resize = false;
+ this._resizeEl.style.top = (region.top + region.bottom) + 'px';
+ }
+ break;
+ case 'up':
+ t = (inc);
+ if ((region.top - inc) < 0) {
+ resize = false;
+ this._resizeEl.style.top = '0px';
+ }
+ break;
+ case 'right':
+ l = -(inc);
+ if ((region.right - inc) < 0) {
+ resize = false;
+ this._resizeEl.style.left = (region.left + region.right) + 'px';
+ }
+ break;
+ case 'left':
+ l = inc;
+ if ((region.left - inc) < 0) {
+ resize = false;
+ this._resizeEl.style.left = '0px';
+ }
+ break;
+ }
+
+ if (resize) {
+ YAHOO.log('Moving via Key Listener: ' + dir, 'log', 'ImageCropper');
+ this._resizeEl.style.left = (parseInt(this._resizeEl.style.left, 10) - l) + 'px';
+ this._resizeEl.style.top = (parseInt(this._resizeEl.style.top, 10) - t) + 'px';
+ this.fireEvent('moveEvent', { target: 'keypress' });
+ } else {
+ this._setConstraints();
+ }
+ this._syncBackgroundPosition();
+ },
+
+ /**
+ * @private
+ * @method _handleKeyPress
+ * @description Handles the keypress event
+ */
+ _handleKeyPress: function(ev) {
+ var kc = Event.getCharCode(ev),
+ stopEvent = false,
+ inc = ((ev.shiftKey) ? this.get('shiftKeyTick') : this.get('keyTick'));
+
+ switch (kc) {
+ case 0x25: // left
+ this._moveEl('left', inc);
+ stopEvent = true;
+ break;
+ case 0x26: // up
+ this._moveEl('up', inc);
+ stopEvent = true;
+ break;
+ case 0x27: // right
+ this._moveEl('right', inc);
+ stopEvent = true;
+ break;
+ case 0x28: // down
+ this._moveEl('down', inc);
+ stopEvent = true;
+ break;
+ default:
+ }
+ if (stopEvent) {
+ Event.preventDefault(ev);
+ }
+ },
+
+ /**
+ * @private
+ * @method _handleB4DragEvent
+ * @description Handles the DragDrop b4DragEvent event
+ */
+ _handleB4DragEvent: function() {
+ this._setConstraints();
+ },
+
+ /**
+ * @private
+ * @method _handleDragEvent
+ * @description Handles the DragDrop DragEvent event
+ */
+ _handleDragEvent: function() {
+ this._syncBackgroundPosition();
+ this.fireEvent('dragEvent', arguments);
+ this.fireEvent('moveEvent', { target: 'dragevent' });
+ },
+
+ /**
+ * @private
+ * @method _handleBeforeResizeEvent
+ * @description Handles the Resize Utilitys beforeResize event
+ */
+ _handleBeforeResizeEvent: function(args) {
+ var region = Dom.getRegion(this.get('element')),
+ c = this._resize._cache,
+ ch = this._resize._currentHandle, h = 0, w = 0;
+
+ if (args.top && (args.top < region.top)) {
+ h = (c.height + c.top) - region.top;
+ Dom.setY(this._resize.getWrapEl(), region.top);
+ this._resize.getWrapEl().style.height = h + 'px';
+ this._resize._cache.height = h;
+ this._resize._cache.top = region.top;
+ this._syncBackgroundPosition();
+ return false;
+ }
+ if (args.left && (args.left < region.left)) {
+ w = (c.width + c.left) - region.left;
+ Dom.setX(this._resize.getWrapEl(), region.left);
+ this._resize._cache.left = region.left;
+ this._resize.getWrapEl().style.width = w + 'px';
+ this._resize._cache.width = w;
+ this._syncBackgroundPosition();
+ return false;
+ }
+ if (ch != 'tl' && ch != 'l' && ch != 'bl') {
+ if (c.left && args.width && ((c.left + args.width) > region.right)) {
+ w = (region.right - c.left);
+ Dom.setX(this._resize.getWrapEl(), (region.right - w));
+ this._resize.getWrapEl().style.width = w + 'px';
+ this._resize._cache.left = (region.right - w);
+ this._resize._cache.width = w;
+ this._syncBackgroundPosition();
+ return false;
+ }
+ }
+ if (ch != 't' && ch != 'tr' && ch != 'tl') {
+ if (c.top && args.height && ((c.top + args.height) > region.bottom)) {
+ h = (region.bottom - c.top);
+ Dom.setY(this._resize.getWrapEl(), (region.bottom - h));
+ this._resize.getWrapEl().style.height = h + 'px';
+ this._resize._cache.height = h;
+ this._resize._cache.top = (region.bottom - h);
+ this._syncBackgroundPosition();
+ return false;
+ }
+ }
+ },
+ /**
+ * @private
+ * @method _handleResizeMaskEl
+ * @description Resizes the inner mask element
+ */
+ _handleResizeMaskEl: function() {
+ var a = this._resize._cache;
+ this._resizeMaskEl.style.height = Math.floor(a.height) + 'px';
+ this._resizeMaskEl.style.width = Math.floor(a.width) + 'px';
+ },
+ /**
+ * @private
+ * @method _handleResizeEvent
+ * @param Event ev The Resize Utilitys resize event.
+ * @description Handles the Resize Utilitys Resize event
+ */
+ _handleResizeEvent: function(ev) {
+ this._setConstraints(true);
+ this._syncBackgroundPosition();
+ this.fireEvent('resizeEvent', arguments);
+ this.fireEvent('moveEvent', { target: 'resizeevent' });
+ },
+
+ /**
+ * @private
+ * @method _syncBackgroundPosition
+ * @description Syncs the packground position of the resize element with the resize elements top and left style position
+ */
+ _syncBackgroundPosition: function() {
+ this._handleResizeMaskEl();
+ this._setBackgroundPosition(-(parseInt(this._resizeEl.style.left, 10)), -(parseInt(this._resizeEl.style.top, 10)));
+ },
+
+ /**
+ * @private
+ * @method _setBackgroundPosition
+ * @param Number l The left position
+ * @param Number t The top position
+ * @description Sets the background image position to the top and left position
+ */
+ _setBackgroundPosition: function(l, t) {
+ //YAHOO.log('Setting the image background position of the mask to: (' + l + ', ' + t + ')', 'log', 'ImageCropper');
+ var bl = parseInt(Dom.getStyle(this._resize.get('element'), 'borderLeftWidth'), 10);
+ var bt = parseInt(Dom.getStyle(this._resize.get('element'), 'borderTopWidth'), 10);
+ if (isNaN(bl)) {
+ bl = 0;
+ }
+ if (isNaN(bt)) {
+ bt = 0;
+ }
+ var mask = this._resize.getWrapEl().firstChild;
+ var pos = (l - bl) + 'px ' + (t - bt) + 'px';
+ this._resizeMaskEl.style.backgroundPosition = pos;
+ },
+
+ /**
+ * @private
+ * @method _setBackgroundImage
+ * @param String url The url of the image
+ * @description Sets the background image of the resize element
+ */
+ _setBackgroundImage: function(url) {
+ YAHOO.log('Setting the background image', 'log', 'ImageCropper');
+ var mask = this._resize.getWrapEl().firstChild;
+ this._image = url;
+ mask.style.backgroundImage = 'url(' + url + '#)';
+ },
+
+ /**
+ * @private
+ * @method _handleEndResizeEvent
+ * @description Handles the Resize Utilitys endResize event
+ */
+ _handleEndResizeEvent: function() {
+ this._setConstraints(true);
+ },
+ /**
+ * @private
+ * @method _handleStartResizeEvent
+ * @description Handles the Resize Utilitys startResize event
+ */
+ _handleStartResizeEvent: function() {
+ this._setConstraints(true);
+
+ var h = this._resize._cache.height,
+ w = this._resize._cache.width,
+ t = parseInt(this._resize.getWrapEl().style.top, 10),
+ l = parseInt(this._resize.getWrapEl().style.left, 10),
+ maxH = 0, maxW = 0;
+
+ switch (this._resize._currentHandle) {
+ case 'b':
+ maxH = (h + this._resize.dd.bottomConstraint);
+ break;
+ case 'l':
+ maxW = (w + this._resize.dd.leftConstraint);
+ break;
+ case 'r':
+ maxH = (h + t);
+ maxW = (w + this._resize.dd.rightConstraint);
+ break;
+ case 'br':
+ maxH = (h + this._resize.dd.bottomConstraint);
+ maxW = (w + this._resize.dd.rightConstraint);
+ break;
+ case 'tr':
+ maxH = (h + t);
+ maxW = (w + this._resize.dd.rightConstraint);
+ break;
+
+ }
+
+ if (maxH) {
+ YAHOO.log('Setting the maxHeight on the resize object to: ' + maxH, 'log', 'ImageCropper');
+ //this._resize.set('maxHeight', maxH);
+ }
+ if (maxW) {
+ YAHOO.log('Setting the maxWidth on the resize object to: ' + maxW, 'log', 'ImageCropper');
+ //this._resize.set('maxWidth', maxW);
+ }
+
+ this.fireEvent('startResizeEvent', arguments);
+ },
+
+ /**
+ * @private
+ * @method _setConstraints
+ * @param Boolean inside Used when called from inside a resize event, false by default (dragging)
+ * @description Set the DragDrop constraints to keep the element inside the crop area.
+ * @return {Object} Object containing Top, Right, Bottom and Left constraints
+ */
+ _setConstraints: function(inside) {
+ YAHOO.log('Setting Contraints', 'log', 'ImageCropper');
+ var resize = this._resize;
+ resize.dd.resetConstraints();
+ var height = parseInt(resize.get('height'), 10),
+ width = parseInt(resize.get('width'), 10);
+ if (inside) {
+ //Called from inside the resize callback
+ height = resize._cache.height;
+ width = resize._cache.width;
+ }
+
+ //Get the top, right, bottom and left positions
+ var region = Dom.getRegion(this.get('element'));
+ //Get the element we are working on
+ var el = resize.getWrapEl();
+
+ //Get the xy position of it
+ var xy = Dom.getXY(el);
+
+ //Set left to x minus left
+ var left = xy[0] - region.left;
+
+ //Set right to right minus x minus width
+ var right = region.right - xy[0] - width;
+
+ //Set top to y minus top
+ var top = xy[1] - region.top;
+
+ //Set bottom to bottom minus y minus height
+ var bottom = region.bottom - xy[1] - height;
+
+ if (top < 0) {
+ top = 0;
+ }
+
+ resize.dd.setXConstraint(left, right);
+ resize.dd.setYConstraint(top, bottom);
+ YAHOO.log('Constraints: ' + top + ',' + right + ',' + bottom + ',' + left, 'log', 'ImageCropper');
+
+ return {
+ top: top,
+ right: right,
+ bottom: bottom,
+ left: left
+ };
+
+
+
+ },
+ /**
+ * @method getCropCoords
+ * @description Returns the coordinates needed to crop the image
+ * @return {Object} The top, left, height, width and image url of the image being cropped
+ */
+ getCropCoords: function() {
+ var coords = {
+ top: parseInt(this._resize.getWrapEl().style.top, 10),
+ left: parseInt(this._resize.getWrapEl().style.left, 10),
+ height: this._resize._cache.height,
+ width: this._resize._cache.width,
+ image: this._image
+ };
+ YAHOO.log('Getting the crop coordinates: ' + Lang.dump(coords), 'log', 'ImageCropper');
+ return coords;
+ },
+ /**
+ * @method reset
+ * @description Resets the crop element back to it's original position
+ * @return {<a href="YAHOO.widget.ImageCropper.html">YAHOO.widget.ImageCropper</a>} The ImageCropper instance
+ */
+ reset: function() {
+ YAHOO.log('Resetting the control', 'log', 'ImageCropper');
+ this._resize.resize(null, this.get('initHeight'), this.get('initWidth'), 0, 0, true);
+ this._resizeEl.style.top = this.get('initialXY')[1] + 'px';
+ this._resizeEl.style.left = this.get('initialXY')[0] + 'px';
+ this._syncBackgroundPosition();
+ return this;
+ },
+
+ /**
+ * @method getEl
+ * @description Get the HTML reference for the image element.
+ * @return {HTMLElement} The image element
+ */
+ getEl: function() {
+ return this.get('element');
+ },
+ /**
+ * @method getResizeEl
+ * @description Get the HTML reference for the resize element.
+ * @return {HTMLElement} The resize element
+ */
+ getResizeEl: function() {
+ return this._resizeEl;
+ },
+ /**
+ * @method getWrapEl
+ * @description Get the HTML reference for the wrap element.
+ * @return {HTMLElement} The wrap element
+ */
+ getWrapEl: function() {
+ return this._wrap;
+ },
+
+ /**
+ * @method getMaskEl
+ * @description Get the HTML reference for the mask element.
+ * @return {HTMLElement} The mask element
+ */
+ getMaskEl: function() {
+ return this._mask;
+ },
+
+ /**
+ * @method getResizeMaskEl
+ * @description Get the HTML reference for the resizable object's mask element.
+ * @return {HTMLElement} The resize objects mask element.
+ */
+ getResizeMaskEl: function() {
+ return this._resizeMaskEl;
+ },
+
+ /**
+ * @method getResizeObject
+ * @description Get the Resize Utility object.
+ * @return {<a href="YAHOO.util.Resize.html">YAHOO.util.Resize</a>} The Resize instance
+ */
+ getResizeObject: function() {
+ return this._resize;
+ },
+
+ /**
+ * @private
+ * @method init
+ * @description The ImageCropper class's initialization method
+ */
+ init: function(p_oElement, p_oAttributes) {
+ YAHOO.log('init', 'info', 'ImageCropper');
+ Crop.superclass.init.call(this, p_oElement, p_oAttributes);
+
+ var id = p_oElement;
+
+ if (!Lang.isString(id)) {
+ if (id.tagName && (id.tagName.toLowerCase() == 'img')) {
+ id = Dom.generateId(id);
+ } else {
+ YAHOO.log('Element is not an image.', 'error', 'ImageCropper');
+ return false;
+ }
+ } else {
+ var el = Dom.get(id);
+ if (el.tagName && el.tagName.toLowerCase() == 'img') {
+ //All good
+ } else {
+ YAHOO.log('Element is not an image.', 'error', 'ImageCropper');
+ return false;
+ }
+ }
+
+
+
+ Crop._instances[id] = this;
+ this._createWrap();
+ this._createMask();
+ this._createResize();
+ this._setConstraints();
+
+ },
+ /**
+ * @private
+ * @method initAttributes
+ * @description Initializes all of the configuration attributes used to create a croppable element.
+ * @param {Object} attr Object literal specifying a set of
+ * configuration attributes used to create the widget.
+ */
+
+ initAttributes: function(attr) {
+ Crop.superclass.initAttributes.call(this, attr);
+
+ /**
+ * @attribute initialXY
+ * @description Array of the XY position that we need to set the crop element to when we build it. Defaults to [10, 10]
+ * @type Array
+ */
+ this.setAttributeConfig('initialXY', {
+ writeOnce: true,
+ validator: YAHOO.lang.isArray,
+ value: attr.initialXY || [10, 10]
+ });
+ /**
+ * @attribute keyTick
+ * @description The pixel tick for the arrow keys, defaults to 1
+ * @type Number
+ */
+ this.setAttributeConfig('keyTick', {
+ validator: YAHOO.lang.isNumber,
+ value: attr.keyTick || 1
+ });
+
+ /**
+ * @attribute shiftKeyTick
+ * @description The pixel tick for shift + the arrow keys, defaults to 10
+ * @type Number
+ */
+ this.setAttributeConfig('shiftKeyTick', {
+ validator: YAHOO.lang.isNumber,
+ value: attr.shiftKeyTick || 10
+ });
+
+ /**
+ * @attribute useKeys
+ * @description Should we use the Arrow keys to position the crop element, defaults to true
+ * @type Boolean
+ */
+ this.setAttributeConfig('useKeys', {
+ validator: YAHOO.lang.isBoolean,
+ value: ((attr.useKeys === false) ? false : true)
+ });
+
+ /**
+ * @attribute status
+ * @description Show the Resize Utility status, defaults to true
+ * @type Boolean
+ */
+ this.setAttributeConfig('status', {
+ validator: YAHOO.lang.isBoolean,
+ value: ((attr.status === false) ? false : true),
+ method: function(status) {
+ if (this._resize) {
+ this._resize.set('status', status);
+ }
+ }
+ });
+
+ /**
+ * @attribute minHeight
+ * @description MinHeight of the crop area, default 50
+ * @type Number
+ */
+ this.setAttributeConfig('minHeight', {
+ validator: YAHOO.lang.isNumber,
+ value: attr.minHeight || 50,
+ method: function(h) {
+ if (this._resize) {
+ this._resize.set('minHeight', h);
+ }
+ }
+ });
+
+ /**
+ * @attribute minWidth
+ * @description MinWidth of the crop area, default 50.
+ * @type Number
+ */
+ this.setAttributeConfig('minWidth', {
+ validator: YAHOO.lang.isNumber,
+ value: attr.minWidth || 50,
+ method: function(w) {
+ if (this._resize) {
+ this._resize.set('minWidth', w);
+ }
+ }
+ });
+
+ /**
+ * @attribute ratio
+ * @description Set the ratio config option of the Resize Utlility, default false
+ * @type Boolean
+ */
+ this.setAttributeConfig('ratio', {
+ validator: YAHOO.lang.isBoolean,
+ value: attr.ratio || false,
+ method: function(r) {
+ if (this._resize) {
+ this._resize.set('ratio', r);
+ }
+ }
+ });
+
+ /**
+ * @attribute ratio
+ * @description Set the autoRatio config option of the Resize Utlility, default true
+ * @type Boolean
+ */
+ this.setAttributeConfig('autoRatio', {
+ validator: YAHOO.lang.isBoolean,
+ value: ((attr.autoRatio === false) ? false : true),
+ method: function(a) {
+ if (this._resize) {
+ this._resize.set('autoRatio', a);
+ }
+ }
+ });
+
+ /**
+ * @attribute initHeight
+ * @description Set the initlal height of the crop area, defaults to 1/4 of the image height
+ * @type Number
+ */
+ this.setAttributeConfig('initHeight', {
+ writeOnce: true,
+ validator: YAHOO.lang.isNumber,
+ value: attr.initHeight || (this.get('element').height / 4)
+ });
+
+ /**
+ * @attribute initWidth
+ * @description Set the initlal width of the crop area, defaults to 1/4 of the image width
+ * @type Number
+ */
+ this.setAttributeConfig('initWidth', {
+ validator: YAHOO.lang.isNumber,
+ writeOnce: true,
+ value: attr.initWidth || (this.get('element').width / 4)
+ });
+
+ },
+ /**
+ * @method destroy
+ * @description Destroys the ImageCropper object and all of it's elements & listeners.
+ */
+ destroy: function() {
+ YAHOO.log('Destroying the ImageCropper', 'info', 'ImageCropper');
+ this._resize.destroy();
+ this._resizeEl.parentNode.removeChild(this._resizeEl);
+ this._mask.parentNode.removeChild(this._mask);
+ Event.purgeElement(this._wrap);
+ this._wrap.parentNode.replaceChild(this.get('element'), this._wrap);
+
+ //Brutal Object Destroy
+ for (var i in this) {
+ if (Lang.hasOwnProperty(this, i)) {
+ this[i] = null;
+ }
+ }
+
+ },
+ /**
+ * @method toString
+ * @description Returns a string representing the ImageCropper Object.
+ * @return {String}
+ */
+ toString: function() {
+ if (this.get) {
+ return 'ImageCropper (#' + this.get('id') + ')';
+ }
+ return 'Image Cropper';
+ }
+ });
+
+ YAHOO.widget.ImageCropper = Crop;
+
+/**
+* @event dragEvent
+* @description Fires when the DragDrop dragEvent
+* @type YAHOO.util.CustomEvent
+*/
+/**
+* @event startResizeEvent
+* @description Fires when when a resize action is started.
+* @type YAHOO.util.CustomEvent
+*/
+/**
+* @event resizeEvent
+* @description Fires on every element resize.
+* @type YAHOO.util.CustomEvent
+*/
+/**
+* @event moveEvent
+* @description Fires on every element move. Inside these methods: _handleKeyPress, _handleDragEvent, _handleResizeEvent
+* @type YAHOO.util.CustomEvent
+*/
+
+})();
+
+YAHOO.register("imagecropper", YAHOO.widget.ImageCropper, {version: "2.7.0", build: "1799"});
ToastFreeware / philipp / winterrodeln / wradmin.git / blobdiff