Mercurial > kallithea
view pylons_app/public/js/yui/imagecropper/imagecropper.js @ 172:83c7ee1b5f5c
improved timerproxy with sqllogging, and new way of sqlformat queries
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Fri, 21 May 2010 03:01:31 +0200 |
parents | 564e40829f80 |
children |
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/* Copyright (c) 2009, Yahoo! Inc. All rights reserved. Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt version: 2.8.0r4 */ /** * @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) { 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() { 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() { 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() { 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) { 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) { 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) { 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) { 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) { //this._resize.set('maxHeight', maxH); } if (maxW) { //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) { 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); 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 }; 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() { 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) { 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 { return false; } } else { var el = Dom.get(id); if (el.tagName && el.tagName.toLowerCase() == 'img') { //All good } else { 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() { 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: "2.8.0r4", build: "2449"});